495 lines
20 KiB
Dart
495 lines
20 KiB
Dart
import 'dart:ui';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:logging/logging.dart';
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import 'package:password_strength/password_strength.dart';
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import 'package:photos/core/configuration.dart';
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import 'package:photos/core/event_bus.dart';
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import 'package:photos/events/account_configured_event.dart';
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import 'package:photos/events/subscription_purchased_event.dart';
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import 'package:photos/services/user_service.dart';
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import 'package:photos/ui/common/dynamicFAB.dart';
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import 'package:photos/ui/payment/subscription.dart';
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import 'package:photos/ui/recovery_key_page.dart';
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import 'package:photos/ui/web_page.dart';
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import 'package:photos/utils/dialog_util.dart';
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import 'package:photos/utils/navigation_util.dart';
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import 'package:photos/utils/toast_util.dart';
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enum PasswordEntryMode {
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set,
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update,
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reset,
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}
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class PasswordEntryPage extends StatefulWidget {
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final PasswordEntryMode mode;
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PasswordEntryPage({this.mode = PasswordEntryMode.set, Key key})
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: super(key: key);
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@override
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_PasswordEntryPageState createState() => _PasswordEntryPageState();
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}
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class _PasswordEntryPageState extends State<PasswordEntryPage> {
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static const kMildPasswordStrengthThreshold = 0.4;
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static const kStrongPasswordStrengthThreshold = 0.7;
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final _logger = Logger((_PasswordEntryPageState).toString());
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final _passwordController1 = TextEditingController(),
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_passwordController2 = TextEditingController();
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final Color _validFieldValueColor = Color.fromRGBO(45, 194, 98, 0.2);
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String _volatilePassword;
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String _password;
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String _passwordInInputBox = '';
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double _passwordStrength = 0.0;
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bool _password1Visible = false;
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bool _password2Visible = false;
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final _password1FocusNode = FocusNode();
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final _password2FocusNode = FocusNode();
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bool _password1InFocus = false;
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bool _password2InFocus = false;
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bool _passwordsMatch = false;
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bool _isPasswordValid = false;
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@override
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void initState() {
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super.initState();
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_volatilePassword = Configuration.instance.getVolatilePassword();
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if (_volatilePassword != null) {
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Future.delayed(
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Duration.zero, () => _showRecoveryCodeDialog(_volatilePassword));
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}
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_password1FocusNode.addListener(() {
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setState(() {
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_password1InFocus = _password1FocusNode.hasFocus;
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});
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});
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_password2FocusNode.addListener(() {
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setState(() {
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_password2InFocus = _password2FocusNode.hasFocus;
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});
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});
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}
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@override
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Widget build(BuildContext context) {
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final isKeypadOpen = MediaQuery.of(context).viewInsets.bottom != 0;
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FloatingActionButtonLocation fabLocation() {
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if (isKeypadOpen) {
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return null;
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} else {
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return FloatingActionButtonLocation.centerFloat;
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}
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}
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String title = "Set password";
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if (widget.mode == PasswordEntryMode.update) {
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title = "Change password";
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} else if (widget.mode == PasswordEntryMode.reset) {
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title = "Reset password";
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} else if (_volatilePassword != null) {
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title = "Encryption keys";
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}
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return Scaffold(
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appBar: AppBar(
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leading: widget.mode == PasswordEntryMode.reset
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? Container()
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: IconButton(
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icon: Icon(Icons.arrow_back),
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color: Theme.of(context).iconTheme.color,
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onPressed: () {
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Navigator.of(context).pop();
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},
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),
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elevation: 0,
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),
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body: _getBody(title),
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floatingActionButton: DynamicFAB(
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isKeypadOpen: isKeypadOpen,
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isFormValid: _passwordsMatch,
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buttonText: title,
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onPressedFunction: () {
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if (widget.mode == PasswordEntryMode.set) {
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_showRecoveryCodeDialog(_passwordController1.text);
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} else {
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_updatePassword();
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}
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}),
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floatingActionButtonLocation: fabLocation(),
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floatingActionButtonAnimator: NoScalingAnimation(),
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);
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}
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Widget _getBody(String buttonTextAndHeading) {
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final isKeypadOpen = MediaQuery.of(context).viewInsets.bottom != 0;
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final email = Configuration.instance.getEmail();
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var passwordStrengthText = 'Weak';
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var passwordStrengthColor = Colors.redAccent;
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if (_passwordStrength > kStrongPasswordStrengthThreshold) {
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passwordStrengthText = 'Strong';
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passwordStrengthColor = Colors.greenAccent;
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} else if (_passwordStrength > kMildPasswordStrengthThreshold) {
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passwordStrengthText = 'Moderate';
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passwordStrengthColor = Colors.orangeAccent;
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}
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if (_volatilePassword != null) {
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return Container();
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}
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return Column(
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children: [
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Expanded(
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child: AutofillGroup(
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child: ListView(
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children: [
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Padding(
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padding:
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const EdgeInsets.symmetric(vertical: 30, horizontal: 20),
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child: Text(buttonTextAndHeading,
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style: Theme.of(context).textTheme.headline4),
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),
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 20),
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child: Text(
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"Enter a" +
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(widget.mode != PasswordEntryMode.set ? " new " : " ") +
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"password we can use to encrypt your data",
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textAlign: TextAlign.start,
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style: Theme.of(context)
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.textTheme
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.subtitle1
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.copyWith(fontSize: 14),
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),
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),
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Padding(padding: EdgeInsets.all(8)),
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 20),
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child: RichText(
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text: TextSpan(
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style: Theme.of(context)
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.textTheme
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.subtitle1
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.copyWith(fontSize: 14),
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children: [
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TextSpan(
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text:
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"We don't store this password, so if you forget, "),
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TextSpan(
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text: "we cannot decrypt your data",
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style: Theme.of(context).textTheme.subtitle1.copyWith(
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fontSize: 14,
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decoration: TextDecoration.underline),
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),
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])),
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),
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Padding(padding: EdgeInsets.all(12)),
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Visibility(
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// hidden textForm for suggesting auto-fill service for saving
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// password
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visible: false,
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child: TextFormField(
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autofillHints: const [
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AutofillHints.email,
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],
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autocorrect: false,
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keyboardType: TextInputType.emailAddress,
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initialValue: email,
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textInputAction: TextInputAction.next,
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),
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),
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Padding(
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padding: const EdgeInsets.fromLTRB(20, 0, 20, 0),
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child: TextFormField(
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autofillHints: const [AutofillHints.newPassword],
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decoration: InputDecoration(
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fillColor:
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_isPasswordValid ? _validFieldValueColor : null,
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filled: true,
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hintText: "Password",
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contentPadding: EdgeInsets.all(20),
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border: UnderlineInputBorder(
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borderSide: BorderSide.none,
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borderRadius: BorderRadius.circular(6)),
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suffixIcon: _password1InFocus
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? IconButton(
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icon: Icon(
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_password1Visible
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? Icons.visibility
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: Icons.visibility_off,
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color: Theme.of(context).iconTheme.color,
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size: 20,
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),
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onPressed: () {
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setState(() {
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_password1Visible = !_password1Visible;
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});
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},
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)
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: _isPasswordValid
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? Icon(
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Icons.check,
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color: Theme.of(context)
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.inputDecorationTheme
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.focusedBorder
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.borderSide
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.color,
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)
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: null,
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),
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obscureText: !_password1Visible,
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controller: _passwordController1,
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autofocus: false,
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autocorrect: false,
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keyboardType: TextInputType.visiblePassword,
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onChanged: (password) {
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setState(() {
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_passwordInInputBox = password;
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_passwordStrength = estimatePasswordStrength(password);
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_isPasswordValid =
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_passwordStrength >= kMildPasswordStrengthThreshold;
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});
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},
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textInputAction: TextInputAction.next,
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focusNode: _password1FocusNode,
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),
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),
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Padding(padding: EdgeInsets.all(4)),
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Stack(
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children: <Widget>[
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Padding(
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padding: const EdgeInsets.fromLTRB(20, 0, 20, 0),
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child: TextFormField(
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keyboardType: TextInputType.visiblePassword,
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controller: _passwordController2,
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obscureText: !_password2Visible,
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autofillHints: const [AutofillHints.newPassword],
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onEditingComplete: () =>
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TextInput.finishAutofillContext(),
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decoration: InputDecoration(
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fillColor:
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_passwordsMatch ? _validFieldValueColor : null,
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filled: true,
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hintText: "Confirm password",
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contentPadding: EdgeInsets.symmetric(
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horizontal: 20, vertical: 20),
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suffixIcon: _password2InFocus
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? IconButton(
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icon: Icon(
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_password2Visible
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? Icons.visibility
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: Icons.visibility_off,
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color: Theme.of(context).iconTheme.color,
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size: 20,
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),
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onPressed: () {
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setState(() {
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_password2Visible = !_password2Visible;
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});
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},
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)
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: _passwordsMatch
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? Icon(
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Icons.check,
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color: Theme.of(context)
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.inputDecorationTheme
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.focusedBorder
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.borderSide
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.color,
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)
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: null,
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border: UnderlineInputBorder(
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borderSide: BorderSide.none,
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borderRadius: BorderRadius.circular(6)),
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),
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focusNode: _password2FocusNode,
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onChanged: (cnfPassword) {
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setState(() {
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if (_password != null || _password != '') {
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_passwordsMatch = _password == cnfPassword;
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}
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});
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},
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),
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),
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Visibility(
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visible:
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((_passwordInInputBox != '') && _password1InFocus),
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child: Positioned(
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bottom: 24,
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child: Row(
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children: [
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SizedBox(
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width: MediaQuery.of(context).size.width,
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child: Padding(
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padding: const EdgeInsets.symmetric(
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horizontal: 20),
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child: Container(
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decoration: BoxDecoration(
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boxShadow: [
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BoxShadow(
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spreadRadius: 0.5,
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color: Theme.of(context).hintColor,
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offset: Offset(0, -0.325),
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),
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],
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borderRadius: BorderRadius.only(
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topLeft: Radius.zero,
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topRight: Radius.zero,
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bottomLeft: Radius.circular(5),
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bottomRight: Radius.circular(5),
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),
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color: Theme.of(context)
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.dialogTheme
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.backgroundColor,
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),
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width: double.infinity,
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child: Column(
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crossAxisAlignment:
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CrossAxisAlignment.start,
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children: [
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Padding(
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padding: const EdgeInsets.fromLTRB(
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4.0, 4, 4.0, 4.0),
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child: Row(
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children: [
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Padding(
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padding:
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EdgeInsets.symmetric(
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horizontal: 10,
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vertical: 5),
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child: Text(
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'Password Strength: $passwordStrengthText',
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style: TextStyle(
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color:
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passwordStrengthColor),
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)),
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],
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),
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),
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]),
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),
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),
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),
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SizedBox(
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width: 20,
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),
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],
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)),
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),
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],
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clipBehavior: Clip.none,
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),
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SizedBox(
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height: 50,
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),
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GestureDetector(
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behavior: HitTestBehavior.translucent,
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onTap: () {
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Navigator.of(context).push(
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MaterialPageRoute(
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builder: (BuildContext context) {
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return WebPage(
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"How it works", "https://ente.io/architecture");
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},
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),
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);
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},
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child: Container(
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padding: EdgeInsets.symmetric(horizontal: 20),
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child: RichText(
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text: TextSpan(
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text: "How it works",
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style: Theme.of(context).textTheme.subtitle1.copyWith(
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fontSize: 14,
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decoration: TextDecoration.underline)),
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),
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),
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),
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Padding(padding: EdgeInsets.all(20)),
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],
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),
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),
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),
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],
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);
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}
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void _updatePassword() async {
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final dialog =
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createProgressDialog(context, "Generating encryption keys...");
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await dialog.show();
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try {
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final keyAttributes = await Configuration.instance
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.updatePassword(_passwordController1.text);
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await UserService.instance.updateKeyAttributes(keyAttributes);
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await dialog.hide();
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showShortToast("Password changed successfully");
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Navigator.of(context).pop();
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if (widget.mode == PasswordEntryMode.reset) {
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Bus.instance.fire(SubscriptionPurchasedEvent());
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Navigator.of(context).popUntil((route) => route.isFirst);
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}
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} catch (e, s) {
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_logger.severe(e, s);
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await dialog.hide();
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showGenericErrorDialog(context);
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}
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}
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Future<void> _showRecoveryCodeDialog(String password) async {
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final dialog =
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createProgressDialog(context, "Generating encryption keys...");
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await dialog.show();
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try {
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final result = await Configuration.instance.generateKey(password);
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Configuration.instance.setVolatilePassword(null);
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await dialog.hide();
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onDone() async {
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final dialog = createProgressDialog(context, "Please wait...");
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await dialog.show();
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try {
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await UserService.instance.setAttributes(result);
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await dialog.hide();
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Bus.instance.fire(AccountConfiguredEvent());
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Navigator.of(context).pushAndRemoveUntil(
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MaterialPageRoute(
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builder: (BuildContext context) {
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return getSubscriptionPage(isOnBoarding: true);
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},
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),
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(route) => route.isFirst,
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);
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} catch (e, s) {
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_logger.severe(e, s);
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await dialog.hide();
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showGenericErrorDialog(context);
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}
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}
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routeToPage(
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context,
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RecoveryKeyPage(
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result.privateKeyAttributes.recoveryKey,
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"Continue",
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showAppBar: false,
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isDismissible: false,
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onDone: onDone,
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showProgressBar: true,
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));
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} catch (e) {
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_logger.severe(e);
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await dialog.hide();
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if (e is UnsupportedError) {
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showErrorDialog(context, "Insecure device",
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"Sorry, we could not generate secure keys on this device.\n\nplease sign up from a different device.");
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} else {
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showGenericErrorDialog(context);
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}
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}
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}
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}
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