cobalt/src/modules/stream/manage.js
wukko 68703ae300 5.3.2: link sharing and nanoid
- you can now share video links directly from cobalt!
- cobalt is now using nanoid for stream ids instead of giant sha256 hashes
- one more fix to address the copy animation, this time on pc
2023-04-08 22:55:44 +06:00

61 lines
2.1 KiB
JavaScript

import NodeCache from "node-cache";
import { nanoid } from 'nanoid';
import { sha256 } from "../sub/crypto.js";
import { streamLifespan } from "../config.js";
const streamCache = new NodeCache({ stdTTL: streamLifespan/1000, checkperiod: 10, deleteOnExpire: true });
const salt = process.env.streamSalt;
streamCache.on("expired", (key) => {
streamCache.del(key);
});
export function createStream(obj) {
let streamID = nanoid(),
exp = Math.floor(new Date().getTime()) + streamLifespan,
ghmac = sha256(`${streamID},${obj.ip},${obj.service},${exp}`, salt);
if (!streamCache.has(streamID)) {
streamCache.set(streamID, {
id: streamID,
service: obj.service,
type: obj.type,
urls: obj.u,
filename: obj.filename,
hmac: ghmac,
ip: obj.ip,
exp: exp,
isAudioOnly: !!obj.isAudioOnly,
audioFormat: obj.audioFormat,
time: obj.time ? obj.time : false,
copy: !!obj.copy,
mute: !!obj.mute,
metadata: obj.fileMetadata ? obj.fileMetadata : false
});
} else {
let streamInfo = streamCache.get(streamID);
exp = streamInfo.exp;
ghmac = streamInfo.hmac;
}
return `${process.env.selfURL}api/stream?t=${streamID}&e=${exp}&h=${ghmac}`;
}
export function verifyStream(ip, id, hmac, exp) {
try {
if (id.length === 21) {
let streamInfo = streamCache.get(id);
if (!streamInfo) return { error: 'this stream token does not exist', status: 400 };
let ghmac = sha256(`${id},${ip},${streamInfo.service},${exp}`, salt);
if (String(hmac) === ghmac && String(exp) === String(streamInfo.exp) && ghmac === String(streamInfo.hmac)
&& String(ip) === streamInfo.ip && Number(exp) > Math.floor(new Date().getTime())) {
return streamInfo;
}
}
return { error: 'Unauthorized', status: 401 };
} catch (e) {
return { status: 500, body: { status: "error", text: "Internal Server Error" } };
}
}