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pages/api/gis-proxy.js

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+// /pages/api/gis-proxy.js
+// Importieren der erforderlichen Module
+import httpProxy from "http-proxy";
+import Cookies from "cookies";
+
+// Erstellen eines Proxy-Servers
+const proxy = httpProxy.createProxyServer();
+
+export default (req, res) => {
+  return new Promise((resolve) => {
+    // CORS-Headers einstellen
+    res.setHeader("Access-Control-Allow-Credentials", true);
+    res.setHeader("Access-Control-Allow-Origin", "*");
+
+    // Cookies initialisieren
+    const cookies = new Cookies(req, res);
+    const targetUrl = `${process.env.NEXT_PUBLIC_SERVER_URL}/talas5/ClientData/WebserviceMap.asmx/GisSystemStatic`;
+
+    // Proxy-Konfiguration und Event-Listener
+    req.on("data", () => {});
+    req.on("end", () => {
+      proxy.web(req, res, { target: targetUrl, changeOrigin: true, selfHandleResponse: false }, (e) => {
+        if (e) {
+          console.error(e);
+          res.status(500).json({ error: "Proxy-Fehler", e });
+        }
+        resolve();
+      });
+    });
+
+    // Weiterleitung der Headers
+    req.headers.cookie = cookies.get("cookie-name") || "";
+  });
+};