From 3ad37a481012b8445faa2e3a9a104a35ff9fc4ee Mon Sep 17 00:00:00 2001
From: Geno <geno+dev@fireorbit.de>
Date: Tue, 24 Nov 2020 23:29:53 +0100
Subject: [PATCH] a other socket (webrtc-sfu is just for ingress?)

---
 main.go | 79 +++++++++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 69 insertions(+), 10 deletions(-)

diff --git a/main.go b/main.go
index 2de8191..2a189a9 100644
--- a/main.go
+++ b/main.go
@@ -2,35 +2,41 @@ package main
 
 import (
 	"fmt"
-	"log"
 	"net/http"
 	"net/url"
 	"os"
+	"time"
+
+	"github.com/bdlm/log"
 
 	"github.com/PuerkitoBio/goquery"
+	// "github.com/gorilla/websocket"
+	"dev.sum7.eu/genofire/golang-lib/worker"
+	"golang.org/x/net/websocket"
 )
 
-func main() {
-	bbbName := "bbbBot"
-	bbbURL, _ := url.Parse(os.Args[1])
+type Message struct {
+	ID string `json:"id"`
+}
 
+func fetchRoomURL(bbbURL *url.URL, bbbName string) (string, *url.URL, error) {
 	res, err := http.Get(bbbURL.String())
 	if err != nil {
-		log.Fatal(err)
+		return "", nil, err
 	}
 	defer res.Body.Close()
 	if res.StatusCode != 200 {
-		log.Fatalf("status code error: %d %s", res.StatusCode, res.Status)
+		return "", nil, fmt.Errorf("status code error: %d %s", res.StatusCode, res.Status)
 	}
 
 	doc, err := goquery.NewDocumentFromReader(res.Body)
 	if err != nil {
-		log.Fatal(err)
+		return "", nil, err
 	}
 	form := doc.Find("form")
 	authToken, ok := form.Find("input[name='authenticity_token']").Attr("value")
 	if !ok {
-		log.Fatalln("'authenticity_token' not found")
+		return "", nil, fmt.Errorf("'authenticity_token' not found")
 	}
 	res.Body.Close()
 	// ----
@@ -40,10 +46,63 @@ func main() {
 	})
 	//defer res.Body.Close()
 	if res.StatusCode != 200 {
-		log.Fatalf("status code error: %d %s", res.StatusCode, res.Status)
+		return "", nil, fmt.Errorf("status code error: %d %s", res.StatusCode, res.Status)
 	}
-	log.Printf("%v", res.Request.Header.Get("Referer"))
+	token := res.Request.URL.Query().Get("sessionToken")
+	u, err := url.Parse(res.Request.Header.Get("Referer"))
+	return token, u, err
+}
 
+func main() {
+	log.SetLevel(log.DebugLevel)
+	bbbName := "bbbBot"
+	bbbURL, _ := url.Parse(os.Args[1])
+
+	token, u, err := fetchRoomURL(bbbURL, bbbName)
+	if err != nil {
+		log.Fatal(err)
+	}
+	log.WithField("url", u).Debug("join url")
+
+	ws, err := websocket.Dial(fmt.Sprintf("wss://%s/sockjs/...", u.Host), "", u.String())
+	//ws, err := websocket.Dial(fmt.Sprintf("wss://%s/bbb-webrtc-sfu?sessionToken=%s", u.Host, token), "", u.String())
+	if err != nil {
+		log.Fatal(err)
+	}
+	log.Info("websocket established")
+
+	wPing := worker.NewWorker(time.Duration(15)*time.Second, func() {
+		if err := websocket.JSON.Send(ws, Message{ID: "ping"}); err != nil {
+			log.Fatal(err)
+		}
+		log.WithField("id", "ping").Debug("sended")
+	})
+	wPing.Start()
+
+	if err := websocket.JSON.Send(ws, map[string]interface{}{
+		"id":                "start",
+		"type":              "send",
+		"role":              "",
+		"internalMeetingId": u.Query().Get("meetingID"),
+		"voiceBridge":       "",
+		"callerName":        u.Query().Get("userID"),
+		"sdpOffer":          "",
+		"vh":                "",
+		"vw":                "",
+		"userName":          bbbName,
+	}); err != nil {
+		log.Fatal(err)
+	}
+	log.WithField("id", "start").Debug("sended")
+
+	for {
+
+		var msgJSON interface{}
+		if err = websocket.JSON.Receive(ws, &msgJSON); err != nil {
+			log.Fatal(err)
+		}
+		log.WithField("msg", msgJSON).Debug("received")
+	}
 	/* not needed ... websocket
 	doc, err = goquery.NewDocumentFromReader(res.Body)
 	if err != nil {