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<?php |
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/** |
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* vipnytt/RobotsTxtParser |
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* |
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* @link https://github.com/VIPnytt/RobotsTxtParser |
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* @license https://github.com/VIPnytt/RobotsTxtParser/blob/master/LICENSE The MIT License (MIT) |
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*/ |
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namespace vipnytt\RobotsTxtParser\Parser\Directives; |
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use vipnytt\RobotsTxtParser\Parser\UriParser; |
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use vipnytt\RobotsTxtParser\RobotsTxtInterface; |
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/** |
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* Class HostParser |
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* |
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* @link http://tools.ietf.org/html/rfc952 |
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* |
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* @package vipnytt\RobotsTxtParser\Parser\Directives |
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*/ |
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abstract class HostParserCore implements ParserInterface, RobotsTxtInterface |
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{ |
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/** |
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* Base uri |
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* @var string |
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*/ |
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protected $base; |
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/** |
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* Effective uri |
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* @var string |
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*/ |
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protected $effective; |
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/** |
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* Host values |
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* @var string[] |
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*/ |
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protected $host = []; |
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/** |
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* HostParser constructor. |
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* |
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* @param string $base |
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* @param string $effective |
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*/ |
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public function __construct($base, $effective) |
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{ |
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$this->base = $base; |
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$this->effective = $effective; |
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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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$host = $this->parse($line); |
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if ($host === false || |
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$host !== $line || |
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in_array($host, $this->host) |
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) { |
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return false; |
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} |
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$this->host[] = $line; |
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return true; |
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} |
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/** |
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* Parse |
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* |
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* @param string $line |
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* @return string|false |
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*/ |
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private function parse($line) |
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{ |
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$uriParser = new UriParser($line); |
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$line = $uriParser->encode(); |
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if ($uriParser->validateIP() || |
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!$uriParser->validateHost() || |
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( |
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parse_url($line, PHP_URL_SCHEME) !== null && |
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!$uriParser->validateScheme() |
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) |
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) { |
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return false; |
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} |
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$parts = $this->getParts($line); |
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return $parts['scheme'] . $parts['host'] . $parts['port']; |
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} |
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/** |
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* Get URI parts |
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* |
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* @param string $uri |
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* @return string[]|false |
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*/ |
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private function getParts($uri) |
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{ |
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return ($parsed = parse_url($uri)) === false ? false : [ |
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'scheme' => isset($parsed['scheme']) ? $parsed['scheme'] . '://' : '', |
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'host' => isset($parsed['host']) ? $parsed['host'] : $parsed['path'], |
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'port' => isset($parsed['port']) ? ':' . $parsed['port'] : '', |
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]; |
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} |
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} |
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VIPnytt /
RobotsTxtParser
