import & export configuration (#1161,#1166)

* fix: auto formatter

* Revert "i18n.js: german translation"

This reverts commit e4a7ff08c6.

* fix conficts

* feat: load configuration from file

* import json config file & update the config (restore)
* export the config and save it to json file (backup)

* fix: reload configuration

* run linter
* screenshot update

* feat: support more langs

* add translations for French, Spanish, and Italian
* change the wording for better understanding of this feature:
    - "import" to "restore"
    - "export" to "backup"
* rename functions to reflect these changes

* i18n.js: german translation

* npm: package updates

* fix: icons & buttons view

* update the viewBox of svg elements
* add cursor pointer when hover the restore button
* rebuild the css

---------

Co-authored-by: tetuaoro <tetuaoropro@gmail.com>
Co-authored-by: tetuaoro <65575727+tetuaoro@users.noreply.github.com>

src/lib/Server.js

@@ -265,6 +265,23 @@ module.exports = class Server {
       });
     };
 
+    // backup_restore
+    const router3 = createRouter();
+    app.use(router3);
+
+    router3
+      .get('/api/wireguard/backup', defineEventHandler(async (event) => {
+        const config = await WireGuard.backupConfiguration();
+        setHeader(event, 'Content-Disposition', 'attachment; filename="wg0.json"');
+        setHeader(event, 'Content-Type', 'text/json');
+        return config;
+      }))
+      .put('/api/wireguard/restore', defineEventHandler(async (event) => {
+        const { file } = await readBody(event);
+        await WireGuard.restoreConfiguration(file);
+        return { success: true };
+      }));
+
     // Static assets
     const publicDir = '/app/www';
     app.use(

src/lib/WireGuard.js

@@ -319,6 +319,22 @@ Endpoint = ${WG_HOST}:${WG_CONFIG_PORT}`;
     await this.saveConfig();
   }
 
+  async ___forceRestart() {
+    this.__configPromise = null;
+    await this.saveConfig();
+  }
+
+  async restoreConfiguration(config) {
+    const _config = JSON.parse(config);
+    await this.__saveConfig(_config);
+    await this.___forceRestart();
+  }
+
+  async backupConfiguration() {
+    const config = await this.getConfig();
+    return JSON.stringify(config, null, 2);
+  }
+
   // Shutdown wireguard
   async Shutdown() {
     await Util.exec('wg-quick down wg0').catch(() => { });

src/www/css/app.css

@@ -1458,6 +1458,10 @@ video {
   border-bottom-width: 0px;
 }
 
+.hover\:cursor-pointer:hover {
+  cursor: pointer;
+}
+
 .hover\:border-red-800:hover {
   --tw-border-opacity: 1;
   border-color: rgb(153 27 27 / var(--tw-border-opacity));

src/www/index.html

@@ -91,6 +91,26 @@
               <p class="text-2xl font-medium dark:text-neutral-200">{{$t("clients")}}</p>
             </div>
             <div class="flex-shrink-0">
+              <!-- Restore configuration -->
+              <label for="inputRC" :title="$t('titleRestoreConfig')"
+                class="hover:cursor-pointer hover:bg-red-800 hover:border-red-800 hover:text-white text-gray-700 dark:text-neutral-200 border-2 border-gray-100 dark:border-neutral-600 py-2 px-4 rounded inline-flex items-center transition">
+                <svg inline class="w-4 mr-2" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="-2 -2 18 18" stroke="currentColor">
+                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M11.534 7h3.932a.25.25 0 0 1 .192.41l-1.966 2.36a.25.25 0 0 1-.384 0l-1.966-2.36a.25.25 0 0 1 .192-.41m-11 2h3.932a.25.25 0 0 0 .192-.41L2.692 6.23a.25.25 0 0 0-.384 0L.342 8.59A.25.25 0 0 0 .534 9" />
+                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 3c-1.552 0-2.94.707-3.857 1.818a.5.5 0 1 1-.771-.636A6.002 6.002 0 0 1 13.917 7H12.9A5 5 0 0 0 8 3M3.1 9a5.002 5.002 0 0 0 8.757 2.182.5.5 0 1 1 .771.636A6.002 6.002 0 0 1 2.083 9z" />
+                </svg>
+                <span class="text-sm">{{$t("restore")}}</span>
+                <input id="inputRC" type="file" name="configurationfile" accept="text/*,.json" @change="restoreConfig" class="hidden"/>
+              </label>
+              <!-- Backup configuration -->
+              <a href="./api/wireguard/backup" :title="$t('titleBackupConfig')"
+                class="hover:bg-red-800 hover:border-red-800 hover:text-white text-gray-700 dark:text-neutral-200 border-2 border-gray-100 dark:border-neutral-600 py-2 px-4 rounded inline-flex items-center transition">
+                <svg inline class="w-4 mr-2" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="-2 -2 18 18" stroke="currentColor">
+                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M11 2H9v3h2z" />
+                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M1.5 0h11.586a1.5 1.5 0 0 1 1.06.44l1.415 1.414A1.5 1.5 0 0 1 16 2.914V14.5a1.5 1.5 0 0 1-1.5 1.5h-13A1.5 1.5 0 0 1 0 14.5v-13A1.5 1.5 0 0 1 1.5 0M1 1.5v13a.5.5 0 0 0 .5.5H2v-4.5A1.5 1.5 0 0 1 3.5 9h9a1.5 1.5 0 0 1 1.5 1.5V15h.5a.5.5 0 0 0 .5-.5V2.914a.5.5 0 0 0-.146-.353l-1.415-1.415A.5.5 0 0 0 13.086 1H13v4.5A1.5 1.5 0 0 1 11.5 7h-7A1.5 1.5 0 0 1 3 5.5V1H1.5a.5.5 0 0 0-.5.5m3 4a.5.5 0 0 0 .5.5h7a.5.5 0 0 0 .5-.5V1H4zM3 15h10v-4.5a.5.5 0 0 0-.5-.5h-9a.5.5 0 0 0-.5.5z" />
+                </svg>
+                <span class="text-sm">{{$t("backup")}}</span>
+              </a>
+              <!-- New client -->
               <button @click="clientCreate = true; clientCreateName = '';"
                 class="hover:bg-red-800 hover:border-red-800 hover:text-white text-gray-700 dark:text-neutral-200 border-2 border-gray-100 dark:border-neutral-600 py-2 px-4 rounded inline-flex items-center transition">
                 <svg class="w-4 mr-2" inline xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24"

src/www/js/api.js

@@ -138,4 +138,12 @@ class API {
     });
   }
 
+  async restoreConfiguration(file) {
+    return this.call({
+      method: 'put',
+      path: '/wireguard/restore',
+      body: { file },
+    });
+  }
+
 }

src/www/js/app.js

@@ -299,6 +299,22 @@ new Vue({
         .catch((err) => alert(err.message || err.toString()))
         .finally(() => this.refresh().catch(console.error));
     },
+    restoreConfig(e) {
+      e.preventDefault();
+      const file = e.currentTarget.files.item(0);
+      if (file) {
+        file.text()
+          .then((content) => {
+            this.api.restoreConfiguration(content)
+              .then((_result) => alert('The configuration was updated.'))
+              .catch((err) => alert(err.message || err.toString()))
+              .finally(() => this.refresh().catch(console.error));
+          })
+          .catch((err) => alert(err.message || err.toString()));
+      } else {
+        alert('Failed to load your file!');
+      }
+    },
     toggleTheme() {
       const themes = ['light', 'dark', 'auto'];
       const currentIndex = themes.indexOf(this.uiTheme);

src/www/js/i18n.js

@@ -30,6 +30,10 @@ const messages = { // eslint-disable-line no-unused-vars
     donate: 'Donate',
     toggleCharts: 'Show/hide Charts',
     theme: { dark: 'Dark theme', light: 'Light theme', auto: 'Auto theme' },
+    restore: 'Restore',
+    backup: 'Backup',
+    titleRestoreConfig: 'Restore your configuration',
+    titleBackupConfig: 'Backup your configuration',
   },
   ua: {
     name: 'Ім`я',
@@ -193,6 +197,10 @@ const messages = { // eslint-disable-line no-unused-vars
     downloadConfig: 'Télécharger la configuration',
     madeBy: 'Développé par',
     donate: 'Soutenir',
+    restore: 'Restaurer',
+    backup: 'Sauvegarder',
+    titleRestoreConfig: 'Restaurer votre configuration',
+    titleBackupConfig: 'Sauvegarder votre configuration',
   },
   de: { // github.com/florian-asche
     name: 'Name',
@@ -221,6 +229,10 @@ const messages = { // eslint-disable-line no-unused-vars
     downloadConfig: 'Konfiguration herunterladen',
     madeBy: 'Erstellt von',
     donate: 'Spenden',
+    restore: 'Wiederherstellen',
+    backup: 'Sichern',
+    titleRestoreConfig: 'Stelle deine Konfiguration wieder her',
+    titleBackupConfig: 'Sichere deine Konfiguraion',
   },
   ca: { // github.com/guillembonet
     name: 'Nom',
@@ -277,6 +289,10 @@ const messages = { // eslint-disable-line no-unused-vars
     donate: 'Donar',
     toggleCharts: 'Mostrar/Ocultar gráficos',
     theme: { dark: 'Modo oscuro', light: 'Modo claro', auto: 'Modo automático' },
+    restore: 'Restaurar',
+    backup: 'Realizar copia de seguridad',
+    titleRestoreConfig: 'Restaurar su configuración',
+    titleBackupConfig: 'Realizar copia de seguridad de su configuración',
   },
   ko: {
     name: '이름',
@@ -493,6 +509,10 @@ const messages = { // eslint-disable-line no-unused-vars
     downloadConfig: 'Scarica configurazione',
     madeBy: 'Realizzato da',
     donate: 'Donazione',
+    restore: 'Ripristina',
+    backup: 'Backup',
+    titleRestoreConfig: 'Ripristina la tua configurazione',
+    titleBackupConfig: 'Esegui il backup della tua configurazione',
   },
   th: {
     name: 'ชื่อ',