def _key_to_file(self, session_key=None):
"""
Get the file associated with this session key.
"""
if session_key is None:
session_key = self._get_or_create_session_key()
# Make sure we're not vulnerable to directory traversal. Session keys
# should always be md5s, so they should never contain directory
# components.
if not set(session_key).issubset(VALID_KEY_CHARS):
raise InvalidSessionKey("Invalid characters in session key")
return os.path.join(self.storage_path, self.file_prefix + session_key)
def _key_to_file(self, session_key=None):
"""
Get the file associated with this session key.
"""
if session_key is None:
session_key = self._get_or_create_session_key()
# Make sure we're not vulnerable to directory traversal. Session keys
# should always be md5s, so they should never contain directory
# components.
<<<<<<< HEAD
if not set(session_key).issubset(set(VALID_KEY_CHARS)):
=======
if not set(session_key).issubset(VALID_KEY_CHARS):
>>>>>>> 37c99181c9a6b95433d60f8c8ef9af5731096435
raise InvalidSessionKey(
"Invalid characters in session key")
return os.path.join(self.storage_path, self.file_prefix + session_key)
def _last_modification(self):
"""
Return the modification time of the file storing the session's content.
"""
modification = os.stat(self._key_to_file()).st_mtime
if settings.USE_TZ:
modification = datetime.datetime.utcfromtimestamp(modification)
modification = modification.replace(tzinfo=timezone.utc)
else:
modification = datetime.datetime.fromtimestamp(modification)
return modification
