Refact/verification code input check (#6924)

* Refact, login verification code, input check

Signed-off-by: fufesou <shuanglongchen@yeah.net>

* Refact, settings, enable 2fa, dialog input

Signed-off-by: fufesou <shuanglongchen@yeah.net>

* Refact. Connect, 2fa code, input check

Signed-off-by: fufesou <shuanglongchen@yeah.net>

* refact, 2Fa text field, input formatter, only digits

Signed-off-by: fufesou <shuanglongchen@yeah.net>

* refact, error message

Signed-off-by: fufesou <shuanglongchen@yeah.net>

---------

Signed-off-by: fufesou <shuanglongchen@yeah.net>

flutter/lib/common/widgets/dialog.dart

@@ -1,5 +1,6 @@
 import 'dart:async';
 import 'dart:io';
+import 'dart:ui';
 
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
@@ -362,6 +363,7 @@ class DialogTextField extends StatelessWidget {
   final Widget? suffixIcon;
   final TextEditingController controller;
   final FocusNode? focusNode;
+  final List<TextInputFormatter>? inputFormatters;
 
   static const kUsernameTitle = 'Username';
   static const kUsernameIcon = Icon(Icons.account_circle_outlined);
@@ -377,6 +379,7 @@ class DialogTextField extends StatelessWidget {
       this.prefixIcon,
       this.suffixIcon,
       this.hintText,
+      this.inputFormatters,
       required this.title,
       required this.controller})
       : super(key: key);
@@ -401,6 +404,7 @@ class DialogTextField extends StatelessWidget {
             focusNode: focusNode,
             autofocus: true,
             obscureText: obscureText,
+            inputFormatters: inputFormatters,
           ),
         ),
       ],
@@ -408,6 +412,241 @@ class DialogTextField extends StatelessWidget {
   }
 }
 
+abstract class ValidationField extends StatelessWidget {
+  ValidationField({Key? key}) : super(key: key);
+
+  String? validate();
+  bool get isReady;
+}
+
+class Dialog2FaField extends ValidationField {
+  Dialog2FaField({
+    Key? key,
+    required this.controller,
+    this.autoFocus = true,
+    this.reRequestFocus = false,
+    this.title,
+    this.helperText,
+    this.hintText,
+    this.errorText,
+    this.readyCallback,
+    this.onChanged,
+  }) : super(key: key);
+
+  final TextEditingController controller;
+  final bool autoFocus;
+  final bool reRequestFocus;
+  final String? title;
+  final String? helperText;
+  final String? hintText;
+  final String? errorText;
+  final VoidCallback? readyCallback;
+  final VoidCallback? onChanged;
+  final errMsg = translate('2FA code must be 6 digits.');
+
+  @override
+  Widget build(BuildContext context) {
+    return DialogVerificationCodeField(
+      title: title ?? translate('2FA code'),
+      controller: controller,
+      errorText: errorText,
+      autoFocus: autoFocus,
+      reRequestFocus: reRequestFocus,
+      hintText: hintText,
+      readyCallback: readyCallback,
+      helperText: helperText ?? translate('2fa_tip'),
+      onChanged: _onChanged,
+      inputFormatters: [
+        FilteringTextInputFormatter.allow(RegExp(r'[0-9]')),
+      ],
+    );
+  }
+
+  String get text => controller.text;
+  bool get isAllDigits => text.codeUnits.every((e) => e >= 48 && e <= 57);
+
+  @override
+  bool get isReady => text.length == 6 && isAllDigits;
+
+  @override
+  String? validate() => isReady ? null : errMsg;
+
+  _onChanged(StateSetter setState, SimpleWrapper<String?> errText) {
+    onChanged?.call();
+
+    if (text.length > 6) {
+      setState(() => errText.value = errMsg);
+      return;
+    }
+
+    if (!isAllDigits) {
+      setState(() => errText.value = errMsg);
+      return;
+    }
+
+    if (isReady) {
+      readyCallback?.call();
+      return;
+    }
+
+    if (errText.value != null) {
+      setState(() => errText.value = null);
+    }
+  }
+}
+
+class DialogEmailCodeField extends ValidationField {
+  DialogEmailCodeField({
+    Key? key,
+    required this.controller,
+    this.autoFocus = true,
+    this.reRequestFocus = false,
+    this.hintText,
+    this.errorText,
+    this.readyCallback,
+    this.onChanged,
+  }) : super(key: key);
+
+  final TextEditingController controller;
+  final bool autoFocus;
+  final bool reRequestFocus;
+  final String? hintText;
+  final String? errorText;
+  final VoidCallback? readyCallback;
+  final VoidCallback? onChanged;
+  final errMsg = translate('Email verification code must be 6 characters.');
+
+  @override
+  Widget build(BuildContext context) {
+    return DialogVerificationCodeField(
+      title: translate('Verification code'),
+      controller: controller,
+      errorText: errorText,
+      autoFocus: autoFocus,
+      reRequestFocus: reRequestFocus,
+      hintText: hintText,
+      readyCallback: readyCallback,
+      helperText: translate('verification_tip'),
+      onChanged: _onChanged,
+    );
+  }
+
+  String get text => controller.text;
+
+  @override
+  bool get isReady => text.length == 6;
+
+  @override
+  String? validate() => isReady ? null : errMsg;
+
+  _onChanged(StateSetter setState, SimpleWrapper<String?> errText) {
+    onChanged?.call();
+
+    if (text.length > 6) {
+      setState(() => errText.value = errMsg);
+      return;
+    }
+
+    if (isReady) {
+      readyCallback?.call();
+      return;
+    }
+
+    if (errText.value != null) {
+      setState(() => errText.value = null);
+    }
+  }
+}
+
+class DialogVerificationCodeField extends StatefulWidget {
+  DialogVerificationCodeField({
+    Key? key,
+    required this.controller,
+    required this.title,
+    this.autoFocus = true,
+    this.reRequestFocus = false,
+    this.helperText,
+    this.hintText,
+    this.errorText,
+    this.textLength,
+    this.readyCallback,
+    this.onChanged,
+    this.inputFormatters,
+  }) : super(key: key);
+
+  final TextEditingController controller;
+  final bool autoFocus;
+  final bool reRequestFocus;
+  final String title;
+  final String? helperText;
+  final String? hintText;
+  final String? errorText;
+  final int? textLength;
+  final VoidCallback? readyCallback;
+  final Function(StateSetter setState, SimpleWrapper<String?> errText)?
+      onChanged;
+  final List<TextInputFormatter>? inputFormatters;
+
+  @override
+  State<DialogVerificationCodeField> createState() =>
+      _DialogVerificationCodeField();
+}
+
+class _DialogVerificationCodeField extends State<DialogVerificationCodeField> {
+  final _focusNode = FocusNode();
+  Timer? _timer;
+  Timer? _timerReRequestFocus;
+  SimpleWrapper<String?> errorText = SimpleWrapper(null);
+
+  @override
+  void initState() {
+    super.initState();
+    if (widget.autoFocus) {
+      _timer =
+          Timer(Duration(milliseconds: 50), () => _focusNode.requestFocus());
+
+      if (widget.onChanged != null) {
+        widget.controller.addListener(() {
+          widget.onChanged!(setState, errorText);
+        });
+      }
+    }
+
+    // software secure keyboard will take the focus since flutter 3.13
+    // request focus again when android account password obtain focus
+    if (Platform.isAndroid && widget.reRequestFocus) {
+      _focusNode.addListener(() {
+        if (_focusNode.hasFocus) {
+          _timerReRequestFocus?.cancel();
+          _timerReRequestFocus = Timer(
+              Duration(milliseconds: 100), () => _focusNode.requestFocus());
+        }
+      });
+    }
+  }
+
+  @override
+  void dispose() {
+    _timer?.cancel();
+    _timerReRequestFocus?.cancel();
+    _focusNode.unfocus();
+    _focusNode.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return DialogTextField(
+      title: widget.title,
+      controller: widget.controller,
+      errorText: widget.errorText ?? errorText.value,
+      focusNode: _focusNode,
+      helperText: widget.helperText,
+      inputFormatters: widget.inputFormatters,
+    );
+  }
+}
+
 class PasswordWidget extends StatefulWidget {
   PasswordWidget({
     Key? key,
@@ -1512,9 +1751,31 @@ void change2fa({Function()? callback}) async {
   var new2fa = (await bind.mainGenerate2Fa());
   final secretRegex = RegExp(r'secret=([^&]+)');
   final secret = secretRegex.firstMatch(new2fa)?.group(1);
-  var msg = ''.obs;
+  String? errorText;
-  final RxString code = "".obs;
+  final controller = TextEditingController();
   gFFI.dialogManager.show((setState, close, context) {
+    onVerify() async {
+      if (await bind.mainVerify2Fa(code: controller.text.trim())) {
+        callback?.call();
+        close();
+      } else {
+        errorText = translate('wrong-2fa-code');
+      }
+    }
+
+    final codeField = Dialog2FaField(
+      controller: controller,
+      errorText: errorText,
+      onChanged: () => setState(() => errorText = null),
+      title: translate('Verification code'),
+      readyCallback: () {
+        onVerify();
+        setState(() {});
+      },
+    );
+
+    getOnSubmit() => codeField.isReady ? onVerify : null;
+
     return CustomAlertDialog(
       title: Text(translate("enable-2fa-title")),
       content: Column(
@@ -1535,36 +1796,12 @@ void change2fa({Function()? callback}) async {
               )).marginOnly(bottom: 6),
           SelectableText(secret ?? '', style: TextStyle(fontSize: 12))
               .marginOnly(bottom: 12),
-          Row(children: [
+          Row(children: [Expanded(child: codeField)]),
-            Expanded(
-                child: Obx(() => TextField(
-                    decoration: InputDecoration(
-                        errorText:
-                            msg.value.isEmpty ? null : translate(msg.value),
-                        hintText: translate("Verification code")),
-                    onChanged: (value) {
-                      code.value = value;
-                      msg.value = '';
-                    },
-                    autofocus: true)))
-          ]),
         ],
       ),
       actions: [
         dialogButton("Cancel", onPressed: close, isOutline: true),
-        Obx(() => dialogButton(
+        dialogButton("OK", onPressed: getOnSubmit()),
-              "OK",
-              onPressed: code.value.trim().length == 6
-                  ? () async {
-                      if (await bind.mainVerify2Fa(code: code.value.trim())) {
-                        callback?.call();
-                        close();
-                      } else {
-                        msg.value = translate('wrong-2fa-code');
-                      }
-                    }
-                  : null,
-            )),
       ],
       onCancel: close,
     );
@@ -1573,7 +1810,9 @@ void change2fa({Function()? callback}) async {
 
 void enter2FaDialog(
     SessionID sessionId, OverlayDialogManager dialogManager) async {
-  final RxString code = "".obs;
+  final controller = TextEditingController();
+  final RxBool submitReady = false.obs;
+
   dialogManager.dismissAll();
   dialogManager.show((setState, close, context) {
     cancel() {
@@ -1582,34 +1821,23 @@ void enter2FaDialog(
     }
 
     submit() {
-      if (code.value.trim().length != 6) {
+      gFFI.send2FA(sessionId, controller.text.trim());
-        return;
-      }
-      gFFI.send2FA(sessionId, code.value.trim());
       close();
       dialogManager.showLoading(translate('Logging in...'),
           onCancel: closeConnection);
     }
 
+    late Dialog2FaField codeField;
+
+    codeField = Dialog2FaField(
+      controller: controller,
+      title: translate('Verification code'),
+      onChanged: () => submitReady.value = codeField.isReady,
+    );
+
     return CustomAlertDialog(
-        title: Text(translate("enter-2fa-title")),
+        title: Text(translate('enter-2fa-title')),
-        content: Column(
+        content: codeField,
-          crossAxisAlignment: CrossAxisAlignment.start,
-          children: [
-            Row(children: [
-              Expanded(
-                  child: TextField(
-                      decoration: InputDecoration(
-                          hintText: translate("Verification code")),
-                      onChanged: (value) {
-                        code.value = value;
-                      },
-                      autofocus: true))
-            ]),
-          ],
-        ),
-        onSubmit: submit,
-        onCancel: cancel,
         actions: [
           dialogButton(
             'Cancel',
@@ -1618,7 +1846,7 @@ void enter2FaDialog(
           ),
           Obx(() => dialogButton(
                 'OK',
-                onPressed: code.value.trim().length == 6 ? submit : null,
+                onPressed: submitReady.isTrue ? submit : null,
               )),
         ]);
   });

flutter/lib/common/widgets/login.dart

@@ -615,23 +615,11 @@ Future<bool?> verificationCodeDialog(
   var autoLogin = true;
   var isInProgress = false;
   String? errorText;
-  String preCode = '';
 
   final code = TextEditingController();
-  final focusNode = FocusNode()..requestFocus();
-  Timer(Duration(milliseconds: 100), () => focusNode..requestFocus());
 
   final res = await gFFI.dialogManager.show<bool>((setState, close, context) {
-    bool validate() {
-      return code.text.length >= 6;
-    }
-
     void onVerify() async {
-      if (!validate()) {
-        setState(
-            () => errorText = translate('Too short, at least 6 characters.'));
-        return;
-      }
       setState(() => isInProgress = true);
 
       try {
@@ -666,18 +654,21 @@ Future<bool?> verificationCodeDialog(
       setState(() => isInProgress = false);
     }
 
-    code.addListener(() {
+    final codeField = isEmailVerification
-      if (errorText != null) {
+        ? DialogEmailCodeField(
-        setState(() => errorText = null);
+            controller: code,
-      }
+            errorText: errorText,
-      if (preCode.length != 6 && code.text.length == 6) {
+            readyCallback: onVerify,
-        onVerify();
+            onChanged: () => errorText = null,
-      }
+          )
-      if (!isEmailVerification && preCode.length != 10 && code.text.length == 10) {
+        : Dialog2FaField(
-        onVerify();
+            controller: code,
-      }
+            errorText: errorText,
-      preCode = code.text;
+            readyCallback: onVerify,
-    });
+            onChanged: () => errorText = null,
+          );
+
+    getOnSubmit() => codeField.isReady ? onVerify : null;
 
     return CustomAlertDialog(
         title: Text(translate("Verification code")),
@@ -693,15 +684,7 @@ Future<bool?> verificationCodeDialog(
                   controller: TextEditingController(text: user?.email),
                 )),
             isEmailVerification ? const SizedBox(height: 8) : const Offstage(),
-            DialogTextField(
+            codeField,
-              title:
-                  '${translate(isEmailVerification ? "Verification code" : "2FA code")}:',
-              controller: code,
-              errorText: errorText,
-              focusNode: focusNode,
-              helperText: translate(
-                  isEmailVerification ? 'verification_tip' : '2fa_tip'),
-            ),
             /*
             CheckboxListTile(
               contentPadding: const EdgeInsets.all(0),
@@ -722,10 +705,10 @@ Future<bool?> verificationCodeDialog(
           ],
         ),
         onCancel: close,
-        onSubmit: onVerify,
+        onSubmit: getOnSubmit(),
         actions: [
           dialogButton("Cancel", onPressed: close, isOutline: true),
-          dialogButton("Verify", onPressed: onVerify),
+          dialogButton("Verify", onPressed: getOnSubmit()),
         ]);
   });
 

src/lang/ar.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/ca.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/cn.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", "Email 验证码必须是 6 个字符。"),
+        ("2FA code must be 6 digits.", "2FA 码必须是6位数字。"),
     ].iter().cloned().collect();
 }

src/lang/cs.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/da.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/de.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", "Bitte richten Sie jetzt Ihren Authentifikator ein. Sie können eine Authentifizierungs-App wie Authy, Microsoft oder Google Authenticator auf Ihrem Telefon oder Desktop verwenden.\n\nScannen Sie den QR-Code mit Ihrer App und geben Sie den Code ein, den Ihre App anzeigt, um die Zwei-Faktor-Authentifizierung zu aktivieren."),
         ("wrong-2fa-code", "Der Code kann nicht verifiziert werden. Prüfen Sie, ob der Code und die lokalen Zeiteinstellungen korrekt sind."),
         ("enter-2fa-title", "Zwei-Faktor-Authentifizierung"),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/el.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/eo.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/es.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/et.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/fa.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/fr.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/hu.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/id.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/it.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/ja.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/ko.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/kz.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/lt.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/lv.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/nb.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/nl.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/pl.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/pt_PT.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/ptbr.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/ro.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/ru.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/sk.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/sl.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/sq.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/sr.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/sv.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/template.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/th.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/tr.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/tw.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/ua.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }

src/lang/vn.rs

@@ -585,5 +585,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("enable-2fa-desc", ""),
         ("wrong-2fa-code", ""),
         ("enter-2fa-title", ""),
+        ("Email verification code must be 6 characters.", ""),
+        ("2FA code must be 6 digits.", ""),
     ].iter().cloned().collect();
 }