func shorten_url(long_url string, channel chan<- string, username string, api_key string) {
bitly.SetUser(username)
bitly.SetKey(api_key)
max_url_length := 20
url := long_url
if len(url) > max_url_length {
short_url, error := bitly.Shorten(url)
if error == nil {
url = short_url
}
}
channel <- url
}
func main() {
bitly.SetUser("username")
bitly.SetKey("xxxxx")
long_url := "https://github.com/harperreed/gobitly"
short_url, error := bitly.Shorten(long_url)
fmt.Printf("Your long url is: %q\n", long_url)
if error == nil {
fmt.Printf("Your short url is: %q\n", short_url)
}
}
func main() {
// Parse flags from command line
flag.Parse()
log := logging.InitFromFlags()
// setup logging
log.SetLogLevel(2)
if _, err := os.Stat(*config_file); err != nil {
generate_config_file(*config_file)
log.Error("You must edit the " + *config_file + " file before continuing")
os.Exit(0)
}
//generate a config file if it isn't found
if *generate_config {
generate_config_file(*config_file)
log.Error("You must edit the " + *config_file + " file before continuing")
os.Exit(0)
}
// handle configuration
log.Info("Read configuration file: " + *config_file)
settings := yaml.New()
settings.Read(*config_file)
if *channel == "" {
*channel = settings.Get("connection/channel").(string)
log.Debug("Read channel from config file: " + *channel)
} else {
log.Debug("Read channel from flag: " + *channel)
}
if *nick == "" {
*nick = settings.Get("connection/nick").(string)
log.Debug("Read nick from config file: " + *nick)
} else {
log.Debug("Read nick from flag: " + *nick)
}
if *realname == "" {
*realname = settings.Get("connection/realname").(string)
log.Debug("Read realname from config file: " + *realname)
} else {
log.Debug("Read realname from flag: " + *realname)
}
if *irc_server == "" {
*irc_server = settings.Get("connection/irc_server").(string)
log.Debug("Read irc_server from config file: " + *irc_server)
} else {
log.Debug("Read irc_server from flag: " + *irc_server)
}
if *rejoin_on_kick == true {
*rejoin_on_kick = settings.Get("bot_config/rejoin_on_kick").(bool)
log.Debug("Read rejoin_on_kick from config file: %t ", *rejoin_on_kick)
} else {
log.Debug("Read rejoin_on_kick from flag: %t ", *rejoin_on_kick)
}
// bitly
shorturl_enabled := settings.Get("bitly/shorturls_enabled").(bool)
bitly_username := settings.Get("bitly/username").(string)
bitly_api_key := settings.Get("bitly/api_key").(string)
if shorturl_enabled {
bitly.SetUser(bitly_username)
bitly.SetKey(bitly_api_key)
}
owner_nick := to.String(settings.Get("bot_config/owner"))
friends := to.List(settings.Get("bot_config/friends"))
trusted_identities := make([]string, 0)
trusted_identities = append(trusted_identities, owner_nick)
for _, value := range friends {
trusted_identities = append(trusted_identities, value.(string))
}
// set up bot command event registry
bot_command_registry := event.NewRegistry()
reallyquit := false
// Bot command handlers
// addfriend
addfriend_state := make(chan string)
bot_command_registry.AddHandler(NewHandler(func(conn *irc.Conn, line *irc.Line, commands []string) {
if line.Src == owner_nick {
channel := line.Args[0]
if len(commands) > 1 {
target := commands[1]
log.Debug("adding friend: %q", target)
conn.Whois(target)
log.Debug("triggering channel: %q", target)
addfriend_state <- target
} else {
conn.Privmsg(channel, line.Nick+": use !addfriend <friend nick>")
}
}
}), "addfriend")
//save
bot_command_registry.AddHandler(NewHandler(func(conn *irc.Conn, line *irc.Line, commands []string) {
if line.Src == owner_nick {
channel := line.Args[0]
conn.Privmsg(channel, line.Nick+": saving settings")
settings.Set("bot_config/friends", friends)
settings.Write(*config_file)
log.Info("%q", to.List(settings.Get("bot_config/friends")))
}
}), "save")
//reload
bot_command_registry.AddHandler(NewHandler(func(conn *irc.Conn, line *irc.Line, commands []string) {
if line.Src == owner_nick {
channel := line.Args[0]
conn.Privmsg(channel, line.Nick+": reloading settings")
friends := to.List(settings.Get("bot_config/friends"))
trusted_identities = make([]string, 0)
trusted_identities = append(trusted_identities, owner_nick)
for _, value := range friends {
trusted_identities = append(trusted_identities, value.(string))
}
log.Info("%q", to.List(settings.Get("bot_config/friends")))
}
}), "reload")
// op
bot_command_registry.AddHandler(NewHandler(func(conn *irc.Conn, line *irc.Line, commands []string) {
if Trust(line.Src, trusted_identities) {
channel := line.Args[0]
if len(commands) > 1 {
target := commands[1]
log.Info("Oping user: "******"+o "+target)
} else {
log.Info("Oping user: "******"+o "+line.Nick)
}
}
}), "op")
//deop
bot_command_registry.AddHandler(NewHandler(func(conn *irc.Conn, line *irc.Line, commands []string) {
if Trust(line.Src, trusted_identities) {
channel := line.Args[0]
if len(commands) > 1 {
target := commands[1]
conn.Mode(channel, "-o "+target)
} else {
conn.Mode(channel, "-o "+line.Nick)
}
}
}), "deop")
// kick
bot_command_registry.AddHandler(NewHandler(func(conn *irc.Conn, line *irc.Line, commands []string) {
if Trust(line.Src, trusted_identities) {
channel := line.Args[0]
if len(commands) > 1 {
target := commands[1]
kick_message := "get out"
if len(commands) > 2 {
//this doesn't work. Need to fix.
kick_message = commands[2]
}
//do'nt kick if owner
if target != strings.Split(owner_nick, "!")[0] {
//don't kick if self
if *nick != target {
conn.Kick(channel, target, kick_message)
} else {
conn.Privmsg(channel, line.Nick+": why would i kick myself?")
}
} else {
conn.Privmsg(channel, line.Nick+": why would i kick my lovely friend "+target+"?")
}
} else {
conn.Privmsg(channel, line.Nick+": invalid command")
}
}
}), "kick")
//quit
bot_command_registry.AddHandler(NewHandler(func(conn *irc.Conn, line *irc.Line, commands []string) {
if line.Src == owner_nick {
quit_message := "i died"
reallyquit = true
if len(commands) > 1 {
quit_message = commands[1]
}
conn.Quit(quit_message)
}
}), "quit")
//urlshortener
bot_command_registry.AddHandler(NewHandler(func(conn *irc.Conn, line *irc.Line, commands []string) {
log.Info("URLS event")
channel := line.Args[0]
for _, long_url := range commands {
work_url := long_url
work_urlr := regexp.MustCompile(`^[\w-]+://([^/?]+)(/(?:[^/?]+/)*)?([^./?][^/?]+?)?(\.[^.?]*)?(\?.*)?$`)
url_parts := work_urlr.FindAllStringSubmatch(work_url, -1)
domain := url_parts[0][1]
ext := url_parts[0][4]
forbidden_extensions := "png|gif|jpg|mp3|avi|md|zip"
extension_regex := regexp.MustCompile(`(` + forbidden_extensions + `)`)
extension_test := extension_regex.FindAllStringSubmatch(ext, -1)
title := ""
url_util_channel := make(chan string)
if extension_test == nil {
go grab_title(work_url, url_util_channel)
title = <-url_util_channel
}
go shorten_url(work_url, url_util_channel, bitly_username, bitly_api_key)
short_url := <-url_util_channel
output := ""
if short_url != long_url {
output = output + "<" + short_url + "> (at " + domain + ") "
}
if title != "" {
output = output + " " + title
}
conn.Privmsg(channel, output)
}
}), "urlshortener")
// create new IRC connection
log.Info("create new IRC connection")
irc_client := irc.SimpleClient(*nick, *realname)
// IRC HANDLERS!
irc_client.EnableStateTracking()
irc_client.AddHandler("connected",
func(conn *irc.Conn, line *irc.Line) {
log.Info("connected as " + *nick)
conn.Join(*channel)
})
// Set up a handler to notify of disconnect events.
quit := make(chan bool)
irc_client.AddHandler("disconnected",
func(conn *irc.Conn, line *irc.Line) {
log.Info("disconnected")
quit <- true
})
//Handle Private messages
irc_client.AddHandler("PRIVMSG",
func(conn *irc.Conn, line *irc.Line) {
log.Info("privmsg")
irc_input := strings.ToLower(line.Args[1])
if strings.HasPrefix(irc_input, *command_char) {
irc_command := strings.Split(irc_input[1:], " ")
bot_command_registry.Dispatch(irc_command[0], conn, line, irc_command)
}
url_regex := regexp.MustCompile(`\b(([\w-]+://?|www[.])[^\s()<>]+(?:\([\w\d]+\)|([^[:punct:]\s]|/)))`)
urls := url_regex.FindAllString(irc_input, -1)
if len(urls) > 0 {
bot_command_registry.Dispatch("urlshortener", conn, line, urls)
}
})
//handle kick by rejoining kicked channel
irc_client.AddHandler("KICK",
func(conn *irc.Conn, line *irc.Line) {
log.Info("Kicked from " + line.Args[0])
if *rejoin_on_kick {
log.Info("rejoining " + line.Args[0])
conn.Join(line.Args[0])
}
})
//notify on 332 - topic reply on join to channel
irc_client.AddHandler("332",
func(conn *irc.Conn, line *irc.Line) {
log.Debug("Topic is %q, on %q ", line.Args[2], line.Args[1])
})
//notify on MODE
irc_client.AddHandler("MODE",
func(conn *irc.Conn, line *irc.Line) {
for _, v := range line.Args {
log.Info("mode: %q ", v)
}
})
//notify on WHOIS
irc_client.AddHandler("311",
func(conn *irc.Conn, line *irc.Line) {
addedfriend := <-addfriend_state
log.Info("addfriend channel: %q", addedfriend)
if addedfriend == line.Args[1] {
friend := line.Args[1] + "!" + line.Args[2] + "@" + line.Args[3]
log.Debug("added friend " + friend)
trusted_identities = append(trusted_identities, friend)
friends = append(friends, friend)
log.Debug("friends: %q", friends)
conn.Privmsg(strings.Split(owner_nick, "!")[0], line.Nick+": added "+line.Args[1]+" as friend")
//addfriend_state <- ""
} else {
log.Info("addfriend channel is empty: %q", addedfriend)
}
})
//notify on join
irc_client.AddHandler("JOIN",
func(conn *irc.Conn, line *irc.Line) {
log.Info("Joined " + line.Args[0])
})
//handle topic changes
irc_client.AddHandler("TOPIC",
func(conn *irc.Conn, line *irc.Line) {
log.Info("Topic on " + line.Args[0] + " changed to: " + line.Args[1])
})
// set up a goroutine to read commands from stdin
if *generate_config == false {
for !reallyquit {
// connect to server
if err := irc_client.Connect(*irc_server); err != nil {
fmt.Printf("Connection error: %s\n", err)
return
}
// wait on quit channel
<-quit
}
}
}