135 lines
3.8 KiB
Dart
135 lines
3.8 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:local_auth/local_auth.dart';
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import '../models/user_profile.dart';
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class ProtectedContentWrapper extends StatefulWidget {
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final Widget child;
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final bool isProtected;
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final UserProfile? userProfile;
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final String title;
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const ProtectedContentWrapper({
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super.key,
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required this.child,
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required this.isProtected,
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required this.userProfile,
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required this.title,
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});
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@override
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State<ProtectedContentWrapper> createState() => _ProtectedContentWrapperState();
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}
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class _ProtectedContentWrapperState extends State<ProtectedContentWrapper> {
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bool _isUnlocked = false;
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final LocalAuthentication auth = LocalAuthentication();
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Future<void> _authenticate() async {
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final user = widget.userProfile;
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if (user == null || user.privacyPin == null) {
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// Fallback or error if PIN is missing but protected? (Shouldn't happen with UI logic)
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return;
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}
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bool authenticated = false;
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// Try Biometrics if enabled
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if (user.isBioProtected) {
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try {
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final bool canCheckBiometrics = await auth.canCheckBiometrics;
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if (canCheckBiometrics) {
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authenticated = await auth.authenticate(
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localizedReason: 'Scan your fingerprint or face to unlock ${widget.title}',
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);
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}
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} on PlatformException catch (e) {
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debugPrint('Biometric Error: $e');
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// Fallback to PIN
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}
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}
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if (authenticated) {
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setState(() {
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_isUnlocked = true;
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});
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return;
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}
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if (!mounted) return;
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// PIN Fallback
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final controller = TextEditingController();
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final pin = await showDialog<String>(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('Enter PIN'),
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content: TextField(
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controller: controller,
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keyboardType: TextInputType.number,
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obscureText: true,
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maxLength: 4,
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style: const TextStyle(fontSize: 24, letterSpacing: 8),
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textAlign: TextAlign.center,
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decoration: const InputDecoration(
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hintText: '....',
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border: OutlineInputBorder(),
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),
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autofocus: true,
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),
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actions: [
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TextButton(onPressed: () => Navigator.pop(context), child: const Text('Cancel')),
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ElevatedButton(
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onPressed: () => Navigator.pop(context, controller.text),
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child: const Text('Unlock'),
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),
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],
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),
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);
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if (pin == user.privacyPin) {
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setState(() {
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_isUnlocked = true;
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});
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} else if (pin != null) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('Incorrect PIN')),
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);
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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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// If not protected, or already unlocked, show content
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if (!widget.isProtected || _isUnlocked) {
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return widget.child;
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}
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// Otherwise show Lock Screen
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return Scaffold(
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appBar: AppBar(title: Text(widget.title)),
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body: Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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const Icon(Icons.lock_outline, size: 64, color: Colors.grey),
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const SizedBox(height: 16),
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Text(
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'${widget.title} is Protected',
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style: const TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
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),
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const SizedBox(height: 24),
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ElevatedButton.icon(
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onPressed: _authenticate,
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icon: const Icon(Icons.key),
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label: Text(widget.userProfile?.isBioProtected == true ? 'Unlock with FaceID / PIN' : 'Enter PIN to Unlock'),
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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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