Initial commit: EduBox V2 platform

2026-06-06 19:55:41 +00:00
commit 0a73a70820
69 changed files with 5634 additions and 0 deletions
@@ -0,0 +1,104 @@
+package main
+
+import (
+	_ "embed"
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+	"path/filepath"
+
+	"github.com/gorilla/websocket"
+)
+
+//go:embed ui/index.html
+var uiHTML string
+
+var upgrader = websocket.Upgrader{CheckOrigin: func(r *http.Request) bool { return true }}
+
+func startUI(dataDir, nodeID, serverAddr string) {
+	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "text/html")
+		fmt.Fprint(w, uiHTML)
+	})
+
+	http.HandleFunc("/ws", func(w http.ResponseWriter, r *http.Request) {
+		conn, err := upgrader.Upgrade(w, r, nil)
+		if err != nil {
+			log.Printf("UI WS upgrade error: %v", err)
+			return
+		}
+		defer conn.Close()
+
+		for {
+			var msg map[string]interface{}
+			if err := conn.ReadJSON(&msg); err != nil {
+				break
+			}
+			action, _ := msg["action"].(string)
+			switch action {
+			case "check":
+				act, err := loadActivation(dataDir)
+				if err == nil && act.Activated {
+					conn.WriteJSON(map[string]interface{}{"action": "activated", "studentName": act.StudentName})
+				} else {
+					conn.WriteJSON(map[string]interface{}{"action": "not_activated"})
+				}
+			case "activate":
+				code, _ := msg["code"].(string)
+				// Forward to server WS
+				go func() {
+					forwardActivation(serverAddr, nodeID, code, conn)
+				}()
+			case "instances":
+				listInstances(dataDir, conn)
+			}
+		}
+	})
+
+	port := "7070"
+	log.Printf("UI starting on http://localhost:%s", port)
+	if err := http.ListenAndServe("127.0.0.1:"+port, nil); err != nil {
+		log.Fatalf("UI server error: %v", err)
+	}
+}
+
+func forwardActivation(serverAddr, nodeID, code string, uiConn *websocket.Conn) {
+	conn, _, err := websocket.DefaultDialer.Dial(serverAddr, nil)
+	if err != nil {
+		uiConn.WriteJSON(map[string]interface{}{"action": "activation_failed", "error": err.Error()})
+		return
+	}
+	defer conn.Close()
+
+	conn.WriteJSON(map[string]interface{}{"action": "register", "nodeId": nodeID})
+	conn.WriteJSON(map[string]interface{}{"action": "activate", "code": code, "nodeId": nodeID})
+
+	for {
+		var msg map[string]interface{}
+		if err := conn.ReadJSON(&msg); err != nil {
+			break
+		}
+		action, _ := msg["action"].(string)
+		if action == "activated" || action == "activation_failed" {
+			uiConn.WriteJSON(msg)
+			break
+		}
+	}
+}
+
+func listInstances(dataDir string, conn *websocket.Conn) {
+	dir := filepath.Join(dataDir, "instances")
+	entries, err := os.ReadDir(dir)
+	if err != nil {
+		conn.WriteJSON(map[string]interface{}{"action": "instances_list", "instances": []interface{}{}})
+		return
+	}
+	var instances []map[string]interface{}
+	for _, e := range entries {
+		if e.IsDir() {
+			instances = append(instances, map[string]interface{}{"id": e.Name()})
+		}
+	}
+	conn.WriteJSON(map[string]interface{}{"action": "instances_list", "instances": instances})
+}