protected function _deliver(CakeResponse $response, Asset $asset)
{
ob_start();
$compressionEnabled = Configure::read('Asset.compress') && $response->compress();
if ($response->type($asset->extension()) == $asset->extension()) {
$contentType = 'application/octet-stream';
$agent = env('HTTP_USER_AGENT');
if (preg_match('%Opera(/| )([0-9].[0-9]{1,2})%', $agent) || preg_match('/MSIE ([0-9].[0-9]{1,2})/', $agent)) {
$contentType = 'application/octetstream';
}
$response->type($contentType);
}
if (!$compressionEnabled) {
$response->header('Content-Length', $asset->size());
}
$response->cache(filemtime($asset->file));
$response->send();
ob_clean();
echo $asset->content();
if ($compressionEnabled) {
ob_end_flush();
}
}
/**
* Sends an asset file to the client
*
* @param string $assetFile Path to the asset file in the file system
* @param string $ext The extension of the file to determine its mime type
* @return void
*/
protected function _deliverAsset($assetFile, $ext)
{
ob_start();
$compressionEnabled = Configure::read('Asset.compress') && $this->response->compress();
if ($this->response->type($ext) == $ext) {
$contentType = 'application/octet-stream';
$agent = env('HTTP_USER_AGENT');
if (preg_match('%Opera(/| )([0-9].[0-9]{1,2})%', $agent) || preg_match('/MSIE ([0-9].[0-9]{1,2})/', $agent)) {
$contentType = 'application/octetstream';
}
$this->response->type($contentType);
}
$this->response->cache(filemtime($assetFile));
$this->response->send();
ob_clean();
if ($ext === 'css' || $ext === 'js') {
include $assetFile;
} else {
readfile($assetFile);
}
if ($compressionEnabled) {
ob_end_flush();
}
}
/**
* Tests the compress method
*
* @return void
*/
public function testCompress()
{
if (php_sapi_name() !== 'cli') {
$this->markTestSkipped('The response compression can only be tested in cli.');
}
$response = new CakeResponse();
if (ini_get("zlib.output_compression") === '1' || !extension_loaded("zlib")) {
$this->assertFalse($response->compress());
$this->markTestSkipped('Is not possible to test output compression');
}
$_SERVER['HTTP_ACCEPT_ENCODING'] = '';
$result = $response->compress();
$this->assertFalse($result);
$_SERVER['HTTP_ACCEPT_ENCODING'] = 'gzip';
$result = $response->compress();
$this->assertTrue($result);
$this->assertTrue(in_array('ob_gzhandler', ob_list_handlers()));
ob_get_clean();
}
/**
* Display or download the given file
*
* @param string $view Not used
* @param string $layout Not used
* @return mixed
* @throws NotFoundException
*/
public function render($view = null, $layout = null)
{
$name = $download = $extension = $id = $modified = $path = $cache = $mimeType = $compress = null;
extract($this->viewVars, EXTR_OVERWRITE);
if (is_dir($path)) {
$path = $path . $id;
} else {
$path = APP . $path . $id;
}
if (!is_file($path)) {
if (Configure::read('debug')) {
throw new NotFoundException(sprintf('The requested file %s was not found', $path));
}
throw new NotFoundException('The requested file was not found');
}
if (is_array($mimeType)) {
$this->response->type($mimeType);
}
if (isset($extension) && $this->_isActive()) {
$extension = strtolower($extension);
$chunkSize = 8192;
$buffer = '';
$fileSize = @filesize($path);
$handle = fopen($path, 'rb');
if ($handle === false) {
return false;
}
if (!empty($modified) && !is_numeric($modified)) {
$modified = strtotime($modified, time());
} else {
$modified = time();
}
if ($this->response->type($extension) === false) {
$download = true;
}
if ($cache) {
$this->response->cache($modified, $cache);
} else {
$this->response->header(array('Date' => gmdate('D, d M Y H:i:s', time()) . ' GMT', 'Expires' => '0', 'Cache-Control' => 'private, must-revalidate, post-check=0, pre-check=0', 'Pragma' => 'no-cache'));
}
if ($download) {
$agent = env('HTTP_USER_AGENT');
if (preg_match('%Opera(/| )([0-9].[0-9]{1,2})%', $agent)) {
$contentType = 'application/octetstream';
} else {
if (preg_match('/MSIE ([0-9].[0-9]{1,2})/', $agent)) {
$contentType = 'application/force-download';
}
}
if (!empty($contentType)) {
$this->response->type($contentType);
}
if (is_null($name)) {
$name = $id;
}
$this->response->download($name);
$this->response->header(array('Accept-Ranges' => 'bytes'));
$httpRange = env('HTTP_RANGE');
if (isset($httpRange)) {
list($toss, $range) = explode('=', $httpRange);
$size = $fileSize - 1;
$length = $fileSize - $range;
$this->response->header(array('Content-Length' => $length, 'Content-Range' => 'bytes ' . $range . $size . '/' . $fileSize));
$this->response->statusCode(206);
fseek($handle, $range);
} else {
$this->response->header('Content-Length', $fileSize);
}
} else {
$this->response->header(array('Content-Length' => $fileSize));
}
$this->_clearBuffer();
if ($compress) {
$this->_compressionEnabled = $this->response->compress();
}
$this->response->send();
return $this->_sendFile($handle);
}
return false;
}
