ctjs/build/InclusionProofDataV2.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 _pvutils = require("pvutils");

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

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

//**************************************************************************************
class InclusionProofDataV2 extends _BaseClass.BaseClass {
	//**********************************************************************************
	/**
  * Constructor for InclusionProofDataV2 class
  * @param {Object} [parameters={}]
  * @property {Object} [schema] asn1js parsed value
  */
	constructor(parameters = {}) {
		super(parameters);

		//region Internal properties of the object
		/**
   * @type {String}
   * @description logID OID representing used Certificate Transparency Log
   */
		this.logID = (0, _pvutils.getParametersValue)(parameters, "logID", InclusionProofDataV2.constants("logID"));
		/**
   * @type {Number}
   * @description treeSize The size of the tree on which this inclusion proof is based
   */
		this.treeSize = (0, _pvutils.getParametersValue)(parameters, "treeSize", InclusionProofDataV2.constants("treeSize"));
		/**
   * @type {Number}
   * @description leafIndex The 0-based index of the log entry corresponding to this inclusion proof
   */
		this.leafIndex = (0, _pvutils.getParametersValue)(parameters, "leafIndex", InclusionProofDataV2.constants("leafIndex"));
		/**
   * @type {Array.<ArrayBuffer>}
   * @description inclusionPath
   */
		this.inclusionPath = (0, _pvutils.getParametersValue)(parameters, "inclusionPath", InclusionProofDataV2.constants("inclusionPath"));
		//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 "treeSize":
			case "leafIndex":
				return 0;
			case "inclusionPath":
				return [];
			default:
				throw new Error(`Invalid constant name for InclusionProofDataV2 class: ${name}`);
		}
	}
	//**********************************************************************************
	/**
  * Convert SeqStream data into current class
  * @param {!SeqStream} stream
  */
	fromStream(stream) {
		this.logID = _utils.utils.getOID(stream, "InclusionProofDataV2");
		this.treeSize = _utils.utils.getUint64(stream);
		this.leafIndex = _utils.utils.getUint64(stream);

		let pathLength = stream.getUint16();

		while (pathLength) {
			const hashLength = stream.getBlock(1)[0];
			this.inclusionPath.push(new Uint8Array(stream.getBlock(hashLength)).buffer.slice(0));
			pathLength--;
		}
	}
	//**********************************************************************************
	/**
  * Convert current object to SeqStream data
  * @param {!SeqStream} stream
  * @returns {boolean} Result of the function
  */
	toStream(stream) {
		_utils.utils.appendOID(this.logID, stream);
		_utils.utils.appendUint64(this.treeSize, stream);
		_utils.utils.appendUint64(this.leafIndex, stream);

		stream.appendUint16(this.inclusionPath.length);

		var _iteratorNormalCompletion = true;
		var _didIteratorError = false;
		var _iteratorError = undefined;

		try {
			for (var _iterator = this.inclusionPath[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
				const inclusion = _step.value;

				stream.appendChar(inclusion.byteLength);
				stream.appendView(new Uint8Array(inclusion));
			}
		} catch (err) {
			_didIteratorError = true;
			_iteratorError = err;
		} finally {
			try {
				if (!_iteratorNormalCompletion && _iterator.return) {
					_iterator.return();
				}
			} finally {
				if (_didIteratorError) {
					throw _iteratorError;
				}
			}
		}

		return true;
	}
	//**********************************************************************************
}
exports.default = InclusionProofDataV2; //**************************************************************************************
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