nextcloud / server

apps/federation/lib/Command/SyncFederationAddressBooks.php

Indentation +33 added lines, -33 removed lines

@@ -31,45 +31,45 @@
 
 class SyncFederationAddressBooks extends Command {
 
-	/** @var \OCA\Federation\SyncFederationAddressBooks */
-	private $syncService;
+    /** @var \OCA\Federation\SyncFederationAddressBooks */
+    private $syncService;
 
-	/**
-	 * @param \OCA\Federation\SyncFederationAddressBooks $syncService
-	 */
-	function __construct(\OCA\Federation\SyncFederationAddressBooks $syncService) {
-		parent::__construct();
+    /**
+     * @param \OCA\Federation\SyncFederationAddressBooks $syncService
+     */
+    function __construct(\OCA\Federation\SyncFederationAddressBooks $syncService) {
+        parent::__construct();
 
-		$this->syncService = $syncService;
-	}
+        $this->syncService = $syncService;
+    }
 
-	protected function configure() {
-		$this
-			->setName('federation:sync-addressbooks')
-			->setDescription('Synchronizes addressbooks of all federated clouds');
-	}
+    protected function configure() {
+        $this
+            ->setName('federation:sync-addressbooks')
+            ->setDescription('Synchronizes addressbooks of all federated clouds');
+    }
 
-	/**
-	 * @param InputInterface $input
-	 * @param OutputInterface $output
-	 * @return int
-	 */
-	protected function execute(InputInterface $input, OutputInterface $output) {
+    /**
+     * @param InputInterface $input
+     * @param OutputInterface $output
+     * @return int
+     */
+    protected function execute(InputInterface $input, OutputInterface $output) {
 
-		$progress = new ProgressBar($output);
-		$progress->start();
-		$this->syncService->syncThemAll(function($url, $ex) use ($progress, $output) {
-			if ($ex instanceof \Exception) {
-				$output->writeln("Error while syncing $url : " . $ex->getMessage());
+        $progress = new ProgressBar($output);
+        $progress->start();
+        $this->syncService->syncThemAll(function($url, $ex) use ($progress, $output) {
+            if ($ex instanceof \Exception) {
+                $output->writeln("Error while syncing $url : " . $ex->getMessage());
 
-			} else {
-				$progress->advance();
-			}
-		});
+            } else {
+                $progress->advance();
+            }
+        });
 
-		$progress->finish();
-		$output->writeln('');
+        $progress->finish();
+        $output->writeln('');
 
-		return 0;
-	}
+        return 0;
+    }
 }

apps/federation/lib/SyncFederationAddressBooks.php

Indentation +43 added lines, -43 removed lines

@@ -32,52 +32,52 @@
 
 class SyncFederationAddressBooks {
 
-	/** @var DbHandler */
-	protected $dbHandler;
+    /** @var DbHandler */
+    protected $dbHandler;
 
-	/** @var SyncService */
-	private $syncService;
+    /** @var SyncService */
+    private $syncService;
 
-	/**
-	 * @param DbHandler $dbHandler
-	 * @param SyncService $syncService
-	 */
-	function __construct(DbHandler $dbHandler, SyncService $syncService) {
-		$this->syncService = $syncService;
-		$this->dbHandler = $dbHandler;
-	}
+    /**
+     * @param DbHandler $dbHandler
+     * @param SyncService $syncService
+     */
+    function __construct(DbHandler $dbHandler, SyncService $syncService) {
+        $this->syncService = $syncService;
+        $this->dbHandler = $dbHandler;
+    }
 
-	/**
-	 * @param \Closure $callback
-	 */
-	public function syncThemAll(\Closure $callback) {
+    /**
+     * @param \Closure $callback
+     */
+    public function syncThemAll(\Closure $callback) {
 
-		$trustedServers = $this->dbHandler->getAllServer();
-		foreach ($trustedServers as $trustedServer) {
-			$url = $trustedServer['url'];
-			$callback($url, null);
-			$sharedSecret = $trustedServer['shared_secret'];
-			$syncToken = $trustedServer['sync_token'];
+        $trustedServers = $this->dbHandler->getAllServer();
+        foreach ($trustedServers as $trustedServer) {
+            $url = $trustedServer['url'];
+            $callback($url, null);
+            $sharedSecret = $trustedServer['shared_secret'];
+            $syncToken = $trustedServer['sync_token'];
 
-			if (is_null($sharedSecret)) {
-				continue;
-			}
-			$targetBookId = $trustedServer['url_hash'];
-			$targetPrincipal = "principals/system/system";
-			$targetBookProperties = [
-					'{DAV:}displayname' => $url
-			];
-			try {
-				$newToken = $this->syncService->syncRemoteAddressBook($url, 'system', $sharedSecret, $syncToken, $targetBookId, $targetPrincipal, $targetBookProperties);
-				if ($newToken !== $syncToken) {
-					$this->dbHandler->setServerStatus($url, TrustedServers::STATUS_OK, $newToken);
-				}
-			} catch (\Exception $ex) {
-				if ($ex->getCode() === Http::STATUS_UNAUTHORIZED) {
-					$this->dbHandler->setServerStatus($url, TrustedServers::STATUS_ACCESS_REVOKED);
-				}
-				$callback($url, $ex);
-			}
-		}
-	}
+            if (is_null($sharedSecret)) {
+                continue;
+            }
+            $targetBookId = $trustedServer['url_hash'];
+            $targetPrincipal = "principals/system/system";
+            $targetBookProperties = [
+                    '{DAV:}displayname' => $url
+            ];
+            try {
+                $newToken = $this->syncService->syncRemoteAddressBook($url, 'system', $sharedSecret, $syncToken, $targetBookId, $targetPrincipal, $targetBookProperties);
+                if ($newToken !== $syncToken) {
+                    $this->dbHandler->setServerStatus($url, TrustedServers::STATUS_OK, $newToken);
+                }
+            } catch (\Exception $ex) {
+                if ($ex->getCode() === Http::STATUS_UNAUTHORIZED) {
+                    $this->dbHandler->setServerStatus($url, TrustedServers::STATUS_ACCESS_REVOKED);
+                }
+                $callback($url, $ex);
+            }
+        }
+    }
 }

apps/federation/lib/TrustedServers.php

Indentation +237 added lines, -237 removed lines

@@ -38,241 +38,241 @@
 
 class TrustedServers {
 
-	/** after a user list was exchanged at least once successfully */
-	const STATUS_OK = 1;
-	/** waiting for shared secret or initial user list exchange */
-	const STATUS_PENDING = 2;
-	/** something went wrong, misconfigured server, software bug,... user interaction needed */
-	const STATUS_FAILURE = 3;
-	/** remote server revoked access */
-	const STATUS_ACCESS_REVOKED = 4;
-
-	/** @var  dbHandler */
-	private $dbHandler;
-
-	/** @var  IClientService */
-	private $httpClientService;
-
-	/** @var ILogger */
-	private $logger;
-
-	/** @var IJobList */
-	private $jobList;
-
-	/** @var ISecureRandom */
-	private $secureRandom;
-
-	/** @var IConfig */
-	private $config;
-
-	/** @var EventDispatcherInterface */
-	private $dispatcher;
-
-	/**
-	 * @param DbHandler $dbHandler
-	 * @param IClientService $httpClientService
-	 * @param ILogger $logger
-	 * @param IJobList $jobList
-	 * @param ISecureRandom $secureRandom
-	 * @param IConfig $config
-	 * @param EventDispatcherInterface $dispatcher
-	 */
-	public function __construct(
-		DbHandler $dbHandler,
-		IClientService $httpClientService,
-		ILogger $logger,
-		IJobList $jobList,
-		ISecureRandom $secureRandom,
-		IConfig $config,
-		EventDispatcherInterface $dispatcher
-	) {
-		$this->dbHandler = $dbHandler;
-		$this->httpClientService = $httpClientService;
-		$this->logger = $logger;
-		$this->jobList = $jobList;
-		$this->secureRandom = $secureRandom;
-		$this->config = $config;
-		$this->dispatcher = $dispatcher;
-	}
-
-	/**
-	 * add server to the list of trusted servers
-	 *
-	 * @param $url
-	 * @return int server id
-	 */
-	public function addServer($url) {
-		$url = $this->updateProtocol($url);
-		$result = $this->dbHandler->addServer($url);
-		if ($result) {
-			$token = $this->secureRandom->generate(16);
-			$this->dbHandler->addToken($url, $token);
-			$this->jobList->add(
-				'OCA\Federation\BackgroundJob\RequestSharedSecret',
-				[
-					'url' => $url,
-					'token' => $token
-				]
-			);
-		}
-
-		return $result;
-	}
-
-	/**
-	 * enable/disable to automatically add servers to the list of trusted servers
-	 * once a federated share was created and accepted successfully
-	 *
-	 * @param bool $status
-	 */
-	public function setAutoAddServers($status) {
-		$value = $status ? '1' : '0';
-		$this->config->setAppValue('federation', 'autoAddServers', $value);
-	}
-
-	/**
-	 * return if we automatically add servers to the list of trusted servers
-	 * once a federated share was created and accepted successfully
-	 *
-	 * @return bool
-	 */
-	public function getAutoAddServers() {
-		$value = $this->config->getAppValue('federation', 'autoAddServers', '0');
-		return $value === '1';
-	}
-
-	/**
-	 * get shared secret for the given server
-	 *
-	 * @param string $url
-	 * @return string
-	 */
-	public function getSharedSecret($url) {
-		return $this->dbHandler->getSharedSecret($url);
-	}
-
-	/**
-	 * add shared secret for the given server
-	 *
-	 * @param string $url
-	 * @param $sharedSecret
-	 */
-	public function addSharedSecret($url, $sharedSecret) {
-		$this->dbHandler->addSharedSecret($url, $sharedSecret);
-	}
-
-	/**
-	 * remove server from the list of trusted servers
-	 *
-	 * @param int $id
-	 */
-	public function removeServer($id) {
-		$server = $this->dbHandler->getServerById($id);
-		$this->dbHandler->removeServer($id);
-		$event = new GenericEvent($server['url_hash']);
-		$this->dispatcher->dispatch('OCP\Federation\TrustedServerEvent::remove', $event);
-	}
-
-	/**
-	 * get all trusted servers
-	 *
-	 * @return array
-	 */
-	public function getServers() {
-		return $this->dbHandler->getAllServer();
-	}
-
-	/**
-	 * check if given server is a trusted ownCloud server
-	 *
-	 * @param string $url
-	 * @return bool
-	 */
-	public function isTrustedServer($url) {
-		return $this->dbHandler->serverExists($url);
-	}
-
-	/**
-	 * set server status
-	 *
-	 * @param string $url
-	 * @param int $status
-	 */
-	public function setServerStatus($url, $status) {
-		$this->dbHandler->setServerStatus($url, $status);
-	}
-
-	/**
-	 * @param string $url
-	 * @return int
-	 */
-	public function getServerStatus($url) {
-		return $this->dbHandler->getServerStatus($url);
-	}
-
-	/**
-	 * check if URL point to a ownCloud/Nextcloud server
-	 *
-	 * @param string $url
-	 * @return bool
-	 */
-	public function isOwnCloudServer($url) {
-		$isValidOwnCloud = false;
-		$client = $this->httpClientService->newClient();
-		try {
-			$result = $client->get(
-				$url . '/status.php',
-				[
-					'timeout' => 3,
-					'connect_timeout' => 3,
-				]
-			);
-			if ($result->getStatusCode() === Http::STATUS_OK) {
-				$isValidOwnCloud = $this->checkOwnCloudVersion($result->getBody());
-
-			}
-		} catch (\Exception $e) {
-			$this->logger->debug('No Nextcloud server: ' . $e->getMessage());
-			return false;
-		}
-
-		return $isValidOwnCloud;
-	}
-
-	/**
-	 * check if ownCloud version is >= 9.0
-	 *
-	 * @param $status
-	 * @return bool
-	 * @throws HintException
-	 */
-	protected function checkOwnCloudVersion($status) {
-		$decoded = json_decode($status, true);
-		if (!empty($decoded) && isset($decoded['version'])) {
-			if (!version_compare($decoded['version'], '9.0.0', '>=')) {
-				throw new HintException('Remote server version is too low. 9.0 is required.');
-			}
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * check if the URL contain a protocol, if not add https
-	 *
-	 * @param string $url
-	 * @return string
-	 */
-	protected function updateProtocol($url) {
-		if (
-			strpos($url, 'https://') === 0
-			|| strpos($url, 'http://') === 0
-		) {
-
-			return $url;
-
-		}
-
-		return 'https://' . $url;
-	}
+    /** after a user list was exchanged at least once successfully */
+    const STATUS_OK = 1;
+    /** waiting for shared secret or initial user list exchange */
+    const STATUS_PENDING = 2;
+    /** something went wrong, misconfigured server, software bug,... user interaction needed */
+    const STATUS_FAILURE = 3;
+    /** remote server revoked access */
+    const STATUS_ACCESS_REVOKED = 4;
+
+    /** @var  dbHandler */
+    private $dbHandler;
+
+    /** @var  IClientService */
+    private $httpClientService;
+
+    /** @var ILogger */
+    private $logger;
+
+    /** @var IJobList */
+    private $jobList;
+
+    /** @var ISecureRandom */
+    private $secureRandom;
+
+    /** @var IConfig */
+    private $config;
+
+    /** @var EventDispatcherInterface */
+    private $dispatcher;
+
+    /**
+     * @param DbHandler $dbHandler
+     * @param IClientService $httpClientService
+     * @param ILogger $logger
+     * @param IJobList $jobList
+     * @param ISecureRandom $secureRandom
+     * @param IConfig $config
+     * @param EventDispatcherInterface $dispatcher
+     */
+    public function __construct(
+        DbHandler $dbHandler,
+        IClientService $httpClientService,
+        ILogger $logger,
+        IJobList $jobList,
+        ISecureRandom $secureRandom,
+        IConfig $config,
+        EventDispatcherInterface $dispatcher
+    ) {
+        $this->dbHandler = $dbHandler;
+        $this->httpClientService = $httpClientService;
+        $this->logger = $logger;
+        $this->jobList = $jobList;
+        $this->secureRandom = $secureRandom;
+        $this->config = $config;
+        $this->dispatcher = $dispatcher;
+    }
+
+    /**
+     * add server to the list of trusted servers
+     *
+     * @param $url
+     * @return int server id
+     */
+    public function addServer($url) {
+        $url = $this->updateProtocol($url);
+        $result = $this->dbHandler->addServer($url);
+        if ($result) {
+            $token = $this->secureRandom->generate(16);
+            $this->dbHandler->addToken($url, $token);
+            $this->jobList->add(
+                'OCA\Federation\BackgroundJob\RequestSharedSecret',
+                [
+                    'url' => $url,
+                    'token' => $token
+                ]
+            );
+        }
+
+        return $result;
+    }
+
+    /**
+     * enable/disable to automatically add servers to the list of trusted servers
+     * once a federated share was created and accepted successfully
+     *
+     * @param bool $status
+     */
+    public function setAutoAddServers($status) {
+        $value = $status ? '1' : '0';
+        $this->config->setAppValue('federation', 'autoAddServers', $value);
+    }
+
+    /**
+     * return if we automatically add servers to the list of trusted servers
+     * once a federated share was created and accepted successfully
+     *
+     * @return bool
+     */
+    public function getAutoAddServers() {
+        $value = $this->config->getAppValue('federation', 'autoAddServers', '0');
+        return $value === '1';
+    }
+
+    /**
+     * get shared secret for the given server
+     *
+     * @param string $url
+     * @return string
+     */
+    public function getSharedSecret($url) {
+        return $this->dbHandler->getSharedSecret($url);
+    }
+
+    /**
+     * add shared secret for the given server
+     *
+     * @param string $url
+     * @param $sharedSecret
+     */
+    public function addSharedSecret($url, $sharedSecret) {
+        $this->dbHandler->addSharedSecret($url, $sharedSecret);
+    }
+
+    /**
+     * remove server from the list of trusted servers
+     *
+     * @param int $id
+     */
+    public function removeServer($id) {
+        $server = $this->dbHandler->getServerById($id);
+        $this->dbHandler->removeServer($id);
+        $event = new GenericEvent($server['url_hash']);
+        $this->dispatcher->dispatch('OCP\Federation\TrustedServerEvent::remove', $event);
+    }
+
+    /**
+     * get all trusted servers
+     *
+     * @return array
+     */
+    public function getServers() {
+        return $this->dbHandler->getAllServer();
+    }
+
+    /**
+     * check if given server is a trusted ownCloud server
+     *
+     * @param string $url
+     * @return bool
+     */
+    public function isTrustedServer($url) {
+        return $this->dbHandler->serverExists($url);
+    }
+
+    /**
+     * set server status
+     *
+     * @param string $url
+     * @param int $status
+     */
+    public function setServerStatus($url, $status) {
+        $this->dbHandler->setServerStatus($url, $status);
+    }
+
+    /**
+     * @param string $url
+     * @return int
+     */
+    public function getServerStatus($url) {
+        return $this->dbHandler->getServerStatus($url);
+    }
+
+    /**
+     * check if URL point to a ownCloud/Nextcloud server
+     *
+     * @param string $url
+     * @return bool
+     */
+    public function isOwnCloudServer($url) {
+        $isValidOwnCloud = false;
+        $client = $this->httpClientService->newClient();
+        try {
+            $result = $client->get(
+                $url . '/status.php',
+                [
+                    'timeout' => 3,
+                    'connect_timeout' => 3,
+                ]
+            );
+            if ($result->getStatusCode() === Http::STATUS_OK) {
+                $isValidOwnCloud = $this->checkOwnCloudVersion($result->getBody());
+
+            }
+        } catch (\Exception $e) {
+            $this->logger->debug('No Nextcloud server: ' . $e->getMessage());
+            return false;
+        }
+
+        return $isValidOwnCloud;
+    }
+
+    /**
+     * check if ownCloud version is >= 9.0
+     *
+     * @param $status
+     * @return bool
+     * @throws HintException
+     */
+    protected function checkOwnCloudVersion($status) {
+        $decoded = json_decode($status, true);
+        if (!empty($decoded) && isset($decoded['version'])) {
+            if (!version_compare($decoded['version'], '9.0.0', '>=')) {
+                throw new HintException('Remote server version is too low. 9.0 is required.');
+            }
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * check if the URL contain a protocol, if not add https
+     *
+     * @param string $url
+     * @return string
+     */
+    protected function updateProtocol($url) {
+        if (
+            strpos($url, 'https://') === 0
+            || strpos($url, 'http://') === 0
+        ) {
+
+            return $url;
+
+        }
+
+        return 'https://' . $url;
+    }
 }

apps/federation/lib/BackgroundJob/GetSharedSecret.php

Indentation +153 added lines, -153 removed lines

@@ -47,157 +47,157 @@
  */
 class GetSharedSecret extends Job{
 
-	/** @var IClient */
-	private $httpClient;
-
-	/** @var IJobList */
-	private $jobList;
-
-	/** @var IURLGenerator */
-	private $urlGenerator;
-
-	/** @var TrustedServers  */
-	private $trustedServers;
-
-	/** @var DbHandler */
-	private $dbHandler;
-
-	/** @var ILogger */
-	private $logger;
-
-	/** @var bool */
-	protected $retainJob = false;
-
-	private $endPoint = '/ocs/v2.php/apps/federation/api/v1/shared-secret?format=json';
-
-	/**
-	 * RequestSharedSecret constructor.
-	 *
-	 * @param IClient $httpClient
-	 * @param IURLGenerator $urlGenerator
-	 * @param IJobList $jobList
-	 * @param TrustedServers $trustedServers
-	 * @param ILogger $logger
-	 * @param DbHandler $dbHandler
-	 */
-	public function __construct(
-		IClient $httpClient = null,
-		IURLGenerator $urlGenerator = null,
-		IJobList $jobList = null,
-		TrustedServers $trustedServers = null,
-		ILogger $logger = null,
-		DbHandler $dbHandler = null
-	) {
-		$this->logger = $logger ? $logger : \OC::$server->getLogger();
-		$this->httpClient = $httpClient ? $httpClient : \OC::$server->getHTTPClientService()->newClient();
-		$this->jobList = $jobList ? $jobList : \OC::$server->getJobList();
-		$this->urlGenerator = $urlGenerator ? $urlGenerator : \OC::$server->getURLGenerator();
-		$this->dbHandler = $dbHandler ? $dbHandler : new DbHandler(\OC::$server->getDatabaseConnection(), \OC::$server->getL10N('federation'));
-		if ($trustedServers) {
-			$this->trustedServers = $trustedServers;
-		} else {
-			$this->trustedServers = new TrustedServers(
-				$this->dbHandler,
-				\OC::$server->getHTTPClientService(),
-				$this->logger,
-				$this->jobList,
-				\OC::$server->getSecureRandom(),
-				\OC::$server->getConfig(),
-				\OC::$server->getEventDispatcher()
-			);
-		}
-	}
-
-	/**
-	 * run the job, then remove it from the joblist
-	 *
-	 * @param JobList $jobList
-	 * @param ILogger $logger
-	 */
-	public function execute($jobList, ILogger $logger = null) {
-		$target = $this->argument['url'];
-		// only execute if target is still in the list of trusted domains
-		if ($this->trustedServers->isTrustedServer($target)) {
-			$this->parentExecute($jobList, $logger);
-		}
-
-		if (!$this->retainJob) {
-			$jobList->remove($this, $this->argument);
-		}
-	}
-
-	/**
-	 * call execute() method of parent
-	 *
-	 * @param JobList $jobList
-	 * @param ILogger $logger
-	 */
-	protected function parentExecute($jobList, $logger = null) {
-		parent::execute($jobList, $logger);
-	}
-
-	protected function run($argument) {
-		$target = $argument['url'];
-		$source = $this->urlGenerator->getAbsoluteURL('/');
-		$source = rtrim($source, '/');
-		$token = $argument['token'];
-
-		$result = null;
-		try {
-			$result = $this->httpClient->get(
-				$target . $this->endPoint,
-				[
-					'query' =>
-						[
-							'url' => $source,
-							'token' => $token
-						],
-					'timeout' => 3,
-					'connect_timeout' => 3,
-				]
-			);
-
-			$status = $result->getStatusCode();
-
-		} catch (ClientException $e) {
-			$status = $e->getCode();
-			if ($status === Http::STATUS_FORBIDDEN) {
-				$this->logger->info($target . ' refused to exchange a shared secret with you.', ['app' => 'federation']);
-			} else {
-				$this->logger->logException($e, ['app' => 'federation']);
-			}
-		} catch (\Exception $e) {
-			$status = Http::STATUS_INTERNAL_SERVER_ERROR;
-			$this->logger->logException($e, ['app' => 'federation']);
-		}
-
-		// if we received a unexpected response we try again later
-		if (
-			$status !== Http::STATUS_OK
-			&& $status !== Http::STATUS_FORBIDDEN
-		) {
-			$this->retainJob = true;
-		}  else {
-			// reset token if we received a valid response
-			$this->dbHandler->addToken($target, '');
-		}
-
-		if ($status === Http::STATUS_OK && $result instanceof IResponse) {
-			$body = $result->getBody();
-			$result = json_decode($body, true);
-			if (isset($result['ocs']['data']['sharedSecret'])) {
-				$this->trustedServers->addSharedSecret(
-						$target,
-						$result['ocs']['data']['sharedSecret']
-				);
-			} else {
-				$this->logger->error(
-						'remote server "' . $target . '"" does not return a valid shared secret',
-						['app' => 'federation']
-				);
-				$this->trustedServers->setServerStatus($target, TrustedServers::STATUS_FAILURE);
-			}
-		}
-
-	}
+    /** @var IClient */
+    private $httpClient;
+
+    /** @var IJobList */
+    private $jobList;
+
+    /** @var IURLGenerator */
+    private $urlGenerator;
+
+    /** @var TrustedServers  */
+    private $trustedServers;
+
+    /** @var DbHandler */
+    private $dbHandler;
+
+    /** @var ILogger */
+    private $logger;
+
+    /** @var bool */
+    protected $retainJob = false;
+
+    private $endPoint = '/ocs/v2.php/apps/federation/api/v1/shared-secret?format=json';
+
+    /**
+     * RequestSharedSecret constructor.
+     *
+     * @param IClient $httpClient
+     * @param IURLGenerator $urlGenerator
+     * @param IJobList $jobList
+     * @param TrustedServers $trustedServers
+     * @param ILogger $logger
+     * @param DbHandler $dbHandler
+     */
+    public function __construct(
+        IClient $httpClient = null,
+        IURLGenerator $urlGenerator = null,
+        IJobList $jobList = null,
+        TrustedServers $trustedServers = null,
+        ILogger $logger = null,
+        DbHandler $dbHandler = null
+    ) {
+        $this->logger = $logger ? $logger : \OC::$server->getLogger();
+        $this->httpClient = $httpClient ? $httpClient : \OC::$server->getHTTPClientService()->newClient();
+        $this->jobList = $jobList ? $jobList : \OC::$server->getJobList();
+        $this->urlGenerator = $urlGenerator ? $urlGenerator : \OC::$server->getURLGenerator();
+        $this->dbHandler = $dbHandler ? $dbHandler : new DbHandler(\OC::$server->getDatabaseConnection(), \OC::$server->getL10N('federation'));
+        if ($trustedServers) {
+            $this->trustedServers = $trustedServers;
+        } else {
+            $this->trustedServers = new TrustedServers(
+                $this->dbHandler,
+                \OC::$server->getHTTPClientService(),
+                $this->logger,
+                $this->jobList,
+                \OC::$server->getSecureRandom(),
+                \OC::$server->getConfig(),
+                \OC::$server->getEventDispatcher()
+            );
+        }
+    }
+
+    /**
+     * run the job, then remove it from the joblist
+     *
+     * @param JobList $jobList
+     * @param ILogger $logger
+     */
+    public function execute($jobList, ILogger $logger = null) {
+        $target = $this->argument['url'];
+        // only execute if target is still in the list of trusted domains
+        if ($this->trustedServers->isTrustedServer($target)) {
+            $this->parentExecute($jobList, $logger);
+        }
+
+        if (!$this->retainJob) {
+            $jobList->remove($this, $this->argument);
+        }
+    }
+
+    /**
+     * call execute() method of parent
+     *
+     * @param JobList $jobList
+     * @param ILogger $logger
+     */
+    protected function parentExecute($jobList, $logger = null) {
+        parent::execute($jobList, $logger);
+    }
+
+    protected function run($argument) {
+        $target = $argument['url'];
+        $source = $this->urlGenerator->getAbsoluteURL('/');
+        $source = rtrim($source, '/');
+        $token = $argument['token'];
+
+        $result = null;
+        try {
+            $result = $this->httpClient->get(
+                $target . $this->endPoint,
+                [
+                    'query' =>
+                        [
+                            'url' => $source,
+                            'token' => $token
+                        ],
+                    'timeout' => 3,
+                    'connect_timeout' => 3,
+                ]
+            );
+
+            $status = $result->getStatusCode();
+
+        } catch (ClientException $e) {
+            $status = $e->getCode();
+            if ($status === Http::STATUS_FORBIDDEN) {
+                $this->logger->info($target . ' refused to exchange a shared secret with you.', ['app' => 'federation']);
+            } else {
+                $this->logger->logException($e, ['app' => 'federation']);
+            }
+        } catch (\Exception $e) {
+            $status = Http::STATUS_INTERNAL_SERVER_ERROR;
+            $this->logger->logException($e, ['app' => 'federation']);
+        }
+
+        // if we received a unexpected response we try again later
+        if (
+            $status !== Http::STATUS_OK
+            && $status !== Http::STATUS_FORBIDDEN
+        ) {
+            $this->retainJob = true;
+        }  else {
+            // reset token if we received a valid response
+            $this->dbHandler->addToken($target, '');
+        }
+
+        if ($status === Http::STATUS_OK && $result instanceof IResponse) {
+            $body = $result->getBody();
+            $result = json_decode($body, true);
+            if (isset($result['ocs']['data']['sharedSecret'])) {
+                $this->trustedServers->addSharedSecret(
+                        $target,
+                        $result['ocs']['data']['sharedSecret']
+                );
+            } else {
+                $this->logger->error(
+                        'remote server "' . $target . '"" does not return a valid shared secret',
+                        ['app' => 'federation']
+                );
+                $this->trustedServers->setServerStatus($target, TrustedServers::STATUS_FAILURE);
+            }
+        }
+
+    }
 }

apps/federation/lib/BackgroundJob/RequestSharedSecret.php

Indentation +136 added lines, -136 removed lines

@@ -47,140 +47,140 @@
  */
 class RequestSharedSecret extends Job {
 
-	/** @var IClient */
-	private $httpClient;
-
-	/** @var IJobList */
-	private $jobList;
-
-	/** @var IURLGenerator */
-	private $urlGenerator;
-
-	/** @var DbHandler */
-	private $dbHandler;
-
-	/** @var TrustedServers */
-	private $trustedServers;
-
-	private $endPoint = '/ocs/v2.php/apps/federation/api/v1/request-shared-secret?format=json';
-
-	/** @var ILogger */
-	private $logger;
-
-	/** @var bool */
-	protected $retainJob = false;
-
-	/**
-	 * RequestSharedSecret constructor.
-	 *
-	 * @param IClient $httpClient
-	 * @param IURLGenerator $urlGenerator
-	 * @param IJobList $jobList
-	 * @param TrustedServers $trustedServers
-	 * @param DbHandler $dbHandler
-	 */
-	public function __construct(
-		IClient $httpClient = null,
-		IURLGenerator $urlGenerator = null,
-		IJobList $jobList = null,
-		TrustedServers $trustedServers = null,
-		DbHandler $dbHandler = null
-	) {
-		$this->httpClient = $httpClient ? $httpClient : \OC::$server->getHTTPClientService()->newClient();
-		$this->jobList = $jobList ? $jobList : \OC::$server->getJobList();
-		$this->urlGenerator = $urlGenerator ? $urlGenerator : \OC::$server->getURLGenerator();
-		$this->dbHandler = $dbHandler ? $dbHandler : new DbHandler(\OC::$server->getDatabaseConnection(), \OC::$server->getL10N('federation'));
-		$this->logger = \OC::$server->getLogger();
-		if ($trustedServers) {
-			$this->trustedServers = $trustedServers;
-		} else {
-			$this->trustedServers = new TrustedServers(
-				$this->dbHandler,
-				\OC::$server->getHTTPClientService(),
-				$this->logger,
-				$this->jobList,
-				\OC::$server->getSecureRandom(),
-				\OC::$server->getConfig(),
-				\OC::$server->getEventDispatcher()
-			);
-		}
-	}
-
-
-	/**
-	 * run the job, then remove it from the joblist
-	 *
-	 * @param JobList $jobList
-	 * @param ILogger $logger
-	 */
-	public function execute($jobList, ILogger $logger = null) {
-		$target = $this->argument['url'];
-		// only execute if target is still in the list of trusted domains
-		if ($this->trustedServers->isTrustedServer($target)) {
-			$this->parentExecute($jobList, $logger);
-		}
-
-		if (!$this->retainJob) {
-			$jobList->remove($this, $this->argument);
-		}
-	}
-
-	/**
-	 * call execute() method of parent
-	 *
-	 * @param JobList $jobList
-	 * @param ILogger $logger
-	 */
-	protected function parentExecute($jobList, $logger) {
-		parent::execute($jobList, $logger);
-	}
-
-	protected function run($argument) {
-
-		$target = $argument['url'];
-		$source = $this->urlGenerator->getAbsoluteURL('/');
-		$source = rtrim($source, '/');
-		$token = $argument['token'];
-
-		try {
-			$result = $this->httpClient->post(
-				$target . $this->endPoint,
-				[
-					'body' => [
-						'url' => $source,
-						'token' => $token,
-					],
-					'timeout' => 3,
-					'connect_timeout' => 3,
-				]
-			);
-
-			$status = $result->getStatusCode();
-
-		} catch (ClientException $e) {
-			$status = $e->getCode();
-			if ($status === Http::STATUS_FORBIDDEN) {
-				$this->logger->info($target . ' refused to ask for a shared secret.', ['app' => 'federation']);
-			} else {
-				$this->logger->logException($e, ['app' => 'federation']);
-			}
-		} catch (\Exception $e) {
-			$status = Http::STATUS_INTERNAL_SERVER_ERROR;
-			$this->logger->logException($e, ['app' => 'federation']);
-		}
-
-		// if we received a unexpected response we try again later
-		if (
-			$status !== Http::STATUS_OK
-			&& $status !== Http::STATUS_FORBIDDEN
-		) {
-			$this->retainJob = true;
-		}
-
-		if ($status === Http::STATUS_FORBIDDEN) {
-			// clear token if remote server refuses to ask for shared secret
-			$this->dbHandler->addToken($target, '');
-		}
-
-	}
+    /** @var IClient */
+    private $httpClient;
+
+    /** @var IJobList */
+    private $jobList;
+
+    /** @var IURLGenerator */
+    private $urlGenerator;
+
+    /** @var DbHandler */
+    private $dbHandler;
+
+    /** @var TrustedServers */
+    private $trustedServers;
+
+    private $endPoint = '/ocs/v2.php/apps/federation/api/v1/request-shared-secret?format=json';
+
+    /** @var ILogger */
+    private $logger;
+
+    /** @var bool */
+    protected $retainJob = false;
+
+    /**
+     * RequestSharedSecret constructor.
+     *
+     * @param IClient $httpClient
+     * @param IURLGenerator $urlGenerator
+     * @param IJobList $jobList
+     * @param TrustedServers $trustedServers
+     * @param DbHandler $dbHandler
+     */
+    public function __construct(
+        IClient $httpClient = null,
+        IURLGenerator $urlGenerator = null,
+        IJobList $jobList = null,
+        TrustedServers $trustedServers = null,
+        DbHandler $dbHandler = null
+    ) {
+        $this->httpClient = $httpClient ? $httpClient : \OC::$server->getHTTPClientService()->newClient();
+        $this->jobList = $jobList ? $jobList : \OC::$server->getJobList();
+        $this->urlGenerator = $urlGenerator ? $urlGenerator : \OC::$server->getURLGenerator();
+        $this->dbHandler = $dbHandler ? $dbHandler : new DbHandler(\OC::$server->getDatabaseConnection(), \OC::$server->getL10N('federation'));
+        $this->logger = \OC::$server->getLogger();
+        if ($trustedServers) {
+            $this->trustedServers = $trustedServers;
+        } else {
+            $this->trustedServers = new TrustedServers(
+                $this->dbHandler,
+                \OC::$server->getHTTPClientService(),
+                $this->logger,
+                $this->jobList,
+                \OC::$server->getSecureRandom(),
+                \OC::$server->getConfig(),
+                \OC::$server->getEventDispatcher()
+            );
+        }
+    }
+
+
+    /**
+     * run the job, then remove it from the joblist
+     *
+     * @param JobList $jobList
+     * @param ILogger $logger
+     */
+    public function execute($jobList, ILogger $logger = null) {
+        $target = $this->argument['url'];
+        // only execute if target is still in the list of trusted domains
+        if ($this->trustedServers->isTrustedServer($target)) {
+            $this->parentExecute($jobList, $logger);
+        }
+
+        if (!$this->retainJob) {
+            $jobList->remove($this, $this->argument);
+        }
+    }
+
+    /**
+     * call execute() method of parent
+     *
+     * @param JobList $jobList
+     * @param ILogger $logger
+     */
+    protected function parentExecute($jobList, $logger) {
+        parent::execute($jobList, $logger);
+    }
+
+    protected function run($argument) {
+
+        $target = $argument['url'];
+        $source = $this->urlGenerator->getAbsoluteURL('/');
+        $source = rtrim($source, '/');
+        $token = $argument['token'];
+
+        try {
+            $result = $this->httpClient->post(
+                $target . $this->endPoint,
+                [
+                    'body' => [
+                        'url' => $source,
+                        'token' => $token,
+                    ],
+                    'timeout' => 3,
+                    'connect_timeout' => 3,
+                ]
+            );
+
+            $status = $result->getStatusCode();
+
+        } catch (ClientException $e) {
+            $status = $e->getCode();
+            if ($status === Http::STATUS_FORBIDDEN) {
+                $this->logger->info($target . ' refused to ask for a shared secret.', ['app' => 'federation']);
+            } else {
+                $this->logger->logException($e, ['app' => 'federation']);
+            }
+        } catch (\Exception $e) {
+            $status = Http::STATUS_INTERNAL_SERVER_ERROR;
+            $this->logger->logException($e, ['app' => 'federation']);
+        }
+
+        // if we received a unexpected response we try again later
+        if (
+            $status !== Http::STATUS_OK
+            && $status !== Http::STATUS_FORBIDDEN
+        ) {
+            $this->retainJob = true;
+        }
+
+        if ($status === Http::STATUS_FORBIDDEN) {
+            // clear token if remote server refuses to ask for shared secret
+            $this->dbHandler->addToken($target, '');
+        }
+
+    }
 }

apps/federation/lib/Settings/Admin.php

Indentation +31 added lines, -31 removed lines

@@ -29,41 +29,41 @@
 
 class Admin implements ISettings {
 
-	/** @var TrustedServers */
-	private $trustedServers;
+    /** @var TrustedServers */
+    private $trustedServers;
 
-	public function __construct(TrustedServers $trustedServers) {
-		$this->trustedServers = $trustedServers;
-	}
+    public function __construct(TrustedServers $trustedServers) {
+        $this->trustedServers = $trustedServers;
+    }
 
-	/**
-	 * @return TemplateResponse
-	 */
-	public function getForm() {
-		$parameters = [
-			'trustedServers' => $this->trustedServers->getServers(),
-			'autoAddServers' => $this->trustedServers->getAutoAddServers(),
-		];
+    /**
+     * @return TemplateResponse
+     */
+    public function getForm() {
+        $parameters = [
+            'trustedServers' => $this->trustedServers->getServers(),
+            'autoAddServers' => $this->trustedServers->getAutoAddServers(),
+        ];
 
-		return new TemplateResponse('federation', 'settings-admin', $parameters, '');
-	}
+        return new TemplateResponse('federation', 'settings-admin', $parameters, '');
+    }
 
-	/**
-	 * @return string the section ID, e.g. 'sharing'
-	 */
-	public function getSection() {
-		return 'sharing';
-	}
+    /**
+     * @return string the section ID, e.g. 'sharing'
+     */
+    public function getSection() {
+        return 'sharing';
+    }
 
-	/**
-	 * @return int whether the form should be rather on the top or bottom of
-	 * the admin section. The forms are arranged in ascending order of the
-	 * priority values. It is required to return a value between 0 and 100.
-	 *
-	 * E.g.: 70
-	 */
-	public function getPriority() {
-		return 30;
-	}
+    /**
+     * @return int whether the form should be rather on the top or bottom of
+     * the admin section. The forms are arranged in ascending order of the
+     * priority values. It is required to return a value between 0 and 100.
+     *
+     * E.g.: 70
+     */
+    public function getPriority() {
+        return 30;
+    }
 
 }

apps/federation/lib/Hooks.php

Indentation +20 added lines, -20 removed lines

@@ -27,25 +27,25 @@
 
 class Hooks {
 
-	/** @var TrustedServers */
-	private $trustedServers;
-
-	public function __construct(TrustedServers $trustedServers) {
-		$this->trustedServers = $trustedServers;
-	}
-
-	/**
-	 * add servers to the list of trusted servers once a federated share was established
-	 *
-	 * @param array $params
-	 */
-	public function addServerHook($params) {
-		if (
-			$this->trustedServers->getAutoAddServers() === true &&
-			$this->trustedServers->isTrustedServer($params['server']) === false
-		) {
-			$this->trustedServers->addServer($params['server']);
-		}
-	}
+    /** @var TrustedServers */
+    private $trustedServers;
+
+    public function __construct(TrustedServers $trustedServers) {
+        $this->trustedServers = $trustedServers;
+    }
+
+    /**
+     * add servers to the list of trusted servers once a federated share was established
+     *
+     * @param array $params
+     */
+    public function addServerHook($params) {
+        if (
+            $this->trustedServers->getAutoAddServers() === true &&
+            $this->trustedServers->isTrustedServer($params['server']) === false
+        ) {
+            $this->trustedServers->addServer($params['server']);
+        }
+    }
 
 }

apps/federation/lib/Middleware/AddServerMiddleware.php

Indentation +31 added lines, -31 removed lines

@@ -33,42 +33,42 @@
 
 class AddServerMiddleware extends Middleware {
 
-	/** @var  string */
-	protected $appName;
+    /** @var  string */
+    protected $appName;
 
-	/** @var  IL10N */
-	protected $l;
+    /** @var  IL10N */
+    protected $l;
 
-	/** @var  ILogger */
-	protected $logger;
+    /** @var  ILogger */
+    protected $logger;
 
-	public function __construct($appName, IL10N $l, ILogger $logger) {
-		$this->appName = $appName;
-		$this->l = $l;
-		$this->logger = $logger;
-	}
+    public function __construct($appName, IL10N $l, ILogger $logger) {
+        $this->appName = $appName;
+        $this->l = $l;
+        $this->logger = $logger;
+    }
 
-	/**
-	 * Log error message and return a response which can be displayed to the user
-	 *
-	 * @param \OCP\AppFramework\Controller $controller
-	 * @param string $methodName
-	 * @param \Exception $exception
-	 * @return JSONResponse
-	 */
-	public function afterException($controller, $methodName, \Exception $exception) {
-		$this->logger->error($exception->getMessage(), ['app' => $this->appName]);
-		if ($exception instanceof HintException) {
-			$message = $exception->getHint();
-		} else {
-			$message = $exception->getMessage();
-		}
+    /**
+     * Log error message and return a response which can be displayed to the user
+     *
+     * @param \OCP\AppFramework\Controller $controller
+     * @param string $methodName
+     * @param \Exception $exception
+     * @return JSONResponse
+     */
+    public function afterException($controller, $methodName, \Exception $exception) {
+        $this->logger->error($exception->getMessage(), ['app' => $this->appName]);
+        if ($exception instanceof HintException) {
+            $message = $exception->getHint();
+        } else {
+            $message = $exception->getMessage();
+        }
 
-		return new JSONResponse(
-			['message' => $message],
-			Http::STATUS_BAD_REQUEST
-		);
+        return new JSONResponse(
+            ['message' => $message],
+            Http::STATUS_BAD_REQUEST
+        );
 
-	}
+    }
 
 }

apps/federation/lib/DbHandler.php

Indentation +275 added lines, -275 removed lines

@@ -42,280 +42,280 @@
  */
 class DbHandler {
 
-	/** @var  IDBConnection */
-	private $connection;
-
-	/** @var  IL10N */
-	private $IL10N;
-
-	/** @var string  */
-	private $dbTable = 'trusted_servers';
-
-	/**
-	 * @param IDBConnection $connection
-	 * @param IL10N $il10n
-	 */
-	public function __construct(
-		IDBConnection $connection,
-		IL10N $il10n
-	) {
-		$this->connection = $connection;
-		$this->IL10N = $il10n;
-	}
-
-	/**
-	 * add server to the list of trusted servers
-	 *
-	 * @param string $url
-	 * @return int
-	 * @throws HintException
-	 */
-	public function addServer($url) {
-		$hash = $this->hash($url);
-		$url = rtrim($url, '/');
-		$query = $this->connection->getQueryBuilder();
-		$query->insert($this->dbTable)
-			->values(
-				[
-					'url' =>  $query->createParameter('url'),
-					'url_hash' => $query->createParameter('url_hash'),
-				]
-			)
-			->setParameter('url', $url)
-			->setParameter('url_hash', $hash);
-
-		$result = $query->execute();
-
-		if ($result) {
-			return (int)$this->connection->lastInsertId('*PREFIX*'.$this->dbTable);
-		} else {
-			$message = 'Internal failure, Could not add trusted server: ' . $url;
-			$message_t = $this->IL10N->t('Could not add server');
-			throw new HintException($message, $message_t);
-		}
-	}
-
-	/**
-	 * remove server from the list of trusted servers
-	 *
-	 * @param int $id
-	 */
-	public function removeServer($id) {
-		$query = $this->connection->getQueryBuilder();
-		$query->delete($this->dbTable)
-			->where($query->expr()->eq('id', $query->createParameter('id')))
-			->setParameter('id', $id);
-		$query->execute();
-	}
-
-	/**
-	 * get trusted server with given ID
-	 *
-	 * @param int $id
-	 * @return array
-	 * @throws \Exception
-	 */
-	public function getServerById($id) {
-		$query = $this->connection->getQueryBuilder();
-		$query->select('*')->from($this->dbTable)
-			->where($query->expr()->eq('id', $query->createParameter('id')))
-			->setParameter('id', $id);
-		$query->execute();
-		$result = $query->execute()->fetchAll();
-
-		if (empty($result)) {
-			throw new \Exception('No Server found with ID: ' . $id);
-		}
-
-		return $result[0];
-	}
-
-	/**
-	 * get all trusted servers
-	 *
-	 * @return array
-	 */
-	public function getAllServer() {
-		$query = $this->connection->getQueryBuilder();
-		$query->select(['url', 'url_hash', 'id', 'status', 'shared_secret', 'sync_token'])->from($this->dbTable);
-		$result = $query->execute()->fetchAll();
-		return $result;
-	}
-
-	/**
-	 * check if server already exists in the database table
-	 *
-	 * @param string $url
-	 * @return bool
-	 */
-	public function serverExists($url) {
-		$hash = $this->hash($url);
-		$query = $this->connection->getQueryBuilder();
-		$query->select('url')->from($this->dbTable)
-			->where($query->expr()->eq('url_hash', $query->createParameter('url_hash')))
-			->setParameter('url_hash', $hash);
-		$result = $query->execute()->fetchAll();
-
-		return !empty($result);
-	}
-
-	/**
-	 * write token to database. Token is used to exchange the secret
-	 *
-	 * @param string $url
-	 * @param string $token
-	 */
-	public function addToken($url, $token) {
-		$hash = $this->hash($url);
-		$query = $this->connection->getQueryBuilder();
-		$query->update($this->dbTable)
-			->set('token', $query->createParameter('token'))
-			->where($query->expr()->eq('url_hash', $query->createParameter('url_hash')))
-			->setParameter('url_hash', $hash)
-			->setParameter('token', $token);
-		$query->execute();
-	}
-
-	/**
-	 * get token stored in database
-	 *
-	 * @param string $url
-	 * @return string
-	 * @throws \Exception
-	 */
-	public function getToken($url) {
-		$hash = $this->hash($url);
-		$query = $this->connection->getQueryBuilder();
-		$query->select('token')->from($this->dbTable)
-			->where($query->expr()->eq('url_hash', $query->createParameter('url_hash')))
-			->setParameter('url_hash', $hash);
-
-		$result = $query->execute()->fetch();
-
-		if (!isset($result['token'])) {
-			throw new \Exception('No token found for: ' . $url);
-		}
-
-		return $result['token'];
-	}
-
-	/**
-	 * add shared Secret to database
-	 *
-	 * @param string $url
-	 * @param string $sharedSecret
-	 */
-	public function addSharedSecret($url, $sharedSecret) {
-		$hash = $this->hash($url);
-		$query = $this->connection->getQueryBuilder();
-		$query->update($this->dbTable)
-			->set('shared_secret', $query->createParameter('sharedSecret'))
-			->where($query->expr()->eq('url_hash', $query->createParameter('url_hash')))
-			->setParameter('url_hash', $hash)
-			->setParameter('sharedSecret', $sharedSecret);
-		$query->execute();
-	}
-
-	/**
-	 * get shared secret from database
-	 *
-	 * @param string $url
-	 * @return string
-	 */
-	public function getSharedSecret($url) {
-		$hash = $this->hash($url);
-		$query = $this->connection->getQueryBuilder();
-		$query->select('shared_secret')->from($this->dbTable)
-			->where($query->expr()->eq('url_hash', $query->createParameter('url_hash')))
-			->setParameter('url_hash', $hash);
-
-		$result = $query->execute()->fetch();
-		return $result['shared_secret'];
-	}
-
-	/**
-	 * set server status
-	 *
-	 * @param string $url
-	 * @param int $status
-	 * @param string|null $token
-	 */
-	public function setServerStatus($url, $status, $token = null) {
-		$hash = $this->hash($url);
-		$query = $this->connection->getQueryBuilder();
-		$query->update($this->dbTable)
-				->set('status', $query->createNamedParameter($status))
-				->where($query->expr()->eq('url_hash', $query->createNamedParameter($hash)));
-		if (!is_null($token)) {
-			$query->set('sync_token', $query->createNamedParameter($token));
-		}
-		$query->execute();
-	}
-
-	/**
-	 * get server status
-	 *
-	 * @param string $url
-	 * @return int
-	 */
-	public function getServerStatus($url) {
-		$hash = $this->hash($url);
-		$query = $this->connection->getQueryBuilder();
-		$query->select('status')->from($this->dbTable)
-				->where($query->expr()->eq('url_hash', $query->createParameter('url_hash')))
-				->setParameter('url_hash', $hash);
-
-		$result = $query->execute()->fetch();
-		return (int)$result['status'];
-	}
-
-	/**
-	 * create hash from URL
-	 *
-	 * @param string $url
-	 * @return string
-	 */
-	protected function hash($url) {
-		$normalized = $this->normalizeUrl($url);
-		return sha1($normalized);
-	}
-
-	/**
-	 * normalize URL, used to create the sha1 hash
-	 *
-	 * @param string $url
-	 * @return string
-	 */
-	protected function normalizeUrl($url) {
-		$normalized = $url;
-
-		if (strpos($url, 'https://') === 0) {
-			$normalized = substr($url, strlen('https://'));
-		} else if (strpos($url, 'http://') === 0) {
-			$normalized = substr($url, strlen('http://'));
-		}
-
-		$normalized = Filesystem::normalizePath($normalized);
-		$normalized = trim($normalized, '/');
-
-		return $normalized;
-	}
-
-	/**
-	 * @param $username
-	 * @param $password
-	 * @return bool
-	 */
-	public function auth($username, $password) {
-		if ($username !== 'system') {
-			return false;
-		}
-		$query = $this->connection->getQueryBuilder();
-		$query->select('url')->from($this->dbTable)
-				->where($query->expr()->eq('shared_secret', $query->createNamedParameter($password)));
-
-		$result = $query->execute()->fetch();
-		return !empty($result);
-	}
+    /** @var  IDBConnection */
+    private $connection;
+
+    /** @var  IL10N */
+    private $IL10N;
+
+    /** @var string  */
+    private $dbTable = 'trusted_servers';
+
+    /**
+     * @param IDBConnection $connection
+     * @param IL10N $il10n
+     */
+    public function __construct(
+        IDBConnection $connection,
+        IL10N $il10n
+    ) {
+        $this->connection = $connection;
+        $this->IL10N = $il10n;
+    }
+
+    /**
+     * add server to the list of trusted servers
+     *
+     * @param string $url
+     * @return int
+     * @throws HintException
+     */
+    public function addServer($url) {
+        $hash = $this->hash($url);
+        $url = rtrim($url, '/');
+        $query = $this->connection->getQueryBuilder();
+        $query->insert($this->dbTable)
+            ->values(
+                [
+                    'url' =>  $query->createParameter('url'),
+                    'url_hash' => $query->createParameter('url_hash'),
+                ]
+            )
+            ->setParameter('url', $url)
+            ->setParameter('url_hash', $hash);
+
+        $result = $query->execute();
+
+        if ($result) {
+            return (int)$this->connection->lastInsertId('*PREFIX*'.$this->dbTable);
+        } else {
+            $message = 'Internal failure, Could not add trusted server: ' . $url;
+            $message_t = $this->IL10N->t('Could not add server');
+            throw new HintException($message, $message_t);
+        }
+    }
+
+    /**
+     * remove server from the list of trusted servers
+     *
+     * @param int $id
+     */
+    public function removeServer($id) {
+        $query = $this->connection->getQueryBuilder();
+        $query->delete($this->dbTable)
+            ->where($query->expr()->eq('id', $query->createParameter('id')))
+            ->setParameter('id', $id);
+        $query->execute();
+    }
+
+    /**
+     * get trusted server with given ID
+     *
+     * @param int $id
+     * @return array
+     * @throws \Exception
+     */
+    public function getServerById($id) {
+        $query = $this->connection->getQueryBuilder();
+        $query->select('*')->from($this->dbTable)
+            ->where($query->expr()->eq('id', $query->createParameter('id')))
+            ->setParameter('id', $id);
+        $query->execute();
+        $result = $query->execute()->fetchAll();
+
+        if (empty($result)) {
+            throw new \Exception('No Server found with ID: ' . $id);
+        }
+
+        return $result[0];
+    }
+
+    /**
+     * get all trusted servers
+     *
+     * @return array
+     */
+    public function getAllServer() {
+        $query = $this->connection->getQueryBuilder();
+        $query->select(['url', 'url_hash', 'id', 'status', 'shared_secret', 'sync_token'])->from($this->dbTable);
+        $result = $query->execute()->fetchAll();
+        return $result;
+    }
+
+    /**
+     * check if server already exists in the database table
+     *
+     * @param string $url
+     * @return bool
+     */
+    public function serverExists($url) {
+        $hash = $this->hash($url);
+        $query = $this->connection->getQueryBuilder();
+        $query->select('url')->from($this->dbTable)
+            ->where($query->expr()->eq('url_hash', $query->createParameter('url_hash')))
+            ->setParameter('url_hash', $hash);
+        $result = $query->execute()->fetchAll();
+
+        return !empty($result);
+    }
+
+    /**
+     * write token to database. Token is used to exchange the secret
+     *
+     * @param string $url
+     * @param string $token
+     */
+    public function addToken($url, $token) {
+        $hash = $this->hash($url);
+        $query = $this->connection->getQueryBuilder();
+        $query->update($this->dbTable)
+            ->set('token', $query->createParameter('token'))
+            ->where($query->expr()->eq('url_hash', $query->createParameter('url_hash')))
+            ->setParameter('url_hash', $hash)
+            ->setParameter('token', $token);
+        $query->execute();
+    }
+
+    /**
+     * get token stored in database
+     *
+     * @param string $url
+     * @return string
+     * @throws \Exception
+     */
+    public function getToken($url) {
+        $hash = $this->hash($url);
+        $query = $this->connection->getQueryBuilder();
+        $query->select('token')->from($this->dbTable)
+            ->where($query->expr()->eq('url_hash', $query->createParameter('url_hash')))
+            ->setParameter('url_hash', $hash);
+
+        $result = $query->execute()->fetch();
+
+        if (!isset($result['token'])) {
+            throw new \Exception('No token found for: ' . $url);
+        }
+
+        return $result['token'];
+    }
+
+    /**
+     * add shared Secret to database
+     *
+     * @param string $url
+     * @param string $sharedSecret
+     */
+    public function addSharedSecret($url, $sharedSecret) {
+        $hash = $this->hash($url);
+        $query = $this->connection->getQueryBuilder();
+        $query->update($this->dbTable)
+            ->set('shared_secret', $query->createParameter('sharedSecret'))
+            ->where($query->expr()->eq('url_hash', $query->createParameter('url_hash')))
+            ->setParameter('url_hash', $hash)
+            ->setParameter('sharedSecret', $sharedSecret);
+        $query->execute();
+    }
+
+    /**
+     * get shared secret from database
+     *
+     * @param string $url
+     * @return string
+     */
+    public function getSharedSecret($url) {
+        $hash = $this->hash($url);
+        $query = $this->connection->getQueryBuilder();
+        $query->select('shared_secret')->from($this->dbTable)
+            ->where($query->expr()->eq('url_hash', $query->createParameter('url_hash')))
+            ->setParameter('url_hash', $hash);
+
+        $result = $query->execute()->fetch();
+        return $result['shared_secret'];
+    }
+
+    /**
+     * set server status
+     *
+     * @param string $url
+     * @param int $status
+     * @param string|null $token
+     */
+    public function setServerStatus($url, $status, $token = null) {
+        $hash = $this->hash($url);
+        $query = $this->connection->getQueryBuilder();
+        $query->update($this->dbTable)
+                ->set('status', $query->createNamedParameter($status))
+                ->where($query->expr()->eq('url_hash', $query->createNamedParameter($hash)));
+        if (!is_null($token)) {
+            $query->set('sync_token', $query->createNamedParameter($token));
+        }
+        $query->execute();
+    }
+
+    /**
+     * get server status
+     *
+     * @param string $url
+     * @return int
+     */
+    public function getServerStatus($url) {
+        $hash = $this->hash($url);
+        $query = $this->connection->getQueryBuilder();
+        $query->select('status')->from($this->dbTable)
+                ->where($query->expr()->eq('url_hash', $query->createParameter('url_hash')))
+                ->setParameter('url_hash', $hash);
+
+        $result = $query->execute()->fetch();
+        return (int)$result['status'];
+    }
+
+    /**
+     * create hash from URL
+     *
+     * @param string $url
+     * @return string
+     */
+    protected function hash($url) {
+        $normalized = $this->normalizeUrl($url);
+        return sha1($normalized);
+    }
+
+    /**
+     * normalize URL, used to create the sha1 hash
+     *
+     * @param string $url
+     * @return string
+     */
+    protected function normalizeUrl($url) {
+        $normalized = $url;
+
+        if (strpos($url, 'https://') === 0) {
+            $normalized = substr($url, strlen('https://'));
+        } else if (strpos($url, 'http://') === 0) {
+            $normalized = substr($url, strlen('http://'));
+        }
+
+        $normalized = Filesystem::normalizePath($normalized);
+        $normalized = trim($normalized, '/');
+
+        return $normalized;
+    }
+
+    /**
+     * @param $username
+     * @param $password
+     * @return bool
+     */
+    public function auth($username, $password) {
+        if ($username !== 'system') {
+            return false;
+        }
+        $query = $this->connection->getQueryBuilder();
+        $query->select('url')->from($this->dbTable)
+                ->where($query->expr()->eq('shared_secret', $query->createNamedParameter($password)));
+
+        $result = $query->execute()->fetch();
+        return !empty($result);
+    }
 
 }