From 9ff5fa08647a62598cfe74c22e137cf76ed007f1 Mon Sep 17 00:00:00 2001
From: Travis Gilbert <1travisgilbert@gmail.com>
Date: Tue, 4 Aug 2026 18:40:12 -0400
Subject: [PATCH] fix(console): rewrite OpenWork /chat HTML asset URLs
Root-absolute Vite assets 404 on the console origin after the /chat
proxy strips the prefix, which left a blank page after login.
---
.../src/lib/chat-openwork-proxy.test.ts | 35 +++++++++++++++
apps/console/src/lib/chat-openwork-proxy.ts | 43 +++++++++++++++++++
apps/console/src/middleware.ts | 21 ++++++---
3 files changed, 92 insertions(+), 7 deletions(-)
create mode 100644 apps/console/src/lib/chat-openwork-proxy.test.ts
create mode 100644 apps/console/src/lib/chat-openwork-proxy.ts
diff --git a/apps/console/src/lib/chat-openwork-proxy.test.ts b/apps/console/src/lib/chat-openwork-proxy.test.ts
new file mode 100644
index 00000000..08825b58
--- /dev/null
+++ b/apps/console/src/lib/chat-openwork-proxy.test.ts
@@ -0,0 +1,35 @@
+import { describe, expect, it } from 'vitest';
+import {
+ rewriteOpenworkChatHtml,
+ rewriteOpenworkLocation,
+} from './chat-openwork-proxy';
+
+describe('rewriteOpenworkChatHtml', () => {
+ it('prefixes root-absolute assets and stamps the register impl', () => {
+ const html = `
+
+
+
+`;
+ const out = rewriteOpenworkChatHtml(html);
+ expect(out).toContain('data-register-impl="openwork.chat"');
+ expect(out).toContain('href="/chat/openwork-mark.svg"');
+ expect(out).toContain('src="/chat/assets/app-abc.js"');
+ expect(out).toContain('href="/chat/assets/index-abc.css"');
+ expect(out).not.toContain('src="/assets/');
+ });
+
+ it('does not double-prefix paths already under /chat', () => {
+ const html = ``;
+ expect(rewriteOpenworkChatHtml(html)).toContain('src="/chat/assets/x.js"');
+ expect(rewriteOpenworkChatHtml(html)).not.toContain('src="/chat/chat/');
+ });
+});
+
+describe('rewriteOpenworkLocation', () => {
+ it('prefixes absolute redirects', () => {
+ expect(rewriteOpenworkLocation('/')).toBe('/chat/');
+ expect(rewriteOpenworkLocation('/settings')).toBe('/chat/settings');
+ expect(rewriteOpenworkLocation('/chat/x')).toBe('/chat/x');
+ });
+});
diff --git a/apps/console/src/lib/chat-openwork-proxy.ts b/apps/console/src/lib/chat-openwork-proxy.ts
new file mode 100644
index 00000000..a94c01b9
--- /dev/null
+++ b/apps/console/src/lib/chat-openwork-proxy.ts
@@ -0,0 +1,43 @@
+/** Rewrite OpenWork HTML so root-absolute assets load under the /chat proxy prefix.
+ *
+ * The workspace Vite app emits `/assets/...` and `/favicon-...` URLs. Middleware
+ * only proxies `/chat/*`, so those root paths 404 on the console origin and the
+ * page paints blank. Prefix them with `/chat` (already forwarded upstream).
+ */
+export function rewriteOpenworkChatHtml(html: string): string {
+ let out = html.includes('data-register-impl=')
+ ? html
+ : html.replace(
+ /]*)>/i,
+ '',
+ );
+
+ // Attribute URLs: src="/assets/x", href="/favicon.png", etc.
+ out = out.replace(
+ /\b(href|src|poster)=(["'])\/(?!\/|chat\/)/g,
+ '$1=$2/chat/',
+ );
+
+ // Inline modulepreload / import maps occasionally use content URLs.
+ out = out.replace(
+ /\b(url)\((["']?)\/(?!\/|chat\/)/g,
+ '$1($2/chat/',
+ );
+
+ return out;
+}
+
+export function rewriteOpenworkLocation(location: string | null): string | null {
+ if (!location) return location;
+ if (location.startsWith('/chat/') || location === '/chat') return location;
+ if (location.startsWith('/')) return `/chat${location === '/' ? '/' : location}`;
+ try {
+ const url = new URL(location);
+ if (!url.pathname.startsWith('/chat')) {
+ url.pathname = `/chat${url.pathname === '/' ? '/' : url.pathname}`;
+ }
+ return url.toString();
+ } catch {
+ return location;
+ }
+}
diff --git a/apps/console/src/middleware.ts b/apps/console/src/middleware.ts
index 26dc1ee5..d42a4be8 100644
--- a/apps/console/src/middleware.ts
+++ b/apps/console/src/middleware.ts
@@ -1,10 +1,15 @@
import { NextRequest, NextResponse } from 'next/server';
+import {
+ rewriteOpenworkChatHtml,
+ rewriteOpenworkLocation,
+} from '@/lib/chat-openwork-proxy';
// SOURCING: none. SPEC-COMMONPLACE-PRODUCTION-CUTOVER-1.0 GL6 / OW4.
// When CONSOLE_WORKSPACE_URL is set, /chat is reverse-proxied to the workspace
// chat door with the /chat prefix stripped. Cookie stays on the console origin.
// NextResponse.rewrite cannot target an arbitrary external origin here, so this
-// is an explicit fetch proxy.
+// is an explicit fetch proxy. HTML root-absolute asset URLs are rewritten under
+// /chat so Vite bundles do not 404 on the console origin (blank OpenWork page).
const WORKSPACE = process.env.CONSOLE_WORKSPACE_URL?.replace(/\/$/, '') ?? '';
@@ -60,14 +65,16 @@ export async function middleware(request: NextRequest) {
const responseHeaders = new Headers(upstream.headers);
responseHeaders.set('x-register-impl', 'openwork.chat');
+ const location = upstream.headers.get('location');
+ if (location) {
+ responseHeaders.set('location', rewriteOpenworkLocation(location) ?? location);
+ }
+
if (upstreamContentType.includes('text/html')) {
const html = await upstream.text();
- const stamped = html.includes('data-register-impl=')
- ? html
- : html.replace(
- /]*)>/i,
- '',
- );
+ const stamped = rewriteOpenworkChatHtml(html);
+ // Content-Length from upstream is stale after rewrite.
+ responseHeaders.delete('content-length');
return new NextResponse(stamped, {
status: upstream.status,
headers: responseHeaders,