Initial commit

routes/api/volumes/[name]/export/+server.ts

@@ -0,0 +1,73 @@
+import { json } from '@sveltejs/kit';
+import type { RequestHandler } from './$types';
+import { getVolumeArchive } from '$lib/server/docker';
+import { authorize } from '$lib/server/authorize';
+
+export const GET: RequestHandler = async ({ params, url, cookies }) => {
+	const auth = await authorize(cookies);
+
+	const envId = url.searchParams.get('env');
+	const envIdNum = envId ? parseInt(envId) : undefined;
+	const path = url.searchParams.get('path') || '/';
+	const format = url.searchParams.get('format') || 'tar';
+
+	// Permission check with environment context
+	if (auth.authEnabled && !await auth.can('volumes', 'inspect', envIdNum)) {
+		return json({ error: 'Permission denied' }, { status: 403 });
+	}
+
+	try {
+
+		const { response } = await getVolumeArchive(params.name, path, envIdNum);
+
+		// Determine filename
+		const volumeName = params.name.replace(/[:/]/g, '_');
+		const pathPart = path === '/' ? '' : `-${path.replace(/^\//, '').replace(/\//g, '-')}`;
+		let filename = `${volumeName}${pathPart}`;
+		let contentType = 'application/x-tar';
+		let extension = '.tar';
+
+		// Prepare response based on format
+		let body: ReadableStream<Uint8Array> | Uint8Array = response.body!;
+
+		if (format === 'tar.gz') {
+			// Compress with gzip using Bun's native implementation
+			const tarData = new Uint8Array(await response.arrayBuffer());
+			body = Bun.gzipSync(tarData);
+			contentType = 'application/gzip';
+			extension = '.tar.gz';
+		}
+
+		// Note: Helper container is cached and reused for subsequent requests.
+		// Cache TTL handles cleanup automatically.
+
+		const headers: Record<string, string> = {
+			'Content-Type': contentType,
+			'Content-Disposition': `attachment; filename="${filename}${extension}"`
+		};
+
+		// Set content length for compressed data
+		if (body instanceof Uint8Array) {
+			headers['Content-Length'] = body.length.toString();
+		} else {
+			// Pass through content length for streaming tar
+			const contentLength = response.headers.get('Content-Length');
+			if (contentLength) {
+				headers['Content-Length'] = contentLength;
+			}
+		}
+
+		return new Response(body, { headers });
+	} catch (error: any) {
+		console.error('Failed to export volume:', error);
+
+		if (error.message?.includes('No such file or directory')) {
+			return json({ error: 'Path not found' }, { status: 404 });
+		}
+
+		return json({
+			error: 'Failed to export volume',
+			details: error.message || String(error)
+		}, { status: 500 });
+	}
+};