Leon Serfaty
64 lines
2.0 KiB
TypeScript
64 lines
2.0 KiB
TypeScript
import { NextRequest } from "next/server";
|
|
import { prisma } from "@/lib/db";
|
|
import { storage } from "@/lib/storage";
|
|
|
|
export const dynamic = "force-dynamic";
|
|
|
|
/**
|
|
* Stream an episode's MP3 to anonymous visitors, authorized purely by a valid,
|
|
* still-enabled public `shareId` (NOT a session). Returns 404 when the share is
|
|
* disabled or the audio is missing so we never disclose private episode state.
|
|
*
|
|
* Supports HTTP Range requests so the audio element can seek/scrub.
|
|
*/
|
|
export async function GET(
|
|
req: NextRequest,
|
|
{ params }: { params: Promise<{ shareId: string }> }
|
|
) {
|
|
const { shareId } = await params;
|
|
|
|
const episode = await prisma.episode.findUnique({
|
|
where: { shareId },
|
|
select: { audioAsset: { select: { storageKey: true } } },
|
|
});
|
|
const key = episode?.audioAsset?.storageKey;
|
|
if (!key) return new Response("Not found", { status: 404 });
|
|
|
|
if (!(await storage().exists(key))) return new Response("Not found", { status: 404 });
|
|
|
|
const data = await storage().get(key);
|
|
const total = data.byteLength;
|
|
const contentType = "audio/mpeg";
|
|
|
|
const range = req.headers.get("range");
|
|
if (range) {
|
|
const match = /bytes=(\d+)-(\d*)/.exec(range);
|
|
if (match) {
|
|
const start = Number(match[1]);
|
|
const end = match[2] ? Math.min(Number(match[2]), total - 1) : total - 1;
|
|
if (start <= end && start < total) {
|
|
const chunk = data.subarray(start, end + 1);
|
|
return new Response(chunk as BodyInit, {
|
|
status: 206,
|
|
headers: {
|
|
"Content-Type": contentType,
|
|
"Content-Length": String(chunk.byteLength),
|
|
"Content-Range": `bytes ${start}-${end}/${total}`,
|
|
"Accept-Ranges": "bytes",
|
|
"Cache-Control": "public, max-age=3600",
|
|
},
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
return new Response(data as BodyInit, {
|
|
headers: {
|
|
"Content-Type": contentType,
|
|
"Content-Length": String(total),
|
|
"Accept-Ranges": "bytes",
|
|
"Cache-Control": "public, max-age=3600",
|
|
},
|
|
});
|
|
}
|