/**
* Sends content to the client.
*
* @param string $content Content
* @param string $contentType Content type
* @param int $lastModified HTTP Last-Modified Timestamp
* @param string $etag HTTP Cachekey to identify the cache
*/
public static function sendContent($content, $contentType = null, $lastModified = null, $etag = null)
{
if (!self::$sentContentType) {
self::sendContentType($contentType);
}
if (!self::$sentCacheControl) {
self::sendCacheControl();
}
$environment = rex::isBackend() ? 'backend' : 'frontend';
if (self::$httpStatus == self::HTTP_OK && (false === strpos($_SERVER['HTTP_USER_AGENT'], 'Safari') || false !== strpos($_SERVER['HTTP_USER_AGENT'], 'Chrome'))) {
// ----- Last-Modified
if (!self::$sentLastModified && (rex::getProperty('use_last_modified') === true || rex::getProperty('use_last_modified') === $environment)) {
self::sendLastModified($lastModified);
}
// ----- ETAG
if (!self::$sentEtag && (rex::getProperty('use_etag') === true || rex::getProperty('use_etag') === $environment)) {
self::sendEtag($etag ?: self::md5($content));
}
}
// ----- GZIP
if (rex::getProperty('use_gzip') === true || rex::getProperty('use_gzip') === $environment) {
$content = self::sendGzip($content);
}
self::cleanOutputBuffers();
header('HTTP/1.1 ' . self::$httpStatus);
// content length schicken, damit der browser einen ladebalken anzeigen kann
header('Content-Length: ' . rex_string::size($content));
echo $content;
if (function_exists('fastcgi_finish_request')) {
fastcgi_finish_request();
}
}
public function sendMedia($sourceCacheFilename, $headerCacheFilename, $save = false)
{
if ($this->asImage) {
$src = $this->getImageSource();
} else {
$src = rex_file::get($this->getMediapath());
}
$this->setHeader('Content-Length', rex_string::size($src));
$header = $this->getHeader();
if (!array_key_exists('Content-Type', $header)) {
$finfo = finfo_open(FILEINFO_MIME_TYPE);
$content_type = finfo_file($finfo, $this->getMediapath());
if ($content_type != '') {
$this->setHeader('Content-Type', $content_type);
}
}
if (!array_key_exists('Content-Disposition', $header)) {
$this->setHeader('Content-Disposition', 'inline; filename="' . $this->getMediaFilename() . '";');
}
if (!array_key_exists('Last-Modified', $header)) {
$this->setHeader('Last-Modified', gmdate('D, d M Y H:i:s T'));
}
rex_response::cleanOutputBuffers();
foreach ($this->header as $t => $c) {
header($t . ': ' . $c);
}
echo $src;
if ($save) {
rex_file::putCache($headerCacheFilename, $this->header);
rex_file::put($sourceCacheFilename, $src);
}
}
/**
* Writes a request to the opened connection.
*
* @param string $method HTTP method, e.g. "GET"
* @param string $path Path
* @param array $headers Headers
* @param string|callable $data Body data as string or a callback for writing the body
*
* @throws rex_socket_exception
*
* @return rex_socket_response Response
*/
protected function writeRequest($method, $path, array $headers = [], $data = '')
{
$eol = "\r\n";
$headerStrings = [];
$headerStrings[] = strtoupper($method) . ' ' . $path . ' HTTP/1.1';
foreach ($headers as $key => $value) {
$headerStrings[] = $key . ': ' . $value;
}
foreach ($headerStrings as $header) {
fwrite($this->stream, str_replace(["\r", "\n"], '', $header) . $eol);
}
if (!is_callable($data)) {
fwrite($this->stream, 'Content-Length: ' . rex_string::size($data) . $eol);
fwrite($this->stream, $eol . $data);
} else {
call_user_func($data, $this->stream);
}
$meta = stream_get_meta_data($this->stream);
if (isset($meta['timed_out']) && $meta['timed_out']) {
throw new rex_socket_exception('Timeout!');
}
return new rex_socket_response($this->stream);
}
public function testSize()
{
$this->assertEquals(3, rex_string::size('aä'));
}
