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# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
# Copyright 2014-2017 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."""
import mimetypes
from PyQt5.QtNetwork import QNetworkReply
from qutebrowser.browser import pdfjs, qutescheme
from qutebrowser.browser.webkit.network import schemehandler, networkreply
from qutebrowser.utils import log, usertypes, qtutils
class QuteSchemeHandler(schemehandler.SchemeHandler):
"""Scheme handler for qute:// URLs."""
def createRequest(self, _op, request, _outgoing_data):
"""Create a new request.
Args:
request: const QNetworkRequest & req
_op: Operation op
_outgoing_data: QIODevice * outgoingData
Return:
A QNetworkReply.
"""
try:
mimetype, data = qutescheme.data_for_url(request.url())
except qutescheme.NoHandlerFound:
errorstr = "No handler found for {}!".format(
request.url().toDisplayString())
return networkreply.ErrorNetworkReply(
request, errorstr, QNetworkReply.ContentNotFoundError,
self.parent())
except qutescheme.QuteSchemeOSError as e:
return networkreply.ErrorNetworkReply(
request, str(e), QNetworkReply.ContentNotFoundError,
self.parent())
except qutescheme.QuteSchemeError as e:
return networkreply.ErrorNetworkReply(request, e.errorstring,
e.error, self.parent())
except qutescheme.Redirect as e:
qtutils.ensure_valid(e.url)
return networkreply.RedirectNetworkReply(e.url, self.parent())
return networkreply.FixedDataNetworkReply(request, data, mimetype,
self.parent())
@qutescheme.add_handler('pdfjs', backend=usertypes.Backend.QtWebKit)
def qute_pdfjs(url):
"""Handler for qute://pdfjs. Return the pdf.js viewer."""
try:
data = pdfjs.get_pdfjs_res(url.path())
except pdfjs.PDFJSNotFound as e:
# Logging as the error might get lost otherwise since we're not showing
# the error page if a single asset is missing. This way we don't lose
# information, as the failed pdfjs requests are still in the log.
log.misc.warning(
"pdfjs resource requested but not found: {}".format(e.path))
raise qutescheme.QuteSchemeError("Can't find pdfjs resource "
"'{}'".format(e.path),
QNetworkReply.ContentNotFoundError)
else:
mimetype, _encoding = mimetypes.guess_type(url.fileName())
assert mimetype is not None, url
return mimetype, data
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