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<?php |
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/** |
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* This file is part of the O2System Framework package. |
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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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* @author Steeve Andrian Salim |
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* @copyright Copyright (c) Steeve Andrian Salim |
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*/ |
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// ------------------------------------------------------------------------ |
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namespace O2System\Security\Protections; |
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// ------------------------------------------------------------------------ |
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use O2System\Kernel\Http\Message\Request; |
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use O2System\Security\Protections\Throttle\Consumer; |
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use O2System\Security\Protections\Throttle\Rate; |
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/** |
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* Class Throttle |
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* @package O2System\Security\Protections |
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*/ |
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class Throttle |
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{ |
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protected $key; |
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protected $repository; |
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protected $rate; |
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protected $consumer; |
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public function __construct() |
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{ |
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$this->repository = new Throttle\Repository(); |
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} |
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public function setKey($key) |
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{ |
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$this->key = $key; |
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} |
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public function getConsumerData($consumerId) |
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{ |
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if (class_exists('\O2System\Framework', false) or class_exists('\O2System\Reactor', false)) { |
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return cache()->get('throttle-' . $consumerId); |
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} |
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} |
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public function rate(array $config = []) |
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{ |
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$this->rate = new Rate($config); |
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} |
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public function request(Request $request) |
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{ |
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$this->consumer = new Consumer([ |
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'ipAddress' => $request->getClientIpAddress(), |
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'userAgent' => $request->getClientUserAgent(), |
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]); |
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$consumerId = empty($this->key) ? '' : $this->key . '.'; |
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$consumerId .= $this->consumer->getId(); |
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if ($this->repository->has($consumerId)) { |
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$consumerData = $this->repository->get($consumerId); |
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$consumerData[ 'id' ] = $consumerId; |
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$consumerData[ 'currentCallTime' ] = $request->getTime(); |
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$consumerData[ 'attempts' ] = 1; |
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$this->consumer->merge($consumerData); |
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} else { |
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$consumerData = $this->consumer->getArrayCopy(); |
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$consumerData[ 'id' ] = $consumerId; |
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$consumerData[ 'lastCallTime' ] = $consumerData[ 'currentCallTime' ] = $request->getTime(); |
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$consumerData[ 'attempts' ] = $consumerData[ 'attempts' ] + 1; |
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$this->repository->store($consumerId, $consumerData); |
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} |
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} |
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public function verify() |
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{ |
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$currentTime = strtotime(date('r')); |
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$timeCall = abs($this->consumer[ 'lastCallTime' ] - $currentTime); |
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$this->consumer[ 'lastCallTime' ] = $currentTime; |
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if ($timeCall > $this->rate[ 'span' ]) { |
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return false; |
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} elseif ($this->consumer[ 'attempts' ] > $this->rate[ 'attempts' ]) { |
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return false; |
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} |
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return true; |
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} |
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} |
o2system /
security
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