def test_parse_nickname_isValidRouterNickname_invalid_None(self):
"""isValidRouterNickname(None) should return False."""
name = None
self.assertFalse(isValidRouterNickname(name))
def test_parse_nickname_isValidRouterNickname_invalid_spaces(self):
"""isValidRouterNickname() should return False for an invalid nickname
(contains spaces).
"""
name = 'As you wish'
self.assertFalse(isValidRouterNickname(name))
def test_parse_nickname_isValidRouterNickname_invalid_too_long(self):
"""isValidRouterNickname() should return False for an invalid nickname
(too long).
"""
name = 'ThisIsReallyMoreOfANovellaRatherThanAnOnionRouterNickname'
self.assertFalse(isValidRouterNickname(name))
def test_parse_nickname_isValidRouterNickname_invalid_too_short(self):
"""isValidRouterNickname() should return False for an invalid nickname
(empty string).
"""
name = ''
self.assertFalse(isValidRouterNickname(name))
def test_parse_nickname_isValidRouterNickname_invalid_symbols(self):
"""isValidRouterNickname() should return False for an invalid nickname
(with symbols in it).
"""
name = 'what_the_bl#@p?!'
self.assertFalse(isValidRouterNickname(name))
def test_parse_nickname_isValidRouterNickname_valid_1(self):
"""isValidRouterNickname() should return True for a valid nickname."""
name = 'maketotaldestroy'
self.assertTrue(isValidRouterNickname(name))
def test_parse_nickname_isValidRouterNickname_valid(self):
"""isValidRouterNickname() should return True for a valid nickname."""
name = 'Unmentionable'
self.assertTrue(isValidRouterNickname(name))
def parseRLine(line):
"""Parse an 'r'-line from a networkstatus document.
From torspec.git/dir-spec.txt, commit 36761c7d553d L1499-1512:
| "r" SP nickname SP identity SP digest SP publication SP IP SP ORPort
| SP DirPort NL
|
| [At start, exactly once.]
|
| "Nickname" is the OR's nickname. "Identity" is a hash of its
| identity key, encoded in base64, with trailing equals sign(s)
| removed. "Digest" is a hash of its most recent descriptor as
| signed (that is, not including the signature), encoded in base64.
| "Publication" is the
| publication time of its most recent descriptor, in the form
| YYYY-MM-DD HH:MM:SS, in UTC. "IP" is its current IP address;
| ORPort is its current OR port, "DirPort" is its current directory
| port, or "0" for "none".
:param string line: An 'r'-line from an bridge-network-status descriptor.
:returns:
A 7-tuple of::
(nickname, identityDigest, descriptorDigest, timestamp,
orAddress, orPort, dirport)
where each value is set according to the data parsed from the
**line**, or ``None`` if nothing suitable could be parsed.
"""
(nickname, ID, descDigest, timestamp,
ORaddr, ORport, dirport) = (None for x in xrange(7))
try:
if not line.startswith('r '):
raise NetworkstatusParsingError(
"Networkstatus parser received non 'r'-line: %r" % line)
line = line[2:] # Chop off the 'r '
fields = line.split()
if len(fields) != 8:
raise NetworkstatusParsingError(
"Wrong number of fields in networkstatus 'r'-line: %r" % line)
nickname, ID = fields[:2]
try:
ID = parseUnpaddedBase64(ID)
except InvalidBase64 as error:
raise InvalidNetworkstatusRouterIdentity(error)
# Check the nickname validity after parsing the ID, otherwise, if the
# nickname is invalid, we end up with the nickname being ``None`` and
# the ID being unparsed, unpadded (meaning it is technically invalid)
# base64.
isValidRouterNickname(nickname)
except NetworkstatusParsingError as error:
logging.error(error)
nickname, ID = None, None
except InvalidRouterNickname as error:
logging.error(error)
# Assume that we mostly care about obtaining the OR's ID, then it
# should be okay to set the nickname to ``None``, if it was invalid.
nickname = None
except InvalidNetworkstatusRouterIdentity as error:
logging.error(error)
ID = None
else:
try:
descDigest = parseUnpaddedBase64(fields[2])
timestamp = time.mktime(time.strptime(" ".join(fields[3:5]),
"%Y-%m-%d %H:%M:%S"))
ORaddr = fields[5]
ORport = int(fields[6])
dirport = fields[7]
except InvalidBase64 as error:
logging.error(error)
descDigest = None
except (AttributeError, ValueError, IndexError) as error:
logging.error(error)
timestamp = None
finally:
return (nickname, ID, descDigest, timestamp, ORaddr, ORport, dirport)
def parseRLine(line):
"""Parse an 'r'-line from a networkstatus document.
From torspec.git/dir-spec.txt, commit 36761c7d553d L1499-1512:
| "r" SP nickname SP identity SP digest SP publication SP IP SP ORPort
| SP DirPort NL
|
| [At start, exactly once.]
|
| "Nickname" is the OR's nickname. "Identity" is a hash of its
| identity key, encoded in base64, with trailing equals sign(s)
| removed. "Digest" is a hash of its most recent descriptor as
| signed (that is, not including the signature), encoded in base64.
| "Publication" is the
| publication time of its most recent descriptor, in the form
| YYYY-MM-DD HH:MM:SS, in UTC. "IP" is its current IP address;
| ORPort is its current OR port, "DirPort" is its current directory
| port, or "0" for "none".
:param string line: An 'r'-line from an bridge-network-status descriptor.
:returns:
A 7-tuple of::
(nickname, identityDigest, descriptorDigest, timestamp,
orAddress, orPort, dirport)
where each value is set according to the data parsed from the
**line**, or ``None`` if nothing suitable could be parsed.
"""
(nickname, ID, descDigest, timestamp, ORaddr, ORport,
dirport) = (None for x in xrange(7))
try:
if not line.startswith('r '):
raise NetworkstatusParsingError(
"Networkstatus parser received non 'r'-line: %r" % line)
line = line[2:] # Chop off the 'r '
fields = line.split()
if len(fields) != 8:
raise NetworkstatusParsingError(
"Wrong number of fields in networkstatus 'r'-line: %r" % line)
nickname, ID = fields[:2]
try:
ID = parseUnpaddedBase64(ID)
except InvalidBase64 as error:
raise InvalidNetworkstatusRouterIdentity(error)
# Check the nickname validity after parsing the ID, otherwise, if the
# nickname is invalid, we end up with the nickname being ``None`` and
# the ID being unparsed, unpadded (meaning it is technically invalid)
# base64.
isValidRouterNickname(nickname)
except NetworkstatusParsingError as error:
logging.error(error)
nickname, ID = None, None
except InvalidRouterNickname as error:
logging.error(error)
# Assume that we mostly care about obtaining the OR's ID, then it
# should be okay to set the nickname to ``None``, if it was invalid.
nickname = None
except InvalidNetworkstatusRouterIdentity as error:
logging.error(error)
ID = None
else:
try:
descDigest = parseUnpaddedBase64(fields[2])
timestamp = time.mktime(
time.strptime(" ".join(fields[3:5]), "%Y-%m-%d %H:%M:%S"))
ORaddr = fields[5]
ORport = int(fields[6])
dirport = fields[7]
except InvalidBase64 as error:
logging.error(error)
descDigest = None
except (AttributeError, ValueError, IndexError) as error:
logging.error(error)
timestamp = None
finally:
return (nickname, ID, descDigest, timestamp, ORaddr, ORport, dirport)
