gameServer/HWProtoCore.hs
author sheepluva
Thu, 23 Jan 2014 13:56:53 +0100
changeset 10061 b7161f00a6ca
parent 10039 58cf89284115
child 10194 7025bd3c3131
permissions -rw-r--r--
hide complete IP of other users, when non-admin requests player info. showing the first two parts of the IP was kinda pointless to begin with (what for?) and has recently lead to increased abuse and lobby flooding due to bots collecting/posting IP tracking information
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{-# LANGUAGE OverloadedStrings #-}
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module HWProtoCore where
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import Control.Monad.Reader
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import Data.Maybe
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import qualified Data.ByteString.Char8 as B
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--------------------------------------
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import CoreTypes
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import Actions
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import HWProtoNEState
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import HWProtoLobbyState
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import HWProtoInRoomState
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import HWProtoChecker
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import HandlerUtils
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import RoomsAndClients
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import Utils
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handleCmd, handleCmd_loggedin :: CmdHandler
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handleCmd ["PING"] = answerClient ["PONG"]
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handleCmd ("QUIT" : xs) = return [ByeClient msg]
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    where
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        msg = if not $ null xs then head xs else loc "bye"
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handleCmd ["PONG"] = do
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    cl <- thisClient
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    if pingsQueue cl == 0 then
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        return [ProtocolError "Protocol violation"]
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        else
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        return [ModifyClient (\c -> c{pingsQueue = pingsQueue c - 1})]
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handleCmd ["CMD", parameters] = uncurry h $ extractParameters parameters
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    where
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        h "DELEGATE" n | not $ B.null n = handleCmd ["DELEGATE", n]
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        h "STATS" _ = handleCmd ["STATS"]
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        h "PART" m | not $ B.null m = handleCmd ["PART", m]
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                   | otherwise = handleCmd ["PART"]
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        h "QUIT" m | not $ B.null m = handleCmd ["QUIT", m]
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                   | otherwise = handleCmd ["QUIT"]
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        h "RND" p = handleCmd ("RND" : B.words p)
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        h "GLOBAL" p = do
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            cl <- thisClient
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            rnc <- liftM snd ask
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            let chans = map (sendChan . client rnc) $ allClients rnc
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            return [AnswerClients chans ["CHAT", "[global notice]", p] | isAdministrator cl]
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        h "WATCH" f = return [QueryReplay f]
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        h "FIX" _ = handleCmd ["FIX"]
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        h "UNFIX" _ = handleCmd ["UNFIX"]
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        h "GREETING" msg = handleCmd ["GREETING", msg]
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        h "CALLVOTE" msg | B.null msg = handleCmd ["CALLVOTE"]
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                         | otherwise = let (c, p) = extractParameters msg in
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                                           if B.null p then handleCmd ["CALLVOTE", c] else handleCmd ["CALLVOTE", c, p]
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        h "VOTE" msg = handleCmd ["VOTE", upperCase msg]
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        h c p = return [Warning $ B.concat ["Unknown cmd: /", c, p]]
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        extractParameters p = let (a, b) = B.break (== ' ') p in (upperCase a, B.dropWhile (== ' ') b)
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handleCmd cmd = do
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    (ci, irnc) <- ask
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    let cl = irnc `client` ci
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    if logonPassed cl then
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        if isChecker cl then
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            handleCmd_checker cmd
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            else
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            handleCmd_loggedin cmd
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        else
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        handleCmd_NotEntered cmd
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handleCmd_loggedin ["INFO", asknick] = do
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    (_, rnc) <- ask
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    maybeClientId <- clientByNick asknick
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    isAdminAsking <- liftM isAdministrator thisClient
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    let noSuchClient = isNothing maybeClientId
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    let clientId = fromJust maybeClientId
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    let cl = rnc `client` fromJust maybeClientId
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    let roomId = clientRoom rnc clientId
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    let clRoom = room rnc roomId
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    let roomMasterSign = if isMaster cl then "+" else ""
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    let adminSign = if isAdministrator cl then "@" else ""
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    let rInfo = if roomId /= lobbyId then B.concat [adminSign, roomMasterSign, "room ", name clRoom] else adminSign `B.append` "lobby"
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    let roomStatus = if isJust $ gameInfo clRoom then
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            if teamsInGame cl > 0 then "(playing)" else "(spectating)"
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            else
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            ""
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    let hostStr = if isAdminAsking then host cl else B.empty
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    if noSuchClient then
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        return []
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        else
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        answerClient [
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            "INFO",
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            nick cl,
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            B.concat ["[", hostStr, "]"],
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            protoNumber2ver $ clientProto cl,
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            B.concat ["[", rInfo, "]", roomStatus]
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            ]
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handleCmd_loggedin cmd = do
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    (ci, rnc) <- ask
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    if clientRoom rnc ci == lobbyId then
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        handleCmd_lobby cmd
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        else
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        handleCmd_inRoom cmd