ctjs/build/SignedTreeHeadDataV2.js

CTjs is a full set of classes necessary to work with any kind of Certificate Transparency log (V1 as from RFC6962, or V2 as from RFC6962-bis). In CTjs you could find all necessary validation/verification functions for all related data shipped with full-fe

"use strict";

Object.defineProperty(exports, "__esModule", {
	value: true
});

var _asn1js = require("asn1js");

var asn1js = _interopRequireWildcard(_asn1js);

var _pvutils = require("pvutils");

var _utils = require("./utils.js");

var _TreeHeadDataV = require("./TreeHeadDataV2.js");

var _TreeHeadDataV2 = _interopRequireDefault(_TreeHeadDataV);

var _BaseClass = require("./BaseClass.js");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }

//**************************************************************************************
class SignedTreeHeadDataV2 extends _BaseClass.BaseClassSigned {
	//**********************************************************************************
	/**
  * Constructor for SignedTreeHeadDataV2 class
  * @param {Object} [parameters={}]
  * @property {Object} [schema] asn1js parsed value
  */
	constructor(parameters = {}) {
		super(parameters);

		//region Internal properties of the object
		/**
   * @type {String}
   * @description logID
   */
		this.logID = (0, _pvutils.getParametersValue)(parameters, "logID", SignedTreeHeadDataV2.constants("logID"));
		/**
   * @type {TreeHeadDataV2}
   * @description treeHead
   */
		this.treeHead = (0, _pvutils.getParametersValue)(parameters, "treeHead", SignedTreeHeadDataV2.constants("treeHead"));
		/**
   * @type {Object}
   * @description signature
   */
		this.signature = (0, _pvutils.getParametersValue)(parameters, "signature", SignedTreeHeadDataV2.constants("signature"));
		//endregion
	}
	//**********************************************************************************
	/**
  * Return value for a constant by name
  * @param {string} name String name for a constant
  */
	static constants(name) {
		switch (name) {
			case "logID":
				return "";
			case "treeHead":
				return new _TreeHeadDataV2.default();
			case "signature":
				return {};
			default:
				throw new Error(`Invalid constant name for SignedTreeHeadDataV2 class: ${name}`);
		}
	}
	//**********************************************************************************
	/**
  * Convert SeqStream data into current class
  * @param {!SeqStream} stream
  */
	fromStream(stream) {
		this.logID = _utils.utils.getOID(stream, "SignedTreeHeadDataV2");

		this.treeHead = new _TreeHeadDataV2.default({ stream });

		//region Signature
		const signatureLength = stream.getUint16();
		const signatureData = new Uint8Array(stream.getBlock(signatureLength)).buffer.slice(0);

		const asn1 = asn1js.fromBER(signatureData);
		if (asn1.offset === -1) throw new Error("Object's stream was not correct for SignedCertificateTimestampDataV2");

		this.signature = asn1.result;
		//endregion
	}
	//**********************************************************************************
	/**
  * Convert current object to SeqStream data
  * @param {!SeqStream} stream
  * @returns {boolean} Result of the function
  */
	toStream(stream) {
		_utils.utils.appendOID(this.logID, stream);

		this.treeHead.toStream(stream);

		stream.appendUint16(this.signature.byteLength);
		stream.appendView(new Uint8Array(this.signature));

		return true;
	}
	//**********************************************************************************
}
exports.default = SignedTreeHeadDataV2; //**************************************************************************************
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