From ba76e4f3a7f39bf4d339ecac06716692d4cc8f7e Mon Sep 17 00:00:00 2001
From: ngrodzitski <utromvecherom@gmail.com>
Date: Thu, 14 Sep 2023 15:44:33 +0200
Subject: [PATCH] Fix: Chunk extensions' parameters parsing when more then one
 name-value pair provided

Consider multiple name-value pairs in the extentions line (chunk extension).
---
 src/llhttp/http.ts                |  2 +-
 test/request/transfer-encoding.md | 30 +++++++++++++++++-------------
 2 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/src/llhttp/http.ts b/src/llhttp/http.ts
index 42073262..71a7c422 100644
--- a/src/llhttp/http.ts
+++ b/src/llhttp/http.ts
@@ -967,7 +967,7 @@ export class HTTP {
       .match('"', n('chunk_extension_quoted_value'))
       .match(TOKEN, n('chunk_extension_value'))
       .peek(';', this.span.chunkExtensionValue.end().skipTo(
-        onChunkExtensionValueCompleted(n('chunk_size_otherwise')),
+        onChunkExtensionValueCompleted(n('chunk_extensions')),
       ))
       .peek('\r', this.span.chunkExtensionValue.end().skipTo(
         onChunkExtensionValueCompleted(n('chunk_size_almost_done')),
diff --git a/test/request/transfer-encoding.md b/test/request/transfer-encoding.md
index 904c0092..69e8cf9a 100644
--- a/test/request/transfer-encoding.md
+++ b/test/request/transfer-encoding.md
@@ -230,7 +230,7 @@ off=134 message complete
 POST /chunked_w_unicorns_after_length HTTP/1.1
 Transfer-Encoding: chunked
 
-5;ilovew3;somuchlove=aretheseparametersfor
+5;ilovew3;somuchlove=aretheseparametersfor;another=withvalue
 hello
 6;blahblah;blah
  world
@@ -257,17 +257,21 @@ off=88 len=10 span[chunk_extension_name]="somuchlove"
 off=99 chunk_extension_name complete
 off=99 len=21 span[chunk_extension_value]="aretheseparametersfor"
 off=121 chunk_extension_value complete
-off=122 chunk header len=5
-off=122 len=5 span[body]="hello"
-off=129 chunk complete
-off=131 len=8 span[chunk_extension_name]="blahblah"
-off=140 chunk_extension_name complete
-off=140 len=4 span[chunk_extension_name]="blah"
-off=145 chunk_extension_name complete
-off=146 chunk header len=6
-off=146 len=6 span[body]=" world"
-off=154 chunk complete
-off=157 chunk header len=0
+off=121 len=7 span[chunk_extension_name]="another"
+off=129 chunk_extension_name complete
+off=129 len=9 span[chunk_extension_value]="withvalue"
+off=139 chunk_extension_value complete
+off=140 chunk header len=5
+off=140 len=5 span[body]="hello"
+off=147 chunk complete
+off=149 len=8 span[chunk_extension_name]="blahblah"
+off=158 chunk_extension_name complete
+off=158 len=4 span[chunk_extension_name]="blah"
+off=163 chunk_extension_name complete
+off=164 chunk header len=6
+off=164 len=6 span[body]=" world"
+off=172 chunk complete
+off=175 chunk header len=0
 ```
 
 ### No semicolon before chunk extensions
@@ -1180,4 +1184,4 @@ off=65 chunk complete
 off=68 chunk header len=0
 off=70 chunk complete
 off=70 message complete
-```
\ No newline at end of file
+```