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import platform
import typing
from functools import lru_cache
import urwid
import urwid.util
from mitmproxy.utils import human
# Detect Windows Subsystem for Linux
IS_WSL = "Microsoft" in platform.platform()
def is_keypress(k):
"""
Is this input event a keypress?
"""
if isinstance(k, str):
return True
def highlight_key(str, key, textattr="text", keyattr="key"):
l = []
parts = str.split(key, 1)
if parts[0]:
l.append((textattr, parts[0]))
l.append((keyattr, key))
if parts[1]:
l.append((textattr, parts[1]))
return l
KEY_MAX = 30
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.
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 = []
for k, v in entries:
if v is None:
v = urwid.Text("")
elif not isinstance(v, urwid.Widget):
v = urwid.Text([(value_format, v)])
ret.append(
urwid.Columns(
[
("fixed", indent, urwid.Text("")),
(
"fixed",
max_key_len,
urwid.Text([(key_format, k)])
),
v
],
dividechars=2
)
)
return ret
def fcol(s, attr):
s = str(s)
return (
"fixed",
len(s),
urwid.Text(
[
(attr, s)
]
)
)
if urwid.util.detected_encoding and not IS_WSL:
SYMBOL_REPLAY = u"\u21ba"
SYMBOL_RETURN = u"\u2190"
SYMBOL_MARK = u"\u25cf"
SYMBOL_UP = u"\u21E7"
SYMBOL_DOWN = u"\u21E9"
else:
SYMBOL_REPLAY = u"[r]"
SYMBOL_RETURN = u"<-"
SYMBOL_MARK = "[m]"
SYMBOL_UP = "^"
SYMBOL_DOWN = " "
@lru_cache(maxsize=800)
def raw_format_flow(f, flow):
f = dict(f)
pile = []
req = []
if f["extended"]:
req.append(
fcol(
human.format_timestamp(f["req_timestamp"]),
"highlight"
)
)
else:
req.append(fcol(">>" if f["focus"] else " ", "focus"))
if f["marked"]:
req.append(fcol(SYMBOL_MARK, "mark"))
if f["req_is_replay"]:
req.append(fcol(SYMBOL_REPLAY, "replay"))
pushed = ' PUSH_PROMISE' if 'h2-pushed-stream' in flow.metadata else ''
req.append(fcol(f["req_method"] + pushed, "method"))
preamble = sum(i[1] for i in req) + len(req) - 1
if f["intercepted"] and not f["acked"]:
uc = "intercept"
elif "resp_code" in f or "err_msg" in f:
uc = "text"
else:
uc = "title"
url = f["req_url"]
if f["max_url_len"] and len(url) > f["max_url_len"]:
url = url[:f["max_url_len"]] + "…"
if f["req_http_version"] not in ("HTTP/1.0", "HTTP/1.1"):
url += " " + f["req_http_version"]
req.append(
urwid.Text([(uc, url)])
)
pile.append(urwid.Columns(req, dividechars=1))
resp = []
resp.append(
("fixed", preamble, urwid.Text(""))
)
if "resp_code" in f:
codes = {
2: "code_200",
3: "code_300",
4: "code_400",
5: "code_500",
}
ccol = codes.get(f["resp_code"] // 100, "code_other")
resp.append(fcol(SYMBOL_RETURN, ccol))
if f["resp_is_replay"]:
resp.append(fcol(SYMBOL_REPLAY, "replay"))
resp.append(fcol(f["resp_code"], ccol))
if f["extended"]:
resp.append(fcol(f["resp_reason"], ccol))
if f["intercepted"] and f["resp_code"] and not f["acked"]:
rc = "intercept"
else:
rc = "text"
if f["resp_ctype"]:
resp.append(fcol(f["resp_ctype"], rc))
resp.append(fcol(f["resp_clen"], rc))
resp.append(fcol(f["roundtrip"], rc))
elif f["err_msg"]:
resp.append(fcol(SYMBOL_RETURN, "error"))
resp.append(
urwid.Text([
(
"error",
f["err_msg"]
)
])
)
pile.append(urwid.Columns(resp, dividechars=1))
return urwid.Pile(pile)
def format_flow(f, focus, extended=False, hostheader=False, max_url_len=False):
acked = False
if f.reply and f.reply.state == "committed":
acked = True
d = dict(
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:
if f.response.raw_content:
contentdesc = human.pretty_size(len(f.response.raw_content))
elif f.response.raw_content is None:
contentdesc = "[content missing]"
else:
contentdesc = "[no content]"
duration = 0
if f.response.timestamp_end and f.request.timestamp_start:
duration = f.response.timestamp_end - f.request.timestamp_start
roundtrip = human.pretty_duration(duration)
d.update(dict(
resp_code=f.response.status_code,
resp_reason=f.response.reason,
resp_is_replay=f.response.is_replay,
resp_clen=contentdesc,
roundtrip=roundtrip,
))
t = f.response.headers.get("content-type")
if t:
d["resp_ctype"] = t.split(";")[0]
else:
d["resp_ctype"] = ""
return raw_format_flow(tuple(sorted(d.items())), f)
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