qutebrowser/qutebrowser/browser/cookies.py
Alexander Cogneau d36c701b07 Fixed comments
2015-09-04 11:44:59 +02:00

118 lines
3.8 KiB
Python

# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
# Copyright 2014-2015 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
#
# This file is part of qutebrowser.
#
# qutebrowser is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# qutebrowser is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with qutebrowser. If not, see <http://www.gnu.org/licenses/>.
"""Handling of HTTP cookies."""
from PyQt5.QtNetwork import QNetworkCookie, QNetworkCookieJar
from PyQt5.QtCore import pyqtSignal, QDateTime
from qutebrowser.config import config
from qutebrowser.utils import utils, standarddir, objreg
from qutebrowser.misc import lineparser
class RAMCookieJar(QNetworkCookieJar):
"""An in-RAM cookie jar.
Signals:
changed: Emitted when the cookie store was changed.
"""
changed = pyqtSignal()
def __init__(self, parent=None):
super().__init__(parent)
def __repr__(self):
return utils.get_repr(self, count=len(self.allCookies()))
def setCookiesFromUrl(self, cookies, url):
"""Add the cookies in the cookies list to this cookie jar.
Args:
cookies: A list of QNetworkCookies.
url: The URL to set the cookies for.
Return:
True if one or more cookies are set for 'url', otherwise False.
"""
if config.get('content', 'cookies-accept') == 'never':
return False
else:
self.changed.emit()
return super().setCookiesFromUrl(cookies, url)
class CookieJar(RAMCookieJar):
"""A cookie jar saving cookies to disk.
Attributes:
_lineparser: The LineParser managing the cookies file.
"""
def __init__(self, parent=None, *, line_parser=None):
super().__init__(parent)
if line_parser:
self._lineparser = line_parser
else:
self._lineparser = lineparser.LineParser(
standarddir.data(), 'cookies', binary=True, parent=self)
self.parse_cookies()
objreg.get('config').changed.connect(self.cookies_store_changed)
objreg.get('save-manager').add_saveable(
'cookies', self.save, self.changed,
config_opt=('content', 'cookies-store'))
def parse_cookies(self):
"""Parse cookies from lineparser and store them."""
cookies = []
for line in self._lineparser:
cookies += QNetworkCookie.parseCookies(line)
self.setAllCookies(cookies)
def purge_old_cookies(self):
"""Purge expired cookies from the cookie jar."""
# Based on:
# http://doc.qt.io/qt-5/qtwebkitexamples-webkitwidgets-browser-cookiejar-cpp.html
now = QDateTime.currentDateTime()
cookies = [c for c in self.allCookies()
if c.isSessionCookie() or c.expirationDate() >= now]
self.setAllCookies(cookies)
def save(self):
"""Save cookies to disk."""
self.purge_old_cookies()
lines = []
for cookie in self.allCookies():
if not cookie.isSessionCookie():
lines.append(cookie.toRawForm())
self._lineparser.data = lines
self._lineparser.save()
@config.change_filter('content', 'cookies-store')
def cookies_store_changed(self):
"""Delete stored cookies if cookies-store changed."""
if not config.get('content', 'cookies-store'):
self._lineparser.data = []
self._lineparser.save()
self.changed.emit()