admin: new route to check file on disk

libfic/file.go

@@ -261,3 +261,14 @@ func ClearFiles() (int64, error) {
 func (f EFile) GetOrigin() string {
 	return f.origin
 }
+
+// CheckFileOnDisk recalculates the hash of the file on disk.
+func (f EFile) CheckFileOnDisk() error {
+	if _, size, err := checkFileHash(path.Join(FilesDir, f.Path), f.Checksum); err != nil {
+		return err
+	} else if size == 0 {
+		return errors.New("Empty file!")
+	} else {
+		return nil
+	}
+}