Simple auth api (no db)

src/app/api/auth/route.ts

@@ -0,0 +1,64 @@
+import { NextRequest, NextResponse } from "next/server";
+import {
+	StatusCodes,
+} from 'http-status-codes';
+import { narrow } from "@/types/typeUtils";
+import { CLIENT_AUTH_TOKENS, SERVER_AUTH_TOKENS } from "./auth";
+
+type Intents = 'server' | 'client';
+
+const narrowIntents = (intents?: string | null) => narrow(intents, 'client', 'server') as Intents;
+
+export async function GET(req: NextRequest) {
+  const url = new URL(req.url);
+  const token = url.searchParams.get('token');
+  const intents = narrowIntents(url.searchParams.get('intents')); 
+
+  if (!token)
+    return NextResponse.json({ message: "token parameter required" });
+
+  switch (intents) {
+    case "server":
+      {
+        const auth = SERVER_AUTH_TOKENS[token];
+        
+        if (!auth)
+          return NextResponse.json({ message: "Invalid token" });
+        
+        delete SERVER_AUTH_TOKENS[token];
+
+        return NextResponse.json({ message: "ok", ...auth });
+      }
+    case "client":
+      {
+        const auth = CLIENT_AUTH_TOKENS[token];
+        if (!auth)
+          return NextResponse.json({ message: "Invalid token" }, { status: StatusCodes.NOT_FOUND });
+        return NextResponse.json({ message: "ok", auth });
+      }
+  }
+}
+
+export async function POST(req: NextRequest) {
+  let { intents, server_ip } = await req.json();
+
+  intents = String(intents).split('/');
+
+  const token = crypto.randomUUID();
+
+  const user_id = 12;
+
+  switch (narrowIntents(intents[0])) {
+    case 'server':
+      SERVER_AUTH_TOKENS[token] = {
+        user_id, // placeholder
+        server_ip: String(server_ip),
+      };
+      return NextResponse.json({ message: "ok", token });
+    case 'client':
+      CLIENT_AUTH_TOKENS[token] = user_id;
+      return NextResponse.json({ message: "ok", token });
+    default:
+      return NextResponse.json({ message: 'Invalid intentions' }, { status: StatusCodes.BAD_REQUEST });
+  }
+}