448 lines
15 KiB
Python
448 lines
15 KiB
Python
from typing import Dict, List, Any, Optional, Tuple
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import logging, coloredlogs
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from logging.handlers import TimedRotatingFileHandler
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from twisted.web.http import Request
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from datetime import datetime
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import pytz
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import base64
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import zlib
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from Crypto.PublicKey import RSA
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from Crypto.Hash import SHA
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from Crypto.Signature import PKCS1_v1_5
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from time import strptime
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from core.config import CoreConfig
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from core.utils import Utils
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from core.data import Data
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from core.const import *
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class AllnetServlet:
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def __init__(self, core_cfg: CoreConfig, cfg_folder: str):
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super().__init__()
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self.config = core_cfg
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self.config_folder = cfg_folder
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self.data = Data(core_cfg)
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self.uri_registry: Dict[str, Tuple[str, str]] = {}
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self.logger = logging.getLogger("allnet")
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if not hasattr(self.logger, "initialized"):
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log_fmt_str = "[%(asctime)s] Allnet | %(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, "allnet"),
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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(core_cfg.allnet.loglevel)
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coloredlogs.install(
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level=core_cfg.allnet.loglevel, logger=self.logger, fmt=log_fmt_str
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)
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self.logger.initialized = True
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plugins = Utils.get_all_titles()
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if len(plugins) == 0:
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self.logger.error("No games detected!")
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for _, mod in plugins.items():
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if hasattr(mod.index, "get_allnet_info"):
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for code in mod.game_codes:
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enabled, uri, host = mod.index.get_allnet_info(
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code, self.config, self.config_folder
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)
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if enabled:
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self.uri_registry[code] = (uri, host)
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self.logger.info(
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f"Serving {len(self.uri_registry)} game codes port {core_cfg.allnet.port}"
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)
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def handle_poweron(self, request: Request, _: Dict):
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request_ip = Utils.get_ip_addr(request)
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try:
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req_dict = self.allnet_req_to_dict(request.content.getvalue())
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if req_dict is None:
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raise AllnetRequestException()
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req = AllnetPowerOnRequest(req_dict[0])
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# Validate the request. Currently we only validate the fields we plan on using
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if not req.game_id or not req.ver or not req.serial or not req.ip:
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raise AllnetRequestException(
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f"Bad auth request params from {request_ip} - {vars(req)}"
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)
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except AllnetRequestException as e:
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if e.message != "":
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self.logger.error(e)
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return b""
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if req.format_ver == "3":
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resp = AllnetPowerOnResponse3(req.token)
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else:
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resp = AllnetPowerOnResponse2()
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self.logger.debug(f"Allnet request: {vars(req)}")
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if req.game_id not in self.uri_registry:
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msg = f"Unrecognised game {req.game_id} attempted allnet auth from {request_ip}."
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self.data.base.log_event(
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"allnet", "ALLNET_AUTH_UNKNOWN_GAME", logging.WARN, msg
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)
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self.logger.warn(msg)
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resp.stat = 0
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return self.dict_to_http_form_string([vars(resp)])
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resp.uri, resp.host = self.uri_registry[req.game_id]
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machine = self.data.arcade.get_machine(req.serial)
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if machine is None and not self.config.server.allow_unregistered_serials:
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msg = f"Unrecognised serial {req.serial} attempted allnet auth from {request_ip}."
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self.data.base.log_event(
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"allnet", "ALLNET_AUTH_UNKNOWN_SERIAL", logging.WARN, msg
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)
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self.logger.warn(msg)
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resp.stat = 0
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return self.dict_to_http_form_string([vars(resp)])
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if machine is not None:
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arcade = self.data.arcade.get_arcade(machine["arcade"])
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country = (
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arcade["country"] if machine["country"] is None else machine["country"]
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)
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if country is None:
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country = AllnetCountryCode.JAPAN.value
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resp.country = country
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resp.place_id = arcade["id"]
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resp.allnet_id = machine["id"]
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resp.name = arcade["name"] if arcade["name"] is not None else ""
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resp.nickname = arcade["nickname"] if arcade["nickname"] is not None else ""
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resp.region0 = (
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arcade["region_id"]
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if arcade["region_id"] is not None
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else AllnetJapanRegionId.AICHI.value
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)
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resp.region_name0 = (
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arcade["country"]
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if arcade["country"] is not None
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else AllnetCountryCode.JAPAN.value
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)
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resp.region_name1 = (
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arcade["state"]
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if arcade["state"] is not None
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else AllnetJapanRegionId.AICHI.name
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)
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resp.region_name2 = arcade["city"] if arcade["city"] is not None else ""
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resp.client_timezone = (
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arcade["timezone"] if arcade["timezone"] is not None else "+0900"
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)
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int_ver = req.ver.replace(".", "")
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resp.uri = resp.uri.replace("$v", int_ver)
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resp.host = resp.host.replace("$v", int_ver)
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msg = f"{req.serial} authenticated from {request_ip}: {req.game_id} v{req.ver}"
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self.data.base.log_event("allnet", "ALLNET_AUTH_SUCCESS", logging.INFO, msg)
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self.logger.info(msg)
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self.logger.debug(f"Allnet response: {vars(resp)}")
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return self.dict_to_http_form_string([vars(resp)]).encode("utf-8")
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def handle_dlorder(self, request: Request, _: Dict):
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request_ip = Utils.get_ip_addr(request)
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try:
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req_dict = self.allnet_req_to_dict(request.content.getvalue())
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if req_dict is None:
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raise AllnetRequestException()
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req = AllnetDownloadOrderRequest(req_dict[0])
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# Validate the request. Currently we only validate the fields we plan on using
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if not req.game_id or not req.ver or not req.serial:
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raise AllnetRequestException(
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f"Bad download request params from {request_ip} - {vars(req)}"
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)
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except AllnetRequestException as e:
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if e.message != "":
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self.logger.error(e)
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return b""
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resp = AllnetDownloadOrderResponse()
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if not self.config.allnet.allow_online_updates:
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return self.dict_to_http_form_string([vars(resp)])
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else: # TODO: Actual dlorder response
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return self.dict_to_http_form_string([vars(resp)])
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def handle_billing_request(self, request: Request, _: Dict):
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req_dict = self.billing_req_to_dict(request.content.getvalue())
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request_ip = request.getClientAddress()
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if req_dict is None:
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self.logger.error(f"Failed to parse request {request.content.getvalue()}")
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return b""
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self.logger.debug(f"request {req_dict}")
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rsa = RSA.import_key(open(self.config.billing.signing_key, "rb").read())
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signer = PKCS1_v1_5.new(rsa)
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digest = SHA.new()
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kc_playlimit = int(req_dict[0]["playlimit"])
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kc_nearfull = int(req_dict[0]["nearfull"])
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kc_billigtype = int(req_dict[0]["billingtype"])
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kc_playcount = int(req_dict[0]["playcnt"])
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kc_serial: str = req_dict[0]["keychipid"]
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kc_game: str = req_dict[0]["gameid"]
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kc_date = strptime(req_dict[0]["date"], "%Y%m%d%H%M%S")
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kc_serial_bytes = kc_serial.encode()
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machine = self.data.arcade.get_machine(kc_serial)
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if machine is None and not self.config.server.allow_unregistered_serials:
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msg = f"Unrecognised serial {kc_serial} attempted billing checkin from {request_ip} for game {kc_game}."
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self.data.base.log_event(
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"allnet", "BILLING_CHECKIN_NG_SERIAL", logging.WARN, msg
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)
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self.logger.warn(msg)
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resp = BillingResponse("", "", "", "")
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resp.result = "1"
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return self.dict_to_http_form_string([vars(resp)])
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msg = (
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f"Billing checkin from {request.getClientIP()}: game {kc_game} keychip {kc_serial} playcount "
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f"{kc_playcount} billing_type {kc_billigtype} nearfull {kc_nearfull} playlimit {kc_playlimit}"
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)
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self.logger.info(msg)
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self.data.base.log_event("billing", "BILLING_CHECKIN_OK", logging.INFO, msg)
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while kc_playcount > kc_playlimit:
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kc_playlimit += 1024
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kc_nearfull += 1024
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playlimit = kc_playlimit
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nearfull = kc_nearfull + (kc_billigtype * 0x00010000)
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digest.update(playlimit.to_bytes(4, "little") + kc_serial_bytes)
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playlimit_sig = signer.sign(digest).hex()
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digest = SHA.new()
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digest.update(nearfull.to_bytes(4, "little") + kc_serial_bytes)
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nearfull_sig = signer.sign(digest).hex()
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# TODO: playhistory
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resp = BillingResponse(playlimit, playlimit_sig, nearfull, nearfull_sig)
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resp_str = self.dict_to_http_form_string([vars(resp)], True)
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if resp_str is None:
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self.logger.error(f"Failed to parse response {vars(resp)}")
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self.logger.debug(f"response {vars(resp)}")
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return resp_str.encode("utf-8")
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def handle_naomitest(self, request: Request, _: Dict) -> bytes:
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self.logger.info(f"Ping from {Utils.get_ip_addr(request)}")
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return b"naomi ok"
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def kvp_to_dict(self, kvp: List[str]) -> List[Dict[str, Any]]:
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ret: List[Dict[str, Any]] = []
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for x in kvp:
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items = x.split("&")
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tmp = {}
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for item in items:
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kvp = item.split("=")
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if len(kvp) == 2:
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tmp[kvp[0]] = kvp[1]
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ret.append(tmp)
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return ret
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def billing_req_to_dict(self, data: bytes):
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"""
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Parses an billing request string into a python dictionary
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"""
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try:
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decomp = zlib.decompressobj(-zlib.MAX_WBITS)
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unzipped = decomp.decompress(data)
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sections = unzipped.decode("ascii").split("\r\n")
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return self.kvp_to_dict(sections)
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except Exception as e:
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self.logger.error(f"billing_req_to_dict: {e} while parsing {data}")
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return None
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def allnet_req_to_dict(self, data: str) -> Optional[List[Dict[str, Any]]]:
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"""
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Parses an allnet request string into a python dictionary
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"""
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try:
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zipped = base64.b64decode(data)
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unzipped = zlib.decompress(zipped)
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sections = unzipped.decode("utf-8").split("\r\n")
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return self.kvp_to_dict(sections)
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except Exception as e:
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self.logger.error(f"allnet_req_to_dict: {e} while parsing {data}")
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return None
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def dict_to_http_form_string(
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self,
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data: List[Dict[str, Any]],
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crlf: bool = False,
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trailing_newline: bool = True,
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) -> Optional[str]:
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"""
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Takes a python dictionary and parses it into an allnet response string
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"""
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try:
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urlencode = ""
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for item in data:
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for k, v in item.items():
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urlencode += f"{k}={v}&"
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if crlf:
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urlencode = urlencode[:-1] + "\r\n"
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else:
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urlencode = urlencode[:-1] + "\n"
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if not trailing_newline:
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if crlf:
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urlencode = urlencode[:-2]
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else:
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urlencode = urlencode[:-1]
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return urlencode
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except Exception as e:
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self.logger.error(f"dict_to_http_form_string: {e} while parsing {data}")
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return None
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class AllnetPowerOnRequest:
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def __init__(self, req: Dict) -> None:
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if req is None:
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raise AllnetRequestException("Request processing failed")
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self.game_id: str = req.get("game_id", "")
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self.ver: str = req.get("ver", "")
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self.serial: str = req.get("serial", "")
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self.ip: str = req.get("ip", "")
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self.firm_ver: str = req.get("firm_ver", "")
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self.boot_ver: str = req.get("boot_ver", "")
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self.encode: str = req.get("encode", "")
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self.hops = int(req.get("hops", "0"))
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self.format_ver = req.get("format_ver", "2")
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self.token = int(req.get("token", "0"))
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class AllnetPowerOnResponse3:
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def __init__(self, token) -> None:
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self.stat = 1
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self.uri = ""
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self.host = ""
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self.place_id = "123"
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self.name = ""
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self.nickname = ""
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self.region0 = "1"
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self.region_name0 = "W"
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self.region_name1 = ""
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self.region_name2 = ""
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self.region_name3 = ""
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self.country = "JPN"
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self.allnet_id = "123"
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self.client_timezone = "+0900"
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self.utc_time = datetime.now(tz=pytz.timezone("UTC")).strftime(
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"%Y-%m-%dT%H:%M:%SZ"
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)
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self.setting = ""
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self.res_ver = "3"
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self.token = str(token)
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class AllnetPowerOnResponse2:
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def __init__(self) -> None:
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self.stat = 1
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self.uri = ""
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self.host = ""
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self.place_id = "123"
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self.name = "Test"
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self.nickname = "Test123"
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self.region0 = "1"
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self.region_name0 = "W"
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self.region_name1 = "X"
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self.region_name2 = "Y"
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self.region_name3 = "Z"
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self.country = "JPN"
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self.year = datetime.now().year
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self.month = datetime.now().month
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self.day = datetime.now().day
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self.hour = datetime.now().hour
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self.minute = datetime.now().minute
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self.second = datetime.now().second
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self.setting = "1"
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self.timezone = "+0900"
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self.res_class = "PowerOnResponseV2"
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class AllnetDownloadOrderRequest:
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def __init__(self, req: Dict) -> None:
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self.game_id = req.get("game_id", "")
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self.ver = req.get("ver", "")
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self.serial = req.get("serial", "")
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self.encode = req.get("encode", "")
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class AllnetDownloadOrderResponse:
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def __init__(self, stat: int = 1, serial: str = "", uri: str = "null") -> None:
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self.stat = stat
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self.serial = serial
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self.uri = uri
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class BillingResponse:
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def __init__(
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self,
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playlimit: str = "",
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playlimit_sig: str = "",
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nearfull: str = "",
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nearfull_sig: str = "",
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playhistory: str = "000000/0:000000/0:000000/0",
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) -> None:
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self.result = "0"
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self.waitime = "100"
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self.linelimit = "1"
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self.message = ""
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self.playlimit = playlimit
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self.playlimitsig = playlimit_sig
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self.protocolver = "1.000"
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self.nearfull = nearfull
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self.nearfullsig = nearfull_sig
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self.fixlogincnt = "0"
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self.fixinterval = "5"
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self.playhistory = playhistory
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# playhistory -> YYYYMM/C:...
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# YYYY -> 4 digit year, MM -> 2 digit month, C -> Playcount during that period
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class AllnetRequestException(Exception):
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def __init__(self, message="") -> None:
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self.message = message
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super().__init__(self.message)
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