[feat] report missing polkit properly from main UI

also refactor and move polkit_agent so that it does not depend on having
bitmask on the path.

1 files changed, 75 insertions, 0 deletions

diff --git a/src/leap/bitmask/vpn/polkit.py b/src/leap/bitmask/vpn/polkit.py
new file mode 100644
index 00000000..ae3f9000
--- /dev/null
+++ b/src/leap/bitmask/vpn/polkit.py
@@ -0,0 +1,75 @@
+# -*- coding: utf-8 -*-
+# polkit_agent.py
+# Copyright (C) 2013 LEAP
+#
+# This program 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.
+#
+# This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+
+"""
+Daemonizes polkit authentication agent.
+"""
+
+import os
+import subprocess
+
+
+POLKIT_PATHS = (
+    '/usr/bin/lxpolkit',
+    '/usr/bin/lxqt-policykit-agent',
+    '/usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1',
+    '/usr/lib/x86_64-linux-gnu/polkit-mate/polkit-mate-authentication-agent-1',
+    '/usr/lib/mate-polkit/polkit-mate-authentication-agent-1',
+    '/usr/lib/x86_64-linux-gnu/libexec/polkit-kde-authentication-agent-1',
+    '/usr/lib/kde4/libexec/polkit-kde-authentication-agent-1',
+    # now we get weird
+    '/usr/libexec/policykit-1-pantheon/pantheon-agent-polkit',
+    '/usr/lib/polkit-1-dde/dde-polkit-agent',
+    # do you know some we're still missing? :)
+)
+
+POLKIT_PROC_NAMES = (
+    'polkit-gnome-authentication-agent-1',
+    'polkit-kde-authentication-agent-1',
+    'polkit-mate-authentication-agent-1',
+    'lxpolkit',
+    'lxsession',
+    'gnome-shell',
+    'gnome-flashback',
+    'fingerprint-polkit-agent',
+    'xfce-polkit',
+)
+
+
+# TODO write tests for this piece.
+def _get_polkit_agent():
+    """
+    Return a valid polkit agent to use.
+
+    :rtype: str or None
+    """
+    for polkit in POLKIT_PATHS:
+        if os.path.isfile(polkit):
+            return polkit
+    return None
+
+
+def launch():
+    """
+    Launch a polkit authentication agent as a daemon.
+    """
+    agent = _get_polkit_agent()
+    subprocess.call("(setsid {polkit} &)".format(polkit=agent), shell=True)
+
+
+if __name__ == "__main__":
+    launch()