mirror of
https://github.com/ergochat/ergo.git
synced 2024-11-26 22:09:24 +01:00
116 lines
3.9 KiB
Go
116 lines
3.9 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 (
|
|
"crypto/rand"
|
|
"encoding/hex"
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/goshuirc/irc-go/ircfmt"
|
|
"github.com/oragono/oragono/irc/history"
|
|
"github.com/oragono/oragono/irc/sno"
|
|
"github.com/oragono/oragono/irc/utils"
|
|
)
|
|
|
|
var (
|
|
restrictedNicknames = []string{
|
|
"=scene=", // used for rp commands
|
|
"HistServ", // used to play back JOIN, PART, etc. to legacy clients
|
|
}
|
|
|
|
restrictedCasefoldedNicks = make(map[string]bool)
|
|
restrictedSkeletons = make(map[string]bool)
|
|
)
|
|
|
|
// returns whether the change succeeded or failed
|
|
func performNickChange(server *Server, client *Client, target *Client, session *Session, newnick string, rb *ResponseBuffer) bool {
|
|
nickname := strings.TrimSpace(newnick)
|
|
currentNick := client.Nick()
|
|
|
|
if len(nickname) < 1 {
|
|
rb.Add(nil, server.name, ERR_NONICKNAMEGIVEN, currentNick, client.t("No nickname given"))
|
|
return false
|
|
}
|
|
|
|
if target.Nick() == nickname {
|
|
return true
|
|
}
|
|
|
|
hadNick := target.HasNick()
|
|
origNickMask := target.NickMaskString()
|
|
details := target.Details()
|
|
err := client.server.clients.SetNick(target, session, nickname)
|
|
if err == errNicknameInUse {
|
|
rb.Add(nil, server.name, ERR_NICKNAMEINUSE, currentNick, nickname, client.t("Nickname is already in use"))
|
|
} else if err == errNicknameReserved {
|
|
rb.Add(nil, server.name, ERR_NICKNAMEINUSE, currentNick, nickname, client.t("Nickname is reserved by a different account"))
|
|
} else if err == errNicknameInvalid {
|
|
rb.Add(nil, server.name, ERR_ERRONEUSNICKNAME, currentNick, utils.SafeErrorParam(nickname), client.t("Erroneous nickname"))
|
|
} else if err != nil {
|
|
rb.Add(nil, server.name, ERR_UNKNOWNERROR, currentNick, "NICK", fmt.Sprintf(client.t("Could not set or change nickname: %s"), err.Error()))
|
|
}
|
|
if err != nil {
|
|
return false
|
|
}
|
|
|
|
message := utils.MakeMessage("")
|
|
histItem := history.Item{
|
|
Type: history.Nick,
|
|
Nick: origNickMask,
|
|
AccountName: details.accountName,
|
|
Message: message,
|
|
}
|
|
histItem.Params[0] = nickname
|
|
|
|
client.server.logger.Debug("nick", fmt.Sprintf("%s changed nickname to %s [%s]", origNickMask, nickname, client.NickCasefolded()))
|
|
if hadNick {
|
|
if client == target {
|
|
target.server.snomasks.Send(sno.LocalNicks, fmt.Sprintf(ircfmt.Unescape("$%s$r changed nickname to %s"), details.nick, nickname))
|
|
} else {
|
|
target.server.snomasks.Send(sno.LocalNicks, fmt.Sprintf(ircfmt.Unescape("Operator %s changed nickname of $%s$r to %s"), client.Nick(), details.nick, nickname))
|
|
}
|
|
target.server.whoWas.Append(details.WhoWas)
|
|
rb.AddFromClient(message.Time, message.Msgid, origNickMask, details.accountName, nil, "NICK", nickname)
|
|
for session := range target.Friends() {
|
|
if session != rb.session {
|
|
session.sendFromClientInternal(false, message.Time, message.Msgid, origNickMask, details.accountName, nil, "NICK", nickname)
|
|
}
|
|
}
|
|
}
|
|
|
|
for _, channel := range client.Channels() {
|
|
channel.history.Add(histItem)
|
|
}
|
|
|
|
if target.Registered() {
|
|
client.server.monitorManager.AlertAbout(target, true)
|
|
target.nickTimer.Touch(rb)
|
|
} // else: these will be deferred to the end of registration (see #572)
|
|
return true
|
|
}
|
|
|
|
func (server *Server) RandomlyRename(client *Client) {
|
|
prefix := server.AccountConfig().NickReservation.RenamePrefix
|
|
if prefix == "" {
|
|
prefix = "Guest-"
|
|
}
|
|
buf := make([]byte, 8)
|
|
rand.Read(buf)
|
|
nick := fmt.Sprintf("%s%s", prefix, hex.EncodeToString(buf))
|
|
sessions := client.Sessions()
|
|
if len(sessions) == 0 {
|
|
return
|
|
}
|
|
// XXX arbitrarily pick the first session to receive error messages;
|
|
// all other sessions receive a `NICK` line same as a friend would
|
|
rb := NewResponseBuffer(sessions[0])
|
|
performNickChange(server, client, client, nil, nick, rb)
|
|
rb.Send(false)
|
|
// technically performNickChange can fail to change the nick,
|
|
// but if they're still delinquent, the timer will get them later
|
|
}
|