nextcloud / server

apps/files_external/lib/Lib/DefinitionParameter.php

Indentation +167 added lines, -167 removed lines

@@ -27,171 +27,171 @@
  * Parameter for an external storage definition
  */
 class DefinitionParameter implements \JsonSerializable {
-	// placeholder value for password fields, when the client updates a storage configuration
-	// placeholder values are ignored and the field is left unmodified
-	const UNMODIFIED_PLACEHOLDER = '__unmodified__';
-
-	/** Value constants */
-	const VALUE_TEXT = 0;
-	const VALUE_BOOLEAN = 1;
-	const VALUE_PASSWORD = 2;
-	const VALUE_HIDDEN = 3;
-
-	/** Flag constants */
-	const FLAG_NONE = 0;
-	const FLAG_OPTIONAL = 1;
-	const FLAG_USER_PROVIDED = 2;
-
-	/** @var string name of parameter */
-	private $name;
-
-	/** @var string human-readable parameter text */
-	private $text;
-
-	/** @var int value type, see self::VALUE_* constants */
-	private $type = self::VALUE_TEXT;
-
-	/** @var int flags, see self::FLAG_* constants */
-	private $flags = self::FLAG_NONE;
-
-	/**
-	 * @param string $name
-	 * @param string $text
-	 */
-	public function __construct($name, $text) {
-		$this->name = $name;
-		$this->text = $text;
-	}
-
-	/**
-	 * @return string
-	 */
-	public function getName() {
-		return $this->name;
-	}
-
-	/**
-	 * @return string
-	 */
-	public function getText() {
-		return $this->text;
-	}
-
-	/**
-	 * Get value type
-	 *
-	 * @return int
-	 */
-	public function getType() {
-		return $this->type;
-	}
-
-	/**
-	 * Set value type
-	 *
-	 * @param int $type
-	 * @return self
-	 */
-	public function setType($type) {
-		$this->type = $type;
-		return $this;
-	}
-
-	/**
-	 * @return string
-	 */
-	public function getTypeName() {
-		switch ($this->type) {
-			case self::VALUE_BOOLEAN:
-				return 'boolean';
-			case self::VALUE_TEXT:
-				return 'text';
-			case self::VALUE_PASSWORD:
-				return 'password';
-			default:
-				return 'unknown';
-		}
-	}
-
-	/**
-	 * @return int
-	 */
-	public function getFlags() {
-		return $this->flags;
-	}
-
-	/**
-	 * @param int $flags
-	 * @return self
-	 */
-	public function setFlags($flags) {
-		$this->flags = $flags;
-		return $this;
-	}
-
-	/**
-	 * @param int $flag
-	 * @return self
-	 */
-	public function setFlag($flag) {
-		$this->flags |= $flag;
-		return $this;
-	}
-
-	/**
-	 * @param int $flag
-	 * @return bool
-	 */
-	public function isFlagSet($flag) {
-		return (bool)($this->flags & $flag);
-	}
-
-	/**
-	 * Serialize into JSON for client-side JS
-	 *
-	 * @return string
-	 */
-	public function jsonSerialize() {
-		return [
-			'value' => $this->getText(),
-			'flags' => $this->getFlags(),
-			'type' => $this->getType()
-		];
-	}
-
-	public function isOptional() {
-		return $this->isFlagSet(self::FLAG_OPTIONAL) || $this->isFlagSet(self::FLAG_USER_PROVIDED);
-	}
-
-	/**
-	 * Validate a parameter value against this
-	 * Convert type as necessary
-	 *
-	 * @param mixed $value Value to check
-	 * @return bool success
-	 */
-	public function validateValue(&$value) {
-		switch ($this->getType()) {
-			case self::VALUE_BOOLEAN:
-				if (!is_bool($value)) {
-					switch ($value) {
-						case 'true':
-							$value = true;
-							break;
-						case 'false':
-							$value = false;
-							break;
-						default:
-							return false;
-					}
-				}
-				break;
-			default:
-				if (!$value && !$this->isOptional()) {
-					return false;
-				}
-				break;
-		}
-		return true;
-	}
+    // placeholder value for password fields, when the client updates a storage configuration
+    // placeholder values are ignored and the field is left unmodified
+    const UNMODIFIED_PLACEHOLDER = '__unmodified__';
+
+    /** Value constants */
+    const VALUE_TEXT = 0;
+    const VALUE_BOOLEAN = 1;
+    const VALUE_PASSWORD = 2;
+    const VALUE_HIDDEN = 3;
+
+    /** Flag constants */
+    const FLAG_NONE = 0;
+    const FLAG_OPTIONAL = 1;
+    const FLAG_USER_PROVIDED = 2;
+
+    /** @var string name of parameter */
+    private $name;
+
+    /** @var string human-readable parameter text */
+    private $text;
+
+    /** @var int value type, see self::VALUE_* constants */
+    private $type = self::VALUE_TEXT;
+
+    /** @var int flags, see self::FLAG_* constants */
+    private $flags = self::FLAG_NONE;
+
+    /**
+     * @param string $name
+     * @param string $text
+     */
+    public function __construct($name, $text) {
+        $this->name = $name;
+        $this->text = $text;
+    }
+
+    /**
+     * @return string
+     */
+    public function getName() {
+        return $this->name;
+    }
+
+    /**
+     * @return string
+     */
+    public function getText() {
+        return $this->text;
+    }
+
+    /**
+     * Get value type
+     *
+     * @return int
+     */
+    public function getType() {
+        return $this->type;
+    }
+
+    /**
+     * Set value type
+     *
+     * @param int $type
+     * @return self
+     */
+    public function setType($type) {
+        $this->type = $type;
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getTypeName() {
+        switch ($this->type) {
+            case self::VALUE_BOOLEAN:
+                return 'boolean';
+            case self::VALUE_TEXT:
+                return 'text';
+            case self::VALUE_PASSWORD:
+                return 'password';
+            default:
+                return 'unknown';
+        }
+    }
+
+    /**
+     * @return int
+     */
+    public function getFlags() {
+        return $this->flags;
+    }
+
+    /**
+     * @param int $flags
+     * @return self
+     */
+    public function setFlags($flags) {
+        $this->flags = $flags;
+        return $this;
+    }
+
+    /**
+     * @param int $flag
+     * @return self
+     */
+    public function setFlag($flag) {
+        $this->flags |= $flag;
+        return $this;
+    }
+
+    /**
+     * @param int $flag
+     * @return bool
+     */
+    public function isFlagSet($flag) {
+        return (bool)($this->flags & $flag);
+    }
+
+    /**
+     * Serialize into JSON for client-side JS
+     *
+     * @return string
+     */
+    public function jsonSerialize() {
+        return [
+            'value' => $this->getText(),
+            'flags' => $this->getFlags(),
+            'type' => $this->getType()
+        ];
+    }
+
+    public function isOptional() {
+        return $this->isFlagSet(self::FLAG_OPTIONAL) || $this->isFlagSet(self::FLAG_USER_PROVIDED);
+    }
+
+    /**
+     * Validate a parameter value against this
+     * Convert type as necessary
+     *
+     * @param mixed $value Value to check
+     * @return bool success
+     */
+    public function validateValue(&$value) {
+        switch ($this->getType()) {
+            case self::VALUE_BOOLEAN:
+                if (!is_bool($value)) {
+                    switch ($value) {
+                        case 'true':
+                            $value = true;
+                            break;
+                        case 'false':
+                            $value = false;
+                            break;
+                        default:
+                            return false;
+                    }
+                }
+                break;
+            default:
+                if (!$value && !$this->isOptional()) {
+                    return false;
+                }
+                break;
+        }
+        return true;
+    }
 }

apps/files_external/lib/Lib/Auth/AuthMechanism.php

Indentation +58 added lines, -58 removed lines

@@ -51,72 +51,72 @@
  *      Object can affect storage mounting
  */
 class AuthMechanism implements \JsonSerializable {
-	/** Standard authentication schemes */
-	const SCHEME_NULL = 'null';
-	const SCHEME_BUILTIN = 'builtin';
-	const SCHEME_PASSWORD = 'password';
-	const SCHEME_OAUTH1 = 'oauth1';
-	const SCHEME_OAUTH2 = 'oauth2';
-	const SCHEME_PUBLICKEY = 'publickey';
-	const SCHEME_OPENSTACK = 'openstack';
-	const SCHEME_SMB = 'smb';
+    /** Standard authentication schemes */
+    const SCHEME_NULL = 'null';
+    const SCHEME_BUILTIN = 'builtin';
+    const SCHEME_PASSWORD = 'password';
+    const SCHEME_OAUTH1 = 'oauth1';
+    const SCHEME_OAUTH2 = 'oauth2';
+    const SCHEME_PUBLICKEY = 'publickey';
+    const SCHEME_OPENSTACK = 'openstack';
+    const SCHEME_SMB = 'smb';
 
-	use VisibilityTrait;
-	use FrontendDefinitionTrait;
-	use StorageModifierTrait;
-	use IdentifierTrait;
+    use VisibilityTrait;
+    use FrontendDefinitionTrait;
+    use StorageModifierTrait;
+    use IdentifierTrait;
 
-	/** @var string */
-	protected $scheme;
+    /** @var string */
+    protected $scheme;
 
-	/**
-	 * Get the authentication scheme implemented
-	 * See self::SCHEME_* constants
-	 *
-	 * @return string
-	 */
-	public function getScheme() {
-		return $this->scheme;
-	}
+    /**
+     * Get the authentication scheme implemented
+     * See self::SCHEME_* constants
+     *
+     * @return string
+     */
+    public function getScheme() {
+        return $this->scheme;
+    }
 
-	/**
-	 * @param string $scheme
-	 * @return $this
-	 */
-	public function setScheme($scheme) {
-		$this->scheme = $scheme;
-		return $this;
-	}
+    /**
+     * @param string $scheme
+     * @return $this
+     */
+    public function setScheme($scheme) {
+        $this->scheme = $scheme;
+        return $this;
+    }
 
-	/**
-	 * Serialize into JSON for client-side JS
-	 *
-	 * @return array
-	 */
-	public function jsonSerialize() {
-		$data = $this->jsonSerializeDefinition();
-		$data += $this->jsonSerializeIdentifier();
+    /**
+     * Serialize into JSON for client-side JS
+     *
+     * @return array
+     */
+    public function jsonSerialize() {
+        $data = $this->jsonSerializeDefinition();
+        $data += $this->jsonSerializeIdentifier();
 
-		$data['scheme'] = $this->getScheme();
-		$data['visibility'] = $this->getVisibility();
+        $data['scheme'] = $this->getScheme();
+        $data['visibility'] = $this->getVisibility();
 
-		return $data;
-	}
+        return $data;
+    }
 
-	/**
-	 * Check if parameters are satisfied in a StorageConfig
-	 *
-	 * @param StorageConfig $storage
-	 * @return bool
-	 */
-	public function validateStorage(StorageConfig $storage) {
-		// does the backend actually support this scheme
-		$supportedSchemes = $storage->getBackend()->getAuthSchemes();
-		if (!isset($supportedSchemes[$this->getScheme()])) {
-			return false;
-		}
+    /**
+     * Check if parameters are satisfied in a StorageConfig
+     *
+     * @param StorageConfig $storage
+     * @return bool
+     */
+    public function validateStorage(StorageConfig $storage) {
+        // does the backend actually support this scheme
+        $supportedSchemes = $storage->getBackend()->getAuthSchemes();
+        if (!isset($supportedSchemes[$this->getScheme()])) {
+            return false;
+        }
 
-		return $this->validateStorageDefinition($storage);
-	}
+        return $this->validateStorageDefinition($storage);
+    }
 
 }

apps/files_external/lib/Controller/StoragesController.php

Indentation +291 added lines, -291 removed lines

@@ -49,320 +49,320 @@
  */
 abstract class StoragesController extends Controller {
 
-	/**
-	 * L10N service
-	 *
-	 * @var IL10N
-	 */
-	protected $l10n;
+    /**
+     * L10N service
+     *
+     * @var IL10N
+     */
+    protected $l10n;
 
-	/**
-	 * Storages service
-	 *
-	 * @var StoragesService
-	 */
-	protected $service;
+    /**
+     * Storages service
+     *
+     * @var StoragesService
+     */
+    protected $service;
 
-	/**
-	 * @var ILogger
-	 */
-	protected $logger;
+    /**
+     * @var ILogger
+     */
+    protected $logger;
 
-	/**
-	 * Creates a new storages controller.
-	 *
-	 * @param string $AppName application name
-	 * @param IRequest $request request object
-	 * @param IL10N $l10n l10n service
-	 * @param StoragesService $storagesService storage service
-	 * @param ILogger $logger
-	 */
-	public function __construct(
-		$AppName,
-		IRequest $request,
-		IL10N $l10n,
-		StoragesService $storagesService,
-		ILogger $logger
-	) {
-		parent::__construct($AppName, $request);
-		$this->l10n = $l10n;
-		$this->service = $storagesService;
-		$this->logger = $logger;
-	}
+    /**
+     * Creates a new storages controller.
+     *
+     * @param string $AppName application name
+     * @param IRequest $request request object
+     * @param IL10N $l10n l10n service
+     * @param StoragesService $storagesService storage service
+     * @param ILogger $logger
+     */
+    public function __construct(
+        $AppName,
+        IRequest $request,
+        IL10N $l10n,
+        StoragesService $storagesService,
+        ILogger $logger
+    ) {
+        parent::__construct($AppName, $request);
+        $this->l10n = $l10n;
+        $this->service = $storagesService;
+        $this->logger = $logger;
+    }
 
-	/**
-	 * Create a storage from its parameters
-	 *
-	 * @param string $mountPoint storage mount point
-	 * @param string $backend backend identifier
-	 * @param string $authMechanism authentication mechanism identifier
-	 * @param array $backendOptions backend-specific options
-	 * @param array|null $mountOptions mount-specific options
-	 * @param array|null $applicableUsers users for which to mount the storage
-	 * @param array|null $applicableGroups groups for which to mount the storage
-	 * @param int|null $priority priority
-	 *
-	 * @return StorageConfig|DataResponse
-	 */
-	protected function createStorage(
-		$mountPoint,
-		$backend,
-		$authMechanism,
-		$backendOptions,
-		$mountOptions = null,
-		$applicableUsers = null,
-		$applicableGroups = null,
-		$priority = null
-	) {
-		try {
-			return $this->service->createStorage(
-				$mountPoint,
-				$backend,
-				$authMechanism,
-				$backendOptions,
-				$mountOptions,
-				$applicableUsers,
-				$applicableGroups,
-				$priority
-			);
-		} catch (\InvalidArgumentException $e) {
-			$this->logger->logException($e);
-			return new DataResponse(
-				[
-					'message' => (string)$this->l10n->t('Invalid backend or authentication mechanism class')
-				],
-				Http::STATUS_UNPROCESSABLE_ENTITY
-			);
-		}
-	}
+    /**
+     * Create a storage from its parameters
+     *
+     * @param string $mountPoint storage mount point
+     * @param string $backend backend identifier
+     * @param string $authMechanism authentication mechanism identifier
+     * @param array $backendOptions backend-specific options
+     * @param array|null $mountOptions mount-specific options
+     * @param array|null $applicableUsers users for which to mount the storage
+     * @param array|null $applicableGroups groups for which to mount the storage
+     * @param int|null $priority priority
+     *
+     * @return StorageConfig|DataResponse
+     */
+    protected function createStorage(
+        $mountPoint,
+        $backend,
+        $authMechanism,
+        $backendOptions,
+        $mountOptions = null,
+        $applicableUsers = null,
+        $applicableGroups = null,
+        $priority = null
+    ) {
+        try {
+            return $this->service->createStorage(
+                $mountPoint,
+                $backend,
+                $authMechanism,
+                $backendOptions,
+                $mountOptions,
+                $applicableUsers,
+                $applicableGroups,
+                $priority
+            );
+        } catch (\InvalidArgumentException $e) {
+            $this->logger->logException($e);
+            return new DataResponse(
+                [
+                    'message' => (string)$this->l10n->t('Invalid backend or authentication mechanism class')
+                ],
+                Http::STATUS_UNPROCESSABLE_ENTITY
+            );
+        }
+    }
 
-	/**
-	 * Validate storage config
-	 *
-	 * @param StorageConfig $storage storage config
-	 *1
-	 * @return DataResponse|null returns response in case of validation error
-	 */
-	protected function validate(StorageConfig $storage) {
-		$mountPoint = $storage->getMountPoint();
-		if ($mountPoint === '') {
-			return new DataResponse(
-				[
-					'message' => (string)$this->l10n->t('Invalid mount point'),
-				],
-				Http::STATUS_UNPROCESSABLE_ENTITY
-			);
-		}
+    /**
+     * Validate storage config
+     *
+     * @param StorageConfig $storage storage config
+     *1
+     * @return DataResponse|null returns response in case of validation error
+     */
+    protected function validate(StorageConfig $storage) {
+        $mountPoint = $storage->getMountPoint();
+        if ($mountPoint === '') {
+            return new DataResponse(
+                [
+                    'message' => (string)$this->l10n->t('Invalid mount point'),
+                ],
+                Http::STATUS_UNPROCESSABLE_ENTITY
+            );
+        }
 
-		if ($storage->getBackendOption('objectstore')) {
-			// objectstore must not be sent from client side
-			return new DataResponse(
-				[
-					'message' => (string)$this->l10n->t('Objectstore forbidden'),
-				],
-				Http::STATUS_UNPROCESSABLE_ENTITY
-			);
-		}
+        if ($storage->getBackendOption('objectstore')) {
+            // objectstore must not be sent from client side
+            return new DataResponse(
+                [
+                    'message' => (string)$this->l10n->t('Objectstore forbidden'),
+                ],
+                Http::STATUS_UNPROCESSABLE_ENTITY
+            );
+        }
 
-		/** @var Backend */
-		$backend = $storage->getBackend();
-		/** @var AuthMechanism */
-		$authMechanism = $storage->getAuthMechanism();
-		if ($backend->checkDependencies()) {
-			// invalid backend
-			return new DataResponse(
-				[
-					'message' => (string)$this->l10n->t('Invalid storage backend "%s"', [
-						$backend->getIdentifier(),
-					]),
-				],
-				Http::STATUS_UNPROCESSABLE_ENTITY
-			);
-		}
+        /** @var Backend */
+        $backend = $storage->getBackend();
+        /** @var AuthMechanism */
+        $authMechanism = $storage->getAuthMechanism();
+        if ($backend->checkDependencies()) {
+            // invalid backend
+            return new DataResponse(
+                [
+                    'message' => (string)$this->l10n->t('Invalid storage backend "%s"', [
+                        $backend->getIdentifier(),
+                    ]),
+                ],
+                Http::STATUS_UNPROCESSABLE_ENTITY
+            );
+        }
 
-		if (!$backend->isVisibleFor($this->service->getVisibilityType())) {
-			// not permitted to use backend
-			return new DataResponse(
-				[
-					'message' => (string)$this->l10n->t('Not permitted to use backend "%s"', [
-						$backend->getIdentifier(),
-					]),
-				],
-				Http::STATUS_UNPROCESSABLE_ENTITY
-			);
-		}
-		if (!$authMechanism->isVisibleFor($this->service->getVisibilityType())) {
-			// not permitted to use auth mechanism
-			return new DataResponse(
-				[
-					'message' => (string)$this->l10n->t('Not permitted to use authentication mechanism "%s"', [
-						$authMechanism->getIdentifier(),
-					]),
-				],
-				Http::STATUS_UNPROCESSABLE_ENTITY
-			);
-		}
+        if (!$backend->isVisibleFor($this->service->getVisibilityType())) {
+            // not permitted to use backend
+            return new DataResponse(
+                [
+                    'message' => (string)$this->l10n->t('Not permitted to use backend "%s"', [
+                        $backend->getIdentifier(),
+                    ]),
+                ],
+                Http::STATUS_UNPROCESSABLE_ENTITY
+            );
+        }
+        if (!$authMechanism->isVisibleFor($this->service->getVisibilityType())) {
+            // not permitted to use auth mechanism
+            return new DataResponse(
+                [
+                    'message' => (string)$this->l10n->t('Not permitted to use authentication mechanism "%s"', [
+                        $authMechanism->getIdentifier(),
+                    ]),
+                ],
+                Http::STATUS_UNPROCESSABLE_ENTITY
+            );
+        }
 
-		if (!$backend->validateStorage($storage)) {
-			// unsatisfied parameters
-			return new DataResponse(
-				[
-					'message' => (string)$this->l10n->t('Unsatisfied backend parameters'),
-				],
-				Http::STATUS_UNPROCESSABLE_ENTITY
-			);
-		}
-		if (!$authMechanism->validateStorage($storage)) {
-			// unsatisfied parameters
-			return new DataResponse(
-				[
-					'message' => (string)$this->l10n->t('Unsatisfied authentication mechanism parameters'),
-				],
-				Http::STATUS_UNPROCESSABLE_ENTITY
-			);
-		}
+        if (!$backend->validateStorage($storage)) {
+            // unsatisfied parameters
+            return new DataResponse(
+                [
+                    'message' => (string)$this->l10n->t('Unsatisfied backend parameters'),
+                ],
+                Http::STATUS_UNPROCESSABLE_ENTITY
+            );
+        }
+        if (!$authMechanism->validateStorage($storage)) {
+            // unsatisfied parameters
+            return new DataResponse(
+                [
+                    'message' => (string)$this->l10n->t('Unsatisfied authentication mechanism parameters'),
+                ],
+                Http::STATUS_UNPROCESSABLE_ENTITY
+            );
+        }
 
-		return null;
-	}
+        return null;
+    }
 
-	protected function manipulateStorageConfig(StorageConfig $storage) {
-		/** @var AuthMechanism */
-		$authMechanism = $storage->getAuthMechanism();
-		$authMechanism->manipulateStorageConfig($storage);
-		/** @var Backend */
-		$backend = $storage->getBackend();
-		$backend->manipulateStorageConfig($storage);
-	}
+    protected function manipulateStorageConfig(StorageConfig $storage) {
+        /** @var AuthMechanism */
+        $authMechanism = $storage->getAuthMechanism();
+        $authMechanism->manipulateStorageConfig($storage);
+        /** @var Backend */
+        $backend = $storage->getBackend();
+        $backend->manipulateStorageConfig($storage);
+    }
 
-	/**
-	 * Check whether the given storage is available / valid.
-	 *
-	 * Note that this operation can be time consuming depending
-	 * on whether the remote storage is available or not.
-	 *
-	 * @param StorageConfig $storage storage configuration
-	 * @param bool $testOnly whether to storage should only test the connection or do more things
-	 */
-	protected function updateStorageStatus(StorageConfig &$storage, $testOnly = true) {
-		try {
-			$this->manipulateStorageConfig($storage);
+    /**
+     * Check whether the given storage is available / valid.
+     *
+     * Note that this operation can be time consuming depending
+     * on whether the remote storage is available or not.
+     *
+     * @param StorageConfig $storage storage configuration
+     * @param bool $testOnly whether to storage should only test the connection or do more things
+     */
+    protected function updateStorageStatus(StorageConfig &$storage, $testOnly = true) {
+        try {
+            $this->manipulateStorageConfig($storage);
 
-			/** @var Backend */
-			$backend = $storage->getBackend();
-			// update status (can be time-consuming)
-			$storage->setStatus(
-				\OC_Mount_Config::getBackendStatus(
-					$backend->getStorageClass(),
-					$storage->getBackendOptions(),
-					false,
-					$testOnly
-				)
-			);
-		} catch (InsufficientDataForMeaningfulAnswerException $e) {
-			$status = $e->getCode() ? $e->getCode() : StorageNotAvailableException::STATUS_INDETERMINATE;
-			$storage->setStatus(
-				$status,
-				$this->l10n->t('Insufficient data: %s', [$e->getMessage()])
-			);
-		} catch (StorageNotAvailableException $e) {
-			$storage->setStatus(
-				$e->getCode(),
-				$this->l10n->t('%s', [$e->getMessage()])
-			);
-		} catch (\Exception $e) {
-			// FIXME: convert storage exceptions to StorageNotAvailableException
-			$storage->setStatus(
-				StorageNotAvailableException::STATUS_ERROR,
-				get_class($e) . ': ' . $e->getMessage()
-			);
-		}
-	}
+            /** @var Backend */
+            $backend = $storage->getBackend();
+            // update status (can be time-consuming)
+            $storage->setStatus(
+                \OC_Mount_Config::getBackendStatus(
+                    $backend->getStorageClass(),
+                    $storage->getBackendOptions(),
+                    false,
+                    $testOnly
+                )
+            );
+        } catch (InsufficientDataForMeaningfulAnswerException $e) {
+            $status = $e->getCode() ? $e->getCode() : StorageNotAvailableException::STATUS_INDETERMINATE;
+            $storage->setStatus(
+                $status,
+                $this->l10n->t('Insufficient data: %s', [$e->getMessage()])
+            );
+        } catch (StorageNotAvailableException $e) {
+            $storage->setStatus(
+                $e->getCode(),
+                $this->l10n->t('%s', [$e->getMessage()])
+            );
+        } catch (\Exception $e) {
+            // FIXME: convert storage exceptions to StorageNotAvailableException
+            $storage->setStatus(
+                StorageNotAvailableException::STATUS_ERROR,
+                get_class($e) . ': ' . $e->getMessage()
+            );
+        }
+    }
 
-	/**
-	 * Get all storage entries
-	 *
-	 * @return DataResponse
-	 */
-	public function index() {
-		$storages = $this->formatStoragesForUI($this->service->getStorages());
+    /**
+     * Get all storage entries
+     *
+     * @return DataResponse
+     */
+    public function index() {
+        $storages = $this->formatStoragesForUI($this->service->getStorages());
 
-		return new DataResponse(
-			$storages,
-			Http::STATUS_OK
-		);
-	}
+        return new DataResponse(
+            $storages,
+            Http::STATUS_OK
+        );
+    }
 
-	protected function formatStoragesForUI(array $storages): array {
-		return array_map(function ($storage) {
-			return $this->formatStorageForUI($storage);
-		}, $storages);
-	}
+    protected function formatStoragesForUI(array $storages): array {
+        return array_map(function ($storage) {
+            return $this->formatStorageForUI($storage);
+        }, $storages);
+    }
 
-	protected function formatStorageForUI(StorageConfig $storage): StorageConfig {
-		/** @var DefinitionParameter[] $parameters */
-		$parameters = array_merge($storage->getBackend()->getParameters(), $storage->getAuthMechanism()->getParameters());
+    protected function formatStorageForUI(StorageConfig $storage): StorageConfig {
+        /** @var DefinitionParameter[] $parameters */
+        $parameters = array_merge($storage->getBackend()->getParameters(), $storage->getAuthMechanism()->getParameters());
 
-		$options = $storage->getBackendOptions();
-		foreach ($options as $key => $value) {
-			foreach ($parameters as $parameter) {
-				if ($parameter->getName() === $key && $parameter->getType() === DefinitionParameter::VALUE_PASSWORD) {
-					$storage->setBackendOption($key, DefinitionParameter::UNMODIFIED_PLACEHOLDER);
-					break;
-				}
-			}
-		}
+        $options = $storage->getBackendOptions();
+        foreach ($options as $key => $value) {
+            foreach ($parameters as $parameter) {
+                if ($parameter->getName() === $key && $parameter->getType() === DefinitionParameter::VALUE_PASSWORD) {
+                    $storage->setBackendOption($key, DefinitionParameter::UNMODIFIED_PLACEHOLDER);
+                    break;
+                }
+            }
+        }
 
-		return $storage;
-	}
+        return $storage;
+    }
 
-	/**
-	 * Get an external storage entry.
-	 *
-	 * @param int $id storage id
-	 * @param bool $testOnly whether to storage should only test the connection or do more things
-	 *
-	 * @return DataResponse
-	 */
-	public function show($id, $testOnly = true) {
-		try {
-			$storage = $this->service->getStorage($id);
+    /**
+     * Get an external storage entry.
+     *
+     * @param int $id storage id
+     * @param bool $testOnly whether to storage should only test the connection or do more things
+     *
+     * @return DataResponse
+     */
+    public function show($id, $testOnly = true) {
+        try {
+            $storage = $this->service->getStorage($id);
 
-			$this->updateStorageStatus($storage, $testOnly);
-		} catch (NotFoundException $e) {
-			return new DataResponse(
-				[
-					'message' => (string)$this->l10n->t('Storage with ID "%d" not found', [$id]),
-				],
-				Http::STATUS_NOT_FOUND
-			);
-		}
+            $this->updateStorageStatus($storage, $testOnly);
+        } catch (NotFoundException $e) {
+            return new DataResponse(
+                [
+                    'message' => (string)$this->l10n->t('Storage with ID "%d" not found', [$id]),
+                ],
+                Http::STATUS_NOT_FOUND
+            );
+        }
 
-		return new DataResponse(
-			$this->formatStorageForUI($storage),
-			Http::STATUS_OK
-		);
-	}
+        return new DataResponse(
+            $this->formatStorageForUI($storage),
+            Http::STATUS_OK
+        );
+    }
 
-	/**
-	 * Deletes the storage with the given id.
-	 *
-	 * @param int $id storage id
-	 *
-	 * @return DataResponse
-	 */
-	public function destroy($id) {
-		try {
-			$this->service->removeStorage($id);
-		} catch (NotFoundException $e) {
-			return new DataResponse(
-				[
-					'message' => (string)$this->l10n->t('Storage with ID "%d" not found', [$id]),
-				],
-				Http::STATUS_NOT_FOUND
-			);
-		}
+    /**
+     * Deletes the storage with the given id.
+     *
+     * @param int $id storage id
+     *
+     * @return DataResponse
+     */
+    public function destroy($id) {
+        try {
+            $this->service->removeStorage($id);
+        } catch (NotFoundException $e) {
+            return new DataResponse(
+                [
+                    'message' => (string)$this->l10n->t('Storage with ID "%d" not found', [$id]),
+                ],
+                Http::STATUS_NOT_FOUND
+            );
+        }
 
-		return new DataResponse([], Http::STATUS_NO_CONTENT);
-	}
+        return new DataResponse([], Http::STATUS_NO_CONTENT);
+    }
 
 }

Spacing +12 added lines, -12 removed lines

@@ -129,7 +129,7 @@ 
 			$this->logger->logException($e);
 			return new DataResponse(
 				[
-					'message' => (string)$this->l10n->t('Invalid backend or authentication mechanism class')
+					'message' => (string) $this->l10n->t('Invalid backend or authentication mechanism class')
 				],
 				Http::STATUS_UNPROCESSABLE_ENTITY
 			);
@@ -148,7 +148,7 @@ 
 		if ($mountPoint === '') {
 			return new DataResponse(
 				[
-					'message' => (string)$this->l10n->t('Invalid mount point'),
+					'message' => (string) $this->l10n->t('Invalid mount point'),
 				],
 				Http::STATUS_UNPROCESSABLE_ENTITY
 			);
@@ -158,7 +158,7 @@ 
 			// objectstore must not be sent from client side
 			return new DataResponse(
 				[
-					'message' => (string)$this->l10n->t('Objectstore forbidden'),
+					'message' => (string) $this->l10n->t('Objectstore forbidden'),
 				],
 				Http::STATUS_UNPROCESSABLE_ENTITY
 			);
@@ -172,7 +172,7 @@ 
 			// invalid backend
 			return new DataResponse(
 				[
-					'message' => (string)$this->l10n->t('Invalid storage backend "%s"', [
+					'message' => (string) $this->l10n->t('Invalid storage backend "%s"', [
 						$backend->getIdentifier(),
 					]),
 				],
@@ -184,7 +184,7 @@ 
 			// not permitted to use backend
 			return new DataResponse(
 				[
-					'message' => (string)$this->l10n->t('Not permitted to use backend "%s"', [
+					'message' => (string) $this->l10n->t('Not permitted to use backend "%s"', [
 						$backend->getIdentifier(),
 					]),
 				],
@@ -195,7 +195,7 @@ 
 			// not permitted to use auth mechanism
 			return new DataResponse(
 				[
-					'message' => (string)$this->l10n->t('Not permitted to use authentication mechanism "%s"', [
+					'message' => (string) $this->l10n->t('Not permitted to use authentication mechanism "%s"', [
 						$authMechanism->getIdentifier(),
 					]),
 				],
@@ -207,7 +207,7 @@ 
 			// unsatisfied parameters
 			return new DataResponse(
 				[
-					'message' => (string)$this->l10n->t('Unsatisfied backend parameters'),
+					'message' => (string) $this->l10n->t('Unsatisfied backend parameters'),
 				],
 				Http::STATUS_UNPROCESSABLE_ENTITY
 			);
@@ -216,7 +216,7 @@ 
 			// unsatisfied parameters
 			return new DataResponse(
 				[
-					'message' => (string)$this->l10n->t('Unsatisfied authentication mechanism parameters'),
+					'message' => (string) $this->l10n->t('Unsatisfied authentication mechanism parameters'),
 				],
 				Http::STATUS_UNPROCESSABLE_ENTITY
 			);
@@ -273,7 +273,7 @@ 
 			// FIXME: convert storage exceptions to StorageNotAvailableException
 			$storage->setStatus(
 				StorageNotAvailableException::STATUS_ERROR,
-				get_class($e) . ': ' . $e->getMessage()
+				get_class($e).': '.$e->getMessage()
 			);
 		}
 	}
@@ -293,7 +293,7 @@ 
 	}
 
 	protected function formatStoragesForUI(array $storages): array {
-		return array_map(function ($storage) {
+		return array_map(function($storage) {
 			return $this->formatStorageForUI($storage);
 		}, $storages);
 	}
@@ -331,7 +331,7 @@ 
 		} catch (NotFoundException $e) {
 			return new DataResponse(
 				[
-					'message' => (string)$this->l10n->t('Storage with ID "%d" not found', [$id]),
+					'message' => (string) $this->l10n->t('Storage with ID "%d" not found', [$id]),
 				],
 				Http::STATUS_NOT_FOUND
 			);
@@ -356,7 +356,7 @@ 
 		} catch (NotFoundException $e) {
 			return new DataResponse(
 				[
-					'message' => (string)$this->l10n->t('Storage with ID "%d" not found', [$id]),
+					'message' => (string) $this->l10n->t('Storage with ID "%d" not found', [$id]),
 				],
 				Http::STATUS_NOT_FOUND
 			);

apps/files_external/lib/Controller/GlobalStoragesController.php

Indentation +145 added lines, -145 removed lines

@@ -40,151 +40,151 @@
  * Global storages controller
  */
 class GlobalStoragesController extends StoragesController {
-	/**
-	 * Creates a new global storages controller.
-	 *
-	 * @param string $AppName application name
-	 * @param IRequest $request request object
-	 * @param IL10N $l10n l10n service
-	 * @param GlobalStoragesService $globalStoragesService storage service
-	 * @param ILogger $logger
-	 */
-	public function __construct(
-		$AppName,
-		IRequest $request,
-		IL10N $l10n,
-		GlobalStoragesService $globalStoragesService,
-		ILogger $logger
-	) {
-		parent::__construct(
-			$AppName,
-			$request,
-			$l10n,
-			$globalStoragesService,
-			$logger
-		);
-	}
-
-	/**
-	 * Create an external storage entry.
-	 *
-	 * @param string $mountPoint storage mount point
-	 * @param string $backend backend identifier
-	 * @param string $authMechanism authentication mechanism identifier
-	 * @param array $backendOptions backend-specific options
-	 * @param array $mountOptions mount-specific options
-	 * @param array $applicableUsers users for which to mount the storage
-	 * @param array $applicableGroups groups for which to mount the storage
-	 * @param int $priority priority
-	 *
-	 * @return DataResponse
-	 */
-	public function create(
-		$mountPoint,
-		$backend,
-		$authMechanism,
-		$backendOptions,
-		$mountOptions,
-		$applicableUsers,
-		$applicableGroups,
-		$priority
-	) {
-		$newStorage = $this->createStorage(
-			$mountPoint,
-			$backend,
-			$authMechanism,
-			$backendOptions,
-			$mountOptions,
-			$applicableUsers,
-			$applicableGroups,
-			$priority
-		);
-		if ($newStorage instanceof DataResponse) {
-			return $newStorage;
-		}
-
-		$response = $this->validate($newStorage);
-		if (!empty($response)) {
-			return $response;
-		}
-
-		$newStorage = $this->service->addStorage($newStorage);
-
-		$this->updateStorageStatus($newStorage);
-
-		return new DataResponse(
-			$this->formatStorageForUI($newStorage),
-			Http::STATUS_CREATED
-		);
-	}
-
-	/**
-	 * Update an external storage entry.
-	 *
-	 * @param int $id storage id
-	 * @param string $mountPoint storage mount point
-	 * @param string $backend backend identifier
-	 * @param string $authMechanism authentication mechansim identifier
-	 * @param array $backendOptions backend-specific options
-	 * @param array $mountOptions mount-specific options
-	 * @param array $applicableUsers users for which to mount the storage
-	 * @param array $applicableGroups groups for which to mount the storage
-	 * @param int $priority priority
-	 * @param bool $testOnly whether to storage should only test the connection or do more things
-	 *
-	 * @return DataResponse
-	 */
-	public function update(
-		$id,
-		$mountPoint,
-		$backend,
-		$authMechanism,
-		$backendOptions,
-		$mountOptions,
-		$applicableUsers,
-		$applicableGroups,
-		$priority,
-		$testOnly = true
-	) {
-		$storage = $this->createStorage(
-			$mountPoint,
-			$backend,
-			$authMechanism,
-			$backendOptions,
-			$mountOptions,
-			$applicableUsers,
-			$applicableGroups,
-			$priority
-		);
-		if ($storage instanceof DataResponse) {
-			return $storage;
-		}
-		$storage->setId($id);
-
-		$response = $this->validate($storage);
-		if (!empty($response)) {
-			return $response;
-		}
-
-		try {
-			$storage = $this->service->updateStorage($storage);
-		} catch (NotFoundException $e) {
-			return new DataResponse(
-				[
-					'message' => (string)$this->l10n->t('Storage with ID "%d" not found', array($id))
-				],
-				Http::STATUS_NOT_FOUND
-			);
-		}
-
-		$this->updateStorageStatus($storage, $testOnly);
-
-		return new DataResponse(
-			$this->formatStorageForUI($storage),
-			Http::STATUS_OK
-		);
-
-	}
+    /**
+     * Creates a new global storages controller.
+     *
+     * @param string $AppName application name
+     * @param IRequest $request request object
+     * @param IL10N $l10n l10n service
+     * @param GlobalStoragesService $globalStoragesService storage service
+     * @param ILogger $logger
+     */
+    public function __construct(
+        $AppName,
+        IRequest $request,
+        IL10N $l10n,
+        GlobalStoragesService $globalStoragesService,
+        ILogger $logger
+    ) {
+        parent::__construct(
+            $AppName,
+            $request,
+            $l10n,
+            $globalStoragesService,
+            $logger
+        );
+    }
+
+    /**
+     * Create an external storage entry.
+     *
+     * @param string $mountPoint storage mount point
+     * @param string $backend backend identifier
+     * @param string $authMechanism authentication mechanism identifier
+     * @param array $backendOptions backend-specific options
+     * @param array $mountOptions mount-specific options
+     * @param array $applicableUsers users for which to mount the storage
+     * @param array $applicableGroups groups for which to mount the storage
+     * @param int $priority priority
+     *
+     * @return DataResponse
+     */
+    public function create(
+        $mountPoint,
+        $backend,
+        $authMechanism,
+        $backendOptions,
+        $mountOptions,
+        $applicableUsers,
+        $applicableGroups,
+        $priority
+    ) {
+        $newStorage = $this->createStorage(
+            $mountPoint,
+            $backend,
+            $authMechanism,
+            $backendOptions,
+            $mountOptions,
+            $applicableUsers,
+            $applicableGroups,
+            $priority
+        );
+        if ($newStorage instanceof DataResponse) {
+            return $newStorage;
+        }
+
+        $response = $this->validate($newStorage);
+        if (!empty($response)) {
+            return $response;
+        }
+
+        $newStorage = $this->service->addStorage($newStorage);
+
+        $this->updateStorageStatus($newStorage);
+
+        return new DataResponse(
+            $this->formatStorageForUI($newStorage),
+            Http::STATUS_CREATED
+        );
+    }
+
+    /**
+     * Update an external storage entry.
+     *
+     * @param int $id storage id
+     * @param string $mountPoint storage mount point
+     * @param string $backend backend identifier
+     * @param string $authMechanism authentication mechansim identifier
+     * @param array $backendOptions backend-specific options
+     * @param array $mountOptions mount-specific options
+     * @param array $applicableUsers users for which to mount the storage
+     * @param array $applicableGroups groups for which to mount the storage
+     * @param int $priority priority
+     * @param bool $testOnly whether to storage should only test the connection or do more things
+     *
+     * @return DataResponse
+     */
+    public function update(
+        $id,
+        $mountPoint,
+        $backend,
+        $authMechanism,
+        $backendOptions,
+        $mountOptions,
+        $applicableUsers,
+        $applicableGroups,
+        $priority,
+        $testOnly = true
+    ) {
+        $storage = $this->createStorage(
+            $mountPoint,
+            $backend,
+            $authMechanism,
+            $backendOptions,
+            $mountOptions,
+            $applicableUsers,
+            $applicableGroups,
+            $priority
+        );
+        if ($storage instanceof DataResponse) {
+            return $storage;
+        }
+        $storage->setId($id);
+
+        $response = $this->validate($storage);
+        if (!empty($response)) {
+            return $response;
+        }
+
+        try {
+            $storage = $this->service->updateStorage($storage);
+        } catch (NotFoundException $e) {
+            return new DataResponse(
+                [
+                    'message' => (string)$this->l10n->t('Storage with ID "%d" not found', array($id))
+                ],
+                Http::STATUS_NOT_FOUND
+            );
+        }
+
+        $this->updateStorageStatus($storage, $testOnly);
+
+        return new DataResponse(
+            $this->formatStorageForUI($storage),
+            Http::STATUS_OK
+        );
+
+    }
 
 
 }

apps/files_external/lib/Controller/UserGlobalStoragesController.php

Indentation +160 added lines, -160 removed lines

@@ -45,165 +45,165 @@
  * User global storages controller
  */
 class UserGlobalStoragesController extends StoragesController {
-	/**
-	 * @var IUserSession
-	 */
-	private $userSession;
-
-	/**
-	 * Creates a new user global storages controller.
-	 *
-	 * @param string $AppName application name
-	 * @param IRequest $request request object
-	 * @param IL10N $l10n l10n service
-	 * @param UserGlobalStoragesService $userGlobalStoragesService storage service
-	 * @param IUserSession $userSession
-	 */
-	public function __construct(
-		$AppName,
-		IRequest $request,
-		IL10N $l10n,
-		UserGlobalStoragesService $userGlobalStoragesService,
-		IUserSession $userSession,
-		ILogger $logger
-	) {
-		parent::__construct(
-			$AppName,
-			$request,
-			$l10n,
-			$userGlobalStoragesService,
-			$logger
-		);
-		$this->userSession = $userSession;
-	}
-
-	/**
-	 * Get all storage entries
-	 *
-	 * @return DataResponse
-	 *
-	 * @NoAdminRequired
-	 */
-	public function index() {
-		$storages = $this->formatStoragesForUI($this->service->getUniqueStorages());
-
-		// remove configuration data, this must be kept private
-		foreach ($storages as $storage) {
-			$this->sanitizeStorage($storage);
-		}
-
-		return new DataResponse(
-			$storages,
-			Http::STATUS_OK
-		);
-	}
-
-	protected function manipulateStorageConfig(StorageConfig $storage) {
-		/** @var AuthMechanism */
-		$authMechanism = $storage->getAuthMechanism();
-		$authMechanism->manipulateStorageConfig($storage, $this->userSession->getUser());
-		/** @var Backend */
-		$backend = $storage->getBackend();
-		$backend->manipulateStorageConfig($storage, $this->userSession->getUser());
-	}
-
-	/**
-	 * Get an external storage entry.
-	 *
-	 * @param int $id storage id
-	 * @param bool $testOnly whether to storage should only test the connection or do more things
-	 * @return DataResponse
-	 *
-	 * @NoAdminRequired
-	 */
-	public function show($id, $testOnly = true) {
-		try {
-			$storage = $this->service->getStorage($id);
-
-			$this->updateStorageStatus($storage, $testOnly);
-		} catch (NotFoundException $e) {
-			return new DataResponse(
-				[
-					'message' => (string)$this->l10n->t('Storage with ID "%d" not found', array($id))
-				],
-				Http::STATUS_NOT_FOUND
-			);
-		}
-
-		$this->sanitizeStorage($storage);
-
-		return new DataResponse(
-			$this->formatStorageForUI($storage),
-			Http::STATUS_OK
-		);
-	}
-
-	/**
-	 * Update an external storage entry.
-	 * Only allows setting user provided backend fields
-	 *
-	 * @param int $id storage id
-	 * @param array $backendOptions backend-specific options
-	 * @param bool $testOnly whether to storage should only test the connection or do more things
-	 *
-	 * @return DataResponse
-	 *
-	 * @NoAdminRequired
-	 */
-	public function update(
-		$id,
-		$backendOptions,
-		$testOnly = true
-	) {
-		try {
-			$storage = $this->service->getStorage($id);
-			$authMechanism = $storage->getAuthMechanism();
-			if ($authMechanism instanceof IUserProvided || $authMechanism instanceof  UserGlobalAuth) {
-				$authMechanism->saveBackendOptions($this->userSession->getUser(), $id, $backendOptions);
-				$authMechanism->manipulateStorageConfig($storage, $this->userSession->getUser());
-			} else {
-				return new DataResponse(
-					[
-						'message' => (string)$this->l10n->t('Storage with ID "%d" is not user editable', array($id))
-					],
-					Http::STATUS_FORBIDDEN
-				);
-			}
-		} catch (NotFoundException $e) {
-			return new DataResponse(
-				[
-					'message' => (string)$this->l10n->t('Storage with ID "%d" not found', array($id))
-				],
-				Http::STATUS_NOT_FOUND
-			);
-		}
-
-		$this->updateStorageStatus($storage, $testOnly);
-		$this->sanitizeStorage($storage);
-
-		return new DataResponse(
-			$this->formatStorageForUI($storage),
-			Http::STATUS_OK
-		);
-
-	}
-
-	/**
-	 * Remove sensitive data from a StorageConfig before returning it to the user
-	 *
-	 * @param StorageConfig $storage
-	 */
-	protected function sanitizeStorage(StorageConfig $storage) {
-		$storage->setBackendOptions([]);
-		$storage->setMountOptions([]);
-
-		if ($storage->getAuthMechanism() instanceof IUserProvided) {
-			try {
-				$storage->getAuthMechanism()->manipulateStorageConfig($storage, $this->userSession->getUser());
-			} catch (InsufficientDataForMeaningfulAnswerException $e) {
-				// not configured yet
-			}
-		}
-	}
+    /**
+     * @var IUserSession
+     */
+    private $userSession;
+
+    /**
+     * Creates a new user global storages controller.
+     *
+     * @param string $AppName application name
+     * @param IRequest $request request object
+     * @param IL10N $l10n l10n service
+     * @param UserGlobalStoragesService $userGlobalStoragesService storage service
+     * @param IUserSession $userSession
+     */
+    public function __construct(
+        $AppName,
+        IRequest $request,
+        IL10N $l10n,
+        UserGlobalStoragesService $userGlobalStoragesService,
+        IUserSession $userSession,
+        ILogger $logger
+    ) {
+        parent::__construct(
+            $AppName,
+            $request,
+            $l10n,
+            $userGlobalStoragesService,
+            $logger
+        );
+        $this->userSession = $userSession;
+    }
+
+    /**
+     * Get all storage entries
+     *
+     * @return DataResponse
+     *
+     * @NoAdminRequired
+     */
+    public function index() {
+        $storages = $this->formatStoragesForUI($this->service->getUniqueStorages());
+
+        // remove configuration data, this must be kept private
+        foreach ($storages as $storage) {
+            $this->sanitizeStorage($storage);
+        }
+
+        return new DataResponse(
+            $storages,
+            Http::STATUS_OK
+        );
+    }
+
+    protected function manipulateStorageConfig(StorageConfig $storage) {
+        /** @var AuthMechanism */
+        $authMechanism = $storage->getAuthMechanism();
+        $authMechanism->manipulateStorageConfig($storage, $this->userSession->getUser());
+        /** @var Backend */
+        $backend = $storage->getBackend();
+        $backend->manipulateStorageConfig($storage, $this->userSession->getUser());
+    }
+
+    /**
+     * Get an external storage entry.
+     *
+     * @param int $id storage id
+     * @param bool $testOnly whether to storage should only test the connection or do more things
+     * @return DataResponse
+     *
+     * @NoAdminRequired
+     */
+    public function show($id, $testOnly = true) {
+        try {
+            $storage = $this->service->getStorage($id);
+
+            $this->updateStorageStatus($storage, $testOnly);
+        } catch (NotFoundException $e) {
+            return new DataResponse(
+                [
+                    'message' => (string)$this->l10n->t('Storage with ID "%d" not found', array($id))
+                ],
+                Http::STATUS_NOT_FOUND
+            );
+        }
+
+        $this->sanitizeStorage($storage);
+
+        return new DataResponse(
+            $this->formatStorageForUI($storage),
+            Http::STATUS_OK
+        );
+    }
+
+    /**
+     * Update an external storage entry.
+     * Only allows setting user provided backend fields
+     *
+     * @param int $id storage id
+     * @param array $backendOptions backend-specific options
+     * @param bool $testOnly whether to storage should only test the connection or do more things
+     *
+     * @return DataResponse
+     *
+     * @NoAdminRequired
+     */
+    public function update(
+        $id,
+        $backendOptions,
+        $testOnly = true
+    ) {
+        try {
+            $storage = $this->service->getStorage($id);
+            $authMechanism = $storage->getAuthMechanism();
+            if ($authMechanism instanceof IUserProvided || $authMechanism instanceof  UserGlobalAuth) {
+                $authMechanism->saveBackendOptions($this->userSession->getUser(), $id, $backendOptions);
+                $authMechanism->manipulateStorageConfig($storage, $this->userSession->getUser());
+            } else {
+                return new DataResponse(
+                    [
+                        'message' => (string)$this->l10n->t('Storage with ID "%d" is not user editable', array($id))
+                    ],
+                    Http::STATUS_FORBIDDEN
+                );
+            }
+        } catch (NotFoundException $e) {
+            return new DataResponse(
+                [
+                    'message' => (string)$this->l10n->t('Storage with ID "%d" not found', array($id))
+                ],
+                Http::STATUS_NOT_FOUND
+            );
+        }
+
+        $this->updateStorageStatus($storage, $testOnly);
+        $this->sanitizeStorage($storage);
+
+        return new DataResponse(
+            $this->formatStorageForUI($storage),
+            Http::STATUS_OK
+        );
+
+    }
+
+    /**
+     * Remove sensitive data from a StorageConfig before returning it to the user
+     *
+     * @param StorageConfig $storage
+     */
+    protected function sanitizeStorage(StorageConfig $storage) {
+        $storage->setBackendOptions([]);
+        $storage->setMountOptions([]);
+
+        if ($storage->getAuthMechanism() instanceof IUserProvided) {
+            try {
+                $storage->getAuthMechanism()->manipulateStorageConfig($storage, $this->userSession->getUser());
+            } catch (InsufficientDataForMeaningfulAnswerException $e) {
+                // not configured yet
+            }
+        }
+    }
 
 }

apps/files_external/lib/Controller/UserStoragesController.php

Indentation +180 added lines, -180 removed lines

@@ -44,185 +44,185 @@
  * User storages controller
  */
 class UserStoragesController extends StoragesController {
-	/**
-	 * @var IUserSession
-	 */
-	private $userSession;
-
-	/**
-	 * Creates a new user storages controller.
-	 *
-	 * @param string $AppName application name
-	 * @param IRequest $request request object
-	 * @param IL10N $l10n l10n service
-	 * @param UserStoragesService $userStoragesService storage service
-	 * @param IUserSession $userSession
-	 * @param ILogger $logger
-	 */
-	public function __construct(
-		$AppName,
-		IRequest $request,
-		IL10N $l10n,
-		UserStoragesService $userStoragesService,
-		IUserSession $userSession,
-		ILogger $logger
-	) {
-		parent::__construct(
-			$AppName,
-			$request,
-			$l10n,
-			$userStoragesService,
-			$logger
-		);
-		$this->userSession = $userSession;
-	}
-
-	protected function manipulateStorageConfig(StorageConfig $storage) {
-		/** @var AuthMechanism */
-		$authMechanism = $storage->getAuthMechanism();
-		$authMechanism->manipulateStorageConfig($storage, $this->userSession->getUser());
-		/** @var Backend */
-		$backend = $storage->getBackend();
-		$backend->manipulateStorageConfig($storage, $this->userSession->getUser());
-	}
-
-	/**
-	 * Get all storage entries
-	 *
-	 * @NoAdminRequired
-	 *
-	 * @return DataResponse
-	 */
-	public function index() {
-		return parent::index();
-	}
-
-	/**
-	 * Return storage
-	 *
-	 * @NoAdminRequired
-	 *
-	 * {@inheritdoc}
-	 */
-	public function show($id, $testOnly = true) {
-		return parent::show($id, $testOnly);
-	}
-
-	/**
-	 * Create an external storage entry.
-	 *
-	 * @param string $mountPoint storage mount point
-	 * @param string $backend backend identifier
-	 * @param string $authMechanism authentication mechanism identifier
-	 * @param array $backendOptions backend-specific options
-	 * @param array $mountOptions backend-specific mount options
-	 *
-	 * @return DataResponse
-	 *
-	 * @NoAdminRequired
-	 */
-	public function create(
-		$mountPoint,
-		$backend,
-		$authMechanism,
-		$backendOptions,
-		$mountOptions
-	) {
-		$newStorage = $this->createStorage(
-			$mountPoint,
-			$backend,
-			$authMechanism,
-			$backendOptions,
-			$mountOptions
-		);
-		if ($newStorage instanceOf DataResponse) {
-			return $newStorage;
-		}
-
-		$response = $this->validate($newStorage);
-		if (!empty($response)) {
-			return $response;
-		}
-
-		$newStorage = $this->service->addStorage($newStorage);
-		$this->updateStorageStatus($newStorage);
-
-		return new DataResponse(
-			$this->formatStorageForUI($newStorage),
-			Http::STATUS_CREATED
-		);
-	}
-
-	/**
-	 * Update an external storage entry.
-	 *
-	 * @param int $id storage id
-	 * @param string $mountPoint storage mount point
-	 * @param string $backend backend identifier
-	 * @param string $authMechanism authentication mechanism identifier
-	 * @param array $backendOptions backend-specific options
-	 * @param array $mountOptions backend-specific mount options
-	 * @param bool $testOnly whether to storage should only test the connection or do more things
-	 *
-	 * @return DataResponse
-	 *
-	 * @NoAdminRequired
-	 */
-	public function update(
-		$id,
-		$mountPoint,
-		$backend,
-		$authMechanism,
-		$backendOptions,
-		$mountOptions,
-		$testOnly = true
-	) {
-		$storage = $this->createStorage(
-			$mountPoint,
-			$backend,
-			$authMechanism,
-			$backendOptions,
-			$mountOptions
-		);
-		if ($storage instanceOf DataResponse) {
-			return $storage;
-		}
-		$storage->setId($id);
-
-		$response = $this->validate($storage);
-		if (!empty($response)) {
-			return $response;
-		}
-
-		try {
-			$storage = $this->service->updateStorage($storage);
-		} catch (NotFoundException $e) {
-			return new DataResponse(
-				[
-					'message' => (string)$this->l10n->t('Storage with ID "%d" not found', array($id))
-				],
-				Http::STATUS_NOT_FOUND
-			);
-		}
-
-		$this->updateStorageStatus($storage, $testOnly);
-
-		return new DataResponse(
-			$this->formatStorageForUI($storage),
-			Http::STATUS_OK
-		);
-
-	}
-
-	/**
-	 * Delete storage
-	 *
-	 * @NoAdminRequired
-	 *
-	 * {@inheritdoc}
-	 */
-	public function destroy($id) {
-		return parent::destroy($id);
-	}
+    /**
+     * @var IUserSession
+     */
+    private $userSession;
+
+    /**
+     * Creates a new user storages controller.
+     *
+     * @param string $AppName application name
+     * @param IRequest $request request object
+     * @param IL10N $l10n l10n service
+     * @param UserStoragesService $userStoragesService storage service
+     * @param IUserSession $userSession
+     * @param ILogger $logger
+     */
+    public function __construct(
+        $AppName,
+        IRequest $request,
+        IL10N $l10n,
+        UserStoragesService $userStoragesService,
+        IUserSession $userSession,
+        ILogger $logger
+    ) {
+        parent::__construct(
+            $AppName,
+            $request,
+            $l10n,
+            $userStoragesService,
+            $logger
+        );
+        $this->userSession = $userSession;
+    }
+
+    protected function manipulateStorageConfig(StorageConfig $storage) {
+        /** @var AuthMechanism */
+        $authMechanism = $storage->getAuthMechanism();
+        $authMechanism->manipulateStorageConfig($storage, $this->userSession->getUser());
+        /** @var Backend */
+        $backend = $storage->getBackend();
+        $backend->manipulateStorageConfig($storage, $this->userSession->getUser());
+    }
+
+    /**
+     * Get all storage entries
+     *
+     * @NoAdminRequired
+     *
+     * @return DataResponse
+     */
+    public function index() {
+        return parent::index();
+    }
+
+    /**
+     * Return storage
+     *
+     * @NoAdminRequired
+     *
+     * {@inheritdoc}
+     */
+    public function show($id, $testOnly = true) {
+        return parent::show($id, $testOnly);
+    }
+
+    /**
+     * Create an external storage entry.
+     *
+     * @param string $mountPoint storage mount point
+     * @param string $backend backend identifier
+     * @param string $authMechanism authentication mechanism identifier
+     * @param array $backendOptions backend-specific options
+     * @param array $mountOptions backend-specific mount options
+     *
+     * @return DataResponse
+     *
+     * @NoAdminRequired
+     */
+    public function create(
+        $mountPoint,
+        $backend,
+        $authMechanism,
+        $backendOptions,
+        $mountOptions
+    ) {
+        $newStorage = $this->createStorage(
+            $mountPoint,
+            $backend,
+            $authMechanism,
+            $backendOptions,
+            $mountOptions
+        );
+        if ($newStorage instanceOf DataResponse) {
+            return $newStorage;
+        }
+
+        $response = $this->validate($newStorage);
+        if (!empty($response)) {
+            return $response;
+        }
+
+        $newStorage = $this->service->addStorage($newStorage);
+        $this->updateStorageStatus($newStorage);
+
+        return new DataResponse(
+            $this->formatStorageForUI($newStorage),
+            Http::STATUS_CREATED
+        );
+    }
+
+    /**
+     * Update an external storage entry.
+     *
+     * @param int $id storage id
+     * @param string $mountPoint storage mount point
+     * @param string $backend backend identifier
+     * @param string $authMechanism authentication mechanism identifier
+     * @param array $backendOptions backend-specific options
+     * @param array $mountOptions backend-specific mount options
+     * @param bool $testOnly whether to storage should only test the connection or do more things
+     *
+     * @return DataResponse
+     *
+     * @NoAdminRequired
+     */
+    public function update(
+        $id,
+        $mountPoint,
+        $backend,
+        $authMechanism,
+        $backendOptions,
+        $mountOptions,
+        $testOnly = true
+    ) {
+        $storage = $this->createStorage(
+            $mountPoint,
+            $backend,
+            $authMechanism,
+            $backendOptions,
+            $mountOptions
+        );
+        if ($storage instanceOf DataResponse) {
+            return $storage;
+        }
+        $storage->setId($id);
+
+        $response = $this->validate($storage);
+        if (!empty($response)) {
+            return $response;
+        }
+
+        try {
+            $storage = $this->service->updateStorage($storage);
+        } catch (NotFoundException $e) {
+            return new DataResponse(
+                [
+                    'message' => (string)$this->l10n->t('Storage with ID "%d" not found', array($id))
+                ],
+                Http::STATUS_NOT_FOUND
+            );
+        }
+
+        $this->updateStorageStatus($storage, $testOnly);
+
+        return new DataResponse(
+            $this->formatStorageForUI($storage),
+            Http::STATUS_OK
+        );
+
+    }
+
+    /**
+     * Delete storage
+     *
+     * @NoAdminRequired
+     *
+     * {@inheritdoc}
+     */
+    public function destroy($id) {
+        return parent::destroy($id);
+    }
 
 }

apps/files_external/lib/Service/StoragesService.php

Indentation +491 added lines, -491 removed lines

@@ -48,495 +48,495 @@
  */
 abstract class StoragesService {
 
-	/** @var BackendService */
-	protected $backendService;
-
-	/**
-	 * @var DBConfigService
-	 */
-	protected $dbConfig;
-
-	/**
-	 * @var IUserMountCache
-	 */
-	protected $userMountCache;
-
-	/**
-	 * @param BackendService $backendService
-	 * @param DBConfigService $dbConfigService
-	 * @param IUserMountCache $userMountCache
-	 */
-	public function __construct(BackendService $backendService, DBConfigService $dbConfigService, IUserMountCache $userMountCache) {
-		$this->backendService = $backendService;
-		$this->dbConfig = $dbConfigService;
-		$this->userMountCache = $userMountCache;
-	}
-
-	protected function readDBConfig() {
-		return $this->dbConfig->getAdminMounts();
-	}
-
-	protected function getStorageConfigFromDBMount(array $mount) {
-		$applicableUsers = array_filter($mount['applicable'], function ($applicable) {
-			return $applicable['type'] === DBConfigService::APPLICABLE_TYPE_USER;
-		});
-		$applicableUsers = array_map(function ($applicable) {
-			return $applicable['value'];
-		}, $applicableUsers);
-
-		$applicableGroups = array_filter($mount['applicable'], function ($applicable) {
-			return $applicable['type'] === DBConfigService::APPLICABLE_TYPE_GROUP;
-		});
-		$applicableGroups = array_map(function ($applicable) {
-			return $applicable['value'];
-		}, $applicableGroups);
-
-		try {
-			$config = $this->createStorage(
-				$mount['mount_point'],
-				$mount['storage_backend'],
-				$mount['auth_backend'],
-				$mount['config'],
-				$mount['options'],
-				array_values($applicableUsers),
-				array_values($applicableGroups),
-				$mount['priority']
-			);
-			$config->setType($mount['type']);
-			$config->setId((int)$mount['mount_id']);
-			return $config;
-		} catch (\UnexpectedValueException $e) {
-			// don't die if a storage backend doesn't exist
-			\OC::$server->getLogger()->logException($e, [
-				'message' => 'Could not load storage.',
-				'level' => ILogger::ERROR,
-				'app' => 'files_external',
-			]);
-			return null;
-		} catch (\InvalidArgumentException $e) {
-			\OC::$server->getLogger()->logException($e, [
-				'message' => 'Could not load storage.',
-				'level' => ILogger::ERROR,
-				'app' => 'files_external',
-			]);
-			return null;
-		}
-	}
-
-	/**
-	 * Read the external storages config
-	 *
-	 * @return array map of storage id to storage config
-	 */
-	protected function readConfig() {
-		$mounts = $this->readDBConfig();
-		$configs = array_map([$this, 'getStorageConfigFromDBMount'], $mounts);
-		$configs = array_filter($configs, function ($config) {
-			return $config instanceof StorageConfig;
-		});
-
-		$keys = array_map(function (StorageConfig $config) {
-			return $config->getId();
-		}, $configs);
-
-		return array_combine($keys, $configs);
-	}
-
-	/**
-	 * Get a storage with status
-	 *
-	 * @param int $id storage id
-	 *
-	 * @return StorageConfig
-	 * @throws NotFoundException if the storage with the given id was not found
-	 */
-	public function getStorage($id) {
-		$mount = $this->dbConfig->getMountById($id);
-
-		if (!is_array($mount)) {
-			throw new NotFoundException('Storage with ID "' . $id . '" not found');
-		}
-
-		$config = $this->getStorageConfigFromDBMount($mount);
-		if ($this->isApplicable($config)) {
-			return $config;
-		} else {
-			throw new NotFoundException('Storage with ID "' . $id . '" not found');
-		}
-	}
-
-	/**
-	 * Check whether this storage service should provide access to a storage
-	 *
-	 * @param StorageConfig $config
-	 * @return bool
-	 */
-	abstract protected function isApplicable(StorageConfig $config);
-
-	/**
-	 * Gets all storages, valid or not
-	 *
-	 * @return StorageConfig[] array of storage configs
-	 */
-	public function getAllStorages() {
-		return $this->readConfig();
-	}
-
-	/**
-	 * Gets all valid storages
-	 *
-	 * @return StorageConfig[]
-	 */
-	public function getStorages() {
-		return array_filter($this->getAllStorages(), [$this, 'validateStorage']);
-	}
-
-	/**
-	 * Validate storage
-	 * FIXME: De-duplicate with StoragesController::validate()
-	 *
-	 * @param StorageConfig $storage
-	 * @return bool
-	 */
-	protected function validateStorage(StorageConfig $storage) {
-		/** @var Backend */
-		$backend = $storage->getBackend();
-		/** @var AuthMechanism */
-		$authMechanism = $storage->getAuthMechanism();
-
-		if (!$backend->isVisibleFor($this->getVisibilityType())) {
-			// not permitted to use backend
-			return false;
-		}
-		if (!$authMechanism->isVisibleFor($this->getVisibilityType())) {
-			// not permitted to use auth mechanism
-			return false;
-		}
-
-		return true;
-	}
-
-	/**
-	 * Get the visibility type for this controller, used in validation
-	 *
-	 * @return string BackendService::VISIBILITY_* constants
-	 */
-	abstract public function getVisibilityType();
-
-	/**
-	 * @return integer
-	 */
-	protected function getType() {
-		return DBConfigService::MOUNT_TYPE_ADMIN;
-	}
-
-	/**
-	 * Add new storage to the configuration
-	 *
-	 * @param StorageConfig $newStorage storage attributes
-	 *
-	 * @return StorageConfig storage config, with added id
-	 */
-	public function addStorage(StorageConfig $newStorage) {
-		$allStorages = $this->readConfig();
-
-		$configId = $this->dbConfig->addMount(
-			$newStorage->getMountPoint(),
-			$newStorage->getBackend()->getIdentifier(),
-			$newStorage->getAuthMechanism()->getIdentifier(),
-			$newStorage->getPriority(),
-			$this->getType()
-		);
-
-		$newStorage->setId($configId);
-
-		foreach ($newStorage->getApplicableUsers() as $user) {
-			$this->dbConfig->addApplicable($configId, DBConfigService::APPLICABLE_TYPE_USER, $user);
-		}
-		foreach ($newStorage->getApplicableGroups() as $group) {
-			$this->dbConfig->addApplicable($configId, DBConfigService::APPLICABLE_TYPE_GROUP, $group);
-		}
-		foreach ($newStorage->getBackendOptions() as $key => $value) {
-			$this->dbConfig->setConfig($configId, $key, $value);
-		}
-		foreach ($newStorage->getMountOptions() as $key => $value) {
-			$this->dbConfig->setOption($configId, $key, $value);
-		}
-
-		if (count($newStorage->getApplicableUsers()) === 0 && count($newStorage->getApplicableGroups()) === 0) {
-			$this->dbConfig->addApplicable($configId, DBConfigService::APPLICABLE_TYPE_GLOBAL, null);
-		}
-
-		// add new storage
-		$allStorages[$configId] = $newStorage;
-
-		$this->triggerHooks($newStorage, Filesystem::signal_create_mount);
-
-		$newStorage->setStatus(StorageNotAvailableException::STATUS_SUCCESS);
-		return $newStorage;
-	}
-
-	/**
-	 * Create a storage from its parameters
-	 *
-	 * @param string $mountPoint storage mount point
-	 * @param string $backendIdentifier backend identifier
-	 * @param string $authMechanismIdentifier authentication mechanism identifier
-	 * @param array $backendOptions backend-specific options
-	 * @param array|null $mountOptions mount-specific options
-	 * @param array|null $applicableUsers users for which to mount the storage
-	 * @param array|null $applicableGroups groups for which to mount the storage
-	 * @param int|null $priority priority
-	 *
-	 * @return StorageConfig
-	 */
-	public function createStorage(
-		$mountPoint,
-		$backendIdentifier,
-		$authMechanismIdentifier,
-		$backendOptions,
-		$mountOptions = null,
-		$applicableUsers = null,
-		$applicableGroups = null,
-		$priority = null
-	) {
-		$backend = $this->backendService->getBackend($backendIdentifier);
-		if (!$backend) {
-			$backend = new InvalidBackend($backendIdentifier);
-		}
-		$authMechanism = $this->backendService->getAuthMechanism($authMechanismIdentifier);
-		if (!$authMechanism) {
-			$authMechanism = new InvalidAuth($authMechanismIdentifier);
-		}
-		$newStorage = new StorageConfig();
-		$newStorage->setMountPoint($mountPoint);
-		$newStorage->setBackend($backend);
-		$newStorage->setAuthMechanism($authMechanism);
-		$newStorage->setBackendOptions($backendOptions);
-		if (isset($mountOptions)) {
-			$newStorage->setMountOptions($mountOptions);
-		}
-		if (isset($applicableUsers)) {
-			$newStorage->setApplicableUsers($applicableUsers);
-		}
-		if (isset($applicableGroups)) {
-			$newStorage->setApplicableGroups($applicableGroups);
-		}
-		if (isset($priority)) {
-			$newStorage->setPriority($priority);
-		}
-
-		return $newStorage;
-	}
-
-	/**
-	 * Triggers the given hook signal for all the applicables given
-	 *
-	 * @param string $signal signal
-	 * @param string $mountPoint hook mount pount param
-	 * @param string $mountType hook mount type param
-	 * @param array $applicableArray array of applicable users/groups for which to trigger the hook
-	 */
-	protected function triggerApplicableHooks($signal, $mountPoint, $mountType, $applicableArray) {
-		foreach ($applicableArray as $applicable) {
-			\OCP\Util::emitHook(
-				Filesystem::CLASSNAME,
-				$signal,
-				[
-					Filesystem::signal_param_path => $mountPoint,
-					Filesystem::signal_param_mount_type => $mountType,
-					Filesystem::signal_param_users => $applicable,
-				]
-			);
-		}
-	}
-
-	/**
-	 * Triggers $signal for all applicable users of the given
-	 * storage
-	 *
-	 * @param StorageConfig $storage storage data
-	 * @param string $signal signal to trigger
-	 */
-	abstract protected function triggerHooks(StorageConfig $storage, $signal);
-
-	/**
-	 * Triggers signal_create_mount or signal_delete_mount to
-	 * accommodate for additions/deletions in applicableUsers
-	 * and applicableGroups fields.
-	 *
-	 * @param StorageConfig $oldStorage old storage data
-	 * @param StorageConfig $newStorage new storage data
-	 */
-	abstract protected function triggerChangeHooks(StorageConfig $oldStorage, StorageConfig $newStorage);
-
-	/**
-	 * Update storage to the configuration
-	 *
-	 * @param StorageConfig $updatedStorage storage attributes
-	 *
-	 * @return StorageConfig storage config
-	 * @throws NotFoundException if the given storage does not exist in the config
-	 */
-	public function updateStorage(StorageConfig $updatedStorage) {
-		$id = $updatedStorage->getId();
-
-		$existingMount = $this->dbConfig->getMountById($id);
-
-		if (!is_array($existingMount)) {
-			throw new NotFoundException('Storage with ID "' . $id . '" not found while updating storage');
-		}
-
-		$oldStorage = $this->getStorageConfigFromDBMount($existingMount);
-
-		if ($oldStorage->getBackend() instanceof InvalidBackend) {
-			throw new NotFoundException('Storage with id "' . $id . '" cannot be edited due to missing backend');
-		}
-
-		$removedUsers = array_diff($oldStorage->getApplicableUsers(), $updatedStorage->getApplicableUsers());
-		$removedGroups = array_diff($oldStorage->getApplicableGroups(), $updatedStorage->getApplicableGroups());
-		$addedUsers = array_diff($updatedStorage->getApplicableUsers(), $oldStorage->getApplicableUsers());
-		$addedGroups = array_diff($updatedStorage->getApplicableGroups(), $oldStorage->getApplicableGroups());
-
-		$oldUserCount = count($oldStorage->getApplicableUsers());
-		$oldGroupCount = count($oldStorage->getApplicableGroups());
-		$newUserCount = count($updatedStorage->getApplicableUsers());
-		$newGroupCount = count($updatedStorage->getApplicableGroups());
-		$wasGlobal = ($oldUserCount + $oldGroupCount) === 0;
-		$isGlobal = ($newUserCount + $newGroupCount) === 0;
-
-		foreach ($removedUsers as $user) {
-			$this->dbConfig->removeApplicable($id, DBConfigService::APPLICABLE_TYPE_USER, $user);
-		}
-		foreach ($removedGroups as $group) {
-			$this->dbConfig->removeApplicable($id, DBConfigService::APPLICABLE_TYPE_GROUP, $group);
-		}
-		foreach ($addedUsers as $user) {
-			$this->dbConfig->addApplicable($id, DBConfigService::APPLICABLE_TYPE_USER, $user);
-		}
-		foreach ($addedGroups as $group) {
-			$this->dbConfig->addApplicable($id, DBConfigService::APPLICABLE_TYPE_GROUP, $group);
-		}
-
-		if ($wasGlobal && !$isGlobal) {
-			$this->dbConfig->removeApplicable($id, DBConfigService::APPLICABLE_TYPE_GLOBAL, null);
-		} else if (!$wasGlobal && $isGlobal) {
-			$this->dbConfig->addApplicable($id, DBConfigService::APPLICABLE_TYPE_GLOBAL, null);
-		}
-
-		$changedConfig = array_diff_assoc($updatedStorage->getBackendOptions(), $oldStorage->getBackendOptions());
-		$changedOptions = array_diff_assoc($updatedStorage->getMountOptions(), $oldStorage->getMountOptions());
-
-		foreach ($changedConfig as $key => $value) {
-			if ($value !== DefinitionParameter::UNMODIFIED_PLACEHOLDER) {
-				$this->dbConfig->setConfig($id, $key, $value);
-			}
-		}
-		foreach ($changedOptions as $key => $value) {
-			$this->dbConfig->setOption($id, $key, $value);
-		}
-
-		if ($updatedStorage->getMountPoint() !== $oldStorage->getMountPoint()) {
-			$this->dbConfig->setMountPoint($id, $updatedStorage->getMountPoint());
-		}
-
-		if ($updatedStorage->getAuthMechanism()->getIdentifier() !== $oldStorage->getAuthMechanism()->getIdentifier()) {
-			$this->dbConfig->setAuthBackend($id, $updatedStorage->getAuthMechanism()->getIdentifier());
-		}
-
-		$this->triggerChangeHooks($oldStorage, $updatedStorage);
-
-		if (($wasGlobal && !$isGlobal) || count($removedGroups) > 0) { // to expensive to properly handle these on the fly
-			$this->userMountCache->remoteStorageMounts($this->getStorageId($updatedStorage));
-		} else {
-			$storageId = $this->getStorageId($updatedStorage);
-			foreach ($removedUsers as $userId) {
-				$this->userMountCache->removeUserStorageMount($storageId, $userId);
-			}
-		}
-
-		return $this->getStorage($id);
-	}
-
-	/**
-	 * Delete the storage with the given id.
-	 *
-	 * @param int $id storage id
-	 *
-	 * @throws NotFoundException if no storage was found with the given id
-	 */
-	public function removeStorage($id) {
-		$existingMount = $this->dbConfig->getMountById($id);
-
-		if (!is_array($existingMount)) {
-			throw new NotFoundException('Storage with ID "' . $id . '" not found');
-		}
-
-		$this->dbConfig->removeMount($id);
-
-		$deletedStorage = $this->getStorageConfigFromDBMount($existingMount);
-		$this->triggerHooks($deletedStorage, Filesystem::signal_delete_mount);
-
-		// delete oc_storages entries and oc_filecache
-		try {
-			$rustyStorageId = $this->getRustyStorageIdFromConfig($deletedStorage);
-			\OC\Files\Cache\Storage::remove($rustyStorageId);
-		} catch (\Exception $e) {
-			// can happen either for invalid configs where the storage could not
-			// be instantiated or whenever $user vars where used, in which case
-			// the storage id could not be computed
-			\OC::$server->getLogger()->logException($e, [
-				'level' => ILogger::ERROR,
-				'app' => 'files_external',
-			]);
-		}
-	}
-
-	/**
-	 * Returns the rusty storage id from oc_storages from the given storage config.
-	 *
-	 * @param StorageConfig $storageConfig
-	 * @return string rusty storage id
-	 */
-	private function getRustyStorageIdFromConfig(StorageConfig $storageConfig) {
-		// if any of the storage options contains $user, it is not possible
-		// to compute the possible storage id as we don't know which users
-		// mounted it already (and we certainly don't want to iterate over ALL users)
-		foreach ($storageConfig->getBackendOptions() as $value) {
-			if (strpos($value, '$user') !== false) {
-				throw new \Exception('Cannot compute storage id for deletion due to $user vars in the configuration');
-			}
-		}
-
-		// note: similar to ConfigAdapter->prepateStorageConfig()
-		$storageConfig->getAuthMechanism()->manipulateStorageConfig($storageConfig);
-		$storageConfig->getBackend()->manipulateStorageConfig($storageConfig);
-
-		$class = $storageConfig->getBackend()->getStorageClass();
-		$storageImpl = new $class($storageConfig->getBackendOptions());
-
-		return $storageImpl->getId();
-	}
-
-	/**
-	 * Construct the storage implementation
-	 *
-	 * @param StorageConfig $storageConfig
-	 * @return int
-	 */
-	private function getStorageId(StorageConfig $storageConfig) {
-		try {
-			$class = $storageConfig->getBackend()->getStorageClass();
-			/** @var \OC\Files\Storage\Storage $storage */
-			$storage = new $class($storageConfig->getBackendOptions());
-
-			// auth mechanism should fire first
-			$storage = $storageConfig->getBackend()->wrapStorage($storage);
-			$storage = $storageConfig->getAuthMechanism()->wrapStorage($storage);
-
-			return $storage->getStorageCache()->getNumericId();
-		} catch (\Exception $e) {
-			return -1;
-		}
-	}
+    /** @var BackendService */
+    protected $backendService;
+
+    /**
+     * @var DBConfigService
+     */
+    protected $dbConfig;
+
+    /**
+     * @var IUserMountCache
+     */
+    protected $userMountCache;
+
+    /**
+     * @param BackendService $backendService
+     * @param DBConfigService $dbConfigService
+     * @param IUserMountCache $userMountCache
+     */
+    public function __construct(BackendService $backendService, DBConfigService $dbConfigService, IUserMountCache $userMountCache) {
+        $this->backendService = $backendService;
+        $this->dbConfig = $dbConfigService;
+        $this->userMountCache = $userMountCache;
+    }
+
+    protected function readDBConfig() {
+        return $this->dbConfig->getAdminMounts();
+    }
+
+    protected function getStorageConfigFromDBMount(array $mount) {
+        $applicableUsers = array_filter($mount['applicable'], function ($applicable) {
+            return $applicable['type'] === DBConfigService::APPLICABLE_TYPE_USER;
+        });
+        $applicableUsers = array_map(function ($applicable) {
+            return $applicable['value'];
+        }, $applicableUsers);
+
+        $applicableGroups = array_filter($mount['applicable'], function ($applicable) {
+            return $applicable['type'] === DBConfigService::APPLICABLE_TYPE_GROUP;
+        });
+        $applicableGroups = array_map(function ($applicable) {
+            return $applicable['value'];
+        }, $applicableGroups);
+
+        try {
+            $config = $this->createStorage(
+                $mount['mount_point'],
+                $mount['storage_backend'],
+                $mount['auth_backend'],
+                $mount['config'],
+                $mount['options'],
+                array_values($applicableUsers),
+                array_values($applicableGroups),
+                $mount['priority']
+            );
+            $config->setType($mount['type']);
+            $config->setId((int)$mount['mount_id']);
+            return $config;
+        } catch (\UnexpectedValueException $e) {
+            // don't die if a storage backend doesn't exist
+            \OC::$server->getLogger()->logException($e, [
+                'message' => 'Could not load storage.',
+                'level' => ILogger::ERROR,
+                'app' => 'files_external',
+            ]);
+            return null;
+        } catch (\InvalidArgumentException $e) {
+            \OC::$server->getLogger()->logException($e, [
+                'message' => 'Could not load storage.',
+                'level' => ILogger::ERROR,
+                'app' => 'files_external',
+            ]);
+            return null;
+        }
+    }
+
+    /**
+     * Read the external storages config
+     *
+     * @return array map of storage id to storage config
+     */
+    protected function readConfig() {
+        $mounts = $this->readDBConfig();
+        $configs = array_map([$this, 'getStorageConfigFromDBMount'], $mounts);
+        $configs = array_filter($configs, function ($config) {
+            return $config instanceof StorageConfig;
+        });
+
+        $keys = array_map(function (StorageConfig $config) {
+            return $config->getId();
+        }, $configs);
+
+        return array_combine($keys, $configs);
+    }
+
+    /**
+     * Get a storage with status
+     *
+     * @param int $id storage id
+     *
+     * @return StorageConfig
+     * @throws NotFoundException if the storage with the given id was not found
+     */
+    public function getStorage($id) {
+        $mount = $this->dbConfig->getMountById($id);
+
+        if (!is_array($mount)) {
+            throw new NotFoundException('Storage with ID "' . $id . '" not found');
+        }
+
+        $config = $this->getStorageConfigFromDBMount($mount);
+        if ($this->isApplicable($config)) {
+            return $config;
+        } else {
+            throw new NotFoundException('Storage with ID "' . $id . '" not found');
+        }
+    }
+
+    /**
+     * Check whether this storage service should provide access to a storage
+     *
+     * @param StorageConfig $config
+     * @return bool
+     */
+    abstract protected function isApplicable(StorageConfig $config);
+
+    /**
+     * Gets all storages, valid or not
+     *
+     * @return StorageConfig[] array of storage configs
+     */
+    public function getAllStorages() {
+        return $this->readConfig();
+    }
+
+    /**
+     * Gets all valid storages
+     *
+     * @return StorageConfig[]
+     */
+    public function getStorages() {
+        return array_filter($this->getAllStorages(), [$this, 'validateStorage']);
+    }
+
+    /**
+     * Validate storage
+     * FIXME: De-duplicate with StoragesController::validate()
+     *
+     * @param StorageConfig $storage
+     * @return bool
+     */
+    protected function validateStorage(StorageConfig $storage) {
+        /** @var Backend */
+        $backend = $storage->getBackend();
+        /** @var AuthMechanism */
+        $authMechanism = $storage->getAuthMechanism();
+
+        if (!$backend->isVisibleFor($this->getVisibilityType())) {
+            // not permitted to use backend
+            return false;
+        }
+        if (!$authMechanism->isVisibleFor($this->getVisibilityType())) {
+            // not permitted to use auth mechanism
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Get the visibility type for this controller, used in validation
+     *
+     * @return string BackendService::VISIBILITY_* constants
+     */
+    abstract public function getVisibilityType();
+
+    /**
+     * @return integer
+     */
+    protected function getType() {
+        return DBConfigService::MOUNT_TYPE_ADMIN;
+    }
+
+    /**
+     * Add new storage to the configuration
+     *
+     * @param StorageConfig $newStorage storage attributes
+     *
+     * @return StorageConfig storage config, with added id
+     */
+    public function addStorage(StorageConfig $newStorage) {
+        $allStorages = $this->readConfig();
+
+        $configId = $this->dbConfig->addMount(
+            $newStorage->getMountPoint(),
+            $newStorage->getBackend()->getIdentifier(),
+            $newStorage->getAuthMechanism()->getIdentifier(),
+            $newStorage->getPriority(),
+            $this->getType()
+        );
+
+        $newStorage->setId($configId);
+
+        foreach ($newStorage->getApplicableUsers() as $user) {
+            $this->dbConfig->addApplicable($configId, DBConfigService::APPLICABLE_TYPE_USER, $user);
+        }
+        foreach ($newStorage->getApplicableGroups() as $group) {
+            $this->dbConfig->addApplicable($configId, DBConfigService::APPLICABLE_TYPE_GROUP, $group);
+        }
+        foreach ($newStorage->getBackendOptions() as $key => $value) {
+            $this->dbConfig->setConfig($configId, $key, $value);
+        }
+        foreach ($newStorage->getMountOptions() as $key => $value) {
+            $this->dbConfig->setOption($configId, $key, $value);
+        }
+
+        if (count($newStorage->getApplicableUsers()) === 0 && count($newStorage->getApplicableGroups()) === 0) {
+            $this->dbConfig->addApplicable($configId, DBConfigService::APPLICABLE_TYPE_GLOBAL, null);
+        }
+
+        // add new storage
+        $allStorages[$configId] = $newStorage;
+
+        $this->triggerHooks($newStorage, Filesystem::signal_create_mount);
+
+        $newStorage->setStatus(StorageNotAvailableException::STATUS_SUCCESS);
+        return $newStorage;
+    }
+
+    /**
+     * Create a storage from its parameters
+     *
+     * @param string $mountPoint storage mount point
+     * @param string $backendIdentifier backend identifier
+     * @param string $authMechanismIdentifier authentication mechanism identifier
+     * @param array $backendOptions backend-specific options
+     * @param array|null $mountOptions mount-specific options
+     * @param array|null $applicableUsers users for which to mount the storage
+     * @param array|null $applicableGroups groups for which to mount the storage
+     * @param int|null $priority priority
+     *
+     * @return StorageConfig
+     */
+    public function createStorage(
+        $mountPoint,
+        $backendIdentifier,
+        $authMechanismIdentifier,
+        $backendOptions,
+        $mountOptions = null,
+        $applicableUsers = null,
+        $applicableGroups = null,
+        $priority = null
+    ) {
+        $backend = $this->backendService->getBackend($backendIdentifier);
+        if (!$backend) {
+            $backend = new InvalidBackend($backendIdentifier);
+        }
+        $authMechanism = $this->backendService->getAuthMechanism($authMechanismIdentifier);
+        if (!$authMechanism) {
+            $authMechanism = new InvalidAuth($authMechanismIdentifier);
+        }
+        $newStorage = new StorageConfig();
+        $newStorage->setMountPoint($mountPoint);
+        $newStorage->setBackend($backend);
+        $newStorage->setAuthMechanism($authMechanism);
+        $newStorage->setBackendOptions($backendOptions);
+        if (isset($mountOptions)) {
+            $newStorage->setMountOptions($mountOptions);
+        }
+        if (isset($applicableUsers)) {
+            $newStorage->setApplicableUsers($applicableUsers);
+        }
+        if (isset($applicableGroups)) {
+            $newStorage->setApplicableGroups($applicableGroups);
+        }
+        if (isset($priority)) {
+            $newStorage->setPriority($priority);
+        }
+
+        return $newStorage;
+    }
+
+    /**
+     * Triggers the given hook signal for all the applicables given
+     *
+     * @param string $signal signal
+     * @param string $mountPoint hook mount pount param
+     * @param string $mountType hook mount type param
+     * @param array $applicableArray array of applicable users/groups for which to trigger the hook
+     */
+    protected function triggerApplicableHooks($signal, $mountPoint, $mountType, $applicableArray) {
+        foreach ($applicableArray as $applicable) {
+            \OCP\Util::emitHook(
+                Filesystem::CLASSNAME,
+                $signal,
+                [
+                    Filesystem::signal_param_path => $mountPoint,
+                    Filesystem::signal_param_mount_type => $mountType,
+                    Filesystem::signal_param_users => $applicable,
+                ]
+            );
+        }
+    }
+
+    /**
+     * Triggers $signal for all applicable users of the given
+     * storage
+     *
+     * @param StorageConfig $storage storage data
+     * @param string $signal signal to trigger
+     */
+    abstract protected function triggerHooks(StorageConfig $storage, $signal);
+
+    /**
+     * Triggers signal_create_mount or signal_delete_mount to
+     * accommodate for additions/deletions in applicableUsers
+     * and applicableGroups fields.
+     *
+     * @param StorageConfig $oldStorage old storage data
+     * @param StorageConfig $newStorage new storage data
+     */
+    abstract protected function triggerChangeHooks(StorageConfig $oldStorage, StorageConfig $newStorage);
+
+    /**
+     * Update storage to the configuration
+     *
+     * @param StorageConfig $updatedStorage storage attributes
+     *
+     * @return StorageConfig storage config
+     * @throws NotFoundException if the given storage does not exist in the config
+     */
+    public function updateStorage(StorageConfig $updatedStorage) {
+        $id = $updatedStorage->getId();
+
+        $existingMount = $this->dbConfig->getMountById($id);
+
+        if (!is_array($existingMount)) {
+            throw new NotFoundException('Storage with ID "' . $id . '" not found while updating storage');
+        }
+
+        $oldStorage = $this->getStorageConfigFromDBMount($existingMount);
+
+        if ($oldStorage->getBackend() instanceof InvalidBackend) {
+            throw new NotFoundException('Storage with id "' . $id . '" cannot be edited due to missing backend');
+        }
+
+        $removedUsers = array_diff($oldStorage->getApplicableUsers(), $updatedStorage->getApplicableUsers());
+        $removedGroups = array_diff($oldStorage->getApplicableGroups(), $updatedStorage->getApplicableGroups());
+        $addedUsers = array_diff($updatedStorage->getApplicableUsers(), $oldStorage->getApplicableUsers());
+        $addedGroups = array_diff($updatedStorage->getApplicableGroups(), $oldStorage->getApplicableGroups());
+
+        $oldUserCount = count($oldStorage->getApplicableUsers());
+        $oldGroupCount = count($oldStorage->getApplicableGroups());
+        $newUserCount = count($updatedStorage->getApplicableUsers());
+        $newGroupCount = count($updatedStorage->getApplicableGroups());
+        $wasGlobal = ($oldUserCount + $oldGroupCount) === 0;
+        $isGlobal = ($newUserCount + $newGroupCount) === 0;
+
+        foreach ($removedUsers as $user) {
+            $this->dbConfig->removeApplicable($id, DBConfigService::APPLICABLE_TYPE_USER, $user);
+        }
+        foreach ($removedGroups as $group) {
+            $this->dbConfig->removeApplicable($id, DBConfigService::APPLICABLE_TYPE_GROUP, $group);
+        }
+        foreach ($addedUsers as $user) {
+            $this->dbConfig->addApplicable($id, DBConfigService::APPLICABLE_TYPE_USER, $user);
+        }
+        foreach ($addedGroups as $group) {
+            $this->dbConfig->addApplicable($id, DBConfigService::APPLICABLE_TYPE_GROUP, $group);
+        }
+
+        if ($wasGlobal && !$isGlobal) {
+            $this->dbConfig->removeApplicable($id, DBConfigService::APPLICABLE_TYPE_GLOBAL, null);
+        } else if (!$wasGlobal && $isGlobal) {
+            $this->dbConfig->addApplicable($id, DBConfigService::APPLICABLE_TYPE_GLOBAL, null);
+        }
+
+        $changedConfig = array_diff_assoc($updatedStorage->getBackendOptions(), $oldStorage->getBackendOptions());
+        $changedOptions = array_diff_assoc($updatedStorage->getMountOptions(), $oldStorage->getMountOptions());
+
+        foreach ($changedConfig as $key => $value) {
+            if ($value !== DefinitionParameter::UNMODIFIED_PLACEHOLDER) {
+                $this->dbConfig->setConfig($id, $key, $value);
+            }
+        }
+        foreach ($changedOptions as $key => $value) {
+            $this->dbConfig->setOption($id, $key, $value);
+        }
+
+        if ($updatedStorage->getMountPoint() !== $oldStorage->getMountPoint()) {
+            $this->dbConfig->setMountPoint($id, $updatedStorage->getMountPoint());
+        }
+
+        if ($updatedStorage->getAuthMechanism()->getIdentifier() !== $oldStorage->getAuthMechanism()->getIdentifier()) {
+            $this->dbConfig->setAuthBackend($id, $updatedStorage->getAuthMechanism()->getIdentifier());
+        }
+
+        $this->triggerChangeHooks($oldStorage, $updatedStorage);
+
+        if (($wasGlobal && !$isGlobal) || count($removedGroups) > 0) { // to expensive to properly handle these on the fly
+            $this->userMountCache->remoteStorageMounts($this->getStorageId($updatedStorage));
+        } else {
+            $storageId = $this->getStorageId($updatedStorage);
+            foreach ($removedUsers as $userId) {
+                $this->userMountCache->removeUserStorageMount($storageId, $userId);
+            }
+        }
+
+        return $this->getStorage($id);
+    }
+
+    /**
+     * Delete the storage with the given id.
+     *
+     * @param int $id storage id
+     *
+     * @throws NotFoundException if no storage was found with the given id
+     */
+    public function removeStorage($id) {
+        $existingMount = $this->dbConfig->getMountById($id);
+
+        if (!is_array($existingMount)) {
+            throw new NotFoundException('Storage with ID "' . $id . '" not found');
+        }
+
+        $this->dbConfig->removeMount($id);
+
+        $deletedStorage = $this->getStorageConfigFromDBMount($existingMount);
+        $this->triggerHooks($deletedStorage, Filesystem::signal_delete_mount);
+
+        // delete oc_storages entries and oc_filecache
+        try {
+            $rustyStorageId = $this->getRustyStorageIdFromConfig($deletedStorage);
+            \OC\Files\Cache\Storage::remove($rustyStorageId);
+        } catch (\Exception $e) {
+            // can happen either for invalid configs where the storage could not
+            // be instantiated or whenever $user vars where used, in which case
+            // the storage id could not be computed
+            \OC::$server->getLogger()->logException($e, [
+                'level' => ILogger::ERROR,
+                'app' => 'files_external',
+            ]);
+        }
+    }
+
+    /**
+     * Returns the rusty storage id from oc_storages from the given storage config.
+     *
+     * @param StorageConfig $storageConfig
+     * @return string rusty storage id
+     */
+    private function getRustyStorageIdFromConfig(StorageConfig $storageConfig) {
+        // if any of the storage options contains $user, it is not possible
+        // to compute the possible storage id as we don't know which users
+        // mounted it already (and we certainly don't want to iterate over ALL users)
+        foreach ($storageConfig->getBackendOptions() as $value) {
+            if (strpos($value, '$user') !== false) {
+                throw new \Exception('Cannot compute storage id for deletion due to $user vars in the configuration');
+            }
+        }
+
+        // note: similar to ConfigAdapter->prepateStorageConfig()
+        $storageConfig->getAuthMechanism()->manipulateStorageConfig($storageConfig);
+        $storageConfig->getBackend()->manipulateStorageConfig($storageConfig);
+
+        $class = $storageConfig->getBackend()->getStorageClass();
+        $storageImpl = new $class($storageConfig->getBackendOptions());
+
+        return $storageImpl->getId();
+    }
+
+    /**
+     * Construct the storage implementation
+     *
+     * @param StorageConfig $storageConfig
+     * @return int
+     */
+    private function getStorageId(StorageConfig $storageConfig) {
+        try {
+            $class = $storageConfig->getBackend()->getStorageClass();
+            /** @var \OC\Files\Storage\Storage $storage */
+            $storage = new $class($storageConfig->getBackendOptions());
+
+            // auth mechanism should fire first
+            $storage = $storageConfig->getBackend()->wrapStorage($storage);
+            $storage = $storageConfig->getAuthMechanism()->wrapStorage($storage);
+
+            return $storage->getStorageCache()->getNumericId();
+        } catch (\Exception $e) {
+            return -1;
+        }
+    }
 }