Began making a TorConnectionDialog, which handles connecting to the Tor network

onionshare_gui/tor_connection_dialog.py

@@ -0,0 +1,68 @@
+# -*- coding: utf-8 -*-
+"""
+OnionShare | https://onionshare.org/
+
+Copyright (C) 2017 Micah Lee <micah@micahflee.com>
+
+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/>.
+"""
+from PyQt5 import QtCore, QtWidgets, QtGui
+
+from onionshare import strings, helpers
+
+class TorConnectionDialog(QtWidgets.QProgressDialog):
+    """
+    Connecting to Tor dialog.
+    """
+    def __init__(self, settings, onion):
+        super(TorConnectionDialog, self).__init__(None)
+        self.settings = settings
+
+        self.setWindowTitle("OnionShare")
+        self.setWindowIcon(QtGui.QIcon(helpers.get_resource_path('images/logo.png')))
+        self.setModal(True)
+
+        # Label
+        self.setLabelText(strings._('connecting_to_tor', True))
+        self.setCancelButtonText(strings._('gui_tor_connection_exit', True))
+
+        # Progress bar ticks from 0 to 100
+        self.setRange(0, 100)
+        # Don't show if connection takes less than 200ms (for non-bundled tor)
+        self.setMinimumDuration(200)
+
+        # If bundled tor, prepare to display Tor connection status
+        if settings.get('connection_type') == 'bundled':
+            tor_status_update = self.tor_status_update
+        else:
+            tor_status_update = None
+
+        # Connect to the Onion
+        self.setValue(0)
+        try:
+            onion.connect(self.settings, tor_status_update)
+        except (TorTooOld, TorErrorInvalidSetting, TorErrorAutomatic, TorErrorSocketPort, TorErrorSocketFile, TorErrorMissingPassword, TorErrorUnreadableCookieFile, TorErrorAuthError, TorErrorProtocolError, BundledTorNotSupported, BundledTorTimeout) as e:
+            print(e.args[0])
+            # TODO: Open settings to connect to Tor properly
+            sys.exit()
+
+        self.exec_()
+
+    def tor_status_update(self, progress, summary):
+        if summary == 'Done':
+            # All done
+            self.close()
+        else:
+            self.setValue(int(progress))
+        self.setLabelText("<strong>{}</strong><br>{}".format(strings._('connecting_to_tor', True), summary))