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