pkijs
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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
232 lines (210 loc) • 7.14 kB
JavaScript
import * as asn1js from "asn1js";
import { getParametersValue } from "pvutils";
import GeneralName from "./GeneralName.js";
//**************************************************************************************
/**
* Class from RFC5280
*/
export default class AuthorityKeyIdentifier
{
//**********************************************************************************
/**
* Constructor for AuthorityKeyIdentifier class
* @param {Object} [parameters={}]
* @property {Object} [schema] asn1js parsed value
*/
constructor(parameters = {})
{
//region Internal properties of the object
if("keyIdentifier" in parameters)
/**
* @type {OctetString}
* @description keyIdentifier
*/
this.keyIdentifier = getParametersValue(parameters, "keyIdentifier", AuthorityKeyIdentifier.defaultValues("keyIdentifier"));
if("authorityCertIssuer" in parameters)
/**
* @type {Array.<GeneralName>}
* @description authorityCertIssuer
*/
this.authorityCertIssuer = getParametersValue(parameters, "authorityCertIssuer", AuthorityKeyIdentifier.defaultValues("authorityCertIssuer"));
if("authorityCertSerialNumber" in parameters)
/**
* @type {Integer}
* @description authorityCertIssuer
*/
this.authorityCertSerialNumber = getParametersValue(parameters, "authorityCertSerialNumber", AuthorityKeyIdentifier.defaultValues("authorityCertSerialNumber"));
//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 "keyIdentifier":
return new asn1js.OctetString();
case "authorityCertIssuer":
return [];
case "authorityCertSerialNumber":
return new asn1js.Integer();
default:
throw new Error(`Invalid member name for AuthorityKeyIdentifier 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 = {})
{
// AuthorityKeyIdentifier OID ::= 2.5.29.35
//
//AuthorityKeyIdentifier ::= SEQUENCE {
// keyIdentifier [0] KeyIdentifier OPTIONAL,
// authorityCertIssuer [1] GeneralNames OPTIONAL,
// authorityCertSerialNumber [2] CertificateSerialNumber OPTIONAL }
//
//KeyIdentifier ::= OCTET STRING
/**
* @type {Object}
* @property {string} [blockName]
* @property {string} [keyIdentifier]
* @property {string} [authorityCertIssuer]
* @property {string} [authorityCertSerialNumber]
*/
const names = getParametersValue(parameters, "names", {});
return (new asn1js.Sequence({
name: (names.blockName || ""),
value: [
new asn1js.Primitive({
name: (names.keyIdentifier || ""),
optional: true,
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: 0 // [0]
}
}),
new asn1js.Constructed({
optional: true,
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: 1 // [1]
},
value: [
new asn1js.Repeated({
name: (names.authorityCertIssuer || ""),
value: GeneralName.schema()
})
]
}),
new asn1js.Primitive({
name: (names.authorityCertSerialNumber || ""),
optional: true,
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: 2 // [2]
}
})
]
}));
}
//**********************************************************************************
/**
* Convert parsed asn1js object into current class
* @param {!Object} schema
*/
fromSchema(schema)
{
//region Check the schema is valid
const asn1 = asn1js.compareSchema(schema,
schema,
AuthorityKeyIdentifier.schema({
names: {
keyIdentifier: "keyIdentifier",
authorityCertIssuer: "authorityCertIssuer",
authorityCertSerialNumber: "authorityCertSerialNumber"
}
})
);
if(asn1.verified === false)
throw new Error("Object's schema was not verified against input data for AuthorityKeyIdentifier");
//endregion
//region Get internal properties from parsed schema
if("keyIdentifier" in asn1.result)
this.keyIdentifier = new asn1js.OctetString({ valueHex: asn1.result.keyIdentifier.valueBlock.valueHex });
if("authorityCertIssuer" in asn1.result)
this.authorityCertIssuer = Array.from(asn1.result.authorityCertIssuer, element => new GeneralName({ schema: element }));
if("authorityCertSerialNumber" in asn1.result)
this.authorityCertSerialNumber = new asn1js.Integer({ valueHex: asn1.result.authorityCertSerialNumber.valueBlock.valueHex });
//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("keyIdentifier" in this)
{
const value = this.keyIdentifier;
value.idBlock.tagClass = 3; // CONTEXT-SPECIFIC
value.idBlock.tagNumber = 0; // [0]
outputArray.push(value);
}
if("authorityCertIssuer" in this)
{
outputArray.push(new asn1js.Constructed({
optional: true,
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: 1 // [1]
},
value: Array.from(this.authorityCertIssuer, element => element.toSchema())
}));
}
if("authorityCertSerialNumber" in this)
{
const value = this.authorityCertSerialNumber;
value.idBlock.tagClass = 3; // CONTEXT-SPECIFIC
value.idBlock.tagNumber = 2; // [2]
outputArray.push(value);
}
//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("keyIdentifier" in this)
object.keyIdentifier = this.keyIdentifier.toJSON();
if("authorityCertIssuer" in this)
object.authorityCertIssuer = Array.from(this.authorityCertIssuer, element => element.toJSON());
if("authorityCertSerialNumber" in this)
object.authorityCertSerialNumber = this.authorityCertSerialNumber.toJSON();
return object;
}
//**********************************************************************************
}
//**************************************************************************************