fix: add anti-csrf token for /revoke-session

src/backend/src/routers/auth/revoke-session.js

@@ -36,6 +36,11 @@ module.exports = eggspress('/auth/revoke-session', {
         throw APIError.create('forbidden');
     }
 
+    const svc_antiCSRF = req.services.get('anti-csrf');
+    if ( ! svc_antiCSRF.consume_token(actor.type.user.uuid, req.body.anti_csrf) ) {
+        return res.status(400).json({ message: 'incorrect anti-CSRF token' });
+    }
+
     // Ensure valid UUID
     if ( ! req.body.uuid || typeof req.body.uuid !== 'string' ) {
         throw APIError.create('field_invalid', null, {

src/gui/src/UI/UIWindowManageSessions.js

@@ -106,6 +106,9 @@ const UIWindowManageSessions = async function UIWindowManageSessions (options) {
                 return;
             }
             
+
+            const anti_csrf = await services.get('anti-csrf').token();
+
             const resp = await fetch(`${window.api_origin}/auth/revoke-session`, {
                 method: 'POST',
                 headers: {
@@ -114,6 +117,7 @@ const UIWindowManageSessions = async function UIWindowManageSessions (options) {
                 },
                 body: JSON.stringify({
                     uuid: session.uuid,
+                    anti_csrf,
                 }),
             });
             if ( resp.ok ) {

src/gui/src/initgui.js

@@ -45,6 +45,7 @@ import UIComponentWindow from './UI/UIComponentWindow.js';
 import update_mouse_position from './helpers/update_mouse_position.js';
 import { LaunchOnInitService } from './services/LaunchOnInitService.js';
 import item_icon from './helpers/item_icon.js';
+import { AntiCSRFService } from './services/AntiCSRFService.js';
 
 const launch_services = async function (options) {
     // === Services Data Structures ===
@@ -79,6 +80,7 @@ const launch_services = async function (options) {
     register('process', new ProcessService());
     register('locale', new LocaleService());
     register('settings', new SettingsService());
+    register('anti-csrf', new AntiCSRFService());
     register('__launch-on-init', new LaunchOnInitService());
 
     // === Service-Script Services ===

src/gui/src/services/AntiCSRFService.js

@@ -0,0 +1,23 @@
+import { Service } from "../definitions.js";
+
+export class AntiCSRFService extends Service {
+    /**
+     * Request an anti-csrf token from the server
+     * @return anti_csrf: string
+     */
+    async token () {
+        const anti_csrf = await (async () => {
+            const resp = await fetch(
+                `${window.gui_origin}/get-anticsrf-token`,{
+                    headers: {
+                        'Content-Type': 'application/json',
+                        'Authorization': 'Bearer ' + window.auth_token,
+                    }
+                },)
+            const { token } = await resp.json();
+            return token;
+        })();
+        
+        return anti_csrf;
+    }
+}