googleapis_auth/lib/src/access_token.dart

// Copyright (c) 2021, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

/// An OAuth2 access token.
class AccessToken {
  /// The token type, usually "Bearer"
  final String type;

  /// The access token data.
  final String data;

  /// Time at which the token will be expired (UTC time)
  final DateTime expiry;

  /// [expiry] must be a UTC `DateTime`.
  AccessToken(this.type, this.data, this.expiry) {
    if (!expiry.isUtc) {
      throw ArgumentError.value(
        expiry,
        'expiry',
        'The expiry date must be a Utc DateTime.',
      );
    }
  }

  factory AccessToken.fromJson(Map<String, dynamic> json) => AccessToken(
        json['type'] as String,
        json['data'] as String,
        DateTime.parse(json['expiry'] as String),
      );

  bool get hasExpired => DateTime.now().toUtc().isAfter(expiry);

  @override
  String toString() => 'AccessToken(type=$type, data=$data, expiry=$expiry)';

  Map<String, dynamic> toJson() => <String, dynamic>{
        'type': type,
        'data': data,
        'expiry': expiry.toIso8601String(),
      };
}