mirror of
https://github.com/Grasscutters/mitmproxy.git
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a5c4cd0340
This makes MultiDictView work with a simple getter/setter pair, rather than using attributes with implicit leading underscores. Also move MultiDictView into multidict.py and adds some simple unit tests.
135 lines
4.1 KiB
Python
135 lines
4.1 KiB
Python
from __future__ import absolute_import, print_function, division
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from email.utils import parsedate_tz, formatdate, mktime_tz
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import time
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from . import cookies
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from .headers import Headers
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from .message import Message, _native, _always_bytes, MessageData
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from ..multidict import MultiDictView
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from .. import utils
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class ResponseData(MessageData):
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def __init__(self, http_version, status_code, reason=None, headers=None, content=None,
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timestamp_start=None, timestamp_end=None):
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if not isinstance(headers, Headers):
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headers = Headers(headers)
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self.http_version = http_version
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self.status_code = status_code
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self.reason = reason
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self.headers = headers
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self.content = content
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self.timestamp_start = timestamp_start
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self.timestamp_end = timestamp_end
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class Response(Message):
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"""
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An HTTP response.
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"""
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def __init__(self, *args, **kwargs):
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self.data = ResponseData(*args, **kwargs)
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def __repr__(self):
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if self.content:
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details = "{}, {}".format(
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self.headers.get("content-type", "unknown content type"),
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utils.pretty_size(len(self.content))
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)
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else:
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details = "no content"
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return "Response({status_code} {reason}, {details})".format(
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status_code=self.status_code,
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reason=self.reason,
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details=details
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)
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@property
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def status_code(self):
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"""
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HTTP Status Code, e.g. ``200``.
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"""
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return self.data.status_code
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@status_code.setter
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def status_code(self, status_code):
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self.data.status_code = status_code
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@property
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def reason(self):
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"""
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HTTP Reason Phrase, e.g. "Not Found".
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This is always :py:obj:`None` for HTTP2 requests, because HTTP2 responses do not contain a reason phrase.
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"""
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return _native(self.data.reason)
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@reason.setter
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def reason(self, reason):
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self.data.reason = _always_bytes(reason)
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@property
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def cookies(self):
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# type: () -> MultiDictView
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"""
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The response cookies. A possibly empty :py:class:`MultiDictView`, where the keys are
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cookie name strings, and values are (value, attr) tuples. Value is a string, and attr is
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an ODictCaseless containing cookie attributes. Within attrs, unary attributes (e.g. HTTPOnly)
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are indicated by a Null value.
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Caveats:
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Updating the attr
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"""
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return MultiDictView(
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self._get_cookies,
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self._set_cookies
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)
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def _get_cookies(self):
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h = self.headers.get_all("set-cookie")
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return tuple(cookies.parse_set_cookie_headers(h))
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def _set_cookies(self, value):
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cookie_headers = []
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for k, v in value:
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header = cookies.format_set_cookie_header(k, v[0], v[1])
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cookie_headers.append(header)
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self.headers.set_all("set-cookie", cookie_headers)
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@cookies.setter
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def cookies(self, value):
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self._set_cookies(value)
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def refresh(self, now=None):
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"""
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This fairly complex and heuristic function refreshes a server
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response for replay.
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- It adjusts date, expires and last-modified headers.
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- It adjusts cookie expiration.
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"""
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if not now:
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now = time.time()
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delta = now - self.timestamp_start
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refresh_headers = [
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"date",
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"expires",
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"last-modified",
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]
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for i in refresh_headers:
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if i in self.headers:
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d = parsedate_tz(self.headers[i])
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if d:
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new = mktime_tz(d) + delta
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self.headers[i] = formatdate(new)
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c = []
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for set_cookie_header in self.headers.get_all("set-cookie"):
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try:
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refreshed = cookies.refresh_set_cookie_header(set_cookie_header, delta)
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except ValueError:
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refreshed = set_cookie_header
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c.append(refreshed)
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if c:
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self.headers.set_all("set-cookie", c)
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