mirror of
https://github.com/ergochat/ergo.git
synced 2024-11-14 07:59:31 +01:00
105 lines
2.8 KiB
Go
105 lines
2.8 KiB
Go
// Copyright (c) 2012-2014 Jeremy Latt
|
|
// Copyright (c) 2016-2017 Daniel Oaks <daniel@danieloaks.net>
|
|
// released under the MIT license
|
|
|
|
package irc
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/goshuirc/irc-go/ircmsg"
|
|
)
|
|
|
|
var (
|
|
restrictedNicknames = map[string]bool{
|
|
"=scene=": true, // used for rp commands
|
|
"chanserv": true,
|
|
"nickserv": true,
|
|
}
|
|
)
|
|
|
|
// NICK <nickname>
|
|
func nickHandler(server *Server, client *Client, msg ircmsg.IrcMessage) bool {
|
|
if !client.authorized {
|
|
client.Quit("Bad password")
|
|
return true
|
|
}
|
|
|
|
nicknameRaw := strings.TrimSpace(msg.Params[0])
|
|
nickname, err := CasefoldName(nicknameRaw)
|
|
|
|
if len(nicknameRaw) < 1 {
|
|
client.Send(nil, server.name, ERR_NONICKNAMEGIVEN, client.nick, "No nickname given")
|
|
return false
|
|
}
|
|
|
|
if err != nil || len(nicknameRaw) > server.limits.NickLen || restrictedNicknames[nickname] {
|
|
client.Send(nil, server.name, ERR_ERRONEUSNICKNAME, client.nick, nicknameRaw, "Erroneous nickname")
|
|
return false
|
|
}
|
|
|
|
if client.nick == nickname {
|
|
return false
|
|
}
|
|
|
|
// bleh, this will be replaced and done below
|
|
if client.registered {
|
|
err = client.ChangeNickname(nicknameRaw)
|
|
} else {
|
|
err = client.SetNickname(nicknameRaw)
|
|
}
|
|
if err == ErrNicknameInUse {
|
|
client.Send(nil, server.name, ERR_NICKNAMEINUSE, client.nick, nicknameRaw, "Nickname is already in use")
|
|
return false
|
|
} else if err != nil {
|
|
client.Send(nil, server.name, ERR_UNKNOWNERROR, client.nick, "NICK", fmt.Sprintf("Could not set or change nickname: %s", err.Error()))
|
|
return false
|
|
}
|
|
if client.registered {
|
|
client.alertMonitors()
|
|
}
|
|
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, oerr := CasefoldName(msg.Params[0])
|
|
nickname, err := CasefoldName(msg.Params[1])
|
|
|
|
if len(nickname) < 1 {
|
|
client.Send(nil, server.name, ERR_NONICKNAMEGIVEN, client.nick, "No nickname given")
|
|
return false
|
|
}
|
|
|
|
if oerr != nil || err != nil || len(strings.TrimSpace(msg.Params[1])) > server.limits.NickLen || restrictedNicknames[nickname] {
|
|
client.Send(nil, server.name, ERR_ERRONEUSNICKNAME, client.nick, msg.Params[0], "Erroneous nickname")
|
|
return false
|
|
}
|
|
|
|
if client.nick == msg.Params[1] {
|
|
return false
|
|
}
|
|
|
|
target := server.clients.Get(oldnick)
|
|
if target == nil {
|
|
client.Send(nil, server.name, 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 && server.clients.Get(nickname) != target {
|
|
client.Send(nil, server.name, ERR_NICKNAMEINUSE, client.nick, msg.Params[0], "Nickname is already in use")
|
|
return false
|
|
}
|
|
|
|
target.ChangeNickname(msg.Params[1])
|
|
return false
|
|
}
|