nextcloud / server

core/Migrations/Version17000Date20190514105811.php

Indentation +36 added lines, -36 removed lines

@@ -37,42 +37,42 @@
 
 class Version17000Date20190514105811 extends SimpleMigrationStep {
 
-	/**
-	 * @param IOutput $output
-	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
-	 * @param array $options
-	 * @return ISchemaWrapper
-	 */
-	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
-		/** @var ISchemaWrapper $schema */
-		$schema = $schemaClosure();
-		if (!$schema->hasTable('filecache_extended')) {
-			$table = $schema->createTable('filecache_extended');
-			$table->addColumn('fileid', Types::BIGINT, [
-				'notnull' => true,
-				'length' => 4,
-				'unsigned' => true,
-			]);
-			$table->addColumn('metadata_etag', Types::STRING, [
-				'notnull' => false,
-				'length' => 40,
-			]);
-			$table->addColumn('creation_time', Types::BIGINT, [
-				'notnull' => true,
-				'length' => 20,
-				'default' => 0,
-			]);
-			$table->addColumn('upload_time', Types::BIGINT, [
-				'notnull' => true,
-				'length' => 20,
-				'default' => 0,
-			]);
-			$table->setPrimaryKey(['fileid'], 'fce_pk');
+    /**
+     * @param IOutput $output
+     * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+     * @param array $options
+     * @return ISchemaWrapper
+     */
+    public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
+        /** @var ISchemaWrapper $schema */
+        $schema = $schemaClosure();
+        if (!$schema->hasTable('filecache_extended')) {
+            $table = $schema->createTable('filecache_extended');
+            $table->addColumn('fileid', Types::BIGINT, [
+                'notnull' => true,
+                'length' => 4,
+                'unsigned' => true,
+            ]);
+            $table->addColumn('metadata_etag', Types::STRING, [
+                'notnull' => false,
+                'length' => 40,
+            ]);
+            $table->addColumn('creation_time', Types::BIGINT, [
+                'notnull' => true,
+                'length' => 20,
+                'default' => 0,
+            ]);
+            $table->addColumn('upload_time', Types::BIGINT, [
+                'notnull' => true,
+                'length' => 20,
+                'default' => 0,
+            ]);
+            $table->setPrimaryKey(['fileid'], 'fce_pk');
 //			$table->addUniqueIndex(['fileid'], 'fce_fileid_idx');
-			$table->addIndex(['creation_time'], 'fce_ctime_idx');
-			$table->addIndex(['upload_time'], 'fce_utime_idx');
-		}
+            $table->addIndex(['creation_time'], 'fce_ctime_idx');
+            $table->addIndex(['upload_time'], 'fce_utime_idx');
+        }
 
-		return $schema;
-	}
+        return $schema;
+    }
 }

core/Application.php

Indentation +208 added lines, -208 removed lines

@@ -57,212 +57,212 @@
  * @package OC\Core
  */
 class Application extends App {
-	public function __construct() {
-		parent::__construct('core');
-
-		$container = $this->getContainer();
-
-		$container->registerService('defaultMailAddress', function () {
-			return Util::getDefaultEmailAddress('lostpassword-noreply');
-		});
-
-		$server = $container->getServer();
-		/** @var IEventDispatcher $eventDispatcher */
-		$eventDispatcher = $server->query(IEventDispatcher::class);
-
-		$notificationManager = $server->getNotificationManager();
-		$notificationManager->registerNotifierService(RemoveLinkSharesNotifier::class);
-		$notificationManager->registerNotifierService(AuthenticationNotifier::class);
-
-		$oldEventDispatcher = $server->getEventDispatcher();
-
-		$oldEventDispatcher->addListener(IDBConnection::CHECK_MISSING_INDEXES_EVENT,
-			function (GenericEvent $event) use ($container) {
-				/** @var MissingIndexInformation $subject */
-				$subject = $event->getSubject();
-
-				$schema = new SchemaWrapper($container->query(IDBConnection::class));
-
-				if ($schema->hasTable('share')) {
-					$table = $schema->getTable('share');
-
-					if (!$table->hasIndex('share_with_index')) {
-						$subject->addHintForMissingSubject($table->getName(), 'share_with_index');
-					}
-					if (!$table->hasIndex('parent_index')) {
-						$subject->addHintForMissingSubject($table->getName(), 'parent_index');
-					}
-					if (!$table->hasIndex('owner_index')) {
-						$subject->addHintForMissingSubject($table->getName(), 'owner_index');
-					}
-					if (!$table->hasIndex('initiator_index')) {
-						$subject->addHintForMissingSubject($table->getName(), 'initiator_index');
-					}
-				}
-
-				if ($schema->hasTable('filecache')) {
-					$table = $schema->getTable('filecache');
-
-					if (!$table->hasIndex('fs_mtime')) {
-						$subject->addHintForMissingSubject($table->getName(), 'fs_mtime');
-					}
-
-					if (!$table->hasIndex('fs_size')) {
-						$subject->addHintForMissingSubject($table->getName(), 'fs_size');
-					}
-				}
-
-				if ($schema->hasTable('twofactor_providers')) {
-					$table = $schema->getTable('twofactor_providers');
-
-					if (!$table->hasIndex('twofactor_providers_uid')) {
-						$subject->addHintForMissingSubject($table->getName(), 'twofactor_providers_uid');
-					}
-				}
-
-				if ($schema->hasTable('login_flow_v2')) {
-					$table = $schema->getTable('login_flow_v2');
-
-					if (!$table->hasIndex('poll_token')) {
-						$subject->addHintForMissingSubject($table->getName(), 'poll_token');
-					}
-					if (!$table->hasIndex('login_token')) {
-						$subject->addHintForMissingSubject($table->getName(), 'login_token');
-					}
-					if (!$table->hasIndex('timestamp')) {
-						$subject->addHintForMissingSubject($table->getName(), 'timestamp');
-					}
-				}
-
-				if ($schema->hasTable('whats_new')) {
-					$table = $schema->getTable('whats_new');
-
-					if (!$table->hasIndex('version')) {
-						$subject->addHintForMissingSubject($table->getName(), 'version');
-					}
-				}
-
-				if ($schema->hasTable('cards')) {
-					$table = $schema->getTable('cards');
-
-					if (!$table->hasIndex('cards_abid')) {
-						$subject->addHintForMissingSubject($table->getName(), 'cards_abid');
-					}
-				}
-
-				if ($schema->hasTable('cards_properties')) {
-					$table = $schema->getTable('cards_properties');
-
-					if (!$table->hasIndex('cards_prop_abid')) {
-						$subject->addHintForMissingSubject($table->getName(), 'cards_prop_abid');
-					}
-				}
-
-				if ($schema->hasTable('calendarobjects_props')) {
-					$table = $schema->getTable('calendarobjects_props');
-
-					if (!$table->hasIndex('calendarobject_calid_index')) {
-						$subject->addHintForMissingSubject($table->getName(), 'calendarobject_calid_index');
-					}
-				}
-
-				if ($schema->hasTable('schedulingobjects')) {
-					$table = $schema->getTable('schedulingobjects');
-					if (!$table->hasIndex('schedulobj_principuri_index')) {
-						$subject->addHintForMissingSubject($table->getName(), 'schedulobj_principuri_index');
-					}
-				}
-
-				if ($schema->hasTable('properties')) {
-					$table = $schema->getTable('properties');
-					if (!$table->hasIndex('properties_path_index')) {
-						$subject->addHintForMissingSubject($table->getName(), 'properties_path_index');
-					}
-				}
-			}
-		);
-
-		$oldEventDispatcher->addListener(IDBConnection::CHECK_MISSING_PRIMARY_KEYS_EVENT,
-			function (GenericEvent $event) use ($container) {
-				/** @var MissingPrimaryKeyInformation $subject */
-				$subject = $event->getSubject();
-
-				$schema = new SchemaWrapper($container->query(IDBConnection::class));
-
-				if ($schema->hasTable('federated_reshares')) {
-					$table = $schema->getTable('federated_reshares');
-
-					if (!$table->hasPrimaryKey()) {
-						$subject->addHintForMissingSubject($table->getName());
-					}
-				}
-
-				if ($schema->hasTable('systemtag_object_mapping')) {
-					$table = $schema->getTable('systemtag_object_mapping');
-
-					if (!$table->hasPrimaryKey()) {
-						$subject->addHintForMissingSubject($table->getName());
-					}
-				}
-
-				if ($schema->hasTable('comments_read_markers')) {
-					$table = $schema->getTable('comments_read_markers');
-
-					if (!$table->hasPrimaryKey()) {
-						$subject->addHintForMissingSubject($table->getName());
-					}
-				}
-
-				if ($schema->hasTable('collres_resources')) {
-					$table = $schema->getTable('collres_resources');
-
-					if (!$table->hasPrimaryKey()) {
-						$subject->addHintForMissingSubject($table->getName());
-					}
-				}
-
-				if ($schema->hasTable('collres_accesscache')) {
-					$table = $schema->getTable('collres_accesscache');
-
-					if (!$table->hasPrimaryKey()) {
-						$subject->addHintForMissingSubject($table->getName());
-					}
-				}
-
-				if ($schema->hasTable('filecache_extended')) {
-					$table = $schema->getTable('filecache_extended');
-
-					if (!$table->hasPrimaryKey()) {
-						$subject->addHintForMissingSubject($table->getName());
-					}
-				}
-			}
-		);
-
-		$oldEventDispatcher->addListener(IDBConnection::CHECK_MISSING_COLUMNS_EVENT,
-			function (GenericEvent $event) use ($container) {
-				/** @var MissingColumnInformation $subject */
-				$subject = $event->getSubject();
-
-				$schema = new SchemaWrapper($container->query(IDBConnection::class));
-
-				if ($schema->hasTable('comments')) {
-					$table = $schema->getTable('comments');
-
-					if (!$table->hasColumn('reference_id')) {
-						$subject->addHintForMissingColumn($table->getName(), 'reference_id');
-					}
-				}
-			}
-		);
-
-		$eventDispatcher->addServiceListener(RemoteWipeStarted::class, RemoteWipeActivityListener::class);
-		$eventDispatcher->addServiceListener(RemoteWipeStarted::class, RemoteWipeNotificationsListener::class);
-		$eventDispatcher->addServiceListener(RemoteWipeStarted::class, RemoteWipeEmailListener::class);
-		$eventDispatcher->addServiceListener(RemoteWipeFinished::class, RemoteWipeActivityListener::class);
-		$eventDispatcher->addServiceListener(RemoteWipeFinished::class, RemoteWipeNotificationsListener::class);
-		$eventDispatcher->addServiceListener(RemoteWipeFinished::class, RemoteWipeEmailListener::class);
-		$eventDispatcher->addServiceListener(UserDeletedEvent::class, UserDeletedStoreCleanupListener::class);
-		$eventDispatcher->addServiceListener(UserDeletedEvent::class, UserDeletedTokenCleanupListener::class);
-	}
+    public function __construct() {
+        parent::__construct('core');
+
+        $container = $this->getContainer();
+
+        $container->registerService('defaultMailAddress', function () {
+            return Util::getDefaultEmailAddress('lostpassword-noreply');
+        });
+
+        $server = $container->getServer();
+        /** @var IEventDispatcher $eventDispatcher */
+        $eventDispatcher = $server->query(IEventDispatcher::class);
+
+        $notificationManager = $server->getNotificationManager();
+        $notificationManager->registerNotifierService(RemoveLinkSharesNotifier::class);
+        $notificationManager->registerNotifierService(AuthenticationNotifier::class);
+
+        $oldEventDispatcher = $server->getEventDispatcher();
+
+        $oldEventDispatcher->addListener(IDBConnection::CHECK_MISSING_INDEXES_EVENT,
+            function (GenericEvent $event) use ($container) {
+                /** @var MissingIndexInformation $subject */
+                $subject = $event->getSubject();
+
+                $schema = new SchemaWrapper($container->query(IDBConnection::class));
+
+                if ($schema->hasTable('share')) {
+                    $table = $schema->getTable('share');
+
+                    if (!$table->hasIndex('share_with_index')) {
+                        $subject->addHintForMissingSubject($table->getName(), 'share_with_index');
+                    }
+                    if (!$table->hasIndex('parent_index')) {
+                        $subject->addHintForMissingSubject($table->getName(), 'parent_index');
+                    }
+                    if (!$table->hasIndex('owner_index')) {
+                        $subject->addHintForMissingSubject($table->getName(), 'owner_index');
+                    }
+                    if (!$table->hasIndex('initiator_index')) {
+                        $subject->addHintForMissingSubject($table->getName(), 'initiator_index');
+                    }
+                }
+
+                if ($schema->hasTable('filecache')) {
+                    $table = $schema->getTable('filecache');
+
+                    if (!$table->hasIndex('fs_mtime')) {
+                        $subject->addHintForMissingSubject($table->getName(), 'fs_mtime');
+                    }
+
+                    if (!$table->hasIndex('fs_size')) {
+                        $subject->addHintForMissingSubject($table->getName(), 'fs_size');
+                    }
+                }
+
+                if ($schema->hasTable('twofactor_providers')) {
+                    $table = $schema->getTable('twofactor_providers');
+
+                    if (!$table->hasIndex('twofactor_providers_uid')) {
+                        $subject->addHintForMissingSubject($table->getName(), 'twofactor_providers_uid');
+                    }
+                }
+
+                if ($schema->hasTable('login_flow_v2')) {
+                    $table = $schema->getTable('login_flow_v2');
+
+                    if (!$table->hasIndex('poll_token')) {
+                        $subject->addHintForMissingSubject($table->getName(), 'poll_token');
+                    }
+                    if (!$table->hasIndex('login_token')) {
+                        $subject->addHintForMissingSubject($table->getName(), 'login_token');
+                    }
+                    if (!$table->hasIndex('timestamp')) {
+                        $subject->addHintForMissingSubject($table->getName(), 'timestamp');
+                    }
+                }
+
+                if ($schema->hasTable('whats_new')) {
+                    $table = $schema->getTable('whats_new');
+
+                    if (!$table->hasIndex('version')) {
+                        $subject->addHintForMissingSubject($table->getName(), 'version');
+                    }
+                }
+
+                if ($schema->hasTable('cards')) {
+                    $table = $schema->getTable('cards');
+
+                    if (!$table->hasIndex('cards_abid')) {
+                        $subject->addHintForMissingSubject($table->getName(), 'cards_abid');
+                    }
+                }
+
+                if ($schema->hasTable('cards_properties')) {
+                    $table = $schema->getTable('cards_properties');
+
+                    if (!$table->hasIndex('cards_prop_abid')) {
+                        $subject->addHintForMissingSubject($table->getName(), 'cards_prop_abid');
+                    }
+                }
+
+                if ($schema->hasTable('calendarobjects_props')) {
+                    $table = $schema->getTable('calendarobjects_props');
+
+                    if (!$table->hasIndex('calendarobject_calid_index')) {
+                        $subject->addHintForMissingSubject($table->getName(), 'calendarobject_calid_index');
+                    }
+                }
+
+                if ($schema->hasTable('schedulingobjects')) {
+                    $table = $schema->getTable('schedulingobjects');
+                    if (!$table->hasIndex('schedulobj_principuri_index')) {
+                        $subject->addHintForMissingSubject($table->getName(), 'schedulobj_principuri_index');
+                    }
+                }
+
+                if ($schema->hasTable('properties')) {
+                    $table = $schema->getTable('properties');
+                    if (!$table->hasIndex('properties_path_index')) {
+                        $subject->addHintForMissingSubject($table->getName(), 'properties_path_index');
+                    }
+                }
+            }
+        );
+
+        $oldEventDispatcher->addListener(IDBConnection::CHECK_MISSING_PRIMARY_KEYS_EVENT,
+            function (GenericEvent $event) use ($container) {
+                /** @var MissingPrimaryKeyInformation $subject */
+                $subject = $event->getSubject();
+
+                $schema = new SchemaWrapper($container->query(IDBConnection::class));
+
+                if ($schema->hasTable('federated_reshares')) {
+                    $table = $schema->getTable('federated_reshares');
+
+                    if (!$table->hasPrimaryKey()) {
+                        $subject->addHintForMissingSubject($table->getName());
+                    }
+                }
+
+                if ($schema->hasTable('systemtag_object_mapping')) {
+                    $table = $schema->getTable('systemtag_object_mapping');
+
+                    if (!$table->hasPrimaryKey()) {
+                        $subject->addHintForMissingSubject($table->getName());
+                    }
+                }
+
+                if ($schema->hasTable('comments_read_markers')) {
+                    $table = $schema->getTable('comments_read_markers');
+
+                    if (!$table->hasPrimaryKey()) {
+                        $subject->addHintForMissingSubject($table->getName());
+                    }
+                }
+
+                if ($schema->hasTable('collres_resources')) {
+                    $table = $schema->getTable('collres_resources');
+
+                    if (!$table->hasPrimaryKey()) {
+                        $subject->addHintForMissingSubject($table->getName());
+                    }
+                }
+
+                if ($schema->hasTable('collres_accesscache')) {
+                    $table = $schema->getTable('collres_accesscache');
+
+                    if (!$table->hasPrimaryKey()) {
+                        $subject->addHintForMissingSubject($table->getName());
+                    }
+                }
+
+                if ($schema->hasTable('filecache_extended')) {
+                    $table = $schema->getTable('filecache_extended');
+
+                    if (!$table->hasPrimaryKey()) {
+                        $subject->addHintForMissingSubject($table->getName());
+                    }
+                }
+            }
+        );
+
+        $oldEventDispatcher->addListener(IDBConnection::CHECK_MISSING_COLUMNS_EVENT,
+            function (GenericEvent $event) use ($container) {
+                /** @var MissingColumnInformation $subject */
+                $subject = $event->getSubject();
+
+                $schema = new SchemaWrapper($container->query(IDBConnection::class));
+
+                if ($schema->hasTable('comments')) {
+                    $table = $schema->getTable('comments');
+
+                    if (!$table->hasColumn('reference_id')) {
+                        $subject->addHintForMissingColumn($table->getName(), 'reference_id');
+                    }
+                }
+            }
+        );
+
+        $eventDispatcher->addServiceListener(RemoteWipeStarted::class, RemoteWipeActivityListener::class);
+        $eventDispatcher->addServiceListener(RemoteWipeStarted::class, RemoteWipeNotificationsListener::class);
+        $eventDispatcher->addServiceListener(RemoteWipeStarted::class, RemoteWipeEmailListener::class);
+        $eventDispatcher->addServiceListener(RemoteWipeFinished::class, RemoteWipeActivityListener::class);
+        $eventDispatcher->addServiceListener(RemoteWipeFinished::class, RemoteWipeNotificationsListener::class);
+        $eventDispatcher->addServiceListener(RemoteWipeFinished::class, RemoteWipeEmailListener::class);
+        $eventDispatcher->addServiceListener(UserDeletedEvent::class, UserDeletedStoreCleanupListener::class);
+        $eventDispatcher->addServiceListener(UserDeletedEvent::class, UserDeletedTokenCleanupListener::class);
+    }
 }

Spacing +4 added lines, -4 removed lines

@@ -62,7 +62,7 @@ 
 
 		$container = $this->getContainer();
 
-		$container->registerService('defaultMailAddress', function () {
+		$container->registerService('defaultMailAddress', function() {
 			return Util::getDefaultEmailAddress('lostpassword-noreply');
 		});
 
@@ -77,7 +77,7 @@ 
 		$oldEventDispatcher = $server->getEventDispatcher();
 
 		$oldEventDispatcher->addListener(IDBConnection::CHECK_MISSING_INDEXES_EVENT,
-			function (GenericEvent $event) use ($container) {
+			function(GenericEvent $event) use ($container) {
 				/** @var MissingIndexInformation $subject */
 				$subject = $event->getSubject();
 
@@ -183,7 +183,7 @@ 
 		);
 
 		$oldEventDispatcher->addListener(IDBConnection::CHECK_MISSING_PRIMARY_KEYS_EVENT,
-			function (GenericEvent $event) use ($container) {
+			function(GenericEvent $event) use ($container) {
 				/** @var MissingPrimaryKeyInformation $subject */
 				$subject = $event->getSubject();
 
@@ -240,7 +240,7 @@ 
 		);
 
 		$oldEventDispatcher->addListener(IDBConnection::CHECK_MISSING_COLUMNS_EVENT,
-			function (GenericEvent $event) use ($container) {
+			function(GenericEvent $event) use ($container) {
 				/** @var MissingColumnInformation $subject */
 				$subject = $event->getSubject();
 

core/Command/Db/AddMissingPrimaryKeys.php

Indentation +128 added lines, -128 removed lines

@@ -50,132 +50,132 @@
  */
 class AddMissingPrimaryKeys extends Command {
 
-	/** @var IDBConnection */
-	private $connection;
-
-	/** @var EventDispatcherInterface */
-	private $dispatcher;
-
-	public function __construct(IDBConnection $connection, EventDispatcherInterface $dispatcher) {
-		parent::__construct();
-
-		$this->connection = $connection;
-		$this->dispatcher = $dispatcher;
-	}
-
-	protected function configure() {
-		$this
-			->setName('db:add-missing-primary-keys')
-			->setDescription('Add missing primary keys to the database tables');
-	}
-
-	protected function execute(InputInterface $input, OutputInterface $output): int {
-		$this->addCorePrimaryKeys($output);
-
-		// Dispatch event so apps can also update indexes if needed
-		$event = new GenericEvent($output);
-		$this->dispatcher->dispatch(IDBConnection::ADD_MISSING_PRIMARY_KEYS_EVENT, $event);
-		return 0;
-	}
-
-	/**
-	 * add missing indices to the share table
-	 *
-	 * @param OutputInterface $output
-	 * @throws \Doctrine\DBAL\Schema\SchemaException
-	 */
-	private function addCorePrimaryKeys(OutputInterface $output) {
-		$output->writeln('<info>Check primary keys.</info>');
-
-		$schema = new SchemaWrapper($this->connection);
-		$updated = false;
-
-		if ($schema->hasTable('federated_reshares')) {
-			$table = $schema->getTable('federated_reshares');
-			if (!$table->hasPrimaryKey()) {
-				$output->writeln('<info>Adding primary key to the federated_reshares table, this can take some time...</info>');
-				$table->setPrimaryKey(['share_id'], 'federated_res_pk');
-				if ($table->hasIndex('share_id_index')) {
-					$table->dropIndex('share_id_index');
-				}
-				$this->connection->migrateToSchema($schema->getWrappedSchema());
-				$updated = true;
-				$output->writeln('<info>federated_reshares table updated successfully.</info>');
-			}
-		}
-
-		if ($schema->hasTable('systemtag_object_mapping')) {
-			$table = $schema->getTable('systemtag_object_mapping');
-			if (!$table->hasPrimaryKey()) {
-				$output->writeln('<info>Adding primary key to the systemtag_object_mapping table, this can take some time...</info>');
-				$table->setPrimaryKey(['objecttype', 'objectid', 'systemtagid'], 'som_pk');
-				if ($table->hasIndex('mapping')) {
-					$table->dropIndex('mapping');
-				}
-				$this->connection->migrateToSchema($schema->getWrappedSchema());
-				$updated = true;
-				$output->writeln('<info>systemtag_object_mapping table updated successfully.</info>');
-			}
-		}
-
-		if ($schema->hasTable('comments_read_markers')) {
-			$table = $schema->getTable('comments_read_markers');
-			if (!$table->hasPrimaryKey()) {
-				$output->writeln('<info>Adding primary key to the comments_read_markers table, this can take some time...</info>');
-				$table->setPrimaryKey(['user_id', 'object_type', 'object_id'], 'crm_pk');
-				if ($table->hasIndex('comments_marker_index')) {
-					$table->dropIndex('comments_marker_index');
-				}
-				$this->connection->migrateToSchema($schema->getWrappedSchema());
-				$updated = true;
-				$output->writeln('<info>comments_read_markers table updated successfully.</info>');
-			}
-		}
-
-		if ($schema->hasTable('collres_resources')) {
-			$table = $schema->getTable('collres_resources');
-			if (!$table->hasPrimaryKey()) {
-				$output->writeln('<info>Adding primary key to the collres_resources table, this can take some time...</info>');
-				$table->setPrimaryKey(['collection_id', 'resource_type', 'resource_id'], 'crr_pk');
-				if ($table->hasIndex('collres_unique_res')) {
-					$table->dropIndex('collres_unique_res');
-				}
-				$this->connection->migrateToSchema($schema->getWrappedSchema());
-				$updated = true;
-				$output->writeln('<info>collres_resources table updated successfully.</info>');
-			}
-		}
-
-		if ($schema->hasTable('collres_accesscache')) {
-			$table = $schema->getTable('collres_accesscache');
-			if (!$table->hasPrimaryKey()) {
-				$output->writeln('<info>Adding primary key to the collres_accesscache table, this can take some time...</info>');
-				$table->setPrimaryKey(['user_id', 'collection_id', 'resource_type', 'resource_id'], 'cra_pk');
-				if ($table->hasIndex('collres_unique_user')) {
-					$table->dropIndex('collres_unique_user');
-				}
-				$this->connection->migrateToSchema($schema->getWrappedSchema());
-				$updated = true;
-				$output->writeln('<info>collres_accesscache table updated successfully.</info>');
-			}
-		}
-
-		if ($schema->hasTable('filecache_extended')) {
-			$table = $schema->getTable('filecache_extended');
-			if (!$table->hasPrimaryKey()) {
-				$output->writeln('<info>Adding primary key to the filecache_extended table, this can take some time...</info>');
-				$table->setPrimaryKey(['fileid'], 'fce_pk');
-				if ($table->hasIndex('fce_fileid_idx')) {
-					$table->dropIndex('fce_fileid_idx');
-				}
-				$this->connection->migrateToSchema($schema->getWrappedSchema());
-				$updated = true;
-				$output->writeln('<info>filecache_extended table updated successfully.</info>');
-			}
-		}
-
-		if (!$updated) {
-			$output->writeln('<info>Done.</info>');
-		}
-	}
+    /** @var IDBConnection */
+    private $connection;
+
+    /** @var EventDispatcherInterface */
+    private $dispatcher;
+
+    public function __construct(IDBConnection $connection, EventDispatcherInterface $dispatcher) {
+        parent::__construct();
+
+        $this->connection = $connection;
+        $this->dispatcher = $dispatcher;
+    }
+
+    protected function configure() {
+        $this
+            ->setName('db:add-missing-primary-keys')
+            ->setDescription('Add missing primary keys to the database tables');
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output): int {
+        $this->addCorePrimaryKeys($output);
+
+        // Dispatch event so apps can also update indexes if needed
+        $event = new GenericEvent($output);
+        $this->dispatcher->dispatch(IDBConnection::ADD_MISSING_PRIMARY_KEYS_EVENT, $event);
+        return 0;
+    }
+
+    /**
+     * add missing indices to the share table
+     *
+     * @param OutputInterface $output
+     * @throws \Doctrine\DBAL\Schema\SchemaException
+     */
+    private function addCorePrimaryKeys(OutputInterface $output) {
+        $output->writeln('<info>Check primary keys.</info>');
+
+        $schema = new SchemaWrapper($this->connection);
+        $updated = false;
+
+        if ($schema->hasTable('federated_reshares')) {
+            $table = $schema->getTable('federated_reshares');
+            if (!$table->hasPrimaryKey()) {
+                $output->writeln('<info>Adding primary key to the federated_reshares table, this can take some time...</info>');
+                $table->setPrimaryKey(['share_id'], 'federated_res_pk');
+                if ($table->hasIndex('share_id_index')) {
+                    $table->dropIndex('share_id_index');
+                }
+                $this->connection->migrateToSchema($schema->getWrappedSchema());
+                $updated = true;
+                $output->writeln('<info>federated_reshares table updated successfully.</info>');
+            }
+        }
+
+        if ($schema->hasTable('systemtag_object_mapping')) {
+            $table = $schema->getTable('systemtag_object_mapping');
+            if (!$table->hasPrimaryKey()) {
+                $output->writeln('<info>Adding primary key to the systemtag_object_mapping table, this can take some time...</info>');
+                $table->setPrimaryKey(['objecttype', 'objectid', 'systemtagid'], 'som_pk');
+                if ($table->hasIndex('mapping')) {
+                    $table->dropIndex('mapping');
+                }
+                $this->connection->migrateToSchema($schema->getWrappedSchema());
+                $updated = true;
+                $output->writeln('<info>systemtag_object_mapping table updated successfully.</info>');
+            }
+        }
+
+        if ($schema->hasTable('comments_read_markers')) {
+            $table = $schema->getTable('comments_read_markers');
+            if (!$table->hasPrimaryKey()) {
+                $output->writeln('<info>Adding primary key to the comments_read_markers table, this can take some time...</info>');
+                $table->setPrimaryKey(['user_id', 'object_type', 'object_id'], 'crm_pk');
+                if ($table->hasIndex('comments_marker_index')) {
+                    $table->dropIndex('comments_marker_index');
+                }
+                $this->connection->migrateToSchema($schema->getWrappedSchema());
+                $updated = true;
+                $output->writeln('<info>comments_read_markers table updated successfully.</info>');
+            }
+        }
+
+        if ($schema->hasTable('collres_resources')) {
+            $table = $schema->getTable('collres_resources');
+            if (!$table->hasPrimaryKey()) {
+                $output->writeln('<info>Adding primary key to the collres_resources table, this can take some time...</info>');
+                $table->setPrimaryKey(['collection_id', 'resource_type', 'resource_id'], 'crr_pk');
+                if ($table->hasIndex('collres_unique_res')) {
+                    $table->dropIndex('collres_unique_res');
+                }
+                $this->connection->migrateToSchema($schema->getWrappedSchema());
+                $updated = true;
+                $output->writeln('<info>collres_resources table updated successfully.</info>');
+            }
+        }
+
+        if ($schema->hasTable('collres_accesscache')) {
+            $table = $schema->getTable('collres_accesscache');
+            if (!$table->hasPrimaryKey()) {
+                $output->writeln('<info>Adding primary key to the collres_accesscache table, this can take some time...</info>');
+                $table->setPrimaryKey(['user_id', 'collection_id', 'resource_type', 'resource_id'], 'cra_pk');
+                if ($table->hasIndex('collres_unique_user')) {
+                    $table->dropIndex('collres_unique_user');
+                }
+                $this->connection->migrateToSchema($schema->getWrappedSchema());
+                $updated = true;
+                $output->writeln('<info>collres_accesscache table updated successfully.</info>');
+            }
+        }
+
+        if ($schema->hasTable('filecache_extended')) {
+            $table = $schema->getTable('filecache_extended');
+            if (!$table->hasPrimaryKey()) {
+                $output->writeln('<info>Adding primary key to the filecache_extended table, this can take some time...</info>');
+                $table->setPrimaryKey(['fileid'], 'fce_pk');
+                if ($table->hasIndex('fce_fileid_idx')) {
+                    $table->dropIndex('fce_fileid_idx');
+                }
+                $this->connection->migrateToSchema($schema->getWrappedSchema());
+                $updated = true;
+                $output->writeln('<info>filecache_extended table updated successfully.</info>');
+            }
+        }
+
+        if (!$updated) {
+            $output->writeln('<info>Done.</info>');
+        }
+    }
 }

apps/dav/composer/composer/autoload_classmap.php

Spacing +251 added lines, -251 removed lines

@@ -6,255 +6,255 @@
 $baseDir = $vendorDir;
 
 return array(
-    'OCA\\DAV\\AppInfo\\Application' => $baseDir . '/../lib/AppInfo/Application.php',
-    'OCA\\DAV\\AppInfo\\PluginManager' => $baseDir . '/../lib/AppInfo/PluginManager.php',
-    'OCA\\DAV\\Avatars\\AvatarHome' => $baseDir . '/../lib/Avatars/AvatarHome.php',
-    'OCA\\DAV\\Avatars\\AvatarNode' => $baseDir . '/../lib/Avatars/AvatarNode.php',
-    'OCA\\DAV\\Avatars\\RootCollection' => $baseDir . '/../lib/Avatars/RootCollection.php',
-    'OCA\\DAV\\BackgroundJob\\BuildReminderIndexBackgroundJob' => $baseDir . '/../lib/BackgroundJob/BuildReminderIndexBackgroundJob.php',
-    'OCA\\DAV\\BackgroundJob\\CleanupDirectLinksJob' => $baseDir . '/../lib/BackgroundJob/CleanupDirectLinksJob.php',
-    'OCA\\DAV\\BackgroundJob\\CleanupInvitationTokenJob' => $baseDir . '/../lib/BackgroundJob/CleanupInvitationTokenJob.php',
-    'OCA\\DAV\\BackgroundJob\\EventReminderJob' => $baseDir . '/../lib/BackgroundJob/EventReminderJob.php',
-    'OCA\\DAV\\BackgroundJob\\GenerateBirthdayCalendarBackgroundJob' => $baseDir . '/../lib/BackgroundJob/GenerateBirthdayCalendarBackgroundJob.php',
-    'OCA\\DAV\\BackgroundJob\\RefreshWebcalJob' => $baseDir . '/../lib/BackgroundJob/RefreshWebcalJob.php',
-    'OCA\\DAV\\BackgroundJob\\RegisterRegenerateBirthdayCalendars' => $baseDir . '/../lib/BackgroundJob/RegisterRegenerateBirthdayCalendars.php',
-    'OCA\\DAV\\BackgroundJob\\UpdateCalendarResourcesRoomsBackgroundJob' => $baseDir . '/../lib/BackgroundJob/UpdateCalendarResourcesRoomsBackgroundJob.php',
-    'OCA\\DAV\\BackgroundJob\\UploadCleanup' => $baseDir . '/../lib/BackgroundJob/UploadCleanup.php',
-    'OCA\\DAV\\CalDAV\\Activity\\Backend' => $baseDir . '/../lib/CalDAV/Activity/Backend.php',
-    'OCA\\DAV\\CalDAV\\Activity\\Filter\\Calendar' => $baseDir . '/../lib/CalDAV/Activity/Filter/Calendar.php',
-    'OCA\\DAV\\CalDAV\\Activity\\Filter\\Todo' => $baseDir . '/../lib/CalDAV/Activity/Filter/Todo.php',
-    'OCA\\DAV\\CalDAV\\Activity\\Provider\\Base' => $baseDir . '/../lib/CalDAV/Activity/Provider/Base.php',
-    'OCA\\DAV\\CalDAV\\Activity\\Provider\\Calendar' => $baseDir . '/../lib/CalDAV/Activity/Provider/Calendar.php',
-    'OCA\\DAV\\CalDAV\\Activity\\Provider\\Event' => $baseDir . '/../lib/CalDAV/Activity/Provider/Event.php',
-    'OCA\\DAV\\CalDAV\\Activity\\Provider\\Todo' => $baseDir . '/../lib/CalDAV/Activity/Provider/Todo.php',
-    'OCA\\DAV\\CalDAV\\Activity\\Setting\\CalDAVSetting' => $baseDir . '/../lib/CalDAV/Activity/Setting/CalDAVSetting.php',
-    'OCA\\DAV\\CalDAV\\Activity\\Setting\\Calendar' => $baseDir . '/../lib/CalDAV/Activity/Setting/Calendar.php',
-    'OCA\\DAV\\CalDAV\\Activity\\Setting\\Event' => $baseDir . '/../lib/CalDAV/Activity/Setting/Event.php',
-    'OCA\\DAV\\CalDAV\\Activity\\Setting\\Todo' => $baseDir . '/../lib/CalDAV/Activity/Setting/Todo.php',
-    'OCA\\DAV\\CalDAV\\BirthdayCalendar\\EnablePlugin' => $baseDir . '/../lib/CalDAV/BirthdayCalendar/EnablePlugin.php',
-    'OCA\\DAV\\CalDAV\\BirthdayService' => $baseDir . '/../lib/CalDAV/BirthdayService.php',
-    'OCA\\DAV\\CalDAV\\CachedSubscription' => $baseDir . '/../lib/CalDAV/CachedSubscription.php',
-    'OCA\\DAV\\CalDAV\\CachedSubscriptionObject' => $baseDir . '/../lib/CalDAV/CachedSubscriptionObject.php',
-    'OCA\\DAV\\CalDAV\\CalDavBackend' => $baseDir . '/../lib/CalDAV/CalDavBackend.php',
-    'OCA\\DAV\\CalDAV\\Calendar' => $baseDir . '/../lib/CalDAV/Calendar.php',
-    'OCA\\DAV\\CalDAV\\CalendarHome' => $baseDir . '/../lib/CalDAV/CalendarHome.php',
-    'OCA\\DAV\\CalDAV\\CalendarImpl' => $baseDir . '/../lib/CalDAV/CalendarImpl.php',
-    'OCA\\DAV\\CalDAV\\CalendarManager' => $baseDir . '/../lib/CalDAV/CalendarManager.php',
-    'OCA\\DAV\\CalDAV\\CalendarObject' => $baseDir . '/../lib/CalDAV/CalendarObject.php',
-    'OCA\\DAV\\CalDAV\\CalendarRoot' => $baseDir . '/../lib/CalDAV/CalendarRoot.php',
-    'OCA\\DAV\\CalDAV\\ICSExportPlugin\\ICSExportPlugin' => $baseDir . '/../lib/CalDAV/ICSExportPlugin/ICSExportPlugin.php',
-    'OCA\\DAV\\CalDAV\\Integration\\ExternalCalendar' => $baseDir . '/../lib/CalDAV/Integration/ExternalCalendar.php',
-    'OCA\\DAV\\CalDAV\\Integration\\ICalendarProvider' => $baseDir . '/../lib/CalDAV/Integration/ICalendarProvider.php',
-    'OCA\\DAV\\CalDAV\\InvitationResponse\\InvitationResponseServer' => $baseDir . '/../lib/CalDAV/InvitationResponse/InvitationResponseServer.php',
-    'OCA\\DAV\\CalDAV\\Outbox' => $baseDir . '/../lib/CalDAV/Outbox.php',
-    'OCA\\DAV\\CalDAV\\Plugin' => $baseDir . '/../lib/CalDAV/Plugin.php',
-    'OCA\\DAV\\CalDAV\\Principal\\Collection' => $baseDir . '/../lib/CalDAV/Principal/Collection.php',
-    'OCA\\DAV\\CalDAV\\Principal\\User' => $baseDir . '/../lib/CalDAV/Principal/User.php',
-    'OCA\\DAV\\CalDAV\\Proxy\\Proxy' => $baseDir . '/../lib/CalDAV/Proxy/Proxy.php',
-    'OCA\\DAV\\CalDAV\\Proxy\\ProxyMapper' => $baseDir . '/../lib/CalDAV/Proxy/ProxyMapper.php',
-    'OCA\\DAV\\CalDAV\\PublicCalendar' => $baseDir . '/../lib/CalDAV/PublicCalendar.php',
-    'OCA\\DAV\\CalDAV\\PublicCalendarObject' => $baseDir . '/../lib/CalDAV/PublicCalendarObject.php',
-    'OCA\\DAV\\CalDAV\\PublicCalendarRoot' => $baseDir . '/../lib/CalDAV/PublicCalendarRoot.php',
-    'OCA\\DAV\\CalDAV\\Publishing\\PublishPlugin' => $baseDir . '/../lib/CalDAV/Publishing/PublishPlugin.php',
-    'OCA\\DAV\\CalDAV\\Publishing\\Xml\\Publisher' => $baseDir . '/../lib/CalDAV/Publishing/Xml/Publisher.php',
-    'OCA\\DAV\\CalDAV\\Reminder\\Backend' => $baseDir . '/../lib/CalDAV/Reminder/Backend.php',
-    'OCA\\DAV\\CalDAV\\Reminder\\INotificationProvider' => $baseDir . '/../lib/CalDAV/Reminder/INotificationProvider.php',
-    'OCA\\DAV\\CalDAV\\Reminder\\NotificationProviderManager' => $baseDir . '/../lib/CalDAV/Reminder/NotificationProviderManager.php',
-    'OCA\\DAV\\CalDAV\\Reminder\\NotificationProvider\\AbstractProvider' => $baseDir . '/../lib/CalDAV/Reminder/NotificationProvider/AbstractProvider.php',
-    'OCA\\DAV\\CalDAV\\Reminder\\NotificationProvider\\AudioProvider' => $baseDir . '/../lib/CalDAV/Reminder/NotificationProvider/AudioProvider.php',
-    'OCA\\DAV\\CalDAV\\Reminder\\NotificationProvider\\EmailProvider' => $baseDir . '/../lib/CalDAV/Reminder/NotificationProvider/EmailProvider.php',
-    'OCA\\DAV\\CalDAV\\Reminder\\NotificationProvider\\ProviderNotAvailableException' => $baseDir . '/../lib/CalDAV/Reminder/NotificationProvider/ProviderNotAvailableException.php',
-    'OCA\\DAV\\CalDAV\\Reminder\\NotificationProvider\\PushProvider' => $baseDir . '/../lib/CalDAV/Reminder/NotificationProvider/PushProvider.php',
-    'OCA\\DAV\\CalDAV\\Reminder\\NotificationTypeDoesNotExistException' => $baseDir . '/../lib/CalDAV/Reminder/NotificationTypeDoesNotExistException.php',
-    'OCA\\DAV\\CalDAV\\Reminder\\Notifier' => $baseDir . '/../lib/CalDAV/Reminder/Notifier.php',
-    'OCA\\DAV\\CalDAV\\Reminder\\ReminderService' => $baseDir . '/../lib/CalDAV/Reminder/ReminderService.php',
-    'OCA\\DAV\\CalDAV\\ResourceBooking\\AbstractPrincipalBackend' => $baseDir . '/../lib/CalDAV/ResourceBooking/AbstractPrincipalBackend.php',
-    'OCA\\DAV\\CalDAV\\ResourceBooking\\ResourcePrincipalBackend' => $baseDir . '/../lib/CalDAV/ResourceBooking/ResourcePrincipalBackend.php',
-    'OCA\\DAV\\CalDAV\\ResourceBooking\\RoomPrincipalBackend' => $baseDir . '/../lib/CalDAV/ResourceBooking/RoomPrincipalBackend.php',
-    'OCA\\DAV\\CalDAV\\Schedule\\IMipPlugin' => $baseDir . '/../lib/CalDAV/Schedule/IMipPlugin.php',
-    'OCA\\DAV\\CalDAV\\Schedule\\Plugin' => $baseDir . '/../lib/CalDAV/Schedule/Plugin.php',
-    'OCA\\DAV\\CalDAV\\Search\\SearchPlugin' => $baseDir . '/../lib/CalDAV/Search/SearchPlugin.php',
-    'OCA\\DAV\\CalDAV\\Search\\Xml\\Filter\\CompFilter' => $baseDir . '/../lib/CalDAV/Search/Xml/Filter/CompFilter.php',
-    'OCA\\DAV\\CalDAV\\Search\\Xml\\Filter\\LimitFilter' => $baseDir . '/../lib/CalDAV/Search/Xml/Filter/LimitFilter.php',
-    'OCA\\DAV\\CalDAV\\Search\\Xml\\Filter\\OffsetFilter' => $baseDir . '/../lib/CalDAV/Search/Xml/Filter/OffsetFilter.php',
-    'OCA\\DAV\\CalDAV\\Search\\Xml\\Filter\\ParamFilter' => $baseDir . '/../lib/CalDAV/Search/Xml/Filter/ParamFilter.php',
-    'OCA\\DAV\\CalDAV\\Search\\Xml\\Filter\\PropFilter' => $baseDir . '/../lib/CalDAV/Search/Xml/Filter/PropFilter.php',
-    'OCA\\DAV\\CalDAV\\Search\\Xml\\Filter\\SearchTermFilter' => $baseDir . '/../lib/CalDAV/Search/Xml/Filter/SearchTermFilter.php',
-    'OCA\\DAV\\CalDAV\\Search\\Xml\\Request\\CalendarSearchReport' => $baseDir . '/../lib/CalDAV/Search/Xml/Request/CalendarSearchReport.php',
-    'OCA\\DAV\\CalDAV\\WebcalCaching\\Plugin' => $baseDir . '/../lib/CalDAV/WebcalCaching/Plugin.php',
-    'OCA\\DAV\\CalDAV\\WebcalCaching\\RefreshWebcalService' => $baseDir . '/../lib/CalDAV/WebcalCaching/RefreshWebcalService.php',
-    'OCA\\DAV\\Capabilities' => $baseDir . '/../lib/Capabilities.php',
-    'OCA\\DAV\\CardDAV\\AddressBook' => $baseDir . '/../lib/CardDAV/AddressBook.php',
-    'OCA\\DAV\\CardDAV\\AddressBookImpl' => $baseDir . '/../lib/CardDAV/AddressBookImpl.php',
-    'OCA\\DAV\\CardDAV\\AddressBookRoot' => $baseDir . '/../lib/CardDAV/AddressBookRoot.php',
-    'OCA\\DAV\\CardDAV\\CardDavBackend' => $baseDir . '/../lib/CardDAV/CardDavBackend.php',
-    'OCA\\DAV\\CardDAV\\ContactsManager' => $baseDir . '/../lib/CardDAV/ContactsManager.php',
-    'OCA\\DAV\\CardDAV\\Converter' => $baseDir . '/../lib/CardDAV/Converter.php',
-    'OCA\\DAV\\CardDAV\\HasPhotoPlugin' => $baseDir . '/../lib/CardDAV/HasPhotoPlugin.php',
-    'OCA\\DAV\\CardDAV\\ImageExportPlugin' => $baseDir . '/../lib/CardDAV/ImageExportPlugin.php',
-    'OCA\\DAV\\CardDAV\\Integration\\ExternalAddressBook' => $baseDir . '/../lib/CardDAV/Integration/ExternalAddressBook.php',
-    'OCA\\DAV\\CardDAV\\Integration\\IAddressBookProvider' => $baseDir . '/../lib/CardDAV/Integration/IAddressBookProvider.php',
-    'OCA\\DAV\\CardDAV\\MultiGetExportPlugin' => $baseDir . '/../lib/CardDAV/MultiGetExportPlugin.php',
-    'OCA\\DAV\\CardDAV\\PhotoCache' => $baseDir . '/../lib/CardDAV/PhotoCache.php',
-    'OCA\\DAV\\CardDAV\\Plugin' => $baseDir . '/../lib/CardDAV/Plugin.php',
-    'OCA\\DAV\\CardDAV\\SyncService' => $baseDir . '/../lib/CardDAV/SyncService.php',
-    'OCA\\DAV\\CardDAV\\SystemAddressbook' => $baseDir . '/../lib/CardDAV/SystemAddressbook.php',
-    'OCA\\DAV\\CardDAV\\UserAddressBooks' => $baseDir . '/../lib/CardDAV/UserAddressBooks.php',
-    'OCA\\DAV\\CardDAV\\Xml\\Groups' => $baseDir . '/../lib/CardDAV/Xml/Groups.php',
-    'OCA\\DAV\\Command\\CreateAddressBook' => $baseDir . '/../lib/Command/CreateAddressBook.php',
-    'OCA\\DAV\\Command\\CreateCalendar' => $baseDir . '/../lib/Command/CreateCalendar.php',
-    'OCA\\DAV\\Command\\ListCalendars' => $baseDir . '/../lib/Command/ListCalendars.php',
-    'OCA\\DAV\\Command\\MoveCalendar' => $baseDir . '/../lib/Command/MoveCalendar.php',
-    'OCA\\DAV\\Command\\RemoveInvalidShares' => $baseDir . '/../lib/Command/RemoveInvalidShares.php',
-    'OCA\\DAV\\Command\\SendEventReminders' => $baseDir . '/../lib/Command/SendEventReminders.php',
-    'OCA\\DAV\\Command\\SyncBirthdayCalendar' => $baseDir . '/../lib/Command/SyncBirthdayCalendar.php',
-    'OCA\\DAV\\Command\\SyncSystemAddressBook' => $baseDir . '/../lib/Command/SyncSystemAddressBook.php',
-    'OCA\\DAV\\Comments\\CommentNode' => $baseDir . '/../lib/Comments/CommentNode.php',
-    'OCA\\DAV\\Comments\\CommentsPlugin' => $baseDir . '/../lib/Comments/CommentsPlugin.php',
-    'OCA\\DAV\\Comments\\EntityCollection' => $baseDir . '/../lib/Comments/EntityCollection.php',
-    'OCA\\DAV\\Comments\\EntityTypeCollection' => $baseDir . '/../lib/Comments/EntityTypeCollection.php',
-    'OCA\\DAV\\Comments\\RootCollection' => $baseDir . '/../lib/Comments/RootCollection.php',
-    'OCA\\DAV\\Connector\\LegacyDAVACL' => $baseDir . '/../lib/Connector/LegacyDAVACL.php',
-    'OCA\\DAV\\Connector\\PublicAuth' => $baseDir . '/../lib/Connector/PublicAuth.php',
-    'OCA\\DAV\\Connector\\Sabre\\AnonymousOptionsPlugin' => $baseDir . '/../lib/Connector/Sabre/AnonymousOptionsPlugin.php',
-    'OCA\\DAV\\Connector\\Sabre\\AppEnabledPlugin' => $baseDir . '/../lib/Connector/Sabre/AppEnabledPlugin.php',
-    'OCA\\DAV\\Connector\\Sabre\\Auth' => $baseDir . '/../lib/Connector/Sabre/Auth.php',
-    'OCA\\DAV\\Connector\\Sabre\\BearerAuth' => $baseDir . '/../lib/Connector/Sabre/BearerAuth.php',
-    'OCA\\DAV\\Connector\\Sabre\\BlockLegacyClientPlugin' => $baseDir . '/../lib/Connector/Sabre/BlockLegacyClientPlugin.php',
-    'OCA\\DAV\\Connector\\Sabre\\CachingTree' => $baseDir . '/../lib/Connector/Sabre/CachingTree.php',
-    'OCA\\DAV\\Connector\\Sabre\\ChecksumList' => $baseDir . '/../lib/Connector/Sabre/ChecksumList.php',
-    'OCA\\DAV\\Connector\\Sabre\\CommentPropertiesPlugin' => $baseDir . '/../lib/Connector/Sabre/CommentPropertiesPlugin.php',
-    'OCA\\DAV\\Connector\\Sabre\\CopyEtagHeaderPlugin' => $baseDir . '/../lib/Connector/Sabre/CopyEtagHeaderPlugin.php',
-    'OCA\\DAV\\Connector\\Sabre\\DavAclPlugin' => $baseDir . '/../lib/Connector/Sabre/DavAclPlugin.php',
-    'OCA\\DAV\\Connector\\Sabre\\Directory' => $baseDir . '/../lib/Connector/Sabre/Directory.php',
-    'OCA\\DAV\\Connector\\Sabre\\DummyGetResponsePlugin' => $baseDir . '/../lib/Connector/Sabre/DummyGetResponsePlugin.php',
-    'OCA\\DAV\\Connector\\Sabre\\ExceptionLoggerPlugin' => $baseDir . '/../lib/Connector/Sabre/ExceptionLoggerPlugin.php',
-    'OCA\\DAV\\Connector\\Sabre\\Exception\\EntityTooLarge' => $baseDir . '/../lib/Connector/Sabre/Exception/EntityTooLarge.php',
-    'OCA\\DAV\\Connector\\Sabre\\Exception\\FileLocked' => $baseDir . '/../lib/Connector/Sabre/Exception/FileLocked.php',
-    'OCA\\DAV\\Connector\\Sabre\\Exception\\Forbidden' => $baseDir . '/../lib/Connector/Sabre/Exception/Forbidden.php',
-    'OCA\\DAV\\Connector\\Sabre\\Exception\\InvalidPath' => $baseDir . '/../lib/Connector/Sabre/Exception/InvalidPath.php',
-    'OCA\\DAV\\Connector\\Sabre\\Exception\\PasswordLoginForbidden' => $baseDir . '/../lib/Connector/Sabre/Exception/PasswordLoginForbidden.php',
-    'OCA\\DAV\\Connector\\Sabre\\Exception\\UnsupportedMediaType' => $baseDir . '/../lib/Connector/Sabre/Exception/UnsupportedMediaType.php',
-    'OCA\\DAV\\Connector\\Sabre\\FakeLockerPlugin' => $baseDir . '/../lib/Connector/Sabre/FakeLockerPlugin.php',
-    'OCA\\DAV\\Connector\\Sabre\\File' => $baseDir . '/../lib/Connector/Sabre/File.php',
-    'OCA\\DAV\\Connector\\Sabre\\FilesPlugin' => $baseDir . '/../lib/Connector/Sabre/FilesPlugin.php',
-    'OCA\\DAV\\Connector\\Sabre\\FilesReportPlugin' => $baseDir . '/../lib/Connector/Sabre/FilesReportPlugin.php',
-    'OCA\\DAV\\Connector\\Sabre\\LockPlugin' => $baseDir . '/../lib/Connector/Sabre/LockPlugin.php',
-    'OCA\\DAV\\Connector\\Sabre\\MaintenancePlugin' => $baseDir . '/../lib/Connector/Sabre/MaintenancePlugin.php',
-    'OCA\\DAV\\Connector\\Sabre\\Node' => $baseDir . '/../lib/Connector/Sabre/Node.php',
-    'OCA\\DAV\\Connector\\Sabre\\ObjectTree' => $baseDir . '/../lib/Connector/Sabre/ObjectTree.php',
-    'OCA\\DAV\\Connector\\Sabre\\Principal' => $baseDir . '/../lib/Connector/Sabre/Principal.php',
-    'OCA\\DAV\\Connector\\Sabre\\PropfindCompressionPlugin' => $baseDir . '/../lib/Connector/Sabre/PropfindCompressionPlugin.php',
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+    'OCA\\DAV\\CardDAV\\SyncService' => $baseDir.'/../lib/CardDAV/SyncService.php',
+    'OCA\\DAV\\CardDAV\\SystemAddressbook' => $baseDir.'/../lib/CardDAV/SystemAddressbook.php',
+    'OCA\\DAV\\CardDAV\\UserAddressBooks' => $baseDir.'/../lib/CardDAV/UserAddressBooks.php',
+    'OCA\\DAV\\CardDAV\\Xml\\Groups' => $baseDir.'/../lib/CardDAV/Xml/Groups.php',
+    'OCA\\DAV\\Command\\CreateAddressBook' => $baseDir.'/../lib/Command/CreateAddressBook.php',
+    'OCA\\DAV\\Command\\CreateCalendar' => $baseDir.'/../lib/Command/CreateCalendar.php',
+    'OCA\\DAV\\Command\\ListCalendars' => $baseDir.'/../lib/Command/ListCalendars.php',
+    'OCA\\DAV\\Command\\MoveCalendar' => $baseDir.'/../lib/Command/MoveCalendar.php',
+    'OCA\\DAV\\Command\\RemoveInvalidShares' => $baseDir.'/../lib/Command/RemoveInvalidShares.php',
+    'OCA\\DAV\\Command\\SendEventReminders' => $baseDir.'/../lib/Command/SendEventReminders.php',
+    'OCA\\DAV\\Command\\SyncBirthdayCalendar' => $baseDir.'/../lib/Command/SyncBirthdayCalendar.php',
+    'OCA\\DAV\\Command\\SyncSystemAddressBook' => $baseDir.'/../lib/Command/SyncSystemAddressBook.php',
+    'OCA\\DAV\\Comments\\CommentNode' => $baseDir.'/../lib/Comments/CommentNode.php',
+    'OCA\\DAV\\Comments\\CommentsPlugin' => $baseDir.'/../lib/Comments/CommentsPlugin.php',
+    'OCA\\DAV\\Comments\\EntityCollection' => $baseDir.'/../lib/Comments/EntityCollection.php',
+    'OCA\\DAV\\Comments\\EntityTypeCollection' => $baseDir.'/../lib/Comments/EntityTypeCollection.php',
+    'OCA\\DAV\\Comments\\RootCollection' => $baseDir.'/../lib/Comments/RootCollection.php',
+    'OCA\\DAV\\Connector\\LegacyDAVACL' => $baseDir.'/../lib/Connector/LegacyDAVACL.php',
+    'OCA\\DAV\\Connector\\PublicAuth' => $baseDir.'/../lib/Connector/PublicAuth.php',
+    'OCA\\DAV\\Connector\\Sabre\\AnonymousOptionsPlugin' => $baseDir.'/../lib/Connector/Sabre/AnonymousOptionsPlugin.php',
+    'OCA\\DAV\\Connector\\Sabre\\AppEnabledPlugin' => $baseDir.'/../lib/Connector/Sabre/AppEnabledPlugin.php',
+    'OCA\\DAV\\Connector\\Sabre\\Auth' => $baseDir.'/../lib/Connector/Sabre/Auth.php',
+    'OCA\\DAV\\Connector\\Sabre\\BearerAuth' => $baseDir.'/../lib/Connector/Sabre/BearerAuth.php',
+    'OCA\\DAV\\Connector\\Sabre\\BlockLegacyClientPlugin' => $baseDir.'/../lib/Connector/Sabre/BlockLegacyClientPlugin.php',
+    'OCA\\DAV\\Connector\\Sabre\\CachingTree' => $baseDir.'/../lib/Connector/Sabre/CachingTree.php',
+    'OCA\\DAV\\Connector\\Sabre\\ChecksumList' => $baseDir.'/../lib/Connector/Sabre/ChecksumList.php',
+    'OCA\\DAV\\Connector\\Sabre\\CommentPropertiesPlugin' => $baseDir.'/../lib/Connector/Sabre/CommentPropertiesPlugin.php',
+    'OCA\\DAV\\Connector\\Sabre\\CopyEtagHeaderPlugin' => $baseDir.'/../lib/Connector/Sabre/CopyEtagHeaderPlugin.php',
+    'OCA\\DAV\\Connector\\Sabre\\DavAclPlugin' => $baseDir.'/../lib/Connector/Sabre/DavAclPlugin.php',
+    'OCA\\DAV\\Connector\\Sabre\\Directory' => $baseDir.'/../lib/Connector/Sabre/Directory.php',
+    'OCA\\DAV\\Connector\\Sabre\\DummyGetResponsePlugin' => $baseDir.'/../lib/Connector/Sabre/DummyGetResponsePlugin.php',
+    'OCA\\DAV\\Connector\\Sabre\\ExceptionLoggerPlugin' => $baseDir.'/../lib/Connector/Sabre/ExceptionLoggerPlugin.php',
+    'OCA\\DAV\\Connector\\Sabre\\Exception\\EntityTooLarge' => $baseDir.'/../lib/Connector/Sabre/Exception/EntityTooLarge.php',
+    'OCA\\DAV\\Connector\\Sabre\\Exception\\FileLocked' => $baseDir.'/../lib/Connector/Sabre/Exception/FileLocked.php',
+    'OCA\\DAV\\Connector\\Sabre\\Exception\\Forbidden' => $baseDir.'/../lib/Connector/Sabre/Exception/Forbidden.php',
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+    'OCA\\DAV\\Connector\\Sabre\\FakeLockerPlugin' => $baseDir.'/../lib/Connector/Sabre/FakeLockerPlugin.php',
+    'OCA\\DAV\\Connector\\Sabre\\File' => $baseDir.'/../lib/Connector/Sabre/File.php',
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+    'OCA\\DAV\\Connector\\Sabre\\FilesReportPlugin' => $baseDir.'/../lib/Connector/Sabre/FilesReportPlugin.php',
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+    'OCA\\DAV\\Connector\\Sabre\\Principal' => $baseDir.'/../lib/Connector/Sabre/Principal.php',
+    'OCA\\DAV\\Connector\\Sabre\\PropfindCompressionPlugin' => $baseDir.'/../lib/Connector/Sabre/PropfindCompressionPlugin.php',
+    'OCA\\DAV\\Connector\\Sabre\\QuotaPlugin' => $baseDir.'/../lib/Connector/Sabre/QuotaPlugin.php',
+    'OCA\\DAV\\Connector\\Sabre\\Server' => $baseDir.'/../lib/Connector/Sabre/Server.php',
+    'OCA\\DAV\\Connector\\Sabre\\ServerFactory' => $baseDir.'/../lib/Connector/Sabre/ServerFactory.php',
+    'OCA\\DAV\\Connector\\Sabre\\ShareTypeList' => $baseDir.'/../lib/Connector/Sabre/ShareTypeList.php',
+    'OCA\\DAV\\Connector\\Sabre\\ShareeList' => $baseDir.'/../lib/Connector/Sabre/ShareeList.php',
+    'OCA\\DAV\\Connector\\Sabre\\SharesPlugin' => $baseDir.'/../lib/Connector/Sabre/SharesPlugin.php',
+    'OCA\\DAV\\Connector\\Sabre\\TagList' => $baseDir.'/../lib/Connector/Sabre/TagList.php',
+    'OCA\\DAV\\Connector\\Sabre\\TagsPlugin' => $baseDir.'/../lib/Connector/Sabre/TagsPlugin.php',
+    'OCA\\DAV\\Controller\\BirthdayCalendarController' => $baseDir.'/../lib/Controller/BirthdayCalendarController.php',
+    'OCA\\DAV\\Controller\\DirectController' => $baseDir.'/../lib/Controller/DirectController.php',
+    'OCA\\DAV\\Controller\\InvitationResponseController' => $baseDir.'/../lib/Controller/InvitationResponseController.php',
+    'OCA\\DAV\\DAV\\CustomPropertiesBackend' => $baseDir.'/../lib/DAV/CustomPropertiesBackend.php',
+    'OCA\\DAV\\DAV\\GroupPrincipalBackend' => $baseDir.'/../lib/DAV/GroupPrincipalBackend.php',
+    'OCA\\DAV\\DAV\\PublicAuth' => $baseDir.'/../lib/DAV/PublicAuth.php',
+    'OCA\\DAV\\DAV\\Sharing\\Backend' => $baseDir.'/../lib/DAV/Sharing/Backend.php',
+    'OCA\\DAV\\DAV\\Sharing\\IShareable' => $baseDir.'/../lib/DAV/Sharing/IShareable.php',
+    'OCA\\DAV\\DAV\\Sharing\\Plugin' => $baseDir.'/../lib/DAV/Sharing/Plugin.php',
+    'OCA\\DAV\\DAV\\Sharing\\Xml\\Invite' => $baseDir.'/../lib/DAV/Sharing/Xml/Invite.php',
+    'OCA\\DAV\\DAV\\Sharing\\Xml\\ShareRequest' => $baseDir.'/../lib/DAV/Sharing/Xml/ShareRequest.php',
+    'OCA\\DAV\\DAV\\SystemPrincipalBackend' => $baseDir.'/../lib/DAV/SystemPrincipalBackend.php',
+    'OCA\\DAV\\Db\\Direct' => $baseDir.'/../lib/Db/Direct.php',
+    'OCA\\DAV\\Db\\DirectMapper' => $baseDir.'/../lib/Db/DirectMapper.php',
+    'OCA\\DAV\\Direct\\DirectFile' => $baseDir.'/../lib/Direct/DirectFile.php',
+    'OCA\\DAV\\Direct\\DirectHome' => $baseDir.'/../lib/Direct/DirectHome.php',
+    'OCA\\DAV\\Direct\\Server' => $baseDir.'/../lib/Direct/Server.php',
+    'OCA\\DAV\\Direct\\ServerFactory' => $baseDir.'/../lib/Direct/ServerFactory.php',
+    'OCA\\DAV\\Events\\AddressBookCreatedEvent' => $baseDir.'/../lib/Events/AddressBookCreatedEvent.php',
+    'OCA\\DAV\\Events\\AddressBookDeletedEvent' => $baseDir.'/../lib/Events/AddressBookDeletedEvent.php',
+    'OCA\\DAV\\Events\\AddressBookShareUpdatedEvent' => $baseDir.'/../lib/Events/AddressBookShareUpdatedEvent.php',
+    'OCA\\DAV\\Events\\AddressBookUpdatedEvent' => $baseDir.'/../lib/Events/AddressBookUpdatedEvent.php',
+    'OCA\\DAV\\Events\\CachedCalendarObjectCreatedEvent' => $baseDir.'/../lib/Events/CachedCalendarObjectCreatedEvent.php',
+    'OCA\\DAV\\Events\\CachedCalendarObjectDeletedEvent' => $baseDir.'/../lib/Events/CachedCalendarObjectDeletedEvent.php',
+    'OCA\\DAV\\Events\\CachedCalendarObjectUpdatedEvent' => $baseDir.'/../lib/Events/CachedCalendarObjectUpdatedEvent.php',
+    'OCA\\DAV\\Events\\CalendarCreatedEvent' => $baseDir.'/../lib/Events/CalendarCreatedEvent.php',
+    'OCA\\DAV\\Events\\CalendarDeletedEvent' => $baseDir.'/../lib/Events/CalendarDeletedEvent.php',
+    'OCA\\DAV\\Events\\CalendarObjectCreatedEvent' => $baseDir.'/../lib/Events/CalendarObjectCreatedEvent.php',
+    'OCA\\DAV\\Events\\CalendarObjectDeletedEvent' => $baseDir.'/../lib/Events/CalendarObjectDeletedEvent.php',
+    'OCA\\DAV\\Events\\CalendarObjectUpdatedEvent' => $baseDir.'/../lib/Events/CalendarObjectUpdatedEvent.php',
+    'OCA\\DAV\\Events\\CalendarPublishedEvent' => $baseDir.'/../lib/Events/CalendarPublishedEvent.php',
+    'OCA\\DAV\\Events\\CalendarShareUpdatedEvent' => $baseDir.'/../lib/Events/CalendarShareUpdatedEvent.php',
+    'OCA\\DAV\\Events\\CalendarUnpublishedEvent' => $baseDir.'/../lib/Events/CalendarUnpublishedEvent.php',
+    'OCA\\DAV\\Events\\CalendarUpdatedEvent' => $baseDir.'/../lib/Events/CalendarUpdatedEvent.php',
+    'OCA\\DAV\\Events\\CardCreatedEvent' => $baseDir.'/../lib/Events/CardCreatedEvent.php',
+    'OCA\\DAV\\Events\\CardDeletedEvent' => $baseDir.'/../lib/Events/CardDeletedEvent.php',
+    'OCA\\DAV\\Events\\CardUpdatedEvent' => $baseDir.'/../lib/Events/CardUpdatedEvent.php',
+    'OCA\\DAV\\Events\\SabrePluginAuthInitEvent' => $baseDir.'/../lib/Events/SabrePluginAuthInitEvent.php',
+    'OCA\\DAV\\Events\\SubscriptionCreatedEvent' => $baseDir.'/../lib/Events/SubscriptionCreatedEvent.php',
+    'OCA\\DAV\\Events\\SubscriptionDeletedEvent' => $baseDir.'/../lib/Events/SubscriptionDeletedEvent.php',
+    'OCA\\DAV\\Events\\SubscriptionUpdatedEvent' => $baseDir.'/../lib/Events/SubscriptionUpdatedEvent.php',
+    'OCA\\DAV\\Exception\\UnsupportedLimitOnInitialSyncException' => $baseDir.'/../lib/Exception/UnsupportedLimitOnInitialSyncException.php',
+    'OCA\\DAV\\Files\\BrowserErrorPagePlugin' => $baseDir.'/../lib/Files/BrowserErrorPagePlugin.php',
+    'OCA\\DAV\\Files\\FileSearchBackend' => $baseDir.'/../lib/Files/FileSearchBackend.php',
+    'OCA\\DAV\\Files\\FilesHome' => $baseDir.'/../lib/Files/FilesHome.php',
+    'OCA\\DAV\\Files\\LazySearchBackend' => $baseDir.'/../lib/Files/LazySearchBackend.php',
+    'OCA\\DAV\\Files\\RootCollection' => $baseDir.'/../lib/Files/RootCollection.php',
+    'OCA\\DAV\\Files\\Sharing\\FilesDropPlugin' => $baseDir.'/../lib/Files/Sharing/FilesDropPlugin.php',
+    'OCA\\DAV\\Files\\Sharing\\PublicLinkCheckPlugin' => $baseDir.'/../lib/Files/Sharing/PublicLinkCheckPlugin.php',
+    'OCA\\DAV\\HookManager' => $baseDir.'/../lib/HookManager.php',
+    'OCA\\DAV\\Migration\\BuildCalendarSearchIndex' => $baseDir.'/../lib/Migration/BuildCalendarSearchIndex.php',
+    'OCA\\DAV\\Migration\\BuildCalendarSearchIndexBackgroundJob' => $baseDir.'/../lib/Migration/BuildCalendarSearchIndexBackgroundJob.php',
+    'OCA\\DAV\\Migration\\CalDAVRemoveEmptyValue' => $baseDir.'/../lib/Migration/CalDAVRemoveEmptyValue.php',
+    'OCA\\DAV\\Migration\\ChunkCleanup' => $baseDir.'/../lib/Migration/ChunkCleanup.php',
+    'OCA\\DAV\\Migration\\FixBirthdayCalendarComponent' => $baseDir.'/../lib/Migration/FixBirthdayCalendarComponent.php',
+    'OCA\\DAV\\Migration\\RefreshWebcalJobRegistrar' => $baseDir.'/../lib/Migration/RefreshWebcalJobRegistrar.php',
+    'OCA\\DAV\\Migration\\RegenerateBirthdayCalendars' => $baseDir.'/../lib/Migration/RegenerateBirthdayCalendars.php',
+    'OCA\\DAV\\Migration\\RegisterBuildReminderIndexBackgroundJob' => $baseDir.'/../lib/Migration/RegisterBuildReminderIndexBackgroundJob.php',
+    'OCA\\DAV\\Migration\\RemoveClassifiedEventActivity' => $baseDir.'/../lib/Migration/RemoveClassifiedEventActivity.php',
+    'OCA\\DAV\\Migration\\RemoveOrphanEventsAndContacts' => $baseDir.'/../lib/Migration/RemoveOrphanEventsAndContacts.php',
+    'OCA\\DAV\\Migration\\Version1004Date20170825134824' => $baseDir.'/../lib/Migration/Version1004Date20170825134824.php',
+    'OCA\\DAV\\Migration\\Version1004Date20170919104507' => $baseDir.'/../lib/Migration/Version1004Date20170919104507.php',
+    'OCA\\DAV\\Migration\\Version1004Date20170924124212' => $baseDir.'/../lib/Migration/Version1004Date20170924124212.php',
+    'OCA\\DAV\\Migration\\Version1004Date20170926103422' => $baseDir.'/../lib/Migration/Version1004Date20170926103422.php',
+    'OCA\\DAV\\Migration\\Version1005Date20180413093149' => $baseDir.'/../lib/Migration/Version1005Date20180413093149.php',
+    'OCA\\DAV\\Migration\\Version1005Date20180530124431' => $baseDir.'/../lib/Migration/Version1005Date20180530124431.php',
+    'OCA\\DAV\\Migration\\Version1006Date20180619154313' => $baseDir.'/../lib/Migration/Version1006Date20180619154313.php',
+    'OCA\\DAV\\Migration\\Version1006Date20180628111625' => $baseDir.'/../lib/Migration/Version1006Date20180628111625.php',
+    'OCA\\DAV\\Migration\\Version1008Date20181030113700' => $baseDir.'/../lib/Migration/Version1008Date20181030113700.php',
+    'OCA\\DAV\\Migration\\Version1008Date20181105104826' => $baseDir.'/../lib/Migration/Version1008Date20181105104826.php',
+    'OCA\\DAV\\Migration\\Version1008Date20181105104833' => $baseDir.'/../lib/Migration/Version1008Date20181105104833.php',
+    'OCA\\DAV\\Migration\\Version1008Date20181105110300' => $baseDir.'/../lib/Migration/Version1008Date20181105110300.php',
+    'OCA\\DAV\\Migration\\Version1008Date20181105112049' => $baseDir.'/../lib/Migration/Version1008Date20181105112049.php',
+    'OCA\\DAV\\Migration\\Version1008Date20181114084440' => $baseDir.'/../lib/Migration/Version1008Date20181114084440.php',
+    'OCA\\DAV\\Migration\\Version1011Date20190725113607' => $baseDir.'/../lib/Migration/Version1011Date20190725113607.php',
+    'OCA\\DAV\\Migration\\Version1011Date20190806104428' => $baseDir.'/../lib/Migration/Version1011Date20190806104428.php',
+    'OCA\\DAV\\Migration\\Version1012Date20190808122342' => $baseDir.'/../lib/Migration/Version1012Date20190808122342.php',
+    'OCA\\DAV\\Migration\\Version1016Date20201109085907' => $baseDir.'/../lib/Migration/Version1016Date20201109085907.php',
+    'OCA\\DAV\\Provisioning\\Apple\\AppleProvisioningNode' => $baseDir.'/../lib/Provisioning/Apple/AppleProvisioningNode.php',
+    'OCA\\DAV\\Provisioning\\Apple\\AppleProvisioningPlugin' => $baseDir.'/../lib/Provisioning/Apple/AppleProvisioningPlugin.php',
+    'OCA\\DAV\\RootCollection' => $baseDir.'/../lib/RootCollection.php',
+    'OCA\\DAV\\Search\\ACalendarSearchProvider' => $baseDir.'/../lib/Search/ACalendarSearchProvider.php',
+    'OCA\\DAV\\Search\\ContactsSearchProvider' => $baseDir.'/../lib/Search/ContactsSearchProvider.php',
+    'OCA\\DAV\\Search\\EventsSearchProvider' => $baseDir.'/../lib/Search/EventsSearchProvider.php',
+    'OCA\\DAV\\Search\\TasksSearchProvider' => $baseDir.'/../lib/Search/TasksSearchProvider.php',
+    'OCA\\DAV\\Server' => $baseDir.'/../lib/Server.php',
+    'OCA\\DAV\\Settings\\CalDAVSettings' => $baseDir.'/../lib/Settings/CalDAVSettings.php',
+    'OCA\\DAV\\Storage\\PublicOwnerWrapper' => $baseDir.'/../lib/Storage/PublicOwnerWrapper.php',
+    'OCA\\DAV\\SystemTag\\SystemTagMappingNode' => $baseDir.'/../lib/SystemTag/SystemTagMappingNode.php',
+    'OCA\\DAV\\SystemTag\\SystemTagNode' => $baseDir.'/../lib/SystemTag/SystemTagNode.php',
+    'OCA\\DAV\\SystemTag\\SystemTagPlugin' => $baseDir.'/../lib/SystemTag/SystemTagPlugin.php',
+    'OCA\\DAV\\SystemTag\\SystemTagsByIdCollection' => $baseDir.'/../lib/SystemTag/SystemTagsByIdCollection.php',
+    'OCA\\DAV\\SystemTag\\SystemTagsObjectMappingCollection' => $baseDir.'/../lib/SystemTag/SystemTagsObjectMappingCollection.php',
+    'OCA\\DAV\\SystemTag\\SystemTagsObjectTypeCollection' => $baseDir.'/../lib/SystemTag/SystemTagsObjectTypeCollection.php',
+    'OCA\\DAV\\SystemTag\\SystemTagsRelationsCollection' => $baseDir.'/../lib/SystemTag/SystemTagsRelationsCollection.php',
+    'OCA\\DAV\\Traits\\PrincipalProxyTrait' => $baseDir.'/../lib/Traits/PrincipalProxyTrait.php',
+    'OCA\\DAV\\Upload\\AssemblyStream' => $baseDir.'/../lib/Upload/AssemblyStream.php',
+    'OCA\\DAV\\Upload\\ChunkingPlugin' => $baseDir.'/../lib/Upload/ChunkingPlugin.php',
+    'OCA\\DAV\\Upload\\CleanupService' => $baseDir.'/../lib/Upload/CleanupService.php',
+    'OCA\\DAV\\Upload\\FutureFile' => $baseDir.'/../lib/Upload/FutureFile.php',
+    'OCA\\DAV\\Upload\\RootCollection' => $baseDir.'/../lib/Upload/RootCollection.php',
+    'OCA\\DAV\\Upload\\UploadFile' => $baseDir.'/../lib/Upload/UploadFile.php',
+    'OCA\\DAV\\Upload\\UploadFolder' => $baseDir.'/../lib/Upload/UploadFolder.php',
+    'OCA\\DAV\\Upload\\UploadHome' => $baseDir.'/../lib/Upload/UploadHome.php',
 );

apps/dav/composer/composer/autoload_static.php

Spacing +258 added lines, -258 removed lines

@@ -6,277 +6,277 @@
 
 class ComposerStaticInitDAV
 {
-    public static $prefixLengthsPsr4 = array (
+    public static $prefixLengthsPsr4 = array(
         'O' => 
-        array (
+        array(
             'OCA\\DAV\\' => 8,
         ),
     );
 
-    public static $prefixDirsPsr4 = array (
+    public static $prefixDirsPsr4 = array(
         'OCA\\DAV\\' => 
-        array (
-            0 => __DIR__ . '/..' . '/../lib',
+        array(
+            0 => __DIR__.'/..'.'/../lib',
         ),
     );
 
-    public static $classMap = array (
-        'OCA\\DAV\\AppInfo\\Application' => __DIR__ . '/..' . '/../lib/AppInfo/Application.php',
-        'OCA\\DAV\\AppInfo\\PluginManager' => __DIR__ . '/..' . '/../lib/AppInfo/PluginManager.php',
-        'OCA\\DAV\\Avatars\\AvatarHome' => __DIR__ . '/..' . '/../lib/Avatars/AvatarHome.php',
-        'OCA\\DAV\\Avatars\\AvatarNode' => __DIR__ . '/..' . '/../lib/Avatars/AvatarNode.php',
-        'OCA\\DAV\\Avatars\\RootCollection' => __DIR__ . '/..' . '/../lib/Avatars/RootCollection.php',
-        'OCA\\DAV\\BackgroundJob\\BuildReminderIndexBackgroundJob' => __DIR__ . '/..' . '/../lib/BackgroundJob/BuildReminderIndexBackgroundJob.php',
-        'OCA\\DAV\\BackgroundJob\\CleanupDirectLinksJob' => __DIR__ . '/..' . '/../lib/BackgroundJob/CleanupDirectLinksJob.php',
-        'OCA\\DAV\\BackgroundJob\\CleanupInvitationTokenJob' => __DIR__ . '/..' . '/../lib/BackgroundJob/CleanupInvitationTokenJob.php',
-        'OCA\\DAV\\BackgroundJob\\EventReminderJob' => __DIR__ . '/..' . '/../lib/BackgroundJob/EventReminderJob.php',
-        'OCA\\DAV\\BackgroundJob\\GenerateBirthdayCalendarBackgroundJob' => __DIR__ . '/..' . '/../lib/BackgroundJob/GenerateBirthdayCalendarBackgroundJob.php',
-        'OCA\\DAV\\BackgroundJob\\RefreshWebcalJob' => __DIR__ . '/..' . '/../lib/BackgroundJob/RefreshWebcalJob.php',
-        'OCA\\DAV\\BackgroundJob\\RegisterRegenerateBirthdayCalendars' => __DIR__ . '/..' . '/../lib/BackgroundJob/RegisterRegenerateBirthdayCalendars.php',
-        'OCA\\DAV\\BackgroundJob\\UpdateCalendarResourcesRoomsBackgroundJob' => __DIR__ . '/..' . '/../lib/BackgroundJob/UpdateCalendarResourcesRoomsBackgroundJob.php',
-        'OCA\\DAV\\BackgroundJob\\UploadCleanup' => __DIR__ . '/..' . '/../lib/BackgroundJob/UploadCleanup.php',
-        'OCA\\DAV\\CalDAV\\Activity\\Backend' => __DIR__ . '/..' . '/../lib/CalDAV/Activity/Backend.php',
-        'OCA\\DAV\\CalDAV\\Activity\\Filter\\Calendar' => __DIR__ . '/..' . '/../lib/CalDAV/Activity/Filter/Calendar.php',
-        'OCA\\DAV\\CalDAV\\Activity\\Filter\\Todo' => __DIR__ . '/..' . '/../lib/CalDAV/Activity/Filter/Todo.php',
-        'OCA\\DAV\\CalDAV\\Activity\\Provider\\Base' => __DIR__ . '/..' . '/../lib/CalDAV/Activity/Provider/Base.php',
-        'OCA\\DAV\\CalDAV\\Activity\\Provider\\Calendar' => __DIR__ . '/..' . '/../lib/CalDAV/Activity/Provider/Calendar.php',
-        'OCA\\DAV\\CalDAV\\Activity\\Provider\\Event' => __DIR__ . '/..' . '/../lib/CalDAV/Activity/Provider/Event.php',
-        'OCA\\DAV\\CalDAV\\Activity\\Provider\\Todo' => __DIR__ . '/..' . '/../lib/CalDAV/Activity/Provider/Todo.php',
-        'OCA\\DAV\\CalDAV\\Activity\\Setting\\CalDAVSetting' => __DIR__ . '/..' . '/../lib/CalDAV/Activity/Setting/CalDAVSetting.php',
-        'OCA\\DAV\\CalDAV\\Activity\\Setting\\Calendar' => __DIR__ . '/..' . '/../lib/CalDAV/Activity/Setting/Calendar.php',
-        'OCA\\DAV\\CalDAV\\Activity\\Setting\\Event' => __DIR__ . '/..' . '/../lib/CalDAV/Activity/Setting/Event.php',
-        'OCA\\DAV\\CalDAV\\Activity\\Setting\\Todo' => __DIR__ . '/..' . '/../lib/CalDAV/Activity/Setting/Todo.php',
-        'OCA\\DAV\\CalDAV\\BirthdayCalendar\\EnablePlugin' => __DIR__ . '/..' . '/../lib/CalDAV/BirthdayCalendar/EnablePlugin.php',
-        'OCA\\DAV\\CalDAV\\BirthdayService' => __DIR__ . '/..' . '/../lib/CalDAV/BirthdayService.php',
-        'OCA\\DAV\\CalDAV\\CachedSubscription' => __DIR__ . '/..' . '/../lib/CalDAV/CachedSubscription.php',
-        'OCA\\DAV\\CalDAV\\CachedSubscriptionObject' => __DIR__ . '/..' . '/../lib/CalDAV/CachedSubscriptionObject.php',
-        'OCA\\DAV\\CalDAV\\CalDavBackend' => __DIR__ . '/..' . '/../lib/CalDAV/CalDavBackend.php',
-        'OCA\\DAV\\CalDAV\\Calendar' => __DIR__ . '/..' . '/../lib/CalDAV/Calendar.php',
-        'OCA\\DAV\\CalDAV\\CalendarHome' => __DIR__ . '/..' . '/../lib/CalDAV/CalendarHome.php',
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+        'OCA\\DAV\\CalDAV\\ResourceBooking\\RoomPrincipalBackend' => __DIR__.'/..'.'/../lib/CalDAV/ResourceBooking/RoomPrincipalBackend.php',
+        'OCA\\DAV\\CalDAV\\Schedule\\IMipPlugin' => __DIR__.'/..'.'/../lib/CalDAV/Schedule/IMipPlugin.php',
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+        'OCA\\DAV\\CalDAV\\Search\\Xml\\Filter\\CompFilter' => __DIR__.'/..'.'/../lib/CalDAV/Search/Xml/Filter/CompFilter.php',
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+        'OCA\\DAV\\CardDAV\\Converter' => __DIR__.'/..'.'/../lib/CardDAV/Converter.php',
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+        'OCA\\DAV\\CardDAV\\MultiGetExportPlugin' => __DIR__.'/..'.'/../lib/CardDAV/MultiGetExportPlugin.php',
+        'OCA\\DAV\\CardDAV\\PhotoCache' => __DIR__.'/..'.'/../lib/CardDAV/PhotoCache.php',
+        'OCA\\DAV\\CardDAV\\Plugin' => __DIR__.'/..'.'/../lib/CardDAV/Plugin.php',
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+        'OCA\\DAV\\Command\\CreateAddressBook' => __DIR__.'/..'.'/../lib/Command/CreateAddressBook.php',
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+        'OCA\\DAV\\Command\\MoveCalendar' => __DIR__.'/..'.'/../lib/Command/MoveCalendar.php',
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+        'OCA\\DAV\\Connector\\PublicAuth' => __DIR__.'/..'.'/../lib/Connector/PublicAuth.php',
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+        'OCA\\DAV\\Connector\\Sabre\\ChecksumList' => __DIR__.'/..'.'/../lib/Connector/Sabre/ChecksumList.php',
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+        'OCA\\DAV\\Connector\\Sabre\\DavAclPlugin' => __DIR__.'/..'.'/../lib/Connector/Sabre/DavAclPlugin.php',
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+        'OCA\\DAV\\Connector\\Sabre\\ServerFactory' => __DIR__.'/..'.'/../lib/Connector/Sabre/ServerFactory.php',
+        'OCA\\DAV\\Connector\\Sabre\\ShareTypeList' => __DIR__.'/..'.'/../lib/Connector/Sabre/ShareTypeList.php',
+        'OCA\\DAV\\Connector\\Sabre\\ShareeList' => __DIR__.'/..'.'/../lib/Connector/Sabre/ShareeList.php',
+        'OCA\\DAV\\Connector\\Sabre\\SharesPlugin' => __DIR__.'/..'.'/../lib/Connector/Sabre/SharesPlugin.php',
+        'OCA\\DAV\\Connector\\Sabre\\TagList' => __DIR__.'/..'.'/../lib/Connector/Sabre/TagList.php',
+        'OCA\\DAV\\Connector\\Sabre\\TagsPlugin' => __DIR__.'/..'.'/../lib/Connector/Sabre/TagsPlugin.php',
+        'OCA\\DAV\\Controller\\BirthdayCalendarController' => __DIR__.'/..'.'/../lib/Controller/BirthdayCalendarController.php',
+        'OCA\\DAV\\Controller\\DirectController' => __DIR__.'/..'.'/../lib/Controller/DirectController.php',
+        'OCA\\DAV\\Controller\\InvitationResponseController' => __DIR__.'/..'.'/../lib/Controller/InvitationResponseController.php',
+        'OCA\\DAV\\DAV\\CustomPropertiesBackend' => __DIR__.'/..'.'/../lib/DAV/CustomPropertiesBackend.php',
+        'OCA\\DAV\\DAV\\GroupPrincipalBackend' => __DIR__.'/..'.'/../lib/DAV/GroupPrincipalBackend.php',
+        'OCA\\DAV\\DAV\\PublicAuth' => __DIR__.'/..'.'/../lib/DAV/PublicAuth.php',
+        'OCA\\DAV\\DAV\\Sharing\\Backend' => __DIR__.'/..'.'/../lib/DAV/Sharing/Backend.php',
+        'OCA\\DAV\\DAV\\Sharing\\IShareable' => __DIR__.'/..'.'/../lib/DAV/Sharing/IShareable.php',
+        'OCA\\DAV\\DAV\\Sharing\\Plugin' => __DIR__.'/..'.'/../lib/DAV/Sharing/Plugin.php',
+        'OCA\\DAV\\DAV\\Sharing\\Xml\\Invite' => __DIR__.'/..'.'/../lib/DAV/Sharing/Xml/Invite.php',
+        'OCA\\DAV\\DAV\\Sharing\\Xml\\ShareRequest' => __DIR__.'/..'.'/../lib/DAV/Sharing/Xml/ShareRequest.php',
+        'OCA\\DAV\\DAV\\SystemPrincipalBackend' => __DIR__.'/..'.'/../lib/DAV/SystemPrincipalBackend.php',
+        'OCA\\DAV\\Db\\Direct' => __DIR__.'/..'.'/../lib/Db/Direct.php',
+        'OCA\\DAV\\Db\\DirectMapper' => __DIR__.'/..'.'/../lib/Db/DirectMapper.php',
+        'OCA\\DAV\\Direct\\DirectFile' => __DIR__.'/..'.'/../lib/Direct/DirectFile.php',
+        'OCA\\DAV\\Direct\\DirectHome' => __DIR__.'/..'.'/../lib/Direct/DirectHome.php',
+        'OCA\\DAV\\Direct\\Server' => __DIR__.'/..'.'/../lib/Direct/Server.php',
+        'OCA\\DAV\\Direct\\ServerFactory' => __DIR__.'/..'.'/../lib/Direct/ServerFactory.php',
+        'OCA\\DAV\\Events\\AddressBookCreatedEvent' => __DIR__.'/..'.'/../lib/Events/AddressBookCreatedEvent.php',
+        'OCA\\DAV\\Events\\AddressBookDeletedEvent' => __DIR__.'/..'.'/../lib/Events/AddressBookDeletedEvent.php',
+        'OCA\\DAV\\Events\\AddressBookShareUpdatedEvent' => __DIR__.'/..'.'/../lib/Events/AddressBookShareUpdatedEvent.php',
+        'OCA\\DAV\\Events\\AddressBookUpdatedEvent' => __DIR__.'/..'.'/../lib/Events/AddressBookUpdatedEvent.php',
+        'OCA\\DAV\\Events\\CachedCalendarObjectCreatedEvent' => __DIR__.'/..'.'/../lib/Events/CachedCalendarObjectCreatedEvent.php',
+        'OCA\\DAV\\Events\\CachedCalendarObjectDeletedEvent' => __DIR__.'/..'.'/../lib/Events/CachedCalendarObjectDeletedEvent.php',
+        'OCA\\DAV\\Events\\CachedCalendarObjectUpdatedEvent' => __DIR__.'/..'.'/../lib/Events/CachedCalendarObjectUpdatedEvent.php',
+        'OCA\\DAV\\Events\\CalendarCreatedEvent' => __DIR__.'/..'.'/../lib/Events/CalendarCreatedEvent.php',
+        'OCA\\DAV\\Events\\CalendarDeletedEvent' => __DIR__.'/..'.'/../lib/Events/CalendarDeletedEvent.php',
+        'OCA\\DAV\\Events\\CalendarObjectCreatedEvent' => __DIR__.'/..'.'/../lib/Events/CalendarObjectCreatedEvent.php',
+        'OCA\\DAV\\Events\\CalendarObjectDeletedEvent' => __DIR__.'/..'.'/../lib/Events/CalendarObjectDeletedEvent.php',
+        'OCA\\DAV\\Events\\CalendarObjectUpdatedEvent' => __DIR__.'/..'.'/../lib/Events/CalendarObjectUpdatedEvent.php',
+        'OCA\\DAV\\Events\\CalendarPublishedEvent' => __DIR__.'/..'.'/../lib/Events/CalendarPublishedEvent.php',
+        'OCA\\DAV\\Events\\CalendarShareUpdatedEvent' => __DIR__.'/..'.'/../lib/Events/CalendarShareUpdatedEvent.php',
+        'OCA\\DAV\\Events\\CalendarUnpublishedEvent' => __DIR__.'/..'.'/../lib/Events/CalendarUnpublishedEvent.php',
+        'OCA\\DAV\\Events\\CalendarUpdatedEvent' => __DIR__.'/..'.'/../lib/Events/CalendarUpdatedEvent.php',
+        'OCA\\DAV\\Events\\CardCreatedEvent' => __DIR__.'/..'.'/../lib/Events/CardCreatedEvent.php',
+        'OCA\\DAV\\Events\\CardDeletedEvent' => __DIR__.'/..'.'/../lib/Events/CardDeletedEvent.php',
+        'OCA\\DAV\\Events\\CardUpdatedEvent' => __DIR__.'/..'.'/../lib/Events/CardUpdatedEvent.php',
+        'OCA\\DAV\\Events\\SabrePluginAuthInitEvent' => __DIR__.'/..'.'/../lib/Events/SabrePluginAuthInitEvent.php',
+        'OCA\\DAV\\Events\\SubscriptionCreatedEvent' => __DIR__.'/..'.'/../lib/Events/SubscriptionCreatedEvent.php',
+        'OCA\\DAV\\Events\\SubscriptionDeletedEvent' => __DIR__.'/..'.'/../lib/Events/SubscriptionDeletedEvent.php',
+        'OCA\\DAV\\Events\\SubscriptionUpdatedEvent' => __DIR__.'/..'.'/../lib/Events/SubscriptionUpdatedEvent.php',
+        'OCA\\DAV\\Exception\\UnsupportedLimitOnInitialSyncException' => __DIR__.'/..'.'/../lib/Exception/UnsupportedLimitOnInitialSyncException.php',
+        'OCA\\DAV\\Files\\BrowserErrorPagePlugin' => __DIR__.'/..'.'/../lib/Files/BrowserErrorPagePlugin.php',
+        'OCA\\DAV\\Files\\FileSearchBackend' => __DIR__.'/..'.'/../lib/Files/FileSearchBackend.php',
+        'OCA\\DAV\\Files\\FilesHome' => __DIR__.'/..'.'/../lib/Files/FilesHome.php',
+        'OCA\\DAV\\Files\\LazySearchBackend' => __DIR__.'/..'.'/../lib/Files/LazySearchBackend.php',
+        'OCA\\DAV\\Files\\RootCollection' => __DIR__.'/..'.'/../lib/Files/RootCollection.php',
+        'OCA\\DAV\\Files\\Sharing\\FilesDropPlugin' => __DIR__.'/..'.'/../lib/Files/Sharing/FilesDropPlugin.php',
+        'OCA\\DAV\\Files\\Sharing\\PublicLinkCheckPlugin' => __DIR__.'/..'.'/../lib/Files/Sharing/PublicLinkCheckPlugin.php',
+        'OCA\\DAV\\HookManager' => __DIR__.'/..'.'/../lib/HookManager.php',
+        'OCA\\DAV\\Migration\\BuildCalendarSearchIndex' => __DIR__.'/..'.'/../lib/Migration/BuildCalendarSearchIndex.php',
+        'OCA\\DAV\\Migration\\BuildCalendarSearchIndexBackgroundJob' => __DIR__.'/..'.'/../lib/Migration/BuildCalendarSearchIndexBackgroundJob.php',
+        'OCA\\DAV\\Migration\\CalDAVRemoveEmptyValue' => __DIR__.'/..'.'/../lib/Migration/CalDAVRemoveEmptyValue.php',
+        'OCA\\DAV\\Migration\\ChunkCleanup' => __DIR__.'/..'.'/../lib/Migration/ChunkCleanup.php',
+        'OCA\\DAV\\Migration\\FixBirthdayCalendarComponent' => __DIR__.'/..'.'/../lib/Migration/FixBirthdayCalendarComponent.php',
+        'OCA\\DAV\\Migration\\RefreshWebcalJobRegistrar' => __DIR__.'/..'.'/../lib/Migration/RefreshWebcalJobRegistrar.php',
+        'OCA\\DAV\\Migration\\RegenerateBirthdayCalendars' => __DIR__.'/..'.'/../lib/Migration/RegenerateBirthdayCalendars.php',
+        'OCA\\DAV\\Migration\\RegisterBuildReminderIndexBackgroundJob' => __DIR__.'/..'.'/../lib/Migration/RegisterBuildReminderIndexBackgroundJob.php',
+        'OCA\\DAV\\Migration\\RemoveClassifiedEventActivity' => __DIR__.'/..'.'/../lib/Migration/RemoveClassifiedEventActivity.php',
+        'OCA\\DAV\\Migration\\RemoveOrphanEventsAndContacts' => __DIR__.'/..'.'/../lib/Migration/RemoveOrphanEventsAndContacts.php',
+        'OCA\\DAV\\Migration\\Version1004Date20170825134824' => __DIR__.'/..'.'/../lib/Migration/Version1004Date20170825134824.php',
+        'OCA\\DAV\\Migration\\Version1004Date20170919104507' => __DIR__.'/..'.'/../lib/Migration/Version1004Date20170919104507.php',
+        'OCA\\DAV\\Migration\\Version1004Date20170924124212' => __DIR__.'/..'.'/../lib/Migration/Version1004Date20170924124212.php',
+        'OCA\\DAV\\Migration\\Version1004Date20170926103422' => __DIR__.'/..'.'/../lib/Migration/Version1004Date20170926103422.php',
+        'OCA\\DAV\\Migration\\Version1005Date20180413093149' => __DIR__.'/..'.'/../lib/Migration/Version1005Date20180413093149.php',
+        'OCA\\DAV\\Migration\\Version1005Date20180530124431' => __DIR__.'/..'.'/../lib/Migration/Version1005Date20180530124431.php',
+        'OCA\\DAV\\Migration\\Version1006Date20180619154313' => __DIR__.'/..'.'/../lib/Migration/Version1006Date20180619154313.php',
+        'OCA\\DAV\\Migration\\Version1006Date20180628111625' => __DIR__.'/..'.'/../lib/Migration/Version1006Date20180628111625.php',
+        'OCA\\DAV\\Migration\\Version1008Date20181030113700' => __DIR__.'/..'.'/../lib/Migration/Version1008Date20181030113700.php',
+        'OCA\\DAV\\Migration\\Version1008Date20181105104826' => __DIR__.'/..'.'/../lib/Migration/Version1008Date20181105104826.php',
+        'OCA\\DAV\\Migration\\Version1008Date20181105104833' => __DIR__.'/..'.'/../lib/Migration/Version1008Date20181105104833.php',
+        'OCA\\DAV\\Migration\\Version1008Date20181105110300' => __DIR__.'/..'.'/../lib/Migration/Version1008Date20181105110300.php',
+        'OCA\\DAV\\Migration\\Version1008Date20181105112049' => __DIR__.'/..'.'/../lib/Migration/Version1008Date20181105112049.php',
+        'OCA\\DAV\\Migration\\Version1008Date20181114084440' => __DIR__.'/..'.'/../lib/Migration/Version1008Date20181114084440.php',
+        'OCA\\DAV\\Migration\\Version1011Date20190725113607' => __DIR__.'/..'.'/../lib/Migration/Version1011Date20190725113607.php',
+        'OCA\\DAV\\Migration\\Version1011Date20190806104428' => __DIR__.'/..'.'/../lib/Migration/Version1011Date20190806104428.php',
+        'OCA\\DAV\\Migration\\Version1012Date20190808122342' => __DIR__.'/..'.'/../lib/Migration/Version1012Date20190808122342.php',
+        'OCA\\DAV\\Migration\\Version1016Date20201109085907' => __DIR__.'/..'.'/../lib/Migration/Version1016Date20201109085907.php',
+        'OCA\\DAV\\Provisioning\\Apple\\AppleProvisioningNode' => __DIR__.'/..'.'/../lib/Provisioning/Apple/AppleProvisioningNode.php',
+        'OCA\\DAV\\Provisioning\\Apple\\AppleProvisioningPlugin' => __DIR__.'/..'.'/../lib/Provisioning/Apple/AppleProvisioningPlugin.php',
+        'OCA\\DAV\\RootCollection' => __DIR__.'/..'.'/../lib/RootCollection.php',
+        'OCA\\DAV\\Search\\ACalendarSearchProvider' => __DIR__.'/..'.'/../lib/Search/ACalendarSearchProvider.php',
+        'OCA\\DAV\\Search\\ContactsSearchProvider' => __DIR__.'/..'.'/../lib/Search/ContactsSearchProvider.php',
+        'OCA\\DAV\\Search\\EventsSearchProvider' => __DIR__.'/..'.'/../lib/Search/EventsSearchProvider.php',
+        'OCA\\DAV\\Search\\TasksSearchProvider' => __DIR__.'/..'.'/../lib/Search/TasksSearchProvider.php',
+        'OCA\\DAV\\Server' => __DIR__.'/..'.'/../lib/Server.php',
+        'OCA\\DAV\\Settings\\CalDAVSettings' => __DIR__.'/..'.'/../lib/Settings/CalDAVSettings.php',
+        'OCA\\DAV\\Storage\\PublicOwnerWrapper' => __DIR__.'/..'.'/../lib/Storage/PublicOwnerWrapper.php',
+        'OCA\\DAV\\SystemTag\\SystemTagMappingNode' => __DIR__.'/..'.'/../lib/SystemTag/SystemTagMappingNode.php',
+        'OCA\\DAV\\SystemTag\\SystemTagNode' => __DIR__.'/..'.'/../lib/SystemTag/SystemTagNode.php',
+        'OCA\\DAV\\SystemTag\\SystemTagPlugin' => __DIR__.'/..'.'/../lib/SystemTag/SystemTagPlugin.php',
+        'OCA\\DAV\\SystemTag\\SystemTagsByIdCollection' => __DIR__.'/..'.'/../lib/SystemTag/SystemTagsByIdCollection.php',
+        'OCA\\DAV\\SystemTag\\SystemTagsObjectMappingCollection' => __DIR__.'/..'.'/../lib/SystemTag/SystemTagsObjectMappingCollection.php',
+        'OCA\\DAV\\SystemTag\\SystemTagsObjectTypeCollection' => __DIR__.'/..'.'/../lib/SystemTag/SystemTagsObjectTypeCollection.php',
+        'OCA\\DAV\\SystemTag\\SystemTagsRelationsCollection' => __DIR__.'/..'.'/../lib/SystemTag/SystemTagsRelationsCollection.php',
+        'OCA\\DAV\\Traits\\PrincipalProxyTrait' => __DIR__.'/..'.'/../lib/Traits/PrincipalProxyTrait.php',
+        'OCA\\DAV\\Upload\\AssemblyStream' => __DIR__.'/..'.'/../lib/Upload/AssemblyStream.php',
+        'OCA\\DAV\\Upload\\ChunkingPlugin' => __DIR__.'/..'.'/../lib/Upload/ChunkingPlugin.php',
+        'OCA\\DAV\\Upload\\CleanupService' => __DIR__.'/..'.'/../lib/Upload/CleanupService.php',
+        'OCA\\DAV\\Upload\\FutureFile' => __DIR__.'/..'.'/../lib/Upload/FutureFile.php',
+        'OCA\\DAV\\Upload\\RootCollection' => __DIR__.'/..'.'/../lib/Upload/RootCollection.php',
+        'OCA\\DAV\\Upload\\UploadFile' => __DIR__.'/..'.'/../lib/Upload/UploadFile.php',
+        'OCA\\DAV\\Upload\\UploadFolder' => __DIR__.'/..'.'/../lib/Upload/UploadFolder.php',
+        'OCA\\DAV\\Upload\\UploadHome' => __DIR__.'/..'.'/../lib/Upload/UploadHome.php',
     );
 
     public static function getInitializer(ClassLoader $loader)
     {
-        return \Closure::bind(function () use ($loader) {
+        return \Closure::bind(function() use ($loader) {
             $loader->prefixLengthsPsr4 = ComposerStaticInitDAV::$prefixLengthsPsr4;
             $loader->prefixDirsPsr4 = ComposerStaticInitDAV::$prefixDirsPsr4;
             $loader->classMap = ComposerStaticInitDAV::$classMap;

apps/dav/lib/CalDAV/CalDavBackend.php

Indentation +2747 added lines, -2747 removed lines

@@ -95,2751 +95,2751 @@
  * @package OCA\DAV\CalDAV
  */
 class CalDavBackend extends AbstractBackend implements SyncSupport, SubscriptionSupport, SchedulingSupport {
-	public const CALENDAR_TYPE_CALENDAR = 0;
-	public const CALENDAR_TYPE_SUBSCRIPTION = 1;
-
-	public const PERSONAL_CALENDAR_URI = 'personal';
-	public const PERSONAL_CALENDAR_NAME = 'Personal';
-
-	public const RESOURCE_BOOKING_CALENDAR_URI = 'calendar';
-	public const RESOURCE_BOOKING_CALENDAR_NAME = 'Calendar';
-
-	/**
-	 * We need to specify a max date, because we need to stop *somewhere*
-	 *
-	 * On 32 bit system the maximum for a signed integer is 2147483647, so
-	 * MAX_DATE cannot be higher than date('Y-m-d', 2147483647) which results
-	 * in 2038-01-19 to avoid problems when the date is converted
-	 * to a unix timestamp.
-	 */
-	public const MAX_DATE = '2038-01-01';
-
-	public const ACCESS_PUBLIC = 4;
-	public const CLASSIFICATION_PUBLIC = 0;
-	public const CLASSIFICATION_PRIVATE = 1;
-	public const CLASSIFICATION_CONFIDENTIAL = 2;
-
-	/**
-	 * List of CalDAV properties, and how they map to database field names
-	 * Add your own properties by simply adding on to this array.
-	 *
-	 * Note that only string-based properties are supported here.
-	 *
-	 * @var array
-	 */
-	public $propertyMap = [
-		'{DAV:}displayname' => 'displayname',
-		'{urn:ietf:params:xml:ns:caldav}calendar-description' => 'description',
-		'{urn:ietf:params:xml:ns:caldav}calendar-timezone' => 'timezone',
-		'{http://apple.com/ns/ical/}calendar-order' => 'calendarorder',
-		'{http://apple.com/ns/ical/}calendar-color' => 'calendarcolor',
-	];
-
-	/**
-	 * List of subscription properties, and how they map to database field names.
-	 *
-	 * @var array
-	 */
-	public $subscriptionPropertyMap = [
-		'{DAV:}displayname' => 'displayname',
-		'{http://apple.com/ns/ical/}refreshrate' => 'refreshrate',
-		'{http://apple.com/ns/ical/}calendar-order' => 'calendarorder',
-		'{http://apple.com/ns/ical/}calendar-color' => 'calendarcolor',
-		'{http://calendarserver.org/ns/}subscribed-strip-todos' => 'striptodos',
-		'{http://calendarserver.org/ns/}subscribed-strip-alarms' => 'stripalarms',
-		'{http://calendarserver.org/ns/}subscribed-strip-attachments' => 'stripattachments',
-	];
-
-	/** @var array properties to index */
-	public static $indexProperties = ['CATEGORIES', 'COMMENT', 'DESCRIPTION',
-		'LOCATION', 'RESOURCES', 'STATUS', 'SUMMARY', 'ATTENDEE', 'CONTACT',
-		'ORGANIZER'];
-
-	/** @var array parameters to index */
-	public static $indexParameters = [
-		'ATTENDEE' => ['CN'],
-		'ORGANIZER' => ['CN'],
-	];
-
-	/**
-	 * @var string[] Map of uid => display name
-	 */
-	protected $userDisplayNames;
-
-	/** @var IDBConnection */
-	private $db;
-
-	/** @var Backend */
-	private $calendarSharingBackend;
-
-	/** @var Principal */
-	private $principalBackend;
-
-	/** @var IUserManager */
-	private $userManager;
-
-	/** @var ISecureRandom */
-	private $random;
-
-	/** @var ILogger */
-	private $logger;
-
-	/** @var IEventDispatcher */
-	private $dispatcher;
-
-	/** @var EventDispatcherInterface */
-	private $legacyDispatcher;
-
-	/** @var bool */
-	private $legacyEndpoint;
-
-	/** @var string */
-	private $dbObjectPropertiesTable = 'calendarobjects_props';
-
-	/**
-	 * CalDavBackend constructor.
-	 *
-	 * @param IDBConnection $db
-	 * @param Principal $principalBackend
-	 * @param IUserManager $userManager
-	 * @param IGroupManager $groupManager
-	 * @param ISecureRandom $random
-	 * @param ILogger $logger
-	 * @param IEventDispatcher $dispatcher
-	 * @param EventDispatcherInterface $legacyDispatcher
-	 * @param bool $legacyEndpoint
-	 */
-	public function __construct(IDBConnection $db,
-								Principal $principalBackend,
-								IUserManager $userManager,
-								IGroupManager $groupManager,
-								ISecureRandom $random,
-								ILogger $logger,
-								IEventDispatcher $dispatcher,
-								EventDispatcherInterface $legacyDispatcher,
-								bool $legacyEndpoint = false) {
-		$this->db = $db;
-		$this->principalBackend = $principalBackend;
-		$this->userManager = $userManager;
-		$this->calendarSharingBackend = new Backend($this->db, $this->userManager, $groupManager, $principalBackend, 'calendar');
-		$this->random = $random;
-		$this->logger = $logger;
-		$this->dispatcher = $dispatcher;
-		$this->legacyDispatcher = $legacyDispatcher;
-		$this->legacyEndpoint = $legacyEndpoint;
-	}
-
-	/**
-	 * Return the number of calendars for a principal
-	 *
-	 * By default this excludes the automatically generated birthday calendar
-	 *
-	 * @param $principalUri
-	 * @param bool $excludeBirthday
-	 * @return int
-	 */
-	public function getCalendarsForUserCount($principalUri, $excludeBirthday = true) {
-		$principalUri = $this->convertPrincipal($principalUri, true);
-		$query = $this->db->getQueryBuilder();
-		$query->select($query->func()->count('*'))
-			->from('calendars');
-
-		if ($principalUri === '') {
-			$query->where($query->expr()->emptyString('principaluri'));
-		} else {
-			$query->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)));
-		}
-
-		if ($excludeBirthday) {
-			$query->andWhere($query->expr()->neq('uri', $query->createNamedParameter(BirthdayService::BIRTHDAY_CALENDAR_URI)));
-		}
-
-		$result = $query->execute();
-		$column = (int)$result->fetchColumn();
-		$result->closeCursor();
-		return $column;
-	}
-
-	/**
-	 * Returns a list of calendars for a principal.
-	 *
-	 * Every project is an array with the following keys:
-	 *  * id, a unique id that will be used by other functions to modify the
-	 *    calendar. This can be the same as the uri or a database key.
-	 *  * uri, which the basename of the uri with which the calendar is
-	 *    accessed.
-	 *  * principaluri. The owner of the calendar. Almost always the same as
-	 *    principalUri passed to this method.
-	 *
-	 * Furthermore it can contain webdav properties in clark notation. A very
-	 * common one is '{DAV:}displayname'.
-	 *
-	 * Many clients also require:
-	 * {urn:ietf:params:xml:ns:caldav}supported-calendar-component-set
-	 * For this property, you can just return an instance of
-	 * Sabre\CalDAV\Property\SupportedCalendarComponentSet.
-	 *
-	 * If you return {http://sabredav.org/ns}read-only and set the value to 1,
-	 * ACL will automatically be put in read-only mode.
-	 *
-	 * @param string $principalUri
-	 * @return array
-	 */
-	public function getCalendarsForUser($principalUri) {
-		$principalUriOriginal = $principalUri;
-		$principalUri = $this->convertPrincipal($principalUri, true);
-		$fields = array_values($this->propertyMap);
-		$fields[] = 'id';
-		$fields[] = 'uri';
-		$fields[] = 'synctoken';
-		$fields[] = 'components';
-		$fields[] = 'principaluri';
-		$fields[] = 'transparent';
-
-		// Making fields a comma-delimited list
-		$query = $this->db->getQueryBuilder();
-		$query->select($fields)
-			->from('calendars')
-			->orderBy('calendarorder', 'ASC');
-
-		if ($principalUri === '') {
-			$query->where($query->expr()->emptyString('principaluri'));
-		} else {
-			$query->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)));
-		}
-
-		$result = $query->execute();
-
-		$calendars = [];
-		while ($row = $result->fetch()) {
-			$row['principaluri'] = (string) $row['principaluri'];
-			$components = [];
-			if ($row['components']) {
-				$components = explode(',',$row['components']);
-			}
-
-			$calendar = [
-				'id' => $row['id'],
-				'uri' => $row['uri'],
-				'principaluri' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
-				'{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken']?$row['synctoken']:'0'),
-				'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
-				'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
-				'{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent']?'transparent':'opaque'),
-				'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal' => $this->convertPrincipal($principalUri, !$this->legacyEndpoint),
-			];
-
-			foreach ($this->propertyMap as $xmlName => $dbName) {
-				$calendar[$xmlName] = $row[$dbName];
-			}
-
-			$this->addOwnerPrincipal($calendar);
-
-			if (!isset($calendars[$calendar['id']])) {
-				$calendars[$calendar['id']] = $calendar;
-			}
-		}
-		$result->closeCursor();
-
-		// query for shared calendars
-		$principals = $this->principalBackend->getGroupMembership($principalUriOriginal, true);
-		$principals = array_merge($principals, $this->principalBackend->getCircleMembership($principalUriOriginal));
-
-		$principals = array_map(function ($principal) {
-			return urldecode($principal);
-		}, $principals);
-		$principals[] = $principalUri;
-
-		$fields = array_values($this->propertyMap);
-		$fields[] = 'a.id';
-		$fields[] = 'a.uri';
-		$fields[] = 'a.synctoken';
-		$fields[] = 'a.components';
-		$fields[] = 'a.principaluri';
-		$fields[] = 'a.transparent';
-		$fields[] = 's.access';
-		$query = $this->db->getQueryBuilder();
-		$query->select($fields)
-			->from('dav_shares', 's')
-			->join('s', 'calendars', 'a', $query->expr()->eq('s.resourceid', 'a.id'))
-			->where($query->expr()->in('s.principaluri', $query->createParameter('principaluri')))
-			->andWhere($query->expr()->eq('s.type', $query->createParameter('type')))
-			->setParameter('type', 'calendar')
-			->setParameter('principaluri', $principals, \Doctrine\DBAL\Connection::PARAM_STR_ARRAY);
-
-		$result	= $query->execute();
-
-		$readOnlyPropertyName = '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}read-only';
-		while ($row = $result->fetch()) {
-			$row['principaluri'] = (string) $row['principaluri'];
-			if ($row['principaluri'] === $principalUri) {
-				continue;
-			}
-
-			$readOnly = (int) $row['access'] === Backend::ACCESS_READ;
-			if (isset($calendars[$row['id']])) {
-				if ($readOnly) {
-					// New share can not have more permissions then the old one.
-					continue;
-				}
-				if (isset($calendars[$row['id']][$readOnlyPropertyName]) &&
-					$calendars[$row['id']][$readOnlyPropertyName] === 0) {
-					// Old share is already read-write, no more permissions can be gained
-					continue;
-				}
-			}
-
-			list(, $name) = Uri\split($row['principaluri']);
-			$uri = $row['uri'] . '_shared_by_' . $name;
-			$row['displayname'] = $row['displayname'] . ' (' . $this->getUserDisplayName($name) . ')';
-			$components = [];
-			if ($row['components']) {
-				$components = explode(',',$row['components']);
-			}
-			$calendar = [
-				'id' => $row['id'],
-				'uri' => $uri,
-				'principaluri' => $this->convertPrincipal($principalUri, !$this->legacyEndpoint),
-				'{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken']?$row['synctoken']:'0'),
-				'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
-				'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
-				'{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp('transparent'),
-				'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
-				$readOnlyPropertyName => $readOnly,
-			];
-
-			foreach ($this->propertyMap as $xmlName => $dbName) {
-				$calendar[$xmlName] = $row[$dbName];
-			}
-
-			$this->addOwnerPrincipal($calendar);
-
-			$calendars[$calendar['id']] = $calendar;
-		}
-		$result->closeCursor();
-
-		return array_values($calendars);
-	}
-
-	/**
-	 * @param $principalUri
-	 * @return array
-	 */
-	public function getUsersOwnCalendars($principalUri) {
-		$principalUri = $this->convertPrincipal($principalUri, true);
-		$fields = array_values($this->propertyMap);
-		$fields[] = 'id';
-		$fields[] = 'uri';
-		$fields[] = 'synctoken';
-		$fields[] = 'components';
-		$fields[] = 'principaluri';
-		$fields[] = 'transparent';
-		// Making fields a comma-delimited list
-		$query = $this->db->getQueryBuilder();
-		$query->select($fields)->from('calendars')
-			->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)))
-			->orderBy('calendarorder', 'ASC');
-		$stmt = $query->execute();
-		$calendars = [];
-		while ($row = $stmt->fetch(\PDO::FETCH_ASSOC)) {
-			$row['principaluri'] = (string) $row['principaluri'];
-			$components = [];
-			if ($row['components']) {
-				$components = explode(',',$row['components']);
-			}
-			$calendar = [
-				'id' => $row['id'],
-				'uri' => $row['uri'],
-				'principaluri' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
-				'{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken']?$row['synctoken']:'0'),
-				'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
-				'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
-				'{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent']?'transparent':'opaque'),
-			];
-			foreach ($this->propertyMap as $xmlName => $dbName) {
-				$calendar[$xmlName] = $row[$dbName];
-			}
-
-			$this->addOwnerPrincipal($calendar);
-
-			if (!isset($calendars[$calendar['id']])) {
-				$calendars[$calendar['id']] = $calendar;
-			}
-		}
-		$stmt->closeCursor();
-		return array_values($calendars);
-	}
-
-
-	/**
-	 * @param $uid
-	 * @return string
-	 */
-	private function getUserDisplayName($uid) {
-		if (!isset($this->userDisplayNames[$uid])) {
-			$user = $this->userManager->get($uid);
-
-			if ($user instanceof IUser) {
-				$this->userDisplayNames[$uid] = $user->getDisplayName();
-			} else {
-				$this->userDisplayNames[$uid] = $uid;
-			}
-		}
-
-		return $this->userDisplayNames[$uid];
-	}
-
-	/**
-	 * @return array
-	 */
-	public function getPublicCalendars() {
-		$fields = array_values($this->propertyMap);
-		$fields[] = 'a.id';
-		$fields[] = 'a.uri';
-		$fields[] = 'a.synctoken';
-		$fields[] = 'a.components';
-		$fields[] = 'a.principaluri';
-		$fields[] = 'a.transparent';
-		$fields[] = 's.access';
-		$fields[] = 's.publicuri';
-		$calendars = [];
-		$query = $this->db->getQueryBuilder();
-		$result = $query->select($fields)
-			->from('dav_shares', 's')
-			->join('s', 'calendars', 'a', $query->expr()->eq('s.resourceid', 'a.id'))
-			->where($query->expr()->in('s.access', $query->createNamedParameter(self::ACCESS_PUBLIC)))
-			->andWhere($query->expr()->eq('s.type', $query->createNamedParameter('calendar')))
-			->execute();
-
-		while ($row = $result->fetch()) {
-			$row['principaluri'] = (string) $row['principaluri'];
-			list(, $name) = Uri\split($row['principaluri']);
-			$row['displayname'] = $row['displayname'] . "($name)";
-			$components = [];
-			if ($row['components']) {
-				$components = explode(',',$row['components']);
-			}
-			$calendar = [
-				'id' => $row['id'],
-				'uri' => $row['publicuri'],
-				'principaluri' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
-				'{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken']?$row['synctoken']:'0'),
-				'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
-				'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
-				'{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent']?'transparent':'opaque'),
-				'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal' => $this->convertPrincipal($row['principaluri'], $this->legacyEndpoint),
-				'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}read-only' => (int)$row['access'] === Backend::ACCESS_READ,
-				'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}public' => (int)$row['access'] === self::ACCESS_PUBLIC,
-			];
-
-			foreach ($this->propertyMap as $xmlName => $dbName) {
-				$calendar[$xmlName] = $row[$dbName];
-			}
-
-			$this->addOwnerPrincipal($calendar);
-
-			if (!isset($calendars[$calendar['id']])) {
-				$calendars[$calendar['id']] = $calendar;
-			}
-		}
-		$result->closeCursor();
-
-		return array_values($calendars);
-	}
-
-	/**
-	 * @param string $uri
-	 * @return array
-	 * @throws NotFound
-	 */
-	public function getPublicCalendar($uri) {
-		$fields = array_values($this->propertyMap);
-		$fields[] = 'a.id';
-		$fields[] = 'a.uri';
-		$fields[] = 'a.synctoken';
-		$fields[] = 'a.components';
-		$fields[] = 'a.principaluri';
-		$fields[] = 'a.transparent';
-		$fields[] = 's.access';
-		$fields[] = 's.publicuri';
-		$query = $this->db->getQueryBuilder();
-		$result = $query->select($fields)
-			->from('dav_shares', 's')
-			->join('s', 'calendars', 'a', $query->expr()->eq('s.resourceid', 'a.id'))
-			->where($query->expr()->in('s.access', $query->createNamedParameter(self::ACCESS_PUBLIC)))
-			->andWhere($query->expr()->eq('s.type', $query->createNamedParameter('calendar')))
-			->andWhere($query->expr()->eq('s.publicuri', $query->createNamedParameter($uri)))
-			->execute();
-
-		$row = $result->fetch(\PDO::FETCH_ASSOC);
-
-		$result->closeCursor();
-
-		if ($row === false) {
-			throw new NotFound('Node with name \'' . $uri . '\' could not be found');
-		}
-
-		$row['principaluri'] = (string) $row['principaluri'];
-		list(, $name) = Uri\split($row['principaluri']);
-		$row['displayname'] = $row['displayname'] . ' ' . "($name)";
-		$components = [];
-		if ($row['components']) {
-			$components = explode(',',$row['components']);
-		}
-		$calendar = [
-			'id' => $row['id'],
-			'uri' => $row['publicuri'],
-			'principaluri' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
-			'{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken']?$row['synctoken']:'0'),
-			'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
-			'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
-			'{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent']?'transparent':'opaque'),
-			'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
-			'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}read-only' => (int)$row['access'] === Backend::ACCESS_READ,
-			'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}public' => (int)$row['access'] === self::ACCESS_PUBLIC,
-		];
-
-		foreach ($this->propertyMap as $xmlName => $dbName) {
-			$calendar[$xmlName] = $row[$dbName];
-		}
-
-		$this->addOwnerPrincipal($calendar);
-
-		return $calendar;
-	}
-
-	/**
-	 * @param string $principal
-	 * @param string $uri
-	 * @return array|null
-	 */
-	public function getCalendarByUri($principal, $uri) {
-		$fields = array_values($this->propertyMap);
-		$fields[] = 'id';
-		$fields[] = 'uri';
-		$fields[] = 'synctoken';
-		$fields[] = 'components';
-		$fields[] = 'principaluri';
-		$fields[] = 'transparent';
-
-		// Making fields a comma-delimited list
-		$query = $this->db->getQueryBuilder();
-		$query->select($fields)->from('calendars')
-			->where($query->expr()->eq('uri', $query->createNamedParameter($uri)))
-			->andWhere($query->expr()->eq('principaluri', $query->createNamedParameter($principal)))
-			->setMaxResults(1);
-		$stmt = $query->execute();
-
-		$row = $stmt->fetch(\PDO::FETCH_ASSOC);
-		$stmt->closeCursor();
-		if ($row === false) {
-			return null;
-		}
-
-		$row['principaluri'] = (string) $row['principaluri'];
-		$components = [];
-		if ($row['components']) {
-			$components = explode(',',$row['components']);
-		}
-
-		$calendar = [
-			'id' => $row['id'],
-			'uri' => $row['uri'],
-			'principaluri' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
-			'{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken']?$row['synctoken']:'0'),
-			'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
-			'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
-			'{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent']?'transparent':'opaque'),
-		];
-
-		foreach ($this->propertyMap as $xmlName => $dbName) {
-			$calendar[$xmlName] = $row[$dbName];
-		}
-
-		$this->addOwnerPrincipal($calendar);
-
-		return $calendar;
-	}
-
-	/**
-	 * @param $calendarId
-	 * @return array|null
-	 */
-	public function getCalendarById($calendarId) {
-		$fields = array_values($this->propertyMap);
-		$fields[] = 'id';
-		$fields[] = 'uri';
-		$fields[] = 'synctoken';
-		$fields[] = 'components';
-		$fields[] = 'principaluri';
-		$fields[] = 'transparent';
-
-		// Making fields a comma-delimited list
-		$query = $this->db->getQueryBuilder();
-		$query->select($fields)->from('calendars')
-			->where($query->expr()->eq('id', $query->createNamedParameter($calendarId)))
-			->setMaxResults(1);
-		$stmt = $query->execute();
-
-		$row = $stmt->fetch(\PDO::FETCH_ASSOC);
-		$stmt->closeCursor();
-		if ($row === false) {
-			return null;
-		}
-
-		$row['principaluri'] = (string) $row['principaluri'];
-		$components = [];
-		if ($row['components']) {
-			$components = explode(',',$row['components']);
-		}
-
-		$calendar = [
-			'id' => $row['id'],
-			'uri' => $row['uri'],
-			'principaluri' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
-			'{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken']?$row['synctoken']:'0'),
-			'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
-			'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
-			'{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent']?'transparent':'opaque'),
-		];
-
-		foreach ($this->propertyMap as $xmlName => $dbName) {
-			$calendar[$xmlName] = $row[$dbName];
-		}
-
-		$this->addOwnerPrincipal($calendar);
-
-		return $calendar;
-	}
-
-	/**
-	 * @param $subscriptionId
-	 */
-	public function getSubscriptionById($subscriptionId) {
-		$fields = array_values($this->subscriptionPropertyMap);
-		$fields[] = 'id';
-		$fields[] = 'uri';
-		$fields[] = 'source';
-		$fields[] = 'synctoken';
-		$fields[] = 'principaluri';
-		$fields[] = 'lastmodified';
-
-		$query = $this->db->getQueryBuilder();
-		$query->select($fields)
-			->from('calendarsubscriptions')
-			->where($query->expr()->eq('id', $query->createNamedParameter($subscriptionId)))
-			->orderBy('calendarorder', 'asc');
-		$stmt = $query->execute();
-
-		$row = $stmt->fetch(\PDO::FETCH_ASSOC);
-		$stmt->closeCursor();
-		if ($row === false) {
-			return null;
-		}
-
-		$row['principaluri'] = (string) $row['principaluri'];
-		$subscription = [
-			'id' => $row['id'],
-			'uri' => $row['uri'],
-			'principaluri' => $row['principaluri'],
-			'source' => $row['source'],
-			'lastmodified' => $row['lastmodified'],
-			'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet(['VTODO', 'VEVENT']),
-			'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
-		];
-
-		foreach ($this->subscriptionPropertyMap as $xmlName => $dbName) {
-			if (!is_null($row[$dbName])) {
-				$subscription[$xmlName] = $row[$dbName];
-			}
-		}
-
-		return $subscription;
-	}
-
-	/**
-	 * Creates a new calendar for a principal.
-	 *
-	 * If the creation was a success, an id must be returned that can be used to reference
-	 * this calendar in other methods, such as updateCalendar.
-	 *
-	 * @param string $principalUri
-	 * @param string $calendarUri
-	 * @param array $properties
-	 * @return int
-	 */
-	public function createCalendar($principalUri, $calendarUri, array $properties) {
-		$values = [
-			'principaluri' => $this->convertPrincipal($principalUri, true),
-			'uri' => $calendarUri,
-			'synctoken' => 1,
-			'transparent' => 0,
-			'components' => 'VEVENT,VTODO',
-			'displayname' => $calendarUri
-		];
-
-		// Default value
-		$sccs = '{urn:ietf:params:xml:ns:caldav}supported-calendar-component-set';
-		if (isset($properties[$sccs])) {
-			if (!($properties[$sccs] instanceof SupportedCalendarComponentSet)) {
-				throw new DAV\Exception('The ' . $sccs . ' property must be of type: \Sabre\CalDAV\Property\SupportedCalendarComponentSet');
-			}
-			$values['components'] = implode(',',$properties[$sccs]->getValue());
-		} elseif (isset($properties['components'])) {
-			// Allow to provide components internally without having
-			// to create a SupportedCalendarComponentSet object
-			$values['components'] = $properties['components'];
-		}
-
-		$transp = '{' . Plugin::NS_CALDAV . '}schedule-calendar-transp';
-		if (isset($properties[$transp])) {
-			$values['transparent'] = (int) ($properties[$transp]->getValue() === 'transparent');
-		}
-
-		foreach ($this->propertyMap as $xmlName => $dbName) {
-			if (isset($properties[$xmlName])) {
-				$values[$dbName] = $properties[$xmlName];
-			}
-		}
-
-		$query = $this->db->getQueryBuilder();
-		$query->insert('calendars');
-		foreach ($values as $column => $value) {
-			$query->setValue($column, $query->createNamedParameter($value));
-		}
-		$query->execute();
-		$calendarId = $query->getLastInsertId();
-
-		$calendarData = $this->getCalendarById($calendarId);
-		$this->dispatcher->dispatchTyped(new CalendarCreatedEvent((int)$calendarId, $calendarData));
-		$this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::createCalendar', new GenericEvent(
-			'\OCA\DAV\CalDAV\CalDavBackend::createCalendar',
-			[
-				'calendarId' => $calendarId,
-				'calendarData' => $calendarData,
-			]));
-
-		return $calendarId;
-	}
-
-	/**
-	 * Updates properties for a calendar.
-	 *
-	 * The list of mutations is stored in a Sabre\DAV\PropPatch object.
-	 * To do the actual updates, you must tell this object which properties
-	 * you're going to process with the handle() method.
-	 *
-	 * Calling the handle method is like telling the PropPatch object "I
-	 * promise I can handle updating this property".
-	 *
-	 * Read the PropPatch documentation for more info and examples.
-	 *
-	 * @param mixed $calendarId
-	 * @param PropPatch $propPatch
-	 * @return void
-	 */
-	public function updateCalendar($calendarId, PropPatch $propPatch) {
-		$supportedProperties = array_keys($this->propertyMap);
-		$supportedProperties[] = '{' . Plugin::NS_CALDAV . '}schedule-calendar-transp';
-
-		$propPatch->handle($supportedProperties, function ($mutations) use ($calendarId) {
-			$newValues = [];
-			foreach ($mutations as $propertyName => $propertyValue) {
-				switch ($propertyName) {
-					case '{' . Plugin::NS_CALDAV . '}schedule-calendar-transp':
-						$fieldName = 'transparent';
-						$newValues[$fieldName] = (int) ($propertyValue->getValue() === 'transparent');
-						break;
-					default:
-						$fieldName = $this->propertyMap[$propertyName];
-						$newValues[$fieldName] = $propertyValue;
-						break;
-				}
-			}
-			$query = $this->db->getQueryBuilder();
-			$query->update('calendars');
-			foreach ($newValues as $fieldName => $value) {
-				$query->set($fieldName, $query->createNamedParameter($value));
-			}
-			$query->where($query->expr()->eq('id', $query->createNamedParameter($calendarId)));
-			$query->execute();
-
-			$this->addChange($calendarId, "", 2);
-
-			$calendarData = $this->getCalendarById($calendarId);
-			$shares = $this->getShares($calendarId);
-			$this->dispatcher->dispatchTyped(new CalendarUpdatedEvent((int)$calendarId, $calendarData, $shares, $mutations));
-			$this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::updateCalendar', new GenericEvent(
-				'\OCA\DAV\CalDAV\CalDavBackend::updateCalendar',
-				[
-					'calendarId' => $calendarId,
-					'calendarData' => $calendarData,
-					'shares' => $shares,
-					'propertyMutations' => $mutations,
-				]));
-
-			return true;
-		});
-	}
-
-	/**
-	 * Delete a calendar and all it's objects
-	 *
-	 * @param mixed $calendarId
-	 * @return void
-	 */
-	public function deleteCalendar($calendarId) {
-		$calendarData = $this->getCalendarById($calendarId);
-		$shares = $this->getShares($calendarId);
-
-		$this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::deleteCalendar', new GenericEvent(
-			'\OCA\DAV\CalDAV\CalDavBackend::deleteCalendar',
-			[
-				'calendarId' => $calendarId,
-				'calendarData' => $calendarData,
-				'shares' => $shares,
-			]));
-
-		$stmt = $this->db->prepare('DELETE FROM `*PREFIX*calendarobjects` WHERE `calendarid` = ? AND `calendartype` = ?');
-		$stmt->execute([$calendarId, self::CALENDAR_TYPE_CALENDAR]);
-
-		$stmt = $this->db->prepare('DELETE FROM `*PREFIX*calendars` WHERE `id` = ?');
-		$stmt->execute([$calendarId]);
-
-		$stmt = $this->db->prepare('DELETE FROM `*PREFIX*calendarchanges` WHERE `calendarid` = ? AND `calendartype` = ?');
-		$stmt->execute([$calendarId, self::CALENDAR_TYPE_CALENDAR]);
-
-		$this->calendarSharingBackend->deleteAllShares($calendarId);
-
-		$query = $this->db->getQueryBuilder();
-		$query->delete($this->dbObjectPropertiesTable)
-			->where($query->expr()->eq('calendarid', $query->createNamedParameter($calendarId)))
-			->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter(self::CALENDAR_TYPE_CALENDAR)))
-			->execute();
-
-		if ($calendarData) {
-			$this->dispatcher->dispatchTyped(new CalendarDeletedEvent((int)$calendarId, $calendarData, $shares));
-		}
-	}
-
-	/**
-	 * Delete all of an user's shares
-	 *
-	 * @param string $principaluri
-	 * @return void
-	 */
-	public function deleteAllSharesByUser($principaluri) {
-		$this->calendarSharingBackend->deleteAllSharesByUser($principaluri);
-	}
-
-	/**
-	 * Returns all calendar objects within a calendar.
-	 *
-	 * Every item contains an array with the following keys:
-	 *   * calendardata - The iCalendar-compatible calendar data
-	 *   * uri - a unique key which will be used to construct the uri. This can
-	 *     be any arbitrary string, but making sure it ends with '.ics' is a
-	 *     good idea. This is only the basename, or filename, not the full
-	 *     path.
-	 *   * lastmodified - a timestamp of the last modification time
-	 *   * etag - An arbitrary string, surrounded by double-quotes. (e.g.:
-	 *   '"abcdef"')
-	 *   * size - The size of the calendar objects, in bytes.
-	 *   * component - optional, a string containing the type of object, such
-	 *     as 'vevent' or 'vtodo'. If specified, this will be used to populate
-	 *     the Content-Type header.
-	 *
-	 * Note that the etag is optional, but it's highly encouraged to return for
-	 * speed reasons.
-	 *
-	 * The calendardata is also optional. If it's not returned
-	 * 'getCalendarObject' will be called later, which *is* expected to return
-	 * calendardata.
-	 *
-	 * If neither etag or size are specified, the calendardata will be
-	 * used/fetched to determine these numbers. If both are specified the
-	 * amount of times this is needed is reduced by a great degree.
-	 *
-	 * @param mixed $calendarId
-	 * @param int $calendarType
-	 * @return array
-	 */
-	public function getCalendarObjects($calendarId, $calendarType = self::CALENDAR_TYPE_CALENDAR):array {
-		$query = $this->db->getQueryBuilder();
-		$query->select(['id', 'uri', 'lastmodified', 'etag', 'calendarid', 'size', 'componenttype', 'classification'])
-			->from('calendarobjects')
-			->where($query->expr()->eq('calendarid', $query->createNamedParameter($calendarId)))
-			->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter($calendarType)));
-		$stmt = $query->execute();
-
-		$result = [];
-		foreach ($stmt->fetchAll(\PDO::FETCH_ASSOC) as $row) {
-			$result[] = [
-				'id' => $row['id'],
-				'uri' => $row['uri'],
-				'lastmodified' => $row['lastmodified'],
-				'etag' => '"' . $row['etag'] . '"',
-				'calendarid' => $row['calendarid'],
-				'size' => (int)$row['size'],
-				'component' => strtolower($row['componenttype']),
-				'classification' => (int)$row['classification']
-			];
-		}
-		$stmt->closeCursor();
-
-		return $result;
-	}
-
-	/**
-	 * Returns information from a single calendar object, based on it's object
-	 * uri.
-	 *
-	 * The object uri is only the basename, or filename and not a full path.
-	 *
-	 * The returned array must have the same keys as getCalendarObjects. The
-	 * 'calendardata' object is required here though, while it's not required
-	 * for getCalendarObjects.
-	 *
-	 * This method must return null if the object did not exist.
-	 *
-	 * @param mixed $calendarId
-	 * @param string $objectUri
-	 * @param int $calendarType
-	 * @return array|null
-	 */
-	public function getCalendarObject($calendarId, $objectUri, $calendarType = self::CALENDAR_TYPE_CALENDAR) {
-		$query = $this->db->getQueryBuilder();
-		$query->select(['id', 'uri', 'lastmodified', 'etag', 'calendarid', 'size', 'calendardata', 'componenttype', 'classification'])
-			->from('calendarobjects')
-			->where($query->expr()->eq('calendarid', $query->createNamedParameter($calendarId)))
-			->andWhere($query->expr()->eq('uri', $query->createNamedParameter($objectUri)))
-			->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter($calendarType)));
-		$stmt = $query->execute();
-		$row = $stmt->fetch(\PDO::FETCH_ASSOC);
-		$stmt->closeCursor();
-
-		if (!$row) {
-			return null;
-		}
-
-		return [
-			'id' => $row['id'],
-			'uri' => $row['uri'],
-			'lastmodified' => $row['lastmodified'],
-			'etag' => '"' . $row['etag'] . '"',
-			'calendarid' => $row['calendarid'],
-			'size' => (int)$row['size'],
-			'calendardata' => $this->readBlob($row['calendardata']),
-			'component' => strtolower($row['componenttype']),
-			'classification' => (int)$row['classification']
-		];
-	}
-
-	/**
-	 * Returns a list of calendar objects.
-	 *
-	 * This method should work identical to getCalendarObject, but instead
-	 * return all the calendar objects in the list as an array.
-	 *
-	 * If the backend supports this, it may allow for some speed-ups.
-	 *
-	 * @param mixed $calendarId
-	 * @param string[] $uris
-	 * @param int $calendarType
-	 * @return array
-	 */
-	public function getMultipleCalendarObjects($calendarId, array $uris, $calendarType = self::CALENDAR_TYPE_CALENDAR):array {
-		if (empty($uris)) {
-			return [];
-		}
-
-		$chunks = array_chunk($uris, 100);
-		$objects = [];
-
-		$query = $this->db->getQueryBuilder();
-		$query->select(['id', 'uri', 'lastmodified', 'etag', 'calendarid', 'size', 'calendardata', 'componenttype', 'classification'])
-			->from('calendarobjects')
-			->where($query->expr()->eq('calendarid', $query->createNamedParameter($calendarId)))
-			->andWhere($query->expr()->in('uri', $query->createParameter('uri')))
-			->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter($calendarType)));
-
-		foreach ($chunks as $uris) {
-			$query->setParameter('uri', $uris, IQueryBuilder::PARAM_STR_ARRAY);
-			$result = $query->execute();
-
-			while ($row = $result->fetch()) {
-				$objects[] = [
-					'id' => $row['id'],
-					'uri' => $row['uri'],
-					'lastmodified' => $row['lastmodified'],
-					'etag' => '"' . $row['etag'] . '"',
-					'calendarid' => $row['calendarid'],
-					'size' => (int)$row['size'],
-					'calendardata' => $this->readBlob($row['calendardata']),
-					'component' => strtolower($row['componenttype']),
-					'classification' => (int)$row['classification']
-				];
-			}
-			$result->closeCursor();
-		}
-
-		return $objects;
-	}
-
-	/**
-	 * Creates a new calendar object.
-	 *
-	 * The object uri is only the basename, or filename and not a full path.
-	 *
-	 * It is possible return an etag from this function, which will be used in
-	 * the response to this PUT request. Note that the ETag must be surrounded
-	 * by double-quotes.
-	 *
-	 * However, you should only really return this ETag if you don't mangle the
-	 * calendar-data. If the result of a subsequent GET to this object is not
-	 * the exact same as this request body, you should omit the ETag.
-	 *
-	 * @param mixed $calendarId
-	 * @param string $objectUri
-	 * @param string $calendarData
-	 * @param int $calendarType
-	 * @return string
-	 */
-	public function createCalendarObject($calendarId, $objectUri, $calendarData, $calendarType = self::CALENDAR_TYPE_CALENDAR) {
-		$extraData = $this->getDenormalizedData($calendarData);
-
-		$q = $this->db->getQueryBuilder();
-		$q->select($q->func()->count('*'))
-			->from('calendarobjects')
-			->where($q->expr()->eq('calendarid', $q->createNamedParameter($calendarId)))
-			->andWhere($q->expr()->eq('uid', $q->createNamedParameter($extraData['uid'])))
-			->andWhere($q->expr()->eq('calendartype', $q->createNamedParameter($calendarType)));
-
-		$result = $q->execute();
-		$count = (int) $result->fetchColumn();
-		$result->closeCursor();
-
-		if ($count !== 0) {
-			throw new \Sabre\DAV\Exception\BadRequest('Calendar object with uid already exists in this calendar collection.');
-		}
-
-		$query = $this->db->getQueryBuilder();
-		$query->insert('calendarobjects')
-			->values([
-				'calendarid' => $query->createNamedParameter($calendarId),
-				'uri' => $query->createNamedParameter($objectUri),
-				'calendardata' => $query->createNamedParameter($calendarData, IQueryBuilder::PARAM_LOB),
-				'lastmodified' => $query->createNamedParameter(time()),
-				'etag' => $query->createNamedParameter($extraData['etag']),
-				'size' => $query->createNamedParameter($extraData['size']),
-				'componenttype' => $query->createNamedParameter($extraData['componentType']),
-				'firstoccurence' => $query->createNamedParameter($extraData['firstOccurence']),
-				'lastoccurence' => $query->createNamedParameter($extraData['lastOccurence']),
-				'classification' => $query->createNamedParameter($extraData['classification']),
-				'uid' => $query->createNamedParameter($extraData['uid']),
-				'calendartype' => $query->createNamedParameter($calendarType),
-			])
-			->execute();
-
-		$this->updateProperties($calendarId, $objectUri, $calendarData, $calendarType);
-		$this->addChange($calendarId, $objectUri, 1, $calendarType);
-
-		$objectRow = $this->getCalendarObject($calendarId, $objectUri, $calendarType);
-		if ($calendarType === self::CALENDAR_TYPE_CALENDAR) {
-			$calendarRow = $this->getCalendarById($calendarId);
-			$shares = $this->getShares($calendarId);
-
-			$this->dispatcher->dispatchTyped(new CalendarObjectCreatedEvent((int)$calendarId, $calendarRow, $shares, $objectRow));
-			$this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::createCalendarObject', new GenericEvent(
-				'\OCA\DAV\CalDAV\CalDavBackend::createCalendarObject',
-				[
-					'calendarId' => $calendarId,
-					'calendarData' => $calendarRow,
-					'shares' => $shares,
-					'objectData' => $objectRow,
-				]
-			));
-		} else {
-			$subscriptionRow = $this->getSubscriptionById($calendarId);
-
-			$this->dispatcher->dispatchTyped(new CachedCalendarObjectCreatedEvent((int)$calendarId, $subscriptionRow, [], $objectRow));
-			$this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::createCachedCalendarObject', new GenericEvent(
-				'\OCA\DAV\CalDAV\CalDavBackend::createCachedCalendarObject',
-				[
-					'subscriptionId' => $calendarId,
-					'calendarData' => $subscriptionRow,
-					'shares' => [],
-					'objectData' => $objectRow,
-				]
-			));
-		}
-
-		return '"' . $extraData['etag'] . '"';
-	}
-
-	/**
-	 * Updates an existing calendarobject, based on it's uri.
-	 *
-	 * The object uri is only the basename, or filename and not a full path.
-	 *
-	 * It is possible return an etag from this function, which will be used in
-	 * the response to this PUT request. Note that the ETag must be surrounded
-	 * by double-quotes.
-	 *
-	 * However, you should only really return this ETag if you don't mangle the
-	 * calendar-data. If the result of a subsequent GET to this object is not
-	 * the exact same as this request body, you should omit the ETag.
-	 *
-	 * @param mixed $calendarId
-	 * @param string $objectUri
-	 * @param string $calendarData
-	 * @param int $calendarType
-	 * @return string
-	 */
-	public function updateCalendarObject($calendarId, $objectUri, $calendarData, $calendarType = self::CALENDAR_TYPE_CALENDAR) {
-		$extraData = $this->getDenormalizedData($calendarData);
-		$query = $this->db->getQueryBuilder();
-		$query->update('calendarobjects')
-				->set('calendardata', $query->createNamedParameter($calendarData, IQueryBuilder::PARAM_LOB))
-				->set('lastmodified', $query->createNamedParameter(time()))
-				->set('etag', $query->createNamedParameter($extraData['etag']))
-				->set('size', $query->createNamedParameter($extraData['size']))
-				->set('componenttype', $query->createNamedParameter($extraData['componentType']))
-				->set('firstoccurence', $query->createNamedParameter($extraData['firstOccurence']))
-				->set('lastoccurence', $query->createNamedParameter($extraData['lastOccurence']))
-				->set('classification', $query->createNamedParameter($extraData['classification']))
-				->set('uid', $query->createNamedParameter($extraData['uid']))
-			->where($query->expr()->eq('calendarid', $query->createNamedParameter($calendarId)))
-			->andWhere($query->expr()->eq('uri', $query->createNamedParameter($objectUri)))
-			->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter($calendarType)))
-			->execute();
-
-		$this->updateProperties($calendarId, $objectUri, $calendarData, $calendarType);
-		$this->addChange($calendarId, $objectUri, 2, $calendarType);
-
-		$objectRow = $this->getCalendarObject($calendarId, $objectUri, $calendarType);
-		if (is_array($objectRow)) {
-			if ($calendarType === self::CALENDAR_TYPE_CALENDAR) {
-				$calendarRow = $this->getCalendarById($calendarId);
-				$shares = $this->getShares($calendarId);
-
-				$this->dispatcher->dispatchTyped(new CalendarObjectUpdatedEvent((int)$calendarId, $calendarRow, $shares, $objectRow));
-				$this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::updateCalendarObject', new GenericEvent(
-					'\OCA\DAV\CalDAV\CalDavBackend::updateCalendarObject',
-					[
-						'calendarId' => $calendarId,
-						'calendarData' => $calendarRow,
-						'shares' => $shares,
-						'objectData' => $objectRow,
-					]
-				));
-			} else {
-				$subscriptionRow = $this->getSubscriptionById($calendarId);
-
-				$this->dispatcher->dispatchTyped(new CachedCalendarObjectUpdatedEvent((int)$calendarId, $subscriptionRow, [], $objectRow));
-				$this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::updateCachedCalendarObject', new GenericEvent(
-					'\OCA\DAV\CalDAV\CalDavBackend::updateCachedCalendarObject',
-					[
-						'subscriptionId' => $calendarId,
-						'calendarData' => $subscriptionRow,
-						'shares' => [],
-						'objectData' => $objectRow,
-					]
-				));
-			}
-		}
-
-		return '"' . $extraData['etag'] . '"';
-	}
-
-	/**
-	 * @param int $calendarObjectId
-	 * @param int $classification
-	 */
-	public function setClassification($calendarObjectId, $classification) {
-		if (!in_array($classification, [
-			self::CLASSIFICATION_PUBLIC, self::CLASSIFICATION_PRIVATE, self::CLASSIFICATION_CONFIDENTIAL
-		])) {
-			throw new \InvalidArgumentException();
-		}
-		$query = $this->db->getQueryBuilder();
-		$query->update('calendarobjects')
-			->set('classification', $query->createNamedParameter($classification))
-			->where($query->expr()->eq('id', $query->createNamedParameter($calendarObjectId)))
-			->execute();
-	}
-
-	/**
-	 * Deletes an existing calendar object.
-	 *
-	 * The object uri is only the basename, or filename and not a full path.
-	 *
-	 * @param mixed $calendarId
-	 * @param string $objectUri
-	 * @param int $calendarType
-	 * @return void
-	 */
-	public function deleteCalendarObject($calendarId, $objectUri, $calendarType = self::CALENDAR_TYPE_CALENDAR) {
-		$data = $this->getCalendarObject($calendarId, $objectUri, $calendarType);
-		if (is_array($data)) {
-			if ($calendarType === self::CALENDAR_TYPE_CALENDAR) {
-				$calendarRow = $this->getCalendarById($calendarId);
-				$shares = $this->getShares($calendarId);
-
-				$this->dispatcher->dispatchTyped(new CalendarObjectDeletedEvent((int)$calendarId, $calendarRow, $shares, $data));
-				$this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::deleteCalendarObject', new GenericEvent(
-					'\OCA\DAV\CalDAV\CalDavBackend::deleteCalendarObject',
-					[
-						'calendarId' => $calendarId,
-						'calendarData' => $calendarRow,
-						'shares' => $shares,
-						'objectData' => $data,
-					]
-				));
-			} else {
-				$subscriptionRow = $this->getSubscriptionById($calendarId);
-
-				$this->dispatcher->dispatchTyped(new CachedCalendarObjectDeletedEvent((int)$calendarId, $subscriptionRow, [], $data));
-				$this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::deleteCachedCalendarObject', new GenericEvent(
-					'\OCA\DAV\CalDAV\CalDavBackend::deleteCachedCalendarObject',
-					[
-						'subscriptionId' => $calendarId,
-						'calendarData' => $subscriptionRow,
-						'shares' => [],
-						'objectData' => $data,
-					]
-				));
-			}
-		}
-
-		$stmt = $this->db->prepare('DELETE FROM `*PREFIX*calendarobjects` WHERE `calendarid` = ? AND `uri` = ? AND `calendartype` = ?');
-		$stmt->execute([$calendarId, $objectUri, $calendarType]);
-
-		if (is_array($data)) {
-			$this->purgeProperties($calendarId, $data['id'], $calendarType);
-		}
-
-		$this->addChange($calendarId, $objectUri, 3, $calendarType);
-	}
-
-	/**
-	 * Performs a calendar-query on the contents of this calendar.
-	 *
-	 * The calendar-query is defined in RFC4791 : CalDAV. Using the
-	 * calendar-query it is possible for a client to request a specific set of
-	 * object, based on contents of iCalendar properties, date-ranges and
-	 * iCalendar component types (VTODO, VEVENT).
-	 *
-	 * This method should just return a list of (relative) urls that match this
-	 * query.
-	 *
-	 * The list of filters are specified as an array. The exact array is
-	 * documented by Sabre\CalDAV\CalendarQueryParser.
-	 *
-	 * Note that it is extremely likely that getCalendarObject for every path
-	 * returned from this method will be called almost immediately after. You
-	 * may want to anticipate this to speed up these requests.
-	 *
-	 * This method provides a default implementation, which parses *all* the
-	 * iCalendar objects in the specified calendar.
-	 *
-	 * This default may well be good enough for personal use, and calendars
-	 * that aren't very large. But if you anticipate high usage, big calendars
-	 * or high loads, you are strongly advised to optimize certain paths.
-	 *
-	 * The best way to do so is override this method and to optimize
-	 * specifically for 'common filters'.
-	 *
-	 * Requests that are extremely common are:
-	 *   * requests for just VEVENTS
-	 *   * requests for just VTODO
-	 *   * requests with a time-range-filter on either VEVENT or VTODO.
-	 *
-	 * ..and combinations of these requests. It may not be worth it to try to
-	 * handle every possible situation and just rely on the (relatively
-	 * easy to use) CalendarQueryValidator to handle the rest.
-	 *
-	 * Note that especially time-range-filters may be difficult to parse. A
-	 * time-range filter specified on a VEVENT must for instance also handle
-	 * recurrence rules correctly.
-	 * A good example of how to interprete all these filters can also simply
-	 * be found in Sabre\CalDAV\CalendarQueryFilter. This class is as correct
-	 * as possible, so it gives you a good idea on what type of stuff you need
-	 * to think of.
-	 *
-	 * @param mixed $calendarId
-	 * @param array $filters
-	 * @param int $calendarType
-	 * @return array
-	 */
-	public function calendarQuery($calendarId, array $filters, $calendarType = self::CALENDAR_TYPE_CALENDAR):array {
-		$componentType = null;
-		$requirePostFilter = true;
-		$timeRange = null;
-
-		// if no filters were specified, we don't need to filter after a query
-		if (!$filters['prop-filters'] && !$filters['comp-filters']) {
-			$requirePostFilter = false;
-		}
-
-		// Figuring out if there's a component filter
-		if (count($filters['comp-filters']) > 0 && !$filters['comp-filters'][0]['is-not-defined']) {
-			$componentType = $filters['comp-filters'][0]['name'];
-
-			// Checking if we need post-filters
-			if (!$filters['prop-filters'] && !$filters['comp-filters'][0]['comp-filters'] && !$filters['comp-filters'][0]['time-range'] && !$filters['comp-filters'][0]['prop-filters']) {
-				$requirePostFilter = false;
-			}
-			// There was a time-range filter
-			if ($componentType === 'VEVENT' && isset($filters['comp-filters'][0]['time-range']) && is_array($filters['comp-filters'][0]['time-range'])) {
-				$timeRange = $filters['comp-filters'][0]['time-range'];
-
-				// If start time OR the end time is not specified, we can do a
-				// 100% accurate mysql query.
-				if (!$filters['prop-filters'] && !$filters['comp-filters'][0]['comp-filters'] && !$filters['comp-filters'][0]['prop-filters'] && (!$timeRange['start'] || !$timeRange['end'])) {
-					$requirePostFilter = false;
-				}
-			}
-		}
-		$columns = ['uri'];
-		if ($requirePostFilter) {
-			$columns = ['uri', 'calendardata'];
-		}
-		$query = $this->db->getQueryBuilder();
-		$query->select($columns)
-			->from('calendarobjects')
-			->where($query->expr()->eq('calendarid', $query->createNamedParameter($calendarId)))
-			->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter($calendarType)));
-
-		if ($componentType) {
-			$query->andWhere($query->expr()->eq('componenttype', $query->createNamedParameter($componentType)));
-		}
-
-		if ($timeRange && $timeRange['start']) {
-			$query->andWhere($query->expr()->gt('lastoccurence', $query->createNamedParameter($timeRange['start']->getTimeStamp())));
-		}
-		if ($timeRange && $timeRange['end']) {
-			$query->andWhere($query->expr()->lt('firstoccurence', $query->createNamedParameter($timeRange['end']->getTimeStamp())));
-		}
-
-		$stmt = $query->execute();
-
-		$result = [];
-		while ($row = $stmt->fetch(\PDO::FETCH_ASSOC)) {
-			if ($requirePostFilter) {
-				// validateFilterForObject will parse the calendar data
-				// catch parsing errors
-				try {
-					$matches = $this->validateFilterForObject($row, $filters);
-				} catch (ParseException $ex) {
-					$this->logger->logException($ex, [
-						'app' => 'dav',
-						'message' => 'Caught parsing exception for calendar data. This usually indicates invalid calendar data. calendar-id:'.$calendarId.' uri:'.$row['uri']
-					]);
-					continue;
-				} catch (InvalidDataException $ex) {
-					$this->logger->logException($ex, [
-						'app' => 'dav',
-						'message' => 'Caught invalid data exception for calendar data. This usually indicates invalid calendar data. calendar-id:'.$calendarId.' uri:'.$row['uri']
-					]);
-					continue;
-				}
-
-				if (!$matches) {
-					continue;
-				}
-			}
-			$result[] = $row['uri'];
-		}
-
-		return $result;
-	}
-
-	/**
-	 * custom Nextcloud search extension for CalDAV
-	 *
-	 * TODO - this should optionally cover cached calendar objects as well
-	 *
-	 * @param string $principalUri
-	 * @param array $filters
-	 * @param integer|null $limit
-	 * @param integer|null $offset
-	 * @return array
-	 */
-	public function calendarSearch($principalUri, array $filters, $limit = null, $offset = null) {
-		$calendars = $this->getCalendarsForUser($principalUri);
-		$ownCalendars = [];
-		$sharedCalendars = [];
-
-		$uriMapper = [];
-
-		foreach ($calendars as $calendar) {
-			if ($calendar['{http://owncloud.org/ns}owner-principal'] === $principalUri) {
-				$ownCalendars[] = $calendar['id'];
-			} else {
-				$sharedCalendars[] = $calendar['id'];
-			}
-			$uriMapper[$calendar['id']] = $calendar['uri'];
-		}
-		if (count($ownCalendars) === 0 && count($sharedCalendars) === 0) {
-			return [];
-		}
-
-		$query = $this->db->getQueryBuilder();
-		// Calendar id expressions
-		$calendarExpressions = [];
-		foreach ($ownCalendars as $id) {
-			$calendarExpressions[] = $query->expr()->andX(
-				$query->expr()->eq('c.calendarid',
-					$query->createNamedParameter($id)),
-				$query->expr()->eq('c.calendartype',
-						$query->createNamedParameter(self::CALENDAR_TYPE_CALENDAR)));
-		}
-		foreach ($sharedCalendars as $id) {
-			$calendarExpressions[] = $query->expr()->andX(
-				$query->expr()->eq('c.calendarid',
-					$query->createNamedParameter($id)),
-				$query->expr()->eq('c.classification',
-					$query->createNamedParameter(self::CLASSIFICATION_PUBLIC)),
-				$query->expr()->eq('c.calendartype',
-					$query->createNamedParameter(self::CALENDAR_TYPE_CALENDAR)));
-		}
-
-		if (count($calendarExpressions) === 1) {
-			$calExpr = $calendarExpressions[0];
-		} else {
-			$calExpr = call_user_func_array([$query->expr(), 'orX'], $calendarExpressions);
-		}
-
-		// Component expressions
-		$compExpressions = [];
-		foreach ($filters['comps'] as $comp) {
-			$compExpressions[] = $query->expr()
-				->eq('c.componenttype', $query->createNamedParameter($comp));
-		}
-
-		if (count($compExpressions) === 1) {
-			$compExpr = $compExpressions[0];
-		} else {
-			$compExpr = call_user_func_array([$query->expr(), 'orX'], $compExpressions);
-		}
-
-		if (!isset($filters['props'])) {
-			$filters['props'] = [];
-		}
-		if (!isset($filters['params'])) {
-			$filters['params'] = [];
-		}
-
-		$propParamExpressions = [];
-		foreach ($filters['props'] as $prop) {
-			$propParamExpressions[] = $query->expr()->andX(
-				$query->expr()->eq('i.name', $query->createNamedParameter($prop)),
-				$query->expr()->isNull('i.parameter')
-			);
-		}
-		foreach ($filters['params'] as $param) {
-			$propParamExpressions[] = $query->expr()->andX(
-				$query->expr()->eq('i.name', $query->createNamedParameter($param['property'])),
-				$query->expr()->eq('i.parameter', $query->createNamedParameter($param['parameter']))
-			);
-		}
-
-		if (count($propParamExpressions) === 1) {
-			$propParamExpr = $propParamExpressions[0];
-		} else {
-			$propParamExpr = call_user_func_array([$query->expr(), 'orX'], $propParamExpressions);
-		}
-
-		$query->select(['c.calendarid', 'c.uri'])
-			->from($this->dbObjectPropertiesTable, 'i')
-			->join('i', 'calendarobjects', 'c', $query->expr()->eq('i.objectid', 'c.id'))
-			->where($calExpr)
-			->andWhere($compExpr)
-			->andWhere($propParamExpr)
-			->andWhere($query->expr()->iLike('i.value',
-				$query->createNamedParameter('%'.$this->db->escapeLikeParameter($filters['search-term']).'%')));
-
-		if ($offset) {
-			$query->setFirstResult($offset);
-		}
-		if ($limit) {
-			$query->setMaxResults($limit);
-		}
-
-		$stmt = $query->execute();
-
-		$result = [];
-		while ($row = $stmt->fetch(\PDO::FETCH_ASSOC)) {
-			$path = $uriMapper[$row['calendarid']] . '/' . $row['uri'];
-			if (!in_array($path, $result)) {
-				$result[] = $path;
-			}
-		}
-
-		return $result;
-	}
-
-	/**
-	 * used for Nextcloud's calendar API
-	 *
-	 * @param array $calendarInfo
-	 * @param string $pattern
-	 * @param array $searchProperties
-	 * @param array $options
-	 * @param integer|null $limit
-	 * @param integer|null $offset
-	 *
-	 * @return array
-	 */
-	public function search(array $calendarInfo, $pattern, array $searchProperties,
-						   array $options, $limit, $offset) {
-		$outerQuery = $this->db->getQueryBuilder();
-		$innerQuery = $this->db->getQueryBuilder();
-
-		$innerQuery->selectDistinct('op.objectid')
-			->from($this->dbObjectPropertiesTable, 'op')
-			->andWhere($innerQuery->expr()->eq('op.calendarid',
-				$outerQuery->createNamedParameter($calendarInfo['id'])))
-			->andWhere($innerQuery->expr()->eq('op.calendartype',
-				$outerQuery->createNamedParameter(self::CALENDAR_TYPE_CALENDAR)));
-
-		// only return public items for shared calendars for now
-		if ($calendarInfo['principaluri'] !== $calendarInfo['{http://owncloud.org/ns}owner-principal']) {
-			$innerQuery->andWhere($innerQuery->expr()->eq('c.classification',
-				$outerQuery->createNamedParameter(self::CLASSIFICATION_PUBLIC)));
-		}
-
-		$or = $innerQuery->expr()->orX();
-		foreach ($searchProperties as $searchProperty) {
-			$or->add($innerQuery->expr()->eq('op.name',
-				$outerQuery->createNamedParameter($searchProperty)));
-		}
-		$innerQuery->andWhere($or);
-
-		if ($pattern !== '') {
-			$innerQuery->andWhere($innerQuery->expr()->iLike('op.value',
-				$outerQuery->createNamedParameter('%' .
-					$this->db->escapeLikeParameter($pattern) . '%')));
-		}
-
-		$outerQuery->select('c.id', 'c.calendardata', 'c.componenttype', 'c.uid', 'c.uri')
-			->from('calendarobjects', 'c');
-
-		if (isset($options['timerange'])) {
-			if (isset($options['timerange']['start']) && $options['timerange']['start'] instanceof DateTime) {
-				$outerQuery->andWhere($outerQuery->expr()->gt('lastoccurence',
-					$outerQuery->createNamedParameter($options['timerange']['start']->getTimeStamp())));
-			}
-			if (isset($options['timerange']['end']) && $options['timerange']['end'] instanceof DateTime) {
-				$outerQuery->andWhere($outerQuery->expr()->lt('firstoccurence',
-					$outerQuery->createNamedParameter($options['timerange']['end']->getTimeStamp())));
-			}
-		}
-
-		if (isset($options['types'])) {
-			$or = $outerQuery->expr()->orX();
-			foreach ($options['types'] as $type) {
-				$or->add($outerQuery->expr()->eq('componenttype',
-					$outerQuery->createNamedParameter($type)));
-			}
-			$outerQuery->andWhere($or);
-		}
-
-		$outerQuery->andWhere($outerQuery->expr()->in('c.id',
-			$outerQuery->createFunction($innerQuery->getSQL())));
-
-		if ($offset) {
-			$outerQuery->setFirstResult($offset);
-		}
-		if ($limit) {
-			$outerQuery->setMaxResults($limit);
-		}
-
-		$result = $outerQuery->execute();
-		$calendarObjects = $result->fetchAll();
-
-		return array_map(function ($o) {
-			$calendarData = Reader::read($o['calendardata']);
-			$comps = $calendarData->getComponents();
-			$objects = [];
-			$timezones = [];
-			foreach ($comps as $comp) {
-				if ($comp instanceof VTimeZone) {
-					$timezones[] = $comp;
-				} else {
-					$objects[] = $comp;
-				}
-			}
-
-			return [
-				'id' => $o['id'],
-				'type' => $o['componenttype'],
-				'uid' => $o['uid'],
-				'uri' => $o['uri'],
-				'objects' => array_map(function ($c) {
-					return $this->transformSearchData($c);
-				}, $objects),
-				'timezones' => array_map(function ($c) {
-					return $this->transformSearchData($c);
-				}, $timezones),
-			];
-		}, $calendarObjects);
-	}
-
-	/**
-	 * @param Component $comp
-	 * @return array
-	 */
-	private function transformSearchData(Component $comp) {
-		$data = [];
-		/** @var Component[] $subComponents */
-		$subComponents = $comp->getComponents();
-		/** @var Property[] $properties */
-		$properties = array_filter($comp->children(), function ($c) {
-			return $c instanceof Property;
-		});
-		$validationRules = $comp->getValidationRules();
-
-		foreach ($subComponents as $subComponent) {
-			$name = $subComponent->name;
-			if (!isset($data[$name])) {
-				$data[$name] = [];
-			}
-			$data[$name][] = $this->transformSearchData($subComponent);
-		}
-
-		foreach ($properties as $property) {
-			$name = $property->name;
-			if (!isset($validationRules[$name])) {
-				$validationRules[$name] = '*';
-			}
-
-			$rule = $validationRules[$property->name];
-			if ($rule === '+' || $rule === '*') { // multiple
-				if (!isset($data[$name])) {
-					$data[$name] = [];
-				}
-
-				$data[$name][] = $this->transformSearchProperty($property);
-			} else { // once
-				$data[$name] = $this->transformSearchProperty($property);
-			}
-		}
-
-		return $data;
-	}
-
-	/**
-	 * @param Property $prop
-	 * @return array
-	 */
-	private function transformSearchProperty(Property $prop) {
-		// No need to check Date, as it extends DateTime
-		if ($prop instanceof Property\ICalendar\DateTime) {
-			$value = $prop->getDateTime();
-		} else {
-			$value = $prop->getValue();
-		}
-
-		return [
-			$value,
-			$prop->parameters()
-		];
-	}
-
-	/**
-	 * @param string $principalUri
-	 * @param string $pattern
-	 * @param array $componentTypes
-	 * @param array $searchProperties
-	 * @param array $searchParameters
-	 * @param array $options
-	 * @return array
-	 */
-	public function searchPrincipalUri(string $principalUri,
-									   string $pattern,
-									   array $componentTypes,
-									   array $searchProperties,
-									   array $searchParameters,
-									   array $options = []): array {
-		$escapePattern = !\array_key_exists('escape_like_param', $options) || $options['escape_like_param'] !== false;
-
-		$calendarObjectIdQuery = $this->db->getQueryBuilder();
-		$calendarOr = $calendarObjectIdQuery->expr()->orX();
-		$searchOr = $calendarObjectIdQuery->expr()->orX();
-
-		// Fetch calendars and subscription
-		$calendars = $this->getCalendarsForUser($principalUri);
-		$subscriptions = $this->getSubscriptionsForUser($principalUri);
-		foreach ($calendars as $calendar) {
-			$calendarAnd = $calendarObjectIdQuery->expr()->andX();
-			$calendarAnd->add($calendarObjectIdQuery->expr()->eq('cob.calendarid', $calendarObjectIdQuery->createNamedParameter((int)$calendar['id'])));
-			$calendarAnd->add($calendarObjectIdQuery->expr()->eq('cob.calendartype', $calendarObjectIdQuery->createNamedParameter(self::CALENDAR_TYPE_CALENDAR)));
-
-			// If it's shared, limit search to public events
-			if ($calendar['principaluri'] !== $calendar['{http://owncloud.org/ns}owner-principal']) {
-				$calendarAnd->add($calendarObjectIdQuery->expr()->eq('co.classification', $calendarObjectIdQuery->createNamedParameter(self::CLASSIFICATION_PUBLIC)));
-			}
-
-			$calendarOr->add($calendarAnd);
-		}
-		foreach ($subscriptions as $subscription) {
-			$subscriptionAnd = $calendarObjectIdQuery->expr()->andX();
-			$subscriptionAnd->add($calendarObjectIdQuery->expr()->eq('cob.calendarid', $calendarObjectIdQuery->createNamedParameter((int)$subscription['id'])));
-			$subscriptionAnd->add($calendarObjectIdQuery->expr()->eq('cob.calendartype', $calendarObjectIdQuery->createNamedParameter(self::CALENDAR_TYPE_SUBSCRIPTION)));
-
-			// If it's shared, limit search to public events
-			if ($subscription['principaluri'] !== $subscription['{http://owncloud.org/ns}owner-principal']) {
-				$subscriptionAnd->add($calendarObjectIdQuery->expr()->eq('co.classification', $calendarObjectIdQuery->createNamedParameter(self::CLASSIFICATION_PUBLIC)));
-			}
-
-			$calendarOr->add($subscriptionAnd);
-		}
-
-		foreach ($searchProperties as $property) {
-			$propertyAnd = $calendarObjectIdQuery->expr()->andX();
-			$propertyAnd->add($calendarObjectIdQuery->expr()->eq('cob.name', $calendarObjectIdQuery->createNamedParameter($property, IQueryBuilder::PARAM_STR)));
-			$propertyAnd->add($calendarObjectIdQuery->expr()->isNull('cob.parameter'));
-
-			$searchOr->add($propertyAnd);
-		}
-		foreach ($searchParameters as $property => $parameter) {
-			$parameterAnd = $calendarObjectIdQuery->expr()->andX();
-			$parameterAnd->add($calendarObjectIdQuery->expr()->eq('cob.name', $calendarObjectIdQuery->createNamedParameter($property, IQueryBuilder::PARAM_STR)));
-			$parameterAnd->add($calendarObjectIdQuery->expr()->eq('cob.parameter', $calendarObjectIdQuery->createNamedParameter($parameter, IQueryBuilder::PARAM_STR_ARRAY)));
-
-			$searchOr->add($parameterAnd);
-		}
-
-		if ($calendarOr->count() === 0) {
-			return [];
-		}
-		if ($searchOr->count() === 0) {
-			return [];
-		}
-
-		$calendarObjectIdQuery->selectDistinct('cob.objectid')
-			->from($this->dbObjectPropertiesTable, 'cob')
-			->leftJoin('cob', 'calendarobjects', 'co', $calendarObjectIdQuery->expr()->eq('co.id', 'cob.objectid'))
-			->andWhere($calendarObjectIdQuery->expr()->in('co.componenttype', $calendarObjectIdQuery->createNamedParameter($componentTypes, IQueryBuilder::PARAM_STR_ARRAY)))
-			->andWhere($calendarOr)
-			->andWhere($searchOr);
-
-		if ('' !== $pattern) {
-			if (!$escapePattern) {
-				$calendarObjectIdQuery->andWhere($calendarObjectIdQuery->expr()->ilike('cob.value', $calendarObjectIdQuery->createNamedParameter($pattern)));
-			} else {
-				$calendarObjectIdQuery->andWhere($calendarObjectIdQuery->expr()->ilike('cob.value', $calendarObjectIdQuery->createNamedParameter('%' . $this->db->escapeLikeParameter($pattern) . '%')));
-			}
-		}
-
-		if (isset($options['limit'])) {
-			$calendarObjectIdQuery->setMaxResults($options['limit']);
-		}
-		if (isset($options['offset'])) {
-			$calendarObjectIdQuery->setFirstResult($options['offset']);
-		}
-
-		$result = $calendarObjectIdQuery->execute();
-		$matches = $result->fetchAll();
-		$result->closeCursor();
-		$matches = array_map(static function (array $match):int {
-			return (int) $match['objectid'];
-		}, $matches);
-
-		$query = $this->db->getQueryBuilder();
-		$query->select('calendardata', 'uri', 'calendarid', 'calendartype')
-			->from('calendarobjects')
-			->where($query->expr()->in('id', $query->createNamedParameter($matches, IQueryBuilder::PARAM_INT_ARRAY)));
-
-		$result = $query->execute();
-		$calendarObjects = $result->fetchAll();
-		$result->closeCursor();
-
-		return array_map(function (array $array): array {
-			$array['calendarid'] = (int)$array['calendarid'];
-			$array['calendartype'] = (int)$array['calendartype'];
-			$array['calendardata'] = $this->readBlob($array['calendardata']);
-
-			return $array;
-		}, $calendarObjects);
-	}
-
-	/**
-	 * Searches through all of a users calendars and calendar objects to find
-	 * an object with a specific UID.
-	 *
-	 * This method should return the path to this object, relative to the
-	 * calendar home, so this path usually only contains two parts:
-	 *
-	 * calendarpath/objectpath.ics
-	 *
-	 * If the uid is not found, return null.
-	 *
-	 * This method should only consider * objects that the principal owns, so
-	 * any calendars owned by other principals that also appear in this
-	 * collection should be ignored.
-	 *
-	 * @param string $principalUri
-	 * @param string $uid
-	 * @return string|null
-	 */
-	public function getCalendarObjectByUID($principalUri, $uid) {
-		$query = $this->db->getQueryBuilder();
-		$query->selectAlias('c.uri', 'calendaruri')->selectAlias('co.uri', 'objecturi')
-			->from('calendarobjects', 'co')
-			->leftJoin('co', 'calendars', 'c', $query->expr()->eq('co.calendarid', 'c.id'))
-			->where($query->expr()->eq('c.principaluri', $query->createNamedParameter($principalUri)))
-			->andWhere($query->expr()->eq('co.uid', $query->createNamedParameter($uid)));
-
-		$stmt = $query->execute();
-
-		if ($row = $stmt->fetch(\PDO::FETCH_ASSOC)) {
-			return $row['calendaruri'] . '/' . $row['objecturi'];
-		}
-
-		return null;
-	}
-
-	/**
-	 * The getChanges method returns all the changes that have happened, since
-	 * the specified syncToken in the specified calendar.
-	 *
-	 * This function should return an array, such as the following:
-	 *
-	 * [
-	 *   'syncToken' => 'The current synctoken',
-	 *   'added'   => [
-	 *      'new.txt',
-	 *   ],
-	 *   'modified'   => [
-	 *      'modified.txt',
-	 *   ],
-	 *   'deleted' => [
-	 *      'foo.php.bak',
-	 *      'old.txt'
-	 *   ]
-	 * );
-	 *
-	 * The returned syncToken property should reflect the *current* syncToken
-	 * of the calendar, as reported in the {http://sabredav.org/ns}sync-token
-	 * property This is * needed here too, to ensure the operation is atomic.
-	 *
-	 * If the $syncToken argument is specified as null, this is an initial
-	 * sync, and all members should be reported.
-	 *
-	 * The modified property is an array of nodenames that have changed since
-	 * the last token.
-	 *
-	 * The deleted property is an array with nodenames, that have been deleted
-	 * from collection.
-	 *
-	 * The $syncLevel argument is basically the 'depth' of the report. If it's
-	 * 1, you only have to report changes that happened only directly in
-	 * immediate descendants. If it's 2, it should also include changes from
-	 * the nodes below the child collections. (grandchildren)
-	 *
-	 * The $limit argument allows a client to specify how many results should
-	 * be returned at most. If the limit is not specified, it should be treated
-	 * as infinite.
-	 *
-	 * If the limit (infinite or not) is higher than you're willing to return,
-	 * you should throw a Sabre\DAV\Exception\TooMuchMatches() exception.
-	 *
-	 * If the syncToken is expired (due to data cleanup) or unknown, you must
-	 * return null.
-	 *
-	 * The limit is 'suggestive'. You are free to ignore it.
-	 *
-	 * @param string $calendarId
-	 * @param string $syncToken
-	 * @param int $syncLevel
-	 * @param int $limit
-	 * @param int $calendarType
-	 * @return array
-	 */
-	public function getChangesForCalendar($calendarId, $syncToken, $syncLevel, $limit = null, $calendarType = self::CALENDAR_TYPE_CALENDAR) {
-		// Current synctoken
-		$stmt = $this->db->prepare('SELECT `synctoken` FROM `*PREFIX*calendars` WHERE `id` = ?');
-		$stmt->execute([ $calendarId ]);
-		$currentToken = $stmt->fetchColumn(0);
-
-		if (is_null($currentToken)) {
-			return null;
-		}
-
-		$result = [
-			'syncToken' => $currentToken,
-			'added' => [],
-			'modified' => [],
-			'deleted' => [],
-		];
-
-		if ($syncToken) {
-			$query = "SELECT `uri`, `operation` FROM `*PREFIX*calendarchanges` WHERE `synctoken` >= ? AND `synctoken` < ? AND `calendarid` = ? AND `calendartype` = ? ORDER BY `synctoken`";
-			if ($limit > 0) {
-				$query .= " LIMIT " . (int)$limit;
-			}
-
-			// Fetching all changes
-			$stmt = $this->db->prepare($query);
-			$stmt->execute([$syncToken, $currentToken, $calendarId, $calendarType]);
-
-			$changes = [];
-
-			// This loop ensures that any duplicates are overwritten, only the
-			// last change on a node is relevant.
-			while ($row = $stmt->fetch(\PDO::FETCH_ASSOC)) {
-				$changes[$row['uri']] = $row['operation'];
-			}
-
-			foreach ($changes as $uri => $operation) {
-				switch ($operation) {
-					case 1:
-						$result['added'][] = $uri;
-						break;
-					case 2:
-						$result['modified'][] = $uri;
-						break;
-					case 3:
-						$result['deleted'][] = $uri;
-						break;
-				}
-			}
-		} else {
-			// No synctoken supplied, this is the initial sync.
-			$query = "SELECT `uri` FROM `*PREFIX*calendarobjects` WHERE `calendarid` = ? AND `calendartype` = ?";
-			$stmt = $this->db->prepare($query);
-			$stmt->execute([$calendarId, $calendarType]);
-
-			$result['added'] = $stmt->fetchAll(\PDO::FETCH_COLUMN);
-		}
-		return $result;
-	}
-
-	/**
-	 * Returns a list of subscriptions for a principal.
-	 *
-	 * Every subscription is an array with the following keys:
-	 *  * id, a unique id that will be used by other functions to modify the
-	 *    subscription. This can be the same as the uri or a database key.
-	 *  * uri. This is just the 'base uri' or 'filename' of the subscription.
-	 *  * principaluri. The owner of the subscription. Almost always the same as
-	 *    principalUri passed to this method.
-	 *
-	 * Furthermore, all the subscription info must be returned too:
-	 *
-	 * 1. {DAV:}displayname
-	 * 2. {http://apple.com/ns/ical/}refreshrate
-	 * 3. {http://calendarserver.org/ns/}subscribed-strip-todos (omit if todos
-	 *    should not be stripped).
-	 * 4. {http://calendarserver.org/ns/}subscribed-strip-alarms (omit if alarms
-	 *    should not be stripped).
-	 * 5. {http://calendarserver.org/ns/}subscribed-strip-attachments (omit if
-	 *    attachments should not be stripped).
-	 * 6. {http://calendarserver.org/ns/}source (Must be a
-	 *     Sabre\DAV\Property\Href).
-	 * 7. {http://apple.com/ns/ical/}calendar-color
-	 * 8. {http://apple.com/ns/ical/}calendar-order
-	 * 9. {urn:ietf:params:xml:ns:caldav}supported-calendar-component-set
-	 *    (should just be an instance of
-	 *    Sabre\CalDAV\Property\SupportedCalendarComponentSet, with a bunch of
-	 *    default components).
-	 *
-	 * @param string $principalUri
-	 * @return array
-	 */
-	public function getSubscriptionsForUser($principalUri) {
-		$fields = array_values($this->subscriptionPropertyMap);
-		$fields[] = 'id';
-		$fields[] = 'uri';
-		$fields[] = 'source';
-		$fields[] = 'principaluri';
-		$fields[] = 'lastmodified';
-		$fields[] = 'synctoken';
-
-		$query = $this->db->getQueryBuilder();
-		$query->select($fields)
-			->from('calendarsubscriptions')
-			->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)))
-			->orderBy('calendarorder', 'asc');
-		$stmt = $query->execute();
-
-		$subscriptions = [];
-		while ($row = $stmt->fetch(\PDO::FETCH_ASSOC)) {
-			$subscription = [
-				'id' => $row['id'],
-				'uri' => $row['uri'],
-				'principaluri' => $row['principaluri'],
-				'source' => $row['source'],
-				'lastmodified' => $row['lastmodified'],
-
-				'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet(['VTODO', 'VEVENT']),
-				'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
-			];
-
-			foreach ($this->subscriptionPropertyMap as $xmlName => $dbName) {
-				if (!is_null($row[$dbName])) {
-					$subscription[$xmlName] = $row[$dbName];
-				}
-			}
-
-			$subscriptions[] = $subscription;
-		}
-
-		return $subscriptions;
-	}
-
-	/**
-	 * Creates a new subscription for a principal.
-	 *
-	 * If the creation was a success, an id must be returned that can be used to reference
-	 * this subscription in other methods, such as updateSubscription.
-	 *
-	 * @param string $principalUri
-	 * @param string $uri
-	 * @param array $properties
-	 * @return mixed
-	 */
-	public function createSubscription($principalUri, $uri, array $properties) {
-		if (!isset($properties['{http://calendarserver.org/ns/}source'])) {
-			throw new Forbidden('The {http://calendarserver.org/ns/}source property is required when creating subscriptions');
-		}
-
-		$values = [
-			'principaluri' => $principalUri,
-			'uri' => $uri,
-			'source' => $properties['{http://calendarserver.org/ns/}source']->getHref(),
-			'lastmodified' => time(),
-		];
-
-		$propertiesBoolean = ['striptodos', 'stripalarms', 'stripattachments'];
-
-		foreach ($this->subscriptionPropertyMap as $xmlName => $dbName) {
-			if (array_key_exists($xmlName, $properties)) {
-				$values[$dbName] = $properties[$xmlName];
-				if (in_array($dbName, $propertiesBoolean)) {
-					$values[$dbName] = true;
-				}
-			}
-		}
-
-		$valuesToInsert = [];
-
-		$query = $this->db->getQueryBuilder();
-
-		foreach (array_keys($values) as $name) {
-			$valuesToInsert[$name] = $query->createNamedParameter($values[$name]);
-		}
-
-		$query->insert('calendarsubscriptions')
-			->values($valuesToInsert)
-			->execute();
-
-		$subscriptionId = $this->db->lastInsertId('*PREFIX*calendarsubscriptions');
-
-		$subscriptionRow = $this->getSubscriptionById($subscriptionId);
-		$this->dispatcher->dispatchTyped(new SubscriptionCreatedEvent((int)$subscriptionId, $subscriptionRow));
-		$this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::createSubscription', new GenericEvent(
-			'\OCA\DAV\CalDAV\CalDavBackend::createSubscription',
-			[
-				'subscriptionId' => $subscriptionId,
-				'subscriptionData' => $subscriptionRow,
-			]));
-
-		return $subscriptionId;
-	}
-
-	/**
-	 * Updates a subscription
-	 *
-	 * The list of mutations is stored in a Sabre\DAV\PropPatch object.
-	 * To do the actual updates, you must tell this object which properties
-	 * you're going to process with the handle() method.
-	 *
-	 * Calling the handle method is like telling the PropPatch object "I
-	 * promise I can handle updating this property".
-	 *
-	 * Read the PropPatch documentation for more info and examples.
-	 *
-	 * @param mixed $subscriptionId
-	 * @param PropPatch $propPatch
-	 * @return void
-	 */
-	public function updateSubscription($subscriptionId, PropPatch $propPatch) {
-		$supportedProperties = array_keys($this->subscriptionPropertyMap);
-		$supportedProperties[] = '{http://calendarserver.org/ns/}source';
-
-		$propPatch->handle($supportedProperties, function ($mutations) use ($subscriptionId) {
-			$newValues = [];
-
-			foreach ($mutations as $propertyName => $propertyValue) {
-				if ($propertyName === '{http://calendarserver.org/ns/}source') {
-					$newValues['source'] = $propertyValue->getHref();
-				} else {
-					$fieldName = $this->subscriptionPropertyMap[$propertyName];
-					$newValues[$fieldName] = $propertyValue;
-				}
-			}
-
-			$query = $this->db->getQueryBuilder();
-			$query->update('calendarsubscriptions')
-				->set('lastmodified', $query->createNamedParameter(time()));
-			foreach ($newValues as $fieldName => $value) {
-				$query->set($fieldName, $query->createNamedParameter($value));
-			}
-			$query->where($query->expr()->eq('id', $query->createNamedParameter($subscriptionId)))
-				->execute();
-
-			$subscriptionRow = $this->getSubscriptionById($subscriptionId);
-			$this->dispatcher->dispatchTyped(new SubscriptionUpdatedEvent((int)$subscriptionId, $subscriptionRow, [], $mutations));
-			$this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::updateSubscription', new GenericEvent(
-				'\OCA\DAV\CalDAV\CalDavBackend::updateSubscription',
-				[
-					'subscriptionId' => $subscriptionId,
-					'subscriptionData' => $subscriptionRow,
-					'propertyMutations' => $mutations,
-				]));
-
-			return true;
-		});
-	}
-
-	/**
-	 * Deletes a subscription.
-	 *
-	 * @param mixed $subscriptionId
-	 * @return void
-	 */
-	public function deleteSubscription($subscriptionId) {
-		$subscriptionRow = $this->getSubscriptionById($subscriptionId);
-
-		$this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::deleteSubscription', new GenericEvent(
-			'\OCA\DAV\CalDAV\CalDavBackend::deleteSubscription',
-			[
-				'subscriptionId' => $subscriptionId,
-				'subscriptionData' => $this->getSubscriptionById($subscriptionId),
-			]));
-
-		$query = $this->db->getQueryBuilder();
-		$query->delete('calendarsubscriptions')
-			->where($query->expr()->eq('id', $query->createNamedParameter($subscriptionId)))
-			->execute();
-
-		$query = $this->db->getQueryBuilder();
-		$query->delete('calendarobjects')
-			->where($query->expr()->eq('calendarid', $query->createNamedParameter($subscriptionId)))
-			->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter(self::CALENDAR_TYPE_SUBSCRIPTION)))
-			->execute();
-
-		$query->delete('calendarchanges')
-			->where($query->expr()->eq('calendarid', $query->createNamedParameter($subscriptionId)))
-			->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter(self::CALENDAR_TYPE_SUBSCRIPTION)))
-			->execute();
-
-		$query->delete($this->dbObjectPropertiesTable)
-			->where($query->expr()->eq('calendarid', $query->createNamedParameter($subscriptionId)))
-			->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter(self::CALENDAR_TYPE_SUBSCRIPTION)))
-			->execute();
-
-		if ($subscriptionRow) {
-			$this->dispatcher->dispatchTyped(new SubscriptionDeletedEvent((int)$subscriptionId, $subscriptionRow, []));
-		}
-	}
-
-	/**
-	 * Returns a single scheduling object for the inbox collection.
-	 *
-	 * The returned array should contain the following elements:
-	 *   * uri - A unique basename for the object. This will be used to
-	 *           construct a full uri.
-	 *   * calendardata - The iCalendar object
-	 *   * lastmodified - The last modification date. Can be an int for a unix
-	 *                    timestamp, or a PHP DateTime object.
-	 *   * etag - A unique token that must change if the object changed.
-	 *   * size - The size of the object, in bytes.
-	 *
-	 * @param string $principalUri
-	 * @param string $objectUri
-	 * @return array
-	 */
-	public function getSchedulingObject($principalUri, $objectUri) {
-		$query = $this->db->getQueryBuilder();
-		$stmt = $query->select(['uri', 'calendardata', 'lastmodified', 'etag', 'size'])
-			->from('schedulingobjects')
-			->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)))
-			->andWhere($query->expr()->eq('uri', $query->createNamedParameter($objectUri)))
-			->execute();
-
-		$row = $stmt->fetch(\PDO::FETCH_ASSOC);
-
-		if (!$row) {
-			return null;
-		}
-
-		return [
-			'uri' => $row['uri'],
-			'calendardata' => $row['calendardata'],
-			'lastmodified' => $row['lastmodified'],
-			'etag' => '"' . $row['etag'] . '"',
-			'size' => (int)$row['size'],
-		];
-	}
-
-	/**
-	 * Returns all scheduling objects for the inbox collection.
-	 *
-	 * These objects should be returned as an array. Every item in the array
-	 * should follow the same structure as returned from getSchedulingObject.
-	 *
-	 * The main difference is that 'calendardata' is optional.
-	 *
-	 * @param string $principalUri
-	 * @return array
-	 */
-	public function getSchedulingObjects($principalUri) {
-		$query = $this->db->getQueryBuilder();
-		$stmt = $query->select(['uri', 'calendardata', 'lastmodified', 'etag', 'size'])
-				->from('schedulingobjects')
-				->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)))
-				->execute();
-
-		$result = [];
-		foreach ($stmt->fetchAll(\PDO::FETCH_ASSOC) as $row) {
-			$result[] = [
-				'calendardata' => $row['calendardata'],
-				'uri' => $row['uri'],
-				'lastmodified' => $row['lastmodified'],
-				'etag' => '"' . $row['etag'] . '"',
-				'size' => (int)$row['size'],
-			];
-		}
-
-		return $result;
-	}
-
-	/**
-	 * Deletes a scheduling object from the inbox collection.
-	 *
-	 * @param string $principalUri
-	 * @param string $objectUri
-	 * @return void
-	 */
-	public function deleteSchedulingObject($principalUri, $objectUri) {
-		$query = $this->db->getQueryBuilder();
-		$query->delete('schedulingobjects')
-				->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)))
-				->andWhere($query->expr()->eq('uri', $query->createNamedParameter($objectUri)))
-				->execute();
-	}
-
-	/**
-	 * Creates a new scheduling object. This should land in a users' inbox.
-	 *
-	 * @param string $principalUri
-	 * @param string $objectUri
-	 * @param string $objectData
-	 * @return void
-	 */
-	public function createSchedulingObject($principalUri, $objectUri, $objectData) {
-		$query = $this->db->getQueryBuilder();
-		$query->insert('schedulingobjects')
-			->values([
-				'principaluri' => $query->createNamedParameter($principalUri),
-				'calendardata' => $query->createNamedParameter($objectData, IQueryBuilder::PARAM_LOB),
-				'uri' => $query->createNamedParameter($objectUri),
-				'lastmodified' => $query->createNamedParameter(time()),
-				'etag' => $query->createNamedParameter(md5($objectData)),
-				'size' => $query->createNamedParameter(strlen($objectData))
-			])
-			->execute();
-	}
-
-	/**
-	 * Adds a change record to the calendarchanges table.
-	 *
-	 * @param mixed $calendarId
-	 * @param string $objectUri
-	 * @param int $operation 1 = add, 2 = modify, 3 = delete.
-	 * @param int $calendarType
-	 * @return void
-	 */
-	protected function addChange($calendarId, $objectUri, $operation, $calendarType = self::CALENDAR_TYPE_CALENDAR) {
-		$table = $calendarType === self::CALENDAR_TYPE_CALENDAR ? 'calendars': 'calendarsubscriptions';
-
-		$query = $this->db->getQueryBuilder();
-		$query->select('synctoken')
-			->from($table)
-			->where($query->expr()->eq('id', $query->createNamedParameter($calendarId)));
-		$result = $query->execute();
-		$syncToken = (int)$result->fetchColumn();
-		$result->closeCursor();
-
-		$query = $this->db->getQueryBuilder();
-		$query->insert('calendarchanges')
-			->values([
-				'uri' => $query->createNamedParameter($objectUri),
-				'synctoken' => $query->createNamedParameter($syncToken),
-				'calendarid' => $query->createNamedParameter($calendarId),
-				'operation' => $query->createNamedParameter($operation),
-				'calendartype' => $query->createNamedParameter($calendarType),
-			])
-			->execute();
-
-		$stmt = $this->db->prepare("UPDATE `*PREFIX*$table` SET `synctoken` = `synctoken` + 1 WHERE `id` = ?");
-		$stmt->execute([
-			$calendarId
-		]);
-	}
-
-	/**
-	 * Parses some information from calendar objects, used for optimized
-	 * calendar-queries.
-	 *
-	 * Returns an array with the following keys:
-	 *   * etag - An md5 checksum of the object without the quotes.
-	 *   * size - Size of the object in bytes
-	 *   * componentType - VEVENT, VTODO or VJOURNAL
-	 *   * firstOccurence
-	 *   * lastOccurence
-	 *   * uid - value of the UID property
-	 *
-	 * @param string $calendarData
-	 * @return array
-	 */
-	public function getDenormalizedData($calendarData) {
-		$vObject = Reader::read($calendarData);
-		$vEvents = [];
-		$componentType = null;
-		$component = null;
-		$firstOccurrence = null;
-		$lastOccurrence = null;
-		$uid = null;
-		$classification = self::CLASSIFICATION_PUBLIC;
-		$hasDTSTART = false;
-		foreach ($vObject->getComponents() as $component) {
-			if ($component->name !== 'VTIMEZONE') {
-				// Finding all VEVENTs, and track them
-				if ($component->name === 'VEVENT') {
-					array_push($vEvents, $component);
-					if ($component->DTSTART) {
-						$hasDTSTART = true;
-					}
-				}
-				// Track first component type and uid
-				if ($uid === null) {
-					$componentType = $component->name;
-					$uid = (string)$component->UID;
-				}
-			}
-		}
-		if (!$componentType) {
-			throw new \Sabre\DAV\Exception\BadRequest('Calendar objects must have a VJOURNAL, VEVENT or VTODO component');
-		}
-
-		if ($hasDTSTART) {
-			$component = $vEvents[0];
-
-			// Finding the last occurrence is a bit harder
-			if (!isset($component->RRULE) && count($vEvents) === 1) {
-				$firstOccurrence = $component->DTSTART->getDateTime()->getTimeStamp();
-				if (isset($component->DTEND)) {
-					$lastOccurrence = $component->DTEND->getDateTime()->getTimeStamp();
-				} elseif (isset($component->DURATION)) {
-					$endDate = clone $component->DTSTART->getDateTime();
-					$endDate->add(DateTimeParser::parse($component->DURATION->getValue()));
-					$lastOccurrence = $endDate->getTimeStamp();
-				} elseif (!$component->DTSTART->hasTime()) {
-					$endDate = clone $component->DTSTART->getDateTime();
-					$endDate->modify('+1 day');
-					$lastOccurrence = $endDate->getTimeStamp();
-				} else {
-					$lastOccurrence = $firstOccurrence;
-				}
-			} else {
-				$it = new EventIterator($vEvents);
-				$maxDate = new DateTime(self::MAX_DATE);
-				$firstOccurrence = $it->getDtStart()->getTimestamp();
-				if ($it->isInfinite()) {
-					$lastOccurrence = $maxDate->getTimestamp();
-				} else {
-					$end = $it->getDtEnd();
-					while ($it->valid() && $end < $maxDate) {
-						$end = $it->getDtEnd();
-						$it->next();
-					}
-					$lastOccurrence = $end->getTimestamp();
-				}
-			}
-		}
-
-		if ($component->CLASS) {
-			$classification = CalDavBackend::CLASSIFICATION_PRIVATE;
-			switch ($component->CLASS->getValue()) {
-				case 'PUBLIC':
-					$classification = CalDavBackend::CLASSIFICATION_PUBLIC;
-					break;
-				case 'CONFIDENTIAL':
-					$classification = CalDavBackend::CLASSIFICATION_CONFIDENTIAL;
-					break;
-			}
-		}
-		return [
-			'etag' => md5($calendarData),
-			'size' => strlen($calendarData),
-			'componentType' => $componentType,
-			'firstOccurence' => is_null($firstOccurrence) ? null : max(0, $firstOccurrence),
-			'lastOccurence' => $lastOccurrence,
-			'uid' => $uid,
-			'classification' => $classification
-		];
-	}
-
-	/**
-	 * @param $cardData
-	 * @return bool|string
-	 */
-	private function readBlob($cardData) {
-		if (is_resource($cardData)) {
-			return stream_get_contents($cardData);
-		}
-
-		return $cardData;
-	}
-
-	/**
-	 * @param IShareable $shareable
-	 * @param array $add
-	 * @param array $remove
-	 */
-	public function updateShares($shareable, $add, $remove) {
-		$calendarId = $shareable->getResourceId();
-		$calendarRow = $this->getCalendarById($calendarId);
-		$oldShares = $this->getShares($calendarId);
-
-		$this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::updateShares', new GenericEvent(
-			'\OCA\DAV\CalDAV\CalDavBackend::updateShares',
-			[
-				'calendarId' => $calendarId,
-				'calendarData' => $calendarRow,
-				'shares' => $oldShares,
-				'add' => $add,
-				'remove' => $remove,
-			]));
-		$this->calendarSharingBackend->updateShares($shareable, $add, $remove);
-
-		$this->dispatcher->dispatchTyped(new CalendarShareUpdatedEvent((int)$calendarId, $calendarRow, $oldShares, $add, $remove));
-	}
-
-	/**
-	 * @param int $resourceId
-	 * @param int $calendarType
-	 * @return array
-	 */
-	public function getShares($resourceId, $calendarType = self::CALENDAR_TYPE_CALENDAR) {
-		return $this->calendarSharingBackend->getShares($resourceId);
-	}
-
-	/**
-	 * @param boolean $value
-	 * @param \OCA\DAV\CalDAV\Calendar $calendar
-	 * @return string|null
-	 */
-	public function setPublishStatus($value, $calendar) {
-		$calendarId = $calendar->getResourceId();
-		$calendarData = $this->getCalendarById($calendarId);
-		$this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::publishCalendar', new GenericEvent(
-			'\OCA\DAV\CalDAV\CalDavBackend::updateShares',
-			[
-				'calendarId' => $calendarId,
-				'calendarData' => $calendarData,
-				'public' => $value,
-			]));
-
-		$query = $this->db->getQueryBuilder();
-		if ($value) {
-			$publicUri = $this->random->generate(16, ISecureRandom::CHAR_HUMAN_READABLE);
-			$query->insert('dav_shares')
-				->values([
-					'principaluri' => $query->createNamedParameter($calendar->getPrincipalURI()),
-					'type' => $query->createNamedParameter('calendar'),
-					'access' => $query->createNamedParameter(self::ACCESS_PUBLIC),
-					'resourceid' => $query->createNamedParameter($calendar->getResourceId()),
-					'publicuri' => $query->createNamedParameter($publicUri)
-				]);
-			$query->execute();
-
-			$this->dispatcher->dispatchTyped(new CalendarPublishedEvent((int)$calendarId, $calendarData, $publicUri));
-			return $publicUri;
-		}
-		$query->delete('dav_shares')
-			->where($query->expr()->eq('resourceid', $query->createNamedParameter($calendar->getResourceId())))
-			->andWhere($query->expr()->eq('access', $query->createNamedParameter(self::ACCESS_PUBLIC)));
-		$query->execute();
-
-		$this->dispatcher->dispatchTyped(new CalendarUnpublishedEvent((int)$calendarId, $calendarData));
-		return null;
-	}
-
-	/**
-	 * @param \OCA\DAV\CalDAV\Calendar $calendar
-	 * @return mixed
-	 */
-	public function getPublishStatus($calendar) {
-		$query = $this->db->getQueryBuilder();
-		$result = $query->select('publicuri')
-			->from('dav_shares')
-			->where($query->expr()->eq('resourceid', $query->createNamedParameter($calendar->getResourceId())))
-			->andWhere($query->expr()->eq('access', $query->createNamedParameter(self::ACCESS_PUBLIC)))
-			->execute();
-
-		$row = $result->fetch();
-		$result->closeCursor();
-		return $row ? reset($row) : false;
-	}
-
-	/**
-	 * @param int $resourceId
-	 * @param array $acl
-	 * @return array
-	 */
-	public function applyShareAcl($resourceId, $acl) {
-		return $this->calendarSharingBackend->applyShareAcl($resourceId, $acl);
-	}
-
-
-
-	/**
-	 * update properties table
-	 *
-	 * @param int $calendarId
-	 * @param string $objectUri
-	 * @param string $calendarData
-	 * @param int $calendarType
-	 */
-	public function updateProperties($calendarId, $objectUri, $calendarData, $calendarType = self::CALENDAR_TYPE_CALENDAR) {
-		$objectId = $this->getCalendarObjectId($calendarId, $objectUri, $calendarType);
-
-		try {
-			$vCalendar = $this->readCalendarData($calendarData);
-		} catch (\Exception $ex) {
-			return;
-		}
-
-		$this->purgeProperties($calendarId, $objectId);
-
-		$query = $this->db->getQueryBuilder();
-		$query->insert($this->dbObjectPropertiesTable)
-			->values(
-				[
-					'calendarid' => $query->createNamedParameter($calendarId),
-					'calendartype' => $query->createNamedParameter($calendarType),
-					'objectid' => $query->createNamedParameter($objectId),
-					'name' => $query->createParameter('name'),
-					'parameter' => $query->createParameter('parameter'),
-					'value' => $query->createParameter('value'),
-				]
-			);
-
-		$indexComponents = ['VEVENT', 'VJOURNAL', 'VTODO'];
-		foreach ($vCalendar->getComponents() as $component) {
-			if (!in_array($component->name, $indexComponents)) {
-				continue;
-			}
-
-			foreach ($component->children() as $property) {
-				if (in_array($property->name, self::$indexProperties)) {
-					$value = $property->getValue();
-					// is this a shitty db?
-					if (!$this->db->supports4ByteText()) {
-						$value = preg_replace('/[\x{10000}-\x{10FFFF}]/u', "\xEF\xBF\xBD", $value);
-					}
-					$value = mb_substr($value, 0, 254);
-
-					$query->setParameter('name', $property->name);
-					$query->setParameter('parameter', null);
-					$query->setParameter('value', $value);
-					$query->execute();
-				}
-
-				if (array_key_exists($property->name, self::$indexParameters)) {
-					$parameters = $property->parameters();
-					$indexedParametersForProperty = self::$indexParameters[$property->name];
-
-					foreach ($parameters as $key => $value) {
-						if (in_array($key, $indexedParametersForProperty)) {
-							// is this a shitty db?
-							if ($this->db->supports4ByteText()) {
-								$value = preg_replace('/[\x{10000}-\x{10FFFF}]/u', "\xEF\xBF\xBD", $value);
-							}
-
-							$query->setParameter('name', $property->name);
-							$query->setParameter('parameter', mb_substr($key, 0, 254));
-							$query->setParameter('value', mb_substr($value, 0, 254));
-							$query->execute();
-						}
-					}
-				}
-			}
-		}
-	}
-
-	/**
-	 * deletes all birthday calendars
-	 */
-	public function deleteAllBirthdayCalendars() {
-		$query = $this->db->getQueryBuilder();
-		$result = $query->select(['id'])->from('calendars')
-			->where($query->expr()->eq('uri', $query->createNamedParameter(BirthdayService::BIRTHDAY_CALENDAR_URI)))
-			->execute();
-
-		$ids = $result->fetchAll();
-		foreach ($ids as $id) {
-			$this->deleteCalendar($id['id']);
-		}
-	}
-
-	/**
-	 * @param $subscriptionId
-	 */
-	public function purgeAllCachedEventsForSubscription($subscriptionId) {
-		$query = $this->db->getQueryBuilder();
-		$query->select('uri')
-			->from('calendarobjects')
-			->where($query->expr()->eq('calendarid', $query->createNamedParameter($subscriptionId)))
-			->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter(self::CALENDAR_TYPE_SUBSCRIPTION)));
-		$stmt = $query->execute();
-
-		$uris = [];
-		foreach ($stmt->fetchAll(\PDO::FETCH_ASSOC) as $row) {
-			$uris[] = $row['uri'];
-		}
-		$stmt->closeCursor();
-
-		$query = $this->db->getQueryBuilder();
-		$query->delete('calendarobjects')
-			->where($query->expr()->eq('calendarid', $query->createNamedParameter($subscriptionId)))
-			->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter(self::CALENDAR_TYPE_SUBSCRIPTION)))
-			->execute();
-
-		$query->delete('calendarchanges')
-			->where($query->expr()->eq('calendarid', $query->createNamedParameter($subscriptionId)))
-			->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter(self::CALENDAR_TYPE_SUBSCRIPTION)))
-			->execute();
-
-		$query->delete($this->dbObjectPropertiesTable)
-			->where($query->expr()->eq('calendarid', $query->createNamedParameter($subscriptionId)))
-			->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter(self::CALENDAR_TYPE_SUBSCRIPTION)))
-			->execute();
-
-		foreach ($uris as $uri) {
-			$this->addChange($subscriptionId, $uri, 3, self::CALENDAR_TYPE_SUBSCRIPTION);
-		}
-	}
-
-	/**
-	 * Move a calendar from one user to another
-	 *
-	 * @param string $uriName
-	 * @param string $uriOrigin
-	 * @param string $uriDestination
-	 */
-	public function moveCalendar($uriName, $uriOrigin, $uriDestination) {
-		$query = $this->db->getQueryBuilder();
-		$query->update('calendars')
-			->set('principaluri', $query->createNamedParameter($uriDestination))
-			->where($query->expr()->eq('principaluri', $query->createNamedParameter($uriOrigin)))
-			->andWhere($query->expr()->eq('uri', $query->createNamedParameter($uriName)))
-			->execute();
-	}
-
-	/**
-	 * read VCalendar data into a VCalendar object
-	 *
-	 * @param string $objectData
-	 * @return VCalendar
-	 */
-	protected function readCalendarData($objectData) {
-		return Reader::read($objectData);
-	}
-
-	/**
-	 * delete all properties from a given calendar object
-	 *
-	 * @param int $calendarId
-	 * @param int $objectId
-	 */
-	protected function purgeProperties($calendarId, $objectId) {
-		$query = $this->db->getQueryBuilder();
-		$query->delete($this->dbObjectPropertiesTable)
-			->where($query->expr()->eq('objectid', $query->createNamedParameter($objectId)))
-			->andWhere($query->expr()->eq('calendarid', $query->createNamedParameter($calendarId)));
-		$query->execute();
-	}
-
-	/**
-	 * get ID from a given calendar object
-	 *
-	 * @param int $calendarId
-	 * @param string $uri
-	 * @param int $calendarType
-	 * @return int
-	 */
-	protected function getCalendarObjectId($calendarId, $uri, $calendarType):int {
-		$query = $this->db->getQueryBuilder();
-		$query->select('id')
-			->from('calendarobjects')
-			->where($query->expr()->eq('uri', $query->createNamedParameter($uri)))
-			->andWhere($query->expr()->eq('calendarid', $query->createNamedParameter($calendarId)))
-			->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter($calendarType)));
-
-		$result = $query->execute();
-		$objectIds = $result->fetch();
-		$result->closeCursor();
-
-		if (!isset($objectIds['id'])) {
-			throw new \InvalidArgumentException('Calendarobject does not exists: ' . $uri);
-		}
-
-		return (int)$objectIds['id'];
-	}
-
-	/**
-	 * return legacy endpoint principal name to new principal name
-	 *
-	 * @param $principalUri
-	 * @param $toV2
-	 * @return string
-	 */
-	private function convertPrincipal($principalUri, $toV2) {
-		if ($this->principalBackend->getPrincipalPrefix() === 'principals') {
-			list(, $name) = Uri\split($principalUri);
-			if ($toV2 === true) {
-				return "principals/users/$name";
-			}
-			return "principals/$name";
-		}
-		return $principalUri;
-	}
-
-	/**
-	 * adds information about an owner to the calendar data
-	 *
-	 * @param $calendarInfo
-	 */
-	private function addOwnerPrincipal(&$calendarInfo) {
-		$ownerPrincipalKey = '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal';
-		$displaynameKey = '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_NEXTCLOUD . '}owner-displayname';
-		if (isset($calendarInfo[$ownerPrincipalKey])) {
-			$uri = $calendarInfo[$ownerPrincipalKey];
-		} else {
-			$uri = $calendarInfo['principaluri'];
-		}
-
-		$principalInformation = $this->principalBackend->getPrincipalByPath($uri);
-		if (isset($principalInformation['{DAV:}displayname'])) {
-			$calendarInfo[$displaynameKey] = $principalInformation['{DAV:}displayname'];
-		}
-	}
+    public const CALENDAR_TYPE_CALENDAR = 0;
+    public const CALENDAR_TYPE_SUBSCRIPTION = 1;
+
+    public const PERSONAL_CALENDAR_URI = 'personal';
+    public const PERSONAL_CALENDAR_NAME = 'Personal';
+
+    public const RESOURCE_BOOKING_CALENDAR_URI = 'calendar';
+    public const RESOURCE_BOOKING_CALENDAR_NAME = 'Calendar';
+
+    /**
+     * We need to specify a max date, because we need to stop *somewhere*
+     *
+     * On 32 bit system the maximum for a signed integer is 2147483647, so
+     * MAX_DATE cannot be higher than date('Y-m-d', 2147483647) which results
+     * in 2038-01-19 to avoid problems when the date is converted
+     * to a unix timestamp.
+     */
+    public const MAX_DATE = '2038-01-01';
+
+    public const ACCESS_PUBLIC = 4;
+    public const CLASSIFICATION_PUBLIC = 0;
+    public const CLASSIFICATION_PRIVATE = 1;
+    public const CLASSIFICATION_CONFIDENTIAL = 2;
+
+    /**
+     * List of CalDAV properties, and how they map to database field names
+     * Add your own properties by simply adding on to this array.
+     *
+     * Note that only string-based properties are supported here.
+     *
+     * @var array
+     */
+    public $propertyMap = [
+        '{DAV:}displayname' => 'displayname',
+        '{urn:ietf:params:xml:ns:caldav}calendar-description' => 'description',
+        '{urn:ietf:params:xml:ns:caldav}calendar-timezone' => 'timezone',
+        '{http://apple.com/ns/ical/}calendar-order' => 'calendarorder',
+        '{http://apple.com/ns/ical/}calendar-color' => 'calendarcolor',
+    ];
+
+    /**
+     * List of subscription properties, and how they map to database field names.
+     *
+     * @var array
+     */
+    public $subscriptionPropertyMap = [
+        '{DAV:}displayname' => 'displayname',
+        '{http://apple.com/ns/ical/}refreshrate' => 'refreshrate',
+        '{http://apple.com/ns/ical/}calendar-order' => 'calendarorder',
+        '{http://apple.com/ns/ical/}calendar-color' => 'calendarcolor',
+        '{http://calendarserver.org/ns/}subscribed-strip-todos' => 'striptodos',
+        '{http://calendarserver.org/ns/}subscribed-strip-alarms' => 'stripalarms',
+        '{http://calendarserver.org/ns/}subscribed-strip-attachments' => 'stripattachments',
+    ];
+
+    /** @var array properties to index */
+    public static $indexProperties = ['CATEGORIES', 'COMMENT', 'DESCRIPTION',
+        'LOCATION', 'RESOURCES', 'STATUS', 'SUMMARY', 'ATTENDEE', 'CONTACT',
+        'ORGANIZER'];
+
+    /** @var array parameters to index */
+    public static $indexParameters = [
+        'ATTENDEE' => ['CN'],
+        'ORGANIZER' => ['CN'],
+    ];
+
+    /**
+     * @var string[] Map of uid => display name
+     */
+    protected $userDisplayNames;
+
+    /** @var IDBConnection */
+    private $db;
+
+    /** @var Backend */
+    private $calendarSharingBackend;
+
+    /** @var Principal */
+    private $principalBackend;
+
+    /** @var IUserManager */
+    private $userManager;
+
+    /** @var ISecureRandom */
+    private $random;
+
+    /** @var ILogger */
+    private $logger;
+
+    /** @var IEventDispatcher */
+    private $dispatcher;
+
+    /** @var EventDispatcherInterface */
+    private $legacyDispatcher;
+
+    /** @var bool */
+    private $legacyEndpoint;
+
+    /** @var string */
+    private $dbObjectPropertiesTable = 'calendarobjects_props';
+
+    /**
+     * CalDavBackend constructor.
+     *
+     * @param IDBConnection $db
+     * @param Principal $principalBackend
+     * @param IUserManager $userManager
+     * @param IGroupManager $groupManager
+     * @param ISecureRandom $random
+     * @param ILogger $logger
+     * @param IEventDispatcher $dispatcher
+     * @param EventDispatcherInterface $legacyDispatcher
+     * @param bool $legacyEndpoint
+     */
+    public function __construct(IDBConnection $db,
+                                Principal $principalBackend,
+                                IUserManager $userManager,
+                                IGroupManager $groupManager,
+                                ISecureRandom $random,
+                                ILogger $logger,
+                                IEventDispatcher $dispatcher,
+                                EventDispatcherInterface $legacyDispatcher,
+                                bool $legacyEndpoint = false) {
+        $this->db = $db;
+        $this->principalBackend = $principalBackend;
+        $this->userManager = $userManager;
+        $this->calendarSharingBackend = new Backend($this->db, $this->userManager, $groupManager, $principalBackend, 'calendar');
+        $this->random = $random;
+        $this->logger = $logger;
+        $this->dispatcher = $dispatcher;
+        $this->legacyDispatcher = $legacyDispatcher;
+        $this->legacyEndpoint = $legacyEndpoint;
+    }
+
+    /**
+     * Return the number of calendars for a principal
+     *
+     * By default this excludes the automatically generated birthday calendar
+     *
+     * @param $principalUri
+     * @param bool $excludeBirthday
+     * @return int
+     */
+    public function getCalendarsForUserCount($principalUri, $excludeBirthday = true) {
+        $principalUri = $this->convertPrincipal($principalUri, true);
+        $query = $this->db->getQueryBuilder();
+        $query->select($query->func()->count('*'))
+            ->from('calendars');
+
+        if ($principalUri === '') {
+            $query->where($query->expr()->emptyString('principaluri'));
+        } else {
+            $query->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)));
+        }
+
+        if ($excludeBirthday) {
+            $query->andWhere($query->expr()->neq('uri', $query->createNamedParameter(BirthdayService::BIRTHDAY_CALENDAR_URI)));
+        }
+
+        $result = $query->execute();
+        $column = (int)$result->fetchColumn();
+        $result->closeCursor();
+        return $column;
+    }
+
+    /**
+     * Returns a list of calendars for a principal.
+     *
+     * Every project is an array with the following keys:
+     *  * id, a unique id that will be used by other functions to modify the
+     *    calendar. This can be the same as the uri or a database key.
+     *  * uri, which the basename of the uri with which the calendar is
+     *    accessed.
+     *  * principaluri. The owner of the calendar. Almost always the same as
+     *    principalUri passed to this method.
+     *
+     * Furthermore it can contain webdav properties in clark notation. A very
+     * common one is '{DAV:}displayname'.
+     *
+     * Many clients also require:
+     * {urn:ietf:params:xml:ns:caldav}supported-calendar-component-set
+     * For this property, you can just return an instance of
+     * Sabre\CalDAV\Property\SupportedCalendarComponentSet.
+     *
+     * If you return {http://sabredav.org/ns}read-only and set the value to 1,
+     * ACL will automatically be put in read-only mode.
+     *
+     * @param string $principalUri
+     * @return array
+     */
+    public function getCalendarsForUser($principalUri) {
+        $principalUriOriginal = $principalUri;
+        $principalUri = $this->convertPrincipal($principalUri, true);
+        $fields = array_values($this->propertyMap);
+        $fields[] = 'id';
+        $fields[] = 'uri';
+        $fields[] = 'synctoken';
+        $fields[] = 'components';
+        $fields[] = 'principaluri';
+        $fields[] = 'transparent';
+
+        // Making fields a comma-delimited list
+        $query = $this->db->getQueryBuilder();
+        $query->select($fields)
+            ->from('calendars')
+            ->orderBy('calendarorder', 'ASC');
+
+        if ($principalUri === '') {
+            $query->where($query->expr()->emptyString('principaluri'));
+        } else {
+            $query->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)));
+        }
+
+        $result = $query->execute();
+
+        $calendars = [];
+        while ($row = $result->fetch()) {
+            $row['principaluri'] = (string) $row['principaluri'];
+            $components = [];
+            if ($row['components']) {
+                $components = explode(',',$row['components']);
+            }
+
+            $calendar = [
+                'id' => $row['id'],
+                'uri' => $row['uri'],
+                'principaluri' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
+                '{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken']?$row['synctoken']:'0'),
+                '{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
+                '{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
+                '{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent']?'transparent':'opaque'),
+                '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal' => $this->convertPrincipal($principalUri, !$this->legacyEndpoint),
+            ];
+
+            foreach ($this->propertyMap as $xmlName => $dbName) {
+                $calendar[$xmlName] = $row[$dbName];
+            }
+
+            $this->addOwnerPrincipal($calendar);
+
+            if (!isset($calendars[$calendar['id']])) {
+                $calendars[$calendar['id']] = $calendar;
+            }
+        }
+        $result->closeCursor();
+
+        // query for shared calendars
+        $principals = $this->principalBackend->getGroupMembership($principalUriOriginal, true);
+        $principals = array_merge($principals, $this->principalBackend->getCircleMembership($principalUriOriginal));
+
+        $principals = array_map(function ($principal) {
+            return urldecode($principal);
+        }, $principals);
+        $principals[] = $principalUri;
+
+        $fields = array_values($this->propertyMap);
+        $fields[] = 'a.id';
+        $fields[] = 'a.uri';
+        $fields[] = 'a.synctoken';
+        $fields[] = 'a.components';
+        $fields[] = 'a.principaluri';
+        $fields[] = 'a.transparent';
+        $fields[] = 's.access';
+        $query = $this->db->getQueryBuilder();
+        $query->select($fields)
+            ->from('dav_shares', 's')
+            ->join('s', 'calendars', 'a', $query->expr()->eq('s.resourceid', 'a.id'))
+            ->where($query->expr()->in('s.principaluri', $query->createParameter('principaluri')))
+            ->andWhere($query->expr()->eq('s.type', $query->createParameter('type')))
+            ->setParameter('type', 'calendar')
+            ->setParameter('principaluri', $principals, \Doctrine\DBAL\Connection::PARAM_STR_ARRAY);
+
+        $result	= $query->execute();
+
+        $readOnlyPropertyName = '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}read-only';
+        while ($row = $result->fetch()) {
+            $row['principaluri'] = (string) $row['principaluri'];
+            if ($row['principaluri'] === $principalUri) {
+                continue;
+            }
+
+            $readOnly = (int) $row['access'] === Backend::ACCESS_READ;
+            if (isset($calendars[$row['id']])) {
+                if ($readOnly) {
+                    // New share can not have more permissions then the old one.
+                    continue;
+                }
+                if (isset($calendars[$row['id']][$readOnlyPropertyName]) &&
+                    $calendars[$row['id']][$readOnlyPropertyName] === 0) {
+                    // Old share is already read-write, no more permissions can be gained
+                    continue;
+                }
+            }
+
+            list(, $name) = Uri\split($row['principaluri']);
+            $uri = $row['uri'] . '_shared_by_' . $name;
+            $row['displayname'] = $row['displayname'] . ' (' . $this->getUserDisplayName($name) . ')';
+            $components = [];
+            if ($row['components']) {
+                $components = explode(',',$row['components']);
+            }
+            $calendar = [
+                'id' => $row['id'],
+                'uri' => $uri,
+                'principaluri' => $this->convertPrincipal($principalUri, !$this->legacyEndpoint),
+                '{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken']?$row['synctoken']:'0'),
+                '{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
+                '{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
+                '{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp('transparent'),
+                '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
+                $readOnlyPropertyName => $readOnly,
+            ];
+
+            foreach ($this->propertyMap as $xmlName => $dbName) {
+                $calendar[$xmlName] = $row[$dbName];
+            }
+
+            $this->addOwnerPrincipal($calendar);
+
+            $calendars[$calendar['id']] = $calendar;
+        }
+        $result->closeCursor();
+
+        return array_values($calendars);
+    }
+
+    /**
+     * @param $principalUri
+     * @return array
+     */
+    public function getUsersOwnCalendars($principalUri) {
+        $principalUri = $this->convertPrincipal($principalUri, true);
+        $fields = array_values($this->propertyMap);
+        $fields[] = 'id';
+        $fields[] = 'uri';
+        $fields[] = 'synctoken';
+        $fields[] = 'components';
+        $fields[] = 'principaluri';
+        $fields[] = 'transparent';
+        // Making fields a comma-delimited list
+        $query = $this->db->getQueryBuilder();
+        $query->select($fields)->from('calendars')
+            ->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)))
+            ->orderBy('calendarorder', 'ASC');
+        $stmt = $query->execute();
+        $calendars = [];
+        while ($row = $stmt->fetch(\PDO::FETCH_ASSOC)) {
+            $row['principaluri'] = (string) $row['principaluri'];
+            $components = [];
+            if ($row['components']) {
+                $components = explode(',',$row['components']);
+            }
+            $calendar = [
+                'id' => $row['id'],
+                'uri' => $row['uri'],
+                'principaluri' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
+                '{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken']?$row['synctoken']:'0'),
+                '{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
+                '{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
+                '{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent']?'transparent':'opaque'),
+            ];
+            foreach ($this->propertyMap as $xmlName => $dbName) {
+                $calendar[$xmlName] = $row[$dbName];
+            }
+
+            $this->addOwnerPrincipal($calendar);
+
+            if (!isset($calendars[$calendar['id']])) {
+                $calendars[$calendar['id']] = $calendar;
+            }
+        }
+        $stmt->closeCursor();
+        return array_values($calendars);
+    }
+
+
+    /**
+     * @param $uid
+     * @return string
+     */
+    private function getUserDisplayName($uid) {
+        if (!isset($this->userDisplayNames[$uid])) {
+            $user = $this->userManager->get($uid);
+
+            if ($user instanceof IUser) {
+                $this->userDisplayNames[$uid] = $user->getDisplayName();
+            } else {
+                $this->userDisplayNames[$uid] = $uid;
+            }
+        }
+
+        return $this->userDisplayNames[$uid];
+    }
+
+    /**
+     * @return array
+     */
+    public function getPublicCalendars() {
+        $fields = array_values($this->propertyMap);
+        $fields[] = 'a.id';
+        $fields[] = 'a.uri';
+        $fields[] = 'a.synctoken';
+        $fields[] = 'a.components';
+        $fields[] = 'a.principaluri';
+        $fields[] = 'a.transparent';
+        $fields[] = 's.access';
+        $fields[] = 's.publicuri';
+        $calendars = [];
+        $query = $this->db->getQueryBuilder();
+        $result = $query->select($fields)
+            ->from('dav_shares', 's')
+            ->join('s', 'calendars', 'a', $query->expr()->eq('s.resourceid', 'a.id'))
+            ->where($query->expr()->in('s.access', $query->createNamedParameter(self::ACCESS_PUBLIC)))
+            ->andWhere($query->expr()->eq('s.type', $query->createNamedParameter('calendar')))
+            ->execute();
+
+        while ($row = $result->fetch()) {
+            $row['principaluri'] = (string) $row['principaluri'];
+            list(, $name) = Uri\split($row['principaluri']);
+            $row['displayname'] = $row['displayname'] . "($name)";
+            $components = [];
+            if ($row['components']) {
+                $components = explode(',',$row['components']);
+            }
+            $calendar = [
+                'id' => $row['id'],
+                'uri' => $row['publicuri'],
+                'principaluri' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
+                '{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken']?$row['synctoken']:'0'),
+                '{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
+                '{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
+                '{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent']?'transparent':'opaque'),
+                '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal' => $this->convertPrincipal($row['principaluri'], $this->legacyEndpoint),
+                '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}read-only' => (int)$row['access'] === Backend::ACCESS_READ,
+                '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}public' => (int)$row['access'] === self::ACCESS_PUBLIC,
+            ];
+
+            foreach ($this->propertyMap as $xmlName => $dbName) {
+                $calendar[$xmlName] = $row[$dbName];
+            }
+
+            $this->addOwnerPrincipal($calendar);
+
+            if (!isset($calendars[$calendar['id']])) {
+                $calendars[$calendar['id']] = $calendar;
+            }
+        }
+        $result->closeCursor();
+
+        return array_values($calendars);
+    }
+
+    /**
+     * @param string $uri
+     * @return array
+     * @throws NotFound
+     */
+    public function getPublicCalendar($uri) {
+        $fields = array_values($this->propertyMap);
+        $fields[] = 'a.id';
+        $fields[] = 'a.uri';
+        $fields[] = 'a.synctoken';
+        $fields[] = 'a.components';
+        $fields[] = 'a.principaluri';
+        $fields[] = 'a.transparent';
+        $fields[] = 's.access';
+        $fields[] = 's.publicuri';
+        $query = $this->db->getQueryBuilder();
+        $result = $query->select($fields)
+            ->from('dav_shares', 's')
+            ->join('s', 'calendars', 'a', $query->expr()->eq('s.resourceid', 'a.id'))
+            ->where($query->expr()->in('s.access', $query->createNamedParameter(self::ACCESS_PUBLIC)))
+            ->andWhere($query->expr()->eq('s.type', $query->createNamedParameter('calendar')))
+            ->andWhere($query->expr()->eq('s.publicuri', $query->createNamedParameter($uri)))
+            ->execute();
+
+        $row = $result->fetch(\PDO::FETCH_ASSOC);
+
+        $result->closeCursor();
+
+        if ($row === false) {
+            throw new NotFound('Node with name \'' . $uri . '\' could not be found');
+        }
+
+        $row['principaluri'] = (string) $row['principaluri'];
+        list(, $name) = Uri\split($row['principaluri']);
+        $row['displayname'] = $row['displayname'] . ' ' . "($name)";
+        $components = [];
+        if ($row['components']) {
+            $components = explode(',',$row['components']);
+        }
+        $calendar = [
+            'id' => $row['id'],
+            'uri' => $row['publicuri'],
+            'principaluri' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
+            '{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken']?$row['synctoken']:'0'),
+            '{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
+            '{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
+            '{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent']?'transparent':'opaque'),
+            '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
+            '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}read-only' => (int)$row['access'] === Backend::ACCESS_READ,
+            '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}public' => (int)$row['access'] === self::ACCESS_PUBLIC,
+        ];
+
+        foreach ($this->propertyMap as $xmlName => $dbName) {
+            $calendar[$xmlName] = $row[$dbName];
+        }
+
+        $this->addOwnerPrincipal($calendar);
+
+        return $calendar;
+    }
+
+    /**
+     * @param string $principal
+     * @param string $uri
+     * @return array|null
+     */
+    public function getCalendarByUri($principal, $uri) {
+        $fields = array_values($this->propertyMap);
+        $fields[] = 'id';
+        $fields[] = 'uri';
+        $fields[] = 'synctoken';
+        $fields[] = 'components';
+        $fields[] = 'principaluri';
+        $fields[] = 'transparent';
+
+        // Making fields a comma-delimited list
+        $query = $this->db->getQueryBuilder();
+        $query->select($fields)->from('calendars')
+            ->where($query->expr()->eq('uri', $query->createNamedParameter($uri)))
+            ->andWhere($query->expr()->eq('principaluri', $query->createNamedParameter($principal)))
+            ->setMaxResults(1);
+        $stmt = $query->execute();
+
+        $row = $stmt->fetch(\PDO::FETCH_ASSOC);
+        $stmt->closeCursor();
+        if ($row === false) {
+            return null;
+        }
+
+        $row['principaluri'] = (string) $row['principaluri'];
+        $components = [];
+        if ($row['components']) {
+            $components = explode(',',$row['components']);
+        }
+
+        $calendar = [
+            'id' => $row['id'],
+            'uri' => $row['uri'],
+            'principaluri' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
+            '{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken']?$row['synctoken']:'0'),
+            '{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
+            '{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
+            '{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent']?'transparent':'opaque'),
+        ];
+
+        foreach ($this->propertyMap as $xmlName => $dbName) {
+            $calendar[$xmlName] = $row[$dbName];
+        }
+
+        $this->addOwnerPrincipal($calendar);
+
+        return $calendar;
+    }
+
+    /**
+     * @param $calendarId
+     * @return array|null
+     */
+    public function getCalendarById($calendarId) {
+        $fields = array_values($this->propertyMap);
+        $fields[] = 'id';
+        $fields[] = 'uri';
+        $fields[] = 'synctoken';
+        $fields[] = 'components';
+        $fields[] = 'principaluri';
+        $fields[] = 'transparent';
+
+        // Making fields a comma-delimited list
+        $query = $this->db->getQueryBuilder();
+        $query->select($fields)->from('calendars')
+            ->where($query->expr()->eq('id', $query->createNamedParameter($calendarId)))
+            ->setMaxResults(1);
+        $stmt = $query->execute();
+
+        $row = $stmt->fetch(\PDO::FETCH_ASSOC);
+        $stmt->closeCursor();
+        if ($row === false) {
+            return null;
+        }
+
+        $row['principaluri'] = (string) $row['principaluri'];
+        $components = [];
+        if ($row['components']) {
+            $components = explode(',',$row['components']);
+        }
+
+        $calendar = [
+            'id' => $row['id'],
+            'uri' => $row['uri'],
+            'principaluri' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
+            '{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken']?$row['synctoken']:'0'),
+            '{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
+            '{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
+            '{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent']?'transparent':'opaque'),
+        ];
+
+        foreach ($this->propertyMap as $xmlName => $dbName) {
+            $calendar[$xmlName] = $row[$dbName];
+        }
+
+        $this->addOwnerPrincipal($calendar);
+
+        return $calendar;
+    }
+
+    /**
+     * @param $subscriptionId
+     */
+    public function getSubscriptionById($subscriptionId) {
+        $fields = array_values($this->subscriptionPropertyMap);
+        $fields[] = 'id';
+        $fields[] = 'uri';
+        $fields[] = 'source';
+        $fields[] = 'synctoken';
+        $fields[] = 'principaluri';
+        $fields[] = 'lastmodified';
+
+        $query = $this->db->getQueryBuilder();
+        $query->select($fields)
+            ->from('calendarsubscriptions')
+            ->where($query->expr()->eq('id', $query->createNamedParameter($subscriptionId)))
+            ->orderBy('calendarorder', 'asc');
+        $stmt = $query->execute();
+
+        $row = $stmt->fetch(\PDO::FETCH_ASSOC);
+        $stmt->closeCursor();
+        if ($row === false) {
+            return null;
+        }
+
+        $row['principaluri'] = (string) $row['principaluri'];
+        $subscription = [
+            'id' => $row['id'],
+            'uri' => $row['uri'],
+            'principaluri' => $row['principaluri'],
+            'source' => $row['source'],
+            'lastmodified' => $row['lastmodified'],
+            '{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet(['VTODO', 'VEVENT']),
+            '{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
+        ];
+
+        foreach ($this->subscriptionPropertyMap as $xmlName => $dbName) {
+            if (!is_null($row[$dbName])) {
+                $subscription[$xmlName] = $row[$dbName];
+            }
+        }
+
+        return $subscription;
+    }
+
+    /**
+     * Creates a new calendar for a principal.
+     *
+     * If the creation was a success, an id must be returned that can be used to reference
+     * this calendar in other methods, such as updateCalendar.
+     *
+     * @param string $principalUri
+     * @param string $calendarUri
+     * @param array $properties
+     * @return int
+     */
+    public function createCalendar($principalUri, $calendarUri, array $properties) {
+        $values = [
+            'principaluri' => $this->convertPrincipal($principalUri, true),
+            'uri' => $calendarUri,
+            'synctoken' => 1,
+            'transparent' => 0,
+            'components' => 'VEVENT,VTODO',
+            'displayname' => $calendarUri
+        ];
+
+        // Default value
+        $sccs = '{urn:ietf:params:xml:ns:caldav}supported-calendar-component-set';
+        if (isset($properties[$sccs])) {
+            if (!($properties[$sccs] instanceof SupportedCalendarComponentSet)) {
+                throw new DAV\Exception('The ' . $sccs . ' property must be of type: \Sabre\CalDAV\Property\SupportedCalendarComponentSet');
+            }
+            $values['components'] = implode(',',$properties[$sccs]->getValue());
+        } elseif (isset($properties['components'])) {
+            // Allow to provide components internally without having
+            // to create a SupportedCalendarComponentSet object
+            $values['components'] = $properties['components'];
+        }
+
+        $transp = '{' . Plugin::NS_CALDAV . '}schedule-calendar-transp';
+        if (isset($properties[$transp])) {
+            $values['transparent'] = (int) ($properties[$transp]->getValue() === 'transparent');
+        }
+
+        foreach ($this->propertyMap as $xmlName => $dbName) {
+            if (isset($properties[$xmlName])) {
+                $values[$dbName] = $properties[$xmlName];
+            }
+        }
+
+        $query = $this->db->getQueryBuilder();
+        $query->insert('calendars');
+        foreach ($values as $column => $value) {
+            $query->setValue($column, $query->createNamedParameter($value));
+        }
+        $query->execute();
+        $calendarId = $query->getLastInsertId();
+
+        $calendarData = $this->getCalendarById($calendarId);
+        $this->dispatcher->dispatchTyped(new CalendarCreatedEvent((int)$calendarId, $calendarData));
+        $this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::createCalendar', new GenericEvent(
+            '\OCA\DAV\CalDAV\CalDavBackend::createCalendar',
+            [
+                'calendarId' => $calendarId,
+                'calendarData' => $calendarData,
+            ]));
+
+        return $calendarId;
+    }
+
+    /**
+     * Updates properties for a calendar.
+     *
+     * The list of mutations is stored in a Sabre\DAV\PropPatch object.
+     * To do the actual updates, you must tell this object which properties
+     * you're going to process with the handle() method.
+     *
+     * Calling the handle method is like telling the PropPatch object "I
+     * promise I can handle updating this property".
+     *
+     * Read the PropPatch documentation for more info and examples.
+     *
+     * @param mixed $calendarId
+     * @param PropPatch $propPatch
+     * @return void
+     */
+    public function updateCalendar($calendarId, PropPatch $propPatch) {
+        $supportedProperties = array_keys($this->propertyMap);
+        $supportedProperties[] = '{' . Plugin::NS_CALDAV . '}schedule-calendar-transp';
+
+        $propPatch->handle($supportedProperties, function ($mutations) use ($calendarId) {
+            $newValues = [];
+            foreach ($mutations as $propertyName => $propertyValue) {
+                switch ($propertyName) {
+                    case '{' . Plugin::NS_CALDAV . '}schedule-calendar-transp':
+                        $fieldName = 'transparent';
+                        $newValues[$fieldName] = (int) ($propertyValue->getValue() === 'transparent');
+                        break;
+                    default:
+                        $fieldName = $this->propertyMap[$propertyName];
+                        $newValues[$fieldName] = $propertyValue;
+                        break;
+                }
+            }
+            $query = $this->db->getQueryBuilder();
+            $query->update('calendars');
+            foreach ($newValues as $fieldName => $value) {
+                $query->set($fieldName, $query->createNamedParameter($value));
+            }
+            $query->where($query->expr()->eq('id', $query->createNamedParameter($calendarId)));
+            $query->execute();
+
+            $this->addChange($calendarId, "", 2);
+
+            $calendarData = $this->getCalendarById($calendarId);
+            $shares = $this->getShares($calendarId);
+            $this->dispatcher->dispatchTyped(new CalendarUpdatedEvent((int)$calendarId, $calendarData, $shares, $mutations));
+            $this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::updateCalendar', new GenericEvent(
+                '\OCA\DAV\CalDAV\CalDavBackend::updateCalendar',
+                [
+                    'calendarId' => $calendarId,
+                    'calendarData' => $calendarData,
+                    'shares' => $shares,
+                    'propertyMutations' => $mutations,
+                ]));
+
+            return true;
+        });
+    }
+
+    /**
+     * Delete a calendar and all it's objects
+     *
+     * @param mixed $calendarId
+     * @return void
+     */
+    public function deleteCalendar($calendarId) {
+        $calendarData = $this->getCalendarById($calendarId);
+        $shares = $this->getShares($calendarId);
+
+        $this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::deleteCalendar', new GenericEvent(
+            '\OCA\DAV\CalDAV\CalDavBackend::deleteCalendar',
+            [
+                'calendarId' => $calendarId,
+                'calendarData' => $calendarData,
+                'shares' => $shares,
+            ]));
+
+        $stmt = $this->db->prepare('DELETE FROM `*PREFIX*calendarobjects` WHERE `calendarid` = ? AND `calendartype` = ?');
+        $stmt->execute([$calendarId, self::CALENDAR_TYPE_CALENDAR]);
+
+        $stmt = $this->db->prepare('DELETE FROM `*PREFIX*calendars` WHERE `id` = ?');
+        $stmt->execute([$calendarId]);
+
+        $stmt = $this->db->prepare('DELETE FROM `*PREFIX*calendarchanges` WHERE `calendarid` = ? AND `calendartype` = ?');
+        $stmt->execute([$calendarId, self::CALENDAR_TYPE_CALENDAR]);
+
+        $this->calendarSharingBackend->deleteAllShares($calendarId);
+
+        $query = $this->db->getQueryBuilder();
+        $query->delete($this->dbObjectPropertiesTable)
+            ->where($query->expr()->eq('calendarid', $query->createNamedParameter($calendarId)))
+            ->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter(self::CALENDAR_TYPE_CALENDAR)))
+            ->execute();
+
+        if ($calendarData) {
+            $this->dispatcher->dispatchTyped(new CalendarDeletedEvent((int)$calendarId, $calendarData, $shares));
+        }
+    }
+
+    /**
+     * Delete all of an user's shares
+     *
+     * @param string $principaluri
+     * @return void
+     */
+    public function deleteAllSharesByUser($principaluri) {
+        $this->calendarSharingBackend->deleteAllSharesByUser($principaluri);
+    }
+
+    /**
+     * Returns all calendar objects within a calendar.
+     *
+     * Every item contains an array with the following keys:
+     *   * calendardata - The iCalendar-compatible calendar data
+     *   * uri - a unique key which will be used to construct the uri. This can
+     *     be any arbitrary string, but making sure it ends with '.ics' is a
+     *     good idea. This is only the basename, or filename, not the full
+     *     path.
+     *   * lastmodified - a timestamp of the last modification time
+     *   * etag - An arbitrary string, surrounded by double-quotes. (e.g.:
+     *   '"abcdef"')
+     *   * size - The size of the calendar objects, in bytes.
+     *   * component - optional, a string containing the type of object, such
+     *     as 'vevent' or 'vtodo'. If specified, this will be used to populate
+     *     the Content-Type header.
+     *
+     * Note that the etag is optional, but it's highly encouraged to return for
+     * speed reasons.
+     *
+     * The calendardata is also optional. If it's not returned
+     * 'getCalendarObject' will be called later, which *is* expected to return
+     * calendardata.
+     *
+     * If neither etag or size are specified, the calendardata will be
+     * used/fetched to determine these numbers. If both are specified the
+     * amount of times this is needed is reduced by a great degree.
+     *
+     * @param mixed $calendarId
+     * @param int $calendarType
+     * @return array
+     */
+    public function getCalendarObjects($calendarId, $calendarType = self::CALENDAR_TYPE_CALENDAR):array {
+        $query = $this->db->getQueryBuilder();
+        $query->select(['id', 'uri', 'lastmodified', 'etag', 'calendarid', 'size', 'componenttype', 'classification'])
+            ->from('calendarobjects')
+            ->where($query->expr()->eq('calendarid', $query->createNamedParameter($calendarId)))
+            ->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter($calendarType)));
+        $stmt = $query->execute();
+
+        $result = [];
+        foreach ($stmt->fetchAll(\PDO::FETCH_ASSOC) as $row) {
+            $result[] = [
+                'id' => $row['id'],
+                'uri' => $row['uri'],
+                'lastmodified' => $row['lastmodified'],
+                'etag' => '"' . $row['etag'] . '"',
+                'calendarid' => $row['calendarid'],
+                'size' => (int)$row['size'],
+                'component' => strtolower($row['componenttype']),
+                'classification' => (int)$row['classification']
+            ];
+        }
+        $stmt->closeCursor();
+
+        return $result;
+    }
+
+    /**
+     * Returns information from a single calendar object, based on it's object
+     * uri.
+     *
+     * The object uri is only the basename, or filename and not a full path.
+     *
+     * The returned array must have the same keys as getCalendarObjects. The
+     * 'calendardata' object is required here though, while it's not required
+     * for getCalendarObjects.
+     *
+     * This method must return null if the object did not exist.
+     *
+     * @param mixed $calendarId
+     * @param string $objectUri
+     * @param int $calendarType
+     * @return array|null
+     */
+    public function getCalendarObject($calendarId, $objectUri, $calendarType = self::CALENDAR_TYPE_CALENDAR) {
+        $query = $this->db->getQueryBuilder();
+        $query->select(['id', 'uri', 'lastmodified', 'etag', 'calendarid', 'size', 'calendardata', 'componenttype', 'classification'])
+            ->from('calendarobjects')
+            ->where($query->expr()->eq('calendarid', $query->createNamedParameter($calendarId)))
+            ->andWhere($query->expr()->eq('uri', $query->createNamedParameter($objectUri)))
+            ->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter($calendarType)));
+        $stmt = $query->execute();
+        $row = $stmt->fetch(\PDO::FETCH_ASSOC);
+        $stmt->closeCursor();
+
+        if (!$row) {
+            return null;
+        }
+
+        return [
+            'id' => $row['id'],
+            'uri' => $row['uri'],
+            'lastmodified' => $row['lastmodified'],
+            'etag' => '"' . $row['etag'] . '"',
+            'calendarid' => $row['calendarid'],
+            'size' => (int)$row['size'],
+            'calendardata' => $this->readBlob($row['calendardata']),
+            'component' => strtolower($row['componenttype']),
+            'classification' => (int)$row['classification']
+        ];
+    }
+
+    /**
+     * Returns a list of calendar objects.
+     *
+     * This method should work identical to getCalendarObject, but instead
+     * return all the calendar objects in the list as an array.
+     *
+     * If the backend supports this, it may allow for some speed-ups.
+     *
+     * @param mixed $calendarId
+     * @param string[] $uris
+     * @param int $calendarType
+     * @return array
+     */
+    public function getMultipleCalendarObjects($calendarId, array $uris, $calendarType = self::CALENDAR_TYPE_CALENDAR):array {
+        if (empty($uris)) {
+            return [];
+        }
+
+        $chunks = array_chunk($uris, 100);
+        $objects = [];
+
+        $query = $this->db->getQueryBuilder();
+        $query->select(['id', 'uri', 'lastmodified', 'etag', 'calendarid', 'size', 'calendardata', 'componenttype', 'classification'])
+            ->from('calendarobjects')
+            ->where($query->expr()->eq('calendarid', $query->createNamedParameter($calendarId)))
+            ->andWhere($query->expr()->in('uri', $query->createParameter('uri')))
+            ->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter($calendarType)));
+
+        foreach ($chunks as $uris) {
+            $query->setParameter('uri', $uris, IQueryBuilder::PARAM_STR_ARRAY);
+            $result = $query->execute();
+
+            while ($row = $result->fetch()) {
+                $objects[] = [
+                    'id' => $row['id'],
+                    'uri' => $row['uri'],
+                    'lastmodified' => $row['lastmodified'],
+                    'etag' => '"' . $row['etag'] . '"',
+                    'calendarid' => $row['calendarid'],
+                    'size' => (int)$row['size'],
+                    'calendardata' => $this->readBlob($row['calendardata']),
+                    'component' => strtolower($row['componenttype']),
+                    'classification' => (int)$row['classification']
+                ];
+            }
+            $result->closeCursor();
+        }
+
+        return $objects;
+    }
+
+    /**
+     * Creates a new calendar object.
+     *
+     * The object uri is only the basename, or filename and not a full path.
+     *
+     * It is possible return an etag from this function, which will be used in
+     * the response to this PUT request. Note that the ETag must be surrounded
+     * by double-quotes.
+     *
+     * However, you should only really return this ETag if you don't mangle the
+     * calendar-data. If the result of a subsequent GET to this object is not
+     * the exact same as this request body, you should omit the ETag.
+     *
+     * @param mixed $calendarId
+     * @param string $objectUri
+     * @param string $calendarData
+     * @param int $calendarType
+     * @return string
+     */
+    public function createCalendarObject($calendarId, $objectUri, $calendarData, $calendarType = self::CALENDAR_TYPE_CALENDAR) {
+        $extraData = $this->getDenormalizedData($calendarData);
+
+        $q = $this->db->getQueryBuilder();
+        $q->select($q->func()->count('*'))
+            ->from('calendarobjects')
+            ->where($q->expr()->eq('calendarid', $q->createNamedParameter($calendarId)))
+            ->andWhere($q->expr()->eq('uid', $q->createNamedParameter($extraData['uid'])))
+            ->andWhere($q->expr()->eq('calendartype', $q->createNamedParameter($calendarType)));
+
+        $result = $q->execute();
+        $count = (int) $result->fetchColumn();
+        $result->closeCursor();
+
+        if ($count !== 0) {
+            throw new \Sabre\DAV\Exception\BadRequest('Calendar object with uid already exists in this calendar collection.');
+        }
+
+        $query = $this->db->getQueryBuilder();
+        $query->insert('calendarobjects')
+            ->values([
+                'calendarid' => $query->createNamedParameter($calendarId),
+                'uri' => $query->createNamedParameter($objectUri),
+                'calendardata' => $query->createNamedParameter($calendarData, IQueryBuilder::PARAM_LOB),
+                'lastmodified' => $query->createNamedParameter(time()),
+                'etag' => $query->createNamedParameter($extraData['etag']),
+                'size' => $query->createNamedParameter($extraData['size']),
+                'componenttype' => $query->createNamedParameter($extraData['componentType']),
+                'firstoccurence' => $query->createNamedParameter($extraData['firstOccurence']),
+                'lastoccurence' => $query->createNamedParameter($extraData['lastOccurence']),
+                'classification' => $query->createNamedParameter($extraData['classification']),
+                'uid' => $query->createNamedParameter($extraData['uid']),
+                'calendartype' => $query->createNamedParameter($calendarType),
+            ])
+            ->execute();
+
+        $this->updateProperties($calendarId, $objectUri, $calendarData, $calendarType);
+        $this->addChange($calendarId, $objectUri, 1, $calendarType);
+
+        $objectRow = $this->getCalendarObject($calendarId, $objectUri, $calendarType);
+        if ($calendarType === self::CALENDAR_TYPE_CALENDAR) {
+            $calendarRow = $this->getCalendarById($calendarId);
+            $shares = $this->getShares($calendarId);
+
+            $this->dispatcher->dispatchTyped(new CalendarObjectCreatedEvent((int)$calendarId, $calendarRow, $shares, $objectRow));
+            $this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::createCalendarObject', new GenericEvent(
+                '\OCA\DAV\CalDAV\CalDavBackend::createCalendarObject',
+                [
+                    'calendarId' => $calendarId,
+                    'calendarData' => $calendarRow,
+                    'shares' => $shares,
+                    'objectData' => $objectRow,
+                ]
+            ));
+        } else {
+            $subscriptionRow = $this->getSubscriptionById($calendarId);
+
+            $this->dispatcher->dispatchTyped(new CachedCalendarObjectCreatedEvent((int)$calendarId, $subscriptionRow, [], $objectRow));
+            $this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::createCachedCalendarObject', new GenericEvent(
+                '\OCA\DAV\CalDAV\CalDavBackend::createCachedCalendarObject',
+                [
+                    'subscriptionId' => $calendarId,
+                    'calendarData' => $subscriptionRow,
+                    'shares' => [],
+                    'objectData' => $objectRow,
+                ]
+            ));
+        }
+
+        return '"' . $extraData['etag'] . '"';
+    }
+
+    /**
+     * Updates an existing calendarobject, based on it's uri.
+     *
+     * The object uri is only the basename, or filename and not a full path.
+     *
+     * It is possible return an etag from this function, which will be used in
+     * the response to this PUT request. Note that the ETag must be surrounded
+     * by double-quotes.
+     *
+     * However, you should only really return this ETag if you don't mangle the
+     * calendar-data. If the result of a subsequent GET to this object is not
+     * the exact same as this request body, you should omit the ETag.
+     *
+     * @param mixed $calendarId
+     * @param string $objectUri
+     * @param string $calendarData
+     * @param int $calendarType
+     * @return string
+     */
+    public function updateCalendarObject($calendarId, $objectUri, $calendarData, $calendarType = self::CALENDAR_TYPE_CALENDAR) {
+        $extraData = $this->getDenormalizedData($calendarData);
+        $query = $this->db->getQueryBuilder();
+        $query->update('calendarobjects')
+                ->set('calendardata', $query->createNamedParameter($calendarData, IQueryBuilder::PARAM_LOB))
+                ->set('lastmodified', $query->createNamedParameter(time()))
+                ->set('etag', $query->createNamedParameter($extraData['etag']))
+                ->set('size', $query->createNamedParameter($extraData['size']))
+                ->set('componenttype', $query->createNamedParameter($extraData['componentType']))
+                ->set('firstoccurence', $query->createNamedParameter($extraData['firstOccurence']))
+                ->set('lastoccurence', $query->createNamedParameter($extraData['lastOccurence']))
+                ->set('classification', $query->createNamedParameter($extraData['classification']))
+                ->set('uid', $query->createNamedParameter($extraData['uid']))
+            ->where($query->expr()->eq('calendarid', $query->createNamedParameter($calendarId)))
+            ->andWhere($query->expr()->eq('uri', $query->createNamedParameter($objectUri)))
+            ->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter($calendarType)))
+            ->execute();
+
+        $this->updateProperties($calendarId, $objectUri, $calendarData, $calendarType);
+        $this->addChange($calendarId, $objectUri, 2, $calendarType);
+
+        $objectRow = $this->getCalendarObject($calendarId, $objectUri, $calendarType);
+        if (is_array($objectRow)) {
+            if ($calendarType === self::CALENDAR_TYPE_CALENDAR) {
+                $calendarRow = $this->getCalendarById($calendarId);
+                $shares = $this->getShares($calendarId);
+
+                $this->dispatcher->dispatchTyped(new CalendarObjectUpdatedEvent((int)$calendarId, $calendarRow, $shares, $objectRow));
+                $this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::updateCalendarObject', new GenericEvent(
+                    '\OCA\DAV\CalDAV\CalDavBackend::updateCalendarObject',
+                    [
+                        'calendarId' => $calendarId,
+                        'calendarData' => $calendarRow,
+                        'shares' => $shares,
+                        'objectData' => $objectRow,
+                    ]
+                ));
+            } else {
+                $subscriptionRow = $this->getSubscriptionById($calendarId);
+
+                $this->dispatcher->dispatchTyped(new CachedCalendarObjectUpdatedEvent((int)$calendarId, $subscriptionRow, [], $objectRow));
+                $this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::updateCachedCalendarObject', new GenericEvent(
+                    '\OCA\DAV\CalDAV\CalDavBackend::updateCachedCalendarObject',
+                    [
+                        'subscriptionId' => $calendarId,
+                        'calendarData' => $subscriptionRow,
+                        'shares' => [],
+                        'objectData' => $objectRow,
+                    ]
+                ));
+            }
+        }
+
+        return '"' . $extraData['etag'] . '"';
+    }
+
+    /**
+     * @param int $calendarObjectId
+     * @param int $classification
+     */
+    public function setClassification($calendarObjectId, $classification) {
+        if (!in_array($classification, [
+            self::CLASSIFICATION_PUBLIC, self::CLASSIFICATION_PRIVATE, self::CLASSIFICATION_CONFIDENTIAL
+        ])) {
+            throw new \InvalidArgumentException();
+        }
+        $query = $this->db->getQueryBuilder();
+        $query->update('calendarobjects')
+            ->set('classification', $query->createNamedParameter($classification))
+            ->where($query->expr()->eq('id', $query->createNamedParameter($calendarObjectId)))
+            ->execute();
+    }
+
+    /**
+     * Deletes an existing calendar object.
+     *
+     * The object uri is only the basename, or filename and not a full path.
+     *
+     * @param mixed $calendarId
+     * @param string $objectUri
+     * @param int $calendarType
+     * @return void
+     */
+    public function deleteCalendarObject($calendarId, $objectUri, $calendarType = self::CALENDAR_TYPE_CALENDAR) {
+        $data = $this->getCalendarObject($calendarId, $objectUri, $calendarType);
+        if (is_array($data)) {
+            if ($calendarType === self::CALENDAR_TYPE_CALENDAR) {
+                $calendarRow = $this->getCalendarById($calendarId);
+                $shares = $this->getShares($calendarId);
+
+                $this->dispatcher->dispatchTyped(new CalendarObjectDeletedEvent((int)$calendarId, $calendarRow, $shares, $data));
+                $this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::deleteCalendarObject', new GenericEvent(
+                    '\OCA\DAV\CalDAV\CalDavBackend::deleteCalendarObject',
+                    [
+                        'calendarId' => $calendarId,
+                        'calendarData' => $calendarRow,
+                        'shares' => $shares,
+                        'objectData' => $data,
+                    ]
+                ));
+            } else {
+                $subscriptionRow = $this->getSubscriptionById($calendarId);
+
+                $this->dispatcher->dispatchTyped(new CachedCalendarObjectDeletedEvent((int)$calendarId, $subscriptionRow, [], $data));
+                $this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::deleteCachedCalendarObject', new GenericEvent(
+                    '\OCA\DAV\CalDAV\CalDavBackend::deleteCachedCalendarObject',
+                    [
+                        'subscriptionId' => $calendarId,
+                        'calendarData' => $subscriptionRow,
+                        'shares' => [],
+                        'objectData' => $data,
+                    ]
+                ));
+            }
+        }
+
+        $stmt = $this->db->prepare('DELETE FROM `*PREFIX*calendarobjects` WHERE `calendarid` = ? AND `uri` = ? AND `calendartype` = ?');
+        $stmt->execute([$calendarId, $objectUri, $calendarType]);
+
+        if (is_array($data)) {
+            $this->purgeProperties($calendarId, $data['id'], $calendarType);
+        }
+
+        $this->addChange($calendarId, $objectUri, 3, $calendarType);
+    }
+
+    /**
+     * Performs a calendar-query on the contents of this calendar.
+     *
+     * The calendar-query is defined in RFC4791 : CalDAV. Using the
+     * calendar-query it is possible for a client to request a specific set of
+     * object, based on contents of iCalendar properties, date-ranges and
+     * iCalendar component types (VTODO, VEVENT).
+     *
+     * This method should just return a list of (relative) urls that match this
+     * query.
+     *
+     * The list of filters are specified as an array. The exact array is
+     * documented by Sabre\CalDAV\CalendarQueryParser.
+     *
+     * Note that it is extremely likely that getCalendarObject for every path
+     * returned from this method will be called almost immediately after. You
+     * may want to anticipate this to speed up these requests.
+     *
+     * This method provides a default implementation, which parses *all* the
+     * iCalendar objects in the specified calendar.
+     *
+     * This default may well be good enough for personal use, and calendars
+     * that aren't very large. But if you anticipate high usage, big calendars
+     * or high loads, you are strongly advised to optimize certain paths.
+     *
+     * The best way to do so is override this method and to optimize
+     * specifically for 'common filters'.
+     *
+     * Requests that are extremely common are:
+     *   * requests for just VEVENTS
+     *   * requests for just VTODO
+     *   * requests with a time-range-filter on either VEVENT or VTODO.
+     *
+     * ..and combinations of these requests. It may not be worth it to try to
+     * handle every possible situation and just rely on the (relatively
+     * easy to use) CalendarQueryValidator to handle the rest.
+     *
+     * Note that especially time-range-filters may be difficult to parse. A
+     * time-range filter specified on a VEVENT must for instance also handle
+     * recurrence rules correctly.
+     * A good example of how to interprete all these filters can also simply
+     * be found in Sabre\CalDAV\CalendarQueryFilter. This class is as correct
+     * as possible, so it gives you a good idea on what type of stuff you need
+     * to think of.
+     *
+     * @param mixed $calendarId
+     * @param array $filters
+     * @param int $calendarType
+     * @return array
+     */
+    public function calendarQuery($calendarId, array $filters, $calendarType = self::CALENDAR_TYPE_CALENDAR):array {
+        $componentType = null;
+        $requirePostFilter = true;
+        $timeRange = null;
+
+        // if no filters were specified, we don't need to filter after a query
+        if (!$filters['prop-filters'] && !$filters['comp-filters']) {
+            $requirePostFilter = false;
+        }
+
+        // Figuring out if there's a component filter
+        if (count($filters['comp-filters']) > 0 && !$filters['comp-filters'][0]['is-not-defined']) {
+            $componentType = $filters['comp-filters'][0]['name'];
+
+            // Checking if we need post-filters
+            if (!$filters['prop-filters'] && !$filters['comp-filters'][0]['comp-filters'] && !$filters['comp-filters'][0]['time-range'] && !$filters['comp-filters'][0]['prop-filters']) {
+                $requirePostFilter = false;
+            }
+            // There was a time-range filter
+            if ($componentType === 'VEVENT' && isset($filters['comp-filters'][0]['time-range']) && is_array($filters['comp-filters'][0]['time-range'])) {
+                $timeRange = $filters['comp-filters'][0]['time-range'];
+
+                // If start time OR the end time is not specified, we can do a
+                // 100% accurate mysql query.
+                if (!$filters['prop-filters'] && !$filters['comp-filters'][0]['comp-filters'] && !$filters['comp-filters'][0]['prop-filters'] && (!$timeRange['start'] || !$timeRange['end'])) {
+                    $requirePostFilter = false;
+                }
+            }
+        }
+        $columns = ['uri'];
+        if ($requirePostFilter) {
+            $columns = ['uri', 'calendardata'];
+        }
+        $query = $this->db->getQueryBuilder();
+        $query->select($columns)
+            ->from('calendarobjects')
+            ->where($query->expr()->eq('calendarid', $query->createNamedParameter($calendarId)))
+            ->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter($calendarType)));
+
+        if ($componentType) {
+            $query->andWhere($query->expr()->eq('componenttype', $query->createNamedParameter($componentType)));
+        }
+
+        if ($timeRange && $timeRange['start']) {
+            $query->andWhere($query->expr()->gt('lastoccurence', $query->createNamedParameter($timeRange['start']->getTimeStamp())));
+        }
+        if ($timeRange && $timeRange['end']) {
+            $query->andWhere($query->expr()->lt('firstoccurence', $query->createNamedParameter($timeRange['end']->getTimeStamp())));
+        }
+
+        $stmt = $query->execute();
+
+        $result = [];
+        while ($row = $stmt->fetch(\PDO::FETCH_ASSOC)) {
+            if ($requirePostFilter) {
+                // validateFilterForObject will parse the calendar data
+                // catch parsing errors
+                try {
+                    $matches = $this->validateFilterForObject($row, $filters);
+                } catch (ParseException $ex) {
+                    $this->logger->logException($ex, [
+                        'app' => 'dav',
+                        'message' => 'Caught parsing exception for calendar data. This usually indicates invalid calendar data. calendar-id:'.$calendarId.' uri:'.$row['uri']
+                    ]);
+                    continue;
+                } catch (InvalidDataException $ex) {
+                    $this->logger->logException($ex, [
+                        'app' => 'dav',
+                        'message' => 'Caught invalid data exception for calendar data. This usually indicates invalid calendar data. calendar-id:'.$calendarId.' uri:'.$row['uri']
+                    ]);
+                    continue;
+                }
+
+                if (!$matches) {
+                    continue;
+                }
+            }
+            $result[] = $row['uri'];
+        }
+
+        return $result;
+    }
+
+    /**
+     * custom Nextcloud search extension for CalDAV
+     *
+     * TODO - this should optionally cover cached calendar objects as well
+     *
+     * @param string $principalUri
+     * @param array $filters
+     * @param integer|null $limit
+     * @param integer|null $offset
+     * @return array
+     */
+    public function calendarSearch($principalUri, array $filters, $limit = null, $offset = null) {
+        $calendars = $this->getCalendarsForUser($principalUri);
+        $ownCalendars = [];
+        $sharedCalendars = [];
+
+        $uriMapper = [];
+
+        foreach ($calendars as $calendar) {
+            if ($calendar['{http://owncloud.org/ns}owner-principal'] === $principalUri) {
+                $ownCalendars[] = $calendar['id'];
+            } else {
+                $sharedCalendars[] = $calendar['id'];
+            }
+            $uriMapper[$calendar['id']] = $calendar['uri'];
+        }
+        if (count($ownCalendars) === 0 && count($sharedCalendars) === 0) {
+            return [];
+        }
+
+        $query = $this->db->getQueryBuilder();
+        // Calendar id expressions
+        $calendarExpressions = [];
+        foreach ($ownCalendars as $id) {
+            $calendarExpressions[] = $query->expr()->andX(
+                $query->expr()->eq('c.calendarid',
+                    $query->createNamedParameter($id)),
+                $query->expr()->eq('c.calendartype',
+                        $query->createNamedParameter(self::CALENDAR_TYPE_CALENDAR)));
+        }
+        foreach ($sharedCalendars as $id) {
+            $calendarExpressions[] = $query->expr()->andX(
+                $query->expr()->eq('c.calendarid',
+                    $query->createNamedParameter($id)),
+                $query->expr()->eq('c.classification',
+                    $query->createNamedParameter(self::CLASSIFICATION_PUBLIC)),
+                $query->expr()->eq('c.calendartype',
+                    $query->createNamedParameter(self::CALENDAR_TYPE_CALENDAR)));
+        }
+
+        if (count($calendarExpressions) === 1) {
+            $calExpr = $calendarExpressions[0];
+        } else {
+            $calExpr = call_user_func_array([$query->expr(), 'orX'], $calendarExpressions);
+        }
+
+        // Component expressions
+        $compExpressions = [];
+        foreach ($filters['comps'] as $comp) {
+            $compExpressions[] = $query->expr()
+                ->eq('c.componenttype', $query->createNamedParameter($comp));
+        }
+
+        if (count($compExpressions) === 1) {
+            $compExpr = $compExpressions[0];
+        } else {
+            $compExpr = call_user_func_array([$query->expr(), 'orX'], $compExpressions);
+        }
+
+        if (!isset($filters['props'])) {
+            $filters['props'] = [];
+        }
+        if (!isset($filters['params'])) {
+            $filters['params'] = [];
+        }
+
+        $propParamExpressions = [];
+        foreach ($filters['props'] as $prop) {
+            $propParamExpressions[] = $query->expr()->andX(
+                $query->expr()->eq('i.name', $query->createNamedParameter($prop)),
+                $query->expr()->isNull('i.parameter')
+            );
+        }
+        foreach ($filters['params'] as $param) {
+            $propParamExpressions[] = $query->expr()->andX(
+                $query->expr()->eq('i.name', $query->createNamedParameter($param['property'])),
+                $query->expr()->eq('i.parameter', $query->createNamedParameter($param['parameter']))
+            );
+        }
+
+        if (count($propParamExpressions) === 1) {
+            $propParamExpr = $propParamExpressions[0];
+        } else {
+            $propParamExpr = call_user_func_array([$query->expr(), 'orX'], $propParamExpressions);
+        }
+
+        $query->select(['c.calendarid', 'c.uri'])
+            ->from($this->dbObjectPropertiesTable, 'i')
+            ->join('i', 'calendarobjects', 'c', $query->expr()->eq('i.objectid', 'c.id'))
+            ->where($calExpr)
+            ->andWhere($compExpr)
+            ->andWhere($propParamExpr)
+            ->andWhere($query->expr()->iLike('i.value',
+                $query->createNamedParameter('%'.$this->db->escapeLikeParameter($filters['search-term']).'%')));
+
+        if ($offset) {
+            $query->setFirstResult($offset);
+        }
+        if ($limit) {
+            $query->setMaxResults($limit);
+        }
+
+        $stmt = $query->execute();
+
+        $result = [];
+        while ($row = $stmt->fetch(\PDO::FETCH_ASSOC)) {
+            $path = $uriMapper[$row['calendarid']] . '/' . $row['uri'];
+            if (!in_array($path, $result)) {
+                $result[] = $path;
+            }
+        }
+
+        return $result;
+    }
+
+    /**
+     * used for Nextcloud's calendar API
+     *
+     * @param array $calendarInfo
+     * @param string $pattern
+     * @param array $searchProperties
+     * @param array $options
+     * @param integer|null $limit
+     * @param integer|null $offset
+     *
+     * @return array
+     */
+    public function search(array $calendarInfo, $pattern, array $searchProperties,
+                            array $options, $limit, $offset) {
+        $outerQuery = $this->db->getQueryBuilder();
+        $innerQuery = $this->db->getQueryBuilder();
+
+        $innerQuery->selectDistinct('op.objectid')
+            ->from($this->dbObjectPropertiesTable, 'op')
+            ->andWhere($innerQuery->expr()->eq('op.calendarid',
+                $outerQuery->createNamedParameter($calendarInfo['id'])))
+            ->andWhere($innerQuery->expr()->eq('op.calendartype',
+                $outerQuery->createNamedParameter(self::CALENDAR_TYPE_CALENDAR)));
+
+        // only return public items for shared calendars for now
+        if ($calendarInfo['principaluri'] !== $calendarInfo['{http://owncloud.org/ns}owner-principal']) {
+            $innerQuery->andWhere($innerQuery->expr()->eq('c.classification',
+                $outerQuery->createNamedParameter(self::CLASSIFICATION_PUBLIC)));
+        }
+
+        $or = $innerQuery->expr()->orX();
+        foreach ($searchProperties as $searchProperty) {
+            $or->add($innerQuery->expr()->eq('op.name',
+                $outerQuery->createNamedParameter($searchProperty)));
+        }
+        $innerQuery->andWhere($or);
+
+        if ($pattern !== '') {
+            $innerQuery->andWhere($innerQuery->expr()->iLike('op.value',
+                $outerQuery->createNamedParameter('%' .
+                    $this->db->escapeLikeParameter($pattern) . '%')));
+        }
+
+        $outerQuery->select('c.id', 'c.calendardata', 'c.componenttype', 'c.uid', 'c.uri')
+            ->from('calendarobjects', 'c');
+
+        if (isset($options['timerange'])) {
+            if (isset($options['timerange']['start']) && $options['timerange']['start'] instanceof DateTime) {
+                $outerQuery->andWhere($outerQuery->expr()->gt('lastoccurence',
+                    $outerQuery->createNamedParameter($options['timerange']['start']->getTimeStamp())));
+            }
+            if (isset($options['timerange']['end']) && $options['timerange']['end'] instanceof DateTime) {
+                $outerQuery->andWhere($outerQuery->expr()->lt('firstoccurence',
+                    $outerQuery->createNamedParameter($options['timerange']['end']->getTimeStamp())));
+            }
+        }
+
+        if (isset($options['types'])) {
+            $or = $outerQuery->expr()->orX();
+            foreach ($options['types'] as $type) {
+                $or->add($outerQuery->expr()->eq('componenttype',
+                    $outerQuery->createNamedParameter($type)));
+            }
+            $outerQuery->andWhere($or);
+        }
+
+        $outerQuery->andWhere($outerQuery->expr()->in('c.id',
+            $outerQuery->createFunction($innerQuery->getSQL())));
+
+        if ($offset) {
+            $outerQuery->setFirstResult($offset);
+        }
+        if ($limit) {
+            $outerQuery->setMaxResults($limit);
+        }
+
+        $result = $outerQuery->execute();
+        $calendarObjects = $result->fetchAll();
+
+        return array_map(function ($o) {
+            $calendarData = Reader::read($o['calendardata']);
+            $comps = $calendarData->getComponents();
+            $objects = [];
+            $timezones = [];
+            foreach ($comps as $comp) {
+                if ($comp instanceof VTimeZone) {
+                    $timezones[] = $comp;
+                } else {
+                    $objects[] = $comp;
+                }
+            }
+
+            return [
+                'id' => $o['id'],
+                'type' => $o['componenttype'],
+                'uid' => $o['uid'],
+                'uri' => $o['uri'],
+                'objects' => array_map(function ($c) {
+                    return $this->transformSearchData($c);
+                }, $objects),
+                'timezones' => array_map(function ($c) {
+                    return $this->transformSearchData($c);
+                }, $timezones),
+            ];
+        }, $calendarObjects);
+    }
+
+    /**
+     * @param Component $comp
+     * @return array
+     */
+    private function transformSearchData(Component $comp) {
+        $data = [];
+        /** @var Component[] $subComponents */
+        $subComponents = $comp->getComponents();
+        /** @var Property[] $properties */
+        $properties = array_filter($comp->children(), function ($c) {
+            return $c instanceof Property;
+        });
+        $validationRules = $comp->getValidationRules();
+
+        foreach ($subComponents as $subComponent) {
+            $name = $subComponent->name;
+            if (!isset($data[$name])) {
+                $data[$name] = [];
+            }
+            $data[$name][] = $this->transformSearchData($subComponent);
+        }
+
+        foreach ($properties as $property) {
+            $name = $property->name;
+            if (!isset($validationRules[$name])) {
+                $validationRules[$name] = '*';
+            }
+
+            $rule = $validationRules[$property->name];
+            if ($rule === '+' || $rule === '*') { // multiple
+                if (!isset($data[$name])) {
+                    $data[$name] = [];
+                }
+
+                $data[$name][] = $this->transformSearchProperty($property);
+            } else { // once
+                $data[$name] = $this->transformSearchProperty($property);
+            }
+        }
+
+        return $data;
+    }
+
+    /**
+     * @param Property $prop
+     * @return array
+     */
+    private function transformSearchProperty(Property $prop) {
+        // No need to check Date, as it extends DateTime
+        if ($prop instanceof Property\ICalendar\DateTime) {
+            $value = $prop->getDateTime();
+        } else {
+            $value = $prop->getValue();
+        }
+
+        return [
+            $value,
+            $prop->parameters()
+        ];
+    }
+
+    /**
+     * @param string $principalUri
+     * @param string $pattern
+     * @param array $componentTypes
+     * @param array $searchProperties
+     * @param array $searchParameters
+     * @param array $options
+     * @return array
+     */
+    public function searchPrincipalUri(string $principalUri,
+                                        string $pattern,
+                                        array $componentTypes,
+                                        array $searchProperties,
+                                        array $searchParameters,
+                                        array $options = []): array {
+        $escapePattern = !\array_key_exists('escape_like_param', $options) || $options['escape_like_param'] !== false;
+
+        $calendarObjectIdQuery = $this->db->getQueryBuilder();
+        $calendarOr = $calendarObjectIdQuery->expr()->orX();
+        $searchOr = $calendarObjectIdQuery->expr()->orX();
+
+        // Fetch calendars and subscription
+        $calendars = $this->getCalendarsForUser($principalUri);
+        $subscriptions = $this->getSubscriptionsForUser($principalUri);
+        foreach ($calendars as $calendar) {
+            $calendarAnd = $calendarObjectIdQuery->expr()->andX();
+            $calendarAnd->add($calendarObjectIdQuery->expr()->eq('cob.calendarid', $calendarObjectIdQuery->createNamedParameter((int)$calendar['id'])));
+            $calendarAnd->add($calendarObjectIdQuery->expr()->eq('cob.calendartype', $calendarObjectIdQuery->createNamedParameter(self::CALENDAR_TYPE_CALENDAR)));
+
+            // If it's shared, limit search to public events
+            if ($calendar['principaluri'] !== $calendar['{http://owncloud.org/ns}owner-principal']) {
+                $calendarAnd->add($calendarObjectIdQuery->expr()->eq('co.classification', $calendarObjectIdQuery->createNamedParameter(self::CLASSIFICATION_PUBLIC)));
+            }
+
+            $calendarOr->add($calendarAnd);
+        }
+        foreach ($subscriptions as $subscription) {
+            $subscriptionAnd = $calendarObjectIdQuery->expr()->andX();
+            $subscriptionAnd->add($calendarObjectIdQuery->expr()->eq('cob.calendarid', $calendarObjectIdQuery->createNamedParameter((int)$subscription['id'])));
+            $subscriptionAnd->add($calendarObjectIdQuery->expr()->eq('cob.calendartype', $calendarObjectIdQuery->createNamedParameter(self::CALENDAR_TYPE_SUBSCRIPTION)));
+
+            // If it's shared, limit search to public events
+            if ($subscription['principaluri'] !== $subscription['{http://owncloud.org/ns}owner-principal']) {
+                $subscriptionAnd->add($calendarObjectIdQuery->expr()->eq('co.classification', $calendarObjectIdQuery->createNamedParameter(self::CLASSIFICATION_PUBLIC)));
+            }
+
+            $calendarOr->add($subscriptionAnd);
+        }
+
+        foreach ($searchProperties as $property) {
+            $propertyAnd = $calendarObjectIdQuery->expr()->andX();
+            $propertyAnd->add($calendarObjectIdQuery->expr()->eq('cob.name', $calendarObjectIdQuery->createNamedParameter($property, IQueryBuilder::PARAM_STR)));
+            $propertyAnd->add($calendarObjectIdQuery->expr()->isNull('cob.parameter'));
+
+            $searchOr->add($propertyAnd);
+        }
+        foreach ($searchParameters as $property => $parameter) {
+            $parameterAnd = $calendarObjectIdQuery->expr()->andX();
+            $parameterAnd->add($calendarObjectIdQuery->expr()->eq('cob.name', $calendarObjectIdQuery->createNamedParameter($property, IQueryBuilder::PARAM_STR)));
+            $parameterAnd->add($calendarObjectIdQuery->expr()->eq('cob.parameter', $calendarObjectIdQuery->createNamedParameter($parameter, IQueryBuilder::PARAM_STR_ARRAY)));
+
+            $searchOr->add($parameterAnd);
+        }
+
+        if ($calendarOr->count() === 0) {
+            return [];
+        }
+        if ($searchOr->count() === 0) {
+            return [];
+        }
+
+        $calendarObjectIdQuery->selectDistinct('cob.objectid')
+            ->from($this->dbObjectPropertiesTable, 'cob')
+            ->leftJoin('cob', 'calendarobjects', 'co', $calendarObjectIdQuery->expr()->eq('co.id', 'cob.objectid'))
+            ->andWhere($calendarObjectIdQuery->expr()->in('co.componenttype', $calendarObjectIdQuery->createNamedParameter($componentTypes, IQueryBuilder::PARAM_STR_ARRAY)))
+            ->andWhere($calendarOr)
+            ->andWhere($searchOr);
+
+        if ('' !== $pattern) {
+            if (!$escapePattern) {
+                $calendarObjectIdQuery->andWhere($calendarObjectIdQuery->expr()->ilike('cob.value', $calendarObjectIdQuery->createNamedParameter($pattern)));
+            } else {
+                $calendarObjectIdQuery->andWhere($calendarObjectIdQuery->expr()->ilike('cob.value', $calendarObjectIdQuery->createNamedParameter('%' . $this->db->escapeLikeParameter($pattern) . '%')));
+            }
+        }
+
+        if (isset($options['limit'])) {
+            $calendarObjectIdQuery->setMaxResults($options['limit']);
+        }
+        if (isset($options['offset'])) {
+            $calendarObjectIdQuery->setFirstResult($options['offset']);
+        }
+
+        $result = $calendarObjectIdQuery->execute();
+        $matches = $result->fetchAll();
+        $result->closeCursor();
+        $matches = array_map(static function (array $match):int {
+            return (int) $match['objectid'];
+        }, $matches);
+
+        $query = $this->db->getQueryBuilder();
+        $query->select('calendardata', 'uri', 'calendarid', 'calendartype')
+            ->from('calendarobjects')
+            ->where($query->expr()->in('id', $query->createNamedParameter($matches, IQueryBuilder::PARAM_INT_ARRAY)));
+
+        $result = $query->execute();
+        $calendarObjects = $result->fetchAll();
+        $result->closeCursor();
+
+        return array_map(function (array $array): array {
+            $array['calendarid'] = (int)$array['calendarid'];
+            $array['calendartype'] = (int)$array['calendartype'];
+            $array['calendardata'] = $this->readBlob($array['calendardata']);
+
+            return $array;
+        }, $calendarObjects);
+    }
+
+    /**
+     * Searches through all of a users calendars and calendar objects to find
+     * an object with a specific UID.
+     *
+     * This method should return the path to this object, relative to the
+     * calendar home, so this path usually only contains two parts:
+     *
+     * calendarpath/objectpath.ics
+     *
+     * If the uid is not found, return null.
+     *
+     * This method should only consider * objects that the principal owns, so
+     * any calendars owned by other principals that also appear in this
+     * collection should be ignored.
+     *
+     * @param string $principalUri
+     * @param string $uid
+     * @return string|null
+     */
+    public function getCalendarObjectByUID($principalUri, $uid) {
+        $query = $this->db->getQueryBuilder();
+        $query->selectAlias('c.uri', 'calendaruri')->selectAlias('co.uri', 'objecturi')
+            ->from('calendarobjects', 'co')
+            ->leftJoin('co', 'calendars', 'c', $query->expr()->eq('co.calendarid', 'c.id'))
+            ->where($query->expr()->eq('c.principaluri', $query->createNamedParameter($principalUri)))
+            ->andWhere($query->expr()->eq('co.uid', $query->createNamedParameter($uid)));
+
+        $stmt = $query->execute();
+
+        if ($row = $stmt->fetch(\PDO::FETCH_ASSOC)) {
+            return $row['calendaruri'] . '/' . $row['objecturi'];
+        }
+
+        return null;
+    }
+
+    /**
+     * The getChanges method returns all the changes that have happened, since
+     * the specified syncToken in the specified calendar.
+     *
+     * This function should return an array, such as the following:
+     *
+     * [
+     *   'syncToken' => 'The current synctoken',
+     *   'added'   => [
+     *      'new.txt',
+     *   ],
+     *   'modified'   => [
+     *      'modified.txt',
+     *   ],
+     *   'deleted' => [
+     *      'foo.php.bak',
+     *      'old.txt'
+     *   ]
+     * );
+     *
+     * The returned syncToken property should reflect the *current* syncToken
+     * of the calendar, as reported in the {http://sabredav.org/ns}sync-token
+     * property This is * needed here too, to ensure the operation is atomic.
+     *
+     * If the $syncToken argument is specified as null, this is an initial
+     * sync, and all members should be reported.
+     *
+     * The modified property is an array of nodenames that have changed since
+     * the last token.
+     *
+     * The deleted property is an array with nodenames, that have been deleted
+     * from collection.
+     *
+     * The $syncLevel argument is basically the 'depth' of the report. If it's
+     * 1, you only have to report changes that happened only directly in
+     * immediate descendants. If it's 2, it should also include changes from
+     * the nodes below the child collections. (grandchildren)
+     *
+     * The $limit argument allows a client to specify how many results should
+     * be returned at most. If the limit is not specified, it should be treated
+     * as infinite.
+     *
+     * If the limit (infinite or not) is higher than you're willing to return,
+     * you should throw a Sabre\DAV\Exception\TooMuchMatches() exception.
+     *
+     * If the syncToken is expired (due to data cleanup) or unknown, you must
+     * return null.
+     *
+     * The limit is 'suggestive'. You are free to ignore it.
+     *
+     * @param string $calendarId
+     * @param string $syncToken
+     * @param int $syncLevel
+     * @param int $limit
+     * @param int $calendarType
+     * @return array
+     */
+    public function getChangesForCalendar($calendarId, $syncToken, $syncLevel, $limit = null, $calendarType = self::CALENDAR_TYPE_CALENDAR) {
+        // Current synctoken
+        $stmt = $this->db->prepare('SELECT `synctoken` FROM `*PREFIX*calendars` WHERE `id` = ?');
+        $stmt->execute([ $calendarId ]);
+        $currentToken = $stmt->fetchColumn(0);
+
+        if (is_null($currentToken)) {
+            return null;
+        }
+
+        $result = [
+            'syncToken' => $currentToken,
+            'added' => [],
+            'modified' => [],
+            'deleted' => [],
+        ];
+
+        if ($syncToken) {
+            $query = "SELECT `uri`, `operation` FROM `*PREFIX*calendarchanges` WHERE `synctoken` >= ? AND `synctoken` < ? AND `calendarid` = ? AND `calendartype` = ? ORDER BY `synctoken`";
+            if ($limit > 0) {
+                $query .= " LIMIT " . (int)$limit;
+            }
+
+            // Fetching all changes
+            $stmt = $this->db->prepare($query);
+            $stmt->execute([$syncToken, $currentToken, $calendarId, $calendarType]);
+
+            $changes = [];
+
+            // This loop ensures that any duplicates are overwritten, only the
+            // last change on a node is relevant.
+            while ($row = $stmt->fetch(\PDO::FETCH_ASSOC)) {
+                $changes[$row['uri']] = $row['operation'];
+            }
+
+            foreach ($changes as $uri => $operation) {
+                switch ($operation) {
+                    case 1:
+                        $result['added'][] = $uri;
+                        break;
+                    case 2:
+                        $result['modified'][] = $uri;
+                        break;
+                    case 3:
+                        $result['deleted'][] = $uri;
+                        break;
+                }
+            }
+        } else {
+            // No synctoken supplied, this is the initial sync.
+            $query = "SELECT `uri` FROM `*PREFIX*calendarobjects` WHERE `calendarid` = ? AND `calendartype` = ?";
+            $stmt = $this->db->prepare($query);
+            $stmt->execute([$calendarId, $calendarType]);
+
+            $result['added'] = $stmt->fetchAll(\PDO::FETCH_COLUMN);
+        }
+        return $result;
+    }
+
+    /**
+     * Returns a list of subscriptions for a principal.
+     *
+     * Every subscription is an array with the following keys:
+     *  * id, a unique id that will be used by other functions to modify the
+     *    subscription. This can be the same as the uri or a database key.
+     *  * uri. This is just the 'base uri' or 'filename' of the subscription.
+     *  * principaluri. The owner of the subscription. Almost always the same as
+     *    principalUri passed to this method.
+     *
+     * Furthermore, all the subscription info must be returned too:
+     *
+     * 1. {DAV:}displayname
+     * 2. {http://apple.com/ns/ical/}refreshrate
+     * 3. {http://calendarserver.org/ns/}subscribed-strip-todos (omit if todos
+     *    should not be stripped).
+     * 4. {http://calendarserver.org/ns/}subscribed-strip-alarms (omit if alarms
+     *    should not be stripped).
+     * 5. {http://calendarserver.org/ns/}subscribed-strip-attachments (omit if
+     *    attachments should not be stripped).
+     * 6. {http://calendarserver.org/ns/}source (Must be a
+     *     Sabre\DAV\Property\Href).
+     * 7. {http://apple.com/ns/ical/}calendar-color
+     * 8. {http://apple.com/ns/ical/}calendar-order
+     * 9. {urn:ietf:params:xml:ns:caldav}supported-calendar-component-set
+     *    (should just be an instance of
+     *    Sabre\CalDAV\Property\SupportedCalendarComponentSet, with a bunch of
+     *    default components).
+     *
+     * @param string $principalUri
+     * @return array
+     */
+    public function getSubscriptionsForUser($principalUri) {
+        $fields = array_values($this->subscriptionPropertyMap);
+        $fields[] = 'id';
+        $fields[] = 'uri';
+        $fields[] = 'source';
+        $fields[] = 'principaluri';
+        $fields[] = 'lastmodified';
+        $fields[] = 'synctoken';
+
+        $query = $this->db->getQueryBuilder();
+        $query->select($fields)
+            ->from('calendarsubscriptions')
+            ->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)))
+            ->orderBy('calendarorder', 'asc');
+        $stmt = $query->execute();
+
+        $subscriptions = [];
+        while ($row = $stmt->fetch(\PDO::FETCH_ASSOC)) {
+            $subscription = [
+                'id' => $row['id'],
+                'uri' => $row['uri'],
+                'principaluri' => $row['principaluri'],
+                'source' => $row['source'],
+                'lastmodified' => $row['lastmodified'],
+
+                '{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet(['VTODO', 'VEVENT']),
+                '{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
+            ];
+
+            foreach ($this->subscriptionPropertyMap as $xmlName => $dbName) {
+                if (!is_null($row[$dbName])) {
+                    $subscription[$xmlName] = $row[$dbName];
+                }
+            }
+
+            $subscriptions[] = $subscription;
+        }
+
+        return $subscriptions;
+    }
+
+    /**
+     * Creates a new subscription for a principal.
+     *
+     * If the creation was a success, an id must be returned that can be used to reference
+     * this subscription in other methods, such as updateSubscription.
+     *
+     * @param string $principalUri
+     * @param string $uri
+     * @param array $properties
+     * @return mixed
+     */
+    public function createSubscription($principalUri, $uri, array $properties) {
+        if (!isset($properties['{http://calendarserver.org/ns/}source'])) {
+            throw new Forbidden('The {http://calendarserver.org/ns/}source property is required when creating subscriptions');
+        }
+
+        $values = [
+            'principaluri' => $principalUri,
+            'uri' => $uri,
+            'source' => $properties['{http://calendarserver.org/ns/}source']->getHref(),
+            'lastmodified' => time(),
+        ];
+
+        $propertiesBoolean = ['striptodos', 'stripalarms', 'stripattachments'];
+
+        foreach ($this->subscriptionPropertyMap as $xmlName => $dbName) {
+            if (array_key_exists($xmlName, $properties)) {
+                $values[$dbName] = $properties[$xmlName];
+                if (in_array($dbName, $propertiesBoolean)) {
+                    $values[$dbName] = true;
+                }
+            }
+        }
+
+        $valuesToInsert = [];
+
+        $query = $this->db->getQueryBuilder();
+
+        foreach (array_keys($values) as $name) {
+            $valuesToInsert[$name] = $query->createNamedParameter($values[$name]);
+        }
+
+        $query->insert('calendarsubscriptions')
+            ->values($valuesToInsert)
+            ->execute();
+
+        $subscriptionId = $this->db->lastInsertId('*PREFIX*calendarsubscriptions');
+
+        $subscriptionRow = $this->getSubscriptionById($subscriptionId);
+        $this->dispatcher->dispatchTyped(new SubscriptionCreatedEvent((int)$subscriptionId, $subscriptionRow));
+        $this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::createSubscription', new GenericEvent(
+            '\OCA\DAV\CalDAV\CalDavBackend::createSubscription',
+            [
+                'subscriptionId' => $subscriptionId,
+                'subscriptionData' => $subscriptionRow,
+            ]));
+
+        return $subscriptionId;
+    }
+
+    /**
+     * Updates a subscription
+     *
+     * The list of mutations is stored in a Sabre\DAV\PropPatch object.
+     * To do the actual updates, you must tell this object which properties
+     * you're going to process with the handle() method.
+     *
+     * Calling the handle method is like telling the PropPatch object "I
+     * promise I can handle updating this property".
+     *
+     * Read the PropPatch documentation for more info and examples.
+     *
+     * @param mixed $subscriptionId
+     * @param PropPatch $propPatch
+     * @return void
+     */
+    public function updateSubscription($subscriptionId, PropPatch $propPatch) {
+        $supportedProperties = array_keys($this->subscriptionPropertyMap);
+        $supportedProperties[] = '{http://calendarserver.org/ns/}source';
+
+        $propPatch->handle($supportedProperties, function ($mutations) use ($subscriptionId) {
+            $newValues = [];
+
+            foreach ($mutations as $propertyName => $propertyValue) {
+                if ($propertyName === '{http://calendarserver.org/ns/}source') {
+                    $newValues['source'] = $propertyValue->getHref();
+                } else {
+                    $fieldName = $this->subscriptionPropertyMap[$propertyName];
+                    $newValues[$fieldName] = $propertyValue;
+                }
+            }
+
+            $query = $this->db->getQueryBuilder();
+            $query->update('calendarsubscriptions')
+                ->set('lastmodified', $query->createNamedParameter(time()));
+            foreach ($newValues as $fieldName => $value) {
+                $query->set($fieldName, $query->createNamedParameter($value));
+            }
+            $query->where($query->expr()->eq('id', $query->createNamedParameter($subscriptionId)))
+                ->execute();
+
+            $subscriptionRow = $this->getSubscriptionById($subscriptionId);
+            $this->dispatcher->dispatchTyped(new SubscriptionUpdatedEvent((int)$subscriptionId, $subscriptionRow, [], $mutations));
+            $this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::updateSubscription', new GenericEvent(
+                '\OCA\DAV\CalDAV\CalDavBackend::updateSubscription',
+                [
+                    'subscriptionId' => $subscriptionId,
+                    'subscriptionData' => $subscriptionRow,
+                    'propertyMutations' => $mutations,
+                ]));
+
+            return true;
+        });
+    }
+
+    /**
+     * Deletes a subscription.
+     *
+     * @param mixed $subscriptionId
+     * @return void
+     */
+    public function deleteSubscription($subscriptionId) {
+        $subscriptionRow = $this->getSubscriptionById($subscriptionId);
+
+        $this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::deleteSubscription', new GenericEvent(
+            '\OCA\DAV\CalDAV\CalDavBackend::deleteSubscription',
+            [
+                'subscriptionId' => $subscriptionId,
+                'subscriptionData' => $this->getSubscriptionById($subscriptionId),
+            ]));
+
+        $query = $this->db->getQueryBuilder();
+        $query->delete('calendarsubscriptions')
+            ->where($query->expr()->eq('id', $query->createNamedParameter($subscriptionId)))
+            ->execute();
+
+        $query = $this->db->getQueryBuilder();
+        $query->delete('calendarobjects')
+            ->where($query->expr()->eq('calendarid', $query->createNamedParameter($subscriptionId)))
+            ->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter(self::CALENDAR_TYPE_SUBSCRIPTION)))
+            ->execute();
+
+        $query->delete('calendarchanges')
+            ->where($query->expr()->eq('calendarid', $query->createNamedParameter($subscriptionId)))
+            ->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter(self::CALENDAR_TYPE_SUBSCRIPTION)))
+            ->execute();
+
+        $query->delete($this->dbObjectPropertiesTable)
+            ->where($query->expr()->eq('calendarid', $query->createNamedParameter($subscriptionId)))
+            ->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter(self::CALENDAR_TYPE_SUBSCRIPTION)))
+            ->execute();
+
+        if ($subscriptionRow) {
+            $this->dispatcher->dispatchTyped(new SubscriptionDeletedEvent((int)$subscriptionId, $subscriptionRow, []));
+        }
+    }
+
+    /**
+     * Returns a single scheduling object for the inbox collection.
+     *
+     * The returned array should contain the following elements:
+     *   * uri - A unique basename for the object. This will be used to
+     *           construct a full uri.
+     *   * calendardata - The iCalendar object
+     *   * lastmodified - The last modification date. Can be an int for a unix
+     *                    timestamp, or a PHP DateTime object.
+     *   * etag - A unique token that must change if the object changed.
+     *   * size - The size of the object, in bytes.
+     *
+     * @param string $principalUri
+     * @param string $objectUri
+     * @return array
+     */
+    public function getSchedulingObject($principalUri, $objectUri) {
+        $query = $this->db->getQueryBuilder();
+        $stmt = $query->select(['uri', 'calendardata', 'lastmodified', 'etag', 'size'])
+            ->from('schedulingobjects')
+            ->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)))
+            ->andWhere($query->expr()->eq('uri', $query->createNamedParameter($objectUri)))
+            ->execute();
+
+        $row = $stmt->fetch(\PDO::FETCH_ASSOC);
+
+        if (!$row) {
+            return null;
+        }
+
+        return [
+            'uri' => $row['uri'],
+            'calendardata' => $row['calendardata'],
+            'lastmodified' => $row['lastmodified'],
+            'etag' => '"' . $row['etag'] . '"',
+            'size' => (int)$row['size'],
+        ];
+    }
+
+    /**
+     * Returns all scheduling objects for the inbox collection.
+     *
+     * These objects should be returned as an array. Every item in the array
+     * should follow the same structure as returned from getSchedulingObject.
+     *
+     * The main difference is that 'calendardata' is optional.
+     *
+     * @param string $principalUri
+     * @return array
+     */
+    public function getSchedulingObjects($principalUri) {
+        $query = $this->db->getQueryBuilder();
+        $stmt = $query->select(['uri', 'calendardata', 'lastmodified', 'etag', 'size'])
+                ->from('schedulingobjects')
+                ->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)))
+                ->execute();
+
+        $result = [];
+        foreach ($stmt->fetchAll(\PDO::FETCH_ASSOC) as $row) {
+            $result[] = [
+                'calendardata' => $row['calendardata'],
+                'uri' => $row['uri'],
+                'lastmodified' => $row['lastmodified'],
+                'etag' => '"' . $row['etag'] . '"',
+                'size' => (int)$row['size'],
+            ];
+        }
+
+        return $result;
+    }
+
+    /**
+     * Deletes a scheduling object from the inbox collection.
+     *
+     * @param string $principalUri
+     * @param string $objectUri
+     * @return void
+     */
+    public function deleteSchedulingObject($principalUri, $objectUri) {
+        $query = $this->db->getQueryBuilder();
+        $query->delete('schedulingobjects')
+                ->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)))
+                ->andWhere($query->expr()->eq('uri', $query->createNamedParameter($objectUri)))
+                ->execute();
+    }
+
+    /**
+     * Creates a new scheduling object. This should land in a users' inbox.
+     *
+     * @param string $principalUri
+     * @param string $objectUri
+     * @param string $objectData
+     * @return void
+     */
+    public function createSchedulingObject($principalUri, $objectUri, $objectData) {
+        $query = $this->db->getQueryBuilder();
+        $query->insert('schedulingobjects')
+            ->values([
+                'principaluri' => $query->createNamedParameter($principalUri),
+                'calendardata' => $query->createNamedParameter($objectData, IQueryBuilder::PARAM_LOB),
+                'uri' => $query->createNamedParameter($objectUri),
+                'lastmodified' => $query->createNamedParameter(time()),
+                'etag' => $query->createNamedParameter(md5($objectData)),
+                'size' => $query->createNamedParameter(strlen($objectData))
+            ])
+            ->execute();
+    }
+
+    /**
+     * Adds a change record to the calendarchanges table.
+     *
+     * @param mixed $calendarId
+     * @param string $objectUri
+     * @param int $operation 1 = add, 2 = modify, 3 = delete.
+     * @param int $calendarType
+     * @return void
+     */
+    protected function addChange($calendarId, $objectUri, $operation, $calendarType = self::CALENDAR_TYPE_CALENDAR) {
+        $table = $calendarType === self::CALENDAR_TYPE_CALENDAR ? 'calendars': 'calendarsubscriptions';
+
+        $query = $this->db->getQueryBuilder();
+        $query->select('synctoken')
+            ->from($table)
+            ->where($query->expr()->eq('id', $query->createNamedParameter($calendarId)));
+        $result = $query->execute();
+        $syncToken = (int)$result->fetchColumn();
+        $result->closeCursor();
+
+        $query = $this->db->getQueryBuilder();
+        $query->insert('calendarchanges')
+            ->values([
+                'uri' => $query->createNamedParameter($objectUri),
+                'synctoken' => $query->createNamedParameter($syncToken),
+                'calendarid' => $query->createNamedParameter($calendarId),
+                'operation' => $query->createNamedParameter($operation),
+                'calendartype' => $query->createNamedParameter($calendarType),
+            ])
+            ->execute();
+
+        $stmt = $this->db->prepare("UPDATE `*PREFIX*$table` SET `synctoken` = `synctoken` + 1 WHERE `id` = ?");
+        $stmt->execute([
+            $calendarId
+        ]);
+    }
+
+    /**
+     * Parses some information from calendar objects, used for optimized
+     * calendar-queries.
+     *
+     * Returns an array with the following keys:
+     *   * etag - An md5 checksum of the object without the quotes.
+     *   * size - Size of the object in bytes
+     *   * componentType - VEVENT, VTODO or VJOURNAL
+     *   * firstOccurence
+     *   * lastOccurence
+     *   * uid - value of the UID property
+     *
+     * @param string $calendarData
+     * @return array
+     */
+    public function getDenormalizedData($calendarData) {
+        $vObject = Reader::read($calendarData);
+        $vEvents = [];
+        $componentType = null;
+        $component = null;
+        $firstOccurrence = null;
+        $lastOccurrence = null;
+        $uid = null;
+        $classification = self::CLASSIFICATION_PUBLIC;
+        $hasDTSTART = false;
+        foreach ($vObject->getComponents() as $component) {
+            if ($component->name !== 'VTIMEZONE') {
+                // Finding all VEVENTs, and track them
+                if ($component->name === 'VEVENT') {
+                    array_push($vEvents, $component);
+                    if ($component->DTSTART) {
+                        $hasDTSTART = true;
+                    }
+                }
+                // Track first component type and uid
+                if ($uid === null) {
+                    $componentType = $component->name;
+                    $uid = (string)$component->UID;
+                }
+            }
+        }
+        if (!$componentType) {
+            throw new \Sabre\DAV\Exception\BadRequest('Calendar objects must have a VJOURNAL, VEVENT or VTODO component');
+        }
+
+        if ($hasDTSTART) {
+            $component = $vEvents[0];
+
+            // Finding the last occurrence is a bit harder
+            if (!isset($component->RRULE) && count($vEvents) === 1) {
+                $firstOccurrence = $component->DTSTART->getDateTime()->getTimeStamp();
+                if (isset($component->DTEND)) {
+                    $lastOccurrence = $component->DTEND->getDateTime()->getTimeStamp();
+                } elseif (isset($component->DURATION)) {
+                    $endDate = clone $component->DTSTART->getDateTime();
+                    $endDate->add(DateTimeParser::parse($component->DURATION->getValue()));
+                    $lastOccurrence = $endDate->getTimeStamp();
+                } elseif (!$component->DTSTART->hasTime()) {
+                    $endDate = clone $component->DTSTART->getDateTime();
+                    $endDate->modify('+1 day');
+                    $lastOccurrence = $endDate->getTimeStamp();
+                } else {
+                    $lastOccurrence = $firstOccurrence;
+                }
+            } else {
+                $it = new EventIterator($vEvents);
+                $maxDate = new DateTime(self::MAX_DATE);
+                $firstOccurrence = $it->getDtStart()->getTimestamp();
+                if ($it->isInfinite()) {
+                    $lastOccurrence = $maxDate->getTimestamp();
+                } else {
+                    $end = $it->getDtEnd();
+                    while ($it->valid() && $end < $maxDate) {
+                        $end = $it->getDtEnd();
+                        $it->next();
+                    }
+                    $lastOccurrence = $end->getTimestamp();
+                }
+            }
+        }
+
+        if ($component->CLASS) {
+            $classification = CalDavBackend::CLASSIFICATION_PRIVATE;
+            switch ($component->CLASS->getValue()) {
+                case 'PUBLIC':
+                    $classification = CalDavBackend::CLASSIFICATION_PUBLIC;
+                    break;
+                case 'CONFIDENTIAL':
+                    $classification = CalDavBackend::CLASSIFICATION_CONFIDENTIAL;
+                    break;
+            }
+        }
+        return [
+            'etag' => md5($calendarData),
+            'size' => strlen($calendarData),
+            'componentType' => $componentType,
+            'firstOccurence' => is_null($firstOccurrence) ? null : max(0, $firstOccurrence),
+            'lastOccurence' => $lastOccurrence,
+            'uid' => $uid,
+            'classification' => $classification
+        ];
+    }
+
+    /**
+     * @param $cardData
+     * @return bool|string
+     */
+    private function readBlob($cardData) {
+        if (is_resource($cardData)) {
+            return stream_get_contents($cardData);
+        }
+
+        return $cardData;
+    }
+
+    /**
+     * @param IShareable $shareable
+     * @param array $add
+     * @param array $remove
+     */
+    public function updateShares($shareable, $add, $remove) {
+        $calendarId = $shareable->getResourceId();
+        $calendarRow = $this->getCalendarById($calendarId);
+        $oldShares = $this->getShares($calendarId);
+
+        $this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::updateShares', new GenericEvent(
+            '\OCA\DAV\CalDAV\CalDavBackend::updateShares',
+            [
+                'calendarId' => $calendarId,
+                'calendarData' => $calendarRow,
+                'shares' => $oldShares,
+                'add' => $add,
+                'remove' => $remove,
+            ]));
+        $this->calendarSharingBackend->updateShares($shareable, $add, $remove);
+
+        $this->dispatcher->dispatchTyped(new CalendarShareUpdatedEvent((int)$calendarId, $calendarRow, $oldShares, $add, $remove));
+    }
+
+    /**
+     * @param int $resourceId
+     * @param int $calendarType
+     * @return array
+     */
+    public function getShares($resourceId, $calendarType = self::CALENDAR_TYPE_CALENDAR) {
+        return $this->calendarSharingBackend->getShares($resourceId);
+    }
+
+    /**
+     * @param boolean $value
+     * @param \OCA\DAV\CalDAV\Calendar $calendar
+     * @return string|null
+     */
+    public function setPublishStatus($value, $calendar) {
+        $calendarId = $calendar->getResourceId();
+        $calendarData = $this->getCalendarById($calendarId);
+        $this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::publishCalendar', new GenericEvent(
+            '\OCA\DAV\CalDAV\CalDavBackend::updateShares',
+            [
+                'calendarId' => $calendarId,
+                'calendarData' => $calendarData,
+                'public' => $value,
+            ]));
+
+        $query = $this->db->getQueryBuilder();
+        if ($value) {
+            $publicUri = $this->random->generate(16, ISecureRandom::CHAR_HUMAN_READABLE);
+            $query->insert('dav_shares')
+                ->values([
+                    'principaluri' => $query->createNamedParameter($calendar->getPrincipalURI()),
+                    'type' => $query->createNamedParameter('calendar'),
+                    'access' => $query->createNamedParameter(self::ACCESS_PUBLIC),
+                    'resourceid' => $query->createNamedParameter($calendar->getResourceId()),
+                    'publicuri' => $query->createNamedParameter($publicUri)
+                ]);
+            $query->execute();
+
+            $this->dispatcher->dispatchTyped(new CalendarPublishedEvent((int)$calendarId, $calendarData, $publicUri));
+            return $publicUri;
+        }
+        $query->delete('dav_shares')
+            ->where($query->expr()->eq('resourceid', $query->createNamedParameter($calendar->getResourceId())))
+            ->andWhere($query->expr()->eq('access', $query->createNamedParameter(self::ACCESS_PUBLIC)));
+        $query->execute();
+
+        $this->dispatcher->dispatchTyped(new CalendarUnpublishedEvent((int)$calendarId, $calendarData));
+        return null;
+    }
+
+    /**
+     * @param \OCA\DAV\CalDAV\Calendar $calendar
+     * @return mixed
+     */
+    public function getPublishStatus($calendar) {
+        $query = $this->db->getQueryBuilder();
+        $result = $query->select('publicuri')
+            ->from('dav_shares')
+            ->where($query->expr()->eq('resourceid', $query->createNamedParameter($calendar->getResourceId())))
+            ->andWhere($query->expr()->eq('access', $query->createNamedParameter(self::ACCESS_PUBLIC)))
+            ->execute();
+
+        $row = $result->fetch();
+        $result->closeCursor();
+        return $row ? reset($row) : false;
+    }
+
+    /**
+     * @param int $resourceId
+     * @param array $acl
+     * @return array
+     */
+    public function applyShareAcl($resourceId, $acl) {
+        return $this->calendarSharingBackend->applyShareAcl($resourceId, $acl);
+    }
+
+
+
+    /**
+     * update properties table
+     *
+     * @param int $calendarId
+     * @param string $objectUri
+     * @param string $calendarData
+     * @param int $calendarType
+     */
+    public function updateProperties($calendarId, $objectUri, $calendarData, $calendarType = self::CALENDAR_TYPE_CALENDAR) {
+        $objectId = $this->getCalendarObjectId($calendarId, $objectUri, $calendarType);
+
+        try {
+            $vCalendar = $this->readCalendarData($calendarData);
+        } catch (\Exception $ex) {
+            return;
+        }
+
+        $this->purgeProperties($calendarId, $objectId);
+
+        $query = $this->db->getQueryBuilder();
+        $query->insert($this->dbObjectPropertiesTable)
+            ->values(
+                [
+                    'calendarid' => $query->createNamedParameter($calendarId),
+                    'calendartype' => $query->createNamedParameter($calendarType),
+                    'objectid' => $query->createNamedParameter($objectId),
+                    'name' => $query->createParameter('name'),
+                    'parameter' => $query->createParameter('parameter'),
+                    'value' => $query->createParameter('value'),
+                ]
+            );
+
+        $indexComponents = ['VEVENT', 'VJOURNAL', 'VTODO'];
+        foreach ($vCalendar->getComponents() as $component) {
+            if (!in_array($component->name, $indexComponents)) {
+                continue;
+            }
+
+            foreach ($component->children() as $property) {
+                if (in_array($property->name, self::$indexProperties)) {
+                    $value = $property->getValue();
+                    // is this a shitty db?
+                    if (!$this->db->supports4ByteText()) {
+                        $value = preg_replace('/[\x{10000}-\x{10FFFF}]/u', "\xEF\xBF\xBD", $value);
+                    }
+                    $value = mb_substr($value, 0, 254);
+
+                    $query->setParameter('name', $property->name);
+                    $query->setParameter('parameter', null);
+                    $query->setParameter('value', $value);
+                    $query->execute();
+                }
+
+                if (array_key_exists($property->name, self::$indexParameters)) {
+                    $parameters = $property->parameters();
+                    $indexedParametersForProperty = self::$indexParameters[$property->name];
+
+                    foreach ($parameters as $key => $value) {
+                        if (in_array($key, $indexedParametersForProperty)) {
+                            // is this a shitty db?
+                            if ($this->db->supports4ByteText()) {
+                                $value = preg_replace('/[\x{10000}-\x{10FFFF}]/u', "\xEF\xBF\xBD", $value);
+                            }
+
+                            $query->setParameter('name', $property->name);
+                            $query->setParameter('parameter', mb_substr($key, 0, 254));
+                            $query->setParameter('value', mb_substr($value, 0, 254));
+                            $query->execute();
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    /**
+     * deletes all birthday calendars
+     */
+    public function deleteAllBirthdayCalendars() {
+        $query = $this->db->getQueryBuilder();
+        $result = $query->select(['id'])->from('calendars')
+            ->where($query->expr()->eq('uri', $query->createNamedParameter(BirthdayService::BIRTHDAY_CALENDAR_URI)))
+            ->execute();
+
+        $ids = $result->fetchAll();
+        foreach ($ids as $id) {
+            $this->deleteCalendar($id['id']);
+        }
+    }
+
+    /**
+     * @param $subscriptionId
+     */
+    public function purgeAllCachedEventsForSubscription($subscriptionId) {
+        $query = $this->db->getQueryBuilder();
+        $query->select('uri')
+            ->from('calendarobjects')
+            ->where($query->expr()->eq('calendarid', $query->createNamedParameter($subscriptionId)))
+            ->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter(self::CALENDAR_TYPE_SUBSCRIPTION)));
+        $stmt = $query->execute();
+
+        $uris = [];
+        foreach ($stmt->fetchAll(\PDO::FETCH_ASSOC) as $row) {
+            $uris[] = $row['uri'];
+        }
+        $stmt->closeCursor();
+
+        $query = $this->db->getQueryBuilder();
+        $query->delete('calendarobjects')
+            ->where($query->expr()->eq('calendarid', $query->createNamedParameter($subscriptionId)))
+            ->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter(self::CALENDAR_TYPE_SUBSCRIPTION)))
+            ->execute();
+
+        $query->delete('calendarchanges')
+            ->where($query->expr()->eq('calendarid', $query->createNamedParameter($subscriptionId)))
+            ->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter(self::CALENDAR_TYPE_SUBSCRIPTION)))
+            ->execute();
+
+        $query->delete($this->dbObjectPropertiesTable)
+            ->where($query->expr()->eq('calendarid', $query->createNamedParameter($subscriptionId)))
+            ->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter(self::CALENDAR_TYPE_SUBSCRIPTION)))
+            ->execute();
+
+        foreach ($uris as $uri) {
+            $this->addChange($subscriptionId, $uri, 3, self::CALENDAR_TYPE_SUBSCRIPTION);
+        }
+    }
+
+    /**
+     * Move a calendar from one user to another
+     *
+     * @param string $uriName
+     * @param string $uriOrigin
+     * @param string $uriDestination
+     */
+    public function moveCalendar($uriName, $uriOrigin, $uriDestination) {
+        $query = $this->db->getQueryBuilder();
+        $query->update('calendars')
+            ->set('principaluri', $query->createNamedParameter($uriDestination))
+            ->where($query->expr()->eq('principaluri', $query->createNamedParameter($uriOrigin)))
+            ->andWhere($query->expr()->eq('uri', $query->createNamedParameter($uriName)))
+            ->execute();
+    }
+
+    /**
+     * read VCalendar data into a VCalendar object
+     *
+     * @param string $objectData
+     * @return VCalendar
+     */
+    protected function readCalendarData($objectData) {
+        return Reader::read($objectData);
+    }
+
+    /**
+     * delete all properties from a given calendar object
+     *
+     * @param int $calendarId
+     * @param int $objectId
+     */
+    protected function purgeProperties($calendarId, $objectId) {
+        $query = $this->db->getQueryBuilder();
+        $query->delete($this->dbObjectPropertiesTable)
+            ->where($query->expr()->eq('objectid', $query->createNamedParameter($objectId)))
+            ->andWhere($query->expr()->eq('calendarid', $query->createNamedParameter($calendarId)));
+        $query->execute();
+    }
+
+    /**
+     * get ID from a given calendar object
+     *
+     * @param int $calendarId
+     * @param string $uri
+     * @param int $calendarType
+     * @return int
+     */
+    protected function getCalendarObjectId($calendarId, $uri, $calendarType):int {
+        $query = $this->db->getQueryBuilder();
+        $query->select('id')
+            ->from('calendarobjects')
+            ->where($query->expr()->eq('uri', $query->createNamedParameter($uri)))
+            ->andWhere($query->expr()->eq('calendarid', $query->createNamedParameter($calendarId)))
+            ->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter($calendarType)));
+
+        $result = $query->execute();
+        $objectIds = $result->fetch();
+        $result->closeCursor();
+
+        if (!isset($objectIds['id'])) {
+            throw new \InvalidArgumentException('Calendarobject does not exists: ' . $uri);
+        }
+
+        return (int)$objectIds['id'];
+    }
+
+    /**
+     * return legacy endpoint principal name to new principal name
+     *
+     * @param $principalUri
+     * @param $toV2
+     * @return string
+     */
+    private function convertPrincipal($principalUri, $toV2) {
+        if ($this->principalBackend->getPrincipalPrefix() === 'principals') {
+            list(, $name) = Uri\split($principalUri);
+            if ($toV2 === true) {
+                return "principals/users/$name";
+            }
+            return "principals/$name";
+        }
+        return $principalUri;
+    }
+
+    /**
+     * adds information about an owner to the calendar data
+     *
+     * @param $calendarInfo
+     */
+    private function addOwnerPrincipal(&$calendarInfo) {
+        $ownerPrincipalKey = '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal';
+        $displaynameKey = '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_NEXTCLOUD . '}owner-displayname';
+        if (isset($calendarInfo[$ownerPrincipalKey])) {
+            $uri = $calendarInfo[$ownerPrincipalKey];
+        } else {
+            $uri = $calendarInfo['principaluri'];
+        }
+
+        $principalInformation = $this->principalBackend->getPrincipalByPath($uri);
+        if (isset($principalInformation['{DAV:}displayname'])) {
+            $calendarInfo[$displaynameKey] = $principalInformation['{DAV:}displayname'];
+        }
+    }
 }

Spacing +117 added lines, -117 removed lines

@@ -255,7 +255,7 @@ 
 		}
 
 		$result = $query->execute();
-		$column = (int)$result->fetchColumn();
+		$column = (int) $result->fetchColumn();
 		$result->closeCursor();
 		return $column;
 	}
@@ -315,18 +315,18 @@ 
 			$row['principaluri'] = (string) $row['principaluri'];
 			$components = [];
 			if ($row['components']) {
-				$components = explode(',',$row['components']);
+				$components = explode(',', $row['components']);
 			}
 
 			$calendar = [
 				'id' => $row['id'],
 				'uri' => $row['uri'],
 				'principaluri' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
-				'{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken']?$row['synctoken']:'0'),
-				'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
-				'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
-				'{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent']?'transparent':'opaque'),
-				'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal' => $this->convertPrincipal($principalUri, !$this->legacyEndpoint),
+				'{'.Plugin::NS_CALENDARSERVER.'}getctag' => 'http://sabre.io/ns/sync/'.($row['synctoken'] ? $row['synctoken'] : '0'),
+				'{http://sabredav.org/ns}sync-token' => $row['synctoken'] ? $row['synctoken'] : '0',
+				'{'.Plugin::NS_CALDAV.'}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
+				'{'.Plugin::NS_CALDAV.'}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent'] ? 'transparent' : 'opaque'),
+				'{'.\OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD.'}owner-principal' => $this->convertPrincipal($principalUri, !$this->legacyEndpoint),
 			];
 
 			foreach ($this->propertyMap as $xmlName => $dbName) {
@@ -345,7 +345,7 @@ 
 		$principals = $this->principalBackend->getGroupMembership($principalUriOriginal, true);
 		$principals = array_merge($principals, $this->principalBackend->getCircleMembership($principalUriOriginal));
 
-		$principals = array_map(function ($principal) {
+		$principals = array_map(function($principal) {
 			return urldecode($principal);
 		}, $principals);
 		$principals[] = $principalUri;
@@ -367,9 +367,9 @@ 
 			->setParameter('type', 'calendar')
 			->setParameter('principaluri', $principals, \Doctrine\DBAL\Connection::PARAM_STR_ARRAY);
 
-		$result	= $query->execute();
+		$result = $query->execute();
 
-		$readOnlyPropertyName = '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}read-only';
+		$readOnlyPropertyName = '{'.\OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD.'}read-only';
 		while ($row = $result->fetch()) {
 			$row['principaluri'] = (string) $row['principaluri'];
 			if ($row['principaluri'] === $principalUri) {
@@ -390,21 +390,21 @@ 
 			}
 
 			list(, $name) = Uri\split($row['principaluri']);
-			$uri = $row['uri'] . '_shared_by_' . $name;
-			$row['displayname'] = $row['displayname'] . ' (' . $this->getUserDisplayName($name) . ')';
+			$uri = $row['uri'].'_shared_by_'.$name;
+			$row['displayname'] = $row['displayname'].' ('.$this->getUserDisplayName($name).')';
 			$components = [];
 			if ($row['components']) {
-				$components = explode(',',$row['components']);
+				$components = explode(',', $row['components']);
 			}
 			$calendar = [
 				'id' => $row['id'],
 				'uri' => $uri,
 				'principaluri' => $this->convertPrincipal($principalUri, !$this->legacyEndpoint),
-				'{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken']?$row['synctoken']:'0'),
-				'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
-				'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
-				'{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp('transparent'),
-				'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
+				'{'.Plugin::NS_CALENDARSERVER.'}getctag' => 'http://sabre.io/ns/sync/'.($row['synctoken'] ? $row['synctoken'] : '0'),
+				'{http://sabredav.org/ns}sync-token' => $row['synctoken'] ? $row['synctoken'] : '0',
+				'{'.Plugin::NS_CALDAV.'}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
+				'{'.Plugin::NS_CALDAV.'}schedule-calendar-transp' => new ScheduleCalendarTransp('transparent'),
+				'{'.\OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD.'}owner-principal' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
 				$readOnlyPropertyName => $readOnly,
 			];
 
@@ -445,16 +445,16 @@ 
 			$row['principaluri'] = (string) $row['principaluri'];
 			$components = [];
 			if ($row['components']) {
-				$components = explode(',',$row['components']);
+				$components = explode(',', $row['components']);
 			}
 			$calendar = [
 				'id' => $row['id'],
 				'uri' => $row['uri'],
 				'principaluri' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
-				'{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken']?$row['synctoken']:'0'),
-				'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
-				'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
-				'{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent']?'transparent':'opaque'),
+				'{'.Plugin::NS_CALENDARSERVER.'}getctag' => 'http://sabre.io/ns/sync/'.($row['synctoken'] ? $row['synctoken'] : '0'),
+				'{http://sabredav.org/ns}sync-token' => $row['synctoken'] ? $row['synctoken'] : '0',
+				'{'.Plugin::NS_CALDAV.'}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
+				'{'.Plugin::NS_CALDAV.'}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent'] ? 'transparent' : 'opaque'),
 			];
 			foreach ($this->propertyMap as $xmlName => $dbName) {
 				$calendar[$xmlName] = $row[$dbName];
@@ -514,22 +514,22 @@ 
 		while ($row = $result->fetch()) {
 			$row['principaluri'] = (string) $row['principaluri'];
 			list(, $name) = Uri\split($row['principaluri']);
-			$row['displayname'] = $row['displayname'] . "($name)";
+			$row['displayname'] = $row['displayname']."($name)";
 			$components = [];
 			if ($row['components']) {
-				$components = explode(',',$row['components']);
+				$components = explode(',', $row['components']);
 			}
 			$calendar = [
 				'id' => $row['id'],
 				'uri' => $row['publicuri'],
 				'principaluri' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
-				'{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken']?$row['synctoken']:'0'),
-				'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
-				'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
-				'{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent']?'transparent':'opaque'),
-				'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal' => $this->convertPrincipal($row['principaluri'], $this->legacyEndpoint),
-				'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}read-only' => (int)$row['access'] === Backend::ACCESS_READ,
-				'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}public' => (int)$row['access'] === self::ACCESS_PUBLIC,
+				'{'.Plugin::NS_CALENDARSERVER.'}getctag' => 'http://sabre.io/ns/sync/'.($row['synctoken'] ? $row['synctoken'] : '0'),
+				'{http://sabredav.org/ns}sync-token' => $row['synctoken'] ? $row['synctoken'] : '0',
+				'{'.Plugin::NS_CALDAV.'}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
+				'{'.Plugin::NS_CALDAV.'}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent'] ? 'transparent' : 'opaque'),
+				'{'.\OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD.'}owner-principal' => $this->convertPrincipal($row['principaluri'], $this->legacyEndpoint),
+				'{'.\OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD.'}read-only' => (int) $row['access'] === Backend::ACCESS_READ,
+				'{'.\OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD.'}public' => (int) $row['access'] === self::ACCESS_PUBLIC,
 			];
 
 			foreach ($this->propertyMap as $xmlName => $dbName) {
@@ -576,27 +576,27 @@ 
 		$result->closeCursor();
 
 		if ($row === false) {
-			throw new NotFound('Node with name \'' . $uri . '\' could not be found');
+			throw new NotFound('Node with name \''.$uri.'\' could not be found');
 		}
 
 		$row['principaluri'] = (string) $row['principaluri'];
 		list(, $name) = Uri\split($row['principaluri']);
-		$row['displayname'] = $row['displayname'] . ' ' . "($name)";
+		$row['displayname'] = $row['displayname'].' '."($name)";
 		$components = [];
 		if ($row['components']) {
-			$components = explode(',',$row['components']);
+			$components = explode(',', $row['components']);
 		}
 		$calendar = [
 			'id' => $row['id'],
 			'uri' => $row['publicuri'],
 			'principaluri' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
-			'{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken']?$row['synctoken']:'0'),
-			'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
-			'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
-			'{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent']?'transparent':'opaque'),
-			'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
-			'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}read-only' => (int)$row['access'] === Backend::ACCESS_READ,
-			'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}public' => (int)$row['access'] === self::ACCESS_PUBLIC,
+			'{'.Plugin::NS_CALENDARSERVER.'}getctag' => 'http://sabre.io/ns/sync/'.($row['synctoken'] ? $row['synctoken'] : '0'),
+			'{http://sabredav.org/ns}sync-token' => $row['synctoken'] ? $row['synctoken'] : '0',
+			'{'.Plugin::NS_CALDAV.'}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
+			'{'.Plugin::NS_CALDAV.'}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent'] ? 'transparent' : 'opaque'),
+			'{'.\OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD.'}owner-principal' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
+			'{'.\OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD.'}read-only' => (int) $row['access'] === Backend::ACCESS_READ,
+			'{'.\OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD.'}public' => (int) $row['access'] === self::ACCESS_PUBLIC,
 		];
 
 		foreach ($this->propertyMap as $xmlName => $dbName) {
@@ -639,17 +639,17 @@ 
 		$row['principaluri'] = (string) $row['principaluri'];
 		$components = [];
 		if ($row['components']) {
-			$components = explode(',',$row['components']);
+			$components = explode(',', $row['components']);
 		}
 
 		$calendar = [
 			'id' => $row['id'],
 			'uri' => $row['uri'],
 			'principaluri' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
-			'{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken']?$row['synctoken']:'0'),
-			'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
-			'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
-			'{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent']?'transparent':'opaque'),
+			'{'.Plugin::NS_CALENDARSERVER.'}getctag' => 'http://sabre.io/ns/sync/'.($row['synctoken'] ? $row['synctoken'] : '0'),
+			'{http://sabredav.org/ns}sync-token' => $row['synctoken'] ? $row['synctoken'] : '0',
+			'{'.Plugin::NS_CALDAV.'}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
+			'{'.Plugin::NS_CALDAV.'}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent'] ? 'transparent' : 'opaque'),
 		];
 
 		foreach ($this->propertyMap as $xmlName => $dbName) {
@@ -690,17 +690,17 @@ 
 		$row['principaluri'] = (string) $row['principaluri'];
 		$components = [];
 		if ($row['components']) {
-			$components = explode(',',$row['components']);
+			$components = explode(',', $row['components']);
 		}
 
 		$calendar = [
 			'id' => $row['id'],
 			'uri' => $row['uri'],
 			'principaluri' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
-			'{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken']?$row['synctoken']:'0'),
-			'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
-			'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
-			'{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent']?'transparent':'opaque'),
+			'{'.Plugin::NS_CALENDARSERVER.'}getctag' => 'http://sabre.io/ns/sync/'.($row['synctoken'] ? $row['synctoken'] : '0'),
+			'{http://sabredav.org/ns}sync-token' => $row['synctoken'] ? $row['synctoken'] : '0',
+			'{'.Plugin::NS_CALDAV.'}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
+			'{'.Plugin::NS_CALDAV.'}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent'] ? 'transparent' : 'opaque'),
 		];
 
 		foreach ($this->propertyMap as $xmlName => $dbName) {
@@ -744,8 +744,8 @@ 
 			'principaluri' => $row['principaluri'],
 			'source' => $row['source'],
 			'lastmodified' => $row['lastmodified'],
-			'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet(['VTODO', 'VEVENT']),
-			'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
+			'{'.Plugin::NS_CALDAV.'}supported-calendar-component-set' => new SupportedCalendarComponentSet(['VTODO', 'VEVENT']),
+			'{http://sabredav.org/ns}sync-token' => $row['synctoken'] ? $row['synctoken'] : '0',
 		];
 
 		foreach ($this->subscriptionPropertyMap as $xmlName => $dbName) {
@@ -782,16 +782,16 @@ 
 		$sccs = '{urn:ietf:params:xml:ns:caldav}supported-calendar-component-set';
 		if (isset($properties[$sccs])) {
 			if (!($properties[$sccs] instanceof SupportedCalendarComponentSet)) {
-				throw new DAV\Exception('The ' . $sccs . ' property must be of type: \Sabre\CalDAV\Property\SupportedCalendarComponentSet');
+				throw new DAV\Exception('The '.$sccs.' property must be of type: \Sabre\CalDAV\Property\SupportedCalendarComponentSet');
 			}
-			$values['components'] = implode(',',$properties[$sccs]->getValue());
+			$values['components'] = implode(',', $properties[$sccs]->getValue());
 		} elseif (isset($properties['components'])) {
 			// Allow to provide components internally without having
 			// to create a SupportedCalendarComponentSet object
 			$values['components'] = $properties['components'];
 		}
 
-		$transp = '{' . Plugin::NS_CALDAV . '}schedule-calendar-transp';
+		$transp = '{'.Plugin::NS_CALDAV.'}schedule-calendar-transp';
 		if (isset($properties[$transp])) {
 			$values['transparent'] = (int) ($properties[$transp]->getValue() === 'transparent');
 		}
@@ -811,7 +811,7 @@ 
 		$calendarId = $query->getLastInsertId();
 
 		$calendarData = $this->getCalendarById($calendarId);
-		$this->dispatcher->dispatchTyped(new CalendarCreatedEvent((int)$calendarId, $calendarData));
+		$this->dispatcher->dispatchTyped(new CalendarCreatedEvent((int) $calendarId, $calendarData));
 		$this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::createCalendar', new GenericEvent(
 			'\OCA\DAV\CalDAV\CalDavBackend::createCalendar',
 			[
@@ -840,13 +840,13 @@ 
 	 */
 	public function updateCalendar($calendarId, PropPatch $propPatch) {
 		$supportedProperties = array_keys($this->propertyMap);
-		$supportedProperties[] = '{' . Plugin::NS_CALDAV . '}schedule-calendar-transp';
+		$supportedProperties[] = '{'.Plugin::NS_CALDAV.'}schedule-calendar-transp';
 
-		$propPatch->handle($supportedProperties, function ($mutations) use ($calendarId) {
+		$propPatch->handle($supportedProperties, function($mutations) use ($calendarId) {
 			$newValues = [];
 			foreach ($mutations as $propertyName => $propertyValue) {
 				switch ($propertyName) {
-					case '{' . Plugin::NS_CALDAV . '}schedule-calendar-transp':
+					case '{'.Plugin::NS_CALDAV.'}schedule-calendar-transp':
 						$fieldName = 'transparent';
 						$newValues[$fieldName] = (int) ($propertyValue->getValue() === 'transparent');
 						break;
@@ -868,7 +868,7 @@ 
 
 			$calendarData = $this->getCalendarById($calendarId);
 			$shares = $this->getShares($calendarId);
-			$this->dispatcher->dispatchTyped(new CalendarUpdatedEvent((int)$calendarId, $calendarData, $shares, $mutations));
+			$this->dispatcher->dispatchTyped(new CalendarUpdatedEvent((int) $calendarId, $calendarData, $shares, $mutations));
 			$this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::updateCalendar', new GenericEvent(
 				'\OCA\DAV\CalDAV\CalDavBackend::updateCalendar',
 				[
@@ -918,7 +918,7 @@ 
 			->execute();
 
 		if ($calendarData) {
-			$this->dispatcher->dispatchTyped(new CalendarDeletedEvent((int)$calendarId, $calendarData, $shares));
+			$this->dispatcher->dispatchTyped(new CalendarDeletedEvent((int) $calendarId, $calendarData, $shares));
 		}
 	}
 
@@ -978,11 +978,11 @@ 
 				'id' => $row['id'],
 				'uri' => $row['uri'],
 				'lastmodified' => $row['lastmodified'],
-				'etag' => '"' . $row['etag'] . '"',
+				'etag' => '"'.$row['etag'].'"',
 				'calendarid' => $row['calendarid'],
-				'size' => (int)$row['size'],
+				'size' => (int) $row['size'],
 				'component' => strtolower($row['componenttype']),
-				'classification' => (int)$row['classification']
+				'classification' => (int) $row['classification']
 			];
 		}
 		$stmt->closeCursor();
@@ -1026,12 +1026,12 @@ 
 			'id' => $row['id'],
 			'uri' => $row['uri'],
 			'lastmodified' => $row['lastmodified'],
-			'etag' => '"' . $row['etag'] . '"',
+			'etag' => '"'.$row['etag'].'"',
 			'calendarid' => $row['calendarid'],
-			'size' => (int)$row['size'],
+			'size' => (int) $row['size'],
 			'calendardata' => $this->readBlob($row['calendardata']),
 			'component' => strtolower($row['componenttype']),
-			'classification' => (int)$row['classification']
+			'classification' => (int) $row['classification']
 		];
 	}
 
@@ -1072,12 +1072,12 @@ 
 					'id' => $row['id'],
 					'uri' => $row['uri'],
 					'lastmodified' => $row['lastmodified'],
-					'etag' => '"' . $row['etag'] . '"',
+					'etag' => '"'.$row['etag'].'"',
 					'calendarid' => $row['calendarid'],
-					'size' => (int)$row['size'],
+					'size' => (int) $row['size'],
 					'calendardata' => $this->readBlob($row['calendardata']),
 					'component' => strtolower($row['componenttype']),
-					'classification' => (int)$row['classification']
+					'classification' => (int) $row['classification']
 				];
 			}
 			$result->closeCursor();
@@ -1149,7 +1149,7 @@ 
 			$calendarRow = $this->getCalendarById($calendarId);
 			$shares = $this->getShares($calendarId);
 
-			$this->dispatcher->dispatchTyped(new CalendarObjectCreatedEvent((int)$calendarId, $calendarRow, $shares, $objectRow));
+			$this->dispatcher->dispatchTyped(new CalendarObjectCreatedEvent((int) $calendarId, $calendarRow, $shares, $objectRow));
 			$this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::createCalendarObject', new GenericEvent(
 				'\OCA\DAV\CalDAV\CalDavBackend::createCalendarObject',
 				[
@@ -1162,7 +1162,7 @@ 
 		} else {
 			$subscriptionRow = $this->getSubscriptionById($calendarId);
 
-			$this->dispatcher->dispatchTyped(new CachedCalendarObjectCreatedEvent((int)$calendarId, $subscriptionRow, [], $objectRow));
+			$this->dispatcher->dispatchTyped(new CachedCalendarObjectCreatedEvent((int) $calendarId, $subscriptionRow, [], $objectRow));
 			$this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::createCachedCalendarObject', new GenericEvent(
 				'\OCA\DAV\CalDAV\CalDavBackend::createCachedCalendarObject',
 				[
@@ -1174,7 +1174,7 @@ 
 			));
 		}
 
-		return '"' . $extraData['etag'] . '"';
+		return '"'.$extraData['etag'].'"';
 	}
 
 	/**
@@ -1223,7 +1223,7 @@ 
 				$calendarRow = $this->getCalendarById($calendarId);
 				$shares = $this->getShares($calendarId);
 
-				$this->dispatcher->dispatchTyped(new CalendarObjectUpdatedEvent((int)$calendarId, $calendarRow, $shares, $objectRow));
+				$this->dispatcher->dispatchTyped(new CalendarObjectUpdatedEvent((int) $calendarId, $calendarRow, $shares, $objectRow));
 				$this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::updateCalendarObject', new GenericEvent(
 					'\OCA\DAV\CalDAV\CalDavBackend::updateCalendarObject',
 					[
@@ -1236,7 +1236,7 @@ 
 			} else {
 				$subscriptionRow = $this->getSubscriptionById($calendarId);
 
-				$this->dispatcher->dispatchTyped(new CachedCalendarObjectUpdatedEvent((int)$calendarId, $subscriptionRow, [], $objectRow));
+				$this->dispatcher->dispatchTyped(new CachedCalendarObjectUpdatedEvent((int) $calendarId, $subscriptionRow, [], $objectRow));
 				$this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::updateCachedCalendarObject', new GenericEvent(
 					'\OCA\DAV\CalDAV\CalDavBackend::updateCachedCalendarObject',
 					[
@@ -1249,7 +1249,7 @@ 
 			}
 		}
 
-		return '"' . $extraData['etag'] . '"';
+		return '"'.$extraData['etag'].'"';
 	}
 
 	/**
@@ -1286,7 +1286,7 @@ 
 				$calendarRow = $this->getCalendarById($calendarId);
 				$shares = $this->getShares($calendarId);
 
-				$this->dispatcher->dispatchTyped(new CalendarObjectDeletedEvent((int)$calendarId, $calendarRow, $shares, $data));
+				$this->dispatcher->dispatchTyped(new CalendarObjectDeletedEvent((int) $calendarId, $calendarRow, $shares, $data));
 				$this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::deleteCalendarObject', new GenericEvent(
 					'\OCA\DAV\CalDAV\CalDavBackend::deleteCalendarObject',
 					[
@@ -1299,7 +1299,7 @@ 
 			} else {
 				$subscriptionRow = $this->getSubscriptionById($calendarId);
 
-				$this->dispatcher->dispatchTyped(new CachedCalendarObjectDeletedEvent((int)$calendarId, $subscriptionRow, [], $data));
+				$this->dispatcher->dispatchTyped(new CachedCalendarObjectDeletedEvent((int) $calendarId, $subscriptionRow, [], $data));
 				$this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::deleteCachedCalendarObject', new GenericEvent(
 					'\OCA\DAV\CalDAV\CalDavBackend::deleteCachedCalendarObject',
 					[
@@ -1571,7 +1571,7 @@ 
 
 		$result = [];
 		while ($row = $stmt->fetch(\PDO::FETCH_ASSOC)) {
-			$path = $uriMapper[$row['calendarid']] . '/' . $row['uri'];
+			$path = $uriMapper[$row['calendarid']].'/'.$row['uri'];
 			if (!in_array($path, $result)) {
 				$result[] = $path;
 			}
@@ -1619,8 +1619,8 @@ 
 
 		if ($pattern !== '') {
 			$innerQuery->andWhere($innerQuery->expr()->iLike('op.value',
-				$outerQuery->createNamedParameter('%' .
-					$this->db->escapeLikeParameter($pattern) . '%')));
+				$outerQuery->createNamedParameter('%'.
+					$this->db->escapeLikeParameter($pattern).'%')));
 		}
 
 		$outerQuery->select('c.id', 'c.calendardata', 'c.componenttype', 'c.uid', 'c.uri')
@@ -1659,7 +1659,7 @@ 
 		$result = $outerQuery->execute();
 		$calendarObjects = $result->fetchAll();
 
-		return array_map(function ($o) {
+		return array_map(function($o) {
 			$calendarData = Reader::read($o['calendardata']);
 			$comps = $calendarData->getComponents();
 			$objects = [];
@@ -1677,10 +1677,10 @@ 
 				'type' => $o['componenttype'],
 				'uid' => $o['uid'],
 				'uri' => $o['uri'],
-				'objects' => array_map(function ($c) {
+				'objects' => array_map(function($c) {
 					return $this->transformSearchData($c);
 				}, $objects),
-				'timezones' => array_map(function ($c) {
+				'timezones' => array_map(function($c) {
 					return $this->transformSearchData($c);
 				}, $timezones),
 			];
@@ -1696,7 +1696,7 @@ 
 		/** @var Component[] $subComponents */
 		$subComponents = $comp->getComponents();
 		/** @var Property[] $properties */
-		$properties = array_filter($comp->children(), function ($c) {
+		$properties = array_filter($comp->children(), function($c) {
 			return $c instanceof Property;
 		});
 		$validationRules = $comp->getValidationRules();
@@ -1774,7 +1774,7 @@ 
 		$subscriptions = $this->getSubscriptionsForUser($principalUri);
 		foreach ($calendars as $calendar) {
 			$calendarAnd = $calendarObjectIdQuery->expr()->andX();
-			$calendarAnd->add($calendarObjectIdQuery->expr()->eq('cob.calendarid', $calendarObjectIdQuery->createNamedParameter((int)$calendar['id'])));
+			$calendarAnd->add($calendarObjectIdQuery->expr()->eq('cob.calendarid', $calendarObjectIdQuery->createNamedParameter((int) $calendar['id'])));
 			$calendarAnd->add($calendarObjectIdQuery->expr()->eq('cob.calendartype', $calendarObjectIdQuery->createNamedParameter(self::CALENDAR_TYPE_CALENDAR)));
 
 			// If it's shared, limit search to public events
@@ -1786,7 +1786,7 @@ 
 		}
 		foreach ($subscriptions as $subscription) {
 			$subscriptionAnd = $calendarObjectIdQuery->expr()->andX();
-			$subscriptionAnd->add($calendarObjectIdQuery->expr()->eq('cob.calendarid', $calendarObjectIdQuery->createNamedParameter((int)$subscription['id'])));
+			$subscriptionAnd->add($calendarObjectIdQuery->expr()->eq('cob.calendarid', $calendarObjectIdQuery->createNamedParameter((int) $subscription['id'])));
 			$subscriptionAnd->add($calendarObjectIdQuery->expr()->eq('cob.calendartype', $calendarObjectIdQuery->createNamedParameter(self::CALENDAR_TYPE_SUBSCRIPTION)));
 
 			// If it's shared, limit search to public events
@@ -1830,7 +1830,7 @@ 
 			if (!$escapePattern) {
 				$calendarObjectIdQuery->andWhere($calendarObjectIdQuery->expr()->ilike('cob.value', $calendarObjectIdQuery->createNamedParameter($pattern)));
 			} else {
-				$calendarObjectIdQuery->andWhere($calendarObjectIdQuery->expr()->ilike('cob.value', $calendarObjectIdQuery->createNamedParameter('%' . $this->db->escapeLikeParameter($pattern) . '%')));
+				$calendarObjectIdQuery->andWhere($calendarObjectIdQuery->expr()->ilike('cob.value', $calendarObjectIdQuery->createNamedParameter('%'.$this->db->escapeLikeParameter($pattern).'%')));
 			}
 		}
 
@@ -1844,7 +1844,7 @@ 
 		$result = $calendarObjectIdQuery->execute();
 		$matches = $result->fetchAll();
 		$result->closeCursor();
-		$matches = array_map(static function (array $match):int {
+		$matches = array_map(static function(array $match):int {
 			return (int) $match['objectid'];
 		}, $matches);
 
@@ -1857,9 +1857,9 @@ 
 		$calendarObjects = $result->fetchAll();
 		$result->closeCursor();
 
-		return array_map(function (array $array): array {
-			$array['calendarid'] = (int)$array['calendarid'];
-			$array['calendartype'] = (int)$array['calendartype'];
+		return array_map(function(array $array): array {
+			$array['calendarid'] = (int) $array['calendarid'];
+			$array['calendartype'] = (int) $array['calendartype'];
 			$array['calendardata'] = $this->readBlob($array['calendardata']);
 
 			return $array;
@@ -1896,7 +1896,7 @@ 
 		$stmt = $query->execute();
 
 		if ($row = $stmt->fetch(\PDO::FETCH_ASSOC)) {
-			return $row['calendaruri'] . '/' . $row['objecturi'];
+			return $row['calendaruri'].'/'.$row['objecturi'];
 		}
 
 		return null;
@@ -1962,7 +1962,7 @@ 
 	public function getChangesForCalendar($calendarId, $syncToken, $syncLevel, $limit = null, $calendarType = self::CALENDAR_TYPE_CALENDAR) {
 		// Current synctoken
 		$stmt = $this->db->prepare('SELECT `synctoken` FROM `*PREFIX*calendars` WHERE `id` = ?');
-		$stmt->execute([ $calendarId ]);
+		$stmt->execute([$calendarId]);
 		$currentToken = $stmt->fetchColumn(0);
 
 		if (is_null($currentToken)) {
@@ -1979,7 +1979,7 @@ 
 		if ($syncToken) {
 			$query = "SELECT `uri`, `operation` FROM `*PREFIX*calendarchanges` WHERE `synctoken` >= ? AND `synctoken` < ? AND `calendarid` = ? AND `calendartype` = ? ORDER BY `synctoken`";
 			if ($limit > 0) {
-				$query .= " LIMIT " . (int)$limit;
+				$query .= " LIMIT ".(int) $limit;
 			}
 
 			// Fetching all changes
@@ -2075,8 +2075,8 @@ 
 				'source' => $row['source'],
 				'lastmodified' => $row['lastmodified'],
 
-				'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet(['VTODO', 'VEVENT']),
-				'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
+				'{'.Plugin::NS_CALDAV.'}supported-calendar-component-set' => new SupportedCalendarComponentSet(['VTODO', 'VEVENT']),
+				'{http://sabredav.org/ns}sync-token' => $row['synctoken'] ? $row['synctoken'] : '0',
 			];
 
 			foreach ($this->subscriptionPropertyMap as $xmlName => $dbName) {
@@ -2140,7 +2140,7 @@ 
 		$subscriptionId = $this->db->lastInsertId('*PREFIX*calendarsubscriptions');
 
 		$subscriptionRow = $this->getSubscriptionById($subscriptionId);
-		$this->dispatcher->dispatchTyped(new SubscriptionCreatedEvent((int)$subscriptionId, $subscriptionRow));
+		$this->dispatcher->dispatchTyped(new SubscriptionCreatedEvent((int) $subscriptionId, $subscriptionRow));
 		$this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::createSubscription', new GenericEvent(
 			'\OCA\DAV\CalDAV\CalDavBackend::createSubscription',
 			[
@@ -2171,7 +2171,7 @@ 
 		$supportedProperties = array_keys($this->subscriptionPropertyMap);
 		$supportedProperties[] = '{http://calendarserver.org/ns/}source';
 
-		$propPatch->handle($supportedProperties, function ($mutations) use ($subscriptionId) {
+		$propPatch->handle($supportedProperties, function($mutations) use ($subscriptionId) {
 			$newValues = [];
 
 			foreach ($mutations as $propertyName => $propertyValue) {
@@ -2193,7 +2193,7 @@ 
 				->execute();
 
 			$subscriptionRow = $this->getSubscriptionById($subscriptionId);
-			$this->dispatcher->dispatchTyped(new SubscriptionUpdatedEvent((int)$subscriptionId, $subscriptionRow, [], $mutations));
+			$this->dispatcher->dispatchTyped(new SubscriptionUpdatedEvent((int) $subscriptionId, $subscriptionRow, [], $mutations));
 			$this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::updateSubscription', new GenericEvent(
 				'\OCA\DAV\CalDAV\CalDavBackend::updateSubscription',
 				[
@@ -2244,7 +2244,7 @@ 
 			->execute();
 
 		if ($subscriptionRow) {
-			$this->dispatcher->dispatchTyped(new SubscriptionDeletedEvent((int)$subscriptionId, $subscriptionRow, []));
+			$this->dispatcher->dispatchTyped(new SubscriptionDeletedEvent((int) $subscriptionId, $subscriptionRow, []));
 		}
 	}
 
@@ -2282,8 +2282,8 @@ 
 			'uri' => $row['uri'],
 			'calendardata' => $row['calendardata'],
 			'lastmodified' => $row['lastmodified'],
-			'etag' => '"' . $row['etag'] . '"',
-			'size' => (int)$row['size'],
+			'etag' => '"'.$row['etag'].'"',
+			'size' => (int) $row['size'],
 		];
 	}
 
@@ -2311,8 +2311,8 @@ 
 				'calendardata' => $row['calendardata'],
 				'uri' => $row['uri'],
 				'lastmodified' => $row['lastmodified'],
-				'etag' => '"' . $row['etag'] . '"',
-				'size' => (int)$row['size'],
+				'etag' => '"'.$row['etag'].'"',
+				'size' => (int) $row['size'],
 			];
 		}
 
@@ -2366,14 +2366,14 @@ 
 	 * @return void
 	 */
 	protected function addChange($calendarId, $objectUri, $operation, $calendarType = self::CALENDAR_TYPE_CALENDAR) {
-		$table = $calendarType === self::CALENDAR_TYPE_CALENDAR ? 'calendars': 'calendarsubscriptions';
+		$table = $calendarType === self::CALENDAR_TYPE_CALENDAR ? 'calendars' : 'calendarsubscriptions';
 
 		$query = $this->db->getQueryBuilder();
 		$query->select('synctoken')
 			->from($table)
 			->where($query->expr()->eq('id', $query->createNamedParameter($calendarId)));
 		$result = $query->execute();
-		$syncToken = (int)$result->fetchColumn();
+		$syncToken = (int) $result->fetchColumn();
 		$result->closeCursor();
 
 		$query = $this->db->getQueryBuilder();
@@ -2430,7 +2430,7 @@ 
 				// Track first component type and uid
 				if ($uid === null) {
 					$componentType = $component->name;
-					$uid = (string)$component->UID;
+					$uid = (string) $component->UID;
 				}
 			}
 		}
@@ -2529,7 +2529,7 @@ 
 			]));
 		$this->calendarSharingBackend->updateShares($shareable, $add, $remove);
 
-		$this->dispatcher->dispatchTyped(new CalendarShareUpdatedEvent((int)$calendarId, $calendarRow, $oldShares, $add, $remove));
+		$this->dispatcher->dispatchTyped(new CalendarShareUpdatedEvent((int) $calendarId, $calendarRow, $oldShares, $add, $remove));
 	}
 
 	/**
@@ -2570,7 +2570,7 @@ 
 				]);
 			$query->execute();
 
-			$this->dispatcher->dispatchTyped(new CalendarPublishedEvent((int)$calendarId, $calendarData, $publicUri));
+			$this->dispatcher->dispatchTyped(new CalendarPublishedEvent((int) $calendarId, $calendarData, $publicUri));
 			return $publicUri;
 		}
 		$query->delete('dav_shares')
@@ -2578,7 +2578,7 @@ 
 			->andWhere($query->expr()->eq('access', $query->createNamedParameter(self::ACCESS_PUBLIC)));
 		$query->execute();
 
-		$this->dispatcher->dispatchTyped(new CalendarUnpublishedEvent((int)$calendarId, $calendarData));
+		$this->dispatcher->dispatchTyped(new CalendarUnpublishedEvent((int) $calendarId, $calendarData));
 		return null;
 	}
 
@@ -2799,10 +2799,10 @@ 
 		$result->closeCursor();
 
 		if (!isset($objectIds['id'])) {
-			throw new \InvalidArgumentException('Calendarobject does not exists: ' . $uri);
+			throw new \InvalidArgumentException('Calendarobject does not exists: '.$uri);
 		}
 
-		return (int)$objectIds['id'];
+		return (int) $objectIds['id'];
 	}
 
 	/**
@@ -2829,8 +2829,8 @@ 
 	 * @param $calendarInfo
 	 */
 	private function addOwnerPrincipal(&$calendarInfo) {
-		$ownerPrincipalKey = '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal';
-		$displaynameKey = '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_NEXTCLOUD . '}owner-displayname';
+		$ownerPrincipalKey = '{'.\OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD.'}owner-principal';
+		$displaynameKey = '{'.\OCA\DAV\DAV\Sharing\Plugin::NS_NEXTCLOUD.'}owner-displayname';
 		if (isset($calendarInfo[$ownerPrincipalKey])) {
 			$uri = $calendarInfo[$ownerPrincipalKey];
 		} else {

apps/dav/lib/Migration/Version1016Date20201109085907.php

Indentation +26 added lines, -26 removed lines

@@ -32,30 +32,30 @@
 use OCP\Migration\SimpleMigrationStep;
 
 class Version1016Date20201109085907 extends SimpleMigrationStep {
-	/**
-	 * @param IOutput $output
-	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
-	 * @param array $options
-	 * @return null|ISchemaWrapper
-	 */
-	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
-		/** @var ISchemaWrapper $schema */
-		$schema = $schemaClosure();
-
-		$result = $this->ensureColumnIsNullable($schema, 'calendar_reminders', 'is_recurring');
-
-		return $result ? $schema : null;
-	}
-
-	protected function ensureColumnIsNullable(ISchemaWrapper $schema, string $tableName, string $columnName): bool {
-		$table = $schema->getTable($tableName);
-		$column = $table->getColumn($columnName);
-
-		if ($column->getNotnull()) {
-			$column->setNotnull(false);
-			return true;
-		}
-
-		return false;
-	}
+    /**
+     * @param IOutput $output
+     * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+     * @param array $options
+     * @return null|ISchemaWrapper
+     */
+    public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+        /** @var ISchemaWrapper $schema */
+        $schema = $schemaClosure();
+
+        $result = $this->ensureColumnIsNullable($schema, 'calendar_reminders', 'is_recurring');
+
+        return $result ? $schema : null;
+    }
+
+    protected function ensureColumnIsNullable(ISchemaWrapper $schema, string $tableName, string $columnName): bool {
+        $table = $schema->getTable($tableName);
+        $column = $table->getColumn($columnName);
+
+        if ($column->getNotnull()) {
+            $column->setNotnull(false);
+            return true;
+        }
+
+        return false;
+    }
 }

apps/dav/lib/Migration/Version1012Date20190808122342.php

Indentation +77 added lines, -77 removed lines

@@ -38,86 +38,86 @@
  */
 class Version1012Date20190808122342 extends SimpleMigrationStep {
 
-	/**
-	 * @param IOutput $output
-	 * @param \Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
-	 * @param array $options
-	 * @return null|ISchemaWrapper
-	 * @since 17.0.0
-	 */
-	public function changeSchema(IOutput $output,
-								 \Closure $schemaClosure,
-								 array $options):?ISchemaWrapper {
-		/** @var ISchemaWrapper $schema */
-		$schema = $schemaClosure();
+    /**
+     * @param IOutput $output
+     * @param \Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+     * @param array $options
+     * @return null|ISchemaWrapper
+     * @since 17.0.0
+     */
+    public function changeSchema(IOutput $output,
+                                    \Closure $schemaClosure,
+                                    array $options):?ISchemaWrapper {
+        /** @var ISchemaWrapper $schema */
+        $schema = $schemaClosure();
 
-		if (!$schema->hasTable('calendar_reminders')) {
-			$table = $schema->createTable('calendar_reminders');
+        if (!$schema->hasTable('calendar_reminders')) {
+            $table = $schema->createTable('calendar_reminders');
 
-			$table->addColumn('id', Types::BIGINT, [
-				'autoincrement' => true,
-				'notnull' => true,
-				'length' => 11,
-				'unsigned' => true,
-			]);
-			$table->addColumn('calendar_id', Types::BIGINT, [
-				'notnull' => true,
-				'length' => 11,
-			]);
-			$table->addColumn('object_id', Types::BIGINT, [
-				'notnull' => true,
-				'length' => 11,
-			]);
-			$table->addColumn('is_recurring', Types::SMALLINT, [
-				'notnull' => false,
-				'length' => 1,
-			]);
-			$table->addColumn('uid', Types::STRING, [
-				'notnull' => true,
-				'length' => 255,
-			]);
-			$table->addColumn('recurrence_id', Types::BIGINT, [
-				'notnull' => false,
-				'length' => 11,
-				'unsigned' => true,
-			]);
-			$table->addColumn('is_recurrence_exception', Types::SMALLINT, [
-				'notnull' => true,
-				'length' => 1,
-			]);
-			$table->addColumn('event_hash', Types::STRING, [
-				'notnull' => true,
-				'length' => 255,
-			]);
-			$table->addColumn('alarm_hash', Types::STRING, [
-				'notnull' => true,
-				'length' => 255,
-			]);
-			$table->addColumn('type', Types::STRING, [
-				'notnull' => true,
-				'length' => 255,
-			]);
-			$table->addColumn('is_relative', Types::SMALLINT, [
-				'notnull' => true,
-				'length' => 1,
-			]);
-			$table->addColumn('notification_date', Types::BIGINT, [
-				'notnull' => true,
-				'length' => 11,
-				'unsigned' => true,
-			]);
-			$table->addColumn('is_repeat_based', Types::SMALLINT, [
-				'notnull' => true,
-				'length' => 1,
-			]);
+            $table->addColumn('id', Types::BIGINT, [
+                'autoincrement' => true,
+                'notnull' => true,
+                'length' => 11,
+                'unsigned' => true,
+            ]);
+            $table->addColumn('calendar_id', Types::BIGINT, [
+                'notnull' => true,
+                'length' => 11,
+            ]);
+            $table->addColumn('object_id', Types::BIGINT, [
+                'notnull' => true,
+                'length' => 11,
+            ]);
+            $table->addColumn('is_recurring', Types::SMALLINT, [
+                'notnull' => false,
+                'length' => 1,
+            ]);
+            $table->addColumn('uid', Types::STRING, [
+                'notnull' => true,
+                'length' => 255,
+            ]);
+            $table->addColumn('recurrence_id', Types::BIGINT, [
+                'notnull' => false,
+                'length' => 11,
+                'unsigned' => true,
+            ]);
+            $table->addColumn('is_recurrence_exception', Types::SMALLINT, [
+                'notnull' => true,
+                'length' => 1,
+            ]);
+            $table->addColumn('event_hash', Types::STRING, [
+                'notnull' => true,
+                'length' => 255,
+            ]);
+            $table->addColumn('alarm_hash', Types::STRING, [
+                'notnull' => true,
+                'length' => 255,
+            ]);
+            $table->addColumn('type', Types::STRING, [
+                'notnull' => true,
+                'length' => 255,
+            ]);
+            $table->addColumn('is_relative', Types::SMALLINT, [
+                'notnull' => true,
+                'length' => 1,
+            ]);
+            $table->addColumn('notification_date', Types::BIGINT, [
+                'notnull' => true,
+                'length' => 11,
+                'unsigned' => true,
+            ]);
+            $table->addColumn('is_repeat_based', Types::SMALLINT, [
+                'notnull' => true,
+                'length' => 1,
+            ]);
 
-			$table->setPrimaryKey(['id']);
-			$table->addIndex(['object_id'], 'calendar_reminder_objid');
-			$table->addIndex(['uid', 'recurrence_id'], 'calendar_reminder_uidrec');
+            $table->setPrimaryKey(['id']);
+            $table->addIndex(['object_id'], 'calendar_reminder_objid');
+            $table->addIndex(['uid', 'recurrence_id'], 'calendar_reminder_uidrec');
 
-			return $schema;
-		}
+            return $schema;
+        }
 
-		return null;
-	}
+        return null;
+    }
 }

apps/settings/lib/Controller/CheckSetupController.php

Indentation +665 added lines, -665 removed lines

@@ -76,292 +76,292 @@ 
 use Symfony\Component\EventDispatcher\GenericEvent;
 
 class CheckSetupController extends Controller {
-	/** @var IConfig */
-	private $config;
-	/** @var IClientService */
-	private $clientService;
-	/** @var IURLGenerator */
-	private $urlGenerator;
-	/** @var IL10N */
-	private $l10n;
-	/** @var Checker */
-	private $checker;
-	/** @var ILogger */
-	private $logger;
-	/** @var EventDispatcherInterface */
-	private $dispatcher;
-	/** @var IDBConnection|Connection */
-	private $db;
-	/** @var ILockingProvider */
-	private $lockingProvider;
-	/** @var IDateTimeFormatter */
-	private $dateTimeFormatter;
-	/** @var MemoryInfo */
-	private $memoryInfo;
-	/** @var ISecureRandom */
-	private $secureRandom;
-	/** @var IniGetWrapper */
-	private $iniGetWrapper;
-
-	public function __construct($AppName,
-								IRequest $request,
-								IConfig $config,
-								IClientService $clientService,
-								IURLGenerator $urlGenerator,
-								IL10N $l10n,
-								Checker $checker,
-								ILogger $logger,
-								EventDispatcherInterface $dispatcher,
-								IDBConnection $db,
-								ILockingProvider $lockingProvider,
-								IDateTimeFormatter $dateTimeFormatter,
-								MemoryInfo $memoryInfo,
-								ISecureRandom $secureRandom,
-								IniGetWrapper $iniGetWrapper) {
-		parent::__construct($AppName, $request);
-		$this->config = $config;
-		$this->clientService = $clientService;
-		$this->urlGenerator = $urlGenerator;
-		$this->l10n = $l10n;
-		$this->checker = $checker;
-		$this->logger = $logger;
-		$this->dispatcher = $dispatcher;
-		$this->db = $db;
-		$this->lockingProvider = $lockingProvider;
-		$this->dateTimeFormatter = $dateTimeFormatter;
-		$this->memoryInfo = $memoryInfo;
-		$this->secureRandom = $secureRandom;
-		$this->iniGetWrapper = $iniGetWrapper;
-	}
-
-	/**
-	 * Checks if the server can connect to the internet using HTTPS and HTTP
-	 * @return bool
-	 */
-	private function hasInternetConnectivityProblems(): bool {
-		if ($this->config->getSystemValue('has_internet_connection', true) === false) {
-			return false;
-		}
-
-		$siteArray = $this->config->getSystemValue('connectivity_check_domains', [
-			'www.nextcloud.com', 'www.startpage.com', 'www.eff.org', 'www.edri.org'
-		]);
-
-		foreach ($siteArray as $site) {
-			if ($this->isSiteReachable($site)) {
-				return false;
-			}
-		}
-		return true;
-	}
-
-	/**
-	 * Checks if the Nextcloud server can connect to a specific URL using both HTTPS and HTTP
-	 * @return bool
-	 */
-	private function isSiteReachable($sitename) {
-		$httpSiteName = 'http://' . $sitename . '/';
-		$httpsSiteName = 'https://' . $sitename . '/';
-
-		try {
-			$client = $this->clientService->newClient();
-			$client->get($httpSiteName);
-			$client->get($httpsSiteName);
-		} catch (\Exception $e) {
-			$this->logger->logException($e, ['app' => 'internet_connection_check']);
-			return false;
-		}
-		return true;
-	}
-
-	/**
-	 * Checks whether a local memcache is installed or not
-	 * @return bool
-	 */
-	private function isMemcacheConfigured() {
-		return $this->config->getSystemValue('memcache.local', null) !== null;
-	}
-
-	/**
-	 * Whether PHP can generate "secure" pseudorandom integers
-	 *
-	 * @return bool
-	 */
-	private function isRandomnessSecure() {
-		try {
-			$this->secureRandom->generate(1);
-		} catch (\Exception $ex) {
-			return false;
-		}
-		return true;
-	}
-
-	/**
-	 * Public for the sake of unit-testing
-	 *
-	 * @return array
-	 */
-	protected function getCurlVersion() {
-		return curl_version();
-	}
-
-	/**
-	 * Check if the used  SSL lib is outdated. Older OpenSSL and NSS versions do
-	 * have multiple bugs which likely lead to problems in combination with
-	 * functionality required by ownCloud such as SNI.
-	 *
-	 * @link https://github.com/owncloud/core/issues/17446#issuecomment-122877546
-	 * @link https://bugzilla.redhat.com/show_bug.cgi?id=1241172
-	 * @return string
-	 */
-	private function isUsedTlsLibOutdated() {
-		// Don't run check when:
-		// 1. Server has `has_internet_connection` set to false
-		// 2. AppStore AND S2S is disabled
-		if (!$this->config->getSystemValue('has_internet_connection', true)) {
-			return '';
-		}
-		if (!$this->config->getSystemValue('appstoreenabled', true)
-			&& $this->config->getAppValue('files_sharing', 'outgoing_server2server_share_enabled', 'yes') === 'no'
-			&& $this->config->getAppValue('files_sharing', 'incoming_server2server_share_enabled', 'yes') === 'no') {
-			return '';
-		}
-
-		$versionString = $this->getCurlVersion();
-		if (isset($versionString['ssl_version'])) {
-			$versionString = $versionString['ssl_version'];
-		} else {
-			return '';
-		}
-
-		$features = (string)$this->l10n->t('installing and updating apps via the app store or Federated Cloud Sharing');
-		if (!$this->config->getSystemValue('appstoreenabled', true)) {
-			$features = (string)$this->l10n->t('Federated Cloud Sharing');
-		}
-
-		// Check if at least OpenSSL after 1.01d or 1.0.2b
-		if (strpos($versionString, 'OpenSSL/') === 0) {
-			$majorVersion = substr($versionString, 8, 5);
-			$patchRelease = substr($versionString, 13, 6);
-
-			if (($majorVersion === '1.0.1' && ord($patchRelease) < ord('d')) ||
-				($majorVersion === '1.0.2' && ord($patchRelease) < ord('b'))) {
-				return $this->l10n->t('cURL is using an outdated %1$s version (%2$s). Please update your operating system or features such as %3$s will not work reliably.', ['OpenSSL', $versionString, $features]);
-			}
-		}
-
-		// Check if NSS and perform heuristic check
-		if (strpos($versionString, 'NSS/') === 0) {
-			try {
-				$firstClient = $this->clientService->newClient();
-				$firstClient->get('https://nextcloud.com/');
-
-				$secondClient = $this->clientService->newClient();
-				$secondClient->get('https://nextcloud.com/');
-			} catch (ClientException $e) {
-				if ($e->getResponse()->getStatusCode() === 400) {
-					return $this->l10n->t('cURL is using an outdated %1$s version (%2$s). Please update your operating system or features such as %3$s will not work reliably.', ['NSS', $versionString, $features]);
-				}
-			}
-		}
-
-		return '';
-	}
-
-	/**
-	 * Whether the version is outdated
-	 *
-	 * @return bool
-	 */
-	protected function isPhpOutdated(): bool {
-		return PHP_VERSION_ID < 70300;
-	}
-
-	/**
-	 * Whether the php version is still supported (at time of release)
-	 * according to: https://secure.php.net/supported-versions.php
-	 *
-	 * @return array
-	 */
-	private function isPhpSupported(): array {
-		return ['eol' => $this->isPhpOutdated(), 'version' => PHP_VERSION];
-	}
-
-	/**
-	 * Check if the reverse proxy configuration is working as expected
-	 *
-	 * @return bool
-	 */
-	private function forwardedForHeadersWorking() {
-		$trustedProxies = $this->config->getSystemValue('trusted_proxies', []);
-		$remoteAddress = $this->request->getHeader('REMOTE_ADDR');
-
-		if (empty($trustedProxies) && $this->request->getHeader('X-Forwarded-Host') !== '') {
-			return false;
-		}
-
-		if (\is_array($trustedProxies) && \in_array($remoteAddress, $trustedProxies, true)) {
-			return $remoteAddress !== $this->request->getRemoteAddress();
-		}
-
-		// either not enabled or working correctly
-		return true;
-	}
-
-	/**
-	 * Checks if the correct memcache module for PHP is installed. Only
-	 * fails if memcached is configured and the working module is not installed.
-	 *
-	 * @return bool
-	 */
-	private function isCorrectMemcachedPHPModuleInstalled() {
-		if ($this->config->getSystemValue('memcache.distributed', null) !== '\OC\Memcache\Memcached') {
-			return true;
-		}
-
-		// there are two different memcached modules for PHP
-		// we only support memcached and not memcache
-		// https://code.google.com/p/memcached/wiki/PHPClientComparison
-		return !(!extension_loaded('memcached') && extension_loaded('memcache'));
-	}
-
-	/**
-	 * Checks if set_time_limit is not disabled.
-	 *
-	 * @return bool
-	 */
-	private function isSettimelimitAvailable() {
-		if (function_exists('set_time_limit')
-			&& strpos(@ini_get('disable_functions'), 'set_time_limit') === false) {
-			return true;
-		}
-
-		return false;
-	}
-
-	/**
-	 * @return RedirectResponse
-	 */
-	public function rescanFailedIntegrityCheck() {
-		$this->checker->runInstanceVerification();
-		return new RedirectResponse(
-			$this->urlGenerator->linkToRoute('settings.AdminSettings.index', ['section' => 'overview'])
-		);
-	}
-
-	/**
-	 * @NoCSRFRequired
-	 * @return DataResponse
-	 */
-	public function getFailedIntegrityCheckFiles() {
-		if (!$this->checker->isCodeCheckEnforced()) {
-			return new DataDisplayResponse('Integrity checker has been disabled. Integrity cannot be verified.');
-		}
-
-		$completeResults = $this->checker->getResults();
-
-		if (!empty($completeResults)) {
-			$formattedTextResponse = 'Technical information
+    /** @var IConfig */
+    private $config;
+    /** @var IClientService */
+    private $clientService;
+    /** @var IURLGenerator */
+    private $urlGenerator;
+    /** @var IL10N */
+    private $l10n;
+    /** @var Checker */
+    private $checker;
+    /** @var ILogger */
+    private $logger;
+    /** @var EventDispatcherInterface */
+    private $dispatcher;
+    /** @var IDBConnection|Connection */
+    private $db;
+    /** @var ILockingProvider */
+    private $lockingProvider;
+    /** @var IDateTimeFormatter */
+    private $dateTimeFormatter;
+    /** @var MemoryInfo */
+    private $memoryInfo;
+    /** @var ISecureRandom */
+    private $secureRandom;
+    /** @var IniGetWrapper */
+    private $iniGetWrapper;
+
+    public function __construct($AppName,
+                                IRequest $request,
+                                IConfig $config,
+                                IClientService $clientService,
+                                IURLGenerator $urlGenerator,
+                                IL10N $l10n,
+                                Checker $checker,
+                                ILogger $logger,
+                                EventDispatcherInterface $dispatcher,
+                                IDBConnection $db,
+                                ILockingProvider $lockingProvider,
+                                IDateTimeFormatter $dateTimeFormatter,
+                                MemoryInfo $memoryInfo,
+                                ISecureRandom $secureRandom,
+                                IniGetWrapper $iniGetWrapper) {
+        parent::__construct($AppName, $request);
+        $this->config = $config;
+        $this->clientService = $clientService;
+        $this->urlGenerator = $urlGenerator;
+        $this->l10n = $l10n;
+        $this->checker = $checker;
+        $this->logger = $logger;
+        $this->dispatcher = $dispatcher;
+        $this->db = $db;
+        $this->lockingProvider = $lockingProvider;
+        $this->dateTimeFormatter = $dateTimeFormatter;
+        $this->memoryInfo = $memoryInfo;
+        $this->secureRandom = $secureRandom;
+        $this->iniGetWrapper = $iniGetWrapper;
+    }
+
+    /**
+     * Checks if the server can connect to the internet using HTTPS and HTTP
+     * @return bool
+     */
+    private function hasInternetConnectivityProblems(): bool {
+        if ($this->config->getSystemValue('has_internet_connection', true) === false) {
+            return false;
+        }
+
+        $siteArray = $this->config->getSystemValue('connectivity_check_domains', [
+            'www.nextcloud.com', 'www.startpage.com', 'www.eff.org', 'www.edri.org'
+        ]);
+
+        foreach ($siteArray as $site) {
+            if ($this->isSiteReachable($site)) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    /**
+     * Checks if the Nextcloud server can connect to a specific URL using both HTTPS and HTTP
+     * @return bool
+     */
+    private function isSiteReachable($sitename) {
+        $httpSiteName = 'http://' . $sitename . '/';
+        $httpsSiteName = 'https://' . $sitename . '/';
+
+        try {
+            $client = $this->clientService->newClient();
+            $client->get($httpSiteName);
+            $client->get($httpsSiteName);
+        } catch (\Exception $e) {
+            $this->logger->logException($e, ['app' => 'internet_connection_check']);
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Checks whether a local memcache is installed or not
+     * @return bool
+     */
+    private function isMemcacheConfigured() {
+        return $this->config->getSystemValue('memcache.local', null) !== null;
+    }
+
+    /**
+     * Whether PHP can generate "secure" pseudorandom integers
+     *
+     * @return bool
+     */
+    private function isRandomnessSecure() {
+        try {
+            $this->secureRandom->generate(1);
+        } catch (\Exception $ex) {
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Public for the sake of unit-testing
+     *
+     * @return array
+     */
+    protected function getCurlVersion() {
+        return curl_version();
+    }
+
+    /**
+     * Check if the used  SSL lib is outdated. Older OpenSSL and NSS versions do
+     * have multiple bugs which likely lead to problems in combination with
+     * functionality required by ownCloud such as SNI.
+     *
+     * @link https://github.com/owncloud/core/issues/17446#issuecomment-122877546
+     * @link https://bugzilla.redhat.com/show_bug.cgi?id=1241172
+     * @return string
+     */
+    private function isUsedTlsLibOutdated() {
+        // Don't run check when:
+        // 1. Server has `has_internet_connection` set to false
+        // 2. AppStore AND S2S is disabled
+        if (!$this->config->getSystemValue('has_internet_connection', true)) {
+            return '';
+        }
+        if (!$this->config->getSystemValue('appstoreenabled', true)
+            && $this->config->getAppValue('files_sharing', 'outgoing_server2server_share_enabled', 'yes') === 'no'
+            && $this->config->getAppValue('files_sharing', 'incoming_server2server_share_enabled', 'yes') === 'no') {
+            return '';
+        }
+
+        $versionString = $this->getCurlVersion();
+        if (isset($versionString['ssl_version'])) {
+            $versionString = $versionString['ssl_version'];
+        } else {
+            return '';
+        }
+
+        $features = (string)$this->l10n->t('installing and updating apps via the app store or Federated Cloud Sharing');
+        if (!$this->config->getSystemValue('appstoreenabled', true)) {
+            $features = (string)$this->l10n->t('Federated Cloud Sharing');
+        }
+
+        // Check if at least OpenSSL after 1.01d or 1.0.2b
+        if (strpos($versionString, 'OpenSSL/') === 0) {
+            $majorVersion = substr($versionString, 8, 5);
+            $patchRelease = substr($versionString, 13, 6);
+
+            if (($majorVersion === '1.0.1' && ord($patchRelease) < ord('d')) ||
+                ($majorVersion === '1.0.2' && ord($patchRelease) < ord('b'))) {
+                return $this->l10n->t('cURL is using an outdated %1$s version (%2$s). Please update your operating system or features such as %3$s will not work reliably.', ['OpenSSL', $versionString, $features]);
+            }
+        }
+
+        // Check if NSS and perform heuristic check
+        if (strpos($versionString, 'NSS/') === 0) {
+            try {
+                $firstClient = $this->clientService->newClient();
+                $firstClient->get('https://nextcloud.com/');
+
+                $secondClient = $this->clientService->newClient();
+                $secondClient->get('https://nextcloud.com/');
+            } catch (ClientException $e) {
+                if ($e->getResponse()->getStatusCode() === 400) {
+                    return $this->l10n->t('cURL is using an outdated %1$s version (%2$s). Please update your operating system or features such as %3$s will not work reliably.', ['NSS', $versionString, $features]);
+                }
+            }
+        }
+
+        return '';
+    }
+
+    /**
+     * Whether the version is outdated
+     *
+     * @return bool
+     */
+    protected function isPhpOutdated(): bool {
+        return PHP_VERSION_ID < 70300;
+    }
+
+    /**
+     * Whether the php version is still supported (at time of release)
+     * according to: https://secure.php.net/supported-versions.php
+     *
+     * @return array
+     */
+    private function isPhpSupported(): array {
+        return ['eol' => $this->isPhpOutdated(), 'version' => PHP_VERSION];
+    }
+
+    /**
+     * Check if the reverse proxy configuration is working as expected
+     *
+     * @return bool
+     */
+    private function forwardedForHeadersWorking() {
+        $trustedProxies = $this->config->getSystemValue('trusted_proxies', []);
+        $remoteAddress = $this->request->getHeader('REMOTE_ADDR');
+
+        if (empty($trustedProxies) && $this->request->getHeader('X-Forwarded-Host') !== '') {
+            return false;
+        }
+
+        if (\is_array($trustedProxies) && \in_array($remoteAddress, $trustedProxies, true)) {
+            return $remoteAddress !== $this->request->getRemoteAddress();
+        }
+
+        // either not enabled or working correctly
+        return true;
+    }
+
+    /**
+     * Checks if the correct memcache module for PHP is installed. Only
+     * fails if memcached is configured and the working module is not installed.
+     *
+     * @return bool
+     */
+    private function isCorrectMemcachedPHPModuleInstalled() {
+        if ($this->config->getSystemValue('memcache.distributed', null) !== '\OC\Memcache\Memcached') {
+            return true;
+        }
+
+        // there are two different memcached modules for PHP
+        // we only support memcached and not memcache
+        // https://code.google.com/p/memcached/wiki/PHPClientComparison
+        return !(!extension_loaded('memcached') && extension_loaded('memcache'));
+    }
+
+    /**
+     * Checks if set_time_limit is not disabled.
+     *
+     * @return bool
+     */
+    private function isSettimelimitAvailable() {
+        if (function_exists('set_time_limit')
+            && strpos(@ini_get('disable_functions'), 'set_time_limit') === false) {
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * @return RedirectResponse
+     */
+    public function rescanFailedIntegrityCheck() {
+        $this->checker->runInstanceVerification();
+        return new RedirectResponse(
+            $this->urlGenerator->linkToRoute('settings.AdminSettings.index', ['section' => 'overview'])
+        );
+    }
+
+    /**
+     * @NoCSRFRequired
+     * @return DataResponse
+     */
+    public function getFailedIntegrityCheckFiles() {
+        if (!$this->checker->isCodeCheckEnforced()) {
+            return new DataDisplayResponse('Integrity checker has been disabled. Integrity cannot be verified.');
+        }
+
+        $completeResults = $this->checker->getResults();
+
+        if (!empty($completeResults)) {
+            $formattedTextResponse = 'Technical information
 =====================
 The following list covers which files have failed the integrity check. Please read
 the previous linked documentation to learn more about the errors and how to fix
@@ -370,386 +370,386 @@ 
 Results
 =======
 ';
-			foreach ($completeResults as $context => $contextResult) {
-				$formattedTextResponse .= "- $context\n";
-
-				foreach ($contextResult as $category => $result) {
-					$formattedTextResponse .= "\t- $category\n";
-					if ($category !== 'EXCEPTION') {
-						foreach ($result as $key => $results) {
-							$formattedTextResponse .= "\t\t- $key\n";
-						}
-					} else {
-						foreach ($result as $key => $results) {
-							$formattedTextResponse .= "\t\t- $results\n";
-						}
-					}
-				}
-			}
-
-			$formattedTextResponse .= '
+            foreach ($completeResults as $context => $contextResult) {
+                $formattedTextResponse .= "- $context\n";
+
+                foreach ($contextResult as $category => $result) {
+                    $formattedTextResponse .= "\t- $category\n";
+                    if ($category !== 'EXCEPTION') {
+                        foreach ($result as $key => $results) {
+                            $formattedTextResponse .= "\t\t- $key\n";
+                        }
+                    } else {
+                        foreach ($result as $key => $results) {
+                            $formattedTextResponse .= "\t\t- $results\n";
+                        }
+                    }
+                }
+            }
+
+            $formattedTextResponse .= '
 Raw output
 ==========
 ';
-			$formattedTextResponse .= print_r($completeResults, true);
-		} else {
-			$formattedTextResponse = 'No errors have been found.';
-		}
-
-
-		$response = new DataDisplayResponse(
-			$formattedTextResponse,
-			Http::STATUS_OK,
-			[
-				'Content-Type' => 'text/plain',
-			]
-		);
-
-		return $response;
-	}
-
-	/**
-	 * Checks whether a PHP opcache is properly set up
-	 * @return bool
-	 */
-	protected function isOpcacheProperlySetup() {
-		if (!$this->iniGetWrapper->getBool('opcache.enable')) {
-			return false;
-		}
-
-		if (!$this->iniGetWrapper->getBool('opcache.save_comments')) {
-			return false;
-		}
-
-		if ($this->iniGetWrapper->getNumeric('opcache.max_accelerated_files') < 10000) {
-			return false;
-		}
-
-		if ($this->iniGetWrapper->getNumeric('opcache.memory_consumption') < 128) {
-			return false;
-		}
-
-		if ($this->iniGetWrapper->getNumeric('opcache.interned_strings_buffer') < 8) {
-			return false;
-		}
-
-		return true;
-	}
-
-	/**
-	 * Check if the required FreeType functions are present
-	 * @return bool
-	 */
-	protected function hasFreeTypeSupport() {
-		return function_exists('imagettfbbox') && function_exists('imagettftext');
-	}
-
-	protected function hasMissingIndexes(): array {
-		$indexInfo = new MissingIndexInformation();
-		// Dispatch event so apps can also hint for pending index updates if needed
-		$event = new GenericEvent($indexInfo);
-		$this->dispatcher->dispatch(IDBConnection::CHECK_MISSING_INDEXES_EVENT, $event);
-
-		return $indexInfo->getListOfMissingIndexes();
-	}
-
-	protected function hasMissingPrimaryKeys(): array {
-		$info = new MissingPrimaryKeyInformation();
-		// Dispatch event so apps can also hint for pending index updates if needed
-		$event = new GenericEvent($info);
-		$this->dispatcher->dispatch(IDBConnection::CHECK_MISSING_PRIMARY_KEYS_EVENT, $event);
-
-		return $info->getListOfMissingPrimaryKeys();
-	}
-
-	protected function hasMissingColumns(): array {
-		$indexInfo = new MissingColumnInformation();
-		// Dispatch event so apps can also hint for pending index updates if needed
-		$event = new GenericEvent($indexInfo);
-		$this->dispatcher->dispatch(IDBConnection::CHECK_MISSING_COLUMNS_EVENT, $event);
-
-		return $indexInfo->getListOfMissingColumns();
-	}
-
-	protected function isSqliteUsed() {
-		return strpos($this->config->getSystemValue('dbtype'), 'sqlite') !== false;
-	}
-
-	protected function isReadOnlyConfig(): bool {
-		return \OC_Helper::isReadOnlyConfigEnabled();
-	}
-
-	protected function hasValidTransactionIsolationLevel(): bool {
-		try {
-			if ($this->db->getDatabasePlatform() instanceof SqlitePlatform) {
-				return true;
-			}
-
-			return $this->db->getTransactionIsolation() === Connection::TRANSACTION_READ_COMMITTED;
-		} catch (DBALException $e) {
-			// ignore
-		}
-
-		return true;
-	}
-
-	protected function hasFileinfoInstalled(): bool {
-		return \OC_Util::fileInfoLoaded();
-	}
-
-	protected function hasWorkingFileLocking(): bool {
-		return !($this->lockingProvider instanceof NoopLockingProvider);
-	}
-
-	protected function getSuggestedOverwriteCliURL(): string {
-		$suggestedOverwriteCliUrl = '';
-		if ($this->config->getSystemValue('overwrite.cli.url', '') === '') {
-			$suggestedOverwriteCliUrl = $this->request->getServerProtocol() . '://' . $this->request->getInsecureServerHost() . \OC::$WEBROOT;
-			if (!$this->config->getSystemValue('config_is_read_only', false)) {
-				// Set the overwrite URL when it was not set yet.
-				$this->config->setSystemValue('overwrite.cli.url', $suggestedOverwriteCliUrl);
-				$suggestedOverwriteCliUrl = '';
-			}
-		}
-		return $suggestedOverwriteCliUrl;
-	}
-
-	protected function getLastCronInfo(): array {
-		$lastCronRun = $this->config->getAppValue('core', 'lastcron', 0);
-		return [
-			'diffInSeconds' => time() - $lastCronRun,
-			'relativeTime' => $this->dateTimeFormatter->formatTimeSpan($lastCronRun),
-			'backgroundJobsUrl' => $this->urlGenerator->linkToRoute('settings.AdminSettings.index', ['section' => 'server']) . '#backgroundjobs',
-		];
-	}
-
-	protected function getCronErrors() {
-		$errors = json_decode($this->config->getAppValue('core', 'cronErrors', ''), true);
-
-		if (is_array($errors)) {
-			return $errors;
-		}
-
-		return [];
-	}
-
-	protected function hasOpcacheLoaded(): bool {
-		return extension_loaded('Zend OPcache');
-	}
-
-	/**
-	 * Iterates through the configured app roots and
-	 * tests if the subdirectories are owned by the same user than the current user.
-	 *
-	 * @return array
-	 */
-	protected function getAppDirsWithDifferentOwner(): array {
-		$currentUser = posix_getuid();
-		$appDirsWithDifferentOwner = [[]];
-
-		foreach (OC::$APPSROOTS as $appRoot) {
-			if ($appRoot['writable'] === true) {
-				$appDirsWithDifferentOwner[] = $this->getAppDirsWithDifferentOwnerForAppRoot($currentUser, $appRoot);
-			}
-		}
-
-		$appDirsWithDifferentOwner = array_merge(...$appDirsWithDifferentOwner);
-		sort($appDirsWithDifferentOwner);
-
-		return $appDirsWithDifferentOwner;
-	}
-
-	/**
-	 * Tests if the directories for one apps directory are writable by the current user.
-	 *
-	 * @param int $currentUser The current user
-	 * @param array $appRoot The app root config
-	 * @return string[] The none writable directory paths inside the app root
-	 */
-	private function getAppDirsWithDifferentOwnerForAppRoot(int $currentUser, array $appRoot): array {
-		$appDirsWithDifferentOwner = [];
-		$appsPath = $appRoot['path'];
-		$appsDir = new DirectoryIterator($appRoot['path']);
-
-		foreach ($appsDir as $fileInfo) {
-			if ($fileInfo->isDir() && !$fileInfo->isDot()) {
-				$absAppPath = $appsPath . DIRECTORY_SEPARATOR . $fileInfo->getFilename();
-				$appDirUser = fileowner($absAppPath);
-				if ($appDirUser !== $currentUser) {
-					$appDirsWithDifferentOwner[] = $absAppPath;
-				}
-			}
-		}
-
-		return $appDirsWithDifferentOwner;
-	}
-
-	/**
-	 * Checks for potential PHP modules that would improve the instance
-	 *
-	 * @return string[] A list of PHP modules that is recommended
-	 */
-	protected function hasRecommendedPHPModules(): array {
-		$recommendedPHPModules = [];
-
-		if (!extension_loaded('intl')) {
-			$recommendedPHPModules[] = 'intl';
-		}
-
-		if (!extension_loaded('bcmath')) {
-			$recommendedPHPModules[] = 'bcmath';
-		}
-
-		if (!extension_loaded('gmp')) {
-			$recommendedPHPModules[] = 'gmp';
-		}
-
-		if ($this->config->getAppValue('theming', 'enabled', 'no') === 'yes') {
-			if (!extension_loaded('imagick')) {
-				$recommendedPHPModules[] = 'imagick';
-			}
-		}
-
-		return $recommendedPHPModules;
-	}
-
-	protected function isMysqlUsedWithoutUTF8MB4(): bool {
-		return ($this->config->getSystemValue('dbtype', 'sqlite') === 'mysql') && ($this->config->getSystemValue('mysql.utf8mb4', false) === false);
-	}
-
-	protected function hasBigIntConversionPendingColumns(): array {
-		// copy of ConvertFilecacheBigInt::getColumnsByTable()
-		$tables = [
-			'activity' => ['activity_id', 'object_id'],
-			'activity_mq' => ['mail_id'],
-			'authtoken' => ['id'],
-			'bruteforce_attempts' => ['id'],
-			'filecache' => ['fileid', 'storage', 'parent', 'mimetype', 'mimepart', 'mtime', 'storage_mtime'],
-			'filecache_extended' => ['fileid'],
-			'file_locks' => ['id'],
-			'jobs' => ['id'],
-			'mimetypes' => ['id'],
-			'mounts' => ['id', 'storage_id', 'root_id', 'mount_id'],
-			'storages' => ['numeric_id'],
-		];
-
-		$schema = new SchemaWrapper($this->db);
-		$isSqlite = $this->db->getDatabasePlatform() instanceof SqlitePlatform;
-		$pendingColumns = [];
-
-		foreach ($tables as $tableName => $columns) {
-			if (!$schema->hasTable($tableName)) {
-				continue;
-			}
-
-			$table = $schema->getTable($tableName);
-			foreach ($columns as $columnName) {
-				$column = $table->getColumn($columnName);
-				$isAutoIncrement = $column->getAutoincrement();
-				$isAutoIncrementOnSqlite = $isSqlite && $isAutoIncrement;
-				if ($column->getType()->getName() !== Types::BIGINT && !$isAutoIncrementOnSqlite) {
-					$pendingColumns[] = $tableName . '.' . $columnName;
-				}
-			}
-		}
-
-		return $pendingColumns;
-	}
-
-	protected function isEnoughTempSpaceAvailableIfS3PrimaryStorageIsUsed(): bool {
-		$objectStore = $this->config->getSystemValue('objectstore', null);
-		$objectStoreMultibucket = $this->config->getSystemValue('objectstore_multibucket', null);
-
-		if (!isset($objectStoreMultibucket) && !isset($objectStore)) {
-			return true;
-		}
-
-		if (isset($objectStoreMultibucket['class']) && $objectStoreMultibucket['class'] !== 'OC\\Files\\ObjectStore\\S3') {
-			return true;
-		}
-
-		if (isset($objectStore['class']) && $objectStore['class'] !== 'OC\\Files\\ObjectStore\\S3') {
-			return true;
-		}
-
-		$tempPath = sys_get_temp_dir();
-		if (!is_dir($tempPath)) {
-			$this->logger->error('Error while checking the temporary PHP path - it was not properly set to a directory. value: ' . $tempPath);
-			return false;
-		}
-		$freeSpaceInTemp = disk_free_space($tempPath);
-		if ($freeSpaceInTemp === false) {
-			$this->logger->error('Error while checking the available disk space of temporary PHP path - no free disk space returned. temporary path: ' . $tempPath);
-			return false;
-		}
-
-		$freeSpaceInTempInGB = $freeSpaceInTemp / 1024 / 1024 / 1024;
-		if ($freeSpaceInTempInGB > 50) {
-			return true;
-		}
-
-		$this->logger->warning('Checking the available space in the temporary path resulted in ' . round($freeSpaceInTempInGB, 1) . ' GB instead of the recommended 50GB. Path: ' . $tempPath);
-		return false;
-	}
-
-	protected function imageMagickLacksSVGSupport(): bool {
-		return extension_loaded('imagick') && count(\Imagick::queryFormats('SVG')) === 0;
-	}
-
-	/**
-	 * @return DataResponse
-	 */
-	public function check() {
-		$phpDefaultCharset = new PhpDefaultCharset();
-		$phpOutputBuffering = new PhpOutputBuffering();
-		$legacySSEKeyFormat = new LegacySSEKeyFormat($this->l10n, $this->config, $this->urlGenerator);
-		$checkUserCertificates = new CheckUserCertificates($this->l10n, $this->config, $this->urlGenerator);
-
-		return new DataResponse(
-			[
-				'isGetenvServerWorking' => !empty(getenv('PATH')),
-				'isReadOnlyConfig' => $this->isReadOnlyConfig(),
-				'hasValidTransactionIsolationLevel' => $this->hasValidTransactionIsolationLevel(),
-				'hasFileinfoInstalled' => $this->hasFileinfoInstalled(),
-				'hasWorkingFileLocking' => $this->hasWorkingFileLocking(),
-				'suggestedOverwriteCliURL' => $this->getSuggestedOverwriteCliURL(),
-				'cronInfo' => $this->getLastCronInfo(),
-				'cronErrors' => $this->getCronErrors(),
-				'serverHasInternetConnectionProblems' => $this->hasInternetConnectivityProblems(),
-				'isMemcacheConfigured' => $this->isMemcacheConfigured(),
-				'memcacheDocs' => $this->urlGenerator->linkToDocs('admin-performance'),
-				'isRandomnessSecure' => $this->isRandomnessSecure(),
-				'securityDocs' => $this->urlGenerator->linkToDocs('admin-security'),
-				'isUsedTlsLibOutdated' => $this->isUsedTlsLibOutdated(),
-				'phpSupported' => $this->isPhpSupported(),
-				'forwardedForHeadersWorking' => $this->forwardedForHeadersWorking(),
-				'reverseProxyDocs' => $this->urlGenerator->linkToDocs('admin-reverse-proxy'),
-				'isCorrectMemcachedPHPModuleInstalled' => $this->isCorrectMemcachedPHPModuleInstalled(),
-				'hasPassedCodeIntegrityCheck' => $this->checker->hasPassedCheck(),
-				'codeIntegrityCheckerDocumentation' => $this->urlGenerator->linkToDocs('admin-code-integrity'),
-				'isOpcacheProperlySetup' => $this->isOpcacheProperlySetup(),
-				'hasOpcacheLoaded' => $this->hasOpcacheLoaded(),
-				'phpOpcacheDocumentation' => $this->urlGenerator->linkToDocs('admin-php-opcache'),
-				'isSettimelimitAvailable' => $this->isSettimelimitAvailable(),
-				'hasFreeTypeSupport' => $this->hasFreeTypeSupport(),
-				'missingPrimaryKeys' => $this->hasMissingPrimaryKeys(),
-				'missingIndexes' => $this->hasMissingIndexes(),
-				'missingColumns' => $this->hasMissingColumns(),
-				'isSqliteUsed' => $this->isSqliteUsed(),
-				'databaseConversionDocumentation' => $this->urlGenerator->linkToDocs('admin-db-conversion'),
-				'isMemoryLimitSufficient' => $this->memoryInfo->isMemoryLimitSufficient(),
-				'appDirsWithDifferentOwner' => $this->getAppDirsWithDifferentOwner(),
-				'recommendedPHPModules' => $this->hasRecommendedPHPModules(),
-				'pendingBigIntConversionColumns' => $this->hasBigIntConversionPendingColumns(),
-				'isMysqlUsedWithoutUTF8MB4' => $this->isMysqlUsedWithoutUTF8MB4(),
-				'isEnoughTempSpaceAvailableIfS3PrimaryStorageIsUsed' => $this->isEnoughTempSpaceAvailableIfS3PrimaryStorageIsUsed(),
-				'reverseProxyGeneratedURL' => $this->urlGenerator->getAbsoluteURL('index.php'),
-				'imageMagickLacksSVGSupport' => $this->imageMagickLacksSVGSupport(),
-				PhpDefaultCharset::class => ['pass' => $phpDefaultCharset->run(), 'description' => $phpDefaultCharset->description(), 'severity' => $phpDefaultCharset->severity()],
-				PhpOutputBuffering::class => ['pass' => $phpOutputBuffering->run(), 'description' => $phpOutputBuffering->description(), 'severity' => $phpOutputBuffering->severity()],
-				LegacySSEKeyFormat::class => ['pass' => $legacySSEKeyFormat->run(), 'description' => $legacySSEKeyFormat->description(), 'severity' => $legacySSEKeyFormat->severity(), 'linkToDocumentation' => $legacySSEKeyFormat->linkToDocumentation()],
-				CheckUserCertificates::class => ['pass' => $checkUserCertificates->run(), 'description' => $checkUserCertificates->description(), 'severity' => $checkUserCertificates->severity(), 'elements' => $checkUserCertificates->elements()],
-			]
-		);
-	}
+            $formattedTextResponse .= print_r($completeResults, true);
+        } else {
+            $formattedTextResponse = 'No errors have been found.';
+        }
+
+
+        $response = new DataDisplayResponse(
+            $formattedTextResponse,
+            Http::STATUS_OK,
+            [
+                'Content-Type' => 'text/plain',
+            ]
+        );
+
+        return $response;
+    }
+
+    /**
+     * Checks whether a PHP opcache is properly set up
+     * @return bool
+     */
+    protected function isOpcacheProperlySetup() {
+        if (!$this->iniGetWrapper->getBool('opcache.enable')) {
+            return false;
+        }
+
+        if (!$this->iniGetWrapper->getBool('opcache.save_comments')) {
+            return false;
+        }
+
+        if ($this->iniGetWrapper->getNumeric('opcache.max_accelerated_files') < 10000) {
+            return false;
+        }
+
+        if ($this->iniGetWrapper->getNumeric('opcache.memory_consumption') < 128) {
+            return false;
+        }
+
+        if ($this->iniGetWrapper->getNumeric('opcache.interned_strings_buffer') < 8) {
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Check if the required FreeType functions are present
+     * @return bool
+     */
+    protected function hasFreeTypeSupport() {
+        return function_exists('imagettfbbox') && function_exists('imagettftext');
+    }
+
+    protected function hasMissingIndexes(): array {
+        $indexInfo = new MissingIndexInformation();
+        // Dispatch event so apps can also hint for pending index updates if needed
+        $event = new GenericEvent($indexInfo);
+        $this->dispatcher->dispatch(IDBConnection::CHECK_MISSING_INDEXES_EVENT, $event);
+
+        return $indexInfo->getListOfMissingIndexes();
+    }
+
+    protected function hasMissingPrimaryKeys(): array {
+        $info = new MissingPrimaryKeyInformation();
+        // Dispatch event so apps can also hint for pending index updates if needed
+        $event = new GenericEvent($info);
+        $this->dispatcher->dispatch(IDBConnection::CHECK_MISSING_PRIMARY_KEYS_EVENT, $event);
+
+        return $info->getListOfMissingPrimaryKeys();
+    }
+
+    protected function hasMissingColumns(): array {
+        $indexInfo = new MissingColumnInformation();
+        // Dispatch event so apps can also hint for pending index updates if needed
+        $event = new GenericEvent($indexInfo);
+        $this->dispatcher->dispatch(IDBConnection::CHECK_MISSING_COLUMNS_EVENT, $event);
+
+        return $indexInfo->getListOfMissingColumns();
+    }
+
+    protected function isSqliteUsed() {
+        return strpos($this->config->getSystemValue('dbtype'), 'sqlite') !== false;
+    }
+
+    protected function isReadOnlyConfig(): bool {
+        return \OC_Helper::isReadOnlyConfigEnabled();
+    }
+
+    protected function hasValidTransactionIsolationLevel(): bool {
+        try {
+            if ($this->db->getDatabasePlatform() instanceof SqlitePlatform) {
+                return true;
+            }
+
+            return $this->db->getTransactionIsolation() === Connection::TRANSACTION_READ_COMMITTED;
+        } catch (DBALException $e) {
+            // ignore
+        }
+
+        return true;
+    }
+
+    protected function hasFileinfoInstalled(): bool {
+        return \OC_Util::fileInfoLoaded();
+    }
+
+    protected function hasWorkingFileLocking(): bool {
+        return !($this->lockingProvider instanceof NoopLockingProvider);
+    }
+
+    protected function getSuggestedOverwriteCliURL(): string {
+        $suggestedOverwriteCliUrl = '';
+        if ($this->config->getSystemValue('overwrite.cli.url', '') === '') {
+            $suggestedOverwriteCliUrl = $this->request->getServerProtocol() . '://' . $this->request->getInsecureServerHost() . \OC::$WEBROOT;
+            if (!$this->config->getSystemValue('config_is_read_only', false)) {
+                // Set the overwrite URL when it was not set yet.
+                $this->config->setSystemValue('overwrite.cli.url', $suggestedOverwriteCliUrl);
+                $suggestedOverwriteCliUrl = '';
+            }
+        }
+        return $suggestedOverwriteCliUrl;
+    }
+
+    protected function getLastCronInfo(): array {
+        $lastCronRun = $this->config->getAppValue('core', 'lastcron', 0);
+        return [
+            'diffInSeconds' => time() - $lastCronRun,
+            'relativeTime' => $this->dateTimeFormatter->formatTimeSpan($lastCronRun),
+            'backgroundJobsUrl' => $this->urlGenerator->linkToRoute('settings.AdminSettings.index', ['section' => 'server']) . '#backgroundjobs',
+        ];
+    }
+
+    protected function getCronErrors() {
+        $errors = json_decode($this->config->getAppValue('core', 'cronErrors', ''), true);
+
+        if (is_array($errors)) {
+            return $errors;
+        }
+
+        return [];
+    }
+
+    protected function hasOpcacheLoaded(): bool {
+        return extension_loaded('Zend OPcache');
+    }
+
+    /**
+     * Iterates through the configured app roots and
+     * tests if the subdirectories are owned by the same user than the current user.
+     *
+     * @return array
+     */
+    protected function getAppDirsWithDifferentOwner(): array {
+        $currentUser = posix_getuid();
+        $appDirsWithDifferentOwner = [[]];
+
+        foreach (OC::$APPSROOTS as $appRoot) {
+            if ($appRoot['writable'] === true) {
+                $appDirsWithDifferentOwner[] = $this->getAppDirsWithDifferentOwnerForAppRoot($currentUser, $appRoot);
+            }
+        }
+
+        $appDirsWithDifferentOwner = array_merge(...$appDirsWithDifferentOwner);
+        sort($appDirsWithDifferentOwner);
+
+        return $appDirsWithDifferentOwner;
+    }
+
+    /**
+     * Tests if the directories for one apps directory are writable by the current user.
+     *
+     * @param int $currentUser The current user
+     * @param array $appRoot The app root config
+     * @return string[] The none writable directory paths inside the app root
+     */
+    private function getAppDirsWithDifferentOwnerForAppRoot(int $currentUser, array $appRoot): array {
+        $appDirsWithDifferentOwner = [];
+        $appsPath = $appRoot['path'];
+        $appsDir = new DirectoryIterator($appRoot['path']);
+
+        foreach ($appsDir as $fileInfo) {
+            if ($fileInfo->isDir() && !$fileInfo->isDot()) {
+                $absAppPath = $appsPath . DIRECTORY_SEPARATOR . $fileInfo->getFilename();
+                $appDirUser = fileowner($absAppPath);
+                if ($appDirUser !== $currentUser) {
+                    $appDirsWithDifferentOwner[] = $absAppPath;
+                }
+            }
+        }
+
+        return $appDirsWithDifferentOwner;
+    }
+
+    /**
+     * Checks for potential PHP modules that would improve the instance
+     *
+     * @return string[] A list of PHP modules that is recommended
+     */
+    protected function hasRecommendedPHPModules(): array {
+        $recommendedPHPModules = [];
+
+        if (!extension_loaded('intl')) {
+            $recommendedPHPModules[] = 'intl';
+        }
+
+        if (!extension_loaded('bcmath')) {
+            $recommendedPHPModules[] = 'bcmath';
+        }
+
+        if (!extension_loaded('gmp')) {
+            $recommendedPHPModules[] = 'gmp';
+        }
+
+        if ($this->config->getAppValue('theming', 'enabled', 'no') === 'yes') {
+            if (!extension_loaded('imagick')) {
+                $recommendedPHPModules[] = 'imagick';
+            }
+        }
+
+        return $recommendedPHPModules;
+    }
+
+    protected function isMysqlUsedWithoutUTF8MB4(): bool {
+        return ($this->config->getSystemValue('dbtype', 'sqlite') === 'mysql') && ($this->config->getSystemValue('mysql.utf8mb4', false) === false);
+    }
+
+    protected function hasBigIntConversionPendingColumns(): array {
+        // copy of ConvertFilecacheBigInt::getColumnsByTable()
+        $tables = [
+            'activity' => ['activity_id', 'object_id'],
+            'activity_mq' => ['mail_id'],
+            'authtoken' => ['id'],
+            'bruteforce_attempts' => ['id'],
+            'filecache' => ['fileid', 'storage', 'parent', 'mimetype', 'mimepart', 'mtime', 'storage_mtime'],
+            'filecache_extended' => ['fileid'],
+            'file_locks' => ['id'],
+            'jobs' => ['id'],
+            'mimetypes' => ['id'],
+            'mounts' => ['id', 'storage_id', 'root_id', 'mount_id'],
+            'storages' => ['numeric_id'],
+        ];
+
+        $schema = new SchemaWrapper($this->db);
+        $isSqlite = $this->db->getDatabasePlatform() instanceof SqlitePlatform;
+        $pendingColumns = [];
+
+        foreach ($tables as $tableName => $columns) {
+            if (!$schema->hasTable($tableName)) {
+                continue;
+            }
+
+            $table = $schema->getTable($tableName);
+            foreach ($columns as $columnName) {
+                $column = $table->getColumn($columnName);
+                $isAutoIncrement = $column->getAutoincrement();
+                $isAutoIncrementOnSqlite = $isSqlite && $isAutoIncrement;
+                if ($column->getType()->getName() !== Types::BIGINT && !$isAutoIncrementOnSqlite) {
+                    $pendingColumns[] = $tableName . '.' . $columnName;
+                }
+            }
+        }
+
+        return $pendingColumns;
+    }
+
+    protected function isEnoughTempSpaceAvailableIfS3PrimaryStorageIsUsed(): bool {
+        $objectStore = $this->config->getSystemValue('objectstore', null);
+        $objectStoreMultibucket = $this->config->getSystemValue('objectstore_multibucket', null);
+
+        if (!isset($objectStoreMultibucket) && !isset($objectStore)) {
+            return true;
+        }
+
+        if (isset($objectStoreMultibucket['class']) && $objectStoreMultibucket['class'] !== 'OC\\Files\\ObjectStore\\S3') {
+            return true;
+        }
+
+        if (isset($objectStore['class']) && $objectStore['class'] !== 'OC\\Files\\ObjectStore\\S3') {
+            return true;
+        }
+
+        $tempPath = sys_get_temp_dir();
+        if (!is_dir($tempPath)) {
+            $this->logger->error('Error while checking the temporary PHP path - it was not properly set to a directory. value: ' . $tempPath);
+            return false;
+        }
+        $freeSpaceInTemp = disk_free_space($tempPath);
+        if ($freeSpaceInTemp === false) {
+            $this->logger->error('Error while checking the available disk space of temporary PHP path - no free disk space returned. temporary path: ' . $tempPath);
+            return false;
+        }
+
+        $freeSpaceInTempInGB = $freeSpaceInTemp / 1024 / 1024 / 1024;
+        if ($freeSpaceInTempInGB > 50) {
+            return true;
+        }
+
+        $this->logger->warning('Checking the available space in the temporary path resulted in ' . round($freeSpaceInTempInGB, 1) . ' GB instead of the recommended 50GB. Path: ' . $tempPath);
+        return false;
+    }
+
+    protected function imageMagickLacksSVGSupport(): bool {
+        return extension_loaded('imagick') && count(\Imagick::queryFormats('SVG')) === 0;
+    }
+
+    /**
+     * @return DataResponse
+     */
+    public function check() {
+        $phpDefaultCharset = new PhpDefaultCharset();
+        $phpOutputBuffering = new PhpOutputBuffering();
+        $legacySSEKeyFormat = new LegacySSEKeyFormat($this->l10n, $this->config, $this->urlGenerator);
+        $checkUserCertificates = new CheckUserCertificates($this->l10n, $this->config, $this->urlGenerator);
+
+        return new DataResponse(
+            [
+                'isGetenvServerWorking' => !empty(getenv('PATH')),
+                'isReadOnlyConfig' => $this->isReadOnlyConfig(),
+                'hasValidTransactionIsolationLevel' => $this->hasValidTransactionIsolationLevel(),
+                'hasFileinfoInstalled' => $this->hasFileinfoInstalled(),
+                'hasWorkingFileLocking' => $this->hasWorkingFileLocking(),
+                'suggestedOverwriteCliURL' => $this->getSuggestedOverwriteCliURL(),
+                'cronInfo' => $this->getLastCronInfo(),
+                'cronErrors' => $this->getCronErrors(),
+                'serverHasInternetConnectionProblems' => $this->hasInternetConnectivityProblems(),
+                'isMemcacheConfigured' => $this->isMemcacheConfigured(),
+                'memcacheDocs' => $this->urlGenerator->linkToDocs('admin-performance'),
+                'isRandomnessSecure' => $this->isRandomnessSecure(),
+                'securityDocs' => $this->urlGenerator->linkToDocs('admin-security'),
+                'isUsedTlsLibOutdated' => $this->isUsedTlsLibOutdated(),
+                'phpSupported' => $this->isPhpSupported(),
+                'forwardedForHeadersWorking' => $this->forwardedForHeadersWorking(),
+                'reverseProxyDocs' => $this->urlGenerator->linkToDocs('admin-reverse-proxy'),
+                'isCorrectMemcachedPHPModuleInstalled' => $this->isCorrectMemcachedPHPModuleInstalled(),
+                'hasPassedCodeIntegrityCheck' => $this->checker->hasPassedCheck(),
+                'codeIntegrityCheckerDocumentation' => $this->urlGenerator->linkToDocs('admin-code-integrity'),
+                'isOpcacheProperlySetup' => $this->isOpcacheProperlySetup(),
+                'hasOpcacheLoaded' => $this->hasOpcacheLoaded(),
+                'phpOpcacheDocumentation' => $this->urlGenerator->linkToDocs('admin-php-opcache'),
+                'isSettimelimitAvailable' => $this->isSettimelimitAvailable(),
+                'hasFreeTypeSupport' => $this->hasFreeTypeSupport(),
+                'missingPrimaryKeys' => $this->hasMissingPrimaryKeys(),
+                'missingIndexes' => $this->hasMissingIndexes(),
+                'missingColumns' => $this->hasMissingColumns(),
+                'isSqliteUsed' => $this->isSqliteUsed(),
+                'databaseConversionDocumentation' => $this->urlGenerator->linkToDocs('admin-db-conversion'),
+                'isMemoryLimitSufficient' => $this->memoryInfo->isMemoryLimitSufficient(),
+                'appDirsWithDifferentOwner' => $this->getAppDirsWithDifferentOwner(),
+                'recommendedPHPModules' => $this->hasRecommendedPHPModules(),
+                'pendingBigIntConversionColumns' => $this->hasBigIntConversionPendingColumns(),
+                'isMysqlUsedWithoutUTF8MB4' => $this->isMysqlUsedWithoutUTF8MB4(),
+                'isEnoughTempSpaceAvailableIfS3PrimaryStorageIsUsed' => $this->isEnoughTempSpaceAvailableIfS3PrimaryStorageIsUsed(),
+                'reverseProxyGeneratedURL' => $this->urlGenerator->getAbsoluteURL('index.php'),
+                'imageMagickLacksSVGSupport' => $this->imageMagickLacksSVGSupport(),
+                PhpDefaultCharset::class => ['pass' => $phpDefaultCharset->run(), 'description' => $phpDefaultCharset->description(), 'severity' => $phpDefaultCharset->severity()],
+                PhpOutputBuffering::class => ['pass' => $phpOutputBuffering->run(), 'description' => $phpOutputBuffering->description(), 'severity' => $phpOutputBuffering->severity()],
+                LegacySSEKeyFormat::class => ['pass' => $legacySSEKeyFormat->run(), 'description' => $legacySSEKeyFormat->description(), 'severity' => $legacySSEKeyFormat->severity(), 'linkToDocumentation' => $legacySSEKeyFormat->linkToDocumentation()],
+                CheckUserCertificates::class => ['pass' => $checkUserCertificates->run(), 'description' => $checkUserCertificates->description(), 'severity' => $checkUserCertificates->severity(), 'elements' => $checkUserCertificates->elements()],
+            ]
+        );
+    }
 }