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<?php |
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namespace vipnytt\RobotsTxtParser\Parser\Directives; |
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use vipnytt\RobotsTxtParser\Client\Directives\DisAllowClient; |
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use vipnytt\RobotsTxtParser\Exceptions; |
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use vipnytt\RobotsTxtParser\RobotsTxtInterface; |
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/** |
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* Class DisAllowParser |
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* |
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* @package vipnytt\RobotsTxtParser\Parser\Directives |
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*/ |
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class DisAllowParser implements ParserInterface, RobotsTxtInterface |
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{ |
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use DirectiveParserCommons; |
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/** |
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* Sub directives white list |
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*/ |
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const SUB_DIRECTIVES = [ |
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self::DIRECTIVE_CLEAN_PARAM, |
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self::DIRECTIVE_HOST, |
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]; |
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/** |
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* Directive |
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* @var string |
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*/ |
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private $directive; |
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/** |
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* Base Uri |
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* @var string |
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*/ |
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private $base; |
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/** |
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* Path |
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* @var array |
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*/ |
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private $path = []; |
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/** |
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* Sub-directive Clean-param |
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* @var CleanParamParser |
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*/ |
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private $cleanParam; |
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/** |
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* Sub-directive Host |
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* @var HostParser |
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*/ |
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private $host; |
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/** |
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* DisAllow constructor |
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* |
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* @param string $base |
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* @param string $directive |
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*/ |
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public function __construct($base, $directive) |
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{ |
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$this->base = $base; |
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$this->directive = $this->validateDirective($directive, [self::DIRECTIVE_DISALLOW, self::DIRECTIVE_ALLOW]); |
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$this->cleanParam = new CleanParamParser(); |
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$this->host = new HostParser($this->base, $this->directive); |
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} |
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/** |
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* Add |
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* |
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* @param string $line |
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* @return bool |
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*/ |
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public function add($line) |
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{ |
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$pair = $this->generateRulePair($line, self::SUB_DIRECTIVES); |
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switch ($pair['directive']) { |
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case self::DIRECTIVE_CLEAN_PARAM: |
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return $this->cleanParam->add($pair['value']); |
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case self::DIRECTIVE_HOST: |
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return $this->host->add($pair['value']); |
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} |
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return $this->addPath($line); |
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} |
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/** |
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* Add plain path to allow/disallow |
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* |
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* @param string $path |
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* @return bool |
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*/ |
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private function addPath($path) |
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{ |
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if (in_array($path, $this->path)) { |
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return false; |
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} |
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$this->path[] = $path; |
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return true; |
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} |
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/** |
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* Render |
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* |
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* @return string[] |
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*/ |
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public function render() |
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{ |
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$result = []; |
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$values = array_merge( |
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$this->path, |
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$this->cleanParam->render(), |
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$this->host->render() |
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); |
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foreach ($values as $value) { |
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$result[] = $this->directive . ':' . $value; |
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} |
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sort($result); |
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return $result; |
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} |
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/** |
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* Client |
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* |
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* @return DisAllowClient |
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*/ |
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public function client() |
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{ |
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return new DisAllowClient($this->path, $this->host->client(), $this->cleanParam->client()); |
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} |
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} |
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VIPnytt /
RobotsTxtParser
