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<?php |
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namespace whm\Smoke\Extensions\SmokeFilter; |
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use phmLabs\Components\Annovent\Event\Event; |
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use whm\Smoke\Http\Response; |
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use whm\Smoke\Yaml\EnvAwareYaml; |
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/** |
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* Class FilterExtension. |
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* |
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* @example for filter file |
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* |
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* filters: |
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* _HttpHeaderSuccessStatus: |
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* - http://www.wunderweib.de/tag/ |
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* - http://www.amilio.de/old-but-mandatory-file/ |
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* - http://www.amilio.de/images/(.*) |
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* |
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* exclusive: |
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* _HttpHeaderSuccessStatus: |
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* - http://www.wunderweib.de/tag/ |
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* - http://www.amilio.de/old-but-mandatory-file/ |
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*/ |
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class FilterExtension |
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{ |
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private $filters = array(); |
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private $exclusives = array(); |
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private $currentModus = self::MODUS_FILTER; |
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const MODUS_FILTER = 'filter'; |
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const MODUS_EXCLUSIVE = 'exclusive'; |
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public function init($filters = array(), $filterFile = '', $exclusive = array()) |
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{ |
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if (count($exclusive) > 0 && (count($filters) > 0 || $filterFile !== '')) { |
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throw new \RuntimeException("It's not possible to define filter lists and an exclusive list at the same time [Extension: " . get_class($this) . '].'); |
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} |
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if ($filterFile !== '') { |
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if (!file_exists($filterFile)) { |
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throw new \RuntimeException('Filter file not found: ' . $filterFile); |
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} |
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$filterElements = EnvAwareYaml::parse(file_get_contents($filterFile)); |
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foreach ($filterElements['filters'] as $rule => $uris) { |
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foreach ($uris as $uri) { |
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$this->filters[] = array('rule' => $rule, 'uri' => $uri); |
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} |
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} |
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} elseif (!is_null($filters)) { |
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foreach ($filters as $rule => $filteredUrls) { |
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if (!is_null($filteredUrls)) { |
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foreach ($filteredUrls as $uri) { |
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$this->filters[] = array('rule' => $rule, 'uri' => $uri); |
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} |
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} |
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} |
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} |
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if (count($exclusive) > 0) { |
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$this->exclusives = $exclusive; |
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$this->currentModus = self::MODUS_EXCLUSIVE; |
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} |
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} |
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/** |
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* @Event("Scanner.CheckResponse.isFiltered") |
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*/ |
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public function isFiltered(Event $event, $ruleName, Response $response) |
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{ |
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if ($this->currentModus === self::MODUS_FILTER) { |
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$isFiltered = $this->isFilteredByFilter($ruleName, $response); |
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} else { |
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$isFiltered = $this->isFilteredByExclusives($ruleName, $response); |
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} |
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if ($isFiltered) { |
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$event->setProcessed(); |
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return true; |
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} else { |
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return false; |
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} |
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} |
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private function isFilteredByFilter($ruleName, Response $response) |
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{ |
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foreach ($this->filters as $filter) { |
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if ($ruleName === $filter['rule'] && 0 < preg_match('$' . $filter['uri'] . '$', (string) $response->getUri())) { |
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return true; |
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} |
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} |
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return false; |
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} |
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private function isFilteredByExclusives($ruleName, Response $response) |
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{ |
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if (array_key_exists($ruleName, $this->exclusives)) { |
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if (in_array((string) $response->getUri(), $this->exclusives[$ruleName], true)) { |
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return false; |
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} |
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} |
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return true; |
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} |
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} |
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phmLabs /
Smoke
