feat: API-Proxy für SOAP-Webservice implementiert
- API-Route hinzugefügt: /api/gisStationsStaticDistrict - Dynamisches Lesen von URL-Parametern (idMap, idUser) aus Anfrage - SOAP-Anfrage an ASP.NET-Webservice weitergeleitet - XML-Antwort verarbeitet und zurückgegeben - CORS-Header und OPTIONS-Preflight für Sicherheit konfiguriert - Fehlerbehandlung und Debug-Logs integriert
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@@ -1,34 +1,57 @@
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// /pages/api/gis-proxy.js
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// Importieren der erforderlichen Module
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import httpProxy from "http-proxy";
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import Cookies from "cookies";
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export default async function handler(req, res) {
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// CORS-Header setzen
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res.setHeader("Access-Control-Allow-Credentials", true);
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res.setHeader("Access-Control-Allow-Origin", "*");
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res.setHeader("Access-Control-Allow-Methods", "POST,OPTIONS");
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res.setHeader("Access-Control-Allow-Headers", "Content-Type, Authorization, SOAPAction");
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// Erstellen eines Proxy-Servers
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const proxy = httpProxy.createProxyServer();
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// OPTIONS-Preflight-Anfrage sofort beenden
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if (req.method === "OPTIONS") {
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res.status(200).end();
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return;
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}
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export default (req, res) => {
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return new Promise((resolve) => {
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// CORS-Headers einstellen
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res.setHeader("Access-Control-Allow-Credentials", true);
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res.setHeader("Access-Control-Allow-Origin", "*");
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// Ziel-URL direkt auf die Methode
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const targetUrl = "http://10.10.0.70/talas5/ClientData/WebServiceMap.asmx";
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// Cookies initialisieren
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const cookies = new Cookies(req, res);
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const targetUrl = `${process.env.NEXT_PUBLIC_SERVER_URL}/talas5/ClientData/WebserviceMap.asmx/GisSystemStatic`;
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// SOAP-Envelope für die Methode "GisStationsStaticDistrict"
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const soapEnvelope = `
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<?xml version="1.0" encoding="utf-8"?>
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<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns:xsd="http://www.w3.org/2001/XMLSchema"
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xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
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<soap:Body>
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<GisStationsStaticDistrict xmlns="http://tempuri.org/">
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<idMap>12</idMap>
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<idUser>484</idUser>
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</GisStationsStaticDistrict>
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</soap:Body>
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</soap:Envelope>
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`;
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// Proxy-Konfiguration und Event-Listener
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req.on("data", () => {});
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req.on("end", () => {
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proxy.web(req, res, { target: targetUrl, changeOrigin: true, selfHandleResponse: false }, (e) => {
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if (e) {
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console.error(e);
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res.status(500).json({ error: "Proxy-Fehler", e });
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}
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resolve();
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});
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try {
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// Anfrage an SOAP-Server senden
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const response = await fetch(targetUrl, {
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method: "POST",
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headers: {
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"Content-Type": "text/xml; charset=utf-8",
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SOAPAction: '"http://tempuri.org/GisStationsStaticDistrict"', // SOAPAction mit Anführungszeichen
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},
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body: soapEnvelope,
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});
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// Weiterleitung der Headers
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req.headers.cookie = cookies.get("cookie-name") || "";
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});
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};
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// Debugging: Status und Text ausgeben
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const text = await response.text();
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console.log("SOAP-Antwort:", text);
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if (!response.ok) {
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throw new Error(`Server antwortet mit Status ${response.status}`);
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}
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// Erfolgreiche Antwort senden
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res.status(200).send(text);
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} catch (error) {
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console.error("Fehler beim SOAP-Aufruf:", error);
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res.status(500).json({ error: "Fehler beim SOAP-Aufruf", details: error.message });
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}
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}
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49
pages/api/gisStationsStaticDistrict.js
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49
pages/api/gisStationsStaticDistrict.js
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@@ -0,0 +1,49 @@
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// funktioniert als Proxy , API-Proxy oder Server-side Proxy
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export default async function handler(req, res) {
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// CORS-Header setzen
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res.setHeader("Access-Control-Allow-Credentials", true);
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res.setHeader("Access-Control-Allow-Origin", "*");
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res.setHeader("Access-Control-Allow-Methods", "GET,POST,OPTIONS");
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res.setHeader("Access-Control-Allow-Headers", "Content-Type, Authorization");
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// OPTIONS-Preflight-Anfrage sofort beantworten
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if (req.method === "OPTIONS") {
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res.status(200).end();
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return;
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}
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try {
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// Parameter aus URL oder Fallback-Werte verwenden
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const idMap = req.query.m; // 'm' = idMap
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const idUser = req.query.u; // 'u' = idUser
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console.log("idMap:", idMap);
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console.log("idUser:", idUser);
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// API-URL für den Webservice
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const url = `http://10.10.0.70/talas5/ClientData/WebServiceMap.asmx/GisStationsStaticDistrict?idMap=${idMap}&idUser=${idUser}`;
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// Daten vom Webservice abrufen
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const response = await fetch(url, {
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method: "GET", // GET-Request
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headers: {
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"Content-Type": "application/xml", // XML als Antwort erwartet
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},
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});
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// Antwort überprüfen
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if (!response.ok) {
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throw new Error(`Server antwortet mit Status ${response.status}`);
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}
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// XML-Antwort als Text auslesen
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const xmlText = await response.text();
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//console.log("XML-Antwort:", xmlText); // Debugging
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// XML direkt an den Client zurückgeben
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res.status(200).send(xmlText);
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} catch (error) {
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console.error("Fehler beim Abrufen der Daten:", error);
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res.status(500).json({ error: "Fehler beim Abrufen der Daten" });
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}
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}
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