def _prevnext_cb(elems):
elem = _find_prevnext(prev, elems)
word = 'prev' if prev else 'forward'
if elem is None:
message.error("No {} links found!".format(word))
return
url = elem.resolve_url(baseurl)
if url is None:
message.error("No {} links found!".format(word))
return
qtutils.ensure_valid(url)
cur_tabbed_browser = objreg.get('tabbed-browser',
scope='window',
window=win_id)
if window:
new_window = mainwindow.MainWindow(
private=cur_tabbed_browser.is_private)
new_window.show()
tabbed_browser = objreg.get('tabbed-browser',
scope='window',
window=new_window.win_id)
tabbed_browser.tabopen(url, background=False)
elif tab:
cur_tabbed_browser.tabopen(url, background=background)
else:
browsertab.load_url(url)
def get_tab(win_id, target):
"""Get a tab widget for the given usertypes.ClickTarget.
Args:
win_id: The window ID to open new tabs in
target: A usertypes.ClickTarget
"""
if target == usertypes.ClickTarget.tab:
win_id = win_id
bg_tab = False
elif target == usertypes.ClickTarget.tab_bg:
win_id = win_id
bg_tab = True
elif target == usertypes.ClickTarget.window:
tabbed_browser = objreg.get('tabbed-browser', scope='window',
window=win_id)
window = mainwindow.MainWindow(private=tabbed_browser.is_private)
window.show()
win_id = window.win_id
bg_tab = False
else:
raise ValueError("Invalid ClickTarget {}".format(target))
tabbed_browser = objreg.get('tabbed-browser', scope='window',
window=win_id)
return tabbed_browser.tabopen(url=None, background=bg_tab)
def run_async(tab, cmd, *args, win_id, env, verbose=False):
"""Run a userscript after dumping page html/source.
Raises:
UnsupportedError if userscripts are not supported on the current
platform.
NotFoundError if the command could not be found.
Args:
tab: The WebKitTab/WebEngineTab to get the source from.
cmd: The userscript binary to run.
*args: The arguments to pass to the userscript.
win_id: The window id the userscript is executed in.
env: A dictionary of variables to add to the process environment.
verbose: Show notifications when the command started/exited.
"""
tabbed_browser = objreg.get('tabbed-browser',
scope='window',
window=win_id)
commandrunner = runners.CommandRunner(win_id, parent=tabbed_browser)
if utils.is_posix:
runner = _POSIXUserscriptRunner(tabbed_browser)
elif utils.is_windows: # pragma: no cover
runner = _WindowsUserscriptRunner(tabbed_browser)
else: # pragma: no cover
raise UnsupportedError
runner.got_cmd.connect(lambda cmd: log.commands.debug(
"Got userscript command: {}".format(cmd)))
runner.got_cmd.connect(commandrunner.run_safely)
user_agent = config.val.content.headers.user_agent
if user_agent is not None:
env['QUTE_USER_AGENT'] = user_agent
env['QUTE_CONFIG_DIR'] = standarddir.config()
env['QUTE_DATA_DIR'] = standarddir.data()
env['QUTE_DOWNLOAD_DIR'] = downloads.download_dir()
env['QUTE_COMMANDLINE_TEXT'] = objreg.get('status-command',
scope='window',
window=win_id).text()
cmd_path = os.path.expanduser(cmd)
# if cmd is not given as an absolute path, look it up
# ~/.local/share/glimpsebrowser/userscripts (or $XDG_DATA_HOME)
if not os.path.isabs(cmd_path):
log.misc.debug("{} is no absolute path".format(cmd_path))
cmd_path = _lookup_path(cmd)
elif not os.path.exists(cmd_path):
raise NotFoundError(cmd_path)
log.misc.debug("Userscript to run: {}".format(cmd_path))
runner.finished.connect(commandrunner.deleteLater)
runner.finished.connect(runner.deleteLater)
runner.prepare_run(cmd_path, *args, env=env, verbose=verbose)
tab.dump_async(runner.store_html)
tab.dump_async(runner.store_text, plain=True)
return runner
def _show_dialog(*args, **kwargs):
"""Show a dialog for a backend problem."""
cmd_args = objreg.get('args')
if cmd_args.no_err_windows:
text = _error_text(*args, **kwargs)
print(text, file=sys.stderr)
sys.exit(usertypes.Exit.err_init)
dialog = _Dialog(*args, **kwargs)
status = dialog.exec_()
quitter = objreg.get('quitter')
if status in [_Result.quit, QDialog.Rejected]:
pass
elif status == _Result.restart_webkit:
quitter.restart(override_args={'backend': 'webkit'})
elif status == _Result.restart_webengine:
quitter.restart(override_args={'backend': 'webengine'})
elif status == _Result.restart:
quitter.restart()
else:
raise utils.Unreachable(status)
sys.exit(usertypes.Exit.err_init)
def _save_all(self, *, only_window=None, with_private=False):
"""Get a dict with data for all windows/tabs."""
data = {'windows': []}
if only_window is not None:
winlist = [only_window]
else:
winlist = objreg.window_registry
for win_id in sorted(winlist):
tabbed_browser = objreg.get('tabbed-browser', scope='window',
window=win_id)
main_window = objreg.get('main-window', scope='window',
window=win_id)
# We could be in the middle of destroying a window here
if sip.isdeleted(main_window):
continue
if tabbed_browser.is_private and not with_private:
continue
win_data = {}
active_window = QApplication.instance().activeWindow()
if getattr(active_window, 'win_id', None) == win_id:
win_data['active'] = True
win_data['geometry'] = bytes(main_window.saveGeometry())
win_data['tabs'] = []
if tabbed_browser.is_private:
win_data['private'] = True
for i, tab in enumerate(tabbed_browser.widgets()):
active = i == tabbed_browser.widget.currentIndex()
win_data['tabs'].append(self._save_tab(tab, active))
data['windows'].append(win_data)
return data
def _set_cookiejar(self):
"""Set the cookie jar of the NetworkManager correctly."""
if self._private:
cookie_jar = objreg.get('ram-cookie-jar')
else:
cookie_jar = objreg.get('cookie-jar')
# We have a shared cookie jar - we restore its parent so we don't
# take ownership of it.
self.setCookieJar(cookie_jar)
app = QCoreApplication.instance()
cookie_jar.setParent(app)
def _do_close(self):
"""Helper function for closeEvent."""
try:
last_visible = objreg.get('last-visible-main-window')
if self is last_visible:
objreg.delete('last-visible-main-window')
except KeyError:
pass
objreg.get('session-manager').save_last_window_session()
self._save_geometry()
log.destroy.debug("Closing window {}".format(self.win_id))
self.tabbed_browser.shutdown()
def glimpse_bookmarks(_url):
"""Handler for glimpse://bookmarks. Display all quickmarks / bookmarks."""
bookmarks = sorted(objreg.get('bookmark-manager').marks.items(),
key=lambda x: x[1]) # Sort by title
quickmarks = sorted(objreg.get('quickmark-manager').marks.items(),
key=lambda x: x[0]) # Sort by name
src = jinja.render('bookmarks.html',
title='Bookmarks',
bookmarks=bookmarks,
quickmarks=quickmarks)
return 'text/html', src
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()
config.instance.changed.connect(self._on_cookies_store_changed)
objreg.get('save-manager').add_saveable(
'cookies', self.save, self.changed,
config_opt='content.cookies.store')
def url(*, info):
"""A model which combines various URLs.
This combines:
- bookmarks
- quickmarks
- search engines
- web history URLs
Used for the `open` command.
"""
model = completionmodel.CompletionModel(column_widths=(40, 50, 10))
# pylint: disable=bad-config-option
quickmarks = [(url, name)
for (name,
url) in objreg.get('quickmark-manager').marks.items()]
bookmarks = objreg.get('bookmark-manager').marks.items()
searchengines = [(k, v)
for k, v in sorted(config.val.url.searchengines.items())
if k != 'DEFAULT']
# pylint: enable=bad-config-option
categories = config.val.completion.open_categories
models = {}
if searchengines and 'searchengines' in categories:
models['searchengines'] = listcategory.ListCategory('Search engines',
searchengines,
sort=False)
if quickmarks and 'quickmarks' in categories:
models['quickmarks'] = listcategory.ListCategory(
'Quickmarks',
quickmarks,
delete_func=_delete_quickmark,
sort=False)
if bookmarks and 'bookmarks' in categories:
models['bookmarks'] = listcategory.ListCategory(
'Bookmarks', bookmarks, delete_func=_delete_bookmark, sort=False)
history_disabled = info.config.get('completion.web_history.max_items') == 0
if not history_disabled and 'history' in categories:
hist_cat = histcategory.HistoryCategory(delete_func=_delete_history)
models['history'] = hist_cat
for category in categories:
if category in models:
model.add_category(models[category])
return model
def _get_required_scripts(self, script, force=False):
required_dls = [(url, self._required_url_to_file_path(url))
for url in script.requires]
if not force:
required_dls = [(url, path) for (url, path) in required_dls
if not os.path.exists(path)]
if not required_dls:
# All the required files exist already
self._add_script_with_requires(script, quiet=True)
return
download_manager = objreg.get('qtnetwork-download-manager')
for url, target_path in required_dls:
target = downloads.FileDownloadTarget(target_path,
force_overwrite=True)
download = download_manager.get(QUrl(url),
target=target,
auto_remove=True)
download.requested_url = url
self._in_progress_dls.append(download)
if download.successful:
self._on_required_download_finished(script, download)
else:
download.finished.connect(
functools.partial(self._on_required_download_finished,
script, download))
def _handle_auto_follow(self, keystr="", filterstr="", visible=None):
"""Handle the auto_follow option."""
if visible is None:
visible = {string: label
for string, label in self._context.labels.items()
if label.isVisible()}
if len(visible) != 1:
return
auto_follow = config.val.hints.auto_follow
if auto_follow == "always":
follow = True
elif auto_follow == "unique-match":
follow = keystr or filterstr
elif auto_follow == "full-match":
elemstr = str(list(visible.values())[0].elem)
filter_match = self._filter_matches_exactly(filterstr, elemstr)
follow = (keystr in visible) or filter_match
else:
follow = False
# save the keystr of the only one visible hint to be picked up
# later by self.follow_hint
self._context.to_follow = list(visible.keys())[0]
if follow:
# apply auto_follow_timeout
timeout = config.val.hints.auto_follow_timeout
keyparsers = objreg.get('keyparsers', scope='window',
window=self._win_id)
normal_parser = keyparsers[usertypes.KeyMode.normal]
normal_parser.set_inhibited_timeout(timeout)
# unpacking gets us the first (and only) key in the dict.
self._fire(*visible)
def test_init(self, backend, qapp, tmpdir, monkeypatch, cleanup_init):
if backend == usertypes.Backend.QtWebKit:
pytest.importorskip('PyQt5.QtWebKitWidgets')
else:
assert backend == usertypes.Backend.QtWebEngine
monkeypatch.setattr(history.objects, 'backend', backend)
history.init(qapp)
hist = objreg.get('web-history')
assert hist.parent() is qapp
try:
from PyQt5.QtWebKit import QWebHistoryInterface
except ImportError:
QWebHistoryInterface = None
if backend == usertypes.Backend.QtWebKit:
default_interface = QWebHistoryInterface.defaultInterface()
assert default_interface._history is hist
else:
assert backend == usertypes.Backend.QtWebEngine
if QWebHistoryInterface is None:
default_interface = None
else:
default_interface = QWebHistoryInterface.defaultInterface()
# For this to work, nothing can ever have called
# setDefaultInterface before (so we need to test webengine before
# webkit)
assert default_interface is None
def _filter_signals(self, signal, tab, *args):
"""Filter signals and trigger TabbedBrowser signals if needed.
Triggers signal if the original signal was sent from the _current_ tab
and not from any other one.
The original signal does not matter, since we get the new signal and
all args.
Args:
signal: The signal to emit if the sender was the current widget.
tab: The WebView which the filter belongs to.
*args: The args to pass to the signal.
"""
log_signal = debug.signal_name(signal) not in self.BLACKLIST
tabbed_browser = objreg.get('tabbed-browser',
scope='window',
window=self._win_id)
try:
tabidx = tabbed_browser.widget.indexOf(tab)
except RuntimeError:
# The tab has been deleted already
return
if tabidx == tabbed_browser.widget.currentIndex():
if log_signal:
log.signals.debug("emitting: {} (tab {})".format(
debug.dbg_signal(signal, args), tabidx))
signal.emit(*args)
else:
if log_signal:
log.signals.debug("ignoring: {} (tab {})".format(
debug.dbg_signal(signal, args), tabidx))
def _inject_userjs(self, frame):
"""Inject user JavaScripts into the page.
Args:
frame: The QWebFrame to inject the user scripts into.
"""
if sip.isdeleted(frame):
log.greasemonkey.debug("_inject_userjs called for deleted frame!")
return
url = frame.url()
if url.isEmpty():
url = frame.requestedUrl()
log.greasemonkey.debug("_inject_userjs called for {} ({})".format(
frame, url.toDisplayString()))
greasemonkey = objreg.get('greasemonkey')
scripts = greasemonkey.scripts_for(url)
# QtWebKit has trouble providing us with signals representing
# page load progress at reasonable times, so we just load all
# scripts on the same event.
toload = scripts.start + scripts.end + scripts.idle
if url.isEmpty():
# This happens during normal usage like with view source but may
# also indicate a bug.
log.greasemonkey.debug("Not running scripts for frame with no "
"url: {}".format(frame))
assert not toload, toload
for script in toload:
if frame is self.mainFrame() or script.runs_on_sub_frames:
log.webview.debug('Running GM script: {}'.format(script.name))
frame.evaluateJavaScript(script.code())
def createWindow(self, wintype):
"""Called by Qt when a page wants to create a new window.
This function is called from the createWindow() method of the
associated QWebPage, each time the page wants to create a new window of
the given type. This might be the result, for example, of a JavaScript
request to open a document in a new window.
Args:
wintype: This enum describes the types of window that can be
created by the createWindow() function.
QWebPage::WebBrowserWindow: The window is a regular web
browser window.
QWebPage::WebModalDialog: The window acts as modal dialog.
Return:
The new QWebView object.
"""
debug_type = debug.qenum_key(QWebPage, wintype)
log.webview.debug("createWindow with type {}".format(debug_type))
if wintype == QWebPage.WebModalDialog:
log.webview.warning("WebModalDialog requested, but we don't "
"support that!")
tabbed_browser = objreg.get('tabbed-browser',
scope='window',
window=self.win_id)
# pylint: disable=protected-access
return tabbed_browser.tabopen(background=False)._widget
def later(ms: int, command: str, win_id: int) -> None:
"""Execute a command after some time.
Args:
ms: How many milliseconds to wait.
command: The command to run, with optional args.
"""
if ms < 0:
raise cmdutils.CommandError("I can't run something in the past!")
commandrunner = runners.CommandRunner(win_id)
app = objreg.get('app')
timer = usertypes.Timer(name='later', parent=app)
try:
timer.setSingleShot(True)
try:
timer.setInterval(ms)
except OverflowError:
raise cmdutils.CommandError("Numeric argument is too large for "
"internal int representation.")
timer.timeout.connect(
functools.partial(commandrunner.run_safely, command))
timer.timeout.connect(timer.deleteLater)
timer.start()
except:
timer.deleteLater()
raise
def _init_downloadmanager(self):
log.init.debug("Initializing downloads...")
qtnetwork_download_manager = objreg.get('qtnetwork-download-manager')
try:
webengine_download_manager = objreg.get(
'webengine-download-manager')
except KeyError:
webengine_download_manager = None
download_model = downloads.DownloadModel(qtnetwork_download_manager,
webengine_download_manager)
objreg.register('download-model',
download_model,
scope='window',
window=self.win_id)
def on_keystring_updated(self, keystr):
"""Update hintmanager when the keystring was updated."""
hintmanager = objreg.get('hintmanager',
scope='tab',
window=self._win_id,
tab='current')
hintmanager.handle_partial_key(keystr)
def render_widget(self):
"""Get the RenderWidgetHostViewQt for this view.
Normally, this would always be the focusProxy().
However, it sometimes isn't, so we use this as a WORKAROUND for
https://bugreports.qt.io/browse/QTBUG-68727
This got introduced in Qt 5.11.0 and fixed in 5.12.0.
"""
if 'lost-focusproxy' not in objreg.get('args').debug_flags:
proxy = self.focusProxy()
if proxy is not None:
return proxy
# We don't want e.g. a QMenu.
rwhv_class = 'QtWebEngineCore::RenderWidgetHostViewQtDelegateWidget'
children = [
c for c in self.findChildren(QWidget)
if c.isVisible() and c.inherits(rwhv_class)
]
log.webview.debug(
"Found possibly lost focusProxy: {}".format(children))
return children[-1] if children else None
def delete_buffer(data):
"""Close the selected tab."""
win_id, tab_index = data[0].split('/')
tabbed_browser = objreg.get('tabbed-browser',
scope='window',
window=int(win_id))
tabbed_browser.on_tab_close_requested(int(tab_index) - 1)
def download_temp(url: QUrl) -> TempDownload:
"""Download the given URL into a file object.
The download is not saved to disk.
Returns a ``TempDownload`` object, which triggers a ``finished`` signal
when the download has finished::
dl = downloads.download_temp(QUrl("https://www.example.com/"))
dl.finished.connect(functools.partial(on_download_finished, dl))
After the download has finished, its ``successful`` attribute can be
checked to make sure it finished successfully. If so, its contents can be
read by accessing the ``fileobj`` attribute::
def on_download_finished(download: downloads.TempDownload) -> None:
if download.successful:
print(download.fileobj.read())
download.fileobj.close()
"""
fobj = io.BytesIO()
fobj.name = 'temporary: ' + url.host()
target = downloads.FileObjDownloadTarget(fobj)
download_manager = objreg.get('qtnetwork-download-manager')
return download_manager.get(url, target=target, auto_remove=True)
def _load_session(name):
"""Load the default session.
Args:
name: The name of the session to load, or None to read state file.
"""
session_manager = objreg.get('session-manager')
if name is None and session_manager.exists('_autosave'):
name = '_autosave'
elif name is None:
try:
name = configfiles.state['general']['session']
except KeyError:
# No session given as argument and none in the session file ->
# start without loading a session
return
try:
session_manager.load(name)
except sessions.SessionNotFoundError:
message.error("Session {} not found!".format(name))
except sessions.SessionError as e:
message.error("Failed to load session {}: {}".format(name, e))
try:
del configfiles.state['general']['session']
except KeyError:
pass
# If this was a _restart session, delete it.
if name == '_restart':
session_manager.delete('_restart')
def open_desktopservices_url(url):
"""Handler to open a URL via QDesktopServices."""
win_id = mainwindow.get_window(via_ipc=True, force_window=False)
tabbed_browser = objreg.get('tabbed-browser',
scope='window',
window=win_id)
tabbed_browser.tabopen(url)
def _recover_pages(self, forgiving=False):
"""Try to recover all open pages.
Called from exception_hook, so as forgiving as possible.
Args:
forgiving: Whether to ignore exceptions.
Return:
A list containing a list for each window, which in turn contain the
opened URLs.
"""
pages = []
for win_id in objreg.window_registry:
win_pages = []
tabbed_browser = objreg.get('tabbed-browser',
scope='window',
window=win_id)
for tab in tabbed_browser.widgets():
try:
urlstr = tab.url().toString(QUrl.RemovePassword
| QUrl.FullyEncoded)
if urlstr:
win_pages.append(urlstr)
except Exception:
if forgiving:
log.destroy.exception("Error while recovering tab")
else:
raise
pages.append(win_pages)
return pages
def _open_special_pages(args):
"""Open special notification pages which are only shown once.
Args:
args: The argparse namespace.
"""
if args.basedir is not None:
# With --basedir given, don't open anything.
return
general_sect = configfiles.state['general']
tabbed_browser = objreg.get('tabbed-browser',
scope='window',
window='last-focused')
pages = [
# state, condition, URL
('quickstart-done', True,
'https://www.glimpsebrowser.org/quickstart.html'),
('config-migration-shown',
os.path.exists(
os.path.join(standarddir.config(), 'glimpsebrowser.conf')),
'glimpse://help/configuring.html'),
('webkit-warning-shown', objects.backend == usertypes.Backend.QtWebKit,
'glimpse://warning/webkit'),
('old-qt-warning-shown', not qtutils.version_check('5.9'),
'glimpse://warning/old-qt'),
]
for state, condition, url in pages:
if general_sect.get(state) != '1' and condition:
tabbed_browser.tabopen(QUrl(url), background=False)
general_sect[state] = '1'
def __call__(self, parser, _namespace, _values, _option_string=None):
tabbed_browser = objreg.get('tabbed-browser',
scope='window',
window='last-focused')
tabbed_browser.tabopen(
QUrl('glimpse://help/commands.html#{}'.format(parser.name)))
parser.exit()
def get_cmd_completions(info, include_hidden, include_aliases, prefix=''):
"""Get a list of completions info for commands, sorted by name.
Args:
info: The CompletionInfo.
include_hidden: Include commands which are not in normal mode.
include_aliases: True to include command aliases.
prefix: String to append to the command name.
Return: A list of tuples of form (name, description, bindings).
"""
assert objects.commands
cmdlist = []
cmd_to_keys = info.keyconf.get_reverse_bindings_for('normal')
for obj in set(objects.commands.values()):
hide_debug = obj.debug and not objreg.get('args').debug
hide_mode = (usertypes.KeyMode.normal not in obj.modes
and not include_hidden)
if not (hide_debug or hide_mode or obj.deprecated):
bindings = ', '.join(cmd_to_keys.get(obj.name, []))
cmdlist.append((prefix + obj.name, obj.desc, bindings))
if include_aliases:
for name, cmd in info.config.get('aliases').items():
bindings = ', '.join(cmd_to_keys.get(name, []))
cmdlist.append((name, "Alias for '{}'".format(cmd), bindings))
return sorted(cmdlist)
def eventFilter(self, obj, event):
"""Act on ChildAdded events."""
if event.type() == QEvent.ChildAdded:
child = event.child()
log.misc.debug("{} got new child {}, installing filter".format(
obj, child))
assert obj is self._widget
child.installEventFilter(self._filter)
if qtutils.version_check('5.11', compiled=False, exact=True):
# WORKAROUND for https://bugreports.qt.io/browse/QTBUG-68076
pass_modes = [
usertypes.KeyMode.command, usertypes.KeyMode.prompt,
usertypes.KeyMode.yesno
]
if modeman.instance(self._win_id).mode not in pass_modes:
tabbed_browser = objreg.get('tabbed-browser',
scope='window',
window=self._win_id)
current_index = tabbed_browser.widget.currentIndex()
try:
widget_index = tabbed_browser.widget.indexOf(
self._widget.parent())
except RuntimeError:
widget_index = -1
if current_index == widget_index:
QTimer.singleShot(0, self._widget.setFocus)
elif event.type() == QEvent.ChildRemoved:
child = event.child()
log.misc.debug("{}: removed child {}".format(obj, child))
return False
def __init__(self, *, win_id, tab_id, private, parent=None):
log.init.debug("Initializing NetworkManager")
with log.disable_qt_msghandler():
# WORKAROUND for a hang when a message is printed - See:
# http://www.riverbankcomputing.com/pipermail/pyqt/2014-November/035045.html
super().__init__(parent)
log.init.debug("NetworkManager init done")
self.adopted_downloads = 0
self._args = objreg.get('args')
self._win_id = win_id
self._tab_id = tab_id
self._private = private
self._scheme_handlers = {
'glimpse': webkitglimpsescheme.handler,
'file': filescheme.handler,
}
self._set_cookiejar()
self._set_cache()
self.sslErrors.connect(self.on_ssl_errors)
self._rejected_ssl_errors = collections.defaultdict(list)
self._accepted_ssl_errors = collections.defaultdict(list)
self.authenticationRequired.connect(self.on_authentication_required)
self.proxyAuthenticationRequired.connect(
self.on_proxy_authentication_required)
self.netrc_used = False
