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Initial RELAYMSG implementation
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@ -583,6 +583,7 @@ oper-classes:
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- "vhosts"
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- "chanreg"
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- "history"
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- "relaymsg-anywhere"
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# ircd operators
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opers:
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@ -93,6 +93,12 @@ CAPDEFS = [
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url="https://ircv3.net/specs/extensions/multi-prefix-3.1.html",
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standard="IRCv3",
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),
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CapDef(
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identifier="Relaymsg",
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name="draft/relaymsg",
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url="https://github.com/ircv3/ircv3-specifications/pull/417",
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standard="proposed IRCv3",
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),
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CapDef(
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identifier="Rename",
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name="draft/rename",
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@ -7,7 +7,7 @@ package caps
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const (
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// number of recognized capabilities:
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numCapabs = 26
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numCapabs = 27
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// length of the uint64 array that represents the bitset:
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bitsetLen = 1
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)
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@ -53,6 +53,10 @@ const (
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// https://github.com/ircv3/ircv3-specifications/pull/398
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Multiline Capability = iota
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// Relaymsg is the proposed IRCv3 capability named "draft/relaymsg":
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// https://github.com/ircv3/ircv3-specifications/pull/417
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Relaymsg Capability = iota
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// Rename is the proposed IRCv3 capability named "draft/rename":
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// https://github.com/SaberUK/ircv3-specifications/blob/rename/extensions/rename.md
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Rename Capability = iota
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@ -131,6 +135,7 @@ var (
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"draft/event-playback",
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"draft/languages",
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"draft/multiline",
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"draft/relaymsg",
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"draft/rename",
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"draft/resume-0.5",
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"echo-message",
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@ -173,6 +173,10 @@ func (clients *ClientManager) SetNick(client *Client, session *Session, newNick
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return "", errNicknameInvalid, false
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}
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if strings.Contains(newCfNick, "/") {
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return "", errNicknameInvalid, false
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}
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if restrictedCasefoldedNicks[newCfNick] || restrictedSkeletons[newSkeleton] {
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return "", errNicknameInvalid, false
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}
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@ -250,6 +250,10 @@ func init() {
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minParams: 2,
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allowedInBatch: true,
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},
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"RELAYMSG": {
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handler: relaymsgHandler,
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minParams: 3,
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},
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"RENAME": {
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handler: renameHandler,
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minParams: 2,
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@ -1068,6 +1068,9 @@ func LoadConfig(filename string) (config *Config, err error) {
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}
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config.Server.capValues[caps.Languages] = config.languageManager.CapValue()
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// intentionally not configurable
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config.Server.capValues[caps.Relaymsg] = "/"
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config.Debug.recoverFromErrors = utils.BoolDefaultTrue(config.Debug.RecoverFromErrors)
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// process operator definitions, store them to config.operators
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@ -1887,6 +1887,15 @@ func messageHandler(server *Server, client *Client, msg ircmsg.IrcMessage, rb *R
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if i == maxTargets {
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break
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}
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if strings.Contains(targetString, "/") {
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if histType == history.Privmsg {
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rb.Add(nil, server.name, ERR_NOSUCHNICK, client.Nick(), targetString, client.t("Relayed users cannot be sent private messages"))
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}
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// TAGMSG/NOTICEs are intentionally silently dropped
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continue
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}
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// each target gets distinct msgids
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splitMsg := utils.MakeMessage(message)
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dispatchMessageToTarget(client, clientOnlyTags, histType, msg.Command, targetString, splitMsg, rb)
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@ -2270,6 +2279,53 @@ func rehashHandler(server *Server, client *Client, msg ircmsg.IrcMessage, rb *Re
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return false
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}
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// RELAYMSG <channel> <spoofed nick> :<message>
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func relaymsgHandler(server *Server, client *Client, msg ircmsg.IrcMessage, rb *ResponseBuffer) (result bool) {
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channel := server.channels.Get(msg.Params[0])
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if channel == nil {
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rb.Add(nil, server.name, ERR_NOSUCHCHANNEL, client.Nick(), utils.SafeErrorParam(msg.Params[0]), client.t("No such channel"))
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return false
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}
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if !(channel.ClientIsAtLeast(client, modes.ChannelOperator) || client.HasRoleCapabs("relaymsg-anywhere")) {
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rb.Add(nil, server.name, "FAIL", "RELAYMSG", "NOT_PRIVED", client.t("Only channel operators or ircops with the 'relaymsg-anywhere' role can relay messages"))
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return false
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}
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rawMessage := msg.Params[2]
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if strings.TrimSpace(rawMessage) == "" {
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rb.Add(nil, server.name, "FAIL", "RELAYMSG", "BLANK_MSG", client.t("The message must not be blank"))
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return false
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}
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message := utils.MakeMessage(rawMessage)
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nick := msg.Params[1]
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_, err := CasefoldName(nick)
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if err != nil {
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rb.Add(nil, server.name, "FAIL", "RELAYMSG", "INVALID_NICK", client.t("Invalid nickname"))
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return false
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}
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if !strings.Contains(nick, "/") {
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rb.Add(nil, server.name, "FAIL", "RELAYMSG", "INVALID_NICK", fmt.Sprintf(client.t("Relayed nicknames MUST contain the relaymsg separator %s"), "/"))
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return false
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}
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//TODO: add to history here??
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// send msg
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for _, member := range channel.Members() {
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for _, session := range member.Sessions() {
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tagsToUse := make(map[string]string)
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if session.capabilities.Has(caps.Relaymsg) {
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tagsToUse["relaymsg"] = client.Nick()
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}
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session.sendSplitMsgFromClientInternal(false, nick, "", tagsToUse, "PRIVMSG", channel.Name(), message)
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}
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}
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return false
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}
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// RENAME <oldchan> <newchan> [<reason>]
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func renameHandler(server *Server, client *Client, msg ircmsg.IrcMessage, rb *ResponseBuffer) (result bool) {
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result = false
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10
irc/help.go
10
irc/help.go
@ -393,6 +393,16 @@ Replies to a PING. Used to check link connectivity.`,
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text: `PRIVMSG <target>{,<target>} <text to be sent>
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Sends the text to the given targets as a PRIVMSG.`,
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},
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"relaymsg": {
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text: `RELAYMSG <channel> <spoofed nick> :<message>
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This command lets channel operators relay messages to their
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channel from other messaging systems using relay bots. The
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spoofed nickname MUST contain a forwardslash.
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For example:
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RELAYMSG #ircv3 Mallory/D :Welp, we linked Discord...`,
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},
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"rename": {
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text: `RENAME <channel> <newname> [<reason>]
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@ -609,6 +609,7 @@ oper-classes:
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- "vhosts"
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- "chanreg"
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- "history"
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- "relaymsg-anywhere"
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# ircd operators
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opers:
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