399 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			399 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			Python
		
	
	
	
import aioconsole
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import argparse
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import asyncio
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import functools
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import json
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import logging
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import re
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import urllib.request
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import websockets
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import zlib
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import Items
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import Regions
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from MultiClient import ReceivedItem, get_item_name_from_id, get_location_name_from_address
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class Client:
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    def __init__(self, socket):
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        self.socket = socket
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        self.auth = False
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        self.name = None
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        self.team = None
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        self.slot = None
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        self.send_index = 0
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class Context:
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    def __init__(self, host, port, password):
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        self.data_filename = None
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        self.save_filename = None
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        self.disable_save = False
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        self.players = 0
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        self.rom_names = {}
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        self.locations = {}
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        self.host = host
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        self.port = port
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        self.password = password
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        self.server = None
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        self.clients = []
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        self.received_items = {}
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def get_room_info(ctx : Context):
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    return {
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        'password': ctx.password is not None,
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        'slots': ctx.players,
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        'players': [(client.name, client.team, client.slot) for client in ctx.clients if client.auth]
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    }
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def same_name(lhs, rhs):
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    return lhs.lower() == rhs.lower()
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def same_team(lhs, rhs):
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    return (type(lhs) is type(rhs)) and ((not lhs and not rhs) or (lhs.lower() == rhs.lower()))
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async def send_msgs(websocket, msgs):
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    if not websocket or not websocket.open or websocket.closed:
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        return
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    try:
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        await websocket.send(json.dumps(msgs))
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    except websockets.ConnectionClosed:
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        pass
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def broadcast_all(ctx : Context, msgs):
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    for client in ctx.clients:
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        if client.auth:
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            asyncio.create_task(send_msgs(client.socket, msgs))
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def broadcast_team(ctx : Context, team, msgs):
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    for client in ctx.clients:
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        if client.auth and same_team(client.team, team):
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            asyncio.create_task(send_msgs(client.socket, msgs))
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def notify_all(ctx : Context, text):
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    print("Notice (all): %s" % text)
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    broadcast_all(ctx, [['Print', text]])
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def notify_team(ctx : Context, team : str, text : str):
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    print("Team notice (%s): %s" % ("Default" if not team else team, text))
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    broadcast_team(ctx, team, [['Print', text]])
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def notify_client(client : Client, text : str):
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    if not client.auth:
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        return
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    print("Player notice (%s): %s" % (client.name, text))
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    asyncio.create_task(send_msgs(client.socket,  [['Print', text]]))
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async def server(websocket, path, ctx : Context):
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    client = Client(websocket)
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    ctx.clients.append(client)
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    try:
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        await on_client_connected(ctx, client)
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        async for data in websocket:
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            for msg in json.loads(data):
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                if len(msg) == 1:
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                    cmd = msg
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                    args = None
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                else:
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                    cmd = msg[0]
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                    args = msg[1]
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                await process_client_cmd(ctx, client, cmd, args)
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    except Exception as e:
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        if not isinstance(e, websockets.WebSocketException):
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            logging.exception(e)
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    finally:
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        await on_client_disconnected(ctx, client)
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        ctx.clients.remove(client)
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async def on_client_connected(ctx : Context, client : Client):
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    await send_msgs(client.socket, [['RoomInfo', get_room_info(ctx)]])
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async def on_client_disconnected(ctx : Context, client : Client):
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    if client.auth:
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        await on_client_left(ctx, client)
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async def on_client_joined(ctx : Context, client : Client):
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    notify_all(ctx, "%s has joined the game as player %d for %s" % (client.name, client.slot, "the default team" if not client.team else "team %s" % client.team))
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async def on_client_left(ctx : Context, client : Client):
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    notify_all(ctx, "%s (Player %d, %s) has left the game" % (client.name, client.slot, "Default team" if not client.team else "Team %s" % client.team))
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def get_connected_players_string(ctx : Context):
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    auth_clients = [c for c in ctx.clients if c.auth]
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    if not auth_clients:
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        return 'No player connected'
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    auth_clients.sort(key=lambda c: ('' if not c.team else c.team.lower(), c.slot))
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    current_team = 0
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    text = ''
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    for c in auth_clients:
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        if c.team != current_team:
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            text += '::' + ('default team' if not c.team else c.team) + ':: '
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            current_team = c.team
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        text += '%d:%s ' % (c.slot, c.name)
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    return 'Connected players: ' + text[:-1]
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def get_player_name_in_team(ctx : Context, team, slot):
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    for client in ctx.clients:
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        if client.auth and same_team(team, client.team) and client.slot == slot:
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            return client.name
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    return "Player %d" % slot
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def get_client_from_name(ctx : Context, name):
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    for client in ctx.clients:
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        if client.auth and same_name(name, client.name):
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            return client
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    return None
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def get_received_items(ctx : Context, team, player):
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    for (c_team, c_id), items in ctx.received_items.items():
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        if c_id == player and same_team(c_team, team):
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            return items
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    ctx.received_items[(team, player)] = []
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    return ctx.received_items[(team, player)]
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def tuplize_received_items(items):
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    return [(item.item, item.location, item.player_id, item.player_name) for item in items]
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def send_new_items(ctx : Context):
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    for client in ctx.clients:
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        if not client.auth:
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            continue
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        items = get_received_items(ctx, client.team, client.slot)
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        if len(items) > client.send_index:
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            asyncio.create_task(send_msgs(client.socket, [['ReceivedItems', (client.send_index, tuplize_received_items(items)[client.send_index:])]]))
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            client.send_index = len(items)
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def forfeit_player(ctx : Context, team, slot, name):
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    all_locations = [values[0] for values in Regions.location_table.values() if type(values[0]) is int]
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    notify_all(ctx, "%s (Player %d) in team %s has forfeited" % (name, slot, team if team else 'default'))
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    register_location_checks(ctx, name, team, slot, all_locations)
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def register_location_checks(ctx : Context, name, team, slot, locations):
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    found_items = False
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    for location in locations:
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        if (location, slot) in ctx.locations:
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            target_item, target_player = ctx.locations[(location, slot)]
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            if target_player != slot:
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                found = False
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                recvd_items = get_received_items(ctx, team, target_player)
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                for recvd_item in recvd_items:
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                    if recvd_item.location == location and recvd_item.player_id == slot:
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                        found = True
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                        break
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                if not found:
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                    new_item = ReceivedItem(target_item, location, slot, name)
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                    recvd_items.append(new_item)
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                    target_player_name = get_player_name_in_team(ctx, team, target_player)
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                    broadcast_team(ctx, team, [['ItemSent', (name, target_player_name, target_item, location)]])
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                    print('(%s) %s sent %s to %s (%s)' % (team if team else 'Team', name, get_item_name_from_id(target_item), target_player_name, get_location_name_from_address(location)))
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                    found_items = True
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    send_new_items(ctx)
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    if found_items and not ctx.disable_save:
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        try:
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            with open(ctx.save_filename, "wb") as f:
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                jsonstr = json.dumps((ctx.players,
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                                      [(k, v) for k, v in ctx.rom_names.items()],
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                                      [(k, [i.__dict__ for i in v]) for k, v in ctx.received_items.items()]))
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                f.write(zlib.compress(jsonstr.encode("utf-8")))
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        except Exception as e:
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            logging.exception(e)
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async def process_client_cmd(ctx : Context, client : Client, cmd, args):
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    if type(cmd) is not str:
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        await send_msgs(client.socket, [['InvalidCmd']])
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        return
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    if cmd == 'Connect':
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        if not args or type(args) is not dict or \
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                'password' not in args or type(args['password']) not in [str, type(None)] or \
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                'name' not in args or type(args['name']) is not str or \
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                'team' not in args or type(args['team']) not in [str, type(None)] or \
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                'slot' not in args or type(args['slot']) not in [int, type(None)]:
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            await send_msgs(client.socket, [['InvalidArguments', 'Connect']])
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            return
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        errors = set()
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        if ctx.password is not None and ('password' not in args or args['password'] != ctx.password):
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            errors.add('InvalidPassword')
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        if 'name' not in args or not args['name'] or not re.match(r'\w{1,10}', args['name']):
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            errors.add('InvalidName')
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        elif any([same_name(c.name, args['name']) for c in ctx.clients if c.auth]):
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            errors.add('NameAlreadyTaken')
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        else:
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            client.name = args['name']
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        if 'team' in args and args['team'] is not None and not re.match(r'\w{1,15}', args['team']):
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            errors.add('InvalidTeam')
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        else:
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            client.team = args['team'] if 'team' in args else None
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        if 'slot' in args and any([c.slot == args['slot'] for c in ctx.clients if c.auth and same_team(c.team, client.team)]):
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            errors.add('SlotAlreadyTaken')
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        elif 'slot' not in args or not args['slot']:
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            for slot in range(1, ctx.players + 1):
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                if slot not in [c.slot for c in ctx.clients if c.auth and same_team(c.team, client.team)]:
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                    client.slot = slot
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                    break
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                elif slot == ctx.players:
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                    errors.add('SlotAlreadyTaken')
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        elif args['slot'] not in range(1, ctx.players + 1):
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            errors.add('InvalidSlot')
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        else:
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            client.slot = args['slot']
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        if errors:
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            client.name = None
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            client.team = None
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            client.slot = None
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            await send_msgs(client.socket, [['ConnectionRefused', list(errors)]])
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        else:
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            client.auth = True
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            reply = [['Connected', ctx.rom_names[client.slot]]]
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            items = get_received_items(ctx, client.team, client.slot)
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            if items:
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                reply.append(['ReceivedItems', (0, tuplize_received_items(items))])
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                client.send_index = len(items)
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            await send_msgs(client.socket, reply)
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            await on_client_joined(ctx, client)
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    if not client.auth:
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        return
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    if cmd == 'Sync':
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        items = get_received_items(ctx, client.team, client.slot)
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        if items:
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            client.send_index = len(items)
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            await send_msgs(client.socket, ['ReceivedItems', (0, tuplize_received_items(items))])
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    if cmd == 'LocationChecks':
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        if type(args) is not list:
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            await send_msgs(client.socket, [['InvalidArguments', 'LocationChecks']])
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            return
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        register_location_checks(ctx, client.name, client.team, client.slot, args)
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    if cmd == 'Say':
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        if type(args) is not str or not args.isprintable():
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            await send_msgs(client.socket, [['InvalidArguments', 'Say']])
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            return
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        notify_all(ctx, client.name + ': ' + args)
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        if args[:8] == '!players':
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            notify_all(ctx, get_connected_players_string(ctx))
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        if args[:8] == '!forfeit':
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            forfeit_player(ctx, client.team, client.slot, client.name)
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def set_password(ctx : Context, password):
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    ctx.password = password
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    print('Password set to ' + password if password is not None else 'Password disabled')
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async def console(ctx : Context):
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    while True:
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        input = await aioconsole.ainput()
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        command = input.split()
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        if not command:
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            continue
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        if command[0] == '/exit':
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            ctx.server.ws_server.close()
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            break
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        if command[0] == '/players':
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            print(get_connected_players_string(ctx))
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        if command[0] == '/password':
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            set_password(ctx, command[1] if len(command) > 1 else None)
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        if command[0] == '/kick' and len(command) > 1:
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            client = get_client_from_name(ctx, command[1])
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            if client and client.socket and not client.socket.closed:
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                await client.socket.close()
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        if command[0] == '/forfeitslot' and len(command) == 3 and command[2].isdigit():
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            team = command[1] if command[1] != 'default' else None
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            slot = int(command[2])
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            name = get_player_name_in_team(ctx, team, slot)
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            forfeit_player(ctx, team, slot, name)
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        if command[0] == '/forfeitplayer' and len(command) > 1:
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            client = get_client_from_name(ctx, command[1])
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            if client:
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                forfeit_player(ctx, client.team, client.slot, client.name)
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        if command[0] == '/senditem' and len(command) > 2:
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            [(player, item)] = re.findall(r'\S* (\S*) (.*)', input)
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            if item in Items.item_table:
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                client = get_client_from_name(ctx, player)
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                if client:
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                    new_item = ReceivedItem(Items.item_table[item][3], "cheat console", 0, "server")
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                    get_received_items(ctx, client.team, client.slot).append(new_item)
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                    notify_all(ctx, 'Cheat console: sending "' + item + '" to ' + client.name)
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                send_new_items(ctx)
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            else:
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                print("Unknown item: " + item)
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        if command[0][0] != '/':
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            notify_all(ctx, '[Server]: ' + input)
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async def main():
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    parser = argparse.ArgumentParser()
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    parser.add_argument('--host', default=None)
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    parser.add_argument('--port', default=38281, type=int)
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    parser.add_argument('--password', default=None)
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    parser.add_argument('--multidata', default=None)
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    parser.add_argument('--savefile', default=None)
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    parser.add_argument('--disable_save', default=False, action='store_true')
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    args = parser.parse_args()
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    ctx = Context(args.host, args.port, args.password)
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    ctx.data_filename = args.multidata
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    try:
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        if not ctx.data_filename:
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            import tkinter
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            import tkinter.filedialog
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            root = tkinter.Tk()
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            root.withdraw()
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            ctx.data_filename = tkinter.filedialog.askopenfilename(filetypes=(("Multiworld data","*multidata"),))
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        with open(ctx.data_filename, 'rb') as f:
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            jsonobj = json.loads(zlib.decompress(f.read()).decode("utf-8"))
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            ctx.players = jsonobj[0]
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            ctx.rom_names = {k: v for k, v in jsonobj[1]}
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            ctx.locations = {tuple(k): tuple(v) for k, v in jsonobj[2]}
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    except Exception as e:
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        print('Failed to read multiworld data (%s)' % e)
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        return
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    ip = urllib.request.urlopen('https://v4.ident.me').read().decode('utf8') if not ctx.host else ctx.host
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    print('Hosting game of %d players (%s) at %s:%d' % (ctx.players, 'No password' if not ctx.password else 'Password: %s' % ctx.password, ip, ctx.port))
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    ctx.disable_save = args.disable_save
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    if not ctx.disable_save:
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        if not ctx.save_filename:
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            ctx.save_filename = (ctx.data_filename[:-9] if ctx.data_filename[-9:] == 'multidata' else (ctx.data_filename + '_')) + 'multisave'
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        try:
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            with open(ctx.save_filename, 'rb') as f:
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                jsonobj = json.loads(zlib.decompress(f.read()).decode("utf-8"))
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                players = jsonobj[0]
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                rom_names = {k: v for k, v in jsonobj[1]}
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                received_items = {tuple(k): [ReceivedItem(**i) for i in v] for k, v in jsonobj[2]}
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                if players != ctx.players or rom_names != ctx.rom_names:
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                    raise Exception('Save file mismatch, will start a new game')
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                ctx.received_items = received_items
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                print('Loaded save file with %d received items for %d players' % (sum([len(p) for p in received_items.values()]), len(received_items)))
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        except FileNotFoundError:
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            print('No save data found, starting a new game')
 | 
						|
        except Exception as e:
 | 
						|
            print(e)
 | 
						|
 | 
						|
    ctx.server = websockets.serve(functools.partial(server,ctx=ctx), ctx.host, ctx.port, ping_timeout=None, ping_interval=None)
 | 
						|
    await ctx.server
 | 
						|
    await console(ctx)
 | 
						|
 | 
						|
if __name__ == '__main__':
 | 
						|
    loop = asyncio.get_event_loop()
 | 
						|
    loop.run_until_complete(main())
 | 
						|
    loop.run_until_complete(asyncio.gather(*asyncio.Task.all_tasks()))
 | 
						|
    loop.close()
 |