Current File : //usr/lib/python3/dist-packages/mitmproxy/net/http/http2.py
import codecs
from hyperframe.frame import Frame
from mitmproxy import exceptions
def read_frame(rfile, parse=True):
"""
Reads a full HTTP/2 frame from a file-like object.
Returns a parsed frame and the consumed bytes.
"""
header = rfile.safe_read(9)
length = int(codecs.encode(header[:3], 'hex_codec'), 16)
if length == 4740180:
raise exceptions.HttpException("Length field looks more like HTTP/1.1:\n{}".format(rfile.read(-1)))
body = rfile.safe_read(length)
if parse:
frame, _ = Frame.parse_frame_header(header)
frame.parse_body(memoryview(body))
else:
frame = None
return frame, b''.join([header, body])
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