From ddd349dbce7ca81758757aeb759d434621312841 Mon Sep 17 00:00:00 2001
From: jonasBoss <jonas.bosse@posteo.de>
Date: Mon, 28 Jul 2025 13:39:16 +0200
Subject: [PATCH 1/2] make http header parsing case insensitive

---
 src/http.rs | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/src/http.rs b/src/http.rs
index 408a3c5..fb67dc5 100644
--- a/src/http.rs
+++ b/src/http.rs
@@ -45,7 +45,7 @@ pub fn read_http_header<'a>(
     let mut sec_websocket_key = String::new();
 
     for (name, value) in headers {
-        match name {
+        match_ascii_case_insensitive!{ name, 
             "Upgrade" => is_websocket_request = str::from_utf8(value)? == "websocket",
             "Sec-WebSocket-Protocol" => {
                 // extract a csv list of supported sub protocols
@@ -54,15 +54,15 @@ pub fn read_http_header<'a>(
                         // it is safe to unwrap here because we have checked
                         // the size of the list beforehand
                         sec_websocket_protocol_list
-                            .push(String::from(item))
+                            .push(String::try_from(item)?)
                             .unwrap();
                     }
                 }
-            }
+            },
             "Sec-WebSocket-Key" => {
-                sec_websocket_key = String::from(str::from_utf8(value)?);
-            }
-            &_ => {
+                sec_websocket_key = String::try_from(str::from_utf8(value)?)?;
+            },
+            _ => {
                 // ignore all other headers
             }
         }
@@ -78,6 +78,14 @@ pub fn read_http_header<'a>(
     }
 }
 
+macro_rules! match_ascii_case_insensitive {
+    ($m:expr, $($case:literal => $do:expr),+ , _ => $default:expr) => {
+        if false {}
+        $(else if $m.eq_ignore_ascii_case($case) { $do })+
+        else {$default}
+    };
+}
+
 pub fn read_server_connect_handshake_response(
     sec_websocket_key: &WebSocketKey,
     from: &[u8],

From 0a1c60825ed7ece2a8a5d507bcdb17094aa8bf9a Mon Sep 17 00:00:00 2001
From: jonasBoss <jonas.bosse@posteo.de>
Date: Mon, 28 Jul 2025 13:41:40 +0200
Subject: [PATCH 2/2] fixup

---
 src/http.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/http.rs b/src/http.rs
index fb67dc5..6afd1ad 100644
--- a/src/http.rs
+++ b/src/http.rs
@@ -54,13 +54,13 @@ pub fn read_http_header<'a>(
                         // it is safe to unwrap here because we have checked
                         // the size of the list beforehand
                         sec_websocket_protocol_list
-                            .push(String::try_from(item)?)
+                            .push(String::from(item))
                             .unwrap();
                     }
                 }
             },
             "Sec-WebSocket-Key" => {
-                sec_websocket_key = String::try_from(str::from_utf8(value)?)?;
+                sec_websocket_key = String::from(str::from_utf8(value)?);
             },
             _ => {
                 // ignore all other headers