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kick command

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This commit is contained in:
Jeremy Latt 2014-02-16 23:29:11 -08:00
parent af5a05f390
commit a9d7f64693
7 changed files with 152 additions and 65 deletions
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27
irc/channel.go
View File

@ -145,13 +145,7 @@ func (channel *Channel) Part(client *Client, message string) {
}
channel.Reply(RplPart(client, channel, message))
channel.members.Remove(client)
client.channels.Remove(channel)
for member := range channel.members {
member.RemoveFriend(client)
}
channel.Quit(client)
if channel.IsEmpty() {
channel.server.channels.Remove(channel)
@ -305,4 +299,23 @@ func (channel *Channel) Quit(client *Client) {
}
channel.members.Remove(client)
client.channels.Remove(channel)
}
func (channel *Channel) Kick(client *Client, target *Client, comment string) {
if !channel.members.Has(client) {
client.Reply(ErrNotOnChannel(channel))
return
}
if !channel.ClientIsOperator(client) {
client.Reply(ErrChanOPrivIsNeeded(channel))
return
}
if !channel.members.Has(target) {
client.Reply(ErrUserNotInChannel(channel, target))
return
}
channel.Reply(RplKick(channel, client, target, comment))
channel.Quit(target)
}

6
irc/client.go
View File

@ -4,6 +4,7 @@ import (
"fmt"
"log"
"net"
"strings"
"time"
)
@ -57,9 +58,8 @@ func (client *Client) readCommands() {
if err != nil {
switch err {
case NotEnoughArgsError:
client.Reply(ErrNeedMoreParams(client.server, line))
default:
client.Reply(ErrUnknownCommand(client.server, line))
parts := strings.SplitN(line, " ", 2)
client.Reply(ErrNeedMoreParams(client.server, parts[0]))
}
continue
}

109
irc/commands.go
View File

@ -9,7 +9,7 @@ import (
type editableCommand interface {
Command
SetName(string)
SetCode(StringCode)
SetClient(*Client)
}
@ -18,33 +18,34 @@ type parseCommandFunc func([]string) (editableCommand, error)
var (
NotEnoughArgsError = errors.New("not enough arguments")
ErrParseCommand = errors.New("failed to parse message")
parseCommandFuncs = map[string]parseCommandFunc{
"AWAY": NewAwayCommand,
"CAP": NewCapCommand,
"ISON": NewIsOnCommand,
"JOIN": NewJoinCommand,
"MODE": NewModeCommand,
"MOTD": NewMOTDCommand,
"NICK": NewNickCommand,
"NOTICE": NewNoticeCommand,
"OPER": NewOperCommand,
"PART": NewPartCommand,
"PASS": NewPassCommand,
"PING": NewPingCommand,
"PONG": NewPongCommand,
"PRIVMSG": NewPrivMsgCommand,
"PROXY": NewProxyCommand,
"QUIT": NewQuitCommand,
"TOPIC": NewTopicCommand,
"USER": NewUserMsgCommand,
"WHO": NewWhoCommand,
"WHOIS": NewWhoisCommand,
parseCommandFuncs = map[StringCode]parseCommandFunc{
AWAY: NewAwayCommand,
CAP: NewCapCommand,
ISON: NewIsOnCommand,
JOIN: NewJoinCommand,
KICK: NewKickCommand,
MODE: NewModeCommand,
MOTD: NewMOTDCommand,
NICK: NewNickCommand,
NOTICE: NewNoticeCommand,
OPER: NewOperCommand,
PART: NewPartCommand,
PASS: NewPassCommand,
PING: NewPingCommand,
PONG: NewPongCommand,
PRIVMSG: NewPrivMsgCommand,
PROXY: NewProxyCommand,
QUIT: NewQuitCommand,
TOPIC: NewTopicCommand,
USER: NewUserMsgCommand,
WHO: NewWhoCommand,
WHOIS: NewWhoisCommand,
}
)
type BaseCommand struct {
client *Client
name string
code StringCode
}
func (command *BaseCommand) Client() *Client {
@ -55,12 +56,12 @@ func (command *BaseCommand) SetClient(c *Client) {
command.client = c
}
func (command *BaseCommand) Name() string {
return command.name
func (command *BaseCommand) Code() StringCode {
return command.code
}
func (command *BaseCommand) SetName(name string) {
command.name = name
func (command *BaseCommand) SetCode(code StringCode) {
command.code = code
}
func (command *BaseCommand) Source() Identifier {
@ -72,15 +73,15 @@ func (command *BaseCommand) Reply(reply Reply) {
}
func ParseCommand(line string) (cmd editableCommand, err error) {
command, args := parseLine(line)
constructor := parseCommandFuncs[command]
code, args := parseLine(line)
constructor := parseCommandFuncs[code]
if constructor == nil {
cmd = NewUnknownCommand(command, args)
cmd = NewUnknownCommand(args)
} else {
cmd, err = constructor(args)
}
if cmd != nil {
cmd.SetName(command)
cmd.SetCode(code)
}
return
}
@ -102,13 +103,13 @@ func parseArg(line string) (arg string, rest string) {
return
}
func parseLine(line string) (command string, args []string) {
func parseLine(line string) (command StringCode, args []string) {
args = make([]string, 0)
for arg, rest := parseArg(line); arg != ""; arg, rest = parseArg(rest) {
args = append(args, arg)
}
if len(args) > 0 {
command, args = strings.ToUpper(args[0]), args[1:]
command, args = StringCode(strings.ToUpper(args[0])), args[1:]
}
return
}
@ -121,10 +122,10 @@ type UnknownCommand struct {
}
func (cmd *UnknownCommand) String() string {
return fmt.Sprintf("UNKNOWN(command=%s, args=%s)", cmd.Name(), cmd.args)
return fmt.Sprintf("UNKNOWN(command=%s, args=%s)", cmd.Code(), cmd.args)
}
func NewUnknownCommand(command string, args []string) *UnknownCommand {
func NewUnknownCommand(args []string) *UnknownCommand {
return &UnknownCommand{
args: args,
}
@ -739,3 +740,41 @@ func NewNoticeCommand(args []string) (editableCommand, error) {
message: args[1],
}, nil
}
type KickCommand struct {
BaseCommand
kicks map[string]string
comment string
}
func (msg *KickCommand) Comment() string {
if msg.comment == "" {
return msg.Source().Nick()
}
return msg.comment
}
func NewKickCommand(args []string) (editableCommand, error) {
if len(args) < 2 {
return nil, NotEnoughArgsError
}
channels := strings.Split(args[0], ",")
users := strings.Split(args[1], ",")
if (len(channels) != len(users)) && (len(users) != 1) {
return nil, NotEnoughArgsError
}
cmd := &KickCommand{
kicks: make(map[string]string),
}
for index, channel := range channels {
if len(users) == 1 {
cmd.kicks[channel] = users[0]
} else {
cmd.kicks[channel] = users[index]
}
}
if len(args) > 2 {
cmd.comment = args[2]
}
return cmd, nil
}

31
irc/constants.go
View File

@ -24,18 +24,29 @@ const (
QUIT_TIMEOUT = time.Minute // how long after idle before a client is kicked
// string codes
PRIVMSG StringCode = "PRIVMSG"
NOTICE StringCode = "NOTICE"
NICK StringCode = "NICK"
JOIN StringCode = "JOIN"
PART StringCode = "PART"
MODE StringCode = "MODE"
TOPIC StringCode = "TOPIC"
PING StringCode = "PING"
PONG StringCode = "PONG"
QUIT StringCode = "QUIT"
AWAY StringCode = "AWAY"
CAP StringCode = "CAP"
ERROR StringCode = "ERROR"
INVITE StringCode = "INVITE"
ISON StringCode = "ISON"
JOIN StringCode = "JOIN"
KICK StringCode = "KICK"
MODE StringCode = "MODE"
MOTD StringCode = "MOTD"
NICK StringCode = "NICK"
NOTICE StringCode = "NOTICE"
OPER StringCode = "OPER"
PART StringCode = "PART"
PASS StringCode = "PASS"
PING StringCode = "PING"
PONG StringCode = "PONG"
PRIVMSG StringCode = "PRIVMSG"
PROXY StringCode = "PROXY"
QUIT StringCode = "QUIT"
TOPIC StringCode = "TOPIC"
USER StringCode = "USER"
WHO StringCode = "WHO"
WHOIS StringCode = "WHOIS"
// numeric codes
RPL_WELCOME NumericCode = 1

21
irc/reply.go
View File

@ -183,6 +183,11 @@ func RplInviteMsg(channel *Channel, inviter *Client) Reply {
return NewStringReply(inviter, INVITE, channel.name)
}
func RplKick(channel *Channel, client *Client, target *Client, comment string) Reply {
return NewStringReply(client, KICK, "%s %s :%s",
channel, target.Nick(), comment)
}
// numeric replies
func RplWelcome(source Identifier, client *Client) Reply {
@ -330,9 +335,9 @@ func ErrNickNameInUse(source Identifier, nick string) Reply {
"%s :Nickname is already in use", nick)
}
func ErrUnknownCommand(source Identifier, command string) Reply {
func ErrUnknownCommand(source Identifier, code StringCode) Reply {
return NewNumericReply(source, ERR_UNKNOWNCOMMAND,
"%s :Unknown command", command)
"%s :Unknown command", code)
}
func ErrUsersDontMatch(source Identifier) Reply {
@ -381,7 +386,7 @@ func ErrPasswdMismatch(server *Server) Reply {
func ErrNoChanModes(channel *Channel) Reply {
return NewNumericReply(channel.server, ERR_NOCHANMODES,
"%s :Channel doesn't support modes", channel.name)
"%s :Channel doesn't support modes", channel)
}
func ErrNoPrivileges(server *Server) Reply {
@ -396,20 +401,20 @@ func ErrNoSuchServer(server *Server, target string) Reply {
return NewNumericReply(server, ERR_NOSUCHSERVER, "%s :No such server", target)
}
func ErrUserNotInChannel(server *Server, nick string, channel *Channel) Reply {
return NewNumericReply(server, ERR_USERNOTINCHANNEL,
"%s %s :They aren't on that channel", nick, channel.name)
func ErrUserNotInChannel(channel *Channel, client *Client) Reply {
return NewNumericReply(channel.server, ERR_USERNOTINCHANNEL,
"%s %s :They aren't on that channel", client.Nick(), channel)
}
func ErrCannotSendToChan(channel *Channel) Reply {
return NewNumericReply(channel.server, ERR_CANNOTSENDTOCHAN,
"%s :Cannot send to channel", channel.name)
"%s :Cannot send to channel", channel)
}
// <channel> :You're not channel operator
func ErrChanOPrivIsNeeded(channel *Channel) Reply {
return NewNumericReply(channel.server, ERR_CHANOPRIVSNEEDED,
"%s :You're not channel operator", channel.name)
"%s :You're not channel operator", channel)
}
func ErrNoMOTD(server *Server) Reply {

21
irc/server.go
View File

@ -80,7 +80,7 @@ func (server *Server) ReceiveCommands() {
default:
serverCommand, ok := command.(ServerCommand)
if !ok {
client.Reply(ErrUnknownCommand(server, command.Name()))
client.Reply(ErrUnknownCommand(server, command.Code()))
continue
}
client.Touch()
@ -542,3 +542,22 @@ func (msg *NoticeCommand) HandleServer(server *Server) {
}
target.Reply(RplNotice(client, target, msg.message))
}
func (msg *KickCommand) HandleServer(server *Server) {
client := msg.Client()
for chname, nickname := range msg.kicks {
channel := server.channels[chname]
if channel == nil {
client.Reply(ErrNoSuchChannel(server, chname))
continue
}
target := server.clients[nickname]
if target == nil {
client.Reply(ErrNoSuchNick(server, nickname))
continue
}
channel.Kick(client, target, msg.Comment())
}
}

2
irc/types.go
View File

@ -171,7 +171,7 @@ type Reply interface {
}
type Command interface {
Name() string
Code() StringCode
Client() *Client
Source() Identifier
Reply(Reply)