openreader/src/app/api/documents/blob/get/presign/route.ts

67 lines
2.5 KiB
TypeScript

import { NextRequest, NextResponse } from 'next/server';
import { and, eq, inArray } from 'drizzle-orm';
import { db } from '@/db';
import { documents } from '@/db/schema';
import { requireAuthContext } from '@/lib/server/auth/auth';
import { isValidDocumentId, presignGet } from '@/lib/server/documents/blobstore';
import { getOpenReaderTestNamespace, getUnclaimedUserIdForNamespace } from '@/lib/server/testing/test-namespace';
import { isS3Configured } from '@/lib/server/storage/s3';
export const dynamic = 'force-dynamic';
function s3NotConfiguredResponse(): NextResponse {
return NextResponse.json(
{ error: 'Documents storage is not configured. Set S3_* environment variables.' },
{ status: 503 },
);
}
export async function GET(req: NextRequest) {
try {
if (!isS3Configured()) return s3NotConfiguredResponse();
const ctxOrRes = await requireAuthContext(req);
if (ctxOrRes instanceof Response) return ctxOrRes;
const testNamespace = getOpenReaderTestNamespace(req.headers);
const unclaimedUserId = getUnclaimedUserIdForNamespace(testNamespace);
const storageUserId = ctxOrRes.userId ?? unclaimedUserId;
const allowedUserIds = ctxOrRes.authEnabled ? [storageUserId, unclaimedUserId] : [unclaimedUserId];
const url = new URL(req.url);
const id = (url.searchParams.get('id') || '').trim().toLowerCase();
if (!isValidDocumentId(id)) {
return NextResponse.json({ error: 'Invalid id' }, { status: 400 });
}
const rows = (await db
.select({ id: documents.id, userId: documents.userId })
.from(documents)
.where(and(eq(documents.id, id), inArray(documents.userId, allowedUserIds)))) as Array<{
id: string;
userId: string;
}>;
const doc = rows.find((row) => row.userId === storageUserId) ?? rows[0];
if (!doc) {
return NextResponse.json({ error: 'Not found' }, { status: 404 });
}
const fallbackUrl = `/api/documents/blob/get/fallback?id=${encodeURIComponent(doc.id)}`;
const directUrl = await presignGet(doc.id, testNamespace).catch(() => null);
if (!directUrl) {
return NextResponse.redirect(fallbackUrl, {
status: 307,
headers: { 'Cache-Control': 'no-store' },
});
}
return NextResponse.redirect(directUrl, {
status: 307,
headers: { 'Cache-Control': 'no-store' },
});
} catch (error) {
console.error('Error creating document download signature:', error);
return NextResponse.json({ error: 'Failed to prepare document download' }, { status: 500 });
}
}