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duplicate 100-continue patch for asgi

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This commit is contained in:
Paul J. Dorn 2026-01-25 03:47:49 +01:00
parent 88d503ba1c
commit ba336daabe
1 changed files with 16 additions and 0 deletions
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16
gunicorn/asgi/message.py
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@ -83,6 +83,7 @@ class AsyncRequest:
self.trailers = []
self.scheme = "https" if cfg.is_ssl else "http"
self.must_close = False
self._expected_100_continue = False
self.proxy_protocol_info = None
@ -474,6 +475,21 @@ class AsyncRequest:
if header_length > self.limit_request_field_size > 0:
raise LimitRequestHeaders("limit request headers fields size")
if not from_trailer and name == "EXPECT":
# https://datatracker.ietf.org/doc/html/rfc9110#section-10.1.1
# "The Expect field value is case-insensitive."
if value.lower() == "100-continue":
if self.version < (1, 1):
# https://datatracker.ietf.org/doc/html/rfc9110#section-10.1.1-12
# "A server that receives a 100-continue expectation
# in an HTTP/1.0 request MUST ignore that expectation."
pass
else:
self._expected_100_continue = True
# N.B. understood but ignored expect header does not return 417
else:
raise ExpectationFailed(value)
if name in secure_scheme_headers:
secure = value == secure_scheme_headers[name]
scheme = "https" if secure else "http"