export const dynamic = 'force-dynamic';
import { NextResponse } from 'next/server';
import { POST } from '@/app/api/send/route';
import type { Link } from '@/generated/prisma/client';
import redis from '@/lib/redis';
import { notFound } from '@/lib/response';
import { findLink } from '@/queries/prisma';
function escapeHtml(str: string): string {
return str
.replace(/&/g, '&')
.replace(/"/g, '"')
.replace(//g, '>')
.replace(/'/g, ''');
}
export async function GET(request: Request, { params }: { params: Promise<{ slug: string }> }) {
const { slug } = await params;
let link: Link;
if (redis.enabled) {
link = await redis.client.fetch(
`link:${slug}`,
async () => {
return findLink({
where: {
slug,
},
});
},
86400,
);
if (!link) {
return notFound();
}
} else {
link = await findLink({
where: {
slug,
},
});
if (!link) {
return notFound();
}
}
const userAgent = request.headers.get('user-agent') || '';
const isBot =
/facebookexternalhit|twitterbot|linkedinbot|whatsapp|slackbot|discordbot|telegrambot|applebot|bingbot|googlebot/i.test(
userAgent,
);
if (isBot && (link.ogTitle || link.ogDescription || link.ogImageUrl)) {
const ogTitle = escapeHtml(link.ogTitle || link.name);
const ogDescription = escapeHtml(link.ogDescription || '');
const ogImageUrl = escapeHtml(link.ogImageUrl || '');
const url = escapeHtml(link.url);
return new Response(
`
${ogTitle}
`,
{
headers: {
'content-type': 'text/html',
},
},
);
}
const payload = {
type: 'event',
payload: {
link: link.id,
url: request.url,
referrer: request.headers.get('referer'),
},
};
const req = new Request(request.url, {
method: 'POST',
headers: request.headers,
body: JSON.stringify(payload),
});
await POST(req);
return NextResponse.redirect(link.url);
}