From 7c946949d6fca80a24deaf14cd613c055a597881 Mon Sep 17 00:00:00 2001
From: Tiago R <metal@i0.tf>
Date: Fri, 29 Dec 2023 11:43:36 +0000
Subject: [PATCH] automod match_link fixes (#432)

* remove trailing dot from FQDN for TLD check

Signed-off-by: GitHub <noreply@github.com>

* yeet all trailing characters from TLDs

Signed-off-by: GitHub <noreply@github.com>

* oops

Signed-off-by: GitHub <noreply@github.com>

* move dumb loop to regex replace

Signed-off-by: GitHub <noreply@github.com>

---------

Signed-off-by: GitHub <noreply@github.com>
Co-authored-by: Almeida <github@almeidx.dev>
---
 backend/src/utils.ts | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/backend/src/utils.ts b/backend/src/utils.ts
index 1bb4d6ce..c6c705db 100644
--- a/backend/src/utils.ts
+++ b/backend/src/utils.ts
@@ -647,7 +647,13 @@ export function getUrlsInString(str: string, onlyUnique = false): MatchedURL[] {
       return urls;
     }
 
-    const hostnameParts = matchUrl.hostname.split(".");
+    let hostname = matchUrl.hostname.toLowerCase();
+
+    if (hostname.length > 3) {
+      hostname = hostname.replace(/[^a-z]+$/, "");
+    }
+
+    const hostnameParts = hostname.split(".");
     const tld = hostnameParts[hostnameParts.length - 1];
     if (tlds.includes(tld)) {
       urls.push(matchUrl);