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api/stream/internal: workaround for wrong bsky content-type, refactor

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wukko 2024-11-16 22:15:13 +06:00
parent b61b8c82a2
commit 606f0fd29a
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2 changed files with 17 additions and 11 deletions
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2
api/src/stream/internal-hls.js
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@ -53,7 +53,7 @@ function transformMediaPlaylist(streamInfo, hlsPlaylist) {
const HLS_MIME_TYPES = ["application/vnd.apple.mpegurl", "audio/mpegurl", "application/x-mpegURL"];
export function isHlsRequest (req) {
export function isHlsResponse (req) {
return HLS_MIME_TYPES.includes(req.headers['content-type']);
}

26
api/src/stream/internal.js
View file

@ -1,7 +1,7 @@
import { request } from "undici";
import { Readable } from "node:stream";
import { closeRequest, getHeaders, pipe } from "./shared.js";
import { handleHlsPlaylist, isHlsRequest } from "./internal-hls.js";
import { handleHlsPlaylist, isHlsResponse } from "./internal-hls.js";
const CHUNK_SIZE = BigInt(8e6); // 8 MB
const min = (a, b) => a < b ? a : b;
@ -83,7 +83,7 @@ async function handleGenericStream(streamInfo, res) {
const cleanup = () => res.end();
try {
const req = await request(streamInfo.url, {
const fileResponse = await request(streamInfo.url, {
headers: {
...Object.fromEntries(streamInfo.headers),
host: undefined
@ -93,22 +93,28 @@ async function handleGenericStream(streamInfo, res) {
maxRedirections: 16
});
res.status(req.statusCode);
req.body.on('error', () => {});
res.status(fileResponse.statusCode);
fileResponse.body.on('error', () => {});
for (const [ name, value ] of Object.entries(req.headers)) {
if (!isHlsRequest(req) || name.toLowerCase() !== 'content-length') {
// bluesky's cdn responds with wrong content-type for the hls playlist,
// so we enforce it here until they fix it
const isHls = isHlsResponse(fileResponse)
|| (streamInfo.service === "bsky" && streamInfo.url.endsWith('.m3u8'));
for (const [ name, value ] of Object.entries(fileResponse.headers)) {
if (!isHls || name.toLowerCase() !== 'content-length') {
res.setHeader(name, value);
}
}
if (req.statusCode < 200 || req.statusCode > 299)
if (fileResponse.statusCode < 200 || fileResponse.statusCode > 299) {
return cleanup();
}
if (isHlsRequest(req)) {
await handleHlsPlaylist(streamInfo, req, res);
if (isHls) {
await handleHlsPlaylist(streamInfo, fileResponse, res);
} else {
pipe(req.body, res, cleanup);
pipe(fileResponse.body, res, cleanup);
}
} catch {
closeRequest(streamInfo.controller);