- Logger::log('Image: guessType: '.$filename . ($fromcurl?' from curl headers':''), Logger::DEBUG);
- $type = null;
- if ($fromcurl) {
- $headers=[];
- $h = explode("\n", $header);
- foreach ($h as $l) {
- $data = array_map("trim", explode(":", trim($l), 2));
- if (count($data) > 1) {
- list($k,$v) = $data;
- $headers[$k] = $v;
- }
- }
- if (array_key_exists('Content-Type', $headers))
- $type = $headers['Content-Type'];
- }
- if (is_null($type)) {
- // Guessing from extension? Isn't that... dangerous?
- if (class_exists('Imagick') && file_exists($filename) && is_readable($filename)) {
- /**
- * Well, this not much better,
- * but at least it comes from the data inside the image,
- * we won't be tricked by a manipulated extension
- */
- $image = new Imagick($filename);
- $type = $image->getImageMimeType();
- $image->setInterlaceScheme(Imagick::INTERLACE_PLANE);
- } else {
- $ext = pathinfo($filename, PATHINFO_EXTENSION);
- $types = self::supportedTypes();
- $type = "image/jpeg";
- foreach ($types as $m => $e) {
- if ($ext == $e) {
- $type = $m;
- }
- }
- }
- }
- Logger::log('Image: guessType: type='.$type, Logger::DEBUG);
- return $type;