forked from Dniel97/artemis
Hay1tsme
fd50a7ee68
Update AimeDB from new [documentation](https://minori.tendokyu.moe/docs/allnet/aimedb/) of the protocol. Reviewed-on: Hay1tsme/artemis#30
323 lines
13 KiB
Python
323 lines
13 KiB
Python
from twisted.internet.protocol import Factory, Protocol
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import logging, coloredlogs
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from Crypto.Cipher import AES
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import struct
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from typing import Dict, Tuple, Callable, Union
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from typing_extensions import Final
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from logging.handlers import TimedRotatingFileHandler
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from core.config import CoreConfig
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from core.data import Data
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from .adb_handlers import *
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class AimedbProtocol(Protocol):
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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.logger = logging.getLogger("aimedb")
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self.config = core_cfg
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self.data = Data(core_cfg)
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if 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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self.register_handler(0x66, 0, self.handle_goodbye, 'goodbye')
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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 append_padding(self, data: bytes):
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"""Appends 0s to the end of the data until it's at the correct size"""
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length = struct.unpack_from("<H", data, 6)
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padding_size = length[0] - len(data)
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data += bytes(padding_size)
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return data
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def connectionMade(self) -> None:
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self.logger.debug(f"{self.transport.getPeer().host} Connected")
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def connectionLost(self, reason) -> None:
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self.logger.debug(
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f"{self.transport.getPeer().host} Disconnected - {reason.value}"
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)
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def dataReceived(self, data: bytes) -> None:
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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 None
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self.logger.debug(f"{self.transport.getPeer().host} 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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self.transport.write(encrypted)
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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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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}) @ {self.transport.getPeer().host}")
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resp = 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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if len(resp_bytes) != resp.head.length:
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resp_bytes = self.append_padding(resp_bytes)
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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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return
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else:
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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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self.transport.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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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)
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def handle_hello(self, data: bytes, resp_code: int) -> ADBBaseResponse:
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return self.handle_default(data, resp_code)
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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(req.game_id, req.store_id, req.keychip_id)
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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(req.head.game_id, req.head.store_id, req.head.keychip_id)
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# We don't currently support campaigns
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return resp
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def handle_lookup(self, data: bytes, resp_code: int) -> ADBBaseResponse:
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req = ADBLookupRequest(data)
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user_id = self.data.card.get_user_id_from_card(req.access_code)
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ret = ADBLookupResponse(user_id, req.head.game_id, req.head.store_id, req.head.keychip_id)
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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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return ret
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def handle_lookup_ex(self, data: bytes, resp_code: int) -> ADBBaseResponse:
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req = ADBLookupRequest(data)
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user_id = self.data.card.get_user_id_from_card(req.access_code)
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ret = ADBLookupExResponse(user_id, req.head.game_id, req.head.store_id, req.head.keychip_id)
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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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return ret
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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(ac, req.head.game_id, req.head.store_id, req.head.keychip_id)
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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 = 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 = 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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return ADBFelicaLookupResponse(ac, req.head.game_id, req.head.store_id, req.head.keychip_id)
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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 = 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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return ADBFelicaLookup2Response(user_id, access_code, req.head.game_id, req.head.store_id, req.head.keychip_id)
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def handle_campaign_clear(self, data: bytes, resp_code: int) -> ADBBaseResponse:
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req = ADBCampaignClearRequest(data)
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resp = ADBCampaignClearResponse(req.head.game_id, req.head.store_id, req.head.keychip_id)
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# We don't support campaign stuff
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return resp
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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 = 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 = 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(user_id, req.head.game_id, req.head.store_id, req.head.keychip_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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return resp
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# TODO: Save these in some capacity, as deemed relevant
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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)
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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)
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def handle_log_ex(self, data: bytes, resp_code: int) -> bytes:
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req = ADBLogExRequest(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)
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def handle_goodbye(self, data: bytes, resp_code: int) -> None:
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self.logger.info(f"goodbye from {self.transport.getPeer().host}")
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self.transport.loseConnection()
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return
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class AimedbFactory(Factory):
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protocol = AimedbProtocol
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def __init__(self, cfg: CoreConfig) -> None:
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self.config = cfg
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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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self.logger = logging.getLogger("aimedb")
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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=cfg.aimedb.loglevel, logger=self.logger, fmt=log_fmt_str
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)
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if self.config.aimedb.key == "":
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self.logger.error("Please set 'key' field in your config file.")
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exit(1)
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self.logger.info(f"Ready on port {self.config.aimedb.port}")
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def buildProtocol(self, addr):
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return AimedbProtocol(self.config)
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