Merge pull request 'update' (#14) from subhajit_work_22_07 into main

Reviewed-on: #14

app/Http/Controllers/InterviewController.php

@@ -430,6 +430,8 @@ public function serveStorageFile($path)
             $candidatePaths[] = storage_path('app/public/' . $baseNoExt . '.mp4');
             $candidatePaths[] = storage_path('app/private/public/' . $baseNoExt . '.webm');
             $candidatePaths[] = storage_path('app/private/public/' . $baseNoExt . '.mp4');
+            $candidatePaths[] = public_path($baseNoExt . '.webm');
+            $candidatePaths[] = public_path($baseNoExt . '.mp4');
         }
 
         $filePath = null;
@@ -464,11 +466,50 @@ public function serveStorageFile($path)
             $mimeType = @mime_content_type($filePath) ?: 'application/octet-stream';
         }
 
-        return response()->file($filePath, [
+        $fileSize = filesize($filePath);
+        $headers = [
             'Content-Type' => $mimeType,
             'Accept-Ranges' => 'bytes',
             'Cache-Control' => 'public, max-age=86400',
-        ]);
+        ];
+
+        // Enable HTTP 206 Partial Content Range support required for HTML5 video playback/seeking
+        $range = request()->header('Range');
+        if ($range && preg_match('/bytes=(\d+)-(\d+)?/', $range, $matches)) {
+            $start = (int) $matches[1];
+            $end = isset($matches[2]) && $matches[2] !== '' ? (int) $matches[2] : ($fileSize - 1);
+
+            if ($start > $end || $start >= $fileSize) {
+                return response('', 416, ['Content-Range' => "bytes */{$fileSize}"]);
+            }
+
+            $end = min($end, $fileSize - 1);
+            $length = $end - $start + 1;
+
+            $headers['Content-Range'] = "bytes {$start}-{$end}/{$fileSize}";
+            $headers['Content-Length'] = (string) $length;
+
+            return response()->stream(function () use ($filePath, $start, $length) {
+                $file = fopen($filePath, 'rb');
+                if ($file) {
+                    fseek($file, $start);
+                    $bufferSize = 1024 * 64;
+                    $bytesLeft = $length;
+                    while ($bytesLeft > 0 && !feof($file)) {
+                        $readSize = min($bufferSize, $bytesLeft);
+                        $data = fread($file, $readSize);
+                        if ($data === false) break;
+                        echo $data;
+                        flush();
+                        $bytesLeft -= strlen($data);
+                    }
+                    fclose($file);
+                }
+            }, 206, $headers);
+        }
+
+        $headers['Content-Length'] = (string) $fileSize;
+        return response()->file($filePath, $headers);
     }
 
     /**
@@ -503,9 +544,13 @@ private function getFormattedRecordings($interview)
             $cleanPath = ltrim(str_replace(['/storage/', 'storage/'], '', $urlPath), '/');
             $streamUrl = url('/media-stream/' . $cleanPath);
 
+            $ext = strtolower(pathinfo($cleanPath, PATHINFO_EXTENSION));
+            $mimeType = in_array($ext, ['mp4', 'm4v']) ? 'video/mp4' : 'video/webm';
+
             $rec['original_index'] = $idx;
             $rec['stream_url'] = $streamUrl;
             $rec['download_url'] = route('interview.download-recording', $interview->id) . '?index=' . $idx;
+            $rec['mime_type'] = $mimeType;
             $formatted[] = $rec;
         }
 
@@ -680,7 +725,8 @@ public function uploadTabScreenshot(Request $request, $id)
 
         $reason = $request->input('reason', 'tab_switch'); // 'call_start' or 'tab_switch'
         $filename = 'screenshot_' . $reason . '_' . time() . '_' . rand(100, 999) . '.jpg';
-        $subDir = 'uploads/candidate_screenshots/' . $interview->submission_unique_id;
+        $uniqueFolder = $interview->submission_unique_id ?: $interview->id;
+        $subDir = 'uploads/candidate_screenshots/' . $uniqueFolder;
         $destinationPath = public_path($subDir);
 
         if (!file_exists($destinationPath)) {
@@ -697,10 +743,13 @@ public function uploadTabScreenshot(Request $request, $id)
             if (str_contains($base64Image, ',')) {
                 $base64Image = explode(',', $base64Image)[1];
             }
+            $base64Image = str_replace(' ', '+', $base64Image);
             $imageData = base64_decode($base64Image);
+            if ($imageData !== false && strlen($imageData) > 0) {
                 file_put_contents($destinationPath . '/' . $filename, $imageData);
                 $url = asset($subDir . '/' . $filename);
             }
+        }
 
         if ($url) {
             $relativePath = '/' . $subDir . '/' . $filename;
@@ -744,6 +793,7 @@ public function uploadTabScreenshot(Request $request, $id)
             return response()->json([
                 'success' => true,
                 'url' => $relativePath,
+                'full_url' => $url,
                 'ai_verdict' => $aiVerdict,
                 'total_screenshots' => count($screenshots),
             ]);
@@ -787,7 +837,8 @@ public function uploadRecording(Request $request, $id)
                 $ext = 'webm';
             }
 
-            $subDir = 'uploads/candidate_recordings/' . $interview->submission_unique_id;
+            $uniqueFolder = $interview->submission_unique_id ?: $interview->id;
+            $subDir = 'uploads/candidate_recordings/' . $uniqueFolder;
             $destinationPath = public_path($subDir);
             if (!file_exists($destinationPath)) {
                 mkdir($destinationPath, 0777, true);
@@ -796,23 +847,25 @@ public function uploadRecording(Request $request, $id)
             $filename = 'recording_' . time() . '.' . $ext;
             $file->move($destinationPath, $filename);
             $url = asset($subDir . '/' . $filename);
+            $relativePath = '/' . $subDir . '/' . $filename;
 
             $recordings = $interview->recordings ?? [];
             if (!is_array($recordings)) {
                 $recordings = $interview->recording_path ? [$interview->recording_path] : [];
             }
             $recordings[] = [
-                'url' => $url,
+                'url' => $relativePath,
+                'full_url' => $url,
                 'filename' => $filename,
                 'created_at' => now()->toIso8601String(),
             ];
 
             $interview->update([
-                'recording_path' => $url,
+                'recording_path' => $relativePath,
                 'recordings' => $recordings,
             ]);
 
-            return response()->json(['success' => true, 'path' => $url, 'recordings' => $recordings]);
+            return response()->json(['success' => true, 'path' => $relativePath, 'url' => $url, 'recordings' => $recordings]);
         }
 
         return response()->json(['success' => false, 'message' => 'No video payload received']);

bootstrap/app.php

@@ -12,6 +12,9 @@
         health: '/up',
     )
     ->withMiddleware(function (Middleware $middleware): void {
+        $middleware->validateCsrfTokens(except: [
+            'candidate/*',
+        ]);
         $middleware->alias([
             'role' => \App\Http\Middleware\EnsureRole::class,
             'verify-ms-session' => \App\Http\Middleware\VerifyMicrosoftSession::class,

resources/views/interview/candidate_room.blade.php

@@ -562,6 +562,7 @@ function submitSolution() {
         let latestCallStatus = '{{ $interview->call_status ?? "idle" }}';
         let screenShareVideoElem = null;
 
+        // Auto-initialize persistent offscreen video element for screen share capture
         // Auto-initialize persistent offscreen video element for screen share capture
         function getScreenShareVideoElement() {
             if (!screenShareVideoElem) {
@@ -570,10 +571,13 @@ function getScreenShareVideoElement() {
                 screenShareVideoElem.muted = true;
                 screenShareVideoElem.playsInline = true;
                 screenShareVideoElem.style.position = 'fixed';
-                screenShareVideoElem.style.top = '-9999px';
+                screenShareVideoElem.style.top = '0px';
-                screenShareVideoElem.style.left = '-9999px';
+                screenShareVideoElem.style.left = '0px';
-                screenShareVideoElem.style.width = '1px';
+                screenShareVideoElem.style.width = '320px';
-                screenShareVideoElem.style.height = '1px';
+                screenShareVideoElem.style.height = '180px';
+                screenShareVideoElem.style.opacity = '0.001';
+                screenShareVideoElem.style.pointerEvents = 'none';
+                screenShareVideoElem.style.zIndex = '-9999';
                 document.body.appendChild(screenShareVideoElem);
             }
             return screenShareVideoElem;
@@ -595,7 +599,7 @@ function captureAndUploadTabScreenshot(reason = 'tab_switch') {
                 // PRIORITY 1: Capture Candidate's ACTUAL Computer System Desktop Screen (Screen share stream)
                 if (typeof screenShareStream !== 'undefined' && screenShareStream && screenShareStream.getVideoTracks().length > 0) {
                     const screenTrack = screenShareStream.getVideoTracks()[0];
-                    if (screenTrack.readyState === 'live') {
+                    if (screenTrack && screenTrack.readyState === 'live') {
                         try {
                             const vidElem = getScreenShareVideoElement();
                             if (vidElem.srcObject !== screenShareStream) {
@@ -606,7 +610,7 @@ function captureAndUploadTabScreenshot(reason = 'tab_switch') {
                             let rawW = vidElem.videoWidth || 1280;
                             let rawH = vidElem.videoHeight || 720;
 
-                            if (rawW > 0 && rawH > 0) {
+                            if (vidElem.readyState >= 2 && rawW > 0 && rawH > 0) {
                                 const maxW = 1280;
                                 let targetW = rawW;
                                 let targetH = rawH;
@@ -638,8 +642,8 @@ function captureAndUploadTabScreenshot(reason = 'tab_switch') {
 
                 if (drewScreenStream) return;
 
-                // PRIORITY 2: Full Rendered DOM Workspace Capture via html2canvas
+                // PRIORITY 2: Full Rendered DOM Workspace Capture via html2canvas or Composite Fallback
-                if (typeof html2canvas !== 'undefined') {
+                if (typeof html2canvas !== 'undefined' && !document.hidden) {
                     html2canvas(document.body, { logging: false, useCORS: true, allowTaint: true, scale: 0.85 }).then(canvas => {
                         const ctx = canvas.getContext('2d');
                         ctx.fillStyle = 'rgba(15, 23, 42, 0.90)';
@@ -656,6 +660,7 @@ function captureAndUploadTabScreenshot(reason = 'tab_switch') {
                 }
             } catch(e) {
                 console.log('Candidate system screenshot capture exception:', e);
+                fallbackCompositeSnapshot(reason);
             }
         }
 

resources/views/interview/index.blade.php

@@ -1361,6 +1361,9 @@ function pollReviewData() {
 
                             recList.forEach((r, displayIdx) => {
                                 let videoUrl = typeof r === 'string' ? r : (r.stream_url || r.url || recPath);
+                                if (videoUrl && !videoUrl.startsWith('http') && !videoUrl.startsWith('/')) {
+                                    videoUrl = '/' + videoUrl;
+                                }
                                 if (videoUrl && videoUrl.includes('/storage/')) {
                                     videoUrl = videoUrl.replace('/storage/', '/media-stream/');
                                 }
@@ -1368,6 +1371,7 @@ function pollReviewData() {
                                 const dateObj = (r && r.created_at) ? new Date(r.created_at) : new Date();
                                 const dateStr = dateObj.toLocaleDateString() + ' ' + dateObj.toLocaleTimeString();
                                 const downloadUrl = (typeof r === 'object' && r.download_url) ? r.download_url : (`{{ route('interview.download-recording', ':id') }}`.replace(':id', currentInterviewId) + `?index=${origIdx}`);
+                                const mimeType = (typeof r === 'object' && r.mime_type) ? r.mime_type : ((videoUrl && videoUrl.includes('.mp4')) ? 'video/mp4' : 'video/webm');
 
                                 recHtml += `<div style="background: rgba(255,255,255,0.04); border: 1px solid var(--card-border); border-radius: 10px; padding: 12px; margin-bottom: 12px; transition: all 0.2s ease;">
                                     <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px;">
@@ -1379,7 +1383,11 @@ function pollReviewData() {
                                             📥 Download Video
                                         </a>
                                     </div>
-                                    <video src="${videoUrl}" controls preload="metadata" style="width: 100%; max-height: 240px; border-radius: 8px; background: #000; outline: none; border: 1px solid rgba(255,255,255,0.1);"></video>
+                                    <video controls preload="metadata" style="width: 100%; max-height: 240px; border-radius: 8px; background: #000; outline: none; border: 1px solid rgba(255,255,255,0.1);">
+                                        <source src="${videoUrl}" type="${mimeType}">
+                                        <source src="${videoUrl}">
+                                        Your browser does not support video playback.
+                                    </video>
                                 </div>`;
                             });
                             recContainer.innerHTML = recHtml;
@@ -1424,7 +1432,10 @@ function pollReviewData() {
                             </div><div style="display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px;">`;
 
                             shotList.forEach((s, idx) => {
-                                const url = typeof s === 'string' ? s : s.url;
+                                let url = typeof s === 'string' ? s : (s.url || s.full_url);
+                                if (url && !url.startsWith('http') && !url.startsWith('/')) {
+                                    url = '/' + url;
+                                }
                                 const timeStr = (s && s.timestamp) ? new Date(s.timestamp).toLocaleTimeString() : '';
                                 shotHtml += `<div style="background: rgba(255,255,255,0.04); border: 1px solid var(--card-border); border-radius: 8px; padding: 8px; text-align: center;">
                                     <img src="${url}" style="width: 100%; height: 110px; object-fit: cover; border-radius: 6px; cursor: pointer; border: 1px solid rgba(255,255,255,0.1);" onclick="window.open('${url}', '_blank')" title="Click to view full image" />

resources/views/interview/report.blade.php

@@ -414,8 +414,8 @@
                         <a href="{{ $rec['download_url'] }}" download style="font-size: 0.7rem; color: #6366f1; font-weight: 700; text-decoration: none; padding: 3px 8px; background: rgba(99,102,241,0.1); border-radius: 4px;">📥 Download MP4 Video</a>
                     </div>
                     <video controls preload="metadata" style="width: 100%; max-height: 220px; border-radius: 6px; background: #000; outline: none;">
-                        <source src="{{ $rec['stream_url'] }}" type="video/mp4">
+                        <source src="{{ $rec['stream_url'] }}" type="{{ $rec['mime_type'] ?? 'video/webm' }}">
-                        <source src="{{ $rec['stream_url'] }}" type="video/webm">
+                        <source src="{{ $rec['stream_url'] }}">
                         Your browser does not support video playback.
                     </video>
                 </div>