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bemaniutils/bemani/backend/core/cardmng.py
2019-12-08 21:43:49 +00:00

117 lines
5.1 KiB
Python

from typing import Optional
from bemani.backend.base import Base, Status
from bemani.protocol import Node
from bemani.common import Model
class CardManagerHandler(Base):
"""
The class that handles card management. This assumes it is attached as a mixin to a game
class so that it can understand if there's a profile for a game or not.
"""
def handle_cardmng_request(self, request: Node) -> Optional[Node]:
"""
Handle a request for card management. This is independent of a game's profile handling,
but still gives the game information as to whether or not a profile exists for a game.
These methods handle looking up a card, handling binding a profile to a game version,
returning whether a game profile exists or should be migrated, and creating a new account
when no account is associated with a card.
"""
method = request.attribute('method')
if method == 'inquire':
# Given a cardid, look up the dataid/refid (same thing in this system).
# If the card doesn't exist or isn't allowed, return a status specifying this
# instead of the results of the dataid/refid lookup.
cardid = request.attribute('cardid')
modelstring = request.attribute('model')
userid = self.data.local.user.from_cardid(cardid)
if userid is None:
# This user doesn't exist, force system to create new account
root = Node.void('cardmng')
root.set_attribute('status', str(Status.NOT_REGISTERED))
return root
# Special handling for looking up whether the previous game's profile existed
bound = self.has_profile(userid)
expired = False
if bound is False:
if modelstring is not None:
model = Model.from_modelstring(modelstring)
oldgame = Base.create(self.data, self.config, model, self.model)
if oldgame is None:
bound = False
else:
bound = oldgame.has_profile(userid)
expired = True
refid = self.data.local.user.get_refid(self.game, self.version, userid)
paseli_enabled = self.supports_paseli() and self.config['paseli']['enabled']
root = Node.void('cardmng')
root.set_attribute('refid', refid)
root.set_attribute('dataid', refid)
root.set_attribute('newflag', '1') # Always seems to be set to 1
root.set_attribute('binded', '1' if bound else '0') # Whether we've bound to this version of the game or not
root.set_attribute('expired', '1' if expired else '0') # Whether we're expired
root.set_attribute('ecflag', '1' if paseli_enabled else '0') # Whether to allow paseli
root.set_attribute('useridflag', '1')
root.set_attribute('extidflag', '1')
return root
elif method == 'authpass':
# Given a dataid/refid previously found via inquire, verify the pin
refid = request.attribute('refid')
pin = request.attribute('pass')
userid = self.data.local.user.from_refid(self.game, self.version, refid)
if userid is not None:
valid = self.data.local.user.validate_pin(userid, pin)
else:
valid = False
root = Node.void('cardmng')
root.set_attribute('status', str(Status.SUCCESS if valid else Status.INVALID_PIN))
return root
elif method == 'getrefid':
# Given a cardid and a pin, register the card with the system and generate a new dataid/refid + extid
cardid = request.attribute('cardid')
pin = request.attribute('passwd')
userid = self.data.local.user.create_account(cardid, pin)
if userid is None:
# This user can't be created
root = Node.void('cardmng')
root.set_attribute('status', str(Status.NOT_ALLOWED))
return root
refid = self.data.local.user.create_refid(self.game, self.version, userid)
root = Node.void('cardmng')
root.set_attribute('dataid', refid)
root.set_attribute('refid', refid)
return root
elif method == 'bindmodel':
# Given a refid, bind the user's card to the current version of the game
refid = request.attribute('refid')
userid = self.data.local.user.from_refid(self.game, self.version, refid)
self.bind_profile(userid)
root = Node.void('cardmng')
root.set_attribute('dataid', refid)
return root
elif method == 'getkeepspan':
# Unclear what this method does, return an arbitrary span
root = Node.void('cardmng')
root.set_attribute('keepspan', '30')
return root
elif method == 'getdatalist':
# Unclear what this method does, return a dummy response
root = Node.void('cardmng')
return root
# Invalid method
return None