/usr/share/php/Composer/Repository/Pear/ChannelReader.php is in composer 1.0.0~beta2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 | <?php
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Composer\Repository\Pear;
use Composer\Util\RemoteFilesystem;
/**
* PEAR Channel package reader.
*
* Reads channel packages info from and builds Package's
*
* @author Alexey Prilipko <palex@farpost.com>
*/
class ChannelReader extends BaseChannelReader
{
/** @var array of ('xpath test' => 'rest implementation') */
private $readerMap;
public function __construct(RemoteFilesystem $rfs)
{
parent::__construct($rfs);
$rest10reader = new ChannelRest10Reader($rfs);
$rest11reader = new ChannelRest11Reader($rfs);
$this->readerMap = array(
'REST1.3' => $rest11reader,
'REST1.2' => $rest11reader,
'REST1.1' => $rest11reader,
'REST1.0' => $rest10reader,
);
}
/**
* Reads PEAR channel through REST interface and builds list of packages
*
* @param $url string PEAR Channel url
* @throws \UnexpectedValueException
* @return ChannelInfo
*/
public function read($url)
{
$xml = $this->requestXml($url, "/channel.xml");
$channelName = (string) $xml->name;
$channelSummary = (string) $xml->summary;
$channelAlias = (string) $xml->suggestedalias;
$supportedVersions = array_keys($this->readerMap);
$selectedRestVersion = $this->selectRestVersion($xml, $supportedVersions);
if (!$selectedRestVersion) {
throw new \UnexpectedValueException(sprintf('PEAR repository %s does not supports any of %s protocols.', $url, implode(', ', $supportedVersions)));
}
$reader = $this->readerMap[$selectedRestVersion['version']];
$packageDefinitions = $reader->read($selectedRestVersion['baseUrl']);
return new ChannelInfo($channelName, $channelAlias, $packageDefinitions);
}
/**
* Reads channel supported REST interfaces and selects one of them
*
* @param $channelXml \SimpleXMLElement
* @param $supportedVersions string[] supported PEAR REST protocols
* @return array|null hash with selected version and baseUrl
*/
private function selectRestVersion($channelXml, $supportedVersions)
{
$channelXml->registerXPathNamespace('ns', self::CHANNEL_NS);
foreach ($supportedVersions as $version) {
$xpathTest = "ns:servers/ns:*/ns:rest/ns:baseurl[@type='{$version}']";
$testResult = $channelXml->xpath($xpathTest);
foreach ($testResult as $result) {
// Choose first https:// option.
$result = (string) $result;
if (preg_match('{^https://}i', $result)) {
return array('version' => $version, 'baseUrl' => $result);
}
}
// Fallback to non-https if it does not exist.
if (count($testResult) > 0) {
return array('version' => $version, 'baseUrl' => (string) $testResult[0]);
}
}
return null;
}
}
|