101 lines
3.7 KiB
Python
101 lines
3.7 KiB
Python
#!/usr/bin/python3
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#
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# The Qubes OS Project, http://www.qubes-os.org
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#
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# Copyright (C) 2016 Jean-Philippe Ouellet <jpo@vt.edu>
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# Copyright (C) 2012 Agnieszka Kostrzewa <agnieszka.kostrzewa@gmail.com>
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# Copyright (C) 2012 Marek Marczykowski <marmarek@mimuw.edu.pl>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License along
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# with this program; if not, see <http://www.gnu.org/licenses/>.
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#
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#
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import os
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import fcntl
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from math import log
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# pylint: disable=import-error
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from PyQt5.QtWidgets import QApplication, QMessageBox
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from PyQt5.QtCore import QCoreApplication
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APPVIEWER_LOCK = "/var/run/qubes/appviewer.lock"
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CLIPBOARD_CONTENTS = "/var/run/qubes/qubes-clipboard.bin"
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CLIPBOARD_SOURCE = CLIPBOARD_CONTENTS + ".source"
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def do_dom0_copy():
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copy_text_to_qubes_clipboard(QApplication.clipboard().text())
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def copy_text_to_qubes_clipboard(text):
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# inter-appviewer lock
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try:
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file = os.open(APPVIEWER_LOCK, os.O_RDWR | os.O_CREAT, 0o0666)
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except Exception: # pylint: disable=broad-except
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QMessageBox.warning(
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None,
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QCoreApplication.translate("Clipboard", "Warning!"),
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QCoreApplication.translate(
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"Clipboard", "Error while accessing Qubes clipboard!"))
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else:
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try:
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fcntl.flock(file, fcntl.LOCK_EX)
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except Exception: # pylint: disable=broad-except
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QMessageBox.warning(
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None,
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QCoreApplication.translate("Clipboard", "Warning!"),
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QCoreApplication.translate(
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"Clipboard", "Error while locking Qubes clipboard!"))
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else:
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try:
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with open(CLIPBOARD_CONTENTS, "w") as contents:
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contents.write(text)
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with open(CLIPBOARD_SOURCE, "w") as source:
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source.write("dom0")
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except Exception: # pylint: disable=broad-except
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QMessageBox.warning(
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None,
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QCoreApplication.translate("Clipboard", "Warning!"),
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QCoreApplication.translate(
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"Clipboard", "Error while writing to Qubes clipboard!"))
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fcntl.flock(file, fcntl.LOCK_UN)
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os.close(file)
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# pylint: disable=invalid-name
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def get_qubes_clipboard_formatted_size():
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units = ['B', 'KiB', 'MiB', 'GiB']
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try:
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file_size = os.path.getsize(CLIPBOARD_CONTENTS)
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except Exception: # pylint: disable=broad-except
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QMessageBox.warning(
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None,
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QCoreApplication.translate("Clipboard", "Warning!"),
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QCoreApplication.translate(
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"Clipboard", "Error while accessing Qubes clipboard!"))
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else:
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formatted_bytes = QCoreApplication.translate(
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"Clipboard", "%n byte(s)", "", file_size)
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if file_size > 0:
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magnitude = min(int(log(file_size)/log(2)*0.1), len(units)-1)
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if magnitude > 0:
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return '%s (%.1f %s)' % (formatted_bytes,
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file_size/(2.0**(10*magnitude)),
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units[magnitude])
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return '%s' % formatted_bytes
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return QCoreApplication.translate("Clipboard", '? bytes')
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