83 lines
2.5 KiB
PHP
83 lines
2.5 KiB
PHP
<?php
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/*
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* This file is part of Composer.
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*
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* (c) Nils Adermann <naderman@naderman.de>
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* Jordi Boggiano <j.boggiano@seld.be>
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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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namespace Composer\Repository\Pear;
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use Composer\Util\RemoteFilesystem;
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/**
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* Base PEAR Channel reader.
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*
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* Provides xml namespaces and red
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*
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* @author Alexey Prilipko <palex@farpost.com>
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*/
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abstract class BaseChannelReader
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{
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/**
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* PEAR REST Interface namespaces
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*/
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const CHANNEL_NS = 'http://pear.php.net/channel-1.0';
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const ALL_CATEGORIES_NS = 'http://pear.php.net/dtd/rest.allcategories';
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const CATEGORY_PACKAGES_INFO_NS = 'http://pear.php.net/dtd/rest.categorypackageinfo';
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const ALL_PACKAGES_NS = 'http://pear.php.net/dtd/rest.allpackages';
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const ALL_RELEASES_NS = 'http://pear.php.net/dtd/rest.allreleases';
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const PACKAGE_INFO_NS = 'http://pear.php.net/dtd/rest.package';
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/** @var RemoteFilesystem */
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private $rfs;
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protected function __construct(RemoteFilesystem $rfs)
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{
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$this->rfs = $rfs;
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}
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/**
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* Read content from remote filesystem.
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*
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* @param $origin string server
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* @param $path string relative path to content
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* @throws \UnexpectedValueException
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* @return \SimpleXMLElement
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*/
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protected function requestContent($origin, $path)
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{
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$url = rtrim($origin, '/') . '/' . ltrim($path, '/');
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$content = $this->rfs->getContents($origin, $url, false);
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if (!$content) {
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throw new \UnexpectedValueException('The PEAR channel at ' . $url . ' did not respond.');
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}
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return str_replace('http://pear.php.net/rest/', 'https://pear.php.net/rest/', $content);
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}
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/**
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* Read xml content from remote filesystem
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*
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* @param $origin string server
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* @param $path string relative path to content
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* @throws \UnexpectedValueException
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* @return \SimpleXMLElement
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*/
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protected function requestXml($origin, $path)
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{
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// http://components.ez.no/p/packages.xml is malformed. to read it we must ignore parsing errors.
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$xml = simplexml_load_string($this->requestContent($origin, $path), "SimpleXMLElement", LIBXML_NOERROR);
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if (false === $xml) {
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throw new \UnexpectedValueException(sprintf('The PEAR channel at ' . $origin . ' is broken. (Invalid XML at file `%s`)', $path));
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}
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return $xml;
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}
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}
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