/
main.go
112 lines (96 loc) · 2.33 KB
/
main.go
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package main
import (
"crypto/tls"
"fmt"
"io"
"net/http"
"net/url"
"strings"
"github.com/thoj/go-ircevent"
"golang.org/x/net/html"
)
// Define your settings here.
// TODO: Replace with config and cmd args using cobra
const server = "irc.freenode.net" // IRC Server
const port = 7000 // IRC Server Port
const channel = "#myircchannel" // IRC Channel
const nick = "webby-urlbot" // IRC Nick
const username = "webby-urlbot" // IRC Username
const realname = "Webby Urlbot" // IRC Real Name
// IRC Functions
func ircConnect(srv string, port int, ch string) {
irccon := irc.IRC(nick, "FOAAS")
irccon.VerboseCallbackHandler = true
irccon.Debug = true
irccon.UseTLS = true
irccon.TLSConfig = &tls.Config{InsecureSkipVerify: true}
irccon.AddCallback("001", func(e *irc.Event) { irccon.Join(channel) })
irccon.AddCallback("PRIVMSG", func(e *irc.Event) {
URL, urlstring := isURL(e.Message())
if URL {
title := getTitle(urlstring)
irccon.Privmsg(channel, title)
}
})
//irccon.AddCallback("336", func(e *irc.Event) {})
err := irccon.Connect(fmt.Sprintf("%s:%d", server, port))
if err != nil {
fmt.Printf("Err %s", err)
}
irccon.Loop()
}
// HTML Functions
func isTitleElement(n *html.Node) bool {
return n.Type == html.ElementNode && n.Data == "title"
}
func traverse(n *html.Node) (string, bool) {
if isTitleElement(n) {
return n.FirstChild.Data, true
}
for c := n.FirstChild; c != nil; c = c.NextSibling {
result, ok := traverse(c)
if ok {
return result, ok
}
}
return "", false
}
func GetHtmlTitle(r io.Reader) (string, bool) {
doc, docErr := html.Parse(r)
if docErr != nil {
panic("Failed to parse url")
}
return traverse(doc)
}
func getTitle(gettitle string) string {
resp, getErr := http.Get(gettitle)
var title string
if getErr != nil {
panic(getErr)
}
defer resp.Body.Close()
title, _ = GetHtmlTitle(resp.Body)
if title == "" {
title = "No title found"
}
return title
}
func isURL(checkurl string) (bool, string) {
var realURL bool = false
var realItem string = ""
urlslice := strings.Split(checkurl, " ")
for _, item := range urlslice {
u, err := url.Parse(item)
if err == nil {
if u.Scheme == "http" || u.Scheme == "https" {
realURL = true
realItem = item
break
}
}
}
return realURL, realItem
}
func main() {
ircConnect(server, port, channel)
}