12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182 |
- // 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
- }
|