matrix-0.8.13/lib/encryption/utils/base64_unpadded.dart

14 lines
391 B
Dart

import 'dart:convert';
import 'dart:typed_data';
/// decodes base64
///
/// Dart's native [base64.decode] requires a padded base64 input String.
/// This function allows unpadded base64 too.
///
/// See: https://github.com/dart-lang/sdk/issues/39510
Uint8List base64decodeUnpadded(String s) {
final needEquals = (4 - (s.length % 4)) % 4;
return base64.decode(s + ('=' * needEquals));
}