* Unified profiles, rather than instantiating profiles every time we want to access one

* Socket and live instance changes
* Possible problem with Deno's handling of sockets, compatibility issue with Node?

deno.json

@@ -25,7 +25,8 @@
     "files": [],
     "compilerOptions": {
         "types": [
-            "./src/types/express.ts"
+            "./src/types/express.ts",
+            "./src/types/http.ts"
         ]
     }
 }

src/apiutils.ts

@@ -4,8 +4,9 @@ import Logging from "@proxnet/undead-logging";
 import { decode } from "@gz/jwt";
 import { Config } from "./config.ts";
 import { AuthType, User, UserTokenFormat } from "./data/users.ts";
-import Profile, { ProfileTokenFormat } from "./data/profiles.ts";
+import UnifiedProfile, { ProfileTokenFormat } from "./data/profiles.ts";
 import z from "zod";
+import { IncomingMessage } from "node:http";
 
 const config = Config.getConfig();
 
@@ -129,8 +130,16 @@ export function getSrcIpDefault(rq: express.Request): string {
     const xrIp = rq.header("x-real-ip");
     if (xrIp !== undefined) return xrIp;
 
-    const ip = typeof rq.ip === "undefined" ? "(unknown source)" : rq.ip;
+    return typeof rq.ip === "undefined" ? "(unknown source)" : rq.ip;
-    return ip;
+}
+export function getSrcIpDefaultRaw(rq: IncomingMessage) {
+    const cfIp = rq.headers['cf-connecting-ip'];
+    if (cfIp) return cfIp;
+
+    const xrIp = rq.headers['x-real-ip'];
+    if (xrIp) return xrIp;
+
+    return rq.socket.remoteAddress ? rq.socket.remoteAddress : "(unknown source)";
 }
 
 export function statusResponse(code: number) {
@@ -272,7 +281,7 @@ export async function Authentication(
         ].includes(false);
         if (valid) {
             if (decodedToken.typ == AuthType.Web) rs.locals.user = new User(decodedToken.sub);
-            else if (decodedToken.typ == AuthType.Game) rs.locals.profile = new Profile(decodedToken.sub);
+            else if (decodedToken.typ == AuthType.Game) rs.locals.profile = UnifiedProfile.get(decodedToken.sub);
 
             nxt();
         } else {

src/data/live/base.ts

@@ -1,4 +1,4 @@
-import Profile from "../profiles.ts";
+import { Profile } from "../profiles.ts";
 
 const loginLocks: Map<number, string> = new Map();
 

src/data/live/instances.ts

@@ -1,5 +1,5 @@
 import Logging from "@proxnet/undead-logging";
-import Profile from "../profiles.ts";
+import { Profile } from "../profiles.ts";
 import { RoomInstance, InstanceOptions } from "./types.ts";
 import { Config } from "../../config.ts";
 

src/data/live/presence.ts

@@ -1,6 +1,6 @@
 import { z } from "zod";
 import { SettingKey } from "../content/settings.ts";
-import Profile from "../profiles.ts";
+import { Profile } from "../profiles.ts";
 import { DeviceClass, PlayerStatusVisibility, RoomInstance, VRMovementMode } from "./types.ts";
 import Logging from "@proxnet/undead-logging";
 
@@ -151,7 +151,7 @@ const Presence = new PresenceBase();
 const id = setInterval(() => {
     Presence.deleteDeadPresences();
 }, 480000); // delete dead presences every 8 minutes
-Deno.addSignalListener("SIGINT", async () => {
+Deno.addSignalListener("SIGINT", () => {
     clearInterval(id);
     const presArray = Presence.getAllRawPresences();
     for (const pres of presArray.values()) clearInterval(pres.intervalId);

src/data/live/types.ts

@@ -1,5 +1,5 @@
 import { IntegratedRoomScene, RoomDetails } from "../content/roomtypes.ts";
-import Profile from "../profiles.ts";
+import { Profile } from "../profiles.ts";
 
 export enum PhotonRegionCodeString {
     Europe = "eu",

src/data/profiles.ts

@@ -242,4 +242,23 @@ class Profile {
     }
 }
 
-export default Profile;
+const profiles: Map<number, Profile> = new Map()
+
+class UnifiedProfileBase {
+
+    get(id: number) {
+        let profile = profiles.get(id);
+        if (!profile) {
+            const inst = new Profile(id);
+            profiles.set(id, inst);
+            profile = inst;
+        }
+        return profile;
+    }
+
+}
+
+const UnifiedProfile = new UnifiedProfileBase();
+
+export { Profile };
+export default UnifiedProfile;

src/data/users.ts

@@ -1,7 +1,7 @@
 import { Redis } from "../db.ts";
 import * as JsonWebToken from "@gz/jwt";
 import { Config } from "../config.ts";
-import Profile from "./profiles.ts";
+import { Profile } from "./profiles.ts";
 import { TokenBaseFormat } from "../apiutils.ts";
 
 type UserInitOptions = {

src/main.ts

@@ -9,10 +9,8 @@ import express from "express";
 import WebSocket, { WebSocketServer } from "ws";
 import { IncomingMessage } from "../../AppData/Local/deno/npm/registry.npmjs.org/@types/connect/3.4.38/index.d.ts";
 import { decode } from "@gz/jwt";
-import Profile, { ProfileTokenFormat } from "./data/profiles.ts";
+import UnifiedProfile, { ProfileTokenFormat } from "./data/profiles.ts";
 import { SocketHandoff } from "./socket/handoff.ts";
-import internal from "node:stream";
-import { Buffer } from "node:buffer";
 import { SignalRSocketHandler } from "./socket/socket.ts";
 
 const instanceId = generateRandomString(64);
@@ -100,6 +98,47 @@ app.use((rq: express.Request, rs: express.Response) => {
 
 try {
 
+    /**
+     * Galvanic WebSocket Server
+     */
+
+    type AuthResult = {
+        token?: ProfileTokenFormat,
+        valid: boolean
+    }
+    const authenticate = async (req: IncomingMessage) => {
+        const authHeader = req.headers.authorization;
+        if (!authHeader) return { valid: false } as AuthResult;
+
+        const token = authHeader.split(" ")[1];
+        if (!token) return { valid: false } as AuthResult;
+
+        const decodedToken = await decode<ProfileTokenFormat>(token, config.auth.secret, {algorithm: 'HS512'});
+        const schemaResult = ProfileTokenSchema.safeParse(decodedToken);
+        if (!schemaResult.success) return { valid: false } as AuthResult;
+        else return { token: decodedToken, valid: true } as AuthResult;
+    }
+
+    const wss = new WebSocketServer({ noServer: true, path: "/notify/hub/v1" });
+    wss.on('connection', (socket: WebSocket, req: IncomingMessage) => {
+        if (!req.token) {
+            socket.close();
+            return;
+        }
+
+        // ID is given as "/notify/hub/v1?&id=pprhdSzJn" by the client.
+        let handoff: SocketHandoff | undefined;
+        if (req.url) {
+            const pathParts = req.url.replace('v1', '').split('/');
+            const query = new URLSearchParams(pathParts[pathParts.length - 1]);
+            const connectionId = query.get('id');
+            if (connectionId) handoff = SocketHandoff.find(connectionId);
+        }
+
+        if (handoff) handoff.complete();
+        new SignalRSocketHandler(socket, UnifiedProfile.get(req.token.sub));
+    });
+
     const http = app.listen(config.web.port, config.web.host, () => {
         log.n(`Listening on http://${config.web.host}:${config.web.port}`);
 
@@ -110,60 +149,39 @@ try {
             log.i(`Shutting down`);
 
             http.close();
+            http.closeAllConnections();
+        });
+        Deno.addSignalListener("SIGINT", () => {
+            for (const handoff of SocketHandoff.all()) handoff.complete();
         });
     });
 
-    const wss = new WebSocketServer({
+    // Currently not working in Deno. Socket problem?
-        server: http,
+    /*http.on('upgrade', async (req, socket, head) => {
-        path: "/notify/hub/v1"
+        log.d('Handling upgrade');
-    });
+        try {
-    wss.on('connection', (ws: WebSocket, rq: IncomingMessage, profile: Profile, connectionId: string) => {
+            const authResult = await authenticate(req);
-        const handoff = SocketHandoff.find(connectionId);
-        if (handoff) handoff.complete();
-        log.d(typeof profile);
-        new SignalRSocketHandler(ws, profile);
-    });
-    http.on('upgrade', async (rq: IncomingMessage, socket: internal.Duplex, head: Buffer) => {
-        const errorHandler = (err: Error | undefined) => { log.e(`Socket error: ${err?.stack}`); };
-        socket.on('error', errorHandler);
 
-        function writeUnauthorized() {
+            if (authResult.valid) {
-            socket.write('HTTP/1.1 401 Unauthorized\r\n\r\n');
+                req.token = authResult.token;
+
+                log.d('Auth result was valid.');
+                wss.handleUpgrade(req, socket, head, (ws) => {
+                    wss.emit('connection', ws, req);
+                });
+            } else {
+                // Reject the upgrade
+                log.e(`Socket authentication error (401) from ${APIUtils.getSrcIpDefaultRaw(req)}`);
+                socket.write('HTTP/1.1 401 Unauthorized\r\n\r\n');
+                socket.destroy();
+            }
+        } catch (err) {
+            // Handle authentication error
+            log.e(`Socket authentication error (500): ${err}\n from ${APIUtils.getSrcIpDefaultRaw(req)}`);
+            socket.write('HTTP/1.1 500 Internal Server Error\r\n\r\n');
             socket.destroy();
         }
-        
+    });*/
-        let wrong = false;
-        const unparsedToken = rq.headers['Authorization'];
-        const connectionId = new URL(`http://${rq.headers.host ? rq.headers.host : 'localhost'}${rq.url}`).searchParams.get('connectionId');
-        if (connectionId == null) wrong = true;
-        else {
-            if (typeof unparsedToken == 'string') {
-                const splitToken = unparsedToken.split(' ')[1]
-                if (splitToken) {
-                    try {
-    
-                        const decodedToken = await decode<ProfileTokenFormat>(splitToken, config.auth.secret, {algorithm: 'HS512'});
-                        const schemaResult = ProfileTokenSchema.safeParse(decodedToken);
-                        if (!schemaResult.success) wrong = true;
-                        else {
-                            wss.handleUpgrade(rq, socket, head, (ws) => {
-                                wss.emit('connection', ws, rq, new Profile(decodedToken.sub), connectionId);
-                            });
-                        }
-    
-                    } catch {
-                        wrong = true;
-                    }
-                } else wrong = true;
-            } else wrong = true;
-        }
-
-        if (wrong) {
-            writeUnauthorized();
-            return;
-        }
-        socket.removeListener('error', errorHandler);
-    });
 
 } catch (err) {
     log.e(`Cannot start: Network could not be initalized. ${err}`);

src/routes/account/account.ts

@@ -1,6 +1,6 @@
 import { APIUtils } from "../../apiutils.ts";
 import express from "express";
-import Profile from "../../data/profiles.ts";
+import { Profile } from "../../data/profiles.ts";
 import { z } from "zod";
 
 export const route = APIUtils.createRouter("/account");

src/routes/auth/connect.ts

@@ -1,6 +1,6 @@
 import { APIUtils, NoBody } from "../../apiutils.ts";
 import express from "express";
-import Profile from "../../data/profiles.ts";
+import UnifiedProfile, { Profile } from "../../data/profiles.ts";
 import { decode } from "@gz/jwt";
 import { Config } from "../../config.ts";
 import Logging from "@proxnet/undead-logging";
@@ -143,7 +143,7 @@ route.router.post("/token",
         rs.locals.user.addAssociatedDeviceId(rq.body.device_id);
         rs.locals.user.addAssociatedPlatformId(rq.body.platform_id);
 
-        const profile = new Profile(targetAccount);
+        const profile = UnifiedProfile.get(targetAccount);
         if (!(await Profile.exists(profile.getId()))) {
             requestFailed();
             return;

src/socket/handoff.ts

@@ -11,10 +11,14 @@ function randomId(length: number) {
     return result;
 }
 
-// Lots of this is redundant. The WebSocket request already contains an access token for the profile, but I'd
+/**
-//   like to make sure that connectionIds are freed automatically.
+ * Reserve `connectionId`s for each connected client, hand off to socket handler when complete or timed out
+ */
 export class SocketHandoff {
 
+    static all() {
+        return Array.from(handoffs.values());
+    }
     static generateId() {
         let id = randomId(48);
         while (handoffs.values().find(handoff => handoff.id == id)) id = randomId(48);
@@ -32,19 +36,15 @@ export class SocketHandoff {
         this.id = SocketHandoff.generateId();
 
         this.#timeout = setTimeout(() => {
-            handoffs.delete(this);
+            this.complete();
         });
 
         handoffs.add(this);
     }
 
-    delete() {
+    complete() {
         clearTimeout(this.#timeout);
         handoffs.delete(this);
     }
 
-    complete() {
-        this.delete();
-    }
-
 }

src/socket/socket.ts

@@ -1,6 +1,5 @@
 import WebSocket from "ws";
-import Profile from "../data/profiles.ts";
+import { Profile } from "../data/profiles.ts";
-import { IncomingMessage } from "node:http";
 import Logging from "@proxnet/undead-logging";
 
 export class SignalRSocketHandler {
@@ -13,13 +12,11 @@ export class SignalRSocketHandler {
     constructor(socket: WebSocket, player: Profile) {
 
         this.#socket = socket;
+        this.#initLogSource();
+        
         this.#profile = player;
 
-        throw new Error("This will fail due to undefined access attempt. Debug this. Also, please unify profiles.");
         player.setSocketHandler(this);
-        this.log.source += player.getId().toString();
-
-        // log: we connected!!
 
         Deno.addSignalListener('SIGINT', this.destroy);
 
@@ -30,4 +27,17 @@ export class SignalRSocketHandler {
         Deno.removeSignalListener('SIGINT', this.destroy);
     }
 
+    async #initLogSource() {
+        this.log.source += this.#profile.getId().toString();
+
+        this.log.i(`Player '${(await this.#profile.export())?.username}' (${this.#profile.getId()}) created hub socket`);
+
+        this.#socket.on('open', () => {
+            this.log.d(`hello world`)
+        });
+        this.#socket.on('message', data => {
+            this.log.d(data.toString());
+        });
+    }
+
 }

src/types/express.ts

@@ -1,4 +1,4 @@
-import Profile from "../data/profiles.ts";
+import { Profile } from "../data/profiles.ts";
 import { User } from "../data/users.ts";
 
 declare global {

src/types/http.ts

@@ -0,0 +1,8 @@
+import { ProfileTokenFormat } from "../data/profiles.ts";
+
+// Extend IncomingMessage interface to include custom properties
+declare module 'node:http' {
+    interface IncomingMessage {
+        token?: ProfileTokenFormat;
+    }
+}