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import itertools
import click
import typing # noqa
from mitmproxy import contentviews
from mitmproxy import ctx
from mitmproxy import exceptions
from mitmproxy import flowfilter
from mitmproxy.utils import human
from mitmproxy.utils import strutils
def indent(n, text):
l = str(text).strip().splitlines()
pad = " " * n
return "\n".join(pad + i for i in l)
class Dumper:
def __init__(self):
self.filter = None # type: flowfilter.TFilter
self.flow_detail = None # type: int
self.outfp = None # type: typing.io.TextIO
self.showhost = None # type: bool
def configure(self, options, updated):
if options.filtstr:
self.filter = flowfilter.parse(options.filtstr)
if not self.filter:
raise exceptions.OptionsError(
"Invalid filter expression: %s" % options.filtstr
)
else:
self.filter = None
self.flow_detail = options.flow_detail
self.outfp = options.tfile
self.showhost = options.showhost
def echo(self, text, ident=None, **style):
if ident:
text = indent(ident, text)
click.secho(text, file=self.outfp, **style)
if self.outfp:
self.outfp.flush()
def _echo_message(self, message):
if self.flow_detail >= 2 and hasattr(message, "headers"):
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, ident=4)
if self.flow_detail >= 3:
_, lines, error = contentviews.get_message_content_view(
contentviews.get("Auto"),
message
)
if error:
ctx.log.debug(error)
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.flow_detail == 3:
lines_to_echo = itertools.islice(lines, 70)
else:
lines_to_echo = lines
content = u"\r\n".join(
u"".join(colorful(line)) for line in lines_to_echo
)
if content:
self.echo("")
self.echo(content)
if next(lines, None):
self.echo("(cut off)", ident=4, dim=True)
if self.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.escape_control_characters(
repr(flow.client_conn.address)
)
)
elif flow.request.is_replay:
client = click.style("[replay]", fg="yellow", bold=True)
else:
client = ""
method = flow.request.method
method_color = dict(
GET="green",
DELETE="red"
).get(method.upper(), "magenta")
method = click.style(
strutils.escape_control_characters(method),
fg=method_color,
bold=True
)
if self.showhost:
url = flow.request.pretty_url
else:
url = flow.request.url
if len(url) > 200:
url = url[:199] + "…"
url = click.style(strutils.escape_control_characters(url), bold=True)
http_version = ""
if flow.request.http_version not in ("HTTP/1.1", "HTTP/1.0"):
# We hide "normal" HTTP 1.
http_version = " " + flow.request.http_version
if self.flow_detail >= 2:
linebreak = "\n "
else:
linebreak = ""
line = "{client}: {linebreak}{stickycookie}{method} {url}{http_version}".format(
client=client,
stickycookie=stickycookie,
linebreak=linebreak,
method=method,
url=url,
http_version=http_version
)
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.escape_control_characters(flow.response.reason),
fg=code_color,
bold=True
)
if flow.response.raw_content is None:
size = "(content missing)"
else:
size = human.pretty_size(len(flow.response.raw_content))
size = click.style(size, bold=True)
arrows = click.style(" <<", bold=True)
if self.flow_detail == 1:
# This aligns the HTTP response code with the HTTP request method:
# 127.0.0.1:59519: GET http://example.com/
# << 304 Not Modified 0b
arrows = " " * (len(repr(flow.client_conn.address)) - 2) + arrows
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 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:
msg = strutils.escape_control_characters(f.error.msg)
self.echo(" << {}".format(msg), bold=True, fg="red")
def match(self, f):
if self.flow_detail == 0:
return False
if not self.filter:
return True
elif flowfilter.match(self.filter, f):
return True
return False
def response(self, f):
if self.match(f):
self.echo_flow(f)
def error(self, f):
if self.match(f):
self.echo_flow(f)
def tcp_error(self, f):
self.echo(
"Error in TCP connection to {}: {}".format(
repr(f.server_conn.address), f.error
),
fg="red"
)
def tcp_message(self, f):
if not self.match(f):
return
message = f.messages[-1]
direction = "->" if message.from_client else "<-"
self.echo("{client} {direction} tcp {direction} {server}".format(
client=repr(f.client_conn.address),
server=repr(f.server_conn.address),
direction=direction,
))
self._echo_message(message)
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