commit 192a3e876015fd6bc1414af2df55945bb79471a2 Author: Isis Lovecruft <isis@torproject.org> Date: Thu Dec 11 04:28:04 2014 +0000 Change isValidRouterNickname() to only return booleans. --- lib/bridgedb/parse/networkstatus.py | 2 ++ lib/bridgedb/parse/nickname.py | 25 +++++++++++++++++-------- 2 files changed, 19 insertions(+), 8 deletions(-) diff --git a/lib/bridgedb/parse/networkstatus.py b/lib/bridgedb/parse/networkstatus.py index 106edd9..8140fe0 100644 --- a/lib/bridgedb/parse/networkstatus.py +++ b/lib/bridgedb/parse/networkstatus.py @@ -39,6 +39,8 @@ from twisted.python.log import showwarning from bridgedb.parse import addr from bridgedb.parse import parseUnpaddedBase64 from bridgedb.parse import InvalidBase64 +from bridgedb.parse.nickname import InvalidRouterNickname +from bridgedb.parse.nickname import isValidRouterNickname class NetworkstatusParsingError(Exception): diff --git a/lib/bridgedb/parse/nickname.py b/lib/bridgedb/parse/nickname.py index b38bdb8..9c3a559 100644 --- a/lib/bridgedb/parse/nickname.py +++ b/lib/bridgedb/parse/nickname.py @@ -33,16 +33,25 @@ class InvalidRouterNickname(ValueError): def isValidRouterNickname(nickname): """Determine if a router's given nickname meets the specification. - :raises InvalidRouterNickname: if the nickname is invalid. :param string nickname: An OR's nickname. + :rtype: bool + :returns: ``True`` if the nickname is valid, ``False`` otherwise. """ ALPHANUMERIC = string.letters + string.digits - if not (1 <= len(nickname) <= 19): - raise InvalidRouterNickname( - "Nicknames must be between 1 and 19 characters: %r" % nickname) - for letter in nickname: - if not letter in ALPHANUMERIC: + try: + if not (1 <= len(nickname) <= 19): raise InvalidRouterNickname( - "Nicknames must only use [A-Za-z0-9]: %r" % nickname) - return True + "Nicknames must be between 1 and 19 characters: %r" % nickname) + for letter in nickname: + if not letter in ALPHANUMERIC: + raise InvalidRouterNickname( + "Nicknames must only use [A-Za-z0-9]: %r" % nickname) + except InvalidRouterNickname as error: + logging.error(str(error)) + except TypeError: # The nickname was probably still set to ``None`` + pass + else: + return True + + return False