[website] Add basic auth (#422)

apps/website/src/middleware.ts

@@ -0,0 +1,25 @@
+import { NextResponse } from 'next/server'
+
+import type { NextRequest } from 'next/server'
+
+export function middleware(req: NextRequest) {
+  const basicAuth = req.headers.get('authorization')
+
+  if (process.env.VERCEL_ENV !== 'production') {
+    return NextResponse.next()
+  }
+
+  if (basicAuth) {
+    const auth = basicAuth.split(' ')[1]
+    const [user, password] = Buffer.from(auth, 'base64').toString().split(':')
+
+    if (user === 'status' && password === process.env.AUTH_PASSWORD) {
+      return NextResponse.next()
+    }
+  }
+
+  return new NextResponse('Authentication Required', {
+    status: 401,
+    headers: { 'WWW-Authenticate': `Basic realm="website"` },
+  })
+}