Update RFC 7230 syntax rules per errata ID: 4667

vfaronov · Oct 10, 2016 · 71290f5 · 71290f5
1 parent 441e983
commit 71290f5
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Showing 2 changed files with 30 additions and 2 deletions.
diff --git a/httpolice/syntax/rfc7230.py b/httpolice/syntax/rfc7230.py
@@ -164,8 +164,10 @@ def transfer_coding(no_trailers=False, no_q=False):
 chunk_size = (lambda s: int(s, 16)) << string1(HEXDIG)                  > pivot
 chunk_ext_name = token                                                  > auto
 chunk_ext_val = token | quoted_string                                   > auto
-chunk_ext = many(skip(';') * chunk_ext_name *
-                 maybe(skip('=') * chunk_ext_val))                      > pivot
+
+# As updated by RFC 7230 errata ID: 4667.
+chunk_ext = many(skip(BWS * ';' * BWS) * chunk_ext_name *
+                 maybe(skip(BWS * '=' * BWS) * chunk_ext_val))          > pivot
 
 Host = uri_host + maybe_str(':' + port)                                 > pivot
 

diff --git a/test/combined_data/1015_2 b/test/combined_data/1015_2
@@ -0,0 +1,26 @@
+1015
+
+# RFC 7230 errata ID: 4667.
+
+======== BEGIN INBOUND STREAM ========
+POST / HTTP/1.1
+Host: example.com
+Content-Type: text/plain
+User-Agent: demo
+Transfer-Encoding: chunked
+Trailer: some-result
+
+1c
+foo bar foo bar foo bar baz 
+5; ext1 = value1; ext2 = "value2 value3"
+xyzzy
+0
+Some-Result: okay
+
+======== BEGIN OUTBOUND STREAM ========
+HTTP/1.1 200 OK
+Date: Thu, 31 Dec 2015 18:26:56 GMT
+Content-Type: text/plain
+Content-Length: 14
+
+Hello world!