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82 lines
1.7 KiB
PHP
82 lines
1.7 KiB
PHP
<?php
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/**
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*
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* This file is part of the phpBB Forum Software package.
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*
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* @copyright (c) phpBB Limited <https://www.phpbb.com>
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* @license GNU General Public License, version 2 (GPL-2.0)
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*
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* For full copyright and license information, please see
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* the docs/CREDITS.txt file.
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*
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*/
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namespace phpbb\lock;
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use phpbb\cache\driver\driver_interface as cache_interface;
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use phpbb\config\config;
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use phpbb\request\request_interface;
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class posting
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{
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/** @var cache_interface */
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private $cache;
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/** @var config */
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private $config;
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/** @var request_interface */
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private $request;
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/** @var string */
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private $lock_name = '';
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/**
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* Constructor for posting lock
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*
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* @param cache_interface $cache
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* @param config $config
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* @param request_interface $request
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*/
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public function __construct(cache_interface $cache, config $config, request_interface $request)
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{
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$this->cache = $cache;
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$this->config = $config;
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$this->request = $request;
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}
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/**
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* Get lock name
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* @return string Lock name
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*/
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private function lock_name(): string
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{
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if ($this->lock_name)
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{
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return $this->lock_name;
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}
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$creation_time = abs($this->request->variable('creation_time', 0));
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$token = $this->request->variable('form_token', '');
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return sha1(((string) $creation_time) . $token) . '_posting_lock';
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}
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/**
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* Acquire lock for current posting form submission
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*
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* @return bool True if lock could be acquired, false if not
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*/
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public function acquire(): bool
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{
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// Lock is held for session, cannot acquire it
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if ($this->cache->_exists($this->lock_name()))
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{
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return false;
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}
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$this->cache->put($this->lock_name(), true, $this->config['flood_interval']);
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return true;
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}
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} |