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ErikasKontenis
300
SabrehavenOTClient/modules/gamelib/protocollogin.lua
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300
SabrehavenOTClient/modules/gamelib/protocollogin.lua
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-- @docclass
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ProtocolLogin = extends(Protocol, "ProtocolLogin")
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LoginServerError = 10
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LoginServerTokenSuccess = 12
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LoginServerTokenError = 13
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LoginServerUpdate = 17
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LoginServerMotd = 20
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LoginServerUpdateNeeded = 30
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LoginServerSessionKey = 40
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LoginServerCharacterList = 100
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LoginServerExtendedCharacterList = 101
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LoginServerProxyList = 110
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-- Since 10.76
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LoginServerRetry = 10
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LoginServerErrorNew = 11
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function ProtocolLogin:login(host, port, accountName, accountPassword, authenticatorToken, stayLogged)
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if string.len(host) == 0 or port == nil or port == 0 then
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signalcall(self.onLoginError, self, tr("You must enter a valid server address and port."))
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return
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end
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self.accountName = accountName
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self.accountPassword = accountPassword
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self.authenticatorToken = authenticatorToken
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self.stayLogged = stayLogged
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self.connectCallback = self.sendLoginPacket
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self:connect(host, port)
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end
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function ProtocolLogin:cancelLogin()
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self:disconnect()
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end
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function ProtocolLogin:sendLoginPacket()
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local msg = OutputMessage.create()
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msg:addU8(ClientOpcodes.ClientEnterAccount)
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msg:addU16(g_game.getOs())
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if g_game.getCustomProtocolVersion() > 0 then
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msg:addU16(g_game.getCustomProtocolVersion())
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else
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msg:addU16(g_game.getProtocolVersion())
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end
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if g_game.getFeature(GameClientVersion) then
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msg:addU32(g_game.getClientVersion())
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end
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if g_game.getFeature(GameContentRevision) then
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msg:addU16(g_things.getContentRevision())
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msg:addU16(0)
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else
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msg:addU32(g_things.getDatSignature())
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end
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msg:addU32(g_sprites.getSprSignature())
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msg:addU32(PIC_SIGNATURE)
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if g_game.getFeature(GamePreviewState) then
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msg:addU8(0)
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end
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local offset = msg:getMessageSize()
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if g_game.getFeature(GameLoginPacketEncryption) then
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-- first RSA byte must be 0
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msg:addU8(0)
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-- xtea key
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self:generateXteaKey()
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local xteaKey = self:getXteaKey()
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msg:addU32(xteaKey[1])
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msg:addU32(xteaKey[2])
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msg:addU32(xteaKey[3])
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msg:addU32(xteaKey[4])
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end
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if g_game.getFeature(GameAccountNames) then
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msg:addString(self.accountName)
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else
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msg:addU32(tonumber(self.accountName))
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msg:addU32(tonumber(self.accountName))
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end
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msg:addString(self.accountPassword)
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if self.getLoginExtendedData then
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local data = self:getLoginExtendedData()
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msg:addString(data)
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else
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msg:addString("OTCv8")
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local version = g_app.getVersion():split(" ")[1]:gsub("%.", "")
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if version:len() == 2 then
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version = version .. "0"
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end
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msg:addU16(tonumber(version))
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end
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local paddingBytes = g_crypt.rsaGetSize() - (msg:getMessageSize() - offset)
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assert(paddingBytes >= 0)
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for i = 1, paddingBytes do
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msg:addU8(math.random(0, 0xff))
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end
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if g_game.getFeature(GameLoginPacketEncryption) then
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msg:encryptRsa()
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end
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if g_game.getFeature(GameOGLInformation) then
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msg:addU8(1) --unknown
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msg:addU8(1) --unknown
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if g_game.getClientVersion() >= 1072 then
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msg:addString(string.format('%s %s', g_graphics.getVendor(), g_graphics.getRenderer()))
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else
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msg:addString(g_graphics.getRenderer())
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end
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msg:addString(g_graphics.getVersion())
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end
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-- add RSA encrypted auth token
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if g_game.getFeature(GameAuthenticator) then
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offset = msg:getMessageSize()
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-- first RSA byte must be 0
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msg:addU8(0)
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msg:addString(self.authenticatorToken)
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if g_game.getFeature(GameSessionKey) then
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msg:addU8(booleantonumber(self.stayLogged))
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end
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paddingBytes = g_crypt.rsaGetSize() - (msg:getMessageSize() - offset)
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assert(paddingBytes >= 0)
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for i = 1, paddingBytes do
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msg:addU8(math.random(0, 0xff))
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end
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msg:encryptRsa()
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end
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if g_game.getFeature(GamePacketSizeU32) then
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self:enableBigPackets()
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end
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if g_game.getFeature(GameProtocolChecksum) then
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self:enableChecksum()
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end
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self:send(msg)
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if g_game.getFeature(GameLoginPacketEncryption) then
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self:enableXteaEncryption()
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end
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self:recv()
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end
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function ProtocolLogin:onConnect()
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self.gotConnection = true
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self:connectCallback()
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self.connectCallback = nil
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end
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function ProtocolLogin:onRecv(msg)
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while not msg:eof() do
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local opcode = msg:getU8()
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if opcode == LoginServerErrorNew then
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self:parseError(msg)
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elseif opcode == LoginServerError then
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self:parseError(msg)
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elseif opcode == LoginServerMotd then
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self:parseMotd(msg)
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elseif opcode == LoginServerUpdateNeeded then
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signalcall(self.onLoginError, self, tr("Client needs update."))
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elseif opcode == LoginServerTokenSuccess then
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local unknown = msg:getU8()
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elseif opcode == LoginServerTokenError then
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-- TODO: prompt for token here
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local unknown = msg:getU8()
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signalcall(self.onLoginError, self, tr("Invalid authentification token."))
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elseif opcode == LoginServerCharacterList then
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self:parseCharacterList(msg)
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elseif opcode == LoginServerExtendedCharacterList then
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self:parseExtendedCharacterList(msg)
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elseif opcode == LoginServerUpdate then
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local signature = msg:getString()
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signalcall(self.onUpdateNeeded, self, signature)
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elseif opcode == LoginServerSessionKey then
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self:parseSessionKey(msg)
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elseif opcode == LoginServerProxyList then
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local proxies = {}
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local proxiesCount = msg:getU8()
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for i=1, proxiesCount do
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local host = msg:getString()
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local port = msg:getU16()
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local priority = msg:getU16()
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table.insert(proxies, {host=host, port=port, priority=priority})
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end
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signalcall(self.onProxyList, self, proxies)
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else
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self:parseOpcode(opcode, msg)
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end
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end
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self:disconnect()
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end
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function ProtocolLogin:parseError(msg)
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local errorMessage = msg:getString()
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signalcall(self.onLoginError, self, errorMessage)
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end
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function ProtocolLogin:parseMotd(msg)
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local motd = msg:getString()
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signalcall(self.onMotd, self, motd)
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end
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function ProtocolLogin:parseSessionKey(msg)
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local sessionKey = msg:getString()
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signalcall(self.onSessionKey, self, sessionKey)
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end
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function ProtocolLogin:parseCharacterList(msg)
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local characters = {}
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if g_game.getClientVersion() > 1010 then
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local worlds = {}
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local worldsCount = msg:getU8()
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for i=1, worldsCount do
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local world = {}
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local worldId = msg:getU8()
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world.worldName = msg:getString()
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world.worldIp = msg:getString()
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world.worldPort = msg:getU16()
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world.previewState = msg:getU8()
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worlds[worldId] = world
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end
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local charactersCount = msg:getU8()
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for i=1, charactersCount do
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local character = {}
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local worldId = msg:getU8()
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character.name = msg:getString()
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character.worldName = worlds[worldId].worldName
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character.worldIp = worlds[worldId].worldIp
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character.worldPort = worlds[worldId].worldPort
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character.previewState = worlds[worldId].previewState
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characters[i] = character
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end
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else
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local charactersCount = msg:getU8()
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for i=1,charactersCount do
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local character = {}
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character.name = msg:getString()
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character.worldName = msg:getString()
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character.worldIp = iptostring(msg:getU32())
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character.worldPort = msg:getU16()
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if g_game.getFeature(GamePreviewState) then
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character.previewState = msg:getU8()
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end
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characters[i] = character
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end
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end
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local account = {}
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if g_game.getProtocolVersion() > 1077 then
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account.status = msg:getU8()
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account.subStatus = msg:getU8()
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account.premDays = msg:getU32()
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if account.premDays ~= 0 and account.premDays ~= 65535 then
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account.premDays = math.floor((account.premDays - os.time()) / 86400)
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end
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else
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account.status = AccountStatus.Ok
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account.premDays = msg:getU16()
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account.subStatus = account.premDays > 0 and SubscriptionStatus.Premium or SubscriptionStatus.Free
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end
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signalcall(self.onCharacterList, self, characters, account)
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end
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function ProtocolLogin:parseExtendedCharacterList(msg)
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local characters = msg:getTable()
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local account = msg:getTable()
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local otui = msg:getString()
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signalcall(self.onCharacterList, self, characters, account, otui)
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end
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function ProtocolLogin:parseOpcode(opcode, msg)
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signalcall(self.onOpcode, self, opcode, msg)
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end
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function ProtocolLogin:onError(msg, code)
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local text = translateNetworkError(code, self:isConnecting(), msg)
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signalcall(self.onLoginError, self, text)
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end
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