mirror of
https://git.ugnet.gay/CrossTalk/azul.git
synced 2026-05-27 22:59:49 +00:00
Athena Funderburg
88 lines
3.0 KiB
Python
88 lines
3.0 KiB
Python
from core.client import Client
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from util.misc import Logger
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from util.hash import gen_salt
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from ..proto.backend import login, LoginError
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from ..proto.buffer import Buffer
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from ..proto.snac import OSCARClient, OSCARContext, SNACMessage, Foodgroup, Subgroup
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from ..proto.tlv import unmarshal_tlvs, find_tlv
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pw_change_url_format = 'http://aim.aol.com/redirects/password/change_password.adp?ScreenName={}&ccode=us&lang=en'
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@Foodgroup(0x0017)
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class BUCPFoodgroup:
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logger: Logger
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@Subgroup(0x0006)
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def challenge_request(self, client: OSCARClient, context: OSCARContext, message: SNACMessage) -> None:
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self.logger.info('[Client] BUCP__CHALLENGE_REQUEST')
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tlvs = unmarshal_tlvs(message.data)
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screen_name_tlv = find_tlv(tlvs, 0x0001)
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screen_name = screen_name_tlv.data.decode()
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salt = context.backend.user_service.aim_get_md5_salt(screen_name)
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if salt is None:
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# screen name doesn't exist or user did not enable OSCAR
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salt = gen_salt()
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response_msg = SNACMessage(0x0001, 0x0007)
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response_msg.write_u16(len(salt))
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response_msg.write_string(salt)
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self.logger.info('[Server] BUCP__CHALLENGE_RESPONSE (salt:', salt + ')')
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client.send_snac(response_msg)
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@Subgroup(0x0002)
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def login_request(self, client: OSCARClient, context: OSCARContext, message: SNACMessage) -> None:
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self.logger.info('[Client] BUCP__LOGIN_REQUEST')
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tlvs = unmarshal_tlvs(message.data)
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screen_name_tlv = find_tlv(tlvs, 0x0001)
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hashed_pw_tlv = find_tlv(tlvs, 0x0025)
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screen_name = screen_name_tlv.data.decode()
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major_tlv = find_tlv(tlvs, 0x0017)
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minor_tlv = find_tlv(tlvs, 0x0018)
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build_tlv = find_tlv(tlvs, 0x001A)
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major = Buffer(major_tlv.data).read_u16() if major_tlv else 0
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minor = Buffer(minor_tlv.data).read_u16() if minor_tlv else 0
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build = Buffer(build_tlv.data).read_u16() if build_tlv else 0
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version_str = '{}.{}.{}'.format(major, minor, build)
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context.client = Client('aim', version_str, context.client.via)
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self.logger.info('Screen Name (client-given):', screen_name)
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self.logger.info('Client version:', version_str)
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self.logger.info('Password (hashed):', hashed_pw_tlv.data)
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response_msg = SNACMessage(0x0017, 0x0003)
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error_code = None
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uuid = None
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if (uuid := context.backend.util_get_uuid_from_username(screen_name)) is None:
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error_code = LoginError.UnregisteredScreenname
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self.logger.info('Unregistered screenname')
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else:
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client_hash = hashed_pw_tlv.data
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pw_bucp1 = context.backend.user_service.aim_get_md5_password(screen_name)
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pw_bucp2 = context.backend.user_service.aim_get_md5_password_bucp2(screen_name)
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auth_ok = (pw_bucp1 is not None and pw_bucp1 == client_hash) or (pw_bucp2 is not None and pw_bucp2 == client_hash)
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if not auth_ok:
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error_code = LoginError.IncorrectPassword
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self.logger.info('Incorrect password')
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else:
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self.logger.info('Authenticated via', 'AIM5.x' if (pw_bucp2 == client_hash) else 'AIM3.5-4.8')
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response_msg.write_bytes(login(self.logger, context, tlvs, uuid, error_code))
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client.send_snac(response_msg) |