Files
LexiChain/app/api/contracts/[id]/download/route.ts
2026-05-03 13:26:31 +01:00

54 lines
1.6 KiB
TypeScript

import { auth } from "@clerk/nextjs/server";
import { ContractService } from "@/lib/services/contract.service";
const sanitizeFilename = (fileName: string): string => {
const cleaned = fileName.replace(/[\\/:*?"<>|]/g, "_").trim();
return cleaned || "contract";
};
export async function GET(
_: Request,
{ params }: { params: Promise<{ id: string }> },
) {
try {
const { userId: clerkId } = await auth();
if (!clerkId) {
return new Response("Unauthorized", { status: 401 });
}
const { id } = await params;
if (!id) {
return new Response("Missing contract ID", { status: 400 });
}
const contract = await ContractService.getById(id);
const upstream = await fetch(contract.fileUrl);
if (!upstream.ok) {
return new Response("Unable to fetch source file", { status: 502 });
}
const bytes = await upstream.arrayBuffer();
const contentType =
contract.mimeType ||
upstream.headers.get("content-type") ||
"application/octet-stream";
const fileName = sanitizeFilename(contract.fileName);
const encodedFileName = encodeURIComponent(fileName);
return new Response(bytes, {
status: 200,
headers: {
"Content-Type": contentType,
"Content-Disposition": `attachment; filename="${fileName}"; filename*=UTF-8''${encodedFileName}`,
"Cache-Control": "private, no-store, no-cache, must-revalidate",
Pragma: "no-cache",
Expires: "0",
},
});
} catch (error) {
console.error("Contract download error:", error);
return new Response("Failed to download contract", { status: 500 });
}
}