@albedo-link/intent/src/implicit-session.js

A lightweight browser wrapper for Albedo API that provides a promise-based interface for all supported intents.

function ImplicitSession({session, pubkey, grants, valid_until}) {
    this.key = session
    this.pubkey = pubkey
    this.grants = grants.slice()
    this.validUntil = valid_until
    //prevent accidental changes
    Object.freeze(this)
    Object.freeze(this.grants)
}

ImplicitSession.prototype = {
    /**
     * Unique session key.
     * @type {String}
     */
    key: '',

    /**
     * Public key of the key pair used to authorize the session.
     * @type {String}
     */
    pubkey: '',

    /**
     * Granted permissions.
     * @type {Array<String>}
     */
    grants: [],

    /**
     * Time-to-live.
     * @type {Number}
     */
    validUntil: 0,

    /**
     * Check whether the session is expired or not.
     * @return {boolean}
     */
    get isExpired() {
        //2 seconds reserve
        return this.validUntil - 2000 < new Date().getTime()
    },

    toJSON() {
        return {
            session: this.key,
            pubkey: this.pubkey,
            grants: this.grants.slice(),
            valid_until: this.validUntil
        }
    }
}

export default ImplicitSession