Apply password policy on all forms

lib/ui/dialogs/input_new_password_dialog.dart

@@ -1,5 +1,5 @@
 import 'package:comunic/ui/widgets/dialogs/auto_sized_dialog_content_widget.dart';
-import 'package:comunic/utils/input_utils.dart';
+import 'package:comunic/ui/widgets/new_password_input_widget.dart';
 import 'package:comunic/utils/intl_utils.dart';
 import 'package:flutter/material.dart';
 
@@ -8,27 +8,44 @@ import 'package:flutter/material.dart';
 /// @author Pierre HUBERT
 
 /// Ask the user to enter a new password
-Future<String> showInputNewPassword(BuildContext context) async {
+Future<String> showInputNewPassword({
+  @required BuildContext context,
+  @required UserInfoForPassword userInfo,
+}) async {
+  assert(context != null);
+  assert(userInfo != null);
   return await showDialog(
-      context: context, builder: (c) => _InputNewPasswordDialog());
+      context: context,
+      builder: (c) => _InputNewPasswordDialog(
+            userInfo: userInfo,
+          ));
 }
 
 class _InputNewPasswordDialog extends StatefulWidget {
+  final UserInfoForPassword userInfo;
+
+  const _InputNewPasswordDialog({
+    Key key,
+    @required this.userInfo,
+  })  : assert(userInfo != null),
+        super(key: key);
+
   @override
   __InputNewPasswordDialogState createState() =>
       __InputNewPasswordDialogState();
 }
 
 class __InputNewPasswordDialogState extends State<_InputNewPasswordDialog> {
-  final _controller1 = TextEditingController();
+  final _controller1 = GlobalKey<NewPasswordInputWidgetState>();
   final _controller2 = TextEditingController();
   final _focusScopeNode = FocusScopeNode();
 
-  String get _password => _controller1.text;
+  String get _password => _controller1.currentState.value;
 
-  bool get _input1Valid => validatePassword(_password);
+  bool get _input1Valid =>
+      _controller1.currentState != null && _controller1.currentState.valid;
 
-  bool get _input2Valid => _controller1.text == _controller2.text;
+  bool get _input2Valid => _controller1.currentState.value == _controller2.text;
 
   bool get _isValid => _input1Valid && _input2Valid;
 
@@ -65,12 +82,10 @@ class __InputNewPasswordDialogState extends State<_InputNewPasswordDialog> {
       child: Column(
         children: <Widget>[
           // Input 1
-          _buildPasswordField(
-            controller: _controller1,
+          NewPasswordInputWidget(
+            key: _controller1,
+            user: widget.userInfo,
             label: tr("Your new password"),
-            errorText: _controller1.text.isNotEmpty && !_input1Valid
-                ? tr("Invalid password!")
-                : null,
             textInputAction: TextInputAction.next,
             onSubmitted: () => _focusScopeNode.nextFocus(),
           ),

lib/ui/dialogs/input_user_password_dialog.dart

@@ -30,7 +30,7 @@ class __InputUserPasswordDialogState
   String get _currPass => _controller.text;
 
   bool get _canSubmit =>
-      validatePassword(_controller.text) && _status != _Status.CHECKING;
+      legacyValidatePassword(_controller.text) && _status != _Status.CHECKING;
 
   void _setStatus(_Status s) => setState(() => _status = s);