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CRLBag.js
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CRLBag.js
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import * as asn1js from "asn1js";
import { getParametersValue, clearProps } from "pvutils";
import CertificateRevocationList from "./CertificateRevocationList.js";
//**************************************************************************************
/**
* Class from RFC7292
*/
export default class CRLBag
{
//**********************************************************************************
/**
* Constructor for CRLBag class
* @param {Object} [parameters={}]
* @param {Object} [parameters.schema] asn1js parsed value to initialize the class from
*/
constructor(parameters = {})
{
//region Internal properties of the object
/**
* @type {string}
* @desc crlId
*/
this.crlId = getParametersValue(parameters, "crlId", CRLBag.defaultValues("crlId"));
/**
* @type {*}
* @desc crlValue
*/
this.crlValue = getParametersValue(parameters, "crlValue", CRLBag.defaultValues("crlValue"));
if("parsedValue" in parameters)
/**
* @type {*}
* @desc parsedValue
*/
this.parsedValue = getParametersValue(parameters, "parsedValue", CRLBag.defaultValues("parsedValue"));
//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 "crlId":
return "";
case "crlValue":
return (new asn1js.Any());
case "parsedValue":
return {};
default:
throw new Error(`Invalid member name for CRLBag 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 "crlId":
return (memberValue === "");
case "crlValue":
return (memberValue instanceof asn1js.Any);
case "parsedValue":
return ((memberValue instanceof Object) && (Object.keys(memberValue).length === 0));
default:
throw new Error(`Invalid member name for CRLBag class: ${memberName}`);
}
}
//**********************************************************************************
/**
* Return value of pre-defined ASN.1 schema for current class
*
* ASN.1 schema:
* ```asn1
* CRLBag ::= SEQUENCE {
* crlId BAG-TYPE.&id ({CRLTypes}),
* crlValue [0] EXPLICIT BAG-TYPE.&Type ({CRLTypes}{@crlId})
*}
* ```
*
* @param {Object} parameters Input parameters for the schema
* @returns {Object} asn1js schema object
*/
static schema(parameters = {})
{
/**
* @type {Object}
* @property {string} [blockName]
* @property {string} [id]
* @property {string} [value]
*/
const names = getParametersValue(parameters, "names", {});
return (new asn1js.Sequence({
name: (names.blockName || ""),
value: [
new asn1js.ObjectIdentifier({ name: (names.id || "id") }),
new asn1js.Constructed({
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: 0 // [0]
},
value: [new asn1js.Any({ name: (names.value || "value") })] // EXPLICIT ANY value
})
]
}));
}
//**********************************************************************************
/**
* Convert parsed asn1js object into current class
* @param {!Object} schema
*/
fromSchema(schema)
{
//region Clear input data first
clearProps(schema, [
"crlId",
"crlValue"
]);
//endregion
//region Check the schema is valid
const asn1 = asn1js.compareSchema(schema,
schema,
CRLBag.schema({
names: {
id: "crlId",
value: "crlValue"
}
})
);
if(asn1.verified === false)
throw new Error("Object's schema was not verified against input data for CRLBag");
//endregion
//region Get internal properties from parsed schema
this.crlId = asn1.result.crlId.valueBlock.toString();
this.crlValue = asn1.result.crlValue;
switch(this.crlId)
{
case "1.2.840.113549.1.9.23.1": // x509CRL
{
const asn1Inner = asn1js.fromBER(this.certValue.valueBlock.valueHex);
this.parsedValue = new CertificateRevocationList({ schema: asn1Inner.result });
}
break;
default:
throw new Error(`Incorrect "crlId" value in CRLBag: ${this.crlId}`);
}
//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
if("parsedValue" in this)
{
this.certId = "1.2.840.113549.1.9.23.1";
this.certValue = new asn1js.OctetString({ valueHex: this.parsedValue.toSchema().toBER(false) });
}
return (new asn1js.Sequence({
value: [
new asn1js.ObjectIdentifier({ value: this.crlId }),
new asn1js.Constructed({
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: 0 // [0]
},
value: [this.crlValue.toSchema()]
})
]
}));
//endregion
}
//**********************************************************************************
/**
* Convertion for the class to JSON object
* @returns {Object}
*/
toJSON()
{
return {
crlId: this.crlId,
crlValue: this.crlValue.toJSON()
};
}
//**********************************************************************************
}
//**************************************************************************************