func cmdOperflags(source interface{}, params [][]byte) {
c := source.(*Client)
var target *core.User
if target = core.GetUserByNick(string(params[0])); target == nil {
c.SendLineTo(nil, "401", "%s %s :No such user.", c.u.Nick(),
params[0])
return
}
var flags string
if flags = target.Data("op"); flags == "" {
c.SendLineTo(nil, "304", ":OPERFLAGS: %s has no server oper flags.", target.Nick())
return
}
if flags == "on" {
flags = perm.DefaultServerOp()
}
c.SendLineTo(nil, "304", ":OPERFLAGS: %s has server oper flags: %s", target.Nick(), flags)
var commands string
if commands = target.Data("opcommands"); commands == "" {
return
}
c.SendLineTo(nil, "304", ":OPERFLAGS: %s also has the following specific commands: %s", target.Nick(), commands)
}
func cmdUserhost(source interface{}, params [][]byte) {
c := source.(*Client)
nicks := strings.Fields(string(params[0]))
var replyline string
for _, nick := range nicks {
var user *core.User
if user = core.GetUserByNick(nick); user == nil {
continue
}
if replyline != "" {
replyline += " "
}
replyline += nick
if user.Data("op") != "" {
replyline += "*"
}
replyline += "="
if user.Data("away") != "" {
replyline += "-"
} else {
replyline += "+"
}
replyline += user.GetHostname()
}
c.SendLineTo(nil, "302", ":%s", replyline)
}
func cmdOkick(source interface{}, params [][]byte) {
c := source.(*client.Client)
var ch *core.Channel
var target *core.User
channame := string(params[0])
if channame[0] == '#' {
channame = channame[1:]
}
if ch = core.FindChannel("", channame); ch == nil {
return
}
if target = core.GetUserByNick(string(params[1])); target == nil {
return
}
perm, err := perm.CheckRemovePerm("", c.User(), target, ch)
if perm < -1000000 {
c.SendLineTo(nil, "482", "#%s :%s", ch.Name(), err)
return
}
var message string
if len(params) > 2 {
message = string(params[2])
}
ch.Remove(nil, nil, target, message)
}
func cmdKill(source interface{}, params [][]byte) {
c := source.(*Client)
targets := strings.Split(string(params[0]), ",", -1)
message := string(params[1])
for _, t := range targets {
if target := core.GetUserByNick(string(t)); target != nil {
perm, err := perm.CheckKillPerm(me, c.u, target)
if perm < -1000000 {
c.SendLineTo(nil, "404", "%s :%s", target.Nick(), err)
continue
}
// Send a kill message to the user if they're killing
// themselves. The rest of the server treats this as a
// quit, but their client won't understand this.
if target == c.u {
c.SendLineTo(c.u, "KILL", "%s (%s)", c.u.Nick(), message)
}
// Kill the user.
target.Delete(me, c.u, message)
continue
}
c.SendLineTo(nil, "401", "%s :%s", t, "No such nick.")
}
}
func cmdNotice(source interface{}, params [][]byte) {
c := source.(*Client)
targets := strings.Split(string(params[0]), ",", -1)
for _, t := range targets {
if target := core.GetUserByNick(string(t)); target != nil {
if ok, err := perm.CheckUserMsg(me, c.u, target, params[1],
"noreply"); ok {
target.Message(me, c.u, params[1], "noreply")
} else {
c.SendLineTo(nil, "404", "%s :%s", target.Nick(), err)
}
continue
}
if t[0] == '#' {
channame := string(t[1:])
ch := core.FindChannel("", channame)
if ch != nil {
if ok, err := perm.CheckChanMsg(c.u, ch,
params[1], " noreply"); ok {
ch.Message(me, c.u, params[1], "noreply")
} else {
c.SendLineTo(nil, "404", "#%s :%s", ch.Name(), err)
}
continue
}
}
c.SendLineTo(nil, "401", "%s :%s", t, "No such nick or channel.")
}
}
func cmdOpflags(source interface{}, params [][]byte) {
c := source.(*Client)
channame := string(params[0])
if channame[0] == '#' {
channame = channame[1:]
}
var ch *core.Channel
if ch = core.FindChannel("", channame); ch == nil {
c.SendLineTo(nil, "403", "#%s :No such channel.", channame)
return
}
// If the user isn't on the channel, don't let them check unless they
// can view private channel data.
if m := ch.GetMember(c.u); m == nil {
if ok, err := perm.CheckChanViewData(me, c.u, ch, "members"); !ok {
c.SendLineTo(nil, "482", "#%s :%s", ch.Name(), err)
return
}
}
var target *core.User
if target = core.GetUserByNick(string(params[1])); target == nil {
c.SendLineTo(nil, "401", "%s :No such user.", params[1])
return
}
var m *core.Membership
if m = ch.GetMember(target); m == nil {
c.SendLineTo(nil, "304", ":OPFLAGS #%s: %s is not in the channel.", ch.Name(), target.Nick())
return
}
if ok, err := perm.CheckMemberViewData(me, c.u, m, "op"); !ok {
c.SendLineTo(nil, "482", "#%s :%s: %s", ch.Name(), target.Nick(), err)
return
}
var flags string
if flags = m.Data("op"); flags == "" {
c.SendLineTo(nil, "304", ":OPFLAGS #%s: %s has no channel op flags.", ch.Name(), target.Nick())
return
}
if flags == "on" {
flags = perm.DefaultChanOp()
}
c.SendLineTo(nil, "304", ":OPFLAGS #%s: %s has channel op flags: %s", ch.Name(), target.Nick(), flags)
}
func cmdIsOn(source interface{}, params [][]byte) {
c := source.(*Client)
nicks := strings.Fields(string(params[0]))
var replyline string
for _, nick := range nicks {
if core.GetUserByNick(nick) != nil {
if replyline != "" {
replyline += " "
}
replyline += nick
}
}
c.SendLineTo(nil, "303", ":%s", replyline)
}
// ParseModeLine parses a line of mode changes into core.DataChange structs.
// Redundant changes are compressed down into one.
// An error is returned if unknown modes are encountered, or modes are dropped
// due to missing parameters. The remainder of the modes are still parsed.
// e is the user or channel being changed.
func (p *ModeParser) ParseModeLine(source *core.User, e core.Extensible, modeline []byte, params []string) ([]core.DataChange, os.Error) {
var adding bool = true
var unknown string
var missing string
var param int
modes := string(modeline)
changes := make(map[string]core.DataChange)
for _, char := range modes {
if char == '+' {
adding = true
continue
} else if char == '-' {
adding = false
continue
}
if v, ok := p.simple[char]; ok {
if v, ok := p.extended[char]; ok {
newchanges := v(adding, e, "")
for _, it := range newchanges {
changes[it.Name] = it
}
continue
}
var change core.DataChange
change.Name = v
if adding {
change.Data = "on"
}
changes[change.Name] = change
continue
}
if v, ok := p.parametered[char]; ok {
var change core.DataChange
if adding {
if param >= len(params) {
missing += string(char)
continue
}
if v, ok := p.extended[char]; ok {
newch := v(adding, e, params[param])
param++
for _, it := range newch {
changes[it.Name] = it
}
continue
}
change.Name = v
change.Data = params[param]
param++
} else {
if v, ok := p.extended[char]; ok {
newchanges := v(adding, e, "")
for _, it := range newchanges {
changes[it.Name] = it
}
continue
}
change.Name = v
}
changes[change.Name] = change
continue
}
if v, ok := p.list[char]; ok {
if param >= len(params) {
missing += string(char)
continue
}
var change core.DataChange
cparam := params[param]
param++
if v, ok := p.extended[char]; ok {
newchanges := v(adding, e, cparam)
for _, it := range newchanges {
if it.Data != "" {
it.Data += fmt.Sprintf(" setby-%s setat-%d", source.GetSetBy(), time.Seconds())
}
changes[it.Name] = it
}
continue
}
if adding {
change.Name = v + " " + cparam
change.Data = fmt.Sprintf("on setby-%s setat-%d", source.GetSetBy(), time.Seconds())
} else {
change.Name = v + " " + cparam
}
changes[change.Name] = change
continue
}
if v, ok := p.membership[char]; ok {
var ch *core.Channel
var ok bool
if ch, ok = e.(*core.Channel); !ok {
continue
}
if param >= len(params) {
missing += string(char)
continue
}
par := params[param]
param++
if v, ok := p.extended[char]; ok {
newchanges := v(adding, e, par)
for _, it := range newchanges {
if it.Member != nil {
changes["m"+it.Member.User().ID()+" "+it.Name] = it
} else {
changes[it.Name] = it
}
}
continue
}
var u *core.User
var m *core.Membership
if u = core.GetUser(par); u == nil {
if u = core.GetUserByNick(par); u == nil {
continue
}
}
if m = ch.GetMember(u); m == nil {
continue
}
var change core.DataChange
change.Name = v
change.Member = m
if adding {
change.Data = "on"
}
changes["m"+change.Member.User().ID()+" "+change.Name] = change
continue
}
unknown += string(char)
}
// Turn the modes into a slice.
c := make([]core.DataChange, 0, len(changes))
for _, change := range changes {
c = append(c, change)
}
// Get the error, if we had one.
var errstring string
if unknown != "" {
errstring += "Unknown mode letters: " + unknown
if missing != "" {
errstring += " "
}
}
if missing != "" {
errstring += "Missing parameters for: " + missing
}
var err os.Error
if errstring != "" {
err = os.NewError(errstring)
}
return c, err
}
// Function handling processing of extended op syntax into metadata.
// It returns the data change object.
func processOp(adding bool, ch *core.Channel, param string) []core.DataChange {
var change core.DataChange
change.Name = "op"
change.Data = perm.DefaultChanOp()
// Find a colon, indicating extended op syntax.
var colon, mask int
colon = strings.IndexRune(param, ':')
if colon > -1 && len(param) > colon+1 {
mask = colon + 1
} else {
colon = -1
}
// Set the member this opping refers to.
if target := core.GetUserByNick(param[mask:]); target != nil {
if m := ch.GetMember(target); m != nil {
change.Member = m
} else {
return nil
}
} else {
return nil
}
// If a colon exists, treat everything before it as opflags.
if colon > -1 {
change.Data = ""
for _, char := range param[:colon] {
if v := Flags.Str(char); v != "" {
if change.Data != "" {
change.Data += " "
}
change.Data += v
}
}
}
// Get the existing op flags, expanding default ops.
existingData := change.Member.Data("op")
words := strings.Fields(existingData)
var existing string
for _, word := range words {
if word == "on" {
word = perm.DefaultChanOp()
}
if existing != "" {
existing += " "
}
existing += word
}
if adding {
// If we're adding the ban, add the new restrictions to the
// previous restrictions.
if existing != "" {
words := strings.Fields(existing)
remwords := strings.Fields(change.Data)
for _, flag := range words {
var found bool
for _, w := range remwords {
if w == flag {
found = true
break
}
}
if !found {
if change.Data != "" {
change.Data += " "
}
change.Data += flag
}
}
}
} else {
// If we're removing the ban, remove the removed restrictions.
// Leave restrictions not removed alone.
// This is "fun". This is also O(n^2).
var left string
if existing != "" {
words := strings.Fields(existing)
remwords := strings.Fields(change.Data)
for _, flag := range words {
var found bool
for _, w := range remwords {
if w == flag {
found = true
break
}
}
if !found && Flags.Char(flag) != 0 {
if left != "" {
left += " "
}
left += flag
}
}
}
change.Data = left
}
// Test for whether we have a default restriction.
var outsideDefault bool
var missingDefault bool
defwords := strings.Fields(perm.DefaultChanOp())
words = strings.Fields(change.Data)
for _, word := range words {
var found bool
for _, defword := range defwords {
if defword == word {
found = true
break
}
}
if !found {
outsideDefault = true
break
}
}
if !outsideDefault {
for _, defword := range defwords {
var found bool
for _, word := range words {
if defword == word {
found = true
break
}
}
if !found {
missingDefault = true
break
}
}
}
// If the restriction is the same as the default restriction, quietly
// change it to "on".
if !outsideDefault && !missingDefault {
change.Data = "on"
}
return []core.DataChange{change}
}