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<?php |
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/** |
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* This file is part of the PHP Generics package. |
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* |
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* @package Generics |
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*/ |
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namespace Generics\Util; |
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use Generics\Socket\InvalidUrlException; |
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use Generics\Socket\Url; |
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/** |
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* This class provides a parser to retrieve Url objects out of arbitrary URIs |
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* |
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* @author Maik Greubel <[email protected]> |
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*/ |
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class UrlParser |
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{ |
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/** |
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* Parse a URI into a Url |
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* |
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* @param string $url |
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* @throws InvalidUrlException |
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* @return \Generics\Socket\Url |
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*/ |
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public static function parseUrl($url): Url |
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{ |
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$parts = parse_url($url); |
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if (false === $parts || false === Arrays::hasElement($parts, 'host') || false === Arrays::hasElement($parts, 'scheme')) { |
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throw new InvalidUrlException('The URL {url} does not contain necessary parts', array('url' => $url)); |
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} |
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$address = $parts['host']; |
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$scheme = $parts['scheme']; |
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$query = (isset($parts['query']) ? $parts['query'] : ''); |
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$port = 0; |
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$path = "/"; |
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if (isset($parts['port'])) { |
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$port = intval($parts['port']); |
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} |
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if ($port == 0) { |
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$port = self::getPortByScheme($scheme); |
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} |
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if (isset($parts['path'])) { |
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$path = $parts['path']; |
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} |
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return new Url($address, $port, $path, $scheme, $query); |
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} |
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/** |
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* Get port number by scheme name. |
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* The port will be the default which is defined by |
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* http://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers |
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* |
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* @param string $scheme |
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* The scheme. |
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* @throws InvalidUrlException |
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* @return int |
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*/ |
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public static function getPortByScheme($scheme): int |
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{ |
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switch ($scheme) { |
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case 'http': |
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return 80; |
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case 'https': |
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return 443; |
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case 'ftp': |
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return 21; |
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default: |
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throw new InvalidUrlException("Scheme {scheme} is not handled!", array( |
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'scheme' => $scheme |
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)); |
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} |
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} |
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} |
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maikgreubel /
phpgenerics
