/**
* Sends an asset file to the client
*
* @param \Cake\Network\Request $request The request object to use.
* @param \Cake\Network\Response $response The response object to use.
* @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(Request $request, Response $response, $assetFile, $ext)
{
$compressionEnabled = $response->compress();
if ($response->type($ext) === $ext) {
$contentType = 'application/octet-stream';
$agent = $request->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) {
$response->header('Content-Length', filesize($assetFile));
}
$response->cache(filemtime($assetFile), $this->_cacheTime);
$response->sendHeaders();
readfile($assetFile);
if ($compressionEnabled) {
ob_end_flush();
}
}
/**
* Tests the cache method
*
* @return void
*/
public function testCache()
{
$response = new Response();
$since = time();
$time = new \DateTime('+1 day', new \DateTimeZone('UTC'));
$response->expires('+1 day');
$expected = ['Date' => gmdate("D, j M Y G:i:s ", $since) . 'GMT', 'Last-Modified' => gmdate("D, j M Y H:i:s ", $since) . 'GMT', 'Expires' => $time->format('D, j M Y H:i:s') . ' GMT', 'Cache-Control' => 'public, max-age=' . ($time->format('U') - time())];
$response->cache($since);
$this->assertEquals($expected, $response->header());
$response = new Response();
$since = time();
$time = '+5 day';
$expected = ['Date' => gmdate("D, j M Y G:i:s ", $since) . 'GMT', 'Last-Modified' => gmdate("D, j M Y H:i:s ", $since) . 'GMT', 'Expires' => gmdate("D, j M Y H:i:s", strtotime($time)) . " GMT", 'Cache-Control' => 'public, max-age=' . (strtotime($time) - time())];
$response->cache($since, $time);
$this->assertEquals($expected, $response->header());
$response = new Response();
$since = time();
$time = time();
$expected = ['Date' => gmdate("D, j M Y G:i:s ", $since) . 'GMT', 'Last-Modified' => gmdate("D, j M Y H:i:s ", $since) . 'GMT', 'Expires' => gmdate("D, j M Y H:i:s", $time) . " GMT", 'Cache-Control' => 'public, max-age=0'];
$response->cache($since, $time);
$this->assertEquals($expected, $response->header());
}
/**
* Sends an asset file to the client
*
* @param \Cake\Network\Request $request The request object to use.
* @param \Cake\Network\Response $response The response object to use.
* @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 _deliverCacheFile(Request $request, Response $response, $file, $ext)
{
$compressionEnabled = $response->compress();
if ($response->type($ext) === $ext) {
$contentType = 'application/octet-stream';
$agent = $request->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) {
$response->header('Content-Length', filesize($file));
}
$content = file_get_contents($file);
$cacheInfo = $this->extractCacheInfo($content);
$modifiedTime = filemtime($file);
$cacheTime = $cacheInfo['time'];
if (!$cacheTime) {
$cacheTime = $this->_cacheTime;
}
$response->cache($modifiedTime, $cacheTime);
$response->type($cacheInfo['ext']);
if (Configure::read('debug') || $this->config('debug')) {
if ($cacheInfo['ext'] === 'html') {
$content = '<!--created:' . $modifiedTime . '-->' . $content;
}
}
$response->body($content);
}
