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<?php |
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/** |
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* This file is part of the m1\stash-silex library |
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* |
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* (c) m1 <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* @package m1/stash-silex |
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* @version 0.1.0 |
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* @author Miles Croxford <[email protected]> |
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* @copyright Copyright (c) Miles Croxford <[email protected]> |
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* @license http://github.com/m1/stashsilex/blob/master/LICENSE |
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* @link http://github.com/m1/stashsilex/blob/master/README.MD Documentation |
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*/ |
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namespace M1\StashSilex; |
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use Silex\Application; |
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use Silex\ServiceProviderInterface; |
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/** |
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* The StashServiceProvider provides the stash service to silex |
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* |
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* @since 0.1.0 |
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*/ |
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class StashServiceProvider implements ServiceProviderInterface |
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{ |
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/** |
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* The session handler before this service provider checks to see if it should set a session handler |
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* |
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* @var null |
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*/ |
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private $session_handler; |
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/** |
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* Registers the service provider, sets the user defined options and sets the session handler |
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* |
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* @param \Silex\Application $app The silex app |
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*/ |
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public function register(Application $app) |
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{ |
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$app['pool.default_options'] = array( |
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'driver' => 'Ephemeral', |
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'session' => false, |
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'logger' => false, |
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); |
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$app['pools.options.init'] = $app->protect(function () use ($app) { |
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static $init = false; |
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if ($init) { |
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return; |
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} |
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$init = true; |
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$app['pools.options'] = self::createOptions($app); |
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}); |
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$app['pools'] = $app->share(function () use ($app) { |
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$app['pools.options.init'](); |
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return self::createPools($app); |
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}); |
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$this->session_handler = isset($app['session.storage.handler']) ? $app['session.storage.handler'] : array(); |
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$app['session.storage.handler'] = $app->share(function () use ($app) { |
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$app['pools.options.init'](); |
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foreach ($app['pools.options'] as $name => $options) { |
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if (isset($options['session']) && $options['session']) { |
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$session_options = (is_array($options['session'])) ? $options['session'] : array(); |
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return new StashSessionHandler($app['pools'][$name], $session_options); |
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} |
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} |
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return $this->session_handler; |
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}); |
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$app['pool'] = $app->share(function ($app) { |
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$pools = $app['pools']; |
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return $pools[$app['pools.default']]; |
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}); |
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} |
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/** |
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* The silex service provider boot function |
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* |
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* @param \Silex\Application $app The silex app |
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* |
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* @codeCoverageIgnore |
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*/ |
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public function boot(Application $app) |
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{ |
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} |
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/** |
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* Creates and parses the options from the user options |
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* |
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* @param \Silex\Application $app The silex app |
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* |
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* @return array $options The parsed options |
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*/ |
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private static function createOptions($app) |
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{ |
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if (!isset($app['pools.options'])) { |
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$app['pools.options'] = array( |
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'default' => isset($app['pool.options']) ? $app['pool.options'] : array() |
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); |
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} |
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$tmp = $app['pools.options']; |
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$options = array(); |
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foreach ($tmp as $name => $opts) { |
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$options[$name] = array_replace($app['pool.default_options'], $opts); |
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if (!isset($app['pools.default'])) { |
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$app['pools.default'] = $name; |
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} |
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} |
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return $options; |
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} |
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/** |
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* Creates the pools with user defined options |
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* |
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* @param \Silex\Application $app The silex app |
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* |
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* @return \Pimple $pools The pools in the pimple container |
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*/ |
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private static function createPools($app) |
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{ |
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$pools = new \Pimple(); |
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foreach ($app['pools.options'] as $name => $options) { |
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$pool = new \Stash\Pool(self::fetchDriver($options)); |
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$pool->setLogger(self::fetchLogger($app, $options)); |
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$pools[$name] = $pools->share(function () use ($pool) { |
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return $pool; |
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}); |
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} |
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return $pools; |
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} |
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/** |
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* Fetches the driver if exists, else throws exception |
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* |
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* @param array $options The options for Stash |
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* |
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* @throws \InvalidArgumentException If the driver class can not be found |
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* |
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* @return mixed Instance of the driver class |
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*/ |
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private static function fetchDriver($options) |
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{ |
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$driver = sprintf('Stash\Driver\%s', $options['driver']); |
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if (!class_exists($driver)) { |
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throw new \InvalidArgumentException(sprintf('\'%s\' driver class does not exist', $driver)); |
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} |
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$driver = new \ReflectionClass($driver); |
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$driver_options = (isset($options['options'])) ? $options['options'] : array(); |
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$driver = $driver->newInstanceArgs(array($driver_options)); |
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return $driver; |
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} |
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/** |
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* Fetches the driver if exists, else throws exception |
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* |
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* @param \Silex\Application $app The silex app |
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* @param array $options The options for Stash |
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* |
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* @throws \InvalidArgumentException If the logger service does not exist |
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* |
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* @return mixed The logger service |
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*/ |
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private static function fetchLogger($app, $options) |
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{ |
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if (isset($options['logger']) && $options['logger']) { |
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$logger = $options['logger']; |
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if (!isset($app[$logger])) { |
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throw new \InvalidArgumentException( |
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sprintf('\'%s\' logger not defined as service in app container', $logger) |
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); |
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} |
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return $app[$options['logger']]; |
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} |
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return null; |
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} |
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} |
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m1 /
StashSilex
