public function output()
{
if ($this->maxAge && isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) && $_SERVER['HTTP_IF_MODIFIED_SINCE'] == infraRequestUtils::formatHttpTime($this->lastModified)) {
infraRequestUtils::sendCachingHeaders($this->maxAge, false, $this->lastModified);
header("HTTP/1.1 304 Not Modified");
return;
}
$useXsendFile = false;
$rangeLength = null;
if (!$this->fileData && $this->xSendFileAllowed && in_array('mod_xsendfile', apache_get_modules())) {
$useXsendFile = true;
} else {
list($rangeFrom, $rangeTo, $rangeLength) = infraRequestUtils::handleRangeRequest($this->fileSize);
}
if (class_exists('KalturaMonitorClient')) {
KalturaMonitorClient::monitorDumpFile($this->fileSize, $this->filePath);
}
infraRequestUtils::sendCdnHeaders($this->fileExt, $rangeLength, $this->maxAge, $this->mimeType, false, $this->lastModified);
// return "Accept-Ranges: bytes" header. Firefox looks for it when playing ogg video files
// upon detecting this header it cancels its original request and starts sending byte range requests
header("Accept-Ranges: bytes");
header("Access-Control-Allow-Origin:*");
if ($this->fileData) {
echo substr($this->fileData, $rangeFrom, $rangeLength);
} else {
if ($useXsendFile) {
header('X-Kaltura-Sendfile:');
header("X-Sendfile: {$this->filePath}");
} else {
infraRequestUtils::dumpFilePart($this->filePath, $rangeFrom, $rangeLength);
}
}
}
