execute custom js from custom

.gitignore

@@ -33,3 +33,4 @@ installed.log
 .DS_Store
 .NO_SECURE_KEY
 .NO_AUTO_COMPOSER_MIGRATE
+storage/bootstrap/cache/*

app/Http/Controllers/Administration/SettingsController.php

@@ -8,6 +8,7 @@
 use App\Http\Requests\Settings\GetSetAllSettingsRequest;
 use App\Http\Requests\Settings\SetAlbumDecorationRequest;
 use App\Http\Requests\Settings\SetCSSSettingRequest;
+use App\Http\Requests\Settings\SetJSSettingRequest;
 use App\Http\Requests\Settings\SetDefaultLicenseSettingRequest;
 use App\Http\Requests\Settings\SetDropboxKeySettingRequest;
 use App\Http\Requests\Settings\SetImageOverlaySettingRequest;
@@ -333,6 +334,30 @@ public function setCSS(SetCSSSettingRequest $request): void
 		}
 	}
 
+	/**
+	 * Takes the js input text and put it into `dist/custom.js`.
+	 * This allows admins to actually execute custom js code on their
+	 * Lychee-Laravel installation.
+	 *
+	 * @param SetJSSettingRequest $request
+	 *
+	 * @return void
+	 *
+	 * @throws InsufficientFilesystemPermissions
+	 */
+	public function setJS(SetJSSettingRequest $request): void
+	{
+		/** @var string $js */
+		$js = $request->getSettingValue();
+		if (Storage::disk('dist')->put('custom.js', $js) === true) {
+			if (Storage::disk('dist')->get('custom.js') !== $js) {
+				throw new InsufficientFilesystemPermissions('Could not save JS');
+			}
+		} else {
+			throw new InsufficientFilesystemPermissions('Could not save JS');
+		}
+	}
+
 	/**
 	 * Returns ALL settings. This is not filtered!
 	 * Fortunately, this is behind an admin middleware.

app/Http/Requests/Settings/SetJSSettingRequest.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Http\Requests\Settings;
+
+class SetJSSettingRequest extends AbstractSettingRequest
+{
+	public const ATTRIBUTE = 'js';
+
+	/**
+	 * {@inheritDoc}
+	 */
+	public function rules(): array
+	{
+		return [self::ATTRIBUTE => 'present|nullable|string'];
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	protected function processValidatedValues(array $values, array $files): void
+	{
+		$this->name = self::ATTRIBUTE;
+		$this->value = $values[self::ATTRIBUTE] ?? '';
+	}
+}

app/Locale/ChineseSimplified.php

@@ -311,6 +311,7 @@ public function get_locale(): array
 			'SETTINGS_SUCCESS_MAP_DISPLAY_PUBLIC' => '公开相册的地图显示设置已更新',
 			'SETTINGS_SUCCESS_MAP_PROVIDER' => '地图供应商设置已更新',
 			'SETTINGS_SUCCESS_CSS' => 'Stylesheets updated',
+			'SETTINGS_SUCCESS_JS' => 'JS updated',
 			'SETTINGS_SUCCESS_UPDATE' => 'Settings updated successfully',
 			'SETTINGS_DROPBOX_KEY' => 'Dropbox API Key',
 			'SETTINGS_ADVANCED_WARNING_EXPL' => 'Changing these advanced settings can be harmful to the stability, security and performance of this application. You should only modify them if you are sure of what you are doing.',
@@ -374,6 +375,8 @@ public function get_locale(): array
 
 			'CSS_TEXT' => 'Personalize CSS:',
 			'CSS_TITLE' => 'Change CSS',
+			'JS_TEXT' => 'Custom JS:',
+			'JS_TITLE' => 'Change JS',
 			'PUBLIC_SEARCH_TEXT' => '允许公共搜索：',
 			'OVERLAY_TYPE' => '用于图像叠层中的数据:',
 			'OVERLAY_NONE' => 'No overlay',

app/Locale/ChineseTraditional.php

@@ -311,6 +311,7 @@ public function get_locale(): array
 			'SETTINGS_SUCCESS_MAP_DISPLAY_PUBLIC' => '公開相簿的地圖顯示設置已更新',
 			'SETTINGS_SUCCESS_MAP_PROVIDER' => '地圖提供商設置已更新',
 			'SETTINGS_SUCCESS_CSS' => 'Stylesheets updated',
+			'SETTINGS_SUCCESS_JS' => 'JS updated',
 			'SETTINGS_SUCCESS_UPDATE' => 'Settings updated successfully',
 			'SETTINGS_DROPBOX_KEY' => 'Dropbox API Key',
 			'SETTINGS_ADVANCED_WARNING_EXPL' => 'Changing these advanced settings can be harmful to the stability, security and performance of this application. You should only modify them if you are sure of what you are doing.',
@@ -374,6 +375,8 @@ public function get_locale(): array
 
 			'CSS_TEXT' => 'Personalize CSS:',
 			'CSS_TITLE' => 'Change CSS',
+			'JS_TEXT' => 'Custom JS:',
+			'JS_TITLE' => 'Change JS',
 			'PUBLIC_SEARCH_TEXT' => '允許公共搜索:',
 			'OVERLAY_TYPE' => '圖像疊加中要使用的數據:',
 			'OVERLAY_NONE' => 'None',

app/Locale/Czech.php

@@ -311,6 +311,7 @@ public function get_locale(): array
 			'SETTINGS_SUCCESS_MAP_DISPLAY_PUBLIC' => 'Nastavení zobrazeni Map pro veřejná alba bylo aktualizováno',
 			'SETTINGS_SUCCESS_MAP_PROVIDER' => 'Poskytovatel Map byl aktualizován',
 			'SETTINGS_SUCCESS_CSS' => 'CSS aktualizováno',
+			'SETTINGS_SUCCESS_JS' => 'JS updated',
 			'SETTINGS_SUCCESS_UPDATE' => 'Nastavení úspešně aktualizováno',
 			'SETTINGS_DROPBOX_KEY' => 'Dropbox API Key',
 			'SETTINGS_ADVANCED_WARNING_EXPL' => 'Změna rozšířených nastavení může mít negativní vliv na stabilitu, bezpečnost a rychlost Lychee. Měňte pouze to, co opravdu dobře chápete.',
@@ -374,6 +375,8 @@ public function get_locale(): array
 
 			'CSS_TEXT' => 'Vlastní CSS:',
 			'CSS_TITLE' => 'Změnit CSS',
+			'JS_TEXT' => 'Custom JS:',
+			'JS_TITLE' => 'Change JS',
 			'PUBLIC_SEARCH_TEXT' => 'Veřejné vyhledávání povoleno:',
 			'OVERLAY_TYPE' => 'Data, která budou použita na překryvu:',
 			'OVERLAY_NONE' => 'None',

app/Locale/Dutch.php

@@ -311,6 +311,7 @@ public function get_locale(): array
 			'SETTINGS_SUCCESS_MAP_DISPLAY_PUBLIC' => 'Map display settings for public albums updated',
 			'SETTINGS_SUCCESS_MAP_PROVIDER' => 'Map provider settings updated',
 			'SETTINGS_SUCCESS_CSS' => 'Stylesheets updated',
+			'SETTINGS_SUCCESS_JS' => 'JS updated',
 			'SETTINGS_SUCCESS_UPDATE' => 'Settings updated successfully',
 			'SETTINGS_DROPBOX_KEY' => 'Dropbox API Key',
 			'SETTINGS_ADVANCED_WARNING_EXPL' => 'Changing these advanced settings can be harmful to the stability, security and performance of this application. You should only modify them if you are sure of what you are doing.',
@@ -374,6 +375,8 @@ public function get_locale(): array
 
 			'CSS_TEXT' => 'Personalize CSS:',
 			'CSS_TITLE' => 'Change CSS',
+			'JS_TEXT' => 'Custom JS:',
+			'JS_TITLE' => 'Change JS',
 			'PUBLIC_SEARCH_TEXT' => 'Openbare zoekactie toegestaan:',
 			'OVERLAY_TYPE' => 'Photo overlay:',
 			'OVERLAY_NONE' => 'None',

app/Locale/English.php

@@ -311,6 +311,7 @@ public function get_locale(): array
 			'SETTINGS_SUCCESS_MAP_DISPLAY_PUBLIC' => 'Map display settings for public albums updated',
 			'SETTINGS_SUCCESS_MAP_PROVIDER' => 'Map provider settings updated',
 			'SETTINGS_SUCCESS_CSS' => 'CSS updated',
+			'SETTINGS_SUCCESS_JS' => 'JS updated',
 			'SETTINGS_SUCCESS_UPDATE' => 'Settings updated successfully',
 			'SETTINGS_DROPBOX_KEY' => 'Dropbox API Key',
 			'SETTINGS_ADVANCED_WARNING_EXPL' => 'Changing these advanced settings can be harmful to the stability, security and performance of this application. You should only modify them if you are sure of what you are doing.',
@@ -374,6 +375,8 @@ public function get_locale(): array
 
 			'CSS_TEXT' => 'Personalize CSS:',
 			'CSS_TITLE' => 'Change CSS',
+			'JS_TEXT' => 'Custom JS:',
+			'JS_TITLE' => 'Change JS',
 			'PUBLIC_SEARCH_TEXT' => 'Public search allowed:',
 			'OVERLAY_TYPE' => 'Photo overlay:',
 			'OVERLAY_NONE' => 'None',

app/Locale/French.php

@@ -311,6 +311,7 @@ public function get_locale(): array
 			'SETTINGS_SUCCESS_MAP_DISPLAY_PUBLIC' => 'Paramètres de la carte pour les albums publics mis à jour.',
 			'SETTINGS_SUCCESS_MAP_PROVIDER' => 'Fournisseur de la Carte mis à jour.',
 			'SETTINGS_SUCCESS_CSS' => 'Stylesheets mise à jour ',
+			'SETTINGS_SUCCESS_JS' => 'JS updated',
 			'SETTINGS_SUCCESS_UPDATE' => 'Paramètres mis à jour avec succes',
 			'SETTINGS_DROPBOX_KEY' => 'Dropbox API Key',
 			'SETTINGS_ADVANCED_WARNING_EXPL' => 'Changer les paramètres avancés peut influencer la stabilité, la securité et les performances de Lychee. Modifiez à vos risques et périls.',
@@ -374,6 +375,8 @@ public function get_locale(): array
 
 			'CSS_TEXT' => 'Personalize CSS :',
 			'CSS_TITLE' => 'Change CSS',
+			'JS_TEXT' => 'Custom JS:',
+			'JS_TITLE' => 'Change JS',
 			'PUBLIC_SEARCH_TEXT' => 'Recherche publique autorisée :',
 			'OVERLAY_TYPE' => 'Informations à utiliser pour l’overlay :',
 			'OVERLAY_NONE' => 'Pas d’overlay',

app/Locale/German.php

@@ -311,6 +311,7 @@ public function get_locale(): array
 			'SETTINGS_SUCCESS_MAP_DISPLAY_PUBLIC' => 'Karteneinstellungen für öffentlichen Alben erfolgreich aktualisiert',
 			'SETTINGS_SUCCESS_MAP_PROVIDER' => 'Provider für Karten erfolgreich aktualisiert',
 			'SETTINGS_SUCCESS_CSS' => 'CSS aktualisiert',
+			'SETTINGS_SUCCESS_JS' => 'JS updated',
 			'SETTINGS_SUCCESS_UPDATE' => 'Einstellungen erfolgreich aktualisiert',
 			'SETTINGS_DROPBOX_KEY' => 'Dropbox-API-Schlüssel',
 			'SETTINGS_ADVANCED_WARNING_EXPL' => 'Ändern dieser erweiterten Einstellungen kann sich negativ auf die Stabilität, Sicherheit und Geschwindigkeit dieser Anwendung auswirken. Sie sollten sie nur ändern, wenn Sie genau wissen, was Sie tun.',
@@ -374,6 +375,8 @@ public function get_locale(): array
 
 			'CSS_TEXT' => 'CSS personalisieren:',
 			'CSS_TITLE' => 'CSS ändern',
+			'JS_TEXT' => 'Custom JS:',
+			'JS_TITLE' => 'Change JS',
 			'PUBLIC_SEARCH_TEXT' => 'Öffentliche Suche erlauben',
 			'OVERLAY_TYPE' => 'Daten für Foto-Overlay:',
 			'OVERLAY_NONE' => 'Kein Overlay',

app/Locale/Greek.php

@@ -311,6 +311,7 @@ public function get_locale(): array
 			'SETTINGS_SUCCESS_MAP_DISPLAY_PUBLIC' => 'Map display settings for public albums updated',
 			'SETTINGS_SUCCESS_MAP_PROVIDER' => 'Map provider settings updated',
 			'SETTINGS_SUCCESS_CSS' => 'Stylesheets updated',
+			'SETTINGS_SUCCESS_JS' => 'JS updated',
 			'SETTINGS_SUCCESS_UPDATE' => 'Settings updated successfully',
 			'SETTINGS_DROPBOX_KEY' => 'Dropbox API Key',
 			'SETTINGS_ADVANCED_WARNING_EXPL' => 'Changing these advanced settings can be harmful to the stability, security and performance of this application. You should only modify them if you are sure of what you are doing.',
@@ -374,6 +375,8 @@ public function get_locale(): array
 
 			'CSS_TEXT' => 'Personalize CSS:',
 			'CSS_TITLE' => 'Change CSS',
+			'JS_TEXT' => 'Custom JS:',
+			'JS_TITLE' => 'Change JS',
 			'PUBLIC_SEARCH_TEXT' => 'Να επιτρέπεται η δημόσια αναζήτηση:',
 			'OVERLAY_TYPE' => 'Δεδομένα που θα χρησιμοποιηθούν στο overlay εικόνας:',
 			'OVERLAY_NONE' => 'None',

app/Locale/Italian.php

@@ -311,6 +311,7 @@ public function get_locale(): array
 			'SETTINGS_SUCCESS_MAP_DISPLAY_PUBLIC' => 'Map display settings for public albums updated',
 			'SETTINGS_SUCCESS_MAP_PROVIDER' => 'Map provider settings updated',
 			'SETTINGS_SUCCESS_CSS' => 'Stylesheets updated',
+			'SETTINGS_SUCCESS_JS' => 'JS updated',
 			'SETTINGS_SUCCESS_UPDATE' => 'Settings updated successfully',
 			'SETTINGS_DROPBOX_KEY' => 'Dropbox API Key',
 			'SETTINGS_ADVANCED_WARNING_EXPL' => 'Changing these advanced settings can be harmful to the stability, security and performance of this application. You should only modify them if you are sure of what you are doing.',
@@ -374,6 +375,8 @@ public function get_locale(): array
 
 			'CSS_TEXT' => 'Personalize CSS:',
 			'CSS_TITLE' => 'Change CSS',
+			'JS_TEXT' => 'Custom JS:',
+			'JS_TITLE' => 'Change JS',
 			'PUBLIC_SEARCH_TEXT' => 'Ricerca pubblica consentita:',
 			'OVERLAY_TYPE' => 'Contenuto da utilizzare nella filigrana:',
 			'OVERLAY_NONE' => 'None',

app/Locale/NorwegianBokmal.php

@@ -311,6 +311,7 @@ public function get_locale(): array
 			'SETTINGS_SUCCESS_MAP_DISPLAY_PUBLIC' => 'Innstillinger for Kartvisning for offentlige album oppdatert',
 			'SETTINGS_SUCCESS_MAP_PROVIDER' => 'Innstillinger for kartleverandør oppdatert',
 			'SETTINGS_SUCCESS_CSS' => 'Stylesheets updated',
+			'SETTINGS_SUCCESS_JS' => 'JS updated',
 			'SETTINGS_SUCCESS_UPDATE' => 'Settings updated successfully',
 			'SETTINGS_DROPBOX_KEY' => 'Dropbox API Key',
 			'SETTINGS_ADVANCED_WARNING_EXPL' => 'Changing these advanced settings can be harmful to the stability, security and performance of this application. You should only modify them if you are sure of what you are doing.',
@@ -374,6 +375,8 @@ public function get_locale(): array
 
 			'CSS_TEXT' => 'Personalize CSS:',
 			'CSS_TITLE' => 'Change CSS',
+			'JS_TEXT' => 'Custom JS:',
+			'JS_TITLE' => 'Change JS',
 			'PUBLIC_SEARCH_TEXT' => 'Offentlig søk tillatt:',
 			'OVERLAY_TYPE' => 'Data som skal brukes til overvisning:',
 			'OVERLAY_NONE' => 'None',

app/Locale/Polish.php

@@ -311,6 +311,7 @@ public function get_locale(): array
 			'SETTINGS_SUCCESS_MAP_DISPLAY_PUBLIC' => 'Zaktualizowano ustawienia wyświetlania mapy dla albumów publicznych',
 			'SETTINGS_SUCCESS_MAP_PROVIDER' => 'Zaktualizowano ustawienia dostawcy map',
 			'SETTINGS_SUCCESS_CSS' => 'Stylesheets updated',
+			'SETTINGS_SUCCESS_JS' => 'JS updated',
 			'SETTINGS_SUCCESS_UPDATE' => 'Settings updated successfully',
 			'SETTINGS_DROPBOX_KEY' => 'Dropbox API Key',
 			'SETTINGS_ADVANCED_WARNING_EXPL' => 'Changing these advanced settings can be harmful to the stability, security and performance of this application. You should only modify them if you are sure of what you are doing.',
@@ -374,6 +375,8 @@ public function get_locale(): array
 
 			'CSS_TEXT' => 'Personalize CSS:',
 			'CSS_TITLE' => 'Change CSS',
+			'JS_TEXT' => 'Custom JS:',
+			'JS_TITLE' => 'Change JS',
 			'PUBLIC_SEARCH_TEXT' => 'Public search allowed:',
 			'OVERLAY_TYPE' => 'Photo overlay:',
 			'OVERLAY_NONE' => 'None',

app/Locale/Portuguese.php

@@ -311,6 +311,7 @@ public function get_locale(): array
 			'SETTINGS_SUCCESS_MAP_DISPLAY_PUBLIC' => 'Configuração da janela do mapa para álbums públicos atualizada',
 			'SETTINGS_SUCCESS_MAP_PROVIDER' => 'Provider do mapa atualizado',
 			'SETTINGS_SUCCESS_CSS' => 'Stylesheets updated',
+			'SETTINGS_SUCCESS_JS' => 'JS updated',
 			'SETTINGS_SUCCESS_UPDATE' => 'Settings updated successfully',
 			'SETTINGS_DROPBOX_KEY' => 'Dropbox API Key',
 			'SETTINGS_ADVANCED_WARNING_EXPL' => 'Changing these advanced settings can be harmful to the stability, security and performance of this application. You should only modify them if you are sure of what you are doing.',
@@ -374,6 +375,8 @@ public function get_locale(): array
 
 			'CSS_TEXT' => 'Personalize CSS:',
 			'CSS_TITLE' => 'Change CSS',
+			'JS_TEXT' => 'Custom JS:',
+			'JS_TITLE' => 'Change JS',
 			'PUBLIC_SEARCH_TEXT' => 'Pesquisa pública permitida:',
 			'OVERLAY_TYPE' => 'Data a usar no overlay da imagem:',
 			'OVERLAY_NONE' => 'None',

app/Locale/Russian.php

@@ -311,6 +311,7 @@ public function get_locale(): array
 			'SETTINGS_SUCCESS_MAP_DISPLAY_PUBLIC' => 'Map display settings for public albums updated',
 			'SETTINGS_SUCCESS_MAP_PROVIDER' => 'Map provider settings updated',
 			'SETTINGS_SUCCESS_CSS' => 'Stylesheets updated',
+			'SETTINGS_SUCCESS_JS' => 'JS updated',
 			'SETTINGS_SUCCESS_UPDATE' => 'Settings updated successfully',
 			'SETTINGS_DROPBOX_KEY' => 'Dropbox API Key',
 			'SETTINGS_ADVANCED_WARNING_EXPL' => 'Changing these advanced settings can be harmful to the stability, security and performance of this application. You should only modify them if you are sure of what you are doing.',
@@ -374,6 +375,8 @@ public function get_locale(): array
 
 			'CSS_TEXT' => 'Personalize CSS:',
 			'CSS_TITLE' => 'Change CSS',
+			'JS_TEXT' => 'Custom JS:',
+			'JS_TITLE' => 'Change JS',
 			'PUBLIC_SEARCH_TEXT' => 'Разрешить публичный поиск:',
 			'OVERLAY_TYPE' => 'Данные для наложения:',
 			'OVERLAY_NONE' => 'None',

app/Locale/Slovak.php

@@ -311,6 +311,7 @@ public function get_locale(): array
 			'SETTINGS_SUCCESS_MAP_DISPLAY_PUBLIC' => 'Map display settings for public albums updated',
 			'SETTINGS_SUCCESS_MAP_PROVIDER' => 'Map provider settings updated',
 			'SETTINGS_SUCCESS_CSS' => 'CSS aktualizované',
+			'SETTINGS_SUCCESS_JS' => 'JS updated',
 			'SETTINGS_SUCCESS_UPDATE' => 'Nastavenia úspešne aktualizované',
 			'SETTINGS_DROPBOX_KEY' => 'Dropbox API Key',
 			'SETTINGS_ADVANCED_WARNING_EXPL' => 'Zmena rozšírených nastavení môže mať negatívny vplyv na stabilitu, bezpečnosť a rýchlosť tejto aplikácie. Upravujte len to, o čom presne viete, čo robíte.',
@@ -374,6 +375,8 @@ public function get_locale(): array
 
 			'CSS_TEXT' => 'Vlastné CSS:',
 			'CSS_TITLE' => 'CSS zmeniť',
+			'JS_TEXT' => 'Custom JS:',
+			'JS_TITLE' => 'Change JS',
 			'PUBLIC_SEARCH_TEXT' => 'Verejné vyhľadávanie povolené:',
 			'OVERLAY_TYPE' => 'Dáta použité pre overlay:',
 			'OVERLAY_NONE' => 'None',

app/Locale/Spanish.php

@@ -311,6 +311,7 @@ public function get_locale(): array
 			'SETTINGS_SUCCESS_MAP_DISPLAY_PUBLIC' => 'Configuración de visualización de mapa para álbumes públicos actualizada',
 			'SETTINGS_SUCCESS_MAP_PROVIDER' => 'Configuración del proveedor de mapas actualizada',
 			'SETTINGS_SUCCESS_CSS' => 'Stylesheets updated',
+			'SETTINGS_SUCCESS_JS' => 'JS updated',
 			'SETTINGS_SUCCESS_UPDATE' => 'Settings updated successfully',
 			'SETTINGS_DROPBOX_KEY' => 'Clave API Dropbox',
 			'SETTINGS_ADVANCED_WARNING_EXPL' => 'Changing these advanced settings can be harmful to the stability, security and performance of this application. You should only modify them if you are sure of what you are doing.',
@@ -374,6 +375,8 @@ public function get_locale(): array
 
 			'CSS_TEXT' => 'Personalize CSS:',
 			'CSS_TITLE' => 'Change CSS',
+			'JS_TEXT' => 'Custom JS:',
+			'JS_TITLE' => 'Change JS',
 			'PUBLIC_SEARCH_TEXT' => 'Búsqueda pública permitida:',
 			'OVERLAY_TYPE' => 'Datos para usar en la superposición de imágenes:',
 			'OVERLAY_NONE' => 'Ninguna',

app/Locale/Swedish.php

@@ -311,6 +311,7 @@ public function get_locale(): array
 			'SETTINGS_SUCCESS_MAP_DISPLAY_PUBLIC' => 'Map display settings for public albums updated',
 			'SETTINGS_SUCCESS_MAP_PROVIDER' => 'Map provider settings updated',
 			'SETTINGS_SUCCESS_CSS' => 'Stylesheets updated',
+			'SETTINGS_SUCCESS_JS' => 'JS updated',
 			'SETTINGS_SUCCESS_UPDATE' => 'Settings updated successfully',
 			'SETTINGS_DROPBOX_KEY' => 'Dropbox API Key',
 			'SETTINGS_ADVANCED_WARNING_EXPL' => 'Changing these advanced settings can be harmful to the stability, security and performance of this application. You should only modify them if you are sure of what you are doing.',
@@ -374,6 +375,8 @@ public function get_locale(): array
 
 			'CSS_TEXT' => 'Personalize CSS:',
 			'CSS_TITLE' => 'Change CSS',
+			'JS_TEXT' => 'Custom JS:',
+			'JS_TITLE' => 'Change JS',
 			'PUBLIC_SEARCH_TEXT' => 'Offentlig sökning tillåts:',
 			'OVERLAY_TYPE' => 'Photo overlay:',
 			'OVERLAY_NONE' => 'None',

app/Locale/Vietnamese.php

@@ -311,6 +311,7 @@ public function get_locale(): array
 			'SETTINGS_SUCCESS_MAP_DISPLAY_PUBLIC' => 'Đã cập nhật cài đặt hiển thị bản đồ cho những album chia sẻ công cộng',
 			'SETTINGS_SUCCESS_MAP_PROVIDER' => 'Đã cập nhật cài đặt nhà cung cấp bản đồ',
 			'SETTINGS_SUCCESS_CSS' => 'Stylesheets updated',
+			'SETTINGS_SUCCESS_JS' => 'JS updated',
 			'SETTINGS_SUCCESS_UPDATE' => 'Settings updated successfully',
 			'SETTINGS_DROPBOX_KEY' => 'Mã API Dropbox',
 			'SETTINGS_ADVANCED_WARNING_EXPL' => 'Changing these advanced settings can be harmful to the stability, security and performance of this application. You should only modify them if you are sure of what you are doing.',
@@ -374,6 +375,8 @@ public function get_locale(): array
 
 			'CSS_TEXT' => 'Personalize CSS:',
 			'CSS_TITLE' => 'Change CSS',
+			'JS_TEXT' => 'Custom JS:',
+			'JS_TITLE' => 'Change JS',
 			'PUBLIC_SEARCH_TEXT' => 'Cho phép tìm kiếm công cộng:',
 			'OVERLAY_TYPE' => 'Thông tin hiển thị trên hình:',
 			'OVERLAY_NONE' => 'Không hiển thị gì cả',

public/dist/custom.js

@@ -0,0 +1,2 @@
+console.log('Hi, this message has been sent by custom.js.');
+console.log('You can edit me in the settings.');