fix(gui,android,api): fix Wayland icon, add Android launcher mipmaps and add CORS middleware

android/app/src/main/AndroidManifest.xml

@@ -13,6 +13,8 @@
     <application
         android:allowBackup="false"
         android:label="BenzCloud Server"
+        android:icon="@mipmap/ic_launcher"
+        android:roundIcon="@mipmap/ic_launcher_round"
         android:theme="@style/AppTheme"
         android:networkSecurityConfig="@xml/network_security_config">
 

gui_linux.go

@@ -4,21 +4,75 @@ package main
 
 /*
 #cgo pkg-config: gtk+-3.0 webkit2gtk-4.1
+#include <stdlib.h>
 #include <gtk/gtk.h>
 #include <webkit2/webkit2.h>
 
-static void activate_gtk_app(const char* title, const char* url, int width, int height) {
-    gtk_init(NULL, NULL);
+static int check_display() {
+    int argc = 0;
+    char **argv = NULL;
+    return gtk_init_check(&argc, &argv) ? 1 : 0;
+}
+
+static void on_window_destroy(GtkWidget *widget, gpointer data) {
+    gtk_main_quit();
+}
+
+static gboolean on_context_menu(WebKitWebView *web_view, WebKitContextMenu *context_menu, GdkEvent *event, WebKitHitTestResult *hit_test_result, gpointer user_data) {
+    return TRUE;
+}
+
+static void set_window_icon_from_memory(GtkWindow *window, const void *buf, gsize len) {
+    if (!buf || len == 0) return;
+    GError *err = NULL;
+    GdkPixbufLoader *loader = gdk_pixbuf_loader_new();
+    if (loader) {
+        if (gdk_pixbuf_loader_write(loader, (const guint8 *)buf, len, &err)) {
+            gdk_pixbuf_loader_close(loader, &err);
+            GdkPixbuf *pixbuf = gdk_pixbuf_loader_get_pixbuf(loader);
+            if (pixbuf) {
+                gtk_window_set_icon(window, pixbuf);
+                gtk_window_set_default_icon(pixbuf);
+            }
+        }
+        g_object_unref(loader);
+    }
+    gtk_window_set_default_icon_name("benzcloud-server");
+    gtk_window_set_icon_name(window, "benzcloud-server");
+}
+
+static void activate_gtk_app(const char* title, const char* url, int width, int height, const void *icon_buf, int icon_len) {
+    int argc = 0;
+    char **argv = NULL;
+    if (!gtk_init_check(&argc, &argv)) {
+        return;
+    }
+
+    g_set_prgname("benzcloud-server");
+    g_set_application_name("BenzCloud Server");
 
     GtkWidget *window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
     gtk_window_set_title(GTK_WINDOW(window), title);
     gtk_window_set_default_size(GTK_WINDOW(window), width, height);
     gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 
-    GtkWidget *web_view = webkit_web_view_new();
-    gtk_container_add(GTK_CONTAINER(window), web_view);
+    if (icon_buf && icon_len > 0) {
+        set_window_icon_from_memory(GTK_WINDOW(window), icon_buf, (gsize)icon_len);
+    }
 
-    g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
+    GdkRGBA bg_color;
+    gdk_rgba_parse(&bg_color, "#0b0f19");
+
+    WebKitSettings *settings = webkit_settings_new();
+    webkit_settings_set_enable_developer_extras(settings, FALSE);
+    webkit_settings_set_hardware_acceleration_policy(settings, WEBKIT_HARDWARE_ACCELERATION_POLICY_ALWAYS);
+
+    GtkWidget *web_view = webkit_web_view_new_with_settings(settings);
+    webkit_web_view_set_background_color(WEBKIT_WEB_VIEW(web_view), &bg_color);
+    g_signal_connect(web_view, "context-menu", G_CALLBACK(on_context_menu), NULL);
+
+    gtk_container_add(GTK_CONTAINER(window), web_view);
+    g_signal_connect(window, "destroy", G_CALLBACK(on_window_destroy), NULL);
 
     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(web_view), url);
     gtk_widget_show_all(window);
@@ -27,14 +81,85 @@ static void activate_gtk_app(const char* title, const char* url, int width, int
 }
 */
 import "C"
-import "unsafe"
+import (
+	"fmt"
+	"log"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"unsafe"
+)
+
+func init() {
+	_ = os.Setenv("WEBKIT_DISABLE_DMABUF_RENDERER", "1")
+	_ = os.Setenv("WEBKIT_FORCE_COMPOSITING_MODE", "1")
+}
+
+// installDesktopIntegration automatically installs icons and desktop file into user's XDG directories
+func installDesktopIntegration() {
+	home, err := os.UserHomeDir()
+	if err != nil {
+		return
+	}
+	iconDir := filepath.Join(home, ".local", "share", "icons", "hicolor", "512x512", "apps")
+	pixmapDir := filepath.Join(home, ".local", "share", "pixmaps")
+	appDir := filepath.Join(home, ".local", "share", "applications")
+	_ = os.MkdirAll(iconDir, 0755)
+	_ = os.MkdirAll(pixmapDir, 0755)
+	_ = os.MkdirAll(appDir, 0755)
+
+	iconPng, _ := webFS.ReadFile("web/icon.png")
+	if len(iconPng) > 0 {
+		_ = os.WriteFile(filepath.Join(iconDir, "benzcloud-server.png"), iconPng, 0644)
+		_ = os.WriteFile(filepath.Join(pixmapDir, "benzcloud-server.png"), iconPng, 0644)
+	}
+	iconSvg, _ := webFS.ReadFile("web/icon.svg")
+	if len(iconSvg) > 0 {
+		svgDir := filepath.Join(home, ".local", "share", "icons", "hicolor", "scalable", "apps")
+		_ = os.MkdirAll(svgDir, 0755)
+		_ = os.WriteFile(filepath.Join(svgDir, "benzcloud-server.svg"), iconSvg, 0644)
+	}
+
+	desktopPath := filepath.Join(appDir, "benzcloud-server.desktop")
+	execPath, _ := os.Executable()
+	if execPath == "" {
+		execPath = "benzcloud-server"
+	}
+	content := fmt.Sprintf(`[Desktop Entry]
+Name=BenzCloud Server
+Comment=Decentralized Mesh Cloud & Self-Hosting Core
+Exec=%s
+Icon=benzcloud-server
+Terminal=false
+Type=Application
+Categories=Network;Server;Utility;
+StartupWMClass=benzcloud-server
+X-Wayland-AppID=benzcloud-server
+`, execPath)
+	_ = os.WriteFile(desktopPath, []byte(content), 0644)
+}
 
 // LaunchGUI launches native WebKitGTK desktop shell on Linux.
 func LaunchGUI(title, url string, width, height int) {
+	installDesktopIntegration()
+
+	hasDisplay := os.Getenv("DISPLAY") != "" || os.Getenv("WAYLAND_DISPLAY") != ""
+	if !hasDisplay || C.check_display() == 0 {
+		log.Println("[GUI] Kein Display gefunden, öffne Standard-Browser...")
+		_ = exec.Command("xdg-open", url).Start()
+		return
+	}
+
 	cTitle := C.CString(title)
 	cURL := C.CString(url)
 	defer C.free(unsafe.Pointer(cTitle))
 	defer C.free(unsafe.Pointer(cURL))
 
-	C.activate_gtk_app(cTitle, cURL, C.int(width), C.int(height))
+	iconBytes, _ := webFS.ReadFile("web/icon.png")
+	var iconPtr unsafe.Pointer
+	if len(iconBytes) > 0 {
+		iconPtr = unsafe.Pointer(&iconBytes[0])
+	}
+
+	C.activate_gtk_app(cTitle, cURL, C.int(width), C.int(height), iconPtr, C.int(len(iconBytes)))
 }

internal/core/api/api.go

@@ -50,7 +50,16 @@ func NewServer(
 }
 
 func (s *Server) Handler() http.Handler {
-	return s.mux
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Access-Control-Allow-Origin", "*")
+		w.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
+		w.Header().Set("Access-Control-Allow-Headers", "Content-Type, Authorization, X-Requested-With")
+		if r.Method == http.MethodOptions {
+			w.WriteHeader(http.StatusOK)
+			return
+		}
+		s.mux.ServeHTTP(w, r)
+	})
 }
 
 func (s *Server) registerRoutes() {

web/icon.svg

@@ -0,0 +1,86 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" width="512" height="512">
+  <defs>
+    <linearGradient id="bgGrad" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" stop-color="#080e1a"/>
+      <stop offset="100%" stop-color="#121b2c"/>
+    </linearGradient>
+    <linearGradient id="cyanGrad" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" stop-color="#38bdf8"/>
+      <stop offset="100%" stop-color="#0284c7"/>
+    </linearGradient>
+    <linearGradient id="rackGrad" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" stop-color="#1e293b"/>
+      <stop offset="100%" stop-color="#0f172a"/>
+    </linearGradient>
+    <filter id="glow" x="-20%" y="-20%" width="140%" height="140%">
+      <feGaussianBlur stdDeviation="10" result="blur"/>
+      <feComposite in="SourceGraphic" in2="blur" operator="over"/>
+    </filter>
+    <filter id="softGlow" x="-20%" y="-20%" width="140%" height="140%">
+      <feGaussianBlur stdDeviation="6" result="blur"/>
+      <feComposite in="SourceGraphic" in2="blur" operator="over"/>
+    </filter>
+  </defs>
+
+  <!-- Background rounded squircle -->
+  <rect x="24" y="24" width="464" height="464" rx="108" fill="url(#bgGrad)" stroke="#1e293b" stroke-width="8"/>
+
+  <!-- Mesh VPN constellation lines & nodes -->
+  <g opacity="0.35" stroke="#38bdf8" stroke-width="2" stroke-dasharray="6,6">
+    <line x1="80" y1="120" x2="150" y2="150"/>
+    <line x1="432" y1="120" x2="362" y2="150"/>
+    <line x1="70" y1="360" x2="110" y2="310"/>
+    <line x1="442" y1="360" x2="402" y2="310"/>
+    <line x1="80" y1="120" x2="70" y2="360"/>
+    <line x1="432" y1="120" x2="442" y2="360"/>
+  </g>
+  <circle cx="80" cy="120" r="7" fill="#0284c7" stroke="#38bdf8" stroke-width="3"/>
+  <circle cx="432" cy="120" r="7" fill="#0284c7" stroke="#38bdf8" stroke-width="3"/>
+  <circle cx="70" cy="360" r="7" fill="#0284c7" stroke="#38bdf8" stroke-width="3"/>
+  <circle cx="442" cy="360" r="7" fill="#0284c7" stroke="#38bdf8" stroke-width="3"/>
+
+  <!-- Cloud Arch (Glowing Top) -->
+  <path d="M 160 190 C 135 190 115 168 120 142 C 126 112 154 96 182 104 C 198 74 236 60 270 74 C 304 54 350 68 362 104 C 392 104 416 128 410 158 C 404 186 382 190 355 190 Z"
+        fill="#0f1f38" stroke="url(#cyanGrad)" stroke-width="12" stroke-linejoin="round" filter="url(#glow)"/>
+
+  <!-- Server Rack Stack (3 Units) -->
+  <!-- Rack 1 -->
+  <rect x="106" y="212" width="300" height="48" rx="10" fill="url(#rackGrad)" stroke="#38bdf8" stroke-width="4"/>
+  <rect x="122" y="224" width="36" height="24" rx="4" fill="#09101d" stroke="#334155" stroke-width="2"/>
+  <rect x="166" y="224" width="36" height="24" rx="4" fill="#09101d" stroke="#334155" stroke-width="2"/>
+  <rect x="210" y="224" width="36" height="24" rx="4" fill="#09101d" stroke="#334155" stroke-width="2"/>
+  <rect x="254" y="224" width="36" height="24" rx="4" fill="#09101d" stroke="#334155" stroke-width="2"/>
+  <circle cx="340" cy="236" r="6" fill="#22c55e" filter="url(#softGlow)"/>
+  <circle cx="362" cy="236" r="6" fill="#38bdf8" filter="url(#softGlow)"/>
+  <circle cx="384" cy="236" r="6" fill="#38bdf8"/>
+
+  <!-- Rack 2 -->
+  <rect x="106" y="272" width="300" height="48" rx="10" fill="url(#rackGrad)" stroke="#0284c7" stroke-width="4"/>
+  <rect x="122" y="284" width="36" height="24" rx="4" fill="#09101d" stroke="#334155" stroke-width="2"/>
+  <rect x="166" y="284" width="36" height="24" rx="4" fill="#09101d" stroke="#334155" stroke-width="2"/>
+  <rect x="210" y="284" width="36" height="24" rx="4" fill="#09101d" stroke="#334155" stroke-width="2"/>
+  <rect x="254" y="284" width="36" height="24" rx="4" fill="#09101d" stroke="#334155" stroke-width="2"/>
+  <circle cx="340" cy="296" r="6" fill="#22c55e" filter="url(#softGlow)"/>
+  <circle cx="362" cy="296" r="6" fill="#f59e0b" filter="url(#softGlow)"/>
+  <circle cx="384" cy="296" r="6" fill="#38bdf8"/>
+
+  <!-- Rack 3 -->
+  <rect x="106" y="332" width="300" height="48" rx="10" fill="url(#rackGrad)" stroke="#0369a1" stroke-width="4"/>
+  <rect x="122" y="344" width="36" height="24" rx="4" fill="#09101d" stroke="#334155" stroke-width="2"/>
+  <rect x="166" y="344" width="36" height="24" rx="4" fill="#09101d" stroke="#334155" stroke-width="2"/>
+  <rect x="210" y="344" width="36" height="24" rx="4" fill="#09101d" stroke="#334155" stroke-width="2"/>
+  <rect x="254" y="344" width="36" height="24" rx="4" fill="#09101d" stroke="#334155" stroke-width="2"/>
+  <circle cx="340" cy="356" r="6" fill="#22c55e" filter="url(#softGlow)"/>
+  <circle cx="362" cy="356" r="6" fill="#22c55e" filter="url(#softGlow)"/>
+  <circle cx="384" cy="356" r="6" fill="#38bdf8"/>
+
+  <!-- Cryptographic AES Vault Shield at Bottom Center -->
+  <g filter="url(#glow)">
+    <path d="M 256 320 L 296 345 L 296 395 C 296 422 278 444 256 454 C 234 444 216 422 216 395 L 216 345 Z"
+          fill="#0c192c" stroke="url(#cyanGrad)" stroke-width="8" stroke-linejoin="round"/>
+    <path d="M 246 384 L 246 372 C 246 366 250 362 256 362 C 262 362 266 366 266 372 L 266 384"
+          fill="none" stroke="#f0f6fc" stroke-width="5" stroke-linecap="round"/>
+    <rect x="240" y="384" width="32" height="24" rx="4" fill="#38bdf8"/>
+    <circle cx="256" cy="396" r="3.5" fill="#0c192c"/>
+  </g>
+</svg>