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sources/apps/updater/lib/downloader.php
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<?php
/**
* ownCloud - Updater plugin
*
* @author Victor Dubiniuk
* @copyright 2012-2013 Victor Dubiniuk victor.dubiniuk@gmail.com
*
* This file is licensed under the Affero General Public License version 3 or
* later.
*/
namespace OCA\Updater;
class Downloader {
const PACKAGE_ROOT = 'owncloud';
protected static $package = false;
public static function getPackage($url, $version) {
self::$package = \OCP\Files::tmpFile();
if (!self::$package){
throw new \Exception('Unable to create a temporary file');
}
try {
if (file_put_contents(self::$package, self::fetch($url))===false) {
throw new \Exception("Error storing package content");
}
if (preg_match('/\.zip$/i', $url)) {
rename(self::$package, self::$package . '.zip');
self::$package .= '.zip';
} elseif (preg_match('/(\.tgz|\.tar\.gz)$/i', $url)) {
rename(self::$package, self::$package . '.tgz');
self::$package .= '.tgz';
} elseif (preg_match('/\.tar\.bz2$/i', $url)) {
rename(self::$package, self::$package . '.tar.bz2');
self::$package .= '.tar.bz2';
} else {
throw new \Exception('Unable to extract package');
}
$extractDir = self::getPackageDir($version);
Helper::mkdir($extractDir, true);
$archive = \OC_Archive::open(self::$package);
if (!$archive || !$archive->extract($extractDir)) {
throw new \Exception(self::$package . " extraction error");
}
} catch (\Exception $e){
App::log('Retrieving ' . $url);
self::cleanUp($version);
throw $e;
}
Helper::removeIfExists(self::$package);
// Prepare extracted data
// to have '3rdparty', 'apps' and 'core' subdirectories
$sources = Helper::getSources($version);
$baseDir = $extractDir. '/' . self::PACKAGE_ROOT;
@rename($baseDir . '/' . Helper::THIRDPARTY_DIRNAME, $sources[Helper::THIRDPARTY_DIRNAME]);
@rename($baseDir . '/' . Helper::APP_DIRNAME, $sources[Helper::APP_DIRNAME]);
@rename($baseDir, $sources[Helper::CORE_DIRNAME]);
}
/* To be replaced with OC_Util::getUrlContent for 5.x */
public static function fetch($url){
if (function_exists('curl_init')) {
$curl = curl_init();
curl_setopt($curl, CURLOPT_HEADER, 0);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 0);
curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_USERAGENT, "ownCloud Server Crawler");
$data = curl_exec($curl);
curl_close($curl);
} else {
$ctx = stream_context_create(
array(
'http' => array('timeout' => 32000)
)
);
$data = @file_get_contents($url, 0, $ctx);
}
return $data;
}
public static function cleanUp($version){
if (self::$package) {
Helper::removeIfExists(self::$package);
}
Helper::removeIfExists(self::getPackageDir($version));
}
public static function isClean($version){
return !@file_exists(self::getPackageDir($version));
}
public static function getPackageDir($version) {
return App::getBackupBase() . $version;
}
}
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