stricter name filter

src/service/mpris.ts

@@ -131,8 +131,8 @@ class MprisPlayer extends GObject.Object {
 
     _cacheCoverArt() {
         this.coverPath = MEDIA_CACHE_PATH + '/' +
-            `${this.trackArtists.join(', ')} - ${this.trackTitle}`
-                .replace(/[\,\*\?\"\<\>\|\#\:\?\/\'\(\)]/g, '');
+            `${this.trackArtists.join(', ')}${this.trackTitle}`
+                .replace(/[^a-zA-Z0-9]/g, '');
 
         if (this.coverPath.length > 255)
             this.coverPath = this.coverPath.substring(0, 255);

src/service/notifications.ts

@@ -180,13 +180,6 @@ class NotificationsService extends Service {
         );
     }
 
-    _filterName(name: string) {
-        return NOTIFICATIONS_CACHE_PATH +
-            '/' +
-            name.replace(/[\ \,\*\?\"\<\>\|\#\:\?\/\!\']/g, '') +
-            '.png';
-    }
-
     _readFromFile() {
         const file = readFile(NOTIFICATIONS_CACHE_PATH + '/notifications.json');
         if (!file)
@@ -212,7 +205,7 @@ class NotificationsService extends Service {
             return null;
 
         ensureDirectory();
-        const fileName = this._filterName(name);
+        const fileName = name.replace(/[^a-zA-Z0-9]/g, '');
         const image = image_data.recursiveUnpack();
         const pixbuf = GdkPixbuf.Pixbuf.new_from_bytes(
             image[6],