def parse_ticket(secret, ticket, ip):
"""
Parse the ticket, returning (timestamp, userid, tokens, user_data).
If the ticket cannot be parsed, ``BadTicket`` will be raised with
an explanation.
"""
ticket = ticket.strip('"')
digest = ticket[:32]
try:
timestamp = int(ticket[32:40], 16)
except ValueError as e:
raise BadTicket('Timestamp is not a hex integer: %s' % e)
try:
userid, data = ticket[40:].split('!', 1)
except ValueError:
raise BadTicket('userid is not followed by !')
userid = url_unquote(userid)
if '!' in data:
tokens, user_data = data.split('!', 1)
else:
# @@: Is this the right order?
tokens = ''
user_data = data
expected = calculate_digest(ip, timestamp, secret, userid, tokens,
user_data)
if expected != digest:
raise BadTicket('Digest signature is not correct',
expected=(expected, digest))
tokens = tokens.split(',')
return (timestamp, userid, tokens, user_data)
def parse_ticket(secret, ticket, ip):
"""
Parse the ticket, returning (timestamp, userid, tokens, user_data).
If the ticket cannot be parsed, ``BadTicket`` will be raised with
an explanation.
"""
ticket = ticket.strip('"')
digest = ticket[:32]
try:
timestamp = int(ticket[32:40], 16)
except ValueError as e:
raise BadTicket('Timestamp is not a hex integer: %s' % e)
try:
userid, data = ticket[40:].split('!', 1)
except ValueError:
raise BadTicket('userid is not followed by !')
userid = url_unquote(userid)
if '!' in data:
tokens, user_data = data.split('!', 1)
else:
# @@: Is this the right order?
tokens = ''
user_data = data
expected = calculate_digest(ip, timestamp, secret,
userid, tokens, user_data)
if expected != digest:
raise BadTicket('Digest signature is not correct',
expected=(expected, digest))
tokens = tokens.split(',')
return (timestamp, userid, tokens, user_data)
def parse_ticket(secret, ticket, ip, digest_algorithm=DEFAULT_DIGEST):
"""
Parse the ticket, returning (timestamp, userid, tokens, user_data).
If the ticket cannot be parsed, ``BadTicket`` will be raised with
an explanation.
"""
ticket = ticket.strip('"')
if isinstance(digest_algorithm, str):
digest_algorithm = getattr(hashlib, digest_algorithm)
if digest_algorithm is None:
digest_algorithm = DEFAULT_DIGEST
try:
digest_func = digest_algorithm()
digest_size = digest_func.digest_size * 2
except:
digest_func = digest_algorithm
digest_size = digest_func.digest_size * 2
digest = ticket[:digest_size]
try:
timestamp = int(ticket[digest_size:digest_size+8], 16)
except ValueError as e:
raise BadTicket('Timestamp is not a hex integer: %s' % e)
try:
userid, data = ticket[digest_size+8:].split('!', 1)
except ValueError:
raise BadTicket('userid is not followed by !')
userid = url_unquote(userid)
if '!' in data:
tokens, user_data = data.split('!', 1)
else:
# @@: Is this the right order?
tokens = ''
user_data = data
if isinstance(digest_algorithm, str):
digest_algorithm = getattr(hashlib, digest_algorithm)
expected = calculate_digest(ip, timestamp, secret,
userid, tokens, user_data,
digest_algorithm)
if expected != digest:
raise BadTicket('Digest signature is not correct',
expected=(expected, digest))
tokens = tokens.split(',')
return (timestamp, userid, tokens, user_data)
