plivo/dist/utils/jwt.js

A Node.js SDK to make voice calls and send SMS using Plivo and to generate Plivo XML

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.AccessToken = AccessToken;
var jwt = require('jsonwebtoken');

function AccessToken(authId, authToken, username) {
  var validityOptions = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
  var uid = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : null;

  this.authId = authId || process.env.PLIVO_AUTH_ID;
  this.key = authToken || process.env.PLIVO_AUTH_TOKEN;
  this.username = username;

  if (this.authId == null) {
    throw new Error("Please provide authId");
  }
  if (this.key == null) {
    throw new Error("Please provide authToken");
  }

  if (this.username == null) {
    throw new Error("Please provide username");
  }

  if (validityOptions.validFrom != null) {
    if (validityOptions.lifetime != null && validityOptions.validTill != null) {
      throw new Error("Please define at maximum any two of validFrom, lifetime and validTill");
    }
    this.validFrom = validityOptions.validFrom;
    if (validityOptions.validTill != null) {
      this.lifetime = validityOptions.validTill - this.validFrom;
    } else {
      this.lifetime = validityOptions.lifetime || 86400;
    }
  } else {
    this.lifetime = validityOptions.lifetime || 86400;
    if (validityOptions.validTill != null) {
      this.validFrom = validityOptions.validTill - this.lifetime;
    } else {
      this.validFrom = new Date().getTime() / 1000;
    }
  }
  this.uid = uid || this.username + "-" + new Date().getTime();
}

AccessToken.prototype = {
  addVoiceGrants: function addVoiceGrants() {
    var incoming = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
    var outgoing = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

    this.grants = {
      voice: {
        incoming_allow: incoming,
        outgoing_allow: outgoing
      }
    };
  },
  toJwt: function toJwt() {
    var payload = {
      jti: this.uid,
      iss: this.authId,
      sub: this.username,
      nbf: Math.floor(this.validFrom),
      exp: Math.floor(this.validFrom + this.lifetime),
      grants: this.grants
    };
    var options = {
      header: {
        typ: "JWT",
        cty: "plivo;v=1"
      },
      noTimestamp: true
    };
    return jwt.sign(payload, this.key, options);
  }
};