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#################################################################################
# This file is part of Spheres.
# Copyright (C) 2019 Jesusalva
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#################################################################################
# Protocol Module
# Parses packets
import utils
import player
import tavern
import battle.main as battle
import battle.summons as summon
from consts import ERR_BAD, ERR_DONE, PACKET_NACK, PACKET_ACK, PACKET_REGX
# self.data structure: <Token> ; <Message> ; <JSON Arguments>
def parse(packet, conn):
##########################################################################
# Maybe it is a DEBUG packet
if (packet.lower() == "ping"):
return [PACKET_ACK, "PONG"]
##########################################################################
# Not a debug packet, so it must adhere to the convention
data=packet.split(';')
if (len(data) != 3):
return [PACKET_NACK, "Invalid packet (RAW)"]
t=data[0]
##########################################################################
# Maybe it is a raw packet which doesn't requires auth
if (data[1] == "PING"):
return [PACKET_ACK, "PONG"]
##########################################################################
# Maybe it is an honest login attempt, or a registration attempt
if data[1] == "login":
# Create a token
if t == "0":
t=utils.create_token()
conn.token = t
r=player.get_data(data[2], t)
if r is ERR_BAD:
return [PACKET_NACK, "Login error"]
elif type(r) is int:
return [PACKET_ACK, r] # FIXME: Lie?
else:
conn.userid=int(utils.Player[conn.token]["userid"])
conn.MS_auth=True
utils.stdout("Login successful for UID %d" % conn.userid)
return [PACKET_ACK, r]
elif data[1] == "register":
r=player.register(data[2], t)
if r is ERR_BAD:
return [PACKET_REGX, "Invalid registration attempt"]
else:
return [PACKET_ACK, r]
##########################################################################
# It is not, so Validate token format
print("Data0: %s | Alpnum: %s" % (str(data[0]), str(data[0].isalnum()) ))
if not data[0].isalnum():
return [PACKET_NACK, "Invalid packet (TOKENF)"]
# Now validate the token itself
if data[0] != conn.token:
return [PACKET_NACK, "Invalid packet (TOKENC)"]
##########################################################################
# Top level protocols
if data[1] == "logout":
player.clear(t)
r=ERR_DONE
elif data[1] == "get_inv":
r=player.get_inv(data[2], t)
elif data[1] == "apdata":
r=player.ap_data(data[2], t)
elif data[1] == "battle":
r=battle.battle(data[2], t)
elif data[1] == "reload_battle":
try:
r=battle.reload_battle(t)
except:
r=[PACKET_ACK, "CANCELLED"]
elif data[1] == "begin_quest":
r=battle.begin_quest(data[2], t)
elif data[1] == "get_party":
r=player.get_party(data[2], t)
elif data[1] == "set_party":
r=player.set_party(data[2], t)
elif data[1] == "upgrade":
r=player.upgrade(data[2], t);
elif data[1] == "evolve":
r=player.evolve(data[2], t);
elif data[1] == "sellunits":
r=player.sellunits(data[2], t);
elif data[1] == "recruit":
r=tavern.recruit(data[2], t)
elif data[1] == "summon":
r=summon.summon(data[2], t)
else:
r=ERR_BAD
if r == ERR_BAD:
return [PACKET_NACK, "Invalid Protocol (400)"]
else:
return [PACKET_ACK, r]
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