1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
# Copyright 2014-2019 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/>.
"""QtWebKit specific qute://* handlers and glue code."""
from PyQt5.QtCore import QUrl
from PyQt5.QtNetwork import QNetworkReply, QNetworkAccessManager
from qutebrowser.browser import qutescheme
from qutebrowser.browser.webkit.network import networkreply
from qutebrowser.utils import log, qtutils
def handler(request, operation, current_url):
"""Scheme handler for qute:// URLs.
Args:
request: QNetworkRequest to answer to.
operation: The HTTP operation being done.
current_url: The page we're on currently.
Return:
A QNetworkReply.
"""
if operation != QNetworkAccessManager.GetOperation:
return networkreply.ErrorNetworkReply(
request, "Unsupported request type",
QNetworkReply.ContentOperationNotPermittedError)
url = request.url()
if ((url.scheme(), url.host(), url.path()) ==
('qute', 'settings', '/set')):
if current_url != QUrl('qute://settings/'):
log.webview.warning("Blocking malicious request from {} to {}"
.format(current_url.toDisplayString(),
url.toDisplayString()))
return networkreply.ErrorNetworkReply(
request, "Invalid qute://settings request",
QNetworkReply.ContentAccessDenied)
try:
mimetype, data = qutescheme.data_for_url(url)
except qutescheme.Error as e:
errors = {
qutescheme.NotFoundError:
QNetworkReply.ContentNotFoundError,
qutescheme.UrlInvalidError:
QNetworkReply.ContentOperationNotPermittedError,
qutescheme.RequestDeniedError:
QNetworkReply.ContentAccessDenied,
qutescheme.SchemeOSError:
QNetworkReply.ContentNotFoundError,
qutescheme.Error:
QNetworkReply.InternalServerError,
}
exctype = type(e)
log.misc.error("{} while handling qute://* URL".format(
exctype.__name__))
return networkreply.ErrorNetworkReply(request, str(e), errors[exctype])
except qutescheme.Redirect as e:
qtutils.ensure_valid(e.url)
return networkreply.RedirectNetworkReply(e.url)
return networkreply.FixedDataNetworkReply(request, data, mimetype)
|
