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asn1js_bundle.js
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asn1js_bundle.js
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(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.asn1js = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
const asn1js = require("asn1js"); // version 2.0.22
module.exports = {
asn1js,
};
},{"asn1js":2}],2:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.RawData = exports.Repeated = exports.Any = exports.Choice = exports.TIME = exports.Duration = exports.DateTime = exports.TimeOfDay = exports.DATE = exports.GeneralizedTime = exports.UTCTime = exports.CharacterString = exports.GeneralString = exports.VisibleString = exports.GraphicString = exports.IA5String = exports.VideotexString = exports.TeletexString = exports.PrintableString = exports.NumericString = exports.UniversalString = exports.BmpString = exports.Utf8String = exports.ObjectIdentifier = exports.Enumerated = exports.Integer = exports.BitString = exports.OctetString = exports.Null = exports.Set = exports.Sequence = exports.Boolean = exports.EndOfContent = exports.Constructed = exports.Primitive = exports.BaseBlock = undefined;
exports.fromBER = fromBER;
exports.compareSchema = compareSchema;
exports.verifySchema = verifySchema;
exports.fromJSON = fromJSON;
var _pvutils = require("pvutils");
//**************************************************************************************
//region Declaration of global variables
//**************************************************************************************
const powers2 = [new Uint8Array([1])]; /* eslint-disable indent */
/*
* Copyright (c) 2016-2018, Peculiar Ventures
* All rights reserved.
*
* Author 2016-2018, Yury Strozhevsky <www.strozhevsky.com>.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
*/
//**************************************************************************************
const digitsString = "0123456789";
//**************************************************************************************
//endregion
//**************************************************************************************
//region Declaration for "LocalBaseBlock" class
//**************************************************************************************
/**
* Class used as a base block for all remaining ASN.1 classes
* @typedef LocalBaseBlock
* @interface
* @property {number} blockLength
* @property {string} error
* @property {Array.<string>} warnings
* @property {ArrayBuffer} valueBeforeDecode
*/
class LocalBaseBlock {
//**********************************************************************************
/**
* Constructor for "LocalBaseBlock" class
* @param {Object} [parameters={}]
* @property {ArrayBuffer} [valueBeforeDecode]
*/
constructor(parameters = {}) {
/**
* @type {number} blockLength
*/
this.blockLength = (0, _pvutils.getParametersValue)(parameters, "blockLength", 0);
/**
* @type {string} error
*/
this.error = (0, _pvutils.getParametersValue)(parameters, "error", "");
/**
* @type {Array.<string>} warnings
*/
this.warnings = (0, _pvutils.getParametersValue)(parameters, "warnings", []);
//noinspection JSCheckFunctionSignatures
/**
* @type {ArrayBuffer} valueBeforeDecode
*/
if ("valueBeforeDecode" in parameters) this.valueBeforeDecode = parameters.valueBeforeDecode.slice(0);else this.valueBeforeDecode = new ArrayBuffer(0);
}
//**********************************************************************************
/**
* Aux function, need to get a block name. Need to have it here for inhiritence
* @returns {string}
*/
static blockName() {
return "baseBlock";
}
//**********************************************************************************
/**
* Convertion for the block to JSON object
* @returns {{blockName: string, blockLength: number, error: string, warnings: Array.<string>, valueBeforeDecode: string}}
*/
toJSON() {
return {
blockName: this.constructor.blockName(),
blockLength: this.blockLength,
error: this.error,
warnings: this.warnings,
valueBeforeDecode: (0, _pvutils.bufferToHexCodes)(this.valueBeforeDecode, 0, this.valueBeforeDecode.byteLength)
};
}
//**********************************************************************************
}
//**************************************************************************************
//endregion
//**************************************************************************************
//region Description for "LocalHexBlock" class
//**************************************************************************************
/**
* Class used as a base block for all remaining ASN.1 classes
* @extends LocalBaseBlock
* @typedef LocalHexBlock
* @property {number} blockLength
* @property {string} error
* @property {Array.<string>} warnings
* @property {ArrayBuffer} valueBeforeDecode
* @property {boolean} isHexOnly
* @property {ArrayBuffer} valueHex
*/
//noinspection JSUnusedLocalSymbols
const LocalHexBlock = BaseClass => class LocalHexBlockMixin extends BaseClass {
//**********************************************************************************
//noinspection JSUnusedGlobalSymbols
/**
* Constructor for "LocalHexBlock" class
* @param {Object} [parameters={}]
* @property {ArrayBuffer} [valueHex]
*/
constructor(parameters = {}) {
super(parameters);
/**
* @type {boolean}
*/
this.isHexOnly = (0, _pvutils.getParametersValue)(parameters, "isHexOnly", false);
/**
* @type {ArrayBuffer}
*/
if ("valueHex" in parameters) this.valueHex = parameters.valueHex.slice(0);else this.valueHex = new ArrayBuffer(0);
}
//**********************************************************************************
/**
* Aux function, need to get a block name. Need to have it here for inhiritence
* @returns {string}
*/
static blockName() {
return "hexBlock";
}
//**********************************************************************************
/**
* Base function for converting block from BER encoded array of bytes
* @param {!ArrayBuffer} inputBuffer ASN.1 BER encoded array
* @param {!number} inputOffset Offset in ASN.1 BER encoded array where decoding should be started
* @param {!number} inputLength Maximum length of array of bytes which can be using in this function
* @returns {number} Offset after least decoded byte
*/
fromBER(inputBuffer, inputOffset, inputLength) {
//region Basic check for parameters
//noinspection JSCheckFunctionSignatures
if ((0, _pvutils.checkBufferParams)(this, inputBuffer, inputOffset, inputLength) === false) return -1;
//endregion
//region Getting Uint8Array from ArrayBuffer
const intBuffer = new Uint8Array(inputBuffer, inputOffset, inputLength);
//endregion
//region Initial checks
if (intBuffer.length === 0) {
this.warnings.push("Zero buffer length");
return inputOffset;
}
//endregion
//region Copy input buffer to internal buffer
this.valueHex = inputBuffer.slice(inputOffset, inputOffset + inputLength);
//endregion
this.blockLength = inputLength;
return inputOffset + inputLength;
}
//**********************************************************************************
/**
* Encoding of current ASN.1 block into ASN.1 encoded array (BER rules)
* @param {boolean} [sizeOnly=false] Flag that we need only a size of encoding, not a real array of bytes
* @returns {ArrayBuffer}
*/
toBER(sizeOnly = false) {
if (this.isHexOnly !== true) {
this.error = "Flag \"isHexOnly\" is not set, abort";
return new ArrayBuffer(0);
}
if (sizeOnly === true) return new ArrayBuffer(this.valueHex.byteLength);
//noinspection JSCheckFunctionSignatures
return this.valueHex.slice(0);
}
//**********************************************************************************
/**
* Convertion for the block to JSON object
* @returns {Object}
*/
toJSON() {
let object = {};
//region Seems at the moment (Sep 2016) there is no way how to check method is supported in "super" object
try {
object = super.toJSON();
} catch (ex) {}
//endregion
object.blockName = this.constructor.blockName();
object.isHexOnly = this.isHexOnly;
object.valueHex = (0, _pvutils.bufferToHexCodes)(this.valueHex, 0, this.valueHex.byteLength);
return object;
}
//**********************************************************************************
};
//**************************************************************************************
//endregion
//**************************************************************************************
//region Declaration of identification block class
//**************************************************************************************
class LocalIdentificationBlock extends LocalHexBlock(LocalBaseBlock) {
//**********************************************************************************
/**
* Constructor for "LocalBaseBlock" class
* @param {Object} [parameters={}]
* @property {Object} [idBlock]
*/
constructor(parameters = {}) {
super();
if ("idBlock" in parameters) {
//region Properties from hexBlock class
this.isHexOnly = (0, _pvutils.getParametersValue)(parameters.idBlock, "isHexOnly", false);
this.valueHex = (0, _pvutils.getParametersValue)(parameters.idBlock, "valueHex", new ArrayBuffer(0));
//endregion
this.tagClass = (0, _pvutils.getParametersValue)(parameters.idBlock, "tagClass", -1);
this.tagNumber = (0, _pvutils.getParametersValue)(parameters.idBlock, "tagNumber", -1);
this.isConstructed = (0, _pvutils.getParametersValue)(parameters.idBlock, "isConstructed", false);
} else {
this.tagClass = -1;
this.tagNumber = -1;
this.isConstructed = false;
}
}
//**********************************************************************************
/**
* Aux function, need to get a block name. Need to have it here for inhiritence
* @returns {string}
*/
static blockName() {
return "identificationBlock";
}
//**********************************************************************************
/**
* Encoding of current ASN.1 block into ASN.1 encoded array (BER rules)
* @param {boolean} [sizeOnly=false] Flag that we need only a size of encoding, not a real array of bytes
* @returns {ArrayBuffer}
*/
toBER(sizeOnly = false) {
//region Initial variables
let firstOctet = 0;
let retBuf;
let retView;
//endregion
switch (this.tagClass) {
case 1:
firstOctet |= 0x00; // UNIVERSAL
break;
case 2:
firstOctet |= 0x40; // APPLICATION
break;
case 3:
firstOctet |= 0x80; // CONTEXT-SPECIFIC
break;
case 4:
firstOctet |= 0xC0; // PRIVATE
break;
default:
this.error = "Unknown tag class";
return new ArrayBuffer(0);
}
if (this.isConstructed) firstOctet |= 0x20;
if (this.tagNumber < 31 && !this.isHexOnly) {
retBuf = new ArrayBuffer(1);
retView = new Uint8Array(retBuf);
if (!sizeOnly) {
let number = this.tagNumber;
number &= 0x1F;
firstOctet |= number;
retView[0] = firstOctet;
}
return retBuf;
}
if (this.isHexOnly === false) {
const encodedBuf = (0, _pvutils.utilToBase)(this.tagNumber, 7);
const encodedView = new Uint8Array(encodedBuf);
const size = encodedBuf.byteLength;
retBuf = new ArrayBuffer(size + 1);
retView = new Uint8Array(retBuf);
retView[0] = firstOctet | 0x1F;
if (!sizeOnly) {
for (let i = 0; i < size - 1; i++) retView[i + 1] = encodedView[i] | 0x80;
retView[size] = encodedView[size - 1];
}
return retBuf;
}
retBuf = new ArrayBuffer(this.valueHex.byteLength + 1);
retView = new Uint8Array(retBuf);
retView[0] = firstOctet | 0x1F;
if (sizeOnly === false) {
const curView = new Uint8Array(this.valueHex);
for (let i = 0; i < curView.length - 1; i++) retView[i + 1] = curView[i] | 0x80;
retView[this.valueHex.byteLength] = curView[curView.length - 1];
}
return retBuf;
}
//**********************************************************************************
/**
* Base function for converting block from BER encoded array of bytes
* @param {!ArrayBuffer} inputBuffer ASN.1 BER encoded array
* @param {!number} inputOffset Offset in ASN.1 BER encoded array where decoding should be started
* @param {!number} inputLength Maximum length of array of bytes which can be using in this function
* @returns {number}
*/
fromBER(inputBuffer, inputOffset, inputLength) {
//region Basic check for parameters
//noinspection JSCheckFunctionSignatures
if ((0, _pvutils.checkBufferParams)(this, inputBuffer, inputOffset, inputLength) === false) return -1;
//endregion
//region Getting Uint8Array from ArrayBuffer
const intBuffer = new Uint8Array(inputBuffer, inputOffset, inputLength);
//endregion
//region Initial checks
if (intBuffer.length === 0) {
this.error = "Zero buffer length";
return -1;
}
//endregion
//region Find tag class
const tagClassMask = intBuffer[0] & 0xC0;
switch (tagClassMask) {
case 0x00:
this.tagClass = 1; // UNIVERSAL
break;
case 0x40:
this.tagClass = 2; // APPLICATION
break;
case 0x80:
this.tagClass = 3; // CONTEXT-SPECIFIC
break;
case 0xC0:
this.tagClass = 4; // PRIVATE
break;
default:
this.error = "Unknown tag class";
return -1;
}
//endregion
//region Find it's constructed or not
this.isConstructed = (intBuffer[0] & 0x20) === 0x20;
//endregion
//region Find tag number
this.isHexOnly = false;
const tagNumberMask = intBuffer[0] & 0x1F;
//region Simple case (tag number < 31)
if (tagNumberMask !== 0x1F) {
this.tagNumber = tagNumberMask;
this.blockLength = 1;
}
//endregion
//region Tag number bigger or equal to 31
else {
let count = 1;
this.valueHex = new ArrayBuffer(255);
let tagNumberBufferMaxLength = 255;
let intTagNumberBuffer = new Uint8Array(this.valueHex);
//noinspection JSBitwiseOperatorUsage
while (intBuffer[count] & 0x80) {
intTagNumberBuffer[count - 1] = intBuffer[count] & 0x7F;
count++;
if (count >= intBuffer.length) {
this.error = "End of input reached before message was fully decoded";
return -1;
}
//region In case if tag number length is greater than 255 bytes (rare but possible case)
if (count === tagNumberBufferMaxLength) {
tagNumberBufferMaxLength += 255;
const tempBuffer = new ArrayBuffer(tagNumberBufferMaxLength);
const tempBufferView = new Uint8Array(tempBuffer);
for (let i = 0; i < intTagNumberBuffer.length; i++) tempBufferView[i] = intTagNumberBuffer[i];
this.valueHex = new ArrayBuffer(tagNumberBufferMaxLength);
intTagNumberBuffer = new Uint8Array(this.valueHex);
}
//endregion
}
this.blockLength = count + 1;
intTagNumberBuffer[count - 1] = intBuffer[count] & 0x7F; // Write last byte to buffer
//region Cut buffer
const tempBuffer = new ArrayBuffer(count);
const tempBufferView = new Uint8Array(tempBuffer);
for (let i = 0; i < count; i++) tempBufferView[i] = intTagNumberBuffer[i];
this.valueHex = new ArrayBuffer(count);
intTagNumberBuffer = new Uint8Array(this.valueHex);
intTagNumberBuffer.set(tempBufferView);
//endregion
//region Try to convert long tag number to short form
if (this.blockLength <= 9) this.tagNumber = (0, _pvutils.utilFromBase)(intTagNumberBuffer, 7);else {
this.isHexOnly = true;
this.warnings.push("Tag too long, represented as hex-coded");
}
//endregion
}
//endregion
//endregion
//region Check if constructed encoding was using for primitive type
if (this.tagClass === 1 && this.isConstructed) {
switch (this.tagNumber) {
case 1: // Boolean
case 2: // REAL
case 5: // Null
case 6: // OBJECT IDENTIFIER
case 9: // REAL
case 14: // Time
case 23:
case 24:
case 31:
case 32:
case 33:
case 34:
this.error = "Constructed encoding used for primitive type";
return -1;
default:
}
}
//endregion
return inputOffset + this.blockLength; // Return current offset in input buffer
}
//**********************************************************************************
/**
* Convertion for the block to JSON object
* @returns {{blockName: string,
* tagClass: number,
* tagNumber: number,
* isConstructed: boolean,
* isHexOnly: boolean,
* valueHex: ArrayBuffer,
* blockLength: number,
* error: string, warnings: Array.<string>,
* valueBeforeDecode: string}}
*/
toJSON() {
let object = {};
//region Seems at the moment (Sep 2016) there is no way how to check method is supported in "super" object
try {
object = super.toJSON();
} catch (ex) {}
//endregion
object.blockName = this.constructor.blockName();
object.tagClass = this.tagClass;
object.tagNumber = this.tagNumber;
object.isConstructed = this.isConstructed;
return object;
}
//**********************************************************************************
}
//**************************************************************************************
//endregion
//**************************************************************************************
//region Declaration of length block class
//**************************************************************************************
class LocalLengthBlock extends LocalBaseBlock {
//**********************************************************************************
/**
* Constructor for "LocalLengthBlock" class
* @param {Object} [parameters={}]
* @property {Object} [lenBlock]
*/
constructor(parameters = {}) {
super();
if ("lenBlock" in parameters) {
this.isIndefiniteForm = (0, _pvutils.getParametersValue)(parameters.lenBlock, "isIndefiniteForm", false);
this.longFormUsed = (0, _pvutils.getParametersValue)(parameters.lenBlock, "longFormUsed", false);
this.length = (0, _pvutils.getParametersValue)(parameters.lenBlock, "length", 0);
} else {
this.isIndefiniteForm = false;
this.longFormUsed = false;
this.length = 0;
}
}
//**********************************************************************************
/**
* Aux function, need to get a block name. Need to have it here for inhiritence
* @returns {string}
*/
static blockName() {
return "lengthBlock";
}
//**********************************************************************************
/**
* Base function for converting block from BER encoded array of bytes
* @param {!ArrayBuffer} inputBuffer ASN.1 BER encoded array
* @param {!number} inputOffset Offset in ASN.1 BER encoded array where decoding should be started
* @param {!number} inputLength Maximum length of array of bytes which can be using in this function
* @returns {number}
*/
fromBER(inputBuffer, inputOffset, inputLength) {
//region Basic check for parameters
//noinspection JSCheckFunctionSignatures
if ((0, _pvutils.checkBufferParams)(this, inputBuffer, inputOffset, inputLength) === false) return -1;
//endregion
//region Getting Uint8Array from ArrayBuffer
const intBuffer = new Uint8Array(inputBuffer, inputOffset, inputLength);
//endregion
//region Initial checks
if (intBuffer.length === 0) {
this.error = "Zero buffer length";
return -1;
}
if (intBuffer[0] === 0xFF) {
this.error = "Length block 0xFF is reserved by standard";
return -1;
}
//endregion
//region Check for length form type
this.isIndefiniteForm = intBuffer[0] === 0x80;
//endregion
//region Stop working in case of indefinite length form
if (this.isIndefiniteForm === true) {
this.blockLength = 1;
return inputOffset + this.blockLength;
}
//endregion
//region Check is long form of length encoding using
this.longFormUsed = !!(intBuffer[0] & 0x80);
//endregion
//region Stop working in case of short form of length value
if (this.longFormUsed === false) {
this.length = intBuffer[0];
this.blockLength = 1;
return inputOffset + this.blockLength;
}
//endregion
//region Calculate length value in case of long form
const count = intBuffer[0] & 0x7F;
if (count > 8) // Too big length value
{
this.error = "Too big integer";
return -1;
}
if (count + 1 > intBuffer.length) {
this.error = "End of input reached before message was fully decoded";
return -1;
}
const lengthBufferView = new Uint8Array(count);
for (let i = 0; i < count; i++) lengthBufferView[i] = intBuffer[i + 1];
if (lengthBufferView[count - 1] === 0x00) this.warnings.push("Needlessly long encoded length");
this.length = (0, _pvutils.utilFromBase)(lengthBufferView, 8);
if (this.longFormUsed && this.length <= 127) this.warnings.push("Unneccesary usage of long length form");
this.blockLength = count + 1;
//endregion
return inputOffset + this.blockLength; // Return current offset in input buffer
}
//**********************************************************************************
/**
* Encoding of current ASN.1 block into ASN.1 encoded array (BER rules)
* @param {boolean} [sizeOnly=false] Flag that we need only a size of encoding, not a real array of bytes
* @returns {ArrayBuffer}
*/
toBER(sizeOnly = false) {
//region Initial variables
let retBuf;
let retView;
//endregion
if (this.length > 127) this.longFormUsed = true;
if (this.isIndefiniteForm) {
retBuf = new ArrayBuffer(1);
if (sizeOnly === false) {
retView = new Uint8Array(retBuf);
retView[0] = 0x80;
}
return retBuf;
}
if (this.longFormUsed === true) {
const encodedBuf = (0, _pvutils.utilToBase)(this.length, 8);
if (encodedBuf.byteLength > 127) {
this.error = "Too big length";
return new ArrayBuffer(0);
}
retBuf = new ArrayBuffer(encodedBuf.byteLength + 1);
if (sizeOnly === true) return retBuf;
const encodedView = new Uint8Array(encodedBuf);
retView = new Uint8Array(retBuf);
retView[0] = encodedBuf.byteLength | 0x80;
for (let i = 0; i < encodedBuf.byteLength; i++) retView[i + 1] = encodedView[i];
return retBuf;
}
retBuf = new ArrayBuffer(1);
if (sizeOnly === false) {
retView = new Uint8Array(retBuf);
retView[0] = this.length;
}
return retBuf;
}
//**********************************************************************************
/**
* Convertion for the block to JSON object
* @returns {{blockName, blockLength, error, warnings, valueBeforeDecode}|{blockName: string, blockLength: number, error: string, warnings: Array.<string>, valueBeforeDecode: string}}
*/
toJSON() {
let object = {};
//region Seems at the moment (Sep 2016) there is no way how to check method is supported in "super" object
try {
object = super.toJSON();
} catch (ex) {}
//endregion
object.blockName = this.constructor.blockName();
object.isIndefiniteForm = this.isIndefiniteForm;
object.longFormUsed = this.longFormUsed;
object.length = this.length;
return object;
}
//**********************************************************************************
}
//**************************************************************************************
//endregion
//**************************************************************************************
//region Declaration of value block class
//**************************************************************************************
class LocalValueBlock extends LocalBaseBlock {
//**********************************************************************************
/**
* Constructor for "LocalValueBlock" class
* @param {Object} [parameters={}]
*/
constructor(parameters = {}) {
super(parameters);
}
//**********************************************************************************
/**
* Aux function, need to get a block name. Need to have it here for inhiritence
* @returns {string}
*/
static blockName() {
return "valueBlock";
}
//**********************************************************************************
//noinspection JSUnusedLocalSymbols,JSUnusedLocalSymbols,JSUnusedLocalSymbols
/**
* Base function for converting block from BER encoded array of bytes
* @param {!ArrayBuffer} inputBuffer ASN.1 BER encoded array
* @param {!number} inputOffset Offset in ASN.1 BER encoded array where decoding should be started
* @param {!number} inputLength Maximum length of array of bytes which can be using in this function
* @returns {number}
*/
fromBER(inputBuffer, inputOffset, inputLength) {
//region Throw an exception for a function which needs to be specified in extended classes
throw TypeError("User need to make a specific function in a class which extends \"LocalValueBlock\"");
//endregion
}
//**********************************************************************************
//noinspection JSUnusedLocalSymbols
/**
* Encoding of current ASN.1 block into ASN.1 encoded array (BER rules)
* @param {boolean} [sizeOnly=false] Flag that we need only a size of encoding, not a real array of bytes
* @returns {ArrayBuffer}
*/
toBER(sizeOnly = false) {
//region Throw an exception for a function which needs to be specified in extended classes
throw TypeError("User need to make a specific function in a class which extends \"LocalValueBlock\"");
//endregion
}
//**********************************************************************************
}
//**************************************************************************************
//endregion
//**************************************************************************************
//region Declaration of basic ASN.1 block class
//**************************************************************************************
class BaseBlock extends LocalBaseBlock {
//**********************************************************************************
/**
* Constructor for "BaseBlock" class
* @param {Object} [parameters={}]
* @property {Object} [primitiveSchema]
* @property {string} [name]
* @property {boolean} [optional]
* @param valueBlockType Type of value block
*/
constructor(parameters = {}, valueBlockType = LocalValueBlock) {
super(parameters);
if ("name" in parameters) this.name = parameters.name;
if ("optional" in parameters) this.optional = parameters.optional;
if ("primitiveSchema" in parameters) this.primitiveSchema = parameters.primitiveSchema;
this.idBlock = new LocalIdentificationBlock(parameters);
this.lenBlock = new LocalLengthBlock(parameters);
this.valueBlock = new valueBlockType(parameters);
}
//**********************************************************************************
/**
* Aux function, need to get a block name. Need to have it here for inhiritence
* @returns {string}
*/
static blockName() {
return "BaseBlock";
}
//**********************************************************************************
/**
* Base function for converting block from BER encoded array of bytes
* @param {!ArrayBuffer} inputBuffer ASN.1 BER encoded array
* @param {!number} inputOffset Offset in ASN.1 BER encoded array where decoding should be started
* @param {!number} inputLength Maximum length of array of bytes which can be using in this function
* @returns {number}
*/
fromBER(inputBuffer, inputOffset, inputLength) {
const resultOffset = this.valueBlock.fromBER(inputBuffer, inputOffset, this.lenBlock.isIndefiniteForm === true ? inputLength : this.lenBlock.length);
if (resultOffset === -1) {
this.error = this.valueBlock.error;
return resultOffset;
}
if (this.idBlock.error.length === 0) this.blockLength += this.idBlock.blockLength;
if (this.lenBlock.error.length === 0) this.blockLength += this.lenBlock.blockLength;
if (this.valueBlock.error.length === 0) this.blockLength += this.valueBlock.blockLength;
return resultOffset;
}
//**********************************************************************************
/**
* Encoding of current ASN.1 block into ASN.1 encoded array (BER rules)
* @param {boolean} [sizeOnly=false] Flag that we need only a size of encoding, not a real array of bytes
* @returns {ArrayBuffer}
*/
toBER(sizeOnly = false) {
let retBuf;
const idBlockBuf = this.idBlock.toBER(sizeOnly);
const valueBlockSizeBuf = this.valueBlock.toBER(true);
this.lenBlock.length = valueBlockSizeBuf.byteLength;
const lenBlockBuf = this.lenBlock.toBER(sizeOnly);
retBuf = (0, _pvutils.utilConcatBuf)(idBlockBuf, lenBlockBuf);
let valueBlockBuf;
if (sizeOnly === false) valueBlockBuf = this.valueBlock.toBER(sizeOnly);else valueBlockBuf = new ArrayBuffer(this.lenBlock.length);
retBuf = (0, _pvutils.utilConcatBuf)(retBuf, valueBlockBuf);
if (this.lenBlock.isIndefiniteForm === true) {
const indefBuf = new ArrayBuffer(2);
if (sizeOnly === false) {
const indefView = new Uint8Array(indefBuf);
indefView[0] = 0x00;
indefView[1] = 0x00;
}
retBuf = (0, _pvutils.utilConcatBuf)(retBuf, indefBuf);
}
return retBuf;
}
//**********************************************************************************
/**
* Convertion for the block to JSON object
* @returns {{blockName, blockLength, error, warnings, valueBeforeDecode}|{blockName: string, blockLength: number, error: string, warnings: Array.<string>, valueBeforeDecode: string}}
*/
toJSON() {
let object = {};
//region Seems at the moment (Sep 2016) there is no way how to check method is supported in "super" object
try {
object = super.toJSON();
} catch (ex) {}
//endregion
object.idBlock = this.idBlock.toJSON();
object.lenBlock = this.lenBlock.toJSON();
object.valueBlock = this.valueBlock.toJSON();
if ("name" in this) object.name = this.name;
if ("optional" in this) object.optional = this.optional;
if ("primitiveSchema" in this) object.primitiveSchema = this.primitiveSchema.toJSON();
return object;
}
//**********************************************************************************
}
exports.BaseBlock = BaseBlock; //**************************************************************************************
//endregion
//**************************************************************************************
//region Declaration of basic block for all PRIMITIVE types
//**************************************************************************************
class LocalPrimitiveValueBlock extends LocalValueBlock {
//**********************************************************************************
/**
* Constructor for "LocalPrimitiveValueBlock" class
* @param {Object} [parameters={}]
* @property {ArrayBuffer} [valueBeforeDecode]
*/
constructor(parameters = {}) {
super(parameters);
//region Variables from "hexBlock" class
if ("valueHex" in parameters) this.valueHex = parameters.valueHex.slice(0);else this.valueHex = new ArrayBuffer(0);
this.isHexOnly = (0, _pvutils.getParametersValue)(parameters, "isHexOnly", true);
//endregion
}
//**********************************************************************************
/**
* Base function for converting block from BER encoded array of bytes
* @param {!ArrayBuffer} inputBuffer ASN.1 BER encoded array
* @param {!number} inputOffset Offset in ASN.1 BER encoded array where decoding should be started
* @param {!number} inputLength Maximum length of array of bytes which can be using in this function
* @returns {number}
*/
fromBER(inputBuffer, inputOffset, inputLength) {
//region Basic check for parameters
//noinspection JSCheckFunctionSignatures
if ((0, _pvutils.checkBufferParams)(this, inputBuffer, inputOffset, inputLength) === false) return -1;
//endregion
//region Getting Uint8Array from ArrayBuffer
const intBuffer = new Uint8Array(inputBuffer, inputOffset, inputLength);
//endregion
//region Initial checks
if (intBuffer.length === 0) {
this.warnings.push("Zero buffer length");
return inputOffset;
}
//endregion
//region Copy input buffer into internal buffer
this.valueHex = new ArrayBuffer(intBuffer.length);
const valueHexView = new Uint8Array(this.valueHex);
for (let i = 0; i < intBuffer.length; i++) valueHexView[i] = intBuffer[i];
//endregion
this.blockLength = inputLength;
return inputOffset + inputLength;
}
//**********************************************************************************
//noinspection JSUnusedLocalSymbols
/**
* Encoding of current ASN.1 block into ASN.1 encoded array (BER rules)
* @param {boolean} [sizeOnly=false] Flag that we need only a size of encoding, not a real array of bytes
* @returns {ArrayBuffer}
*/
toBER(sizeOnly = false) {
return this.valueHex.slice(0);
}
//**********************************************************************************
/**
* Aux function, need to get a block name. Need to have it here for inhiritence
* @returns {string}
*/
static blockName() {
return "PrimitiveValueBlock";
}
//**********************************************************************************
/**
* Convertion for the block to JSON object
* @returns {{blockName, blockLength, error, warnings, valueBeforeDecode}|{blockName: string, blockLength: number, error: string, warnings: Array.<string>, valueBeforeDecode: string}}
*/
toJSON() {
let object = {};
//region Seems at the moment (Sep 2016) there is no way how to check method is supported in "super" object
try {
object = super.toJSON();
} catch (ex) {}
//endregion
object.valueHex = (0, _pvutils.bufferToHexCodes)(this.valueHex, 0, this.valueHex.byteLength);
object.isHexOnly = this.isHexOnly;
return object;
}
//**********************************************************************************