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import contextlib
import asyncio
import sys
import mitmproxy.master
import mitmproxy.options
from mitmproxy import addonmanager
from mitmproxy import command
from mitmproxy import eventsequence
from mitmproxy.addons import script, core
class TestAddons(addonmanager.AddonManager):
def __init__(self, master):
super().__init__(master)
def trigger(self, event, *args, **kwargs):
if event == "log":
self.master.logs.append(args[0])
super().trigger(event, *args, **kwargs)
class RecordingMaster(mitmproxy.master.Master):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.addons = TestAddons(self)
self.logs = []
def dump_log(self, outf=sys.stdout):
for i in self.logs:
print("%s: %s" % (i.level, i.msg), file=outf)
def has_log(self, txt, level=None):
for i in self.logs:
if level and i.level != level:
continue
if txt.lower() in i.msg.lower():
return True
return False
async def await_log(self, txt, level=None):
for i in range(20):
if self.has_log(txt, level):
return True
else:
await asyncio.sleep(0.1)
return False
def clear(self):
self.logs = []
class context:
"""
A context for testing addons, which sets up the mitmproxy.ctx module so
handlers can run as they would within mitmproxy. The context also
provides a number of helper methods for common testing scenarios.
"""
def __init__(self, *addons, options=None, loadcore=True):
options = options or mitmproxy.options.Options()
self.master = RecordingMaster(
options
)
self.options = self.master.options
if loadcore:
self.master.addons.add(core.Core())
for a in addons:
self.master.addons.add(a)
def __enter__(self):
return self
def __exit__(self, exc_type, exc_value, traceback):
return False
@contextlib.contextmanager
def cycle(self, addon, f):
"""
Cycles the flow through the events for the flow. Stops if a reply
is taken (as in flow interception).
"""
f.reply._state = "start"
for evt, arg in eventsequence.iterate(f):
self.master.addons.invoke_addon(
addon,
evt,
arg
)
if f.reply.state == "taken":
return
def configure(self, addon, **kwargs):
"""
A helper for testing configure methods. Modifies the registered
Options object with the given keyword arguments, then calls the
configure method on the addon with the updated value.
"""
if addon not in self.master.addons:
self.master.addons.register(addon)
with self.options.rollback(kwargs.keys(), reraise=True):
if kwargs:
self.options.update(**kwargs)
else:
self.master.addons.invoke_addon(addon, "configure", {})
def script(self, path):
"""
Loads a script from path, and returns the enclosed addon.
"""
sc = script.Script(path, False)
return sc.addons[0] if sc.addons else None
def invoke(self, addon, event, *args, **kwargs):
"""
Recursively invoke an event on an addon and all its children.
"""
return self.master.addons.invoke_addon(addon, event, *args, **kwargs)
def command(self, func, *args):
"""
Invoke a command function with a list of string arguments within a command context, mimicking the actual command environment.
"""
cmd = command.Command(self.master.commands, "test.command", func)
return cmd.call(args)
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