From f80e2cd059de032153a0e24acd2bb8395992cd22 Mon Sep 17 00:00:00 2001
From: Fuwn <contact@fuwn.me>
Date: Thu, 11 Sep 2025 06:14:44 +0000
Subject: fix(meta): Better comply with RFC 2045

---
 src/meta.rs | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

(limited to 'src/meta.rs')

diff --git a/src/meta.rs b/src/meta.rs
index d50af2d..453bbb6 100644
--- a/src/meta.rs
+++ b/src/meta.rs
@@ -78,13 +78,15 @@ impl Meta {
     let mut parameters = HashMap::new();
 
     for parameter in metas {
-      let key_value =
-        parameter.trim_start().split_at(parameter.find('=').unwrap_or(0));
+      let trimmed = parameter.trim_start();
 
-      parameters.insert(
-        key_value.0.to_string().replace('=', ""),
-        key_value.1.to_string(),
-      );
+      // Only parse parameters containing '=' as those without are malformed
+      // according to RFC 2045
+      if let Some(equal_pos) = trimmed.find('=') {
+        let (key, value) = trimmed.split_at(equal_pos);
+
+        parameters.insert(key.to_string(), value[1..].to_string());
+      }
     }
 
     Self { mime, parameters }
-- 
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