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ignore http2 priority frames

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Thomas Kriechbaumer 2015-09-02 20:50:50 +02:00
parent c14fbc7794
commit c79af62763
1 changed files with 8 additions and 1 deletions
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9
libmproxy/protocol/http.py
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@ -7,7 +7,7 @@ from netlib import odict
from netlib.tcp import NetLibError, Address
from netlib.http.http1 import HTTP1Protocol
from netlib.http.http2 import HTTP2Protocol
from netlib.http.http2.frame import WindowUpdateFrame
from netlib.http.http2.frame import PriorityFrame, WindowUpdateFrame
from .. import utils
from ..exceptions import InvalidCredentials, HttpException, ProtocolException
@ -196,6 +196,13 @@ class Http2Layer(_HttpLayer):
# Ideally we should keep track of our own flow control window and
# stall transmission if the outgoing flow control buffer is full.
return
if isinstance(frame, PriorityFrame):
# Clients are sending Priority frames depending on their implementation.
# The RFC does not clearly state when or which priority preferences should be set.
# Since we cannot predict these frames, and we do not need to respond to them,
# simply accept them, and hide them from the log.
# Ideally we should forward them to the server.
return
self.log("Unexpected HTTP2 Frame: %s" % frame.human_readable(), "info")