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from mitmproxy import exceptions
from mitmproxy import filt
class SetHeaders:
def __init__(self):
self.lst = []
def configure(self, options, updated):
"""
options.setheaders is a tuple of (fpatt, header, value)
fpatt: String specifying a filter pattern.
header: Header name.
value: Header value string
"""
for fpatt, header, value in options.setheaders:
cpatt = filt.parse(fpatt)
if not cpatt:
raise exceptions.OptionsError(
"Invalid setheader filter pattern %s" % fpatt
)
self.lst.append((fpatt, header, value, cpatt))
def run(self, f, hdrs):
for _, header, value, cpatt in self.lst:
if cpatt(f):
hdrs.pop(header, None)
for _, header, value, cpatt in self.lst:
if cpatt(f):
hdrs.add(header, value)
def request(self, flow):
if not flow.reply.has_message:
self.run(flow, flow.request.headers)
def response(self, flow):
if not flow.reply.has_message:
self.run(flow, flow.response.headers)
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