You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
105 lines
3.0 KiB
105 lines
3.0 KiB
import 'dart:convert';
|
|
import 'package:Envelope/utils/encryption/aes_helper.dart';
|
|
import 'package:Envelope/utils/encryption/crypto_utils.dart';
|
|
import 'package:pointycastle/impl.dart';
|
|
import 'package:shared_preferences/shared_preferences.dart';
|
|
|
|
class MyProfile {
|
|
String id;
|
|
String username;
|
|
RSAPrivateKey? privateKey;
|
|
RSAPublicKey? publicKey;
|
|
DateTime? loggedInAt;
|
|
|
|
MyProfile({
|
|
required this.id,
|
|
required this.username,
|
|
this.privateKey,
|
|
this.publicKey,
|
|
this.loggedInAt,
|
|
});
|
|
|
|
factory MyProfile._fromJson(Map<String, dynamic> json) {
|
|
DateTime loggedInAt = DateTime.now();
|
|
if (json.containsKey('logged_in_at')) {
|
|
loggedInAt = DateTime.parse(json['logged_in_at']);
|
|
}
|
|
|
|
return MyProfile(
|
|
id: json['user_id'],
|
|
username: json['username'],
|
|
privateKey: CryptoUtils.rsaPrivateKeyFromPem(json['asymmetric_private_key']),
|
|
publicKey: CryptoUtils.rsaPublicKeyFromPem(json['asymmetric_public_key']),
|
|
loggedInAt: loggedInAt,
|
|
);
|
|
}
|
|
|
|
@override
|
|
String toString() {
|
|
return '''
|
|
user_id: $id
|
|
username: $username
|
|
logged_in_at: $loggedInAt
|
|
public_key: $publicKey
|
|
private_key: $privateKey
|
|
''';
|
|
}
|
|
|
|
String toJson() {
|
|
return jsonEncode(<String, dynamic>{
|
|
'user_id': id,
|
|
'username': username,
|
|
'asymmetric_private_key': privateKey != null ?
|
|
CryptoUtils.encodeRSAPrivateKeyToPem(privateKey!) :
|
|
null,
|
|
'asymmetric_public_key': publicKey != null ?
|
|
CryptoUtils.encodeRSAPublicKeyToPem(publicKey!) :
|
|
null,
|
|
'logged_in_at': loggedInAt?.toIso8601String(),
|
|
});
|
|
}
|
|
|
|
static Future<MyProfile> login(Map<String, dynamic> json, String password) async {
|
|
json['asymmetric_private_key'] = AesHelper.aesDecrypt(
|
|
password,
|
|
base64.decode(json['asymmetric_private_key'])
|
|
);
|
|
MyProfile profile = MyProfile._fromJson(json);
|
|
final preferences = await SharedPreferences.getInstance();
|
|
preferences.setString('profile', profile.toJson());
|
|
return profile;
|
|
}
|
|
|
|
static Future<void> logout() async {
|
|
final preferences = await SharedPreferences.getInstance();
|
|
preferences.remove('profile');
|
|
}
|
|
|
|
static Future<MyProfile> getProfile() async {
|
|
final preferences = await SharedPreferences.getInstance();
|
|
String? profileJson = preferences.getString('profile');
|
|
if (profileJson == null) {
|
|
throw Exception('No profile');
|
|
}
|
|
return MyProfile._fromJson(json.decode(profileJson));
|
|
}
|
|
|
|
static Future<bool> isLoggedIn() async {
|
|
MyProfile profile = await MyProfile.getProfile();
|
|
if (profile.loggedInAt == null) {
|
|
return false;
|
|
}
|
|
return profile.loggedInAt!.isBefore(
|
|
(DateTime.now()).add(const Duration(hours: 12))
|
|
);
|
|
}
|
|
|
|
Future<RSAPrivateKey> getPrivateKey() async {
|
|
MyProfile profile = await MyProfile.getProfile();
|
|
if (profile.privateKey == null) {
|
|
throw Exception('Could not get privateKey');
|
|
}
|
|
return profile.privateKey!;
|
|
}
|
|
}
|
|
|