+
−{-# LANGUAGE OverloadedStrings #-}
+
−module HWProtoNEState where
+
−
+
−import Control.Monad.Reader
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−import qualified Data.ByteString.Char8 as B
+
−--------------------------------------
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−import CoreTypes
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−import Actions
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−import Utils
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−import RoomsAndClients
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−
+
−handleCmd_NotEntered :: CmdHandler
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−
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−handleCmd_NotEntered ["NICK", newNick] = do
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−    (ci, irnc) <- ask
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−    let cl = irnc `client` ci
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−    if not . B.null $ nick cl then return [ProtocolError "Nickname already chosen"]
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−        else
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−        if illegalName newNick then return [ByeClient "Illegal nickname"]
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−            else
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−            return $
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−                ModifyClient (\c -> c{nick = newNick}) :
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−                AnswerClients [sendChan cl] ["NICK", newNick] :
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−                [CheckRegistered | clientProto cl /= 0]
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−
+
−handleCmd_NotEntered ["PROTO", protoNum] = do
+
−    (ci, irnc) <- ask
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−    let cl = irnc `client` ci
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−    if clientProto cl > 0 then return [ProtocolError "Protocol already known"]
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−        else
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−        if parsedProto == 0 then return [ProtocolError "Bad number"]
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−            else
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−            return $
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−                ModifyClient (\c -> c{clientProto = parsedProto}) :
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−                AnswerClients [sendChan cl] ["PROTO", showB parsedProto] :
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−                [CheckRegistered | not . B.null $ nick cl]
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−    where
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−        parsedProto = readInt_ protoNum
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−
+
−
+
−handleCmd_NotEntered ["PASSWORD", passwd] = do
+
−    (ci, irnc) <- ask
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−    let cl = irnc `client` ci
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−
+
−    if passwd == webPassword cl then
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−        return $ JoinLobby : [AnswerClients [sendChan cl] ["ADMIN_ACCESS"] | isAdministrator cl]
+
−        else
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−        return [ByeClient "Authentication failed"]
+
−
+
−
+
−handleCmd_NotEntered _ = return [ProtocolError "Incorrect command (state: not entered)"]