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Merge pull request #1082 from slingamn/rplmyinfo.1

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fix #1058
This commit is contained in:
Shivaram Lingamneni 2020-05-30 20:17:37 -07:00 committed by GitHub
commit 6caa8c1df8
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2 changed files with 28 additions and 6 deletions
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25
irc/modes/modes.go
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@ -6,6 +6,7 @@
package modes
import (
"sort"
"strings"
"github.com/oragono/oragono/irc/utils"
@ -418,3 +419,27 @@ func (set *ModeSet) HighestChannelUserMode() (result Mode) {
}
return
}
type ByCodepoint Modes
func (a ByCodepoint) Len() int { return len(a) }
func (a ByCodepoint) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
func (a ByCodepoint) Less(i, j int) bool { return a[i] < a[j] }
func RplMyInfo() (param1, param2, param3 string) {
userModes := make(Modes, len(SupportedUserModes))
copy(userModes, SupportedUserModes)
sort.Sort(ByCodepoint(userModes))
channelModes := make(Modes, len(SupportedChannelModes)+len(ChannelUserModes))
copy(channelModes, SupportedChannelModes)
copy(channelModes[len(SupportedChannelModes):], ChannelUserModes)
sort.Sort(ByCodepoint(channelModes))
// XXX enumerate these by hand, i can't see any way to DRY this
channelParametrizedModes := Modes{BanMask, ExceptMask, InviteMask, Key, UserLimit}
channelParametrizedModes = append(channelParametrizedModes, ChannelUserModes...)
sort.Sort(ByCodepoint(channelParametrizedModes))
return userModes.String(), channelModes.String(), channelParametrizedModes.String()
}

9
irc/server.go
View File

@ -36,10 +36,8 @@ var (
// common error line to sub values into
errorMsg = "ERROR :%s\r\n"
// supportedUserModesString acts as a cache for when we introduce users
supportedUserModesString = modes.SupportedUserModes.String()
// supportedChannelModesString acts as a cache for when we introduce users
supportedChannelModesString = modes.SupportedChannelModes.String()
// three final parameters of 004 RPL_MYINFO, enumerating our supported modes
rplMyInfo1, rplMyInfo2, rplMyInfo3 = modes.RplMyInfo()
// whitelist of caps to serve on the STS-only listener. In particular,
// never advertise SASL, to discourage people from sending their passwords:
@ -297,8 +295,7 @@ func (server *Server) playRegistrationBurst(session *Session) {
session.Send(nil, server.name, RPL_WELCOME, d.nick, fmt.Sprintf(c.t("Welcome to the Internet Relay Network %s"), d.nick))
session.Send(nil, server.name, RPL_YOURHOST, d.nick, fmt.Sprintf(c.t("Your host is %[1]s, running version %[2]s"), server.name, Ver))
session.Send(nil, server.name, RPL_CREATED, d.nick, fmt.Sprintf(c.t("This server was created %s"), server.ctime.Format(time.RFC1123)))
//TODO(dan): Look at adding last optional [<channel modes with a parameter>] parameter
session.Send(nil, server.name, RPL_MYINFO, d.nick, server.name, Ver, supportedUserModesString, supportedChannelModesString)
session.Send(nil, server.name, RPL_MYINFO, d.nick, server.name, Ver, rplMyInfo1, rplMyInfo2, rplMyInfo3)
if c.isSTSOnly {
for _, line := range server.Config().Server.STS.bannerLines {