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ergo/irc/nickname.go
2016-06-20 10:04:53 +10:00

83 lines
2.2 KiB
Go

// Copyright (c) 2012-2014 Jeremy Latt
// Copyright (c) 2016- Daniel Oaks <daniel@danieloaks.net>
// released under the MIT license
package irc
import "github.com/DanielOaks/girc-go/ircmsg"
// NICK <nickname>
func nickHandler(server *Server, client *Client, msg ircmsg.IrcMessage) bool {
if !client.authorized {
client.Quit("Bad password")
return true
}
nickname := NewName(msg.Params[0])
if len(nickname) < 1 {
client.Send(nil, server.nameString, ERR_NONICKNAMEGIVEN, client.nickString, "No nickname given")
return false
}
if !nickname.IsNickname() {
client.Send(nil, server.nameString, ERR_ERRONEUSNICKNAME, client.nickString, msg.Params[0], "Erroneous nickname")
return false
}
if client.nick == nickname {
return false
}
//TODO(dan): There's probably some races here, we should be changing this in the primary server thread
target := server.clients.Get(nickname)
if target != nil && target != client {
client.Send(nil, server.nameString, ERR_NICKNAMEINUSE, client.nickString, msg.Params[0], "Nickname is already in use")
return false
}
client.SetNickname(nickname)
server.tryRegister(client)
return false
}
// SANICK <oldnick> <nickname>
func sanickHandler(server *Server, client *Client, msg ircmsg.IrcMessage) bool {
if !client.authorized {
client.Quit("Bad password")
return true
}
oldnick := NewName(msg.Params[0])
nickname := NewName(msg.Params[1])
if len(nickname) < 1 {
client.Send(nil, server.nameString, ERR_NONICKNAMEGIVEN, client.nickString, "No nickname given")
return false
}
if !nickname.IsNickname() {
client.Send(nil, server.nameString, ERR_ERRONEUSNICKNAME, client.nickString, msg.Params[0], "Erroneous nickname")
return false
}
if client.nick == nickname {
return false
}
target := server.clients.Get(oldnick)
if target == nil {
client.Send(nil, server.nameString, ERR_NOSUCHNICK, msg.Params[0], "No such nick")
return false
}
//TODO(dan): There's probably some races here, we should be changing this in the primary server thread
if server.clients.Get(nickname) != nil {
client.Send(nil, server.nameString, ERR_NICKNAMEINUSE, client.nickString, msg.Params[0], "Nickname is already in use")
return false
}
target.SetNickname(nickname)
return false
}