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import glob
import json
import os
from contextlib import contextmanager
from mitmproxy import utils, script
from mitmproxy.proxy import config
from netlib import tutils as netutils
from netlib.http import Headers
from . import tservers, tutils
example_dir = utils.Data(__name__).path("../../examples")
class DummyContext(object):
"""Emulate script.ScriptContext() functionality."""
contentview = None
def log(self, *args, **kwargs):
pass
def add_contentview(self, view_obj):
self.contentview = view_obj
def remove_contentview(self, view_obj):
self.contentview = None
@contextmanager
def example(command):
command = os.path.join(example_dir, command)
ctx = DummyContext()
with script.Script(command, ctx) as s:
yield s
def test_load_scripts():
scripts = glob.glob("%s/*.py" % example_dir)
tmaster = tservers.TestMaster(config.ProxyConfig())
for f in scripts:
if "har_extractor" in f:
continue
if "flowwriter" in f:
f += " -"
if "iframe_injector" in f:
f += " foo" # one argument required
if "filt" in f:
f += " ~a"
if "modify_response_body" in f:
f += " foo bar" # two arguments required
s = script.Script(f, script.ScriptContext(tmaster))
try:
s.load()
except Exception as v:
if "ImportError" not in str(v):
raise
else:
s.unload()
def test_add_header():
flow = tutils.tflow(resp=netutils.tresp())
with example("add_header.py") as ex:
ex.run("response", flow)
assert flow.response.headers["newheader"] == "foo"
def test_custom_contentviews():
with example("custom_contentviews.py") as ex:
pig = ex.ctx.contentview
_, fmt = pig("<html>test!</html>")
assert any('esttay!' in val[0][1] for val in fmt)
assert not pig("gobbledygook")
def test_iframe_injector():
with tutils.raises(script.ScriptException):
with example("iframe_injector.py") as ex:
pass
flow = tutils.tflow(resp=netutils.tresp(content="<html>mitmproxy</html>"))
with example("iframe_injector.py http://example.org/evil_iframe") as ex:
ex.run("response", flow)
content = flow.response.content
assert 'iframe' in content and 'evil_iframe' in content
def test_modify_form():
form_header = Headers(content_type="application/x-www-form-urlencoded")
flow = tutils.tflow(req=netutils.treq(headers=form_header))
with example("modify_form.py") as ex:
ex.run("request", flow)
assert flow.request.urlencoded_form["mitmproxy"] == "rocks"
flow.request.headers["content-type"] = ""
ex.run("request", flow)
assert list(flow.request.urlencoded_form.items()) == [("foo", "bar")]
def test_modify_querystring():
flow = tutils.tflow(req=netutils.treq(path="/search?q=term"))
with example("modify_querystring.py") as ex:
ex.run("request", flow)
assert flow.request.query["mitmproxy"] == "rocks"
flow.request.path = "/"
ex.run("request", flow)
assert flow.request.query["mitmproxy"] == "rocks"
def test_modify_response_body():
with tutils.raises(script.ScriptException):
with example("modify_response_body.py"):
assert True
flow = tutils.tflow(resp=netutils.tresp(content="I <3 mitmproxy"))
with example("modify_response_body.py mitmproxy rocks") as ex:
assert ex.ctx.old == "mitmproxy" and ex.ctx.new == "rocks"
ex.run("response", flow)
assert flow.response.content == "I <3 rocks"
def test_redirect_requests():
flow = tutils.tflow(req=netutils.treq(host="example.org"))
with example("redirect_requests.py") as ex:
ex.run("request", flow)
assert flow.request.host == "mitmproxy.org"
def test_har_extractor():
with tutils.raises(script.ScriptException):
with example("har_extractor.py"):
pass
times = dict(
timestamp_start=746203272,
timestamp_end=746203272,
)
flow = tutils.tflow(
req=netutils.treq(**times),
resp=netutils.tresp(**times)
)
with example("har_extractor.py -") as ex:
ex.run("response", flow)
with open(tutils.test_data.path("data/har_extractor.har")) as fp:
test_data = json.load(fp)
assert json.loads(ex.ctx.HARLog.json()) == test_data["test_response"]
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