/**
* Fetch a zip file from a link.
*/
public static function fetch($url)
{
$path = parse_url($url, PHP_URL_PATH);
if (strpos($path, '/zipball/') !== false) {
// Fix zip file links from Github
$path = current(explode('/zipball/', $path)) . '.zip';
}
$base = basename($path);
$tmp = 'cache/zip/' . $base;
if (!is_dir('cache/zip')) {
mkdir('cache/zip');
chmod('cache/zip', 0777);
}
if (extension_loaded('curl')) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_VERBOSE, 0);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_MAXREDIRS, 3);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_FAILONERROR, 0);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setproxy($ch, $url);
$res = curl_exec($ch);
curl_close($ch);
} else {
$res = file_get_contents($url);
}
if ($res === false) {
self::$error = __('Failed to retrieve the file at the specified link.');
return false;
}
if (!file_put_contents($tmp, $res)) {
self::$error = __('Unable to write to cache folder.');
return false;
}
chmod($tmp, 0777);
return array('tmp_name' => $tmp, 'name' => $base);
}
