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cadesjs

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CAdESjs gives you an ability to make CAdES signatures on pure JavaScript. The libray made with latest CAdES standards in mind

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import * as asn1js from "asn1js"; import { getParametersValue } from "pvutils"; import NoticeReference from "./NoticeReference.js"; //************************************************************************************** // noinspection JSUnusedGlobalSymbols export default class SPUserNotice { //********************************************************************************** /** * Constructor for SPUserNotice class * @param {Object} [parameters={}] * @property {Object} [schema] asn1js parsed value */ constructor(parameters = {}) { //region Internal properties of the object if("noticeRef" in parameters) /** * @type {NoticeReference} * @description noticeRef */ this.noticeRef = getParametersValue(parameters, "noticeRef", SPUserNotice.defaultValues("noticeRef")); if("explicitText" in parameters) { /** * @type {string} * @description explicitText */ this.explicitText = getParametersValue(parameters, "explicitText", SPUserNotice.defaultValues("explicitText")); this._explicitTextType = (-1); // 0 - VISIBLESTRING, 1 - BMPSTRING, 2 - UTF8STRING } //endregion //region If input argument array contains "schema" for this object if("schema" in parameters) this.fromSchema(parameters.schema); //endregion } //********************************************************************************** /** * Return default values for all class members * @param {string} memberName String name for a class member */ static defaultValues(memberName) { switch(memberName) { case "noticeRef": return new NoticeReference(); case "explicitText": return ""; default: throw new Error(`Invalid member name for SPUserNotice class: ${memberName}`); } } //********************************************************************************** /** * Compare values with default values for all class members * @param {string} memberName String name for a class member * @param {*} memberValue Value to compare with default value */ static compareWithDefault(memberName, memberValue) { switch(memberName) { case "noticeRef": return ((NoticeReference.compareWithDefault("organization", memberValue.organization)) && (NoticeReference.compareWithDefault("noticeNumbers", memberValue.noticeNumbers))); case "explicitText": return (memberValue === ""); default: throw new Error(`Invalid member name for SPUserNotice class: ${memberName}`); } } //********************************************************************************** /** * Return value of asn1js schema for current class * @param {Object} parameters Input parameters for the schema * @returns {Object} asn1js schema object */ static schema(parameters = {}) { // SPUserNotice ::= SEQUENCE { // noticeRef NoticeReference OPTIONAL, // explicitText DisplayText OPTIONAL} /** * @type {Object} * @property {string} [blockName] * @property {string} [sPUserNotice] * @property {string} [explicitText] */ const names = getParametersValue(parameters, "names", {}); return (new asn1js.Sequence({ name: (names.blockName || ""), value: [ NoticeReference.schema(names.sPUserNotice || { names: { blockName: "", optional: true } }), new asn1js.Choice({ value: [ new asn1js.VisibleString({ name: (names.explicitText || "") }), new asn1js.BmpString({ name: (names.explicitText || "") }), new asn1js.Utf8String({ name: (names.explicitText || "") }) ] }) ] })); } //********************************************************************************** /** * Convert parsed asn1js object into current class * @param {!Object} schema */ fromSchema(schema) { //region Check the schema is valid const asn1 = asn1js.compareSchema(schema, schema, SPUserNotice.schema({ names: { noticeRef: { names: { blockName: "noticeRef" } }, explicitText: "explicitText" } }) ); if(asn1.verified === false) throw new Error("Object's schema was not verified against input data for SPUserNotice"); //endregion //region Get internal properties from parsed schema if("noticeRef" in asn1.result) this.noticeRef = new NoticeReference({ schema: asn1.result.noticeRef }); if("explicitText" in asn1.result) { this.explicitText = asn1.result.explicitText.valueBlock.value; switch(asn1.result.explicitText.idBlock.tagNumber) { case 26: // VISIBLESTRING this._explicitTextType = 0; break; case 30: // BMPSTRING this._explicitTextType = 1; break; case 12: // UTF8STRING this._explicitTextType = 2; break; default: throw new Error("Object's schema was not verified against input data for SPUserNotice"); } } //endregion } //********************************************************************************** /** * Convert current object to asn1js object and set correct values * @returns {Object} asn1js object */ toSchema() { //region Create array for output sequence const outputArray = []; if("noticeRef" in this) outputArray.push(this.noticeRef.toSchema()); if("explicitText" in this) { switch(this._explicitTextType) { case 0: outputArray.push(new asn1js.VisibleString({ value: this.explicitText })); break; case 1: outputArray.push(new asn1js.BmpString({ value: this.explicitText })); break; case 2: outputArray.push(new asn1js.Utf8String({ value: this.explicitText })); break; default: throw new Error("The \"explicitText\" property was not correctly initialized"); } } //endregion //region Construct and return new ASN.1 schema for this object return (new asn1js.Sequence({ value: outputArray })); //endregion } //********************************************************************************** /** * Convertion for the class to JSON object * @returns {Object} */ toJSON() { const _object = {}; if("noticeRef" in this) _object.noticeRef = this.noticeRef.toJSON(); if("explicitText" in this) _object.explicitText = this.explicitText; return _object; } //********************************************************************************** } //**************************************************************************************