Initial commit

skills/supabase-auth-ssr-setup/assets/auth-callback-route.ts

@@ -0,0 +1,29 @@
+import { createServerClient } from '@/lib/supabase/server';
+import { NextResponse } from 'next/server';
+
+export async function GET(request: Request) {
+  const { searchParams, origin } = new URL(request.url);
+  const code = searchParams.get('code');
+  const next = searchParams.get('next') ?? '/dashboard';
+
+  if (code) {
+    const supabase = await createServerClient();
+    const { error } = await supabase.auth.exchangeCodeForSession(code);
+
+    if (!error) {
+      const forwardedHost = request.headers.get('x-forwarded-host');
+      const isLocalEnv = process.env.NODE_ENV === 'development';
+
+      if (isLocalEnv) {
+        return NextResponse.redirect(`${origin}${next}`);
+      } else if (forwardedHost) {
+        return NextResponse.redirect(`https://${forwardedHost}${next}`);
+      } else {
+        return NextResponse.redirect(`${origin}${next}`);
+      }
+    }
+  }
+
+  // Return the user to an error page with instructions
+  return NextResponse.redirect(`${origin}/auth/auth-code-error`);
+}