From 3388e091c127e1804ed58a6489baa79d901701ad Mon Sep 17 00:00:00 2001
From: Katalina Okano <git@kat.cafe>
Date: Sat, 13 Mar 2021 15:57:28 -0500
Subject: [PATCH] feat(api): add wildcard fallback host filtering for stage/dev

---
 packages/api/utils/api-tools.ts | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/packages/api/utils/api-tools.ts b/packages/api/utils/api-tools.ts
index 61bbf1a..cbee2aa 100644
--- a/packages/api/utils/api-tools.ts
+++ b/packages/api/utils/api-tools.ts
@@ -203,5 +203,13 @@ export const getQuery = (request: Request): { [x: string]: string } => {
 };
 
 export const isAllowedCallbackHost = (host: string): boolean => {
-    return host === apiPublicURI || allowedCallbackHosts.includes(host);
+    return (
+        host === apiPublicURI ||
+        allowedCallbackHosts.includes(host) ||
+        allowedCallbackHosts
+            .filter((callbackHost) => callbackHost.includes('*'))
+            .find((wildcard) =>
+                new RegExp(wildcard.replace('*', '[a-z0-9-]+')).test(host)
+            ) !== null
+    );
 };