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import asyncio
import mailcap
import mimetypes
import os
import os.path
import shlex
import signal
import stat
import subprocess
import sys
import tempfile
import typing # noqa
import contextlib
import urwid
from mitmproxy import addons
from mitmproxy import master
from mitmproxy import log
from mitmproxy.addons import intercept
from mitmproxy.addons import eventstore
from mitmproxy.addons import readfile
from mitmproxy.addons import view
from mitmproxy.tools.console import consoleaddons
from mitmproxy.tools.console import defaultkeys
from mitmproxy.tools.console import keymap
from mitmproxy.tools.console import palettes
from mitmproxy.tools.console import signals
from mitmproxy.tools.console import window
class ConsoleMaster(master.Master):
def __init__(self, opts):
super().__init__(opts)
self.start_err: typing.Optional[log.LogEntry] = None
self.view: view.View = view.View()
self.events = eventstore.EventStore()
self.events.sig_add.connect(self.sig_add_log)
self.stream_path = None
self.keymap = keymap.Keymap(self)
defaultkeys.map(self.keymap)
self.options.errored.connect(self.options_error)
self.view_stack = []
signals.call_in.connect(self.sig_call_in)
self.addons.add(*addons.default_addons())
self.addons.add(
intercept.Intercept(),
self.view,
self.events,
consoleaddons.UnsupportedLog(),
readfile.ReadFile(),
consoleaddons.ConsoleAddon(self),
)
def sigint_handler(*args, **kwargs):
self.prompt_for_exit()
signal.signal(signal.SIGINT, sigint_handler)
self.window = None
def __setattr__(self, name, value):
super().__setattr__(name, value)
signals.update_settings.send(self)
def options_error(self, opts, exc):
signals.status_message.send(
message=str(exc),
expire=1
)
def prompt_for_exit(self):
signals.status_prompt_onekey.send(
self,
prompt = "Quit",
keys = (
("yes", "y"),
("no", "n"),
),
callback = self.quit,
)
def sig_add_log(self, event_store, entry: log.LogEntry):
if log.log_tier(self.options.console_eventlog_verbosity) < log.log_tier(entry.level):
return
if entry.level in ("error", "warn", "alert"):
signals.status_message.send(
message = (
entry.level,
"{}: {}".format(entry.level.title(), str(entry.msg).lstrip())
),
expire=5
)
def sig_call_in(self, sender, seconds, callback, args=()):
def cb(*_):
return callback(*args)
self.loop.set_alarm_in(seconds, cb)
@contextlib.contextmanager
def uistopped(self):
self.loop.stop()
try:
yield
finally:
self.loop.start()
self.loop.screen_size = None
self.loop.draw_screen()
def spawn_editor(self, data):
text = not isinstance(data, bytes)
fd, name = tempfile.mkstemp('', "mproxy", text=text)
with open(fd, "w" if text else "wb") as f:
f.write(data)
# if no EDITOR is set, assume 'vi'
c = os.environ.get("EDITOR") or "vi"
cmd = shlex.split(c)
cmd.append(name)
with self.uistopped():
try:
subprocess.call(cmd)
except:
signals.status_message.send(
message="Can't start editor: %s" % " ".join(c)
)
else:
with open(name, "r" if text else "rb") as f:
data = f.read()
os.unlink(name)
return data
def spawn_external_viewer(self, data, contenttype):
if contenttype:
contenttype = contenttype.split(";")[0]
ext = mimetypes.guess_extension(contenttype) or ""
else:
ext = ""
fd, name = tempfile.mkstemp(ext, "mproxy")
os.write(fd, data)
os.close(fd)
# read-only to remind the user that this is a view function
os.chmod(name, stat.S_IREAD)
cmd = None
shell = False
if contenttype:
c = mailcap.getcaps()
cmd, _ = mailcap.findmatch(c, contenttype, filename=name)
if cmd:
shell = True
if not cmd:
# hm which one should get priority?
c = os.environ.get("PAGER") or os.environ.get("EDITOR")
if not c:
c = "less"
cmd = shlex.split(c)
cmd.append(name)
with self.uistopped():
try:
subprocess.call(cmd, shell=shell)
except:
signals.status_message.send(
message="Can't start external viewer: %s" % " ".join(c)
)
os.unlink(name)
def set_palette(self, opts, updated):
self.ui.register_palette(
palettes.palettes[opts.console_palette].palette(
opts.console_palette_transparent
)
)
self.ui.clear()
def inject_key(self, key):
self.loop.process_input([key])
def run(self):
if not sys.stdout.isatty():
print("Error: mitmproxy's console interface requires a tty. "
"Please run mitmproxy in an interactive shell environment.", file=sys.stderr)
sys.exit(1)
self.ui = window.Screen()
self.ui.set_terminal_properties(256)
self.set_palette(self.options, None)
self.options.subscribe(
self.set_palette,
["console_palette", "console_palette_transparent"]
)
self.loop = urwid.MainLoop(
urwid.SolidFill("x"),
event_loop=urwid.AsyncioEventLoop(loop=asyncio.get_event_loop()),
screen = self.ui,
handle_mouse = self.options.console_mouse,
)
self.window = window.Window(self)
self.loop.widget = self.window
self.window.refresh()
if self.start_err:
def display_err(*_):
self.sig_add_log(None, self.start_err)
self.start_err = None
self.loop.set_alarm_in(0.01, display_err)
super().run_loop(self.loop.run)
def overlay(self, widget, **kwargs):
self.window.set_overlay(widget, **kwargs)
def switch_view(self, name):
self.window.push(name)
def quit(self, a):
if a != "n":
self.shutdown()
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