Move remote proxy

server/lib/remoteProxy.ts

@@ -0,0 +1,81 @@
+import { Request, Response, NextFunction } from "express";
+import { Router } from "express";
+import axios from "axios";
+import HttpCode from "@server/types/HttpCode";
+import createHttpError from "http-errors";
+import logger from "@server/logger";
+import config from "@server/lib/config";
+
+/**
+ * Proxy function that forwards requests to the remote cloud server
+ */
+
+export const proxyToRemote = async (
+    req: Request,
+    res: Response,
+    next: NextFunction,
+    endpoint: string
+): Promise<any> => {
+    try {
+        const remoteConfig = config.getRawConfig().hybrid;
+        
+        if (!remoteConfig?.endpoint) {
+            logger.error("Remote endpoint not configured in hybrid.endpoint config");
+            return next(
+                createHttpError(
+                    HttpCode.INTERNAL_SERVER_ERROR,
+                    "Remote endpoint not configured"
+                )
+            );
+        }
+
+        const remoteUrl = `${remoteConfig.endpoint.replace(/\/$/, '')}/api/v1/${endpoint}`;
+        
+        logger.debug(`Proxying request to remote server: ${remoteUrl}`);
+
+        // Forward the request to the remote server
+        const response = await axios({
+            method: req.method as any,
+            url: remoteUrl,
+            data: req.body,
+            headers: {
+                'Content-Type': 'application/json',
+            },
+            params: req.query,
+            timeout: 30000, // 30 second timeout
+            validateStatus: () => true // Don't throw on non-2xx status codes
+        });
+
+        // Forward the response status and data
+        return res.status(response.status).json(response.data);
+        
+    } catch (error) {
+        logger.error("Error proxying request to remote server:", error);
+        
+        if (axios.isAxiosError(error)) {
+            if (error.code === 'ECONNREFUSED' || error.code === 'ENOTFOUND') {
+                return next(
+                    createHttpError(
+                        HttpCode.SERVICE_UNAVAILABLE,
+                        "Remote server is unavailable"
+                    )
+                );
+            }
+            if (error.code === 'ECONNABORTED') {
+                return next(
+                    createHttpError(
+                        HttpCode.REQUEST_TIMEOUT,
+                        "Request to remote server timed out"
+                    )
+                );
+            }
+        }
+        
+        return next(
+            createHttpError(
+                HttpCode.INTERNAL_SERVER_ERROR,
+                "Error communicating with remote server"
+            )
+        );
+    }
+}