Add internal api get for proxy information

server/routers/internal.ts

@@ -42,6 +42,8 @@ internalRouter.get("/idp", idp.listIdps);
 
 internalRouter.get("/idp/:idpId", idp.getIdp);
 
+internalRouter.get("/resource/browser-target", resource.getBrowserTarget);
+
 // Gerbil routes
 const gerbilRouter = Router();
 internalRouter.use("/gerbil", gerbilRouter);

server/routers/resource/getBrowserTarget.ts

@@ -0,0 +1,76 @@
+import { Request, Response, NextFunction } from "express";
+import { z } from "zod";
+import { db } from "@server/db";
+import { resources, targets } from "@server/db";
+import { eq } from "drizzle-orm";
+import response from "@server/lib/response";
+import HttpCode from "@server/types/HttpCode";
+import createHttpError from "http-errors";
+import { fromError } from "zod-validation-error";
+import logger from "@server/logger";
+
+const getBrowserTargetSchema = z
+    .object({
+        fullDomain: z.string().min(1, "fullDomain is required")
+    })
+    .strict();
+
+export type GetBrowserTargetResponse = {
+    ip: string;
+    port: number;
+};
+
+export async function getBrowserTarget(
+    req: Request,
+    res: Response,
+    next: NextFunction
+): Promise<any> {
+    try {
+        const parsed = getBrowserTargetSchema.safeParse(req.query);
+        if (!parsed.success) {
+            return next(
+                createHttpError(
+                    HttpCode.BAD_REQUEST,
+                    fromError(parsed.error).toString()
+                )
+            );
+        }
+
+        const { fullDomain } = parsed.data;
+
+        const [row] = await db
+            .select({
+                ip: targets.ip,
+                port: targets.port
+            })
+            .from(targets)
+            .innerJoin(resources, eq(targets.resourceId, resources.resourceId))
+            .where(eq(resources.fullDomain, fullDomain))
+            .limit(1);
+
+        if (!row) {
+            return next(
+                createHttpError(
+                    HttpCode.NOT_FOUND,
+                    "No resource found for this domain"
+                )
+            );
+        }
+
+        return response<GetBrowserTargetResponse>(res, {
+            data: { ip: row.ip, port: row.port },
+            success: true,
+            error: false,
+            message: "Browser target retrieved successfully",
+            status: HttpCode.OK
+        });
+    } catch (error) {
+        logger.error(error);
+        return next(
+            createHttpError(
+                HttpCode.INTERNAL_SERVER_ERROR,
+                "An error occurred while retrieving the browser target"
+            )
+        );
+    }
+}

server/routers/resource/index.ts

@@ -33,3 +33,4 @@ export * from "./removeUserFromResource";
 export * from "./listAllResourceNames";
 export * from "./removeEmailFromResourceWhitelist";
 export * from "./getStatusHistory";
+export * from "./getBrowserTarget";