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from __future__ import absolute_import, print_function, division
import itertools
import sys
import traceback
import click
from mitmproxy import contentviews
from mitmproxy import controller
from mitmproxy import exceptions
from mitmproxy import filt
from mitmproxy import flow
from netlib import human
from netlib import tcp
from netlib import strutils
class DumpError(Exception):
pass
class Options(object):
attributes = [
"app",
"app_host",
"app_port",
"anticache",
"anticomp",
"client_replay",
"filtstr",
"flow_detail",
"keepserving",
"kill",
"no_server",
"nopop",
"refresh_server_playback",
"replacements",
"rfile",
"rheaders",
"setheaders",
"server_replay",
"scripts",
"showhost",
"stickycookie",
"stickyauth",
"stream_large_bodies",
"verbosity",
"outfile",
"replay_ignore_content",
"replay_ignore_params",
"replay_ignore_payload_params",
"replay_ignore_host"
]
def __init__(self, **kwargs):
for k, v in kwargs.items():
setattr(self, k, v)
for i in self.attributes:
if not hasattr(self, i):
setattr(self, i, None)
class DumpMaster(flow.FlowMaster):
def __init__(self, server, options, outfile=None):
flow.FlowMaster.__init__(self, server, flow.State())
self.outfile = outfile
self.o = options
self.anticache = options.anticache
self.anticomp = options.anticomp
self.showhost = options.showhost
self.replay_ignore_params = options.replay_ignore_params
self.replay_ignore_content = options.replay_ignore_content
self.replay_ignore_host = options.replay_ignore_host
self.refresh_server_playback = options.refresh_server_playback
self.replay_ignore_payload_params = options.replay_ignore_payload_params
self.set_stream_large_bodies(options.stream_large_bodies)
if self.server and self.server.config.http2 and not tcp.HAS_ALPN: # pragma: no cover
print("ALPN support missing (OpenSSL 1.0.2+ required)!\n"
"HTTP/2 is disabled. Use --no-http2 to silence this warning.",
file=sys.stderr)
if options.filtstr:
self.filt = filt.parse(options.filtstr)
else:
self.filt = None
if options.stickycookie:
self.set_stickycookie(options.stickycookie)
if options.stickyauth:
self.set_stickyauth(options.stickyauth)
if options.outfile:
err = self.start_stream_to_path(
options.outfile[0],
options.outfile[1],
self.filt
)
if err:
raise DumpError(err)
if options.replacements:
for i in options.replacements:
self.replacehooks.add(*i)
if options.setheaders:
for i in options.setheaders:
self.setheaders.add(*i)
if options.server_replay:
self.start_server_playback(
self._readflow(options.server_replay),
options.kill, options.rheaders,
not options.keepserving,
options.nopop,
options.replay_ignore_params,
options.replay_ignore_content,
options.replay_ignore_payload_params,
options.replay_ignore_host
)
if options.client_replay:
self.start_client_playback(
self._readflow(options.client_replay),
not options.keepserving
)
scripts = options.scripts or []
for command in scripts:
try:
self.load_script(command, use_reloader=True)
except exceptions.ScriptException as e:
raise DumpError(str(e))
if options.rfile:
try:
self.load_flows_file(options.rfile)
except exceptions.FlowReadException as v:
self.add_event("Flow file corrupted.", "error")
raise DumpError(v)
if self.o.app:
self.start_app(self.o.app_host, self.o.app_port)
def _readflow(self, paths):
"""
Utitility function that reads a list of flows
or raises a DumpError if that fails.
"""
try:
return flow.read_flows_from_paths(paths)
except exceptions.FlowReadException as e:
raise DumpError(str(e))
def add_event(self, e, level="info"):
needed = dict(error=0, info=1, debug=2).get(level, 1)
if self.o.verbosity >= needed:
self.echo(
e,
fg="red" if level == "error" else None,
dim=(level == "debug"),
err=(level == "error")
)
@staticmethod
def indent(n, text):
l = str(text).strip().splitlines()
pad = " " * n
return "\n".join(pad + i for i in l)
def echo(self, text, indent=None, **style):
if indent:
text = self.indent(indent, text)
click.secho(text, file=self.outfile, **style)
def _echo_message(self, message):
if self.o.flow_detail >= 2:
headers = "\r\n".join(
"{}: {}".format(
click.style(strutils.bytes_to_escaped_str(k), fg="blue", bold=True),
click.style(strutils.bytes_to_escaped_str(v), fg="blue"))
for k, v in message.headers.fields
)
self.echo(headers, indent=4)
if self.o.flow_detail >= 3:
if message.content is None:
self.echo("(content missing)", indent=4)
elif message.content:
self.echo("")
try:
type, lines = contentviews.get_content_view(
contentviews.get("Auto"),
message.content,
headers=message.headers
)
except exceptions.ContentViewException:
s = "Content viewer failed: \n" + traceback.format_exc()
self.add_event(s, "debug")
type, lines = contentviews.get_content_view(
contentviews.get("Raw"),
message.content,
headers=message.headers
)
styles = dict(
highlight=dict(bold=True),
offset=dict(fg="blue"),
header=dict(fg="green", bold=True),
text=dict(fg="green")
)
def colorful(line):
yield u" " # we can already indent here
for (style, text) in line:
yield click.style(text, **styles.get(style, {}))
if self.o.flow_detail == 3:
lines_to_echo = itertools.islice(lines, 70)
else:
lines_to_echo = lines
lines_to_echo = list(lines_to_echo)
content = u"\r\n".join(
u"".join(colorful(line)) for line in lines_to_echo
)
self.echo(content)
if next(lines, None):
self.echo("(cut off)", indent=4, dim=True)
if self.o.flow_detail >= 2:
self.echo("")
def _echo_request_line(self, flow):
if flow.request.stickycookie:
stickycookie = click.style("[stickycookie] ", fg="yellow", bold=True)
else:
stickycookie = ""
if flow.client_conn:
client = click.style(strutils.bytes_to_escaped_str(flow.client_conn.address.host), bold=True)
else:
client = click.style("[replay]", fg="yellow", bold=True)
method = flow.request.method
method_color = dict(
GET="green",
DELETE="red"
).get(method.upper(), "magenta")
method = click.style(strutils.bytes_to_escaped_str(method), fg=method_color, bold=True)
if self.showhost:
url = flow.request.pretty_url
else:
url = flow.request.url
url = click.style(strutils.bytes_to_escaped_str(url), bold=True)
httpversion = ""
if flow.request.http_version not in ("HTTP/1.1", "HTTP/1.0"):
httpversion = " " + flow.request.http_version # We hide "normal" HTTP 1.
line = "{stickycookie}{client} {method} {url}{httpversion}".format(
stickycookie=stickycookie,
client=client,
method=method,
url=url,
httpversion=httpversion
)
self.echo(line)
def _echo_response_line(self, flow):
if flow.response.is_replay:
replay = click.style("[replay] ", fg="yellow", bold=True)
else:
replay = ""
code = flow.response.status_code
code_color = None
if 200 <= code < 300:
code_color = "green"
elif 300 <= code < 400:
code_color = "magenta"
elif 400 <= code < 600:
code_color = "red"
code = click.style(str(code), fg=code_color, bold=True, blink=(code == 418))
reason = click.style(strutils.bytes_to_escaped_str(flow.response.reason), fg=code_color, bold=True)
if flow.response.content is None:
size = "(content missing)"
else:
size = human.pretty_size(len(flow.response.content))
size = click.style(size, bold=True)
arrows = click.style("<<", bold=True)
line = "{replay} {arrows} {code} {reason} {size}".format(
replay=replay,
arrows=arrows,
code=code,
reason=reason,
size=size
)
self.echo(line)
def echo_flow(self, f):
if self.o.flow_detail == 0:
return
if f.request:
self._echo_request_line(f)
self._echo_message(f.request)
if f.response:
self._echo_response_line(f)
self._echo_message(f.response)
if f.error:
self.echo(" << {}".format(f.error.msg), bold=True, fg="red")
if self.outfile:
self.outfile.flush()
def _process_flow(self, f):
if self.filt and not f.match(self.filt):
return
self.echo_flow(f)
@controller.handler
def request(self, f):
flow.FlowMaster.request(self, f)
self.state.delete_flow(f)
if f:
f.reply()
return f
@controller.handler
def response(self, f):
flow.FlowMaster.response(self, f)
if f:
f.reply()
self._process_flow(f)
return f
@controller.handler
def error(self, f):
flow.FlowMaster.error(self, f)
if f:
self._process_flow(f)
return f
def run(self): # pragma: no cover
if self.o.rfile and not self.o.keepserving:
self.unload_scripts() # make sure to trigger script unload events.
return
super(DumpMaster, self).run()
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