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[tor-commits] [stem/master] Decode cookie path with filesystem encoding first



commit 1f90729003490c9d12c7af95041f8de56f9cf766
Author: Damian Johnson <atagar@xxxxxxxxxxxxxx>
Date:   Tue Aug 25 16:22:16 2020 -0700

    Decode cookie path with filesystem encoding first
    
    Oops, I iterated over a set to deduplicate if our filesystem encoding is utf-8
    or latin-1. However, there's no harm in decoding twice and doing so
    inconsistently broke our unit test because set order is non-deterministic
    (so we sometimes decoded our unicode path as latin-1).
    
      ======================================================================
      FAIL: test_unicode_cookie
      ----------------------------------------------------------------------
      Traceback (most recent call last):
        File "/usr/lib/python3.7/unittest/mock.py", line 1204, in patched
          return func(*args, **keywargs)
        File "/srv/jenkins-workspace/workspace/stem-tor-ci/test/unit/response/protocolinfo.py", line 160, in test_unicode_cookie
          self.assertEqual(EXPECTED_UNICODE_PATH, control_message.cookie_path)
      AssertionError: '/home/user/æ??æ¡£/tor-browser_en-US/Browser/TorBrowser/D[23 chars]okie' != '/home/user/æ\x96\x87æ¡£/tor-browser_en-US/Browser/To[33 chars]okie'
      - /home/user/æ??æ¡£/tor-browser_en-US/Browser/TorBrowser/Data/Tor/control_auth_cookie
      ?            ^^
      + /home/user/æâ??â?¡Ã¦Â¡Â£/tor-browser_en-US/Browser/TorBrowser/Data/Tor/control_auth_cookie
      ?            ^^^^^^
---
 stem/response/protocolinfo.py      | 7 +++----
 test/unit/response/protocolinfo.py | 4 ++--
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/stem/response/protocolinfo.py b/stem/response/protocolinfo.py
index 65cb2d8c..ca3a6203 100644
--- a/stem/response/protocolinfo.py
+++ b/stem/response/protocolinfo.py
@@ -110,12 +110,11 @@ class ProtocolInfoResponse(stem.response.ControlMessage):
         if line.is_next_mapping('COOKIEFILE', True, True):
           path = line._pop_mapping_bytes(True, True)[1]
 
-          # re-encode this path from our filesystem's encoding (with common
-          # fallbacks) to unicode
+          # fall back if our filesystem encoding doesn't work
 
-          for encoding in set([sys.getfilesystemencoding(), 'utf-8', 'latin-1']):
+          for encoding in [sys.getfilesystemencoding(), 'utf-8', 'latin-1']:
             try:
-              self.cookie_path = stem.util.str_tools._to_unicode(path.decode(encoding))
+              self.cookie_path = path.decode(encoding)
               break
             except ValueError:
               pass
diff --git a/test/unit/response/protocolinfo.py b/test/unit/response/protocolinfo.py
index 69c54413..349507d1 100644
--- a/test/unit/response/protocolinfo.py
+++ b/test/unit/response/protocolinfo.py
@@ -150,7 +150,7 @@ class TestProtocolInfoResponse(unittest.TestCase):
     self.assertEqual((), control_message.unknown_auth_methods)
     self.assertEqual(None, control_message.cookie_path)
 
-  @patch('sys.getfilesystemencoding', Mock(return_value = 'UTF-8'))
+  @patch('sys.getfilesystemencoding', Mock(return_value = 'utf-8'))
   def test_unicode_cookie(self):
     """
     Checks an authentication cookie with a unicode path.
@@ -159,7 +159,7 @@ class TestProtocolInfoResponse(unittest.TestCase):
     control_message = ControlMessage.from_str(UNICODE_COOKIE_PATH, 'PROTOCOLINFO', normalize = True)
     self.assertEqual(EXPECTED_UNICODE_PATH, control_message.cookie_path)
 
-  @patch('sys.getfilesystemencoding', Mock(return_value = 'UTF-8'))
+  @patch('sys.getfilesystemencoding', Mock(return_value = 'utf-8'))
   def test_latin_cookie_path(self):
     """
     Parse a latin-1 path when our filesystem is configured for unicode.



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