stat($filePath)) { die("File not found: $filePath"); } $imageTypes = ['jpg', 'jpeg', 'png', 'gif', 'bmp', 'webp', 'svg']; $videoTypes = ['mp4', 'webm', 'ogg', 'mov', 'avi', 'mkv']; $audioTypes = ['mp3', 'wav', 'ogg', 'm4a', 'flac', 'aac']; $isImage = in_array($fileExtension, $imageTypes); $isVideo = in_array($fileExtension, $videoTypes); $isAudio = in_array($fileExtension, $audioTypes); if (!$isImage && !$isVideo && !$isAudio) { die("Unsupported file type"); } $fileSize = $sftp->stat($filePath)['size']; $mimeMap = [ 'mp4' => 'video/mp4', 'webm' => 'video/mp4', 'ogg' => 'video/mp4', 'mov' => 'video/mp4', 'avi' => 'video/mp4', 'mkv' => 'video/mp4', 'jpg' => 'image/jpeg', 'jpeg' => 'image/jpeg', 'png' => 'image/png', 'gif' => 'image/gif', 'bmp' => 'image/bmp', 'webp' => 'image/webp', 'svg' => 'image/svg+xml', 'mp3' => 'audio/mpeg', 'wav' => 'audio/wav', 'm4a' => 'audio/mp4', 'flac' => 'audio/flac', 'aac' => 'audio/aac' ]; $mimeType = isset($mimeMap[$fileExtension]) ? $mimeMap[$fileExtension] : 'application/octet-stream'; if (isset($_GET['stream'])) { $tempFile = tempnam(sys_get_temp_dir(), 'media_'); $start = 0; $end = $fileSize - 1; $length = $fileSize; if (isset($_SERVER['HTTP_RANGE'])) { $rangeHeader = $_SERVER['HTTP_RANGE']; $matches = []; if (preg_match('/bytes=(\d+)-(\d*)/', $rangeHeader, $matches)) { $start = intval($matches[1]); if (!empty($matches[2])) { $end = intval($matches[2]); } $length = $end - $start + 1; header('HTTP/1.1 206 Partial Content'); header('Content-Range: bytes ' . $start . '-' . $end . '/' . $fileSize); } } header("Content-Type: $mimeType"); header("Accept-Ranges: bytes"); header("Content-Length: $length"); while (ob_get_level()) { ob_end_clean(); } $chunkSize = 8 * 1024 * 1024; // 8MB chunks for better performance $currentPosition = $start; $bytesRemaining = $length; $tempHandle = fopen($tempFile, 'w+'); while ($bytesRemaining > 0) { $readSize = min($chunkSize, $bytesRemaining); $chunkTemp = tempnam(sys_get_temp_dir(), 'chunk_'); if ($sftp->get($filePath, $chunkTemp, $currentPosition, $readSize)) { $chunkData = file_get_contents($chunkTemp); echo $chunkData; unlink($chunkTemp); $bytesRemaining -= strlen($chunkData); $currentPosition += strlen($chunkData); flush(); } else { error_log("SFTP reading error at position $currentPosition"); break; } if (connection_status() != CONNECTION_NORMAL) { break; } } fclose($tempHandle); if (file_exists($tempFile)) { unlink($tempFile); } exit; } ?> Media Viewer - <?= htmlspecialchars($fileName) ?>

Media Viewer

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<?= htmlspecialchars($fileName) ?>
Note: For best results, use MP4 format (H.264 codec). Other formats may not play correctly in all browsers.
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