function downloadFile($url, $target = false, &$params = null)
{
// this isn't intelligent some times
$error_object = new stdClass();
$proxy = false;
$php_errormsg = '';
// Set the error message
$track_errors = ini_set('track_errors', true);
// Set track errors
$config =& JFactory::getConfig();
if (is_null($params)) {
$params = new JParameter();
}
$input_handle = null;
// Are we on a version of PHP that supports streams?
if (version_compare(PHP_VERSION, '5.0.0', '>')) {
// set the ua; we could use ini_set but it might not work
$http_opts = array('user_agent' => RokUpdater::generateUAString());
// If:
// - the proxy is enabled,
// - the host is set and the port are set
// Set the proxy settings and create a stream context
if ($params->get('use_proxy', 0) && strlen($params->get('proxy_host', '')) && strlen($params->get('proxy_port', ''))) {
$proxy = true;
// I hate eclipse sometimes
// If the user has a proxy username set fill this in as well
$http_opts['proxy'] = 'tcp://' . $params->get('proxy_host') . ':' . $params->get('proxy_port');
$http_opts['request_fulluri'] = 'true';
// play nicely with squid
if (strlen($params->get('proxy_user', ''))) {
$credentials = base64_encode($params->get('proxy_user', '') . ':' . $params->get('proxy_pass', ''));
$http_opts['header'] = "Proxy-Authorization: Basic {$credentials}\r\n";
}
}
$context = stream_context_create(array('http' => $http_opts));
$input_handle = @fopen($url, 'r', false, $context);
} else {
// Open remote server
ini_set('user_agent', generateUAString());
// set the ua
$input_handle = @fopen($url, "r");
// or die("Remote server connection failed");
}
if (!$input_handle) {
$error_object->number = 42;
$error_object->message = 'Remote Server connection failed: ' . $php_errormsg . '; Using Proxy: ' . ($proxy ? 'Yes' : 'No');
ini_set('track_errors', $track_errors);
return $error_object;
}
$meta_data = stream_get_meta_data($input_handle);
foreach ($meta_data['wrapper_data'] as $wrapper_data) {
if (substr($wrapper_data, 0, strlen("Content-Disposition")) == "Content-Disposition") {
$contentfilename = explode("\"", $wrapper_data);
$target = $contentfilename[1];
}
}
// Set the target path if not given
if (!$target) {
$target = $config->getValue('config.tmp_path') . DS . Downloader::getFilenameFromURL($url);
} else {
$target = $config->getValue('config.tmp_path') . DS . basename($target);
}
RokUpdater::import('pasamio.pfactory');
$stream = PFactory::getStream(true, true, 'RokUpdater/' . ROKUPDATER_VERSION, true);
$relative_target = str_replace(JPATH_ROOT, '', $target);
$output_handle = $stream->open($relative_target, 'wb');
//$output_handle = fopen($target, "wb"); // or die("Local output opening failed");
if (!$output_handle) {
$error_object->number = 43;
$error_object->message = 'Local output opening failed: ' . $stream->getError();
ini_set('track_errors', $track_errors);
return $error_object;
}
$contents = '';
$downloaded = 0;
while (!feof($input_handle)) {
$contents = fread($input_handle, 4096);
if ($contents === false) {
$error_object->number = 44;
$error_object->message = 'Failed reading network resource at ' . $downloaded . ' bytes: ' . $php_errormsg;
ini_set('track_errors', $track_errors);
return $error_object;
} else {
if (strlen($contents)) {
$write_res = $stream->write($contents);
if ($write_res == false) {
$error_object->number = 45;
$error_object->message = 'Cannot write to local target: ' . $stream->getError();
ini_set('track_errors', $track_errors);
return $error_object;
}
$downloaded += 1024;
}
}
}
$stream->close();
fclose($input_handle);
ini_set('track_errors', $track_errors);
return basename($target);
}
function downloadFile($url, $target = false, &$params = null)
{
if (!function_exists('curl_init')) {
$error_object = new stdClass();
$error_object->number = 40;
$error_object->message = 'cURL support not available on this host. Use fopen instead.';
return $error_object;
}
$config =& JFactory::getConfig();
if (is_null($params)) {
$params = new JParameter();
}
$php_errormsg = '';
// Set the error message
$track_errors = ini_set('track_errors', true);
// Set track errors
// create a new cURL resource
$ch = curl_init();
// set URL and other appropriate options
curl_setopt($ch, CURLOPT_URL, $url);
// Set the download URL
curl_setopt($ch, CURLOPT_HEADER, false);
// Don't include the header in the output
curl_setopt($ch, CURLOPT_USERAGENT, RokUpdater::generateUAString());
// set the user agent
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
// follow redirects (required for Joomla!)
curl_setopt($ch, CURLOPT_MAXREDIRS, 10);
// 10 maximum redirects
// curl_setopt($ch, CURLOPT_HEADERFUNCTION, // set a custom header callback
// array($this, 'header_callback')); // use this object and function 'header_callback'
if (!$target) {
$target = $config->getValue('config.tmp_path') . DS . Downloader::getFilenameFromURL($url);
}
RokUpdater::import('pasamio.pfactory');
$output_stream = PFactory::getStream(true, true, 'RokUpdater/' . ROKUPDATER_VERSION, true);
$relative_target = str_replace(JPATH_ROOT, '', $target);
$output_handle = $output_stream->open($relative_target, 'wb');
//$output_handle = @fopen($target, "wb"); // Open a location
if (!$output_handle) {
$error_object->number = 43;
$error_object->message = 'Local output opening failed: ' . $output_stream->getError();
ini_set('track_errors', $track_errors);
return $error_object;
}
// since we're using streams we should be able to get everything up and running fine here
curl_setopt($ch, CURLOPT_FILE, $output_stream->getFileHandle());
if ($params->get('use_proxy', 0) && strlen($params->get('proxy_host', '')) && strlen($params->get('proxy_port', ''))) {
curl_setopt($ch, CURLOPT_PROXY, $params->get('proxy_host') . ':' . $params->get('proxy_port'));
if (strlen($params->get('proxy_user', ''))) {
curl_setopt($ch, CURLOPT_PROXYUSERPWD, $params->get('proxy_user') . ':' . $params->get('proxy_pass', ''));
}
}
// grab URL and pass it to the browser
if (curl_exec($ch) === false) {
$error_object->number = 46;
$error_object->message = 'cURL transfer failed(' . curl_errno($ch) . '): ' . curl_error($ch);
ini_set('track_errors', $track_errors);
return $error_object;
}
// close cURL resource, and free up system resources
curl_close($ch);
$output_stream->close();
return basename($target);
}