public function render()
{
if ($this->getStatus() === Http::STATUS_NOT_FOUND) {
return '';
}
$info = $this->view->getFileInfo($this->path);
$this->ETag = $info['etag'];
$content = $this->view->file_get_contents($this->path);
$data = \OCA\Richdocuments\Filter::read($content, $info['mimetype']);
$size = strlen($data['content']);
if (isset($this->request->server['HTTP_RANGE']) && !is_null($this->request->server['HTTP_RANGE'])) {
$isValidRange = preg_match('/^bytes=\\d*-\\d*(,\\d*-\\d*)*$/', $this->request->server['HTTP_RANGE']);
if (!$isValidRange) {
return $this->sendRangeNotSatisfiable($size);
}
$ranges = explode(',', substr($this->request->server['HTTP_RANGE'], 6));
foreach ($ranges as $range) {
$parts = explode('-', $range);
if ($parts[0] === '' && $parts[1] == '') {
$this->sendNotSatisfiable($size);
}
if ($parts[0] === '') {
$start = $size - $parts[1];
$end = $size - 1;
} else {
$start = $parts[0];
$end = $parts[1] === '' ? $size - 1 : $parts[1];
}
if ($start > $end) {
$this->sendNotSatisfiable($size);
}
$buffer = substr($data['content'], $start, $end - $start);
$md5Sum = md5($buffer);
// send the headers and data
$this->addHeader('Content-Length', $end - $start);
$this->addHeader('Content-md5', $md5Sum);
$this->addHeader('Accept-Ranges', 'bytes');
$this->addHeader('Content-Range', 'bytes ' . $start . '-' . $end . '/' . $size);
$this->addHeader('Connection', 'close');
$this->addHeader('Content-Type', $data['mimetype']);
$this->addContentDispositionHeader();
return $buffer;
}
}
$this->addHeader('Content-Type', $data['mimetype']);
$this->addContentDispositionHeader();
$this->addHeader('Content-Length', $size);
return $data['content'];
}