Files
cobalt/api/src/stream/proxy.js

44 lines
1.3 KiB
JavaScript

import { Agent, request } from "undici";
import { create as contentDisposition } from "content-disposition-header";
import { destroyInternalStream } from "./manage.js";
import { getHeaders, closeRequest, closeResponse, pipe } from "./shared.js";
const defaultAgent = new Agent();
export default async function (streamInfo, res) {
const abortController = new AbortController();
const shutdown = () => (
closeRequest(abortController),
closeResponse(res),
destroyInternalStream(streamInfo.urls)
);
try {
res.setHeader('Cross-Origin-Resource-Policy', 'cross-origin');
res.setHeader('Content-disposition', contentDisposition(streamInfo.filename));
const { body: stream, headers, statusCode } = await request(streamInfo.urls, {
headers: {
...getHeaders(streamInfo.service),
Range: streamInfo.range
},
signal: abortController.signal,
maxRedirections: 16,
dispatcher: defaultAgent,
});
res.status(statusCode);
for (const headerName of ['accept-ranges', 'content-type', 'content-length']) {
if (headers[headerName]) {
res.setHeader(headerName, headers[headerName]);
}
}
pipe(stream, res, shutdown);
} catch {
shutdown();
}
}