Don't allow opening of files we know cannot be edited; closes #2286

resources/scripts/api/transformers.ts

@@ -19,7 +19,6 @@ export const rawDataToFileObject = (data: FractalResponseData): FileObject => ({
     size: Number(data.attributes.size),
     isFile: data.attributes.is_file,
     isSymlink: data.attributes.is_symlink,
-    isEditable: data.attributes.is_editable,
     mimetype: data.attributes.mimetype,
     createdAt: new Date(data.attributes.created_at),
     modifiedAt: new Date(data.attributes.modified_at),
@@ -39,6 +38,19 @@ export const rawDataToFileObject = (data: FractalResponseData): FileObject => ({
             'application/zip', // .zip
         ].indexOf(this.mimetype) >= 0;
     },
+
+    isEditable: function () {
+        if (this.isArchiveType() || !this.isFile) return false;
+
+        const matches = [
+            'application/jar',
+            'application/octet-stream',
+            'inode/directory',
+            /^image\//,
+        ];
+
+        return matches.every(m => !this.mimetype.match(m));
+    },
 });
 
 export const rawDataToServerBackup = ({ attributes }: FractalResponseData): ServerBackup => ({