366 lines
13 KiB
Dart
366 lines
13 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:flutter/widgets.dart';
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import 'package:flutter_password_strength/flutter_password_strength.dart';
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import 'package:logging/logging.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_elements.dart';
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import 'package:photos/ui/payment/subscription.dart';
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import 'package:photos/ui/recovery_key_dialog.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/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 kPasswordStrengthThreshold = 0.4;
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final _logger = Logger("PasswordEntry");
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final _passwordController1 = TextEditingController(),
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_passwordController2 = TextEditingController();
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double _passwordStrength = 0;
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String _password;
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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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@override
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void initState() {
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super.initState();
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_password = Configuration.instance.getVolatilePassword();
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if (_password != null) {
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Future.delayed(Duration.zero, () => _showRecoveryCodeDialog(_password));
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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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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 (_password != 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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title: Text(title),
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leading:
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widget.mode == PasswordEntryMode.reset ? Icon(Icons.lock) : null,
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),
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body: _getBody(title),
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resizeToAvoidBottomInset: false,
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);
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}
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Widget _getBody(String buttonText) {
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if (_password != null) {
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return Container();
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}
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final String email = Configuration.instance.getEmail() ?? '';
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return Column(
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children: [
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FlutterPasswordStrength(
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password: _passwordController1.text,
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backgroundColor: Colors.white.withOpacity(0.1),
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strengthCallback: (strength) {
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_passwordStrength = strength;
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},
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strengthColors: passwordStrengthColors,
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),
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SingleChildScrollView(
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child: Container(
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padding: EdgeInsets.fromLTRB(16, 36, 16, 16),
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child: AutofillGroup(
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child: Column(
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children: [
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Padding(padding: EdgeInsets.all(12)),
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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.center,
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style: TextStyle(
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height: 1.3,
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),
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),
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Padding(padding: EdgeInsets.all(8)),
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Text("we don't store this password, so if you forget, "),
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Text.rich(
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TextSpan(
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text: "we cannot decrypt your data",
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style: TextStyle(
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decoration: TextDecoration.underline,
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fontWeight: FontWeight.bold,
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)),
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style: TextStyle(
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height: 1.3,
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),
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textAlign: TextAlign.center,
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),
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Padding(padding: EdgeInsets.all(12)),
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// hidden textForm for suggesting auto-fill service for saving
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// password
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SizedBox(
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width: 0,
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height: 0,
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child: TextFormField(
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autofillHints: [
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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(32, 0, 32, 0),
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child: TextFormField(
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autofillHints: [AutofillHints.newPassword],
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decoration: InputDecoration(
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hintText: "password",
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contentPadding: EdgeInsets.all(20),
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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: Colors.white.withOpacity(0.5),
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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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: 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: (_) {
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setState(() {});
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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(8)),
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Padding(
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padding: const EdgeInsets.fromLTRB(32, 0, 32, 0),
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child: TextFormField(
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autofillHints: [AutofillHints.newPassword],
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decoration: InputDecoration(
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hintText: "password again",
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contentPadding: EdgeInsets.all(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: Colors.white.withOpacity(0.5),
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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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: null,
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),
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obscureText: !_password2Visible,
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controller: _passwordController2,
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autofocus: false,
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autocorrect: false,
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keyboardType: TextInputType.visiblePassword,
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onChanged: (_) {
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setState(() {});
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},
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focusNode: _password2FocusNode,
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),
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),
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Padding(padding: EdgeInsets.all(20)),
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Container(
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width: double.infinity,
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height: 64,
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padding: EdgeInsets.fromLTRB(40, 0, 40, 0),
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child: button(
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buttonText,
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fontSize: 18,
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onPressed: _passwordController1.text.isNotEmpty &&
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_passwordController2.text.isNotEmpty
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? _onButtonPress
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: null,
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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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Expanded(child: Container()),
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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.all(40),
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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: TextStyle(
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color: Colors.blue,
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fontFamily: 'Ubuntu',
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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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void _onButtonPress() {
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if (_passwordController1.text != _passwordController2.text) {
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showErrorDialog(
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context, "uhm...", "the passwords you entered don't match");
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} else if (_passwordStrength < kPasswordStrengthThreshold) {
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showErrorDialog(context, "weak password",
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"the password you have chosen is too simple, please choose another one");
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} else {
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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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}
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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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showToast("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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showDialog(
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context: context,
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builder: (BuildContext context) {
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return RecoveryKeyDialog(
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result.privateKeyAttributes.recoveryKey,
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"continue",
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onDone,
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isDismissible: false,
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);
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},
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barrierColor: Colors.black.withOpacity(0.85),
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barrierDismissible: false,
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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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