Add middleware for server side lemmy client

src/server/index.tsx

@@ -11,7 +11,7 @@ import SecurityHandler from "./handlers/security-handler";
 import ServiceWorkerHandler from "./handlers/service-worker-handler";
 import ThemeHandler from "./handlers/theme-handler";
 import ThemesListHandler from "./handlers/themes-list-handler";
-import { setCacheControl, setDefaultCsp } from "./middleware";
+import { setCacheControl, setDefaultCsp, setRequestClient } from "./middleware";
 import CodeThemeHandler from "./handlers/code-theme-handler";
 import { verifyDynamicImports } from "../shared/dynamic-imports";
 import cookieParser from "cookie-parser";
@@ -47,6 +47,7 @@ if (
   server.use(getStaticDir(), express.static(serverPath));
 }
 
+server.use(setRequestClient);
 server.get("/.well-known/security.txt", SecurityHandler);
 server.get("/robots.txt", RobotsHandler);
 server.get("/service-worker.js", ServiceWorkerHandler);

src/server/middleware.ts

@@ -1,6 +1,10 @@
 import * as crypto from "crypto";
 import type { NextFunction, Request, Response } from "express";
 import { getJwtCookie } from "./utils/has-jwt-cookie";
+import { setForwardedHeaders } from "./utils/set-forwarded-headers";
+import { wrapClient } from "../shared/services/HttpService";
+import { LemmyHttp } from "lemmy-js-client";
+import { getHttpBaseInternal } from "@utils/env";
 
 export function setDefaultCsp({
   res,
@@ -63,3 +67,20 @@ export function setCacheControl(
 
   next();
 }
+
+export function setRequestClient({
+  req,
+  next,
+}: {
+  req: Request;
+  next: NextFunction;
+}) {
+  const client = wrapClient(
+    new LemmyHttp(getHttpBaseInternal(), {
+      headers: setForwardedHeaders(req.headers),
+    }),
+  );
+  req.client = client;
+
+  next();
+}

src/shared/express-extensions.d.ts

@@ -0,0 +1,9 @@
+import { wrapClient } from "./services/HttpService";
+
+declare global {
+  namespace Express {
+    export interface Request {
+      client: ReturnType<typeof wrapClient>;
+    }
+  }
+}

tsconfig.json

@@ -26,6 +26,7 @@
   },
   "include": [
     "src/shared/build-config.d.ts",
+    "src/shared/express-extensions.d.ts",
     "src/**/*.ts",
     "src/**/*.tsx",
     "node_modules/inferno/dist/index.d.ts"