lbry-desktop/web/src/livestreaming/index.js

55 lines
1.6 KiB
JavaScript

// @flow
import Lbry from 'lbry';
import { LIVESTREAM_KILL, LIVESTREAM_LIVE_API } from 'constants/livestream';
import { toHex } from 'util/hex';
type StreamData = {
d: string,
s: string,
t: string,
};
export const getStreamData = async (channelId: string, channelName: string): Promise<StreamData> => {
if (!channelId || !channelName) throw new Error('Invalid channel data provided.');
const channelNameHex = toHex(channelName);
let channelSignature;
try {
channelSignature = await Lbry.channel_sign({ channel_id: channelId, hexdata: channelNameHex });
if (!channelSignature || !channelSignature.signature || !channelSignature.signing_ts) {
throw new Error('Error getting channel signature.');
}
} catch (e) {
throw e;
}
return { d: channelNameHex, s: channelSignature.signature, t: channelSignature.signing_ts };
};
export const killStream = async (channelId: string, channelName: string) => {
try {
const streamData = await getStreamData(channelId, channelName);
fetch(`${LIVESTREAM_KILL}/${channelId}`, {
method: 'POST',
mode: 'no-cors',
headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
body: new URLSearchParams(streamData),
}).then((res) => {
if (res.status !== 200) throw new Error('Kill stream API failed.');
});
} catch (e) {
throw e;
}
};
export const isLiveStreaming = async (channelId: string): Promise<boolean> => {
try {
const response = await fetch(`${LIVESTREAM_LIVE_API}/${channelId}`);
const stream = await response.json();
return stream.data?.live;
} catch {
return false;
}
};