324 lines
10 KiB
Python
324 lines
10 KiB
Python
import copy
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import json
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import traceback
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from typing import Any, Callable, Dict
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from flask import Flask, abort, request, Response
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from functools import wraps
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from bemani.api.exceptions import APIException
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from bemani.api.objects import RecordsObject, ProfileObject, StatisticsObject, CatalogObject
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from bemani.api.types import g
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from bemani.common import GameConstants, APIConstants, VersionConstants
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from bemani.data import Data
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app = Flask(
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__name__
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)
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config: Dict[str, Any] = {}
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SUPPORTED_VERSIONS = ['v1']
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def jsonify_response(data: Dict[str, Any], code: int=200) -> Response:
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return Response(
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json.dumps(data).encode('utf8'),
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content_type="application/json; charset=utf-8",
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status=code,
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)
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@app.before_request
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def before_request() -> None:
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global config
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g.config = config
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g.data = Data(config)
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g.authorized = False
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authkey = request.headers.get('Authorization')
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if authkey is not None:
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try:
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authtype, authtoken = authkey.split(' ', 1)
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except ValueError:
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authtype = None
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authtoken = None
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if authtype.lower() == 'token':
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g.authorized = g.data.local.api.validate_client(authtoken)
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@app.after_request
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def after_request(response: Response) -> Response:
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# Make sure our REST responses don't get cached, so that remote
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# servers which respect cache headers don't get confused.
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response.cache_control.no_cache = True
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response.cache_control.must_revalidate = True
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response.cache_control.private = True
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return response
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@app.teardown_request
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def teardown_request(exception: Any) -> None:
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data = getattr(g, 'data', None)
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if data is not None:
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data.close()
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def authrequired(func: Callable) -> Callable:
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@wraps(func)
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def decoratedfunction(*args: Any, **kwargs: Any) -> Response:
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if not g.authorized:
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return jsonify_response(
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{'error': 'Unauthorized client!'},
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401,
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)
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else:
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return func(*args, **kwargs)
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return decoratedfunction
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def jsonify(func: Callable) -> Callable:
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@wraps(func)
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def decoratedfunction(*args: Any, **kwargs: Any) -> Response:
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return jsonify_response(func(*args, **kwargs))
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return decoratedfunction
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@app.errorhandler(Exception)
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def server_exception(exception: Any) -> Response:
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stack = ''.join(traceback.format_exception(type(exception), exception, exception.__traceback__))
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print(stack)
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try:
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g.data.local.network.put_event(
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'exception',
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{
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'service': 'api',
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'request': request.url,
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'traceback': stack,
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},
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)
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except Exception:
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pass
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return jsonify_response(
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{'error': 'Exception occured while processing request.'},
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500,
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)
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@app.errorhandler(APIException)
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def api_exception(exception: Any) -> Response:
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return jsonify_response(
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{'error': exception.message},
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exception.code,
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)
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@app.errorhandler(500)
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def server_error(error: Any) -> Response:
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return jsonify_response(
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{'error': 'Exception occured while processing request.'},
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500,
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)
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@app.errorhandler(501)
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def protocol_error(error: Any) -> Response:
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return jsonify_response(
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{'error': 'Unsupported protocol version in request.'},
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501,
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)
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@app.errorhandler(400)
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def bad_json(error: Any) -> Response:
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return jsonify_response(
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{'error': 'Request JSON could not be decoded.'},
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500,
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)
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@app.errorhandler(404)
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def unrecognized_object(error: Any) -> Response:
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return jsonify_response(
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{'error': 'Unrecognized request game/version or object.'},
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404,
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)
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@app.errorhandler(405)
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def invalid_request(error: Any) -> Response:
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return jsonify_response(
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{'error': 'Invalid request URI or method.'},
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405,
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)
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@app.route('/<path:path>', methods=['GET', 'POST'])
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@authrequired
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def catch_all(path: str) -> Response:
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abort(405)
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@app.route('/', methods=['GET', 'POST'])
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@authrequired
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@jsonify
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def info() -> Dict[str, Any]:
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requestdata = request.get_json()
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if requestdata is None:
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raise APIException('Request JSON could not be decoded.')
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if requestdata:
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raise APIException('Unrecognized parameters for request.')
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return {
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'versions': SUPPORTED_VERSIONS,
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'name': g.config.get('name', 'e-AMUSEMENT Network'),
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'email': g.config.get('email', 'nobody@nowhere.com'),
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}
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@app.route('/<protoversion>/<requestgame>/<requestversion>', methods=['GET', 'POST'])
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@authrequired
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@jsonify
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def lookup(protoversion: str, requestgame: str, requestversion: str) -> Dict[str, Any]:
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requestdata = request.get_json()
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for expected in ['type', 'ids', 'objects']:
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if expected not in requestdata:
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raise APIException('Missing parameters for request.')
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for param in requestdata:
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if param not in ['type', 'ids', 'objects', 'since', 'until']:
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raise APIException('Unrecognized parameters for request.')
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args = copy.deepcopy(requestdata)
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del args['type']
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del args['ids']
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del args['objects']
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if protoversion not in SUPPORTED_VERSIONS:
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# Don't know about this protocol version
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abort(501)
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# Figure out what games we support based on config, and map those.
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gamemapping = {}
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for (gameid, constant) in [
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('ddr', GameConstants.DDR),
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('iidx', GameConstants.IIDX),
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('jubeat', GameConstants.JUBEAT),
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('museca', GameConstants.MUSECA),
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('popnmusic', GameConstants.POPN_MUSIC),
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('reflecbeat', GameConstants.REFLEC_BEAT),
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('soundvoltex', GameConstants.SDVX),
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]:
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if g.config.get('support', {}).get(constant, False):
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gamemapping[gameid] = constant
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game = gamemapping.get(requestgame)
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if game is None:
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# Don't support this game!
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abort(404)
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if requestversion[0] == 'o':
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omnimix = True
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requestversion = requestversion[1:]
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else:
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omnimix = False
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version = {
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GameConstants.DDR: {
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'12': VersionConstants.DDR_X2,
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'13': VersionConstants.DDR_X3_VS_2NDMIX,
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'14': VersionConstants.DDR_2013,
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'15': VersionConstants.DDR_2014,
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'16': VersionConstants.DDR_ACE,
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},
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GameConstants.IIDX: {
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'20': VersionConstants.IIDX_TRICORO,
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'21': VersionConstants.IIDX_SPADA,
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'22': VersionConstants.IIDX_PENDUAL,
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'23': VersionConstants.IIDX_COPULA,
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'24': VersionConstants.IIDX_SINOBUZ,
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'25': VersionConstants.IIDX_CANNON_BALLERS,
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'26': VersionConstants.IIDX_ROOTAGE,
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},
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GameConstants.JUBEAT: {
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'5': VersionConstants.JUBEAT_SAUCER,
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'5a': VersionConstants.JUBEAT_SAUCER_FULFILL,
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'6': VersionConstants.JUBEAT_PROP,
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'7': VersionConstants.JUBEAT_QUBELL,
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'8': VersionConstants.JUBEAT_CLAN,
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},
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GameConstants.MUSECA: {
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'1': VersionConstants.MUSECA,
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'1p': VersionConstants.MUSECA_1_PLUS,
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},
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GameConstants.POPN_MUSIC: {
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'19': VersionConstants.POPN_MUSIC_TUNE_STREET,
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'20': VersionConstants.POPN_MUSIC_FANTASIA,
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'21': VersionConstants.POPN_MUSIC_SUNNY_PARK,
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'22': VersionConstants.POPN_MUSIC_LAPISTORIA,
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'23': VersionConstants.POPN_MUSIC_ECLALE,
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'24': VersionConstants.POPN_MUSIC_USANEKO,
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},
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GameConstants.REFLEC_BEAT: {
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'1': VersionConstants.REFLEC_BEAT,
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'2': VersionConstants.REFLEC_BEAT_LIMELIGHT,
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# We don't support non-final COLETTE, so just return scores for
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# final colette to any network that asks.
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'3w': VersionConstants.REFLEC_BEAT_COLETTE,
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'3sp': VersionConstants.REFLEC_BEAT_COLETTE,
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'3su': VersionConstants.REFLEC_BEAT_COLETTE,
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'3a': VersionConstants.REFLEC_BEAT_COLETTE,
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'3as': VersionConstants.REFLEC_BEAT_COLETTE,
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# We don't support groovin'!!, so just return upper scores.
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'4': VersionConstants.REFLEC_BEAT_GROOVIN,
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'4u': VersionConstants.REFLEC_BEAT_GROOVIN,
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'5': VersionConstants.REFLEC_BEAT_VOLZZA,
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'5a': VersionConstants.REFLEC_BEAT_VOLZZA_2,
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'6': VersionConstants.REFLEC_BEAT_REFLESIA,
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},
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GameConstants.SDVX: {
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'1': VersionConstants.SDVX_BOOTH,
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'2': VersionConstants.SDVX_INFINITE_INFECTION,
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'3': VersionConstants.SDVX_GRAVITY_WARS,
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'4': VersionConstants.SDVX_HEAVENLY_HAVEN,
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},
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}.get(game, {}).get(requestversion)
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if version is None:
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# Don't support this version!
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abort(404)
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idtype = requestdata['type']
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ids = requestdata['ids']
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if idtype not in [APIConstants.ID_TYPE_CARD, APIConstants.ID_TYPE_SONG, APIConstants.ID_TYPE_INSTANCE, APIConstants.ID_TYPE_SERVER]:
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raise APIException('Invalid ID type provided!')
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if idtype == APIConstants.ID_TYPE_CARD and len(ids) == 0:
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raise APIException('Invalid number of IDs given!')
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if idtype == APIConstants.ID_TYPE_SONG and len(ids) not in [1, 2]:
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raise APIException('Invalid number of IDs given!')
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if idtype == APIConstants.ID_TYPE_INSTANCE and len(ids) != 3:
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raise APIException('Invalid number of IDs given!')
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if idtype == APIConstants.ID_TYPE_SERVER and len(ids) != 0:
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raise APIException('Invalid number of IDs given!')
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responsedata = {}
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for obj in requestdata['objects']:
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handler = {
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'records': RecordsObject,
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'profile': ProfileObject,
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'statistics': StatisticsObject,
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'catalog': CatalogObject,
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}.get(obj)
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if handler is None:
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# Don't support this object type
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abort(404)
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inst = handler(g.data, game, version, omnimix)
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try:
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fetchmethod = getattr(inst, f'fetch_{protoversion}')
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except AttributeError:
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# Don't know how to handle this object for this version
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abort(501)
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responsedata[obj] = fetchmethod(idtype, ids, args)
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return responsedata
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