Prevent entering “/”, “\” and “:” in team and scheme names.
The name of teams and schems is saved in the file name itself, so these characters would cause trouble as they are used in path names in Linux and Windows.
{-
* Hedgewars, a free turn based strategy game
* Copyright (c) 2004-2015 Andrey Korotaev <unC0Rr@gmail.com>
*
* 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; version 2 of the License
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
\-}
{-# LANGUAGE OverloadedStrings #-}
module HWProtoLobbyState where
import Data.Maybe
import Data.List
import Control.Monad.Reader
import qualified Data.ByteString.Char8 as B
--------------------------------------
import CoreTypes
import Utils
import Consts
import HandlerUtils
import RoomsAndClients
import EngineInteraction
import CommandHelp
handleCmd_lobby :: CmdHandler
handleCmd_lobby ["LIST"] = do
(ci, irnc) <- ask
let cl = irnc `client` ci
rooms <- allRoomInfos
let roomsInfoList = concatMap (\r -> roomInfo (clientProto cl) (maybeNick . liftM (client irnc) $ masterID r) r) . filter (\r -> (roomProto r == clientProto cl))
return $ if hasAskedList cl then [] else
[ ModifyClient (\c -> c{hasAskedList = True})
, AnswerClients [sendChan cl] ("ROOMS" : roomsInfoList rooms)]
handleCmd_lobby ["CHAT", msg] = do
n <- clientNick
s <- roomOthersChans
return [AnswerClients s ["CHAT", n, msg], RegisterEvent LobbyChatMessage]
handleCmd_lobby ["CREATE_ROOM", rName, roomPassword]
| illegalName rName = return [Warning $ loc "Illegal room name! A room name must be between 1-40 characters long, must not have a trailing or leading space and must not have any of these characters: $()*+?[]^{|}"]
| otherwise = do
rs <- allRoomInfos
cl <- thisClient
return $ if isJust $ find (\r -> rName == name r) rs then
[Warning $ loc "A room with the same name already exists."]
else
[
AddRoom rName roomPassword
, AnswerClients [sendChan cl] ["CLIENT_FLAGS", "+hr", nick cl]
, ModifyClient (\c -> c{isMaster = True, isReady = True, isJoinedMidGame = False})
, ModifyRoom (\r -> r{readyPlayers = 1})
]
handleCmd_lobby ["CREATE_ROOM", rName] =
handleCmd_lobby ["CREATE_ROOM", rName, ""]
handleCmd_lobby ["JOIN_ROOM", roomName, roomPassword] = do
(_, irnc) <- ask
let ris = allRooms irnc
cl <- thisClient
let maybeRI = find (\ri -> roomName == name (irnc `room` ri)) ris
let jRI = fromJust maybeRI
let jRoom = irnc `room` jRI
let sameProto = clientProto cl == roomProto jRoom
let jRoomClients = map (client irnc) $ roomClients irnc jRI
let nicks = map nick jRoomClients
let owner = find isMaster jRoomClients
let chans = map sendChan (cl : jRoomClients)
let isBanned = host cl `elem` roomBansList jRoom
let clTeams =
if (clientProto cl >= 48) && (isJust $ gameInfo jRoom) && isRegistered cl then
filter (\t -> teamowner t == nick cl) . teamsAtStart . fromJust $ gameInfo jRoom
else
[]
let clTeamsNames = map teamname clTeams
return $
if isNothing maybeRI then
[Warning $ loc "No such room."]
else if (not sameProto) && (not $ isAdministrator cl) then
[Warning $ loc "Room version incompatible to your Hedgewars version!"]
else if isRestrictedJoins jRoom && not (hasSuperPower cl) then
[Warning $ loc "Access denied. This room currently doesn't allow joining."]
else if isRegisteredOnly jRoom && (not $ isRegistered cl) && not (isAdministrator cl) then
[Warning $ loc "Access denied. This room is for registered users only."]
else if isBanned then
[Warning $ loc "You are banned from this room."]
else if roomPassword /= password jRoom && not (hasSuperPower cl) then
[NoticeMessage WrongPassword]
else
(
MoveToRoom jRI
: ModifyClient (\c -> c{isJoinedMidGame = isJust $ gameInfo jRoom
, teamsInGame = fromIntegral $ length clTeams
, clientClan = teamcolor `fmap` listToMaybe clTeams})
: AnswerClients chans ["CLIENT_FLAGS", "-r", nick cl]
: [(AnswerClients [sendChan cl] $ "JOINED" : nicks) | not $ null nicks]
)
++ [ModifyRoom (\r -> let (t', g') = moveTeams clTeamsNames . fromJust $ gameInfo r in r{gameInfo = Just g', teams = t'}) | not $ null clTeams]
++ [AnswerClients [sendChan cl] ["CLIENT_FLAGS", "+h", nick $ fromJust owner] | isJust owner]
++ [sendStateFlags cl jRoomClients | not $ null jRoomClients]
++ answerFullConfig cl jRoom
++ answerTeams cl jRoom
++ watchRound cl jRoom chans
++ [AnswerClients [sendChan cl] ["CHAT", nickGreeting, greeting jRoom] | greeting jRoom /= ""]
++ map (\t -> AnswerClients chans ["EM", toEngineMsg $ 'G' `B.cons` t]) clTeamsNames
++ [AnswerClients [sendChan cl] ["EM", toEngineMsg "I"] | isPaused `fmap` gameInfo jRoom == Just True]
where
moveTeams :: [B.ByteString] -> GameInfo -> ([TeamInfo], GameInfo)
moveTeams cts g = (deleteFirstsBy2 (\a b -> teamname a == b) (teamsAtStart g) (leftTeams g \\ cts)
, g{leftTeams = leftTeams g \\ cts, rejoinedTeams = rejoinedTeams g ++ cts, teamsInGameNumber = teamsInGameNumber g + length cts})
sendStateFlags cl clients = AnswerClients [sendChan cl] . concat . intersperse [""] . filter (not . null) . concat $
[f "+r" ready, f "-r" unready, f "+g" ingame, f "-g" inroomlobby]
where
(ready, unready) = partition isReady clients
(ingame, inroomlobby) = partition isInGame clients
f fl lst = ["CLIENT_FLAGS" : fl : map nick lst | not $ null lst]
-- get config from gameInfo if possible, otherwise from room
answerFullConfig cl jRoom = let f r g = (if isJust $ gameInfo jRoom then g . fromJust . gameInfo else r) jRoom
in answerFullConfigParams cl (f mapParams giMapParams) (f params giParams)
answerTeams cl jRoom = let f = if isJust $ gameInfo jRoom then teamsAtStart . fromJust . gameInfo else teams in answerAllTeams cl $ f jRoom
watchRound cl jRoom chans = if isNothing $ gameInfo jRoom then
[]
else
AnswerClients [sendChan cl] ["RUN_GAME"]
: AnswerClients chans ["CLIENT_FLAGS", "+g", nick cl]
: ModifyClient (\c -> c{isInGame = True})
: [AnswerClients [sendChan cl] $ "EM" : toEngineMsg "e$spectate 1" : (reverse . roundMsgs . fromJust . gameInfo $ jRoom)]
handleCmd_lobby ["JOIN_ROOM", roomName] =
handleCmd_lobby ["JOIN_ROOM", roomName, ""]
handleCmd_lobby ["FOLLOW", asknick] = do
(_, rnc) <- ask
clChan <- liftM sendChan thisClient
ci <- clientByNick asknick
let ri = clientRoom rnc $ fromJust ci
let roomName = name $ room rnc ri
if isNothing ci || ri == lobbyId then
return []
else
liftM ((:) (AnswerClients [clChan] ["JOINING", roomName])) $ handleCmd_lobby ["JOIN_ROOM", roomName]
handleCmd_lobby ("RND":rs) = do
c <- liftM sendChan thisClient
return [Random [c] rs]
handleCmd_lobby ["HELP"] = do
cl <- thisClient
if isAdministrator cl then
return (cmdHelpActionList [sendChan cl] cmdHelpLobbyAdmin)
else
return (cmdHelpActionList [sendChan cl] cmdHelpLobbyPlayer)
---------------------------
-- Administrator's stuff --
handleCmd_lobby ["KICK", kickNick] = serverAdminOnly $ do
(ci, _) <- ask
kickId <- clientByNick kickNick
return [KickClient $ fromJust kickId | isJust kickId && fromJust kickId /= ci]
handleCmd_lobby ["BAN", banNick, reason, duration] = serverAdminOnly $ do
(ci, _) <- ask
banId <- clientByNick banNick
return [BanClient (readInt_ duration) reason (fromJust banId) | isJust banId && fromJust banId /= ci]
handleCmd_lobby ["BANIP", ip, reason, duration] = serverAdminOnly $
return [BanIP ip (readInt_ duration) reason]
handleCmd_lobby ["BANNICK", n, reason, duration] = serverAdminOnly $
return [BanNick n (readInt_ duration) reason]
handleCmd_lobby ["BANLIST"] = serverAdminOnly $
return [BanList]
handleCmd_lobby ["UNBAN", entry] = serverAdminOnly $
return [Unban entry]
handleCmd_lobby ["SET_SERVER_VAR", "MOTD_NEW", newMessage] = serverAdminOnly $
return [ModifyServerInfo (\si -> si{serverMessage = newMessage})]
handleCmd_lobby ["SET_SERVER_VAR", "MOTD_OLD", newMessage] = serverAdminOnly $
return [ModifyServerInfo (\si -> si{serverMessageForOldVersions = newMessage})]
handleCmd_lobby ["SET_SERVER_VAR", "LATEST_PROTO", protoNum] = serverAdminOnly $
return [ModifyServerInfo (\si -> si{latestReleaseVersion = readNum}) | readNum > 0]
where
readNum = readInt_ protoNum
handleCmd_lobby ["GET_SERVER_VAR"] = serverAdminOnly $
return [SendServerVars]
handleCmd_lobby ["CLEAR_ACCOUNTS_CACHE"] = serverAdminOnly $
return [ClearAccountsCache]
handleCmd_lobby ["RESTART_SERVER", "YES"] = serverAdminOnly $
return [RestartServer]
handleCmd_lobby ["RESTART_SERVER"] = serverAdminOnly $
return [Warning $ loc "Please confirm server restart with '/restart_server yes'."]
handleCmd_lobby ["RESTART_SERVER", _] = handleCmd_lobby ["RESTART_SERVER"]
handleCmd_lobby ["STATS"] = serverAdminOnly $
return [Stats]
handleCmd_lobby (s:_) = return [ProtocolError $ "Incorrect command '" `B.append` s `B.append` "' (state: in lobby)"]
handleCmd_lobby [] = return [ProtocolError "Empty command (state: in lobby)"]