initial upload

2024-09-14 14:41:59 +03:00
commit 9f04abf49c
118 changed files with 1080 additions and 0 deletions
@@ -0,0 +1,132 @@
+/*
+  StreamGoose main server/UI launcher — Go reference implementation
+ 
+  Created by Luxferre in 2024, released into public domain
+*/
+package main
+
+import (
+  "os"
+  "fmt"
+  "log"
+  "strings"
+  "encoding/json"
+  "net/http"
+  "io/ioutil"
+  /* external */
+  "centrifuge.hectabit.org/HectaBit/webview_go" /* for UI launch */
+)
+
+/* main chat message structure */
+type ChatMessage struct {
+  Id uint64        `json:"id"`        /* message id (auto-filled) */
+  Type string      `json:"type"`      /* message type string */
+  Timestamp string `json:"timestamp"` /* timestamp string (formatted) */
+  Username string  `json:"username"`  /* username */
+  Text string      `json:"text"`      /* message text */
+  Icon string      `json:"icon"`      /* optional message icon URI */
+}
+
+var global_msg_id uint64 = 0 /* track global message ID */
+var message_transport chan ChatMessage  /* global message channel */
+var bro webview.WebView /* global browser instance handle */
+
+/* escape HTML entities in JS parameters */
+func esc(s string) string {
+  s = strings.ReplaceAll(s, "&", "&amp;")
+  s = strings.ReplaceAll(s, "'", "&apos;")
+  s = strings.ReplaceAll(s, "\"", "&quot;")
+  s = strings.ReplaceAll(s, "<", "&lt;")
+  s = strings.ReplaceAll(s, ">", "&gt;")
+  return s
+}
+
+/* chat message appender thread */
+func appendChatMessages() {
+  var msg ChatMessage
+  for {
+    msg = <-message_transport /* receive it from the channel */
+    /* populate the running id */
+    global_msg_id += 1
+    msg.Id = global_msg_id
+
+    /* directly call the append function on the JS side */
+    fmt_str := "gooseAppendMessage('%d', '%s', '%s', '%s', '%s', '%s')"
+    bro.Eval(fmt.Sprintf(fmt_str, msg.Id, esc(msg.Type), esc(msg.Timestamp), esc(msg.Username), esc(msg.Text), esc(msg.Icon)))
+
+  }
+}
+
+/* POST /new handler (for external backends) */
+func msgAddHandler(w http.ResponseWriter, r *http.Request) {
+  decoder := json.NewDecoder(r.Body)
+  var msg ChatMessage         /* create a new message */
+  err := decoder.Decode(&msg) /* fill in the message structure */
+  if err != nil {
+    log.Println("Error decoding POST request:", err)
+    return
+  }
+  /* post it to the transport channel */
+  message_transport <- msg
+  w.Write([]byte("{\"status\": 1}")) /* respond with a status */
+}
+
+/* entry point */
+func main() {
+  config_path := "config.json"
+  if len(os.Args) > 1 {
+    config_path = os.Args[1]
+  }
+  content, err := ioutil.ReadFile(config_path)
+  if err != nil {
+    log.Fatal("Error when opening config file: ", err)
+  }
+  var config map[string]interface{}
+  err = json.Unmarshal(content, &config)
+  if err != nil {
+    log.Fatal("Error during Unmarshal(): ", err)
+  }
+
+  /* create the message transport channel */
+  message_transport = make(chan ChatMessage)
+
+  /* target server listening address */
+  target_addr := fmt.Sprintf("%s:%d", config["server_listen_ip"].(string), int(config["server_port"].(float64)))
+
+  go appendChatMessages() /* start the appender thread */
+
+  go func() { /* start the server thread */
+    /* serve the POST /new */
+    http.HandleFunc("/new", msgAddHandler)
+    /* serve the webroot directory */
+    fs := http.FileServer(http.Dir("./webroot"))
+    http.Handle("/", fs)
+    log.Println(fmt.Sprintf("Listening on %s\n", target_addr))
+    err = http.ListenAndServe(target_addr, nil)
+    if err != nil {
+      log.Fatal(err)
+    }
+  }()
+
+  
+  if _, ok := config["tw_backend_enabled"]; ok && config["tw_backend_enabled"].(bool) == true {
+    go twitch_run(config)  /* start the Twitch backend */
+  }
+
+  if _, ok := config["yt_backend_enabled"]; ok && config["yt_backend_enabled"].(bool) == true {
+    go youtube_run(config) /* start the YouTube backend */
+  }
+
+  /* start the GUI */
+  debug := false
+  if _, ok := config["debug"]; ok && config["debug"].(bool) == true {
+    debug = true
+  }
+  bro = webview.New(debug) /* create a browser instance */
+  bro.SetSize(320, 720, webview.HintNone)
+  defer bro.Destroy()
+  bro.SetTitle("StreamGoose v0.0.1")
+  bro.Navigate("http://" + target_addr)
+  bro.Run()
+
+}