Restrict EXIF extracting to a subset of formats

Signed-off-by: Louis Chemineau <louis@chmn.me>

diff --git a/lib/private/Metadata/Provider/ExifProvider.php b/lib/private/Metadata/Provider/ExifProvider.php
index 4e211e7b6c46e9da61c9c1da80a6ca29cbac7679..b1598abbbc8b72d36168d8780c4fca9fa613aaf4 100644 (file)
--- a/lib/private/Metadata/Provider/ExifProvider.php
+++ b/lib/private/Metadata/Provider/ExifProvider.php
@@ -44,11 +44,15 @@ class ExifProvider implements IMetadataProvider {
                return extension_loaded('exif');
        }
 
-       /** @return array{'gps': FileMetadata, 'size': FileMetadata} */
+       /** @return array{'gps'?: FileMetadata, 'size'?: FileMetadata} */
        public function execute(File $file): array {
                $exifData = [];
                $fileDescriptor = $file->fopen('rb');
 
+               if ($fileDescriptor === false) {
+                       return [];
+               }
+
                $data = null;
                try {
                        // Needed to make reading exif data reliable.
@@ -107,7 +111,7 @@ class ExifProvider implements IMetadataProvider {
        }
 
        public static function getMimetypesSupported(): string {
-               return '/image\/.*/';
+               return '/image\/(png|jpeg|heif|webp|tiff)/';
        }
 
        /**