nuxt-restream/dist/runtime/server/api/index.mjs

Secure media content inside your Nuxt app

import { readFileSync } from "node:fs";
import { getStorage } from "firebase-admin/storage";
import { initializeApp, cert, getApps } from "firebase-admin/app";
import { sendStream, appendHeader, defineEventHandler, useQuery } from "h3";
import { useRuntimeConfig } from "#imports";
const config = useRuntimeConfig().restream;
const apps = getApps();
if (!apps.length) {
  initializeApp({
    credential: cert(JSON.parse(readFileSync(config.credential))),
    storageBucket: config.storage
  });
}
export default defineEventHandler(async (event) => {
  const storage = getStorage();
  const bucket = storage.bucket();
  const file = await bucket.file(useQuery(event).f);
  const metadata = await file.getMetadata();
  const total = metadata[0].size;
  if (event.req.headers.range) {
    const range = event.req.headers.range;
    const parts = range.replace(/bytes=/, "").split("-");
    const partialstart = parts[0];
    const partialend = parts[1];
    const start = parseInt(partialstart, 10);
    const end = partialend ? parseInt(partialend, 10) : total - 1;
    const chunksize = end - start + 1;
    event.res.statusCode = 206;
    appendHeader(event, "Content-Length", chunksize.toString());
    appendHeader(event, "Accept-Ranges", "bytes");
    appendHeader(event, "Content-Range", "bytes " + start + "-" + end + "/" + total);
    return sendStream(event, file.createReadStream({ start, end }));
  }
});