@xnstream/player-sdk/dist/utils/mediaSession.js

XStream Player SDK - A powerful video player SDK for streaming content

import { generateSignature, base64Encode, generateRandomSalt } from './crypto';
import { unixTimestamp, getRandomSpecialCharacter, shuffleArray } from './utils';
const generateMediaSignature = (context, aps) => {
    const nce = generateRandomSalt();
    const at = unixTimestamp();
    const ss = getRandomSpecialCharacter();
    const csparams = shuffleArray(['app_id', 'at', 'nce', 'slo']);
    const resource = context.rs;
    const message = csparams.map(el => {
        switch (el) {
            case 'app_id':
                return context.app_id;
            case 'at':
                return at;
            case 'nce':
                return nce;
            case 'slo':
                return context.slo;
            default:
                return '';
        }
    });
    const sigMessage = [...message, resource].join(ss);
    return {
        app_id: context.app_id,
        platform: 'web',
        device: context.device,
        csparams: csparams.join(','),
        resource: context.rs,
        ssparams: ['ts', 'exp'],
        hservice: 'edge_nova_sec',
        slo: base64Encode(new TextEncoder().encode(context.slo)),
        ss: ss,
        at: at,
        nce: nce,
        sid: context.sid,
        sig: base64Encode(generateSignature(sigMessage, aps)),
    };
};
export async function fetchMediaSession(baseUrl, context, aps) {
    const sig = generateMediaSignature(context, aps);
    const response = await fetch(`${baseUrl}/playback/url`, {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json',
        },
        body: JSON.stringify(sig),
    });
    if (!response.ok) {
        throw new Error('Failed to fetch media session');
    }
    return response.json();
}
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