Add HOTP counter field to Edit form

app/Http/Controllers/TwoFAccountController.php

@@ -34,7 +34,7 @@ public function store(Request $request)
         // for otpauth uri format validation
         $this->validate($request, [
             'service' => 'required',
-            'uri' => 'required|starts_with:otpauth://totp/',
+            'uri' => 'required|regex:/^otpauth:\/\/[h,t]otp\//i',
         ]);
 
         $twofaccount = TwoFAccount::create([

app/TwoFAccount.php

@@ -2,6 +2,8 @@
 
 namespace App;
 
+use OTPHP\HOTP;
+use OTPHP\Factory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Support\Facades\Storage;
 use Illuminate\Contracts\Encryption\DecryptException;
@@ -24,6 +26,14 @@ class TwoFAccount extends Model
     protected $table = 'twofaccounts';
 
 
+    /**
+     * The accessors to append to the model's array form.
+     *
+     * @var array
+     */
+    protected $appends = ['type', 'counter'];
+
+
     /**
      * Null empty icon resource has gone
      *
@@ -42,6 +52,35 @@ public function getIconAttribute($value)
         return $value;
     }
 
+    /**
+    * Get the account type.
+    *
+    * @return string
+    */
+    public function getTypeAttribute()
+    {
+        
+        return substr( $this->uri, 0, 15 ) === "otpauth://totp/" ? 'totp' : 'hotp';
+    }
+
+    /**
+    * Get the account counter in case of HOTP.
+    *
+    * @return integer
+    */
+    public function getCounterAttribute()
+    {
+        
+        if( $this->type === 'hotp' ) {
+            $otp = Factory::loadFromProvisioningUri($this->uri);
+
+            return $otp->getCounter();
+        }
+
+        return null;
+    }
+
+
     /**
      * Set the user's first name.
      *

resources/js/langs/locales.js

@@ -25,7 +25,7 @@ export default {
                 "change_password": "Change password",
                 "send_password_reset_link": "Send password reset link",
                 "change_your_password": "Change your password",
-                "your_password_has_been_changed": "Your password has been successfully changed ",
+                "password_successfully_changed": "Password successfully changed ",
                 "profile_saved": "Profile successfully updated!"
             }
         },
@@ -79,6 +79,7 @@ export default {
                 "new_account": "New account",
                 "edit_account": "Edit account",
                 "totp_uri": "TOTP Uri",
+                "hotp_counter": "HOTP Counter",
                 "use_qrcode": {
                     "val": "Use a qrcode",
                     "title": "Use a QR code to fill the form magically"

resources/js/views/twofaccounts/Edit.vue

@@ -18,6 +18,31 @@
                         </div>
                         <field-error :form="form" field="account" />
                     </div>
+                    <div v-if="form.counter">
+                        <div class="field" style="margin-bottom: 0.5rem;">
+                            <label class="label">{{ $t('twofaccounts.forms.hotp_counter') }}</label>
+                        </div>
+                        <div class="field has-addons">
+                            <div class="control is-expanded">
+                                <input class="input" type="text" placeholder="" v-model="form.counter" :disabled="counterIsLocked" />
+                            </div>
+                            <div class="control" v-if="counterIsLocked">
+                                <a class="button is-dark field-lock" @click="counterIsLocked = false" :title="$t('twofaccounts.forms.unlock.title')">
+                                    <span class="icon">
+                                        <font-awesome-icon :icon="['fas', 'lock']" />
+                                    </span>
+                                </a>
+                            </div>
+                            <div class="control" v-else>
+                                <a class="button is-dark field-unlock"  @click="counterIsLocked = true" :title="$t('twofaccounts.forms.lock.title')">
+                                    <span class="icon has-text-danger">
+                                        <font-awesome-icon :icon="['fas', 'lock-open']" />
+                                    </span>
+                                </a>
+                            </div>
+                        </div>
+                        <field-error :form="form" field="uri" class="help-for-file" />
+                    </div>
                     <div class="field">
                         <label class="label">{{ $t('twofaccounts.icon') }}</label>
                         <div class="file is-dark">
@@ -58,6 +83,7 @@
     export default {
         data() {
             return {
+                counterIsLocked: true,
                 twofaccountExists: false,
                 tempIcon: '',
                 form: new Form({
@@ -65,7 +91,9 @@
                     account: '',
                     uri: '',
                     icon: '',
-                    qrcode: null
+                    qrcode: null,
+                    type: '',
+                    counter: null
                 })
             }
         },

resources/lang/en/twofaccounts.php

@@ -31,6 +31,7 @@
         'new_account' => 'New account',
         'edit_account' => 'Edit account',
         'totp_uri' => 'TOTP Uri',
+        'hotp_counter' => 'HOTP Counter',
         'use_qrcode' => [
             'val' => 'Use a qrcode',
             'title' => 'Use a QR code to fill the form magically',