45 lines
1.6 KiB
JavaScript
45 lines
1.6 KiB
JavaScript
import NodeCache from "node-cache";
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import { UUID, encrypt } from "../sub/crypto.js";
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import { streamLifespan } from "../config.js";
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const streamCache = new NodeCache({ stdTTL: streamLifespan, checkperiod: 120 });
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export function createStream(obj) {
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let streamUUID = UUID(),
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exp = Math.floor(new Date().getTime()) + streamLifespan,
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ghmac = encrypt(`${streamUUID},${obj.url},${obj.ip},${exp}`, obj.salt),
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iphmac = encrypt(`${obj.ip}`, obj.salt);
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streamCache.set(streamUUID, {
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id: streamUUID,
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service: obj.service,
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type: obj.type,
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urls: obj.urls,
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filename: obj.filename,
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hmac: ghmac,
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ip: iphmac,
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exp: exp,
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isAudioOnly: obj.isAudioOnly ? true : false,
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time: obj.time
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});
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return `${process.env.selfURL}api/stream?t=${streamUUID}&e=${exp}&h=${ghmac}`;
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}
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export function verifyStream(ip, id, hmac, exp, salt) {
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try {
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let streamInfo = streamCache.get(id);
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if (streamInfo) {
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let ghmac = encrypt(`${id},${streamInfo.url},${ip},${exp}`, salt);
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if (hmac == ghmac && encrypt(`${ip}`, salt) == streamInfo.ip && ghmac == streamInfo.hmac && exp > Math.floor(new Date().getTime()) && exp == streamInfo.exp) {
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return streamInfo;
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} else {
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return { error: 'Unauthorized', status: 401 };
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}
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} else {
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return { error: 'this stream token does not exist', status: 400 };
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}
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} catch (e) {
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return { status: 500, body: { status: "error", text: "Internal Server Error" } };
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}
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} |