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Make HTTP proxy support changes in Twisted 24.7.0rc1

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This commit is contained in:
Olivier 'reivilibre 2024-07-30 13:08:55 +01:00
parent d216a956b6
commit 48d92ed0f6
1 changed files with 10 additions and 2 deletions
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12
synapse/http/proxy.py
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@ -62,6 +62,15 @@ HOP_BY_HOP_HEADERS = {
"Upgrade",
}
if hasattr(Headers, "_canonicalNameCaps"):
# Twisted < 24.7.0rc1
_canonicalHeaderName = Headers()._canonicalNameCaps
else:
# Twisted >= 24.7.0rc1
# But note that `_encodeName` still exists on prior versions,
# it just encodes differently
_canonicalHeaderName = Headers()._encodeName
def parse_connection_header_value(
connection_header_value: Optional[bytes],
@ -85,11 +94,10 @@ def parse_connection_header_value(
The set of header names that should not be copied over from the remote response.
The keys are capitalized in canonical capitalization.
"""
headers = Headers()
extra_headers_to_remove: Set[str] = set()
if connection_header_value:
extra_headers_to_remove = {
headers._canonicalNameCaps(connection_option.strip()).decode("ascii")
_canonicalHeaderName(connection_option.strip()).decode("ascii")
for connection_option in connection_header_value.split(b",")
}