From 6f11e5a1fb7a34489a8de1c32134a5daa6fe8c25 Mon Sep 17 00:00:00 2001
From: Astro <astro@spaceboyz.net>
Date: Sun, 22 Oct 2023 02:35:08 +0200
Subject: [PATCH] cave/activitypub: ignore more weird tags

---
 cave/src/activitypub/mod.rs | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/cave/src/activitypub/mod.rs b/cave/src/activitypub/mod.rs
index a95d7ec..2564198 100644
--- a/cave/src/activitypub/mod.rs
+++ b/cave/src/activitypub/mod.rs
@@ -118,12 +118,16 @@ impl Post {
                 while tag.name.chars().next() == Some('#') {
                     tag.name.remove(0);
                 }
-                if tag.name.chars().next() == Some('@') {
-                    // why do these occur?
-                    None
-                } else if tag.name.len() > 0 {
-                    Some(tag)
+                if let Some(c) = tag.name.chars().next() {
+                    // check the first letter
+                    if ['@', ':'].contains(&c) {
+                        // these are weird
+                        None
+                    } else {
+                        Some(tag)
+                    }
                 } else {
+                    // no first letter
                     None
                 }
             }).collect(),