public static function update()
{
$file_id = (int) $_REQUEST['file_id'];
$file = MediaFile::find_by_id($file_id);
if (isset($_REQUEST['slug'])) {
self::simulate_temporary_episode_slug($_REQUEST['slug']);
}
$info = $file->determine_file_size();
$file->save();
$result = array();
$result['file_url'] = $file->get_file_url();
$result['file_id'] = $file_id;
$result['reachable'] = podlove_is_resolved_and_reachable_http_status($info['http_code']);
$result['file_size'] = $file->size;
if (!$result['reachable']) {
$info['certinfo'] = print_r($info['certinfo'], true);
$info['php_open_basedir'] = ini_get('open_basedir');
$info['php_safe_mode'] = ini_get('safe_mode');
$info['php_curl'] = in_array('curl', get_loaded_extensions());
$info['curl_exec'] = function_exists('curl_exec');
$errorLog = "--- # Can't reach {$file->get_file_url()}\n";
$errorLog .= "--- # Please include this output when you report a bug\n";
foreach ($info as $key => $value) {
$errorLog .= "{$key}: {$value}\n";
}
\Podlove\Log::get()->addError($errorLog);
}
Ajax::respond_with_json($result);
}
/**
* Validate media file headers.
*
* @todo $this->id not available for first validation before media_file has been saved
* @param array $response curl response
*/
private function validate_request($response)
{
// skip unsaved media files
if (!$this->id) {
return;
}
$header = $response['header'];
if ($response['error']) {
Log::get()->addError('Curl Error: ' . $response['error'], array('media_file_id' => $this->id));
}
// skip validation if ETag did not change
if ((int) $header["http_code"] === 304) {
return;
}
// look for ETag and safe for later
if (podlove_is_resolved_and_reachable_http_status($header["http_code"]) && preg_match('/ETag:\\s*"([^"]+)"/i', $response['response'], $matches)) {
$this->etag = $matches[1];
} else {
$this->etag = NULL;
}
do_action('podlove_media_file_content_has_changed', $this->id);
// verify HTTP header
if (!preg_match("/^[23]\\d\\d\$/", $header["http_code"])) {
Log::get()->addError('Unexpected http response when trying to access remote media file.', array('media_file_id' => $this->id, 'http_code' => $header["http_code"]));
return;
}
// check that content length exists and hasn't changed
if (!isset($header['download_content_length']) || $header['download_content_length'] <= 0) {
Log::get()->addWarning('Unable to read "Content-Length" header. Impossible to determine file size.', array('media_file_id' => $this->id, 'mime_type' => $header['content_type'], 'expected_mime_type' => $mime_type));
} elseif ($header['download_content_length'] != $this->size) {
Log::get()->addInfo('Change of media file content length detected.', array('media_file_id' => $this->id, 'old_size' => $this->size, 'new_size' => $header['download_content_length']));
}
// check if mime type matches asset mime type
$mime_type = $this->episode_asset()->file_type()->mime_type;
if ($header['content_type'] != $mime_type) {
Log::get()->addWarning('Media file mime type does not match expected asset mime type.', array('media_file_id' => $this->id, 'mime_type' => $header['content_type'], 'expected_mime_type' => $mime_type));
}
}
