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| <?php | |
| /** | |
| * PrivateBin | |
| * | |
| * a zero-knowledge paste bin | |
| * | |
| * @link https://github.com/PrivateBin/PrivateBin | |
| * @copyright 2012 Sébastien SAUVAGE (sebsauvage.net) | |
| * @license https://www.opensource.org/licenses/zlib-license.php The zlib/libpng License | |
| * @version 1.3.4 | |
| */ | |
| namespace PrivateBin; | |
| use PrivateBin\Model\Paste; | |
| use PrivateBin\Persistence\PurgeLimiter; | |
| /** | |
| * Model | |
| * | |
| * Factory of PrivateBin instance models. | |
| */ | |
| class Model | |
| { | |
| /** | |
| * Configuration. | |
| * | |
| * @var Configuration | |
| */ | |
| private $_conf; | |
| /** | |
| * Data storage. | |
| * | |
| * @var Data\AbstractData | |
| */ | |
| private $_store = null; | |
| /** | |
| * Factory constructor. | |
| * | |
| * @param configuration $conf | |
| */ | |
| public function __construct(Configuration $conf) | |
| { | |
| $this->_conf = $conf; | |
| } | |
| /** | |
| * Get a paste, optionally a specific instance. | |
| * | |
| * @param string $pasteId | |
| * @return Paste | |
| */ | |
| public function getPaste($pasteId = null) | |
| { | |
| $paste = new Paste($this->_conf, $this->_getStore()); | |
| if ($pasteId !== null) { | |
| $paste->setId($pasteId); | |
| } | |
| return $paste; | |
| } | |
| /** | |
| * Checks if a purge is necessary and triggers it if yes. | |
| */ | |
| public function purge() | |
| { | |
| PurgeLimiter::setConfiguration($this->_conf); | |
| if (PurgeLimiter::canPurge()) { | |
| $this->_getStore()->purge($this->_conf->getKey('batchsize', 'purge')); | |
| } | |
| } | |
| /** | |
| * Gets, and creates if neccessary, a store object | |
| * | |
| * @return Data\AbstractData | |
| */ | |
| private function _getStore() | |
| { | |
| if ($this->_store === null) { | |
| $this->_store = forward_static_call( | |
| 'PrivateBin\\Data\\' . $this->_conf->getKey('class', 'model') . '::getInstance', | |
| $this->_conf->getSection('model_options') | |
| ); | |
| } | |
| return $this->_store; | |
| } | |
| } |