meh session stuff

server/handler.ts

@@ -1,21 +1,49 @@
-import { getCookies } from "jsr:@std/http/cookie";
+import { STATUS_CODE, STATUS_TEXT, type StatusCode } from "jsr:@std/http";
 
-function getSessionId(request: Request): null | string {
-	getCookies(request.headers);
-	return null;
+const ALLOWED_ORIGIN = "http://0.0.0.0:8042";
+
+const sessions = new Map<string, WebSocket>();
+
+function createSession(socket: WebSocket): string {
+	const session = crypto.randomUUID();
+	sessions.set(session, socket);
+
+	return session;
+}
+
+function createResponse(
+	status: StatusCode,
+	body: BodyInit | null = null,
+): Response {
+	return new Response(body, { status, statusText: STATUS_TEXT[status] });
 }
 
 export default function (request: Request): Response {
-	if (request.headers.get("upgrade") !== "websocket") {
-		return new Response("Upgrade required.", { status: 426 });
+	if (request.headers.get("upgrade")?.toLowerCase() !== "websocket") {
+		return createResponse(STATUS_CODE.UpgradeRequired);
 	}
 
-	const sessonId = getSessionId(request);
-	if (!sessonId) {
-		return new Response("Session requierd.", { status: 401 });
+	const url = new URL(request.url);
+	if (url.origin !== ALLOWED_ORIGIN) {
+		return createResponse(STATUS_CODE.BadRequest);
 	}
 
-	const { socket, response } = Deno.upgradeWebSocket(request);
+	const sessionId = url.searchParams.get("sessionId");
 
-	return response;
+	if (sessionId === null) {
+		const upgrade = Deno.upgradeWebSocket(request);
+		createSession(upgrade.socket);
+
+		return upgrade.response;
+	} else {
+		const session = sessions.get(sessionId);
+		if (session === null) {
+			return createResponse(STATUS_CODE.Unauthorized);
+		}
+
+		// TODO
+		// I need a new socket every time
+	}
+
+	return createResponse(STATUS_CODE.InternalServerError);
 }