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| <?php | |
| /** | |
| * | |
| * This file is part of the phpBB Forum Software package. | |
| * | |
| * @copyright (c) phpBB Limited <https://www.phpbb.com> | |
| * @license GNU General Public License, version 2 (GPL-2.0) | |
| * | |
| * For full copyright and license information, please see | |
| * the docs/CREDITS.txt file. | |
| * | |
| */ | |
| namespace phpbb\lock; | |
| use phpbb\cache\driver\driver_interface as cache_interface; | |
| use phpbb\config\config; | |
| class posting | |
| { | |
| /** @var cache_interface */ | |
| private $cache; | |
| /** @var config */ | |
| private $config; | |
| /** @var string */ | |
| private $lock_name = ''; | |
| /** | |
| * Constructor for posting lock | |
| * | |
| * @param cache_interface $cache | |
| * @param config $config | |
| */ | |
| public function __construct(cache_interface $cache, config $config) | |
| { | |
| $this->cache = $cache; | |
| $this->config = $config; | |
| } | |
| /** | |
| * Set lock name | |
| * | |
| * @param int $creation_time Creation time of form, must be checked already | |
| * @param string $form_token Form token used for form, must be checked already | |
| * | |
| * @return void | |
| */ | |
| private function set_lock_name(int $creation_time, string $form_token): void | |
| { | |
| $this->lock_name = sha1(((string) $creation_time) . $form_token) . '_posting_lock'; | |
| } | |
| /** | |
| * Acquire lock for current posting form submission | |
| * | |
| * @param int $creation_time Creation time of form, must be checked already | |
| * @param string $form_token Form token used for form, must be checked already | |
| * | |
| * @return bool True if lock could be acquired, false if not | |
| */ | |
| public function acquire(int $creation_time, string $form_token): bool | |
| { | |
| $this->set_lock_name($creation_time, $form_token); | |
| // Lock is held for session, cannot acquire it unless special flag for testing is set | |
| if ($this->cache->_exists($this->lock_name) && !$this->config->offsetExists('ci_tests_no_lock_posting')) | |
| { | |
| return false; | |
| } | |
| $this->cache->put($this->lock_name, true, $this->config['flood_interval']); | |
| return true; | |
| } | |
| } |