Adding a popup authentication option.

src/api/user/index.ts

@@ -1,10 +1,11 @@
 import { Router } from "express";
-import Register from "./register";
-import Login from "./login";
-import TwoFactorRoute from "./twofactor";
-import { GetToken, DeleteToken } from "./token";
 import { GetAccount } from "./account";
 import { GetContactInfos } from "./contact";
+import { GetJWTByUser } from "./jwt";
+import Login from "./login";
+import Register from "./register";
+import { DeleteToken, GetToken } from "./token";
+import TwoFactorRoute from "./twofactor";
 
 const UserRoute: Router = Router();
 
@@ -125,4 +126,7 @@ UserRoute.get("/account", GetAccount);
  * @apiSuccess {Object[]} user.phone Phone numbers
  */
 UserRoute.get("/contact", GetContactInfos);
+
+UserRoute.get("/jwt", GetJWTByUser);
+
 export default UserRoute;

src/api/user/jwt.ts

@@ -0,0 +1,37 @@
+import { Request, Response } from "express";
+import Stacker from "../middlewares/stacker";
+import { GetUserMiddleware } from "../middlewares/user";
+import { URL } from "url";
+import Client from "../../models/client";
+import RequestError, { HttpStatusCode } from "../../helper/request_error";
+import { getAccessTokenJWT } from "../../helper/jwt";
+
+export const GetJWTByUser = Stacker(
+   GetUserMiddleware(true, false),
+   async (req: Request, res: Response) => {
+      const { client_id, origin } = req.query as { [key: string]: string };
+
+      const client = await Client.findOne({
+         client_id,
+      });
+
+      const clientNotFoundError = new RequestError(
+         "Client not found!",
+         HttpStatusCode.BAD_REQUEST
+      );
+
+      if (!client) throw clientNotFoundError;
+
+      const clientUrl = new URL(client.redirect_url);
+
+      if (clientUrl.hostname !== origin) throw clientNotFoundError;
+
+      const jwt = await getAccessTokenJWT({
+         user: req.user,
+         client: client,
+         permissions: [],
+      });
+
+      res.json({ jwt });
+   }
+);