Remove loc() called with a variable.
{-# LANGUAGE OverloadedStrings, CPP #-}
module HWProtoNEState where
import Control.Monad.Reader
import qualified Data.ByteString.Lazy as BL
import qualified Data.ByteString.Char8 as B
import Data.Digest.Pure.SHA
--------------------------------------
import CoreTypes
import Utils
import RoomsAndClients
import HandlerUtils
handleCmd_NotEntered :: CmdHandler
handleCmd_NotEntered ["NICK", newNick] = do
(ci, irnc) <- ask
let cl = irnc `client` ci
if not . B.null $ nick cl then return [ProtocolError $ loc "Nickname already chosen"]
else
if illegalName newNick then return [ByeClient $ loc "Illegal nickname"]
else
return $
ModifyClient (\c -> c{nick = newNick}) :
AnswerClients [sendChan cl] ["NICK", newNick] :
[CheckRegistered | clientProto cl /= 0]
handleCmd_NotEntered ["PROTO", protoNum] = do
(ci, irnc) <- ask
let cl = irnc `client` ci
if clientProto cl > 0 then return [ProtocolError $ loc "Protocol already known"]
else
if parsedProto == 0 then return [ProtocolError $ loc "Bad number"]
else
return $
ModifyClient (\c -> c{clientProto = parsedProto}) :
AnswerClients [sendChan cl] ["PROTO", showB parsedProto] :
[CheckRegistered | not . B.null $ nick cl]
where
parsedProto = readInt_ protoNum
handleCmd_NotEntered ["PASSWORD", passwd] = do
(ci, irnc) <- ask
let cl = irnc `client` ci
if clientProto cl < 48 && passwd == webPassword cl then
return $ JoinLobby : [AnswerClients [sendChan cl] ["ADMIN_ACCESS"] | isAdministrator cl]
else
return [ByeClient "Authentication failed"]
handleCmd_NotEntered ["PASSWORD", passwd, clientSalt] = do
(ci, irnc) <- ask
let cl = irnc `client` ci
let clientHash = h [clientSalt, serverSalt cl, webPassword cl, showB $ clientProto cl, "!hedgewars"]
let serverHash = h [serverSalt cl, clientSalt, webPassword cl, showB $ clientProto cl, "!hedgewars"]
if passwd == clientHash then
return [
AnswerClients [sendChan cl] ["SERVER_AUTH", serverHash]
, JoinLobby
]
else
return [ByeClient "Authentication failed"]
where
h = B.pack . showDigest . sha1 . BL.fromChunks
#if defined(OFFICIAL_SERVER)
handleCmd_NotEntered ["CHECKER", protoNum, newNick, password] = do
(ci, irnc) <- ask
let cl = irnc `client` ci
if parsedProto == 0 then return [ProtocolError $ loc "Bad number"]
else
return $ [
ModifyClient (\c -> c{clientProto = parsedProto, nick = newNick, webPassword = password, isChecker = True})
, CheckRegistered]
where
parsedProto = readInt_ protoNum
#endif
handleCmd_NotEntered _ = return [ProtocolError "Incorrect command (state: not entered)"]