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.
304 lines
8.9 KiB
304 lines
8.9 KiB
import 'dart:convert';
|
|
import 'dart:typed_data';
|
|
|
|
import 'package:Envelope/components/flash_message.dart';
|
|
import 'package:Envelope/models/my_profile.dart';
|
|
import 'package:flutter/material.dart';
|
|
import 'package:http/http.dart' as http;
|
|
|
|
import '/utils/encryption/aes_helper.dart';
|
|
import '/utils/encryption/crypto_utils.dart';
|
|
|
|
|
|
class Signup extends StatelessWidget {
|
|
const Signup({Key? key}) : super(key: key);
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return Scaffold(
|
|
appBar: AppBar(
|
|
title: null,
|
|
automaticallyImplyLeading: true,
|
|
//`true` if you want Flutter to automatically add Back Button when needed,
|
|
//or `false` if you want to force your own back button every where
|
|
leading: IconButton(icon: const Icon(Icons.arrow_back),
|
|
onPressed:() => {
|
|
Navigator.pop(context)
|
|
}
|
|
),
|
|
backgroundColor: Colors.transparent,
|
|
shadowColor: Colors.transparent,
|
|
),
|
|
body: const SafeArea(
|
|
child: SignupWidget(),
|
|
)
|
|
);
|
|
}
|
|
}
|
|
|
|
class SignupResponse {
|
|
final String status;
|
|
final String message;
|
|
|
|
const SignupResponse({
|
|
required this.status,
|
|
required this.message,
|
|
});
|
|
|
|
factory SignupResponse.fromJson(Map<String, dynamic> json) {
|
|
return SignupResponse(
|
|
status: json['status'],
|
|
message: json['message'],
|
|
);
|
|
}
|
|
}
|
|
|
|
class SignupWidget extends StatefulWidget {
|
|
const SignupWidget({Key? key}) : super(key: key);
|
|
|
|
@override
|
|
State<SignupWidget> createState() => _SignupWidgetState();
|
|
}
|
|
|
|
class _SignupWidgetState extends State<SignupWidget> {
|
|
final _formKey = GlobalKey<FormState>();
|
|
|
|
final TextEditingController _usernameController = TextEditingController();
|
|
final TextEditingController _passwordController = TextEditingController();
|
|
final TextEditingController _passwordConfirmController = TextEditingController();
|
|
final TextEditingController _serverUrlController = TextEditingController();
|
|
|
|
bool showUrlInput = false;
|
|
|
|
final OutlineInputBorder inputBorderStyle = OutlineInputBorder(
|
|
borderRadius: BorderRadius.circular(5),
|
|
borderSide: const BorderSide(
|
|
color: Colors.transparent,
|
|
)
|
|
);
|
|
|
|
final TextStyle inputTextStyle = const TextStyle(
|
|
fontSize: 18,
|
|
);
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
|
|
final ButtonStyle buttonStyle = ElevatedButton.styleFrom(
|
|
backgroundColor: Theme.of(context).colorScheme.tertiary,
|
|
minimumSize: const Size.fromHeight(50),
|
|
padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 10),
|
|
textStyle: TextStyle(
|
|
fontSize: 20,
|
|
fontWeight: FontWeight.bold,
|
|
color: Theme.of(context).colorScheme.error,
|
|
),
|
|
);
|
|
|
|
return Center(
|
|
child: SingleChildScrollView(
|
|
child: Form(
|
|
key: _formKey,
|
|
child: Center(
|
|
child: Padding(
|
|
padding: const EdgeInsets.only(
|
|
left: 20,
|
|
right: 20,
|
|
top: 0,
|
|
bottom: 100,
|
|
),
|
|
child: Column(
|
|
mainAxisAlignment: MainAxisAlignment.center,
|
|
crossAxisAlignment: CrossAxisAlignment.center,
|
|
children: [
|
|
Text(
|
|
'Sign Up',
|
|
style: TextStyle(
|
|
fontSize: 35,
|
|
color: Theme.of(context).colorScheme.onBackground,
|
|
),
|
|
),
|
|
const SizedBox(height: 30),
|
|
input(
|
|
_usernameController,
|
|
'Username',
|
|
false,
|
|
(value) {
|
|
if (value == null || value.isEmpty) {
|
|
return 'Create a username';
|
|
}
|
|
return null;
|
|
},
|
|
),
|
|
const SizedBox(height: 10),
|
|
input(
|
|
_passwordController,
|
|
'Password',
|
|
true,
|
|
(value) {
|
|
if (value == null || value.isEmpty) {
|
|
return 'Enter a password';
|
|
}
|
|
return null;
|
|
},
|
|
),
|
|
const SizedBox(height: 10),
|
|
input(
|
|
_passwordConfirmController,
|
|
'Confirm Password',
|
|
true,
|
|
(value) {
|
|
if (value == null || value.isEmpty) {
|
|
return 'Confirm your password';
|
|
}
|
|
if (value != _passwordController.text) {
|
|
return 'Passwords do not match';
|
|
}
|
|
return null;
|
|
},
|
|
),
|
|
const SizedBox(height: 15),
|
|
serverUrl(),
|
|
const SizedBox(height: 15),
|
|
ElevatedButton(
|
|
style: buttonStyle,
|
|
onPressed: () {
|
|
if (!_formKey.currentState!.validate()) {
|
|
return;
|
|
}
|
|
|
|
ScaffoldMessenger.of(context).showSnackBar(
|
|
const SnackBar(content: Text('Processing Data')),
|
|
);
|
|
|
|
signUp()
|
|
.then((dynamic) {
|
|
Navigator.of(context).popUntil((route) => route.isFirst);
|
|
}).catchError((error) {
|
|
showMessage('Failed to signup to Envelope, please try again later', context);
|
|
});
|
|
},
|
|
child: const Text('Submit'),
|
|
),
|
|
],
|
|
)
|
|
)
|
|
)
|
|
)
|
|
)
|
|
);
|
|
}
|
|
|
|
Widget input(
|
|
TextEditingController textController,
|
|
String hintText,
|
|
bool password,
|
|
String? Function(dynamic) validationFunction,
|
|
) {
|
|
return TextFormField(
|
|
controller: textController,
|
|
obscureText: password,
|
|
enableSuggestions: false,
|
|
autocorrect: false,
|
|
decoration: InputDecoration(
|
|
hintText: hintText,
|
|
enabledBorder: inputBorderStyle,
|
|
focusedBorder: inputBorderStyle,
|
|
),
|
|
style: inputTextStyle,
|
|
validator: validationFunction,
|
|
);
|
|
}
|
|
|
|
Widget serverUrl() {
|
|
if (!showUrlInput) {
|
|
return
|
|
Padding(
|
|
padding: const EdgeInsets.only(top: 0, bottom: 10),
|
|
child: Row(
|
|
children: [
|
|
SizedBox(
|
|
height: 10,
|
|
child: IconButton(
|
|
onPressed: () {
|
|
setState(() {
|
|
showUrlInput = true;
|
|
});
|
|
},
|
|
icon: Icon(
|
|
Icons.edit,
|
|
color: Theme.of(context).disabledColor,
|
|
),
|
|
splashRadius: 2,
|
|
padding: const EdgeInsets.all(2),
|
|
iconSize: 15,
|
|
),
|
|
),
|
|
const SizedBox(width: 2),
|
|
Column(
|
|
children: [
|
|
const SizedBox(height: 10),
|
|
Text(
|
|
'Server URL - $defaultServerUrl',
|
|
style: TextStyle(
|
|
color: Theme.of(context).disabledColor,
|
|
fontSize: 12,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
|
|
if (_serverUrlController.text == '') {
|
|
_serverUrlController.text = defaultServerUrl;
|
|
}
|
|
|
|
return input(
|
|
_serverUrlController,
|
|
'Server URL',
|
|
false,
|
|
(dynamic) {
|
|
return null;
|
|
},
|
|
);
|
|
}
|
|
|
|
Future<SignupResponse> signUp() async {
|
|
await MyProfile.setServerUrl(_serverUrlController.text);
|
|
|
|
var keyPair = CryptoUtils.generateRSAKeyPair();
|
|
|
|
var rsaPubPem = CryptoUtils.encodeRSAPublicKeyToPem(keyPair.publicKey);
|
|
var rsaPrivPem = CryptoUtils.encodeRSAPrivateKeyToPem(keyPair.privateKey);
|
|
|
|
String encRsaPriv = AesHelper.aesEncrypt(
|
|
_passwordController.text,
|
|
Uint8List.fromList(rsaPrivPem.codeUnits),
|
|
);
|
|
|
|
final resp = await http.post(
|
|
await MyProfile.getServerUrl('api/v1/signup'),
|
|
headers: <String, String>{
|
|
'Content-Type': 'application/json; charset=UTF-8',
|
|
},
|
|
body: jsonEncode(<String, String>{
|
|
'username': _usernameController.text,
|
|
'password': _passwordController.text,
|
|
'confirm_password': _passwordConfirmController.text,
|
|
'asymmetric_public_key': rsaPubPem,
|
|
'asymmetric_private_key': encRsaPriv,
|
|
}),
|
|
);
|
|
|
|
SignupResponse response = SignupResponse.fromJson(jsonDecode(resp.body));
|
|
|
|
if (resp.statusCode != 201) {
|
|
throw Exception(response.message);
|
|
}
|
|
|
|
return response;
|
|
}
|
|
}
|