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<?php |
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/* |
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* This file is part of the puli/installer package. |
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* |
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* (c) Bernhard Schussek <[email protected]> |
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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 Puli\Installer; |
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use RuntimeException; |
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/** |
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* Downloads files. |
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* |
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* This file was adapted from the installer file bundled with Composer. For the |
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* original file, authors and copyright information see |
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* |
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* https://github.com/composer/getcomposer.org/blob/master/web/installer |
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* |
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* @author Nils Adermann <[email protected]> |
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* @author Jordi Boggiano <[email protected]> |
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* @author Thomas Rudolph <[email protected]> |
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* @author Bernhard Schussek <[email protected]> |
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*/ |
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class HttpClient |
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{ |
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/** |
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* @var array |
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*/ |
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private $headers = array( |
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"Connection: close\r\n", |
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"User-Agent: Puli Installer\r\n", |
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); |
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/** |
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* Creates the HTTP client. |
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*/ |
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public function __construct() |
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{ |
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if (extension_loaded('zlib')) { |
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$this->headers[] = "Accept-Encoding: gzip\r\n"; |
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} |
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} |
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/** |
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* Downloads a file. |
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* |
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* @param string $url The URL of the file to download. |
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* |
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* @return string The downloaded file body. |
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*/ |
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public function download($url) |
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{ |
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humbug_set_headers($this->headers); |
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$result = humbug_get_contents($url); |
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if ($result && extension_loaded('zlib')) { |
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$decode = false; |
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foreach (humbug_get_headers() as $header) { |
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if (preg_match('{^content-encoding: *gzip *$}i', $header)) { |
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$decode = true; |
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continue; |
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} elseif (preg_match('{^HTTP/}i', $header)) { |
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$decode = false; |
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} |
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} |
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if ($decode) { |
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$result = version_compare(PHP_VERSION, '5.4.0', '>=') |
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? zlib_decode($result) |
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// work around issue with gzuncompress & co that do not work with all gzip checksums |
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: file_get_contents('compress.zlib://data:application/octet-stream;base64,'.base64_encode($result)); |
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if (!$result) { |
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throw new RuntimeException('Failed to decode zlib stream'); |
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} |
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} |
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} |
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return $result; |
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} |
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} |
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puli /
installer
