Merge 7b023a3e8e into 69168ff062

Add ICE servers and local IP address returned by the API to fix connectivity issues behind NAT

cloud.go

@@ -7,13 +7,14 @@ import (
 	"fmt"
 	"net/http"
 	"net/url"
-	"github.com/coder/websocket/wsjson"
 	"time"
 
+	"github.com/coder/websocket/wsjson"
+
 	"github.com/coreos/go-oidc/v3/oidc"
 
-	"github.com/gin-gonic/gin"
 	"github.com/coder/websocket"
+	"github.com/gin-gonic/gin"
 )
 
 type CloudRegisterRequest struct {
@@ -192,7 +193,11 @@ func handleSessionRequest(ctx context.Context, c *websocket.Conn, req WebRTCSess
 		return fmt.Errorf("google identity mismatch")
 	}
 
-	session, err := newSession()
+	session, err := newSession(SessionConfig{
+		ICEServers: req.ICEServers,
+		LocalIP:    req.IP,
+		IsCloud:    true,
+	})
 	if err != nil {
 		_ = wsjson.Write(context.Background(), c, gin.H{"error": err})
 		return err

ui/package.json

@@ -10,6 +10,7 @@
     "dev": "vite dev --mode=development",
     "build": "npm run build:prod",
     "build:device": "tsc && vite build --mode=device --emptyOutDir",
+    "dev:device": "vite dev --mode=device",
     "build:prod": "tsc && vite build --mode=production",
     "lint": "eslint . --ext ts,tsx --report-unused-disable-directives --max-warnings 0"
   },

ui/src/components/ActionBar.tsx

@@ -4,6 +4,7 @@ import {
   useMountMediaStore,
   useUiStore,
   useSettingsStore,
+  useVideoStore,
 } from "@/hooks/stores";
 import { MdOutlineContentPasteGo } from "react-icons/md";
 import Container from "@components/Container";
@@ -33,6 +34,7 @@ export default function Actionbar({
     state => state.remoteVirtualMediaState,
   );
   const developerMode = useSettingsStore(state => state.developerMode);
+  const hdmiState = useVideoStore(state => state.hdmiState);
 
   // This is the only way to get a reliable state change for the popover
   // at time of writing this there is no mount, or unmount event for the popover
@@ -247,6 +249,7 @@ export default function Actionbar({
               size="XS"
               theme="light"
               text="Fullscreen"
+              disabled={hdmiState !== 'ready'}
               LeadingIcon={LuMaximize}
               onClick={() => requestFullscreen()}
             />

ui/src/components/WebRTCVideo.tsx

@@ -30,6 +30,8 @@ export default function WebRTCVideo() {
   const {
     setClientSize: setVideoClientSize,
     setSize: setVideoSize,
+    width: videoWidth,
+    height: videoHeight,
     clientWidth: videoClientWidth,
     clientHeight: videoClientHeight,
   } = useVideoStore();
@@ -102,20 +104,43 @@ export default function WebRTCVideo() {
   const mouseMoveHandler = useCallback(
     (e: MouseEvent) => {
       if (!videoClientWidth || !videoClientHeight) return;
-      const { buttons } = e;
+      // Get the aspect ratios of the video element and the video stream
+      const videoElementAspectRatio = videoClientWidth / videoClientHeight;
+      const videoStreamAspectRatio = videoWidth / videoHeight;
 
-      // Clamp mouse position within the video boundaries
-      const currMouseX = Math.min(Math.max(1, e.offsetX), videoClientWidth);
-      const currMouseY = Math.min(Math.max(1, e.offsetY), videoClientHeight);
+      // Calculate the effective video display area
+      let effectiveWidth = videoClientWidth;
+      let effectiveHeight = videoClientHeight;
+      let offsetX = 0;
+      let offsetY = 0;
 
-      // Normalize mouse position to 0-32767 range (HID absolute coordinate system)
-      const x = Math.round((currMouseX / videoClientWidth) * 32767);
-      const y = Math.round((currMouseY / videoClientHeight) * 32767);
+      if (videoElementAspectRatio > videoStreamAspectRatio) {
+        // Pillarboxing: black bars on the left and right
+        effectiveWidth = videoClientHeight * videoStreamAspectRatio;
+        offsetX = (videoClientWidth - effectiveWidth) / 2;
+      } else if (videoElementAspectRatio < videoStreamAspectRatio) {
+        // Letterboxing: black bars on the top and bottom
+        effectiveHeight = videoClientWidth / videoStreamAspectRatio;
+        offsetY = (videoClientHeight - effectiveHeight) / 2;
+      }
+
+      // Clamp mouse position within the effective video boundaries
+      const clampedX = Math.min(Math.max(offsetX, e.offsetX), offsetX + effectiveWidth);
+      const clampedY = Math.min(Math.max(offsetY, e.offsetY), offsetY + effectiveHeight);
+
+      // Map clamped mouse position to the video stream's coordinate system
+      const relativeX = (clampedX - offsetX) / effectiveWidth;
+      const relativeY = (clampedY - offsetY) / effectiveHeight;
+
+      // Convert to HID absolute coordinate system (0-32767 range)
+      const x = Math.round(relativeX * 32767);
+      const y = Math.round(relativeY * 32767);
 
       // Send mouse movement
+      const { buttons } = e;
       sendMouseMovement(x, y, buttons);
     },
-    [sendMouseMovement, videoClientHeight, videoClientWidth],
+    [sendMouseMovement, videoClientHeight, videoClientWidth, videoWidth, videoHeight],
   );
 
   const mouseWheelHandler = useCallback(

ui/vite.config.ts

@@ -2,13 +2,31 @@ import { defineConfig } from "vite";
 import react from "@vitejs/plugin-react-swc";
 import tsconfigPaths from "vite-tsconfig-paths";
 
-export default defineConfig(({ mode }) => {
+declare const process: {
+  env: {
+    JETKVM_PROXY_URL: string;
+  };
+};
+
+export default defineConfig(({ mode, command }) => {
   const isCloud = mode === "production";
   const onDevice = mode === "device";
+  const { JETKVM_PROXY_URL } = process.env;
+
   return {
     plugins: [tsconfigPaths(), react()],
     build: { outDir: isCloud ? "dist" : "../static" },
-    server: { host: "0.0.0.0" },
-    base: onDevice ? "/static" : "/",
+    server: {
+      host: "0.0.0.0",
+      proxy: JETKVM_PROXY_URL ? {
+        '/me': JETKVM_PROXY_URL,
+        '/device': JETKVM_PROXY_URL,
+        '/webrtc': JETKVM_PROXY_URL,
+        '/auth': JETKVM_PROXY_URL,
+        '/storage': JETKVM_PROXY_URL,
+        '/cloud': JETKVM_PROXY_URL,
+      } : undefined
+    },
+    base: onDevice && command === 'build' ? "/static" : "/",
   };
 });

web.go

@@ -17,8 +17,10 @@ import (
 var staticFiles embed.FS
 
 type WebRTCSessionRequest struct {
-	Sd         string `json:"sd"`
-	OidcGoogle string `json:"OidcGoogle,omitempty"`
+	Sd         string   `json:"sd"`
+	OidcGoogle string   `json:"OidcGoogle,omitempty"`
+	IP         string   `json:"ip,omitempty"`
+	ICEServers []string `json:"iceServers,omitempty"`
 }
 
 type SetPasswordRequest struct {
@@ -116,7 +118,7 @@ func handleWebRTCSession(c *gin.Context) {
 		return
 	}
 
-	session, err := newSession()
+	session, err := newSession(SessionConfig{})
 	if err != nil {
 		c.JSON(http.StatusInternalServerError, gin.H{"error": err})
 		return

webrtc.go

@@ -4,6 +4,7 @@ import (
 	"encoding/base64"
 	"encoding/json"
 	"fmt"
+	"net"
 	"strings"
 
 	"github.com/pion/webrtc/v4"
@@ -19,6 +20,12 @@ type Session struct {
 	shouldUmountVirtualMedia bool
 }
 
+type SessionConfig struct {
+	ICEServers []string
+	LocalIP    string
+	IsCloud    bool
+}
+
 func (s *Session) ExchangeOffer(offerStr string) (string, error) {
 	b, err := base64.StdEncoding.DecodeString(offerStr)
 	if err != nil {
@@ -61,9 +68,29 @@ func (s *Session) ExchangeOffer(offerStr string) (string, error) {
 	return base64.StdEncoding.EncodeToString(localDescription), nil
 }
 
-func newSession() (*Session, error) {
-	peerConnection, err := webrtc.NewPeerConnection(webrtc.Configuration{
-		ICEServers: []webrtc.ICEServer{{}},
+func newSession(config SessionConfig) (*Session, error) {
+	webrtcSettingEngine := webrtc.SettingEngine{}
+	iceServer := webrtc.ICEServer{}
+
+	if config.IsCloud {
+		if config.ICEServers == nil {
+			fmt.Printf("ICE Servers not provided by cloud")
+		} else {
+			iceServer.URLs = config.ICEServers
+			fmt.Printf("Using ICE Servers provided by cloud: %v\n", iceServer.URLs)
+		}
+
+		if config.LocalIP == "" || net.ParseIP(config.LocalIP) == nil {
+			fmt.Printf("Local IP address %v not provided or invalid, won't set NAT1To1IPs\n", config.LocalIP)
+		} else {
+			webrtcSettingEngine.SetNAT1To1IPs([]string{config.LocalIP}, webrtc.ICECandidateTypeSrflx)
+			fmt.Printf("Setting NAT1To1IPs to %s\n", config.LocalIP)
+		}
+	}
+
+	api := webrtc.NewAPI(webrtc.WithSettingEngine(webrtcSettingEngine))
+	peerConnection, err := api.NewPeerConnection(webrtc.Configuration{
+		ICEServers: []webrtc.ICEServer{iceServer},
 	})
 	if err != nil {
 		return nil, err