Added new config screen and buttons for navigation

lib/main.dart

@@ -2,10 +2,11 @@ import 'package:flutter/cupertino.dart';
 import 'package:provider/provider.dart';
 
 import 'repositories/credentials_client.dart';
-import 'repositories/config.dart';
+import 'repositories/config.dart' as repo;
 
 import 'screens/authentication.dart';
 import 'screens/credentials.dart';
+import 'screens/config.dart';
 import 'screens/home.dart';
 
 import 'types/abstracts.dart';
@@ -16,7 +17,7 @@ class Selfpass extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return Provider<ConfigRepo>(
-      builder: (BuildContext context) => Config(),
+      builder: (BuildContext context) => repo.Config(),
       child: CupertinoApp(
         title: 'Selfpass',
         onGenerateRoute: (RouteSettings settings) {
@@ -30,7 +31,7 @@ class Selfpass extends StatelessWidget {
               break;
 
             case '/home':
-              title = "Credential Hosts";
+              title = 'Credential Hosts';
               builder = (BuildContext context) => Provider<CredentialsRepo>(
                     builder: (BuildContext context) =>
                         CredentialsClient(settings.arguments),
@@ -39,10 +40,15 @@ class Selfpass extends StatelessWidget {
               break;
 
             case '/credentials':
-              title = "Credentials";
+              title = 'Credentials';
               builder =
                   (BuildContext context) => Credentials(settings.arguments);
               break;
+
+            case '/config':
+              title = 'Configuration';
+              builder = (BuildContext context) => Config(settings.arguments);
+              break;
           }
 
           return CupertinoPageRoute(builder: builder, title: title);

lib/repositories/config.dart

@@ -54,8 +54,18 @@ class Config implements ConfigRepo {
 
   Future<ConnectionConfig> get connectionConfig async {
     _checkIfPasswordMatched();
-    return ConnectionConfig.fromJson(
+    final connConfig = await _storage.read(key: _keyConnectionConfig);
-        json.decode(await _storage.read(key: _keyConnectionConfig)));
+
+    if (connConfig == null) {
+      return null;
+    }
+
+    return ConnectionConfig.fromJson(json.decode(connConfig));
+  }
+
+  Future<void> deleteAll() {
+    _checkIfPasswordMatched();
+    return _storage.deleteAll();
   }
 
   void _checkIfPasswordMatched() {

lib/screens/authentication.dart

@@ -3,7 +3,7 @@ import 'package:provider/provider.dart';
 
 import '../types/abstracts.dart';
 
-import '../widgets/obfuscated_text_field.dart';
+import '../widgets/text_field.dart';
 
 class Authentication extends StatefulWidget {
   @override
@@ -11,9 +11,10 @@ class Authentication extends StatefulWidget {
 }
 
 class _AuthenticationState extends State<Authentication> {
+  final TextEditingController _passwordController = TextEditingController();
+  final TextEditingController _confirmController = TextEditingController();
   bool _invalid = false;
   bool _passesDontMatch = false;
-  String _masterpass;
   ConfigRepo _config;
   Future<bool> _passwordIsSet;
 
@@ -21,14 +22,11 @@ class _AuthenticationState extends State<Authentication> {
   didChangeDependencies() {
     super.didChangeDependencies();
     _config = Provider.of<ConfigRepo>(context);
+    _passwordIsSet = _config.passwordSet;
   }
 
   @override
   Widget build(BuildContext context) {
-    if (_passwordIsSet == null) {
-      _passwordIsSet = _config.passwordSet;
-    }
-
     return CupertinoPageScaffold(
       child: Container(
         margin: const EdgeInsets.symmetric(horizontal: 50.0),
@@ -36,30 +34,34 @@ class _AuthenticationState extends State<Authentication> {
           future: _passwordIsSet,
           builder: (BuildContext context, AsyncSnapshot<bool> snapshot) =>
               snapshot.connectionState == ConnectionState.done
-                  ? Column(children: _buildColumnChildren(snapshot.data))
+                  ? Column(
-                  : Container(),
+                      children: _buildColumnChildren(context, snapshot.data))
+                  : Center(child: CupertinoActivityIndicator()),
         ),
       ),
     );
   }
 
-  List<Widget> _buildColumnChildren(bool passwordIsSet) {
+  List<Widget> _buildColumnChildren(BuildContext context, bool passwordIsSet) {
     List<Widget> children = [
       const Spacer(flex: 4),
       const Flexible(child: Text('Master password:')),
       Flexible(
-        child: ObfuscatedTextField(
+        child: TextField(
-            onSubmittedBuilder:
+          obscure: true,
-                _buildMasterpassSubmittedBuilder(passwordIsSet)),
+          autofocus: true,
+          controller: _passwordController,
+        ),
       ),
     ];
 
     if (!passwordIsSet) {
       children.add(const Flexible(child: Text('Re-enter password:')));
       children.add(Flexible(
-        child: ObfuscatedTextField(
+        child: TextField(
-            onSubmittedBuilder:
+          obscure: true,
-                _buildConfirmPassSubmittedBuilder(passwordIsSet)),
+          controller: _confirmController,
+        ),
       ));
     }
 
@@ -81,6 +83,11 @@ class _AuthenticationState extends State<Authentication> {
       ));
     }
 
+    children.add(CupertinoButton(
+      child: Text('Enter'),
+      onPressed: _buildSubmitPressedBuilder(context),
+    ));
+
     if (_passesDontMatch) {
       children.add(const Spacer(flex: 1));
     } else if (_invalid || !passwordIsSet) {
@@ -92,40 +99,31 @@ class _AuthenticationState extends State<Authentication> {
     return children;
   }
 
-  OnSubmittedBuilder _buildMasterpassSubmittedBuilder(bool passwordIsSet) {
+  VoidCallback _buildSubmitPressedBuilder(BuildContext context) {
-    return (BuildContext context) {
+    return () async {
-      return (String pass) async {
+      if (await _passwordIsSet) {
-        if (passwordIsSet) {
+        if (await _config.matchesPasswordHash(_passwordController.text)) {
-          if (await _config.matchesPasswordHash(pass)) {
+          Navigator.of(context).pushReplacementNamed(
-            Navigator.of(context).pushReplacementNamed('/home',
+            '/home',
-                arguments: await _config.connectionConfig);
+            arguments: await _config.connectionConfig,
-            return;
+          );
-          }
-
-          this.setState(() => _invalid = true);
           return;
         }
 
-        _masterpass = pass;
+        this.setState(() => _invalid = true);
-      };
+        return;
-    };
+      }
-  }
 
-  OnSubmittedBuilder _buildConfirmPassSubmittedBuilder(bool passwordIsSet) {
+      if (_passwordController.text != _confirmController.text) {
-    return (BuildContext context) {
+        this.setState(() {
-      return (String pass) async {
+          _passesDontMatch = true;
-        if (pass != _masterpass) {
+        });
-          this.setState(() {
+        return;
-            _passesDontMatch = true;
+      }
-          });
-          return;
-        }
 
-        _config.setPassword(_masterpass);
+      _config.setPassword(_passwordController.text);
-        _passwordIsSet = Future<bool>.value(true);
+      _passwordIsSet = Future<bool>.value(true);
-        Navigator.of(context).pushReplacementNamed('/home',
+      Navigator.of(context).pushReplacementNamed('/config');
-            arguments: await _config.connectionConfig);
-      };
     };
   }
 }

lib/screens/config.dart

@@ -0,0 +1,124 @@
+import 'package:flutter/cupertino.dart';
+import 'package:provider/provider.dart';
+
+import '../types/abstracts.dart';
+import '../types/connection_config.dart';
+
+import '../widgets/text_field.dart';
+
+class Config extends StatefulWidget {
+  final ConnectionConfig connectionConfig;
+
+  const Config(this.connectionConfig, {Key key}) : super(key: key);
+
+  @override
+  State createState() => _ConfigState(this.connectionConfig);
+}
+
+class _ConfigState extends State<Config> {
+  TextEditingController _hostController;
+  TextEditingController _caCertController;
+  TextEditingController _certController;
+  TextEditingController _privateCertController;
+  ConnectionConfig _connectionConfig;
+  ConfigRepo _config;
+
+  _ConfigState(this._connectionConfig) {
+    if (_connectionConfig == null) {
+      _connectionConfig = ConnectionConfig();
+    }
+
+    _hostController = TextEditingController(text: _connectionConfig.host);
+    _certController =
+        TextEditingController(text: _connectionConfig.certificate);
+    _caCertController =
+        TextEditingController(text: _connectionConfig.caCertificate);
+    _privateCertController =
+        TextEditingController(text: _connectionConfig.privateCertificate);
+  }
+
+  @override
+  didChangeDependencies() async {
+    super.didChangeDependencies();
+
+    _config = Provider.of<ConfigRepo>(context);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return CupertinoPageScaffold(
+      navigationBar: _connectionConfig.host == null
+          ? null
+          : CupertinoNavigationBar(
+              trailing: GestureDetector(
+                onTap: _buildResetAllHandler(context),
+                child: Text('Reset App',
+                    style: TextStyle(color: CupertinoColors.destructiveRed)),
+              ),
+            ),
+      child: Container(
+        margin: const EdgeInsets.symmetric(horizontal: 50.0),
+        child: Column(children: [
+          Spacer(flex: 3),
+          Flexible(child: Text('Host:')),
+          Flexible(child: TextField(maxLines: 1, controller: _hostController)),
+          Flexible(child: Text('CA certificate:')),
+          Flexible(
+              child: TextField(maxLines: 3, controller: _caCertController)),
+          Flexible(child: Text('Client certificate:')),
+          Flexible(child: TextField(maxLines: 3, controller: _certController)),
+          Flexible(child: Text('Private certificate:')),
+          Flexible(
+              child:
+                  TextField(maxLines: 3, controller: _privateCertController)),
+          CupertinoButton(
+              child: Text('Save'), onPressed: _makeSaveOnPressed(context))
+        ]),
+      ),
+    );
+  }
+
+  GestureTapCallback _buildResetAllHandler(BuildContext context) {
+    return () {
+      showCupertinoDialog(
+        context: context,
+        builder: (BuildContext context) => CupertinoAlertDialog(
+          content: Text('Are you sure?'),
+          actions: [
+            CupertinoDialogAction(
+              isDefaultAction: true,
+              child: Text('Cancel'),
+              onPressed: () => Navigator.of(context).pop(),
+            ),
+            CupertinoDialogAction(
+              isDestructiveAction: true,
+              child: Text('Confirm'),
+              onPressed: () async {
+                _connectionConfig = null;
+                await _config.deleteAll();
+                Navigator.of(context)
+                    .pushNamedAndRemoveUntil('/', ModalRoute.withName('/'));
+              },
+            ),
+          ],
+        ),
+      );
+    };
+  }
+
+  VoidCallback _makeSaveOnPressed(BuildContext context) {
+    return () async {
+      final connConfig = ConnectionConfig(
+        host: _hostController.text,
+        certificate: _certController.text,
+        caCertificate: _caCertController.text,
+        privateCertificate: _privateCertController.text,
+      );
+
+      await _config.setConnectionConfig(connConfig);
+
+      Navigator.of(context)
+          .pushReplacementNamed('/home', arguments: connConfig);
+    };
+  }
+}

lib/screens/home.dart

@@ -13,20 +13,21 @@ class Home extends StatefulWidget {
 
 class _HomeState extends State<Home> {
   CredentialsRepo _client;
+  ConfigRepo _config;
   Future<List<Metadata>> _metadatas;
 
   @override
   didChangeDependencies() {
     super.didChangeDependencies();
+
+    _config = Provider.of<ConfigRepo>(context);
+
     _client = Provider.of<CredentialsRepo>(context);
+    _metadatas = _client.getAllMetadata('').toList();
   }
 
   @override
   Widget build(BuildContext context) {
-    if (_metadatas == null) {
-      _metadatas = _client.getAllMetadata('').toList();
-    }
-
     return CupertinoPageScaffold(
       child: FutureBuilder<List<Metadata>>(
         future: _metadatas,
@@ -35,9 +36,21 @@ class _HomeState extends State<Home> {
             (snapshot.connectionState == ConnectionState.done)
                 ? TappableTextList(
                     tappableText: _buildTappableText(context, snapshot.data))
-                : Container(),
+                : Center(child: CupertinoActivityIndicator()),
+      ),
+      navigationBar: CupertinoNavigationBar(
+        leading: GestureDetector(
+          child: Align(
+              child: Text('Lock',
+                  style: TextStyle(color: CupertinoColors.destructiveRed)),
+              alignment: Alignment(-0.9, 0)),
+          onTap: _makeLockOnTapHandler(context),
+        ),
+        trailing: GestureDetector(
+          child: Icon(CupertinoIcons.gear),
+          onTap: _makeConfigOnTapHandler(context),
+        ),
       ),
-      navigationBar: CupertinoNavigationBar(),
     );
   }
 
@@ -69,4 +82,13 @@ class _HomeState extends State<Home> {
 
     return tappableText;
   }
+
+  GestureTapCallback _makeLockOnTapHandler(BuildContext context) {
+    return () => Navigator.of(context).pushReplacementNamed('/');
+  }
+
+  GestureTapCallback _makeConfigOnTapHandler(BuildContext context) {
+    return () async => Navigator.of(context)
+        .pushNamed('/config', arguments: await _config.connectionConfig);
+  }
 }

lib/types/abstracts.dart

@@ -21,4 +21,6 @@ abstract class ConfigRepo {
 
   Future<void> setConnectionConfig(ConnectionConfig config);
   Future<ConnectionConfig> get connectionConfig;
+
+  Future<void> deleteAll();
 }

lib/widgets/obfuscated_text_field.dart

@@ -1,28 +0,0 @@
-import 'package:flutter/cupertino.dart';
-
-typedef OnSubmittedBuilder = ValueChanged<String> Function(
-  BuildContext context,
-);
-
-class ObfuscatedTextField extends StatelessWidget {
-  final OnSubmittedBuilder onSubmittedBuilder;
-
-  const ObfuscatedTextField({this.onSubmittedBuilder});
-
-  @override
-  Widget build(BuildContext context) {
-    return Container(
-      padding: const EdgeInsets.symmetric(vertical: 5.0),
-      child: CupertinoTextField(
-        decoration: BoxDecoration(
-          border: Border.all(color: CupertinoColors.black),
-          borderRadius: const BorderRadius.all(Radius.circular(5.0)),
-        ),
-        clearButtonMode: OverlayVisibilityMode.editing,
-        textAlign: TextAlign.center,
-        onSubmitted: onSubmittedBuilder(context),
-        obscureText: true,
-      ),
-    );
-  }
-}

lib/widgets/text_field.dart

@@ -0,0 +1,49 @@
+import 'package:flutter/cupertino.dart';
+
+typedef OnSubmittedBuilder = ValueChanged<String> Function(
+  BuildContext context,
+);
+
+class TextField extends StatelessWidget {
+  final OnSubmittedBuilder onSubmittedBuilder;
+  final TextEditingController controller;
+  final bool obscure;
+  final bool autofocus;
+  final bool autocorrect;
+  final int minLines;
+  final int maxLines;
+
+  const TextField({
+    this.onSubmittedBuilder,
+    this.controller,
+    this.obscure = false,
+    this.autofocus = false,
+    this.minLines,
+    this.maxLines,
+    this.autocorrect = false,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      padding: const EdgeInsets.symmetric(vertical: 5.0),
+      child: CupertinoTextField(
+        decoration: BoxDecoration(
+          border: Border.all(color: CupertinoColors.black),
+          borderRadius: const BorderRadius.all(Radius.circular(5.0)),
+        ),
+        clearButtonMode: OverlayVisibilityMode.editing,
+        textAlign: TextAlign.start,
+        onSubmitted: this.onSubmittedBuilder != null
+            ? onSubmittedBuilder(context)
+            : null,
+        controller: controller,
+        obscureText: obscure,
+        autofocus: autofocus,
+        autocorrect: autocorrect,
+        minLines: minLines,
+        maxLines: maxLines,
+      ),
+    );
+  }
+}