Merge pull request #2759 from mhils/issue-1833

Fix #1833, clean up common.format_keyvals
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Maximilian Hils 2018-01-05 20:26:57 +01:00 committed by GitHub
commit 1c769b0991
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13 changed files with 183 additions and 147 deletions

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@ -43,9 +43,11 @@ def format_dict(
) -> typing.Iterator[TViewLine]:
"""
Helper function that transforms the given dictionary into a list of
[
("key", key )
("value", value)
tuples, where key is padded to a uniform width.
]
entries, where key is padded to a uniform width.
"""
max_key_len = max(len(k) for k in d.keys())
max_key_len = min(max_key_len, KEY_MAX)

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@ -53,8 +53,8 @@ def twebsocketflow(client_conn=True, server_conn=True, messages=True, err=None,
sec_websocket_version="13",
sec_websocket_key="1234",
),
timestamp_start=1,
timestamp_end=2,
timestamp_start=946681200,
timestamp_end=946681201,
content=b''
)
resp = http.HTTPResponse(
@ -66,8 +66,8 @@ def twebsocketflow(client_conn=True, server_conn=True, messages=True, err=None,
upgrade='websocket',
sec_websocket_accept=b'',
),
timestamp_start=1,
timestamp_end=2,
timestamp_start=946681202,
timestamp_end=946681203,
content=b'',
)
handshake_flow = http.HTTPFlow(client_conn, server_conn)
@ -158,9 +158,9 @@ def tclient_conn():
clientcert=None,
mitmcert=None,
ssl_established=False,
timestamp_start=1,
timestamp_ssl_setup=2,
timestamp_end=3,
timestamp_start=946681200,
timestamp_ssl_setup=946681201,
timestamp_end=946681206,
sni="address",
cipher_name="cipher",
alpn_proto_negotiated=b"http/1.1",
@ -182,10 +182,10 @@ def tserver_conn():
source_address=("address", 22),
ip_address=("192.168.0.1", 22),
cert=None,
timestamp_start=1,
timestamp_tcp_setup=2,
timestamp_ssl_setup=3,
timestamp_end=4,
timestamp_start=946681202,
timestamp_tcp_setup=946681203,
timestamp_ssl_setup=946681204,
timestamp_end=946681205,
ssl_established=False,
sni="address",
alpn_proto_negotiated=None,

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@ -31,8 +31,8 @@ def treq(**kwargs):
http_version=b"HTTP/1.1",
headers=http.Headers(((b"header", b"qvalue"), (b"content-length", b"7"))),
content=b"content",
timestamp_start=1,
timestamp_end=2,
timestamp_start=946681200,
timestamp_end=946681201,
)
default.update(kwargs)
return http.Request(**default)
@ -49,8 +49,8 @@ def tresp(**kwargs):
reason=b"OK",
headers=http.Headers(((b"header-response", b"svalue"), (b"content-length", b"7"))),
content=b"message",
timestamp_start=1,
timestamp_end=2,
timestamp_start=946681202,
timestamp_end=946681203,
)
default.update(kwargs)
return http.Response(**default)

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@ -1,9 +1,10 @@
import platform
import typing
from functools import lru_cache
import urwid
import urwid.util
from functools import lru_cache
from mitmproxy.utils import human
# Detect Windows Subsystem for Linux
@ -43,35 +44,42 @@ def highlight_key(str, key, textattr="text", keyattr="key"):
KEY_MAX = 30
def format_keyvals(lst, key="key", val="text", indent=0):
def format_keyvals(
entries: typing.List[typing.Tuple[str, typing.Union[None, str, urwid.Widget]]],
key_format: str = "key",
value_format: str = "text",
indent: int = 0
) -> typing.List[urwid.Columns]:
"""
Format a list of (key, value) tuples.
If key is None, it's treated specially:
- We assume a sub-value, and add an extra indent.
- The value is treated as a pre-formatted list of directives.
Args:
entries: The list to format. keys must be strings, values can also be None or urwid widgets.
The latter makes it possible to use the result of format_keyvals() as a value.
key_format: The display attribute for the key.
value_format: The display attribute for the value.
indent: Additional indent to apply.
"""
max_key_len = max((len(k) for k, v in entries if k is not None), default=0)
max_key_len = min(max_key_len, KEY_MAX)
if indent > 2:
indent -= 2 # We use dividechars=2 below, which already adds two empty spaces
ret = []
if lst:
maxk = min(max(len(i[0]) for i in lst if i and i[0]), KEY_MAX)
for i, kv in enumerate(lst):
if kv is None:
ret.append(urwid.Text(""))
else:
if isinstance(kv[1], urwid.Widget):
v = kv[1]
elif kv[1] is None:
for k, v in entries:
if v is None:
v = urwid.Text("")
else:
v = urwid.Text([(val, kv[1])])
elif not isinstance(v, urwid.Widget):
v = urwid.Text([(value_format, v)])
ret.append(
urwid.Columns(
[
("fixed", indent, urwid.Text("")),
(
"fixed",
maxk,
urwid.Text([(key, kv[0] or "")])
max_key_len,
urwid.Text([(key_format, k)])
),
v
],
@ -205,18 +213,14 @@ def format_flow(f, focus, extended=False, hostheader=False, max_url_len=False):
focus=focus,
extended=extended,
max_url_len=max_url_len,
intercepted=f.intercepted,
acked=acked,
req_timestamp=f.request.timestamp_start,
req_is_replay=f.request.is_replay,
req_method=f.request.method,
req_url=f.request.pretty_url if hostheader else f.request.url,
req_http_version=f.request.http_version,
err_msg=f.error.msg if f.error else None,
marked=f.marked,
)
if f.response:

View File

@ -59,7 +59,7 @@ def map(km):
km.add("M", "view.marked.toggle", ["flowlist"], "Toggle viewing marked flows")
km.add(
"n",
"console.command view.create get https://google.com",
"console.command view.create get https://example.com/",
["flowlist"],
"Create a new flow"
)

View File

@ -23,157 +23,157 @@ def flowdetails(state, flow: http.HTTPFlow):
metadata = flow.metadata
if metadata is not None and len(metadata) > 0:
parts = [[str(k), repr(v)] for k, v in metadata.items()]
parts = [(str(k), repr(v)) for k, v in metadata.items()]
text.append(urwid.Text([("head", "Metadata:")]))
text.extend(common.format_keyvals(parts, key="key", val="text", indent=4))
text.extend(common.format_keyvals(parts, indent=4))
if sc is not None and sc.ip_address:
text.append(urwid.Text([("head", "Server Connection:")]))
parts = [
["Address", human.format_address(sc.address)],
("Address", human.format_address(sc.address)),
]
if sc.ip_address:
parts.append(["Resolved Address", human.format_address(sc.ip_address)])
parts.append(("Resolved Address", human.format_address(sc.ip_address)))
if resp:
parts.append(["HTTP Version", resp.http_version])
parts.append(("HTTP Version", resp.http_version))
if sc.alpn_proto_negotiated:
parts.append(["ALPN", sc.alpn_proto_negotiated])
parts.append(("ALPN", sc.alpn_proto_negotiated))
text.extend(
common.format_keyvals(parts, key="key", val="text", indent=4)
common.format_keyvals(parts, indent=4)
)
c = sc.cert
if c:
text.append(urwid.Text([("head", "Server Certificate:")]))
parts = [
["Type", "%s, %s bits" % c.keyinfo],
["SHA1 digest", c.digest("sha1")],
["Valid to", str(c.notafter)],
["Valid from", str(c.notbefore)],
["Serial", str(c.serial)],
[
("Type", "%s, %s bits" % c.keyinfo),
("SHA1 digest", c.digest("sha1")),
("Valid to", str(c.notafter)),
("Valid from", str(c.notbefore)),
("Serial", str(c.serial)),
(
"Subject",
urwid.BoxAdapter(
urwid.ListBox(
common.format_keyvals(
c.subject,
key="highlight",
val="text"
key_format="highlight"
)
),
len(c.subject)
)
],
[
),
(
"Issuer",
urwid.BoxAdapter(
urwid.ListBox(
common.format_keyvals(
c.issuer, key="highlight", val="text"
c.issuer,
key_format="highlight"
)
),
len(c.issuer)
)
]
)
]
if c.altnames:
parts.append(
[
(
"Alt names",
", ".join(strutils.bytes_to_escaped_str(x) for x in c.altnames)
]
)
)
text.extend(
common.format_keyvals(parts, key="key", val="text", indent=4)
common.format_keyvals(parts, indent=4)
)
if cc is not None:
text.append(urwid.Text([("head", "Client Connection:")]))
parts = [
["Address", "{}:{}".format(cc.address[0], cc.address[1])],
("Address", "{}:{}".format(cc.address[0], cc.address[1])),
]
if req:
parts.append(["HTTP Version", req.http_version])
parts.append(("HTTP Version", req.http_version))
if cc.tls_version:
parts.append(["TLS Version", cc.tls_version])
parts.append(("TLS Version", cc.tls_version))
if cc.sni:
parts.append(["Server Name Indication", cc.sni])
parts.append(("Server Name Indication", cc.sni))
if cc.cipher_name:
parts.append(["Cipher Name", cc.cipher_name])
parts.append(("Cipher Name", cc.cipher_name))
if cc.alpn_proto_negotiated:
parts.append(["ALPN", cc.alpn_proto_negotiated])
parts.append(("ALPN", cc.alpn_proto_negotiated))
text.extend(
common.format_keyvals(parts, key="key", val="text", indent=4)
common.format_keyvals(parts, indent=4)
)
parts = []
if cc is not None and cc.timestamp_start:
parts.append(
[
(
"Client conn. established",
maybe_timestamp(cc, "timestamp_start")
]
)
)
if cc.ssl_established:
parts.append(
[
(
"Client conn. TLS handshake",
maybe_timestamp(cc, "timestamp_ssl_setup")
]
)
)
if sc is not None and sc.timestamp_start:
parts.append(
[
(
"Server conn. initiated",
maybe_timestamp(sc, "timestamp_start")
]
)
)
parts.append(
[
(
"Server conn. TCP handshake",
maybe_timestamp(sc, "timestamp_tcp_setup")
]
)
)
if sc.ssl_established:
parts.append(
[
(
"Server conn. TLS handshake",
maybe_timestamp(sc, "timestamp_ssl_setup")
]
)
)
if req is not None and req.timestamp_start:
parts.append(
[
(
"First request byte",
maybe_timestamp(req, "timestamp_start")
]
)
)
parts.append(
[
(
"Request complete",
maybe_timestamp(req, "timestamp_end")
]
)
)
if resp is not None and resp.timestamp_start:
parts.append(
[
(
"First response byte",
maybe_timestamp(resp, "timestamp_start")
]
)
)
parts.append(
[
(
"Response complete",
maybe_timestamp(resp, "timestamp_end")
]
)
)
if parts:
@ -181,6 +181,6 @@ def flowdetails(state, flow: http.HTTPFlow):
parts = sorted(parts, key=lambda p: p[1])
text.append(urwid.Text([("head", "Timing:")]))
text.extend(common.format_keyvals(parts, key="key", val="text", indent=4))
text.extend(common.format_keyvals(parts, indent=4))
return searchable.Searchable(text)

View File

@ -13,6 +13,7 @@ from mitmproxy.tools.console import flowdetailview
from mitmproxy.tools.console import searchable
from mitmproxy.tools.console import tabs
import mitmproxy.tools.console.master # noqa
from mitmproxy.utils import strutils
class SearchError(Exception):
@ -152,10 +153,31 @@ class FlowDetails(tabs.Tabs):
def conn_text(self, conn):
if conn:
hdrs = []
for k, v in conn.headers.fields:
# This will always force an ascii representation of headers. For example, if the server sends a
#
# X-Authors: Made with ❤ in Hamburg
#
# header, mitmproxy will display the following:
#
# X-Authors: Made with \xe2\x9d\xa4 in Hamburg.
#
# The alternative would be to just use the header's UTF-8 representation and maybe
# do `str.replace("\t", "\\t")` to exempt tabs from urwid's special characters escaping [1].
# That would in some terminals allow rendering UTF-8 characters, but the mapping
# wouldn't be bijective, i.e. a user couldn't distinguish "\\t" and "\t".
# Also, from a security perspective, a mitmproxy user couldn't be fooled by homoglyphs.
#
# 1) https://github.com/mitmproxy/mitmproxy/issues/1833
# https://github.com/urwid/urwid/blob/6608ee2c9932d264abd1171468d833b7a4082e13/urwid/display_common.py#L35-L36,
k = strutils.bytes_to_escaped_str(k) + ":"
v = strutils.bytes_to_escaped_str(v)
hdrs.append((k, v))
txt = common.format_keyvals(
[(h + ":", v) for (h, v) in conn.headers.items(multi=True)],
key = "header",
val = "text"
hdrs,
key_format="header"
)
viewmode = self.master.commands.call("console.flowview.mode")
msg, body = self.content_view(viewmode, conn)

View File

@ -76,7 +76,7 @@ class HelpView(tabs.Tabs, layoutwidget.LayoutWidget):
def filtexp(self):
text = []
text.extend(common.format_keyvals(flowfilter.help, key="key", val="text", indent=4))
text.extend(common.format_keyvals(flowfilter.help, indent=4))
text.append(
urwid.Text(
[
@ -96,7 +96,7 @@ class HelpView(tabs.Tabs, layoutwidget.LayoutWidget):
("!(~q & ~t \"text/html\")", "Anything but requests with a text/html content type."),
]
text.extend(
common.format_keyvals(examples, key="key", val="text", indent=4)
common.format_keyvals(examples, indent=4)
)
return CListBox(text)

View File

@ -23,8 +23,8 @@ def test_extract():
["request.text", "content"],
["request.content", b"content"],
["request.raw_content", b"content"],
["request.timestamp_start", "1"],
["request.timestamp_end", "2"],
["request.timestamp_start", "946681200"],
["request.timestamp_end", "946681201"],
["request.header[header]", "qvalue"],
["response.status_code", "200"],
@ -33,8 +33,8 @@ def test_extract():
["response.content", b"message"],
["response.raw_content", b"message"],
["response.header[header-response]", "svalue"],
["response.timestamp_start", "1"],
["response.timestamp_end", "2"],
["response.timestamp_start", "946681202"],
["response.timestamp_end", "946681203"],
["client_conn.address.port", "22"],
["client_conn.address.host", "127.0.0.1"],
@ -49,10 +49,9 @@ def test_extract():
["server_conn.sni", "address"],
["server_conn.ssl_established", "false"],
]
for t in tests:
ret = cut.extract(t[0], tf)
if ret != t[1]:
raise AssertionError("%s: Expected %s, got %s" % (t[0], t[1], ret))
for spec, expected in tests:
ret = cut.extract(spec, tf)
assert spec and ret == expected
with open(tutils.test_data.path("mitmproxy/net/data/text_cert"), "rb") as f:
d = f.read()

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@ -41,7 +41,7 @@ def test_order_generators():
tf = tflow.tflow(resp=True)
rs = view.OrderRequestStart(v)
assert rs.generate(tf) == 1
assert rs.generate(tf) == 946681200
rm = view.OrderRequestMethod(v)
assert rm.generate(tf) == tf.request.method

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@ -150,10 +150,10 @@ class TestResponseUtils:
n = time.time()
r.headers["date"] = email.utils.formatdate(n)
pre = r.headers["date"]
r.refresh(1)
r.refresh(946681202)
assert pre == r.headers["date"]
r.refresh(61)
r.refresh(946681262)
d = email.utils.parsedate_tz(r.headers["date"])
d = email.utils.mktime_tz(d)
# Weird that this is not exact...

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@ -1,12 +1,34 @@
import urwid
from mitmproxy.test import tflow
from mitmproxy.tools.console import common
from ....conftest import skip_appveyor
@skip_appveyor
def test_format_flow():
f = tflow.tflow(resp=True)
assert common.format_flow(f, True)
assert common.format_flow(f, True, hostheader=True)
assert common.format_flow(f, True, extended=True)
def test_format_keyvals():
assert common.format_keyvals(
[
("aa", "bb"),
("cc", "dd"),
("ee", None),
]
)
wrapped = urwid.BoxAdapter(
urwid.ListBox(
urwid.SimpleFocusListWalker(
common.format_keyvals([("foo", "bar")])
)
), 1
)
assert wrapped.render((30, ))
assert common.format_keyvals(
[
("aa", wrapped)
]
)

View File

@ -4,22 +4,9 @@ from mitmproxy import options
from mitmproxy.test import tflow
from mitmproxy.test import tutils
from mitmproxy.tools import console
from mitmproxy.tools.console import common
from ... import tservers
def test_format_keyvals():
assert common.format_keyvals(
[
("aa", "bb"),
None,
("cc", "dd"),
(None, "dd"),
(None, "dd"),
]
)
def test_options():
assert options.Options(replay_kill_extra=True)