Use a short-time cookie to remember where to callback to

package.json

@@ -31,16 +31,17 @@
   "license": "GPL-3.0",
   "dependencies": {
     "axios": "^0.27.2",
+    "cookie-parser": "^1.4.6",
     "express": "^4.17.1",
     "express-session": "^1.17.3",
     "graceful-fs": "^4.2.10",
     "htmlparser2": "^8.0.1",
     "node-tone": "^1.0.1",
+    "nodemailer": "^6.9.2",
     "passport": "^0.6.0",
     "passport-google-oauth20": "^2.0.0",
     "passport-jwt": "^4.0.1",
     "passport-openidconnect": "^0.1.1",
-    "nodemailer": "^6.9.2",
     "sequelize": "^6.32.1",
     "socket.io": "^4.5.4",
     "sqlite3": "^5.1.6",
@@ -49,4 +50,4 @@
   "devDependencies": {
     "nodemon": "^2.0.20"
   }
-}
+}