pkijs/src/PolicyQualifierInfo.js

Public Key Infrastructure (PKI) is the basis of how identity and key management is performed on the web today. PKIjs is a pure JavaScript library implementing the formats that are used in PKI applications. It is built on WebCrypto and aspires to make it p

import * as asn1js from "asn1js";
import { getParametersValue } from "pvutils";
//**************************************************************************************
/**
 * Class from RFC5280
 */
export default class PolicyQualifierInfo
{
	//**********************************************************************************
	/**
	 * Constructor for PolicyQualifierInfo class
	 * @param {Object} [parameters={}]
	 * @property {Object} [schema] asn1js parsed value
	 */
	constructor(parameters = {})
	{
		//region Internal properties of the object
		/**
		 * @type {string}
		 * @description policyQualifierId
		 */
		this.policyQualifierId = getParametersValue(parameters, "policyQualifierId", PolicyQualifierInfo.defaultValues("policyQualifierId"));
		/**
		 * @type {Object}
		 * @description qualifier
		 */
		this.qualifier = getParametersValue(parameters, "qualifier", PolicyQualifierInfo.defaultValues("qualifier"));
		//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 "policyQualifierId":
				return "";
			case "qualifier":
				return new asn1js.Any();
			default:
				throw new Error(`Invalid member name for PolicyQualifierInfo 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 = {})
	{
		//PolicyQualifierInfo ::= SEQUENCE {
		//    policyQualifierId  PolicyQualifierId,
		//    qualifier          ANY DEFINED BY policyQualifierId }
		//
		//id-qt          OBJECT IDENTIFIER ::=  { id-pkix 2 }
		//id-qt-cps      OBJECT IDENTIFIER ::=  { id-qt 1 }
		//id-qt-unotice  OBJECT IDENTIFIER ::=  { id-qt 2 }
		//
		//PolicyQualifierId ::= OBJECT IDENTIFIER ( id-qt-cps | id-qt-unotice )

		/**
		 * @type {Object}
		 * @property {string} [blockName]
		 * @property {string} [policyQualifierId]
		 * @property {string} [qualifier]
		 */
		const names = getParametersValue(parameters, "names", {});

		return (new asn1js.Sequence({
			name: (names.blockName || ""),
			value: [
				new asn1js.ObjectIdentifier({ name: (names.policyQualifierId || "") }),
				new asn1js.Any({ name: (names.qualifier || "") })
			]
		}));
	}
	//**********************************************************************************
	/**
	 * Convert parsed asn1js object into current class
	 * @param {!Object} schema
	 */
	fromSchema(schema)
	{
		//region Check the schema is valid
		const asn1 = asn1js.compareSchema(schema,
			schema,
			PolicyQualifierInfo.schema({
				names: {
					policyQualifierId: "policyQualifierId",
					qualifier: "qualifier"
				}
			})
		);

		if(asn1.verified === false)
			throw new Error("Object's schema was not verified against input data for PolicyQualifierInfo");
		//endregion

		//region Get internal properties from parsed schema
		this.policyQualifierId = asn1.result.policyQualifierId.valueBlock.toString();
		this.qualifier = asn1.result.qualifier;
		//endregion
	}
	//**********************************************************************************
	/**
	 * Convert current object to asn1js object and set correct values
	 * @returns {Object} asn1js object
	 */
	toSchema()
	{
		//region Construct and return new ASN.1 schema for this object
		return (new asn1js.Sequence({
			value: [
				new asn1js.ObjectIdentifier({ value: this.policyQualifierId }),
				this.qualifier
			]
		}));
		//endregion
	}
	//**********************************************************************************
	/**
	 * Convertion for the class to JSON object
	 * @returns {Object}
	 */
	toJSON()
	{
		return {
			policyQualifierId: this.policyQualifierId,
			qualifier: this.qualifier.toJSON()
		};
	}
	//**********************************************************************************
}
//**************************************************************************************