From b1e949dce27b991ea360e0de3fa73a90abd910e6 Mon Sep 17 00:00:00 2001
From: Julian Krauser <jkrauser209@gmail.com>
Date: Sat, 11 Jan 2025 14:45:37 +0100
Subject: [PATCH] enhance: detect requests of pwa

---
 src/index.ts                |  1 +
 src/middleware/detectPWA.ts | 11 +++++++++++
 src/routes/index.ts         |  2 ++
 3 files changed, 14 insertions(+)
 create mode 100644 src/middleware/detectPWA.ts

diff --git a/src/index.ts b/src/index.ts
index a1d7178..f5a73e6 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -12,6 +12,7 @@ declare global {
       username: string;
       isOwner: boolean;
       permissions: PermissionObject;
+      isPWA: boolean;
     }
   }
 }
diff --git a/src/middleware/detectPWA.ts b/src/middleware/detectPWA.ts
new file mode 100644
index 0000000..d30df95
--- /dev/null
+++ b/src/middleware/detectPWA.ts
@@ -0,0 +1,11 @@
+import { Request, Response } from "express";
+
+export default async function detectPWA(req: Request, res: Response, next: Function) {
+  const userAgent = req.headers["user-agent"] || "";
+  if ((userAgent.includes("Mobile") && userAgent.includes("Standalone")) || req.headers["x-pwa-client"] === "true") {
+    req.isPWA = true;
+  } else {
+    req.isPWA = false;
+  }
+  next();
+}
diff --git a/src/routes/index.ts b/src/routes/index.ts
index 72cb526..b939d52 100644
--- a/src/routes/index.ts
+++ b/src/routes/index.ts
@@ -13,6 +13,7 @@ import reset from "./reset";
 import auth from "./auth";
 import admin from "./admin/index";
 import user from "./user";
+import detectPWA from "../middleware/detectPWA";
 
 export default (app: Express) => {
   app.set("query parser", "extended");
@@ -25,6 +26,7 @@ export default (app: Express) => {
   app.use(cors());
   app.options("*", cors());
 
+  app.use(detectPWA);
   app.use("/api/public", publicAvailable);
   app.use("/api/setup", allowSetup, setup);
   app.use("/api/reset", reset);