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<?php
/**
* @author Robin McCorkell <rmccorkell@owncloud.com>
*
* @copyright Copyright (c) 2015, ownCloud, Inc.
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCA\Files_External\Lib\Auth;
use \OCA\Files_External\Lib\StorageConfig;
use \OCA\Files_External\Lib\VisibilityTrait;
use \OCA\Files_External\Lib\IdentifierTrait;
use \OCA\Files_External\Lib\FrontendDefinitionTrait;
use \OCA\Files_External\Lib\StorageModifierTrait;
/**
* Authentication mechanism
*
* An authentication mechanism can have services injected during construction,
* such as \OCP\IDB for database operations. This allows an authentication
* mechanism to perform advanced operations based on provided information.
*
* An authenication scheme defines the parameter interface, common to the
* storage implementation, the backend and the authentication mechanism.
* A storage implementation expects parameters according to the authentication
* scheme, which are provided from the authentication mechanism.
*
* This class uses the following traits:
* - VisibilityTrait
* Restrict usage to admin-only/none
* - FrontendDefinitionTrait
* Specify configuration parameters and other definitions
* - StorageModifierTrait
* 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';
use VisibilityTrait;
use FrontendDefinitionTrait;
use StorageModifierTrait;
use IdentifierTrait;
/** @var string */
protected $scheme;
/**
* Get the authentication scheme implemented
* See self::SCHEME_* constants
*
* @return string
*/
public function getScheme() {
return $this->scheme;
}
/**
* @param string $scheme
* @return self
*/
public function setScheme($scheme) {
$this->scheme = $scheme;
return $this;
}
/**
* Serialize into JSON for client-side JS
*
* @return array
*/
public function jsonSerialize() {
$data = $this->jsonSerializeDefinition();
$data['scheme'] = $this->getScheme();
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;
}
return $this->validateStorageDefinition($storage);
}
}
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