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<?php |
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/** |
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* The MIT License (MIT) |
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* |
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* Copyright (c) 2015 Krishnaprasad MG <[email protected]> |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all |
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* copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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namespace Sunspikes\Ratelimit\Throttle\Throttler; |
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use Sunspikes\Ratelimit\Cache\Adapter\CacheAdapterInterface; |
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use Sunspikes\Ratelimit\Time\TimeAdapterInterface; |
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abstract class AbstractWindowThrottler |
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{ |
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/** |
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* @var CacheAdapterInterface |
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*/ |
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protected $cache; |
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/** |
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* @var int|null |
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*/ |
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protected $cacheTtl; |
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/** |
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* @var int |
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*/ |
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protected $hitLimit; |
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/** |
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* @var string |
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*/ |
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protected $key; |
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/** |
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* @var int |
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*/ |
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protected $timeLimit; |
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/** |
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* @var TimeAdapterInterface |
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*/ |
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protected $timeProvider; |
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/** |
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* @param CacheAdapterInterface $cache |
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* @param TimeAdapterInterface $timeAdapter |
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* @param string $key Cache key prefix |
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* @param int $hitLimit Maximum number of hits |
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* @param int $timeLimit Length of window |
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* @param int|null $cacheTtl Cache ttl time (default: null => CacheAdapter ttl) |
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*/ |
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public function __construct( |
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CacheAdapterInterface $cache, |
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TimeAdapterInterface $timeAdapter, |
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$key, |
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$hitLimit, |
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$timeLimit, |
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$cacheTtl = null |
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) { |
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$this->cache = $cache; |
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$this->timeProvider = $timeAdapter; |
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$this->key = $key; |
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$this->hitLimit = $hitLimit; |
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$this->timeLimit = $timeLimit; |
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$this->cacheTtl = $cacheTtl; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function access() |
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{ |
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$status = $this->check(); |
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$this->hit(); |
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return $status; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function check() |
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{ |
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return $this->count() < $this->hitLimit; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function getTime() |
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{ |
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return $this->timeLimit; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function getLimit() |
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{ |
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return $this->hitLimit; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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abstract public function hit(); |
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/** |
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* @inheritdoc |
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*/ |
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abstract public function count(); |
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} |
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