port-nimara-client-portal/server/api/files/proxy-preview.ts

50 lines
1.4 KiB
TypeScript

import { getDownloadUrl } from '~/server/utils/minio';
import mime from 'mime-types';
export default defineEventHandler(async (event) => {
try {
const query = getQuery(event);
const fileName = query.fileName as string;
if (!fileName) {
throw createError({
statusCode: 400,
statusMessage: 'File name is required',
});
}
// Get content type
const contentType = mime.lookup(fileName) || 'application/octet-stream';
// Get the download URL
const url = await getDownloadUrl(fileName);
// Fetch the file content from MinIO
const response = await fetch(url);
if (!response.ok) {
throw createError({
statusCode: response.status,
statusMessage: 'Failed to fetch file from storage',
});
}
// Get the file buffer
const buffer = Buffer.from(await response.arrayBuffer());
// Set appropriate headers for preview
setHeader(event, 'Content-Type', contentType);
setHeader(event, 'Content-Disposition', 'inline');
setHeader(event, 'Cache-Control', 'public, max-age=3600');
// Return the file buffer
return buffer;
} catch (error: any) {
console.error('Failed to proxy preview:', error);
throw createError({
statusCode: 500,
statusMessage: error.message || 'Failed to proxy preview',
});
}
});