3
2
forked from Dniel97/artemis
artemis/core/aimedb.py

357 lines
14 KiB
Python
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import logging, coloredlogs
from Crypto.Cipher import AES
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from typing import Dict, Tuple, Callable, Union, Optional
import asyncio
from logging.handlers import TimedRotatingFileHandler
from core.config import CoreConfig
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from core.utils import create_sega_auth_key
from core.data import Data
from .adb_handlers import *
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class AimedbServlette():
request_list: Dict[int, Tuple[Callable[[bytes, int], Union[ADBBaseResponse, bytes]], int, str]] = {}
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def __init__(self, core_cfg: CoreConfig) -> None:
self.config = core_cfg
self.data = Data(core_cfg)
self.logger = logging.getLogger("aimedb")
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if not hasattr(self.logger, "initted"):
log_fmt_str = "[%(asctime)s] Aimedb | %(levelname)s | %(message)s"
log_fmt = logging.Formatter(log_fmt_str)
fileHandler = TimedRotatingFileHandler(
"{0}/{1}.log".format(self.config.server.log_dir, "aimedb"),
when="d",
backupCount=10,
)
fileHandler.setFormatter(log_fmt)
consoleHandler = logging.StreamHandler()
consoleHandler.setFormatter(log_fmt)
self.logger.addHandler(fileHandler)
self.logger.addHandler(consoleHandler)
self.logger.setLevel(self.config.aimedb.loglevel)
coloredlogs.install(
level=core_cfg.aimedb.loglevel, logger=self.logger, fmt=log_fmt_str
)
self.logger.initted = True
if not core_cfg.aimedb.key:
self.logger.error("!!!KEY NOT SET!!!")
exit(1)
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self.register_handler(0x01, 0x03, self.handle_felica_lookup, 'felica_lookup')
self.register_handler(0x02, 0x03, self.handle_felica_register, 'felica_register')
self.register_handler(0x04, 0x06, self.handle_lookup, 'lookup')
self.register_handler(0x05, 0x06, self.handle_register, 'register')
self.register_handler(0x07, 0x08, self.handle_status_log, 'status_log')
self.register_handler(0x09, 0x0A, self.handle_log, 'aime_log')
self.register_handler(0x0B, 0x0C, self.handle_campaign, 'campaign')
self.register_handler(0x0D, 0x0E, self.handle_campaign_clear, 'campaign_clear')
self.register_handler(0x0F, 0x10, self.handle_lookup_ex, 'lookup_ex')
self.register_handler(0x11, 0x12, self.handle_felica_lookup_ex, 'felica_lookup_ex')
self.register_handler(0x13, 0x14, self.handle_log_ex, 'aime_log_ex')
self.register_handler(0x64, 0x65, self.handle_hello, 'hello')
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def register_handler(self, cmd: int, resp:int, handler: Callable[[bytes, int], Union[ADBBaseResponse, bytes]], name: str) -> None:
self.request_list[cmd] = (handler, resp, name)
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def start(self) -> None:
self.logger.info(f"Start on port {self.config.aimedb.port}")
asyncio.create_task(asyncio.start_server(self.dataReceived, self.config.server.listen_address, self.config.aimedb.port))
async def dataReceived(self, reader: asyncio.StreamReader, writer: asyncio.StreamWriter):
self.logger.debug(f"Connection made from {writer.get_extra_info('peername')[0]}")
while True:
try:
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data: bytes = await reader.read(4096)
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if len(data) == 0:
self.logger.debug("Connection closed")
return
await self.process_data(data, reader, writer)
await writer.drain()
except ConnectionResetError as e:
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self.logger.debug("Connection reset, disconnecting")
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return
async def process_data(self, data: bytes, reader: asyncio.StreamReader, writer: asyncio.StreamWriter) -> Optional[bytes]:
addr = writer.get_extra_info('peername')[0]
cipher = AES.new(self.config.aimedb.key.encode(), AES.MODE_ECB)
try:
decrypted = cipher.decrypt(data)
except Exception as e:
self.logger.error(f"Failed to decrypt {data.hex()} because {e}")
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return
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self.logger.debug(f"{addr} wrote {decrypted.hex()}")
try:
head = ADBHeader.from_data(decrypted)
except ADBHeaderException as e:
self.logger.error(f"Error parsing ADB header: {e}")
try:
encrypted = cipher.encrypt(ADBBaseResponse().make())
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writer.write(encrypted)
await writer.drain()
return
except Exception as e:
self.logger.error(f"Failed to encrypt default response because {e}")
return
if head.keychip_id == "ABCD1234567" or head.store_id == 0xfff0:
self.logger.warning(f"Request from uninitialized AMLib: {vars(head)}")
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if head.cmd == 0x66:
self.logger.info("Goodbye")
writer.close()
return
handler, resp_code, name = self.request_list.get(head.cmd, (self.handle_default, None, 'default'))
if resp_code is None:
self.logger.warning(f"No handler for cmd {hex(head.cmd)}")
elif resp_code > 0:
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self.logger.info(f"{name} from {head.keychip_id} ({head.game_id}) @ {addr}")
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resp = await handler(decrypted, resp_code)
if type(resp) == ADBBaseResponse or issubclass(type(resp), ADBBaseResponse):
resp_bytes = resp.make()
elif type(resp) == bytes:
resp_bytes = resp
elif resp is None: # Nothing to send, probably a goodbye
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self.logger.warn(f"None return by handler for {name}")
return
else:
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self.logger.error(f"Unsupported type returned by ADB handler for {name}: {type(resp)}")
raise TypeError(f"Unsupported type returned by ADB handler for {name}: {type(resp)}")
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try:
encrypted = cipher.encrypt(resp_bytes)
self.logger.debug(f"Response {resp_bytes.hex()}")
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writer.write(encrypted)
except Exception as e:
self.logger.error(f"Failed to encrypt {resp_bytes.hex()} because {e}")
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async def handle_default(self, data: bytes, resp_code: int, length: int = 0x20) -> ADBBaseResponse:
req = ADBHeader.from_data(data)
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return ADBBaseResponse(resp_code, length, 1, req.game_id, req.store_id, req.keychip_id, req.protocol_ver)
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async def handle_hello(self, data: bytes, resp_code: int) -> ADBBaseResponse:
return await self.handle_default(data, resp_code)
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async def handle_campaign(self, data: bytes, resp_code: int) -> ADBBaseResponse:
h = ADBHeader.from_data(data)
if h.protocol_ver >= 0x3030:
req = h
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resp = ADBCampaignResponse.from_req(req)
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else:
req = ADBOldCampaignRequest(data)
self.logger.info(f"Legacy campaign request for campaign {req.campaign_id} (protocol version {hex(h.protocol_ver)})")
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resp = ADBOldCampaignResponse.from_req(req.head)
# We don't currently support campaigns
return resp
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async def handle_lookup(self, data: bytes, resp_code: int) -> ADBBaseResponse:
req = ADBLookupRequest(data)
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user_id = await self.data.card.get_user_id_from_card(req.access_code)
is_banned = await self.data.card.get_card_banned(req.access_code)
is_locked = await self.data.card.get_card_locked(req.access_code)
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ret = ADBLookupResponse.from_req(req.head, user_id)
if is_banned and is_locked:
ret.head.status = ADBStatus.BAN_SYS_USER
elif is_banned:
ret.head.status = ADBStatus.BAN_SYS
elif is_locked:
ret.head.status = ADBStatus.LOCK_USER
self.logger.info(
f"access_code {req.access_code} -> user_id {ret.user_id}"
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)
return ret
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async def handle_lookup_ex(self, data: bytes, resp_code: int) -> ADBBaseResponse:
req = ADBLookupRequest(data)
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user_id = await self.data.card.get_user_id_from_card(req.access_code)
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is_banned = await self.data.card.get_card_banned(req.access_code)
is_locked = await self.data.card.get_card_locked(req.access_code)
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ret = ADBLookupExResponse.from_req(req.head, user_id)
if is_banned and is_locked:
ret.head.status = ADBStatus.BAN_SYS_USER
elif is_banned:
ret.head.status = ADBStatus.BAN_SYS
elif is_locked:
ret.head.status = ADBStatus.LOCK_USER
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self.logger.info(
f"access_code {req.access_code} -> user_id {ret.user_id}"
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)
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if user_id and user_id > 0 and self.config.aimedb.id_secret:
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auth_key = create_sega_auth_key(user_id, req.head.game_id, req.head.store_id, req.head.keychip_id, self.config.aimedb.id_secret, self.config.aimedb.id_lifetime_seconds)
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if auth_key is not None:
auth_key_extra_len = 256 - len(auth_key)
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auth_key_full = auth_key.encode() + (b"\0" * auth_key_extra_len)
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self.logger.debug(f"Generated auth token {auth_key}")
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ret.auth_key = auth_key_full
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return ret
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async def handle_felica_lookup(self, data: bytes, resp_code: int) -> bytes:
"""
On official, I think a card has to be registered for this to actually work, but
I'm making the executive decision to not implement that and just kick back our
faux generated access code. The real felica IDm -> access code conversion is done
on the ADB server, which we do not and will not ever have access to. Because we can
assure that all IDms will be unique, this basic 0-padded hex -> int conversion will
be fine.
"""
req = ADBFelicaLookupRequest(data)
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ac = await self.data.card.to_access_code(req.idm)
self.logger.info(
f"idm {req.idm} ipm {req.pmm} -> access_code {ac}"
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)
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return ADBFelicaLookupResponse.from_req(req.head, ac)
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async def handle_felica_register(self, data: bytes, resp_code: int) -> bytes:
"""
I've never seen this used.
"""
req = ADBFelicaLookupRequest(data)
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ac = await self.data.card.to_access_code(req.idm)
if self.config.server.allow_user_registration:
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user_id = await self.data.user.create_user()
if user_id is None:
self.logger.error("Failed to register user!")
user_id = -1
else:
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card_id = await self.data.card.create_card(user_id, ac)
if card_id is None:
self.logger.error("Failed to register card!")
user_id = -1
self.logger.info(
f"Register access code {ac} (IDm: {req.idm} PMm: {req.pmm}) -> user_id {user_id}"
)
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else:
self.logger.info(
f"Registration blocked!: access code {ac} (IDm: {req.idm} PMm: {req.pmm})"
)
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return ADBFelicaLookupResponse.from_req(req.head, ac)
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async def handle_felica_lookup_ex(self, data: bytes, resp_code: int) -> bytes:
req = ADBFelicaLookup2Request(data)
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access_code = await self.data.card.to_access_code(req.idm)
user_id = await self.data.card.get_user_id_from_card(access_code=access_code)
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if user_id is None:
user_id = -1
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self.logger.info(
f"idm {req.idm} ipm {req.pmm} -> access_code {access_code} user_id {user_id}"
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)
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resp = ADBFelicaLookup2Response.from_req(req.head, user_id, access_code)
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if user_id and user_id > 0 and self.config.aimedb.id_secret:
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auth_key = create_sega_auth_key(user_id, req.head.game_id, req.head.store_id, req.head.keychip_id, self.config.aimedb.id_secret, self.config.aimedb.id_lifetime_seconds)
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if auth_key is not None:
auth_key_extra_len = 256 - len(auth_key)
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auth_key_full = auth_key.encode() + (b"\0" * auth_key_extra_len)
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self.logger.debug(f"Generated auth token {auth_key}")
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resp.auth_key = auth_key_full
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return resp
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async def handle_campaign_clear(self, data: bytes, resp_code: int) -> ADBBaseResponse:
req = ADBCampaignClearRequest(data)
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resp = ADBCampaignClearResponse.from_req(req.head)
# We don't support campaign stuff
return resp
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async def handle_register(self, data: bytes, resp_code: int) -> bytes:
req = ADBLookupRequest(data)
user_id = -1
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if self.config.server.allow_user_registration:
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user_id = await self.data.user.create_user()
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if user_id is None:
self.logger.error("Failed to register user!")
user_id = -1
else:
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card_id = await self.data.card.create_card(user_id, req.access_code)
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if card_id is None:
self.logger.error("Failed to register card!")
user_id = -1
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self.logger.info(
f"Register access code {req.access_code} -> user_id {user_id}"
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)
else:
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self.logger.info(
f"Registration blocked!: access code {req.access_code}"
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)
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resp = ADBLookupResponse.from_req(req.head, user_id)
if resp.user_id <= 0:
resp.head.status = ADBStatus.BAN_SYS # Closest we can get to a "You cannot register"
return resp
# TODO: Save these in some capacity, as deemed relevant
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async def handle_status_log(self, data: bytes, resp_code: int) -> bytes:
req = ADBStatusLogRequest(data)
self.logger.info(f"User {req.aime_id} logged {req.status.name} event")
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return ADBBaseResponse(resp_code, 0x20, 1, req.head.game_id, req.head.store_id, req.head.keychip_id, req.head.protocol_ver)
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async def handle_log(self, data: bytes, resp_code: int) -> bytes:
req = ADBLogRequest(data)
self.logger.info(f"User {req.aime_id} logged {req.status.name} event, credit_ct: {req.credit_ct} bet_ct: {req.bet_ct} won_ct: {req.won_ct}")
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return ADBBaseResponse(resp_code, 0x20, 1, req.head.game_id, req.head.store_id, req.head.keychip_id, req.head.protocol_ver)
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async def handle_log_ex(self, data: bytes, resp_code: int) -> bytes:
req = ADBLogExRequest(data)
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strs = []
self.logger.info(f"Recieved {req.num_logs} or {len(req.logs)} logs")
for x in range(req.num_logs):
self.logger.debug(f"User {req.logs[x].aime_id} logged {req.logs[x].status.name} event, credit_ct: {req.logs[x].credit_ct} bet_ct: {req.logs[x].bet_ct} won_ct: {req.logs[x].won_ct}")
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return ADBLogExResponse.from_req(req.head)