Fix-ups for detecting if the meek binary doesn't exist. Pass the GUI's get_tor_paths down to the CLI when instantiating Meek object

cli/onionshare_cli/meek.py

@@ -17,6 +17,7 @@ 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/>.
 """
+import os
 import subprocess
 import time
 from queue import Queue, Empty
@@ -31,7 +32,7 @@ class Meek(object):
     bridges, before connecting to Tor.
     """
 
-    def __init__(self, common):
+    def __init__(self, common, get_tor_paths=None):
         """
         Set up the Meek object
         """
@@ -39,6 +40,8 @@ class Meek(object):
         self.common = common
         self.common.log("Meek", "__init__")
 
+        # Set the path of the meek binary
+        if not get_tor_paths:
             get_tor_paths = self.common.get_tor_paths
         (
             self.tor_path,
@@ -72,10 +75,12 @@ class Meek(object):
                 queue.put(line)
             out.close()
 
+        self.common.log("Meek", "start", self.meek_client_file_path)
+
         # Abort early if we can't find the Meek client
-        # common.get_tor_paths() has already checked it's a file
-        # so just abort if it's a NoneType object
-        if self.meek_client_file_path is None:
+        if self.meek_client_file_path is None or not os.path.exists(
+            self.meek_client_file_path
+        ):
             raise MeekNotFound()
 
         # Start the Meek Client as a subprocess.
@@ -186,6 +191,7 @@ class MeekNotRunning(Exception):
     number it started on, in order to do domain fronting.
     """
 
+
 class MeekNotFound(Exception):
     """
     We were unable to find the Meek Client binary.

desktop/src/onionshare/tor_settings_dialog.py

@@ -49,7 +49,7 @@ class TorSettingsDialog(QtWidgets.QDialog):
 
         self.common.log("TorSettingsDialog", "__init__")
 
-        self.meek = Meek(common)
+        self.meek = Meek(common, get_tor_paths=self.common.gui.get_tor_paths)
 
         self.setModal(True)
         self.setWindowTitle(strings._("gui_tor_settings_window_title"))