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mirror of https://github.com/ergochat/ergo.git synced 2024-12-23 11:12:44 +01:00
ergo/irc/chanserv.go
Shivaram Lingamneni d4cb15354f remove registeredChannelsMutex
This moves channel registration to an eventual consistency model,
where the in-memory datastructures (Channel and ChannelManager)
are the exclusive source of truth, and updates to them get persisted
asynchronously to the DB.
2017-11-08 22:24:33 -05:00

104 lines
3.2 KiB
Go

// Copyright (c) 2017 Daniel Oaks <daniel@danieloaks.net>
// released under the MIT license
package irc
import (
"fmt"
"strings"
"github.com/goshuirc/irc-go/ircfmt"
"github.com/goshuirc/irc-go/ircmsg"
"github.com/oragono/oragono/irc/sno"
)
// csHandler handles the /CS and /CHANSERV commands
func csHandler(server *Server, client *Client, msg ircmsg.IrcMessage) bool {
server.chanservReceivePrivmsg(client, strings.Join(msg.Params, " "))
return false
}
func (server *Server) chanservReceiveNotice(client *Client, message string) {
// do nothing
}
// ChanServNotice sends the client a notice from ChanServ.
func (client *Client) ChanServNotice(text string) {
client.Send(nil, fmt.Sprintf("ChanServ!services@%s", client.server.name), "NOTICE", client.nick, text)
}
func (server *Server) chanservReceivePrivmsg(client *Client, message string) {
var params []string
for _, p := range strings.Split(message, " ") {
if len(p) > 0 {
params = append(params, p)
}
}
if len(params) < 1 {
client.ChanServNotice("You need to run a command")
//TODO(dan): dump CS help here
return
}
command := strings.ToLower(params[0])
server.logger.Debug("chanserv", fmt.Sprintf("Client %s ran command %s", client.nick, command))
if command == "register" {
if len(params) < 2 {
client.ChanServNotice("Syntax: REGISTER <channel>")
return
}
if !server.channelRegistrationEnabled {
client.ChanServNotice("Channel registration is not enabled")
return
}
channelName := params[1]
channelKey, err := CasefoldChannel(channelName)
if err != nil {
client.ChanServNotice("Channel name is not valid")
return
}
channelInfo := server.channels.Get(channelKey)
if channelInfo == nil || !channelInfo.ClientIsAtLeast(client, ChannelOperator) {
client.ChanServNotice("You must be an oper on the channel to register it")
return
}
if client.account == &NoAccount {
client.ChanServNotice("You must be logged in to register a channel")
return
}
// this provides the synchronization that allows exactly one registration of the channel:
err = channelInfo.SetRegistered(client.AccountName())
if err != nil {
client.ChanServNotice(err.Error())
return
}
// registration was successful: make the database reflect it
go server.channelRegistry.StoreChannel(channelInfo, true)
client.ChanServNotice(fmt.Sprintf("Channel %s successfully registered", channelName))
server.logger.Info("chanserv", fmt.Sprintf("Client %s registered channel %s", client.nick, channelName))
server.snomasks.Send(sno.LocalChannels, fmt.Sprintf(ircfmt.Unescape("Channel registered $c[grey][$r%s$c[grey]] by $c[grey][$r%s$c[grey]]"), channelName, client.nickMaskString))
// give them founder privs
change := channelInfo.applyModeMemberNoMutex(client, ChannelFounder, Add, client.NickCasefolded())
if change != nil {
//TODO(dan): we should change the name of String and make it return a slice here
//TODO(dan): unify this code with code in modes.go
args := append([]string{channelName}, strings.Split(change.String(), " ")...)
for _, member := range channelInfo.Members() {
member.Send(nil, fmt.Sprintf("ChanServ!services@%s", client.server.name), "MODE", args...)
}
}
} else {
client.ChanServNotice("Sorry, I don't know that command")
}
}