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|
import io
import pytest
from unittest.mock import patch
from mitmproxy.test import tflow
from mitmproxy import flowfilter
class TestParsing:
def _dump(self, x):
c = io.StringIO()
x.dump(fp=c)
assert c.getvalue()
def test_parse_err(self):
assert flowfilter.parse("~h [") is None
def test_simple(self):
assert not flowfilter.parse("~b")
assert flowfilter.parse("~q")
assert flowfilter.parse("~c 10")
assert flowfilter.parse("~m foobar")
assert flowfilter.parse("~u foobar")
assert flowfilter.parse("~q ~c 10")
p = flowfilter.parse("~q ~c 10")
self._dump(p)
assert len(p.lst) == 2
def test_naked_url(self):
a = flowfilter.parse("foobar ~h rex")
assert a.lst[0].expr == "foobar"
assert a.lst[1].expr == "rex"
self._dump(a)
def test_quoting(self):
a = flowfilter.parse("~u 'foo ~u bar' ~u voing")
assert a.lst[0].expr == "foo ~u bar"
assert a.lst[1].expr == "voing"
self._dump(a)
a = flowfilter.parse("~u foobar")
assert a.expr == "foobar"
a = flowfilter.parse(r"~u 'foobar\"\''")
assert a.expr == "foobar\"'"
a = flowfilter.parse(r'~u "foo \'bar"')
assert a.expr == "foo 'bar"
def test_nesting(self):
a = flowfilter.parse("(~u foobar & ~h voing)")
assert a.lst[0].expr == "foobar"
self._dump(a)
def test_not(self):
a = flowfilter.parse("!~h test")
assert a.itm.expr == "test"
a = flowfilter.parse("!(~u test & ~h bar)")
assert a.itm.lst[0].expr == "test"
self._dump(a)
def test_binaryops(self):
a = flowfilter.parse("~u foobar | ~h voing")
isinstance(a, flowfilter.FOr)
self._dump(a)
a = flowfilter.parse("~u foobar & ~h voing")
isinstance(a, flowfilter.FAnd)
self._dump(a)
def test_wideops(self):
a = flowfilter.parse("~hq 'header: qvalue'")
assert isinstance(a, flowfilter.FHeadRequest)
self._dump(a)
class TestMatchingHTTPFlow:
def req(self):
return tflow.tflow()
def resp(self):
return tflow.tflow(resp=True)
def err(self):
return tflow.tflow(err=True)
def q(self, q, o):
return flowfilter.parse(q)(o)
def test_http(self):
s = self.req()
assert self.q("~http", s)
assert not self.q("~tcp", s)
def test_asset(self):
s = self.resp()
assert not self.q("~a", s)
s.response.headers["content-type"] = "text/javascript"
assert self.q("~a", s)
def test_fcontenttype(self):
q = self.req()
s = self.resp()
assert not self.q("~t content", q)
assert not self.q("~t content", s)
q.request.headers["content-type"] = "text/json"
assert self.q("~t json", q)
assert self.q("~tq json", q)
assert not self.q("~ts json", q)
s.response.headers["content-type"] = "text/json"
assert self.q("~t json", s)
del s.response.headers["content-type"]
s.request.headers["content-type"] = "text/json"
assert self.q("~t json", s)
assert self.q("~tq json", s)
assert not self.q("~ts json", s)
def test_freq_fresp(self):
q = self.req()
s = self.resp()
assert self.q("~q", q)
assert not self.q("~q", s)
assert not self.q("~s", q)
assert self.q("~s", s)
def test_ferr(self):
e = self.err()
assert self.q("~e", e)
def test_fmarked(self):
q = self.req()
assert not self.q("~marked", q)
q.marked = True
assert self.q("~marked", q)
def test_head(self):
q = self.req()
s = self.resp()
assert not self.q("~h nonexistent", q)
assert self.q("~h qvalue", q)
assert self.q("~h header", q)
assert self.q("~h 'header: qvalue'", q)
assert self.q("~h 'header: qvalue'", s)
assert self.q("~h 'header-response: svalue'", s)
assert self.q("~hq 'header: qvalue'", s)
assert not self.q("~hq 'header-response: svalue'", s)
assert self.q("~hq 'header: qvalue'", q)
assert not self.q("~hq 'header-request: svalue'", q)
assert not self.q("~hs 'header: qvalue'", s)
assert self.q("~hs 'header-response: svalue'", s)
assert not self.q("~hs 'header: qvalue'", q)
def match_body(self, q, s):
assert not self.q("~b nonexistent", q)
assert self.q("~b content", q)
assert self.q("~b message", s)
assert not self.q("~bq nomatch", s)
assert self.q("~bq content", q)
assert self.q("~bq content", s)
assert not self.q("~bq message", q)
assert not self.q("~bq message", s)
assert not self.q("~bs nomatch", s)
assert not self.q("~bs content", q)
assert not self.q("~bs content", s)
assert not self.q("~bs message", q)
assert self.q("~bs message", s)
def test_body(self):
q = self.req()
s = self.resp()
self.match_body(q, s)
q.request.encode("gzip")
s.request.encode("gzip")
s.response.encode("gzip")
self.match_body(q, s)
def test_method(self):
q = self.req()
assert self.q("~m get", q)
assert not self.q("~m post", q)
q.request.method = "oink"
assert not self.q("~m get", q)
def test_domain(self):
q = self.req()
assert self.q("~d address", q)
assert not self.q("~d none", q)
def test_url(self):
q = self.req()
s = self.resp()
assert self.q("~u address", q)
assert self.q("~u address:22/path", q)
assert not self.q("~u moo/path", q)
q.request = None
assert not self.q("~u address", q)
assert self.q("~u address", s)
assert self.q("~u address:22/path", s)
assert not self.q("~u moo/path", s)
def test_code(self):
q = self.req()
s = self.resp()
assert not self.q("~c 200", q)
assert self.q("~c 200", s)
assert not self.q("~c 201", s)
def test_src(self):
q = self.req()
assert self.q("~src address", q)
assert not self.q("~src foobar", q)
assert self.q("~src :22", q)
assert not self.q("~src :99", q)
assert self.q("~src address:22", q)
q.client_conn.address = None
assert not self.q('~src address:22', q)
q.client_conn = None
assert not self.q('~src address:22', q)
def test_dst(self):
q = self.req()
q.server_conn = tflow.tserver_conn()
assert self.q("~dst address", q)
assert not self.q("~dst foobar", q)
assert self.q("~dst :22", q)
assert not self.q("~dst :99", q)
assert self.q("~dst address:22", q)
q.server_conn.address = None
assert not self.q('~dst address:22', q)
q.server_conn = None
assert not self.q('~dst address:22', q)
def test_and(self):
s = self.resp()
assert self.q("~c 200 & ~h head", s)
assert self.q("~c 200 & ~h head", s)
assert not self.q("~c 200 & ~h nohead", s)
assert self.q("(~c 200 & ~h head) & ~b content", s)
assert not self.q("(~c 200 & ~h head) & ~b nonexistent", s)
assert not self.q("(~c 200 & ~h nohead) & ~b content", s)
def test_or(self):
s = self.resp()
assert self.q("~c 200 | ~h nohead", s)
assert self.q("~c 201 | ~h head", s)
assert not self.q("~c 201 | ~h nohead", s)
assert self.q("(~c 201 | ~h nohead) | ~s", s)
def test_not(self):
s = self.resp()
assert not self.q("! ~c 200", s)
assert self.q("! ~c 201", s)
assert self.q("!~c 201 !~c 202", s)
assert not self.q("!~c 201 !~c 200", s)
class TestMatchingTCPFlow:
def flow(self):
return tflow.ttcpflow()
def err(self):
return tflow.ttcpflow(err=True)
def q(self, q, o):
return flowfilter.parse(q)(o)
def test_tcp(self):
f = self.flow()
assert self.q("~tcp", f)
assert not self.q("~http", f)
assert not self.q("~websocket", f)
def test_ferr(self):
e = self.err()
assert self.q("~e", e)
def test_body(self):
f = self.flow()
# Messages sent by client or server
assert self.q("~b hello", f)
assert self.q("~b me", f)
assert not self.q("~b nonexistent", f)
# Messages sent by client
assert self.q("~bq hello", f)
assert not self.q("~bq me", f)
assert not self.q("~bq nonexistent", f)
# Messages sent by server
assert self.q("~bs me", f)
assert not self.q("~bs hello", f)
assert not self.q("~bs nonexistent", f)
def test_src(self):
f = self.flow()
assert self.q("~src address", f)
assert not self.q("~src foobar", f)
assert self.q("~src :22", f)
assert not self.q("~src :99", f)
assert self.q("~src address:22", f)
def test_dst(self):
f = self.flow()
f.server_conn = tflow.tserver_conn()
assert self.q("~dst address", f)
assert not self.q("~dst foobar", f)
assert self.q("~dst :22", f)
assert not self.q("~dst :99", f)
assert self.q("~dst address:22", f)
def test_and(self):
f = self.flow()
f.server_conn = tflow.tserver_conn()
assert self.q("~b hello & ~b me", f)
assert not self.q("~src wrongaddress & ~b hello", f)
assert self.q("(~src :22 & ~dst :22) & ~b hello", f)
assert not self.q("(~src address:22 & ~dst :22) & ~b nonexistent", f)
assert not self.q("(~src address:22 & ~dst :99) & ~b hello", f)
def test_or(self):
f = self.flow()
f.server_conn = tflow.tserver_conn()
assert self.q("~b hello | ~b me", f)
assert self.q("~src :22 | ~b me", f)
assert not self.q("~src :99 | ~dst :99", f)
assert self.q("(~src :22 | ~dst :22) | ~b me", f)
def test_not(self):
f = self.flow()
assert not self.q("! ~src :22", f)
assert self.q("! ~src :99", f)
assert self.q("!~src :99 !~src :99", f)
assert not self.q("!~src :99 !~src :22", f)
def test_request(self):
f = self.flow()
assert not self.q("~q", f)
def test_response(self):
f = self.flow()
assert not self.q("~s", f)
def test_headers(self):
f = self.flow()
assert not self.q("~h whatever", f)
# Request headers
assert not self.q("~hq whatever", f)
# Response headers
assert not self.q("~hs whatever", f)
def test_content_type(self):
f = self.flow()
assert not self.q("~t whatever", f)
# Request content-type
assert not self.q("~tq whatever", f)
# Response content-type
assert not self.q("~ts whatever", f)
def test_code(self):
f = self.flow()
assert not self.q("~c 200", f)
def test_domain(self):
f = self.flow()
assert not self.q("~d whatever", f)
def test_method(self):
f = self.flow()
assert not self.q("~m whatever", f)
def test_url(self):
f = self.flow()
assert not self.q("~u whatever", f)
class TestMatchingWebSocketFlow:
def flow(self):
return tflow.twebsocketflow()
def err(self):
return tflow.twebsocketflow(err=True)
def q(self, q, o):
return flowfilter.parse(q)(o)
def test_websocket(self):
f = self.flow()
assert self.q("~websocket", f)
assert not self.q("~tcp", f)
assert not self.q("~http", f)
def test_ferr(self):
e = self.err()
assert self.q("~e", e)
def test_body(self):
f = self.flow()
# Messages sent by client or server
assert self.q("~b hello", f)
assert self.q("~b me", f)
assert not self.q("~b nonexistent", f)
# Messages sent by client
assert self.q("~bq hello", f)
assert not self.q("~bq me", f)
assert not self.q("~bq nonexistent", f)
# Messages sent by server
assert self.q("~bs me", f)
assert not self.q("~bs hello", f)
assert not self.q("~bs nonexistent", f)
def test_src(self):
f = self.flow()
assert self.q("~src address", f)
assert not self.q("~src foobar", f)
assert self.q("~src :22", f)
assert not self.q("~src :99", f)
assert self.q("~src address:22", f)
def test_dst(self):
f = self.flow()
f.server_conn = tflow.tserver_conn()
assert self.q("~dst address", f)
assert not self.q("~dst foobar", f)
assert self.q("~dst :22", f)
assert not self.q("~dst :99", f)
assert self.q("~dst address:22", f)
def test_and(self):
f = self.flow()
f.server_conn = tflow.tserver_conn()
assert self.q("~b hello & ~b me", f)
assert not self.q("~src wrongaddress & ~b hello", f)
assert self.q("(~src :22 & ~dst :22) & ~b hello", f)
assert not self.q("(~src address:22 & ~dst :22) & ~b nonexistent", f)
assert not self.q("(~src address:22 & ~dst :99) & ~b hello", f)
def test_or(self):
f = self.flow()
f.server_conn = tflow.tserver_conn()
assert self.q("~b hello | ~b me", f)
assert self.q("~src :22 | ~b me", f)
assert not self.q("~src :99 | ~dst :99", f)
assert self.q("(~src :22 | ~dst :22) | ~b me", f)
def test_not(self):
f = self.flow()
assert not self.q("! ~src :22", f)
assert self.q("! ~src :99", f)
assert self.q("!~src :99 !~src :99", f)
assert not self.q("!~src :99 !~src :22", f)
class TestMatchingDummyFlow:
def flow(self):
return tflow.tdummyflow()
def err(self):
return tflow.tdummyflow(err=True)
def q(self, q, o):
return flowfilter.parse(q)(o)
def test_filters(self):
e = self.err()
f = self.flow()
f.server_conn = tflow.tserver_conn()
assert not self.q("~a", f)
assert not self.q("~b whatever", f)
assert not self.q("~bq whatever", f)
assert not self.q("~bs whatever", f)
assert not self.q("~c 0", f)
assert not self.q("~d whatever", f)
assert self.q("~dst address", f)
assert not self.q("~dst nonexistent", f)
assert self.q("~e", e)
assert not self.q("~e", f)
assert not self.q("~http", f)
assert not self.q("~tcp", f)
assert not self.q("~websocket", f)
assert not self.q("~h whatever", f)
assert not self.q("~hq whatever", f)
assert not self.q("~hs whatever", f)
assert not self.q("~m whatever", f)
assert not self.q("~s", f)
assert self.q("~src address", f)
assert not self.q("~src nonexistent", f)
assert not self.q("~tcp", f)
assert not self.q("~t whatever", f)
assert not self.q("~tq whatever", f)
assert not self.q("~ts whatever", f)
assert not self.q("~u whatever", f)
assert not self.q("~q", f)
@patch('traceback.extract_tb')
def test_pyparsing_bug(extract_tb):
"""https://github.com/mitmproxy/mitmproxy/issues/1087"""
# The text is a string with leading and trailing whitespace stripped; if the source is not available it is None.
extract_tb.return_value = [("", 1, "test", None)]
assert flowfilter.parse("test")
def test_match():
with pytest.raises(ValueError):
flowfilter.match('[foobar', None)
assert flowfilter.match(None, None)
assert not flowfilter.match('foobar', None)
|
