feat: improve mirror download (new tab & manual link)

src/app/(public)/HomeClient.tsx

@@ -249,6 +249,8 @@ export default function HomeClient() {
                                                 <div className="grid grid-cols-2 gap-3">
                                                     <a 
                                                         href={`/download/ca-certificate?serial=${cert.serial}`} 
+                                                        target="_blank"
+                                                        rel="noopener noreferrer"
                                                         className="flex items-center justify-center gap-2 px-4 py-3 bg-white dark:bg-gray-800 text-gray-700 dark:text-gray-200 rounded-xl border border-gray-200 dark:border-gray-700 font-medium text-sm hover:bg-gray-50 dark:hover:bg-gray-700 transition-colors"
                                                         title={t('download_standard_title')}
                                                     >
@@ -259,6 +261,8 @@ export default function HomeClient() {
                                                     </a>
                                                     <a 
                                                         href={`/download/ca-certificate?serial=${cert.serial}&format=der`} 
+                                                        target="_blank"
+                                                        rel="noopener noreferrer"
                                                         className="flex items-center justify-center gap-2 px-4 py-3 bg-green-50 dark:bg-green-500/10 text-green-700 dark:text-green-400 rounded-xl border border-green-200 dark:border-green-500/20 font-medium text-sm hover:bg-green-100 dark:hover:bg-green-500/20 transition-colors"
                                                         title={t('download_android_title')}
                                                     >
@@ -271,6 +275,8 @@ export default function HomeClient() {
                                                 <div className="grid grid-cols-2 gap-3">
                                                     <a 
                                                         href={`/download/ca-certificate?serial=${cert.serial}&target=windows`} 
+                                                        target="_blank"
+                                                        rel="noopener noreferrer"
                                                         className="flex items-center justify-center gap-2 px-4 py-3 bg-blue-50 dark:bg-blue-500/10 text-blue-700 dark:text-blue-400 rounded-xl border border-blue-200 dark:border-blue-500/20 font-medium text-sm hover:bg-blue-100 dark:hover:bg-blue-500/20 transition-colors"
                                                         title={t('download_windows_title')}
                                                     >
@@ -281,6 +287,8 @@ export default function HomeClient() {
                                                     </a>
                                                      <a 
                                                         href={`/download/ca-certificate?serial=${cert.serial}&target=mac`} 
+                                                        target="_blank"
+                                                        rel="noopener noreferrer"
                                                         className="flex items-center justify-center gap-2 px-4 py-3 bg-gray-100 dark:bg-gray-700 text-gray-800 dark:text-gray-100 rounded-xl border border-gray-200 dark:border-gray-600 font-medium text-sm hover:bg-gray-200 dark:hover:bg-gray-600 transition-colors"
                                                         title={t('download_macos_title')}
                                                     >
@@ -318,6 +326,8 @@ export default function HomeClient() {
                                                 <div className="grid grid-cols-2 gap-3">
                                                     <a 
                                                         href={`/download/ca-certificate?serial=${cert.serial}`} 
+                                                        target="_blank"
+                                                        rel="noopener noreferrer"
                                                         className="flex items-center justify-center gap-2 px-4 py-3 bg-white dark:bg-gray-800 text-gray-700 dark:text-gray-200 rounded-xl border border-gray-200 dark:border-gray-700 font-medium text-sm hover:bg-gray-50 dark:hover:bg-gray-700 transition-colors"
                                                         title={t('download_standard_title')}
                                                     >
@@ -328,6 +338,8 @@ export default function HomeClient() {
                                                     </a>
                                                     <a 
                                                         href={`/download/ca-certificate?serial=${cert.serial}&format=der`} 
+                                                        target="_blank"
+                                                        rel="noopener noreferrer"
                                                         className="flex items-center justify-center gap-2 px-4 py-3 bg-green-50 dark:bg-green-500/10 text-green-700 dark:text-green-400 rounded-xl border border-green-200 dark:border-green-500/20 font-medium text-sm hover:bg-green-100 dark:hover:bg-green-500/20 transition-colors"
                                                         title={t('download_android_title')}
                                                     >
@@ -340,6 +352,8 @@ export default function HomeClient() {
                                                 <div className="grid grid-cols-2 gap-3">
                                                     <a 
                                                         href={`/download/ca-certificate?serial=${cert.serial}&target=windows`} 
+                                                        target="_blank"
+                                                        rel="noopener noreferrer"
                                                         className="flex items-center justify-center gap-2 px-4 py-3 bg-blue-50 dark:bg-blue-500/10 text-blue-700 dark:text-blue-400 rounded-xl border border-blue-200 dark:border-blue-500/20 font-medium text-sm hover:bg-blue-100 dark:hover:bg-blue-500/20 transition-colors"
                                                         title={t('download_windows_title')}
                                                     >
@@ -350,6 +364,8 @@ export default function HomeClient() {
                                                     </a>
                                                      <a 
                                                         href={`/download/ca-certificate?serial=${cert.serial}&target=mac`} 
+                                                        target="_blank"
+                                                        rel="noopener noreferrer"
                                                         className="flex items-center justify-center gap-2 px-4 py-3 bg-gray-100 dark:bg-gray-700 text-gray-800 dark:text-gray-100 rounded-xl border border-gray-200 dark:border-gray-600 font-medium text-sm hover:bg-gray-200 dark:hover:bg-gray-600 transition-colors"
                                                         title={t('download_macos_title')}
                                                     >

src/app/(public)/download/ca-certificate/page.tsx

@@ -8,6 +8,7 @@ function DownloadMirrorContent() {
   const searchParams = useSearchParams();
   const [status, setStatus] = useState("Preparing your download...");
   const [error, setError] = useState<string | null>(null);
+  const [downloadUrl, setDownloadUrl] = useState<string | null>(null);
 
   useEffect(() => {
     const serial = searchParams.get("serial");
@@ -22,27 +23,27 @@ function DownloadMirrorContent() {
 
     // Construct backend URL
     const baseUrl = process.env.NEXT_PUBLIC_BACKEND_URL;
-    let downloadUrl = `${baseUrl}/api/public/ca-certificates/${serial}/download`;
+    let url = `${baseUrl}/api/public/ca-certificates/${serial}/download`;
 
     // Append target if specified (windows/mac)
     if (target) {
-      downloadUrl += `/${target}`;
+      url += `/${target}`;
     }
 
     // Append format if specified (der)
     if (format) {
-      downloadUrl += `?format=${format}`;
+      url += `?format=${format}`;
     }
 
+    setDownloadUrl(url);
+
     // Mirroring: Redirect to the backend download URL
     setStatus("Redirecting to download...");
-    window.location.href = downloadUrl;
+    window.location.href = url;
 
-    // Optional: Auto close or go back after some time
-    // But usually the download happens in the background and the page stays
     const timeout = setTimeout(() => {
-        setStatus("If your download didn't start automatically, please refresh this page.");
+        setStatus("Your download should have started.");
-    }, 5000);
+    }, 3000);
 
     return () => clearTimeout(timeout);
   }, [searchParams]);
@@ -76,11 +77,31 @@ function DownloadMirrorContent() {
                             <path className="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
                           </svg>
                      </div>
+                     <div>
                         <h2 className="text-xl font-bold text-gray-900 dark:text-white">{status}</h2>
-                     <p className="text-sm text-gray-500 dark:text-gray-400">Mirroring Download from TrustLab Trust Store</p>
+                        <p className="text-sm text-gray-500 dark:text-gray-400 mt-2">Mirroring Download from TrustLab Trust Store</p>
+                     </div>
+                     
+                     {downloadUrl && (
+                         <div className="pt-4 animate-in fade-in slide-in-from-bottom-4 duration-700 delay-500 fill-mode-both">
+                            <p className="text-sm text-gray-500 dark:text-gray-400 mb-4">
+                                If your download didn't start automatically,
+                            </p>
+                            <a 
+                                href={downloadUrl}
+                                className="inline-flex items-center gap-2 text-brand-600 dark:text-brand-400 font-semibold hover:underline"
+                            >
+                                <svg className="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth="2" d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-4l-4 4m0 0l-4-4m4 4V4" />
+                                </svg>
+                                klik disini untuk download manual
+                            </a>
                          </div>
                      )}
                 </div>
+            )}
+       </div>
+
        
        <div className="absolute inset-0 overflow-hidden pointer-events-none">
              <CommonGridShape />