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import * as asn1js from "asn1js";
import * as pvutils from "pvutils";
import { EMPTY_STRING } from "./constants";
import { AsnError } from "./errors";
import { OtherKeyAttribute, OtherKeyAttributeJson, OtherKeyAttributeSchema } from "./OtherKeyAttribute";
import { PkiObject, PkiObjectParameters } from "./PkiObject";
import * as Schema from "./Schema";
const KEY_IDENTIFIER = "keyIdentifier";
const DATE = "date";
const OTHER = "other";
const CLEAR_PROPS = [
KEY_IDENTIFIER,
DATE,
OTHER,
];
export interface IKEKIdentifier {
keyIdentifier: asn1js.OctetString;
date?: asn1js.GeneralizedTime;
other?: OtherKeyAttribute;
}
export interface KEKIdentifierJson {
keyIdentifier: asn1js.OctetStringJson;
date?: asn1js.GeneralizedTime;
other?: OtherKeyAttributeJson;
}
export type KEKIdentifierParameters = PkiObjectParameters & Partial<IKEKIdentifier>;
export type KEKIdentifierSchema = Schema.SchemaParameters<{
keyIdentifier?: string;
date?: string;
other?: OtherKeyAttributeSchema;
}>;
/**
* Represents the KEKIdentifier structure described in [RFC5652](https://datatracker.ietf.org/doc/html/rfc5652)
*/
export class KEKIdentifier extends PkiObject implements IKEKIdentifier {
public static override CLASS_NAME = "KEKIdentifier";
public keyIdentifier!: asn1js.OctetString;
public date?: asn1js.GeneralizedTime;
public other?: OtherKeyAttribute;
/**
* Initializes a new instance of the {@link KEKIdentifier} class
* @param parameters Initialization parameters
*/
constructor(parameters: KEKIdentifierParameters = {}) {
super();
this.keyIdentifier = pvutils.getParametersValue(parameters, KEY_IDENTIFIER, KEKIdentifier.defaultValues(KEY_IDENTIFIER));
if (DATE in parameters) {
this.date = pvutils.getParametersValue(parameters, DATE, KEKIdentifier.defaultValues(DATE));
}
if (OTHER in parameters) {
this.other = pvutils.getParametersValue(parameters, OTHER, KEKIdentifier.defaultValues(OTHER));
}
if (parameters.schema) {
this.fromSchema(parameters.schema);
}
}
/**
* Returns default values for all class members
* @param memberName String name for a class member
* @returns Default value
*/
public static override defaultValues(memberName: typeof KEY_IDENTIFIER): asn1js.OctetString;
public static override defaultValues(memberName: typeof DATE): asn1js.GeneralizedTime;
public static override defaultValues(memberName: typeof OTHER): OtherKeyAttribute;
public static override defaultValues(memberName: string): any {
switch (memberName) {
case KEY_IDENTIFIER:
return new asn1js.OctetString();
case DATE:
return new asn1js.GeneralizedTime();
case OTHER:
return new OtherKeyAttribute();
default:
return super.defaultValues(memberName);
}
}
/**
* Compare values with default values for all class members
* @param memberName String name for a class member
* @param memberValue Value to compare with default value
*/
public static compareWithDefault(memberName: string, memberValue: any): boolean {
switch (memberName) {
case KEY_IDENTIFIER:
return (memberValue.isEqual(KEKIdentifier.defaultValues(KEY_IDENTIFIER)));
case DATE:
return ((memberValue.year === 0) &&
(memberValue.month === 0) &&
(memberValue.day === 0) &&
(memberValue.hour === 0) &&
(memberValue.minute === 0) &&
(memberValue.second === 0) &&
(memberValue.millisecond === 0));
case OTHER:
return ((memberValue.compareWithDefault("keyAttrId", memberValue.keyAttrId)) &&
(("keyAttr" in memberValue) === false));
default:
return super.defaultValues(memberName);
}
}
/**
* @inheritdoc
* @asn ASN.1 schema
* ```asn
* KEKIdentifier ::= SEQUENCE {
* keyIdentifier OCTET STRING,
* date GeneralizedTime OPTIONAL,
* other OtherKeyAttribute OPTIONAL }
*```
*/
public static override schema(parameters: KEKIdentifierSchema = {}): Schema.SchemaType {
const names = pvutils.getParametersValue<NonNullable<typeof parameters.names>>(parameters, "names", {});
return (new asn1js.Sequence({
name: (names.blockName || EMPTY_STRING),
value: [
new asn1js.OctetString({ name: (names.keyIdentifier || EMPTY_STRING) }),
new asn1js.GeneralizedTime({
optional: true,
name: (names.date || EMPTY_STRING)
}),
OtherKeyAttribute.schema(names.other || {})
]
}));
}
public fromSchema(schema: Schema.SchemaType): void {
// Clear input data first
pvutils.clearProps(schema, CLEAR_PROPS);
// Check the schema is valid
const asn1 = asn1js.compareSchema(schema,
schema,
KEKIdentifier.schema({
names: {
keyIdentifier: KEY_IDENTIFIER,
date: DATE,
other: {
names: {
blockName: OTHER
}
}
}
})
);
AsnError.assertSchema(asn1, this.className);
// Get internal properties from parsed schema
this.keyIdentifier = asn1.result.keyIdentifier;
if (DATE in asn1.result)
this.date = asn1.result.date;
if (OTHER in asn1.result)
this.other = new OtherKeyAttribute({ schema: asn1.result.other });
}
public toSchema(): asn1js.Sequence {
//#region Create array for output sequence
const outputArray = [];
outputArray.push(this.keyIdentifier);
if (this.date) {
outputArray.push(this.date);
}
if (this.other) {
outputArray.push(this.other.toSchema());
}
//#endregion
//#region Construct and return new ASN.1 schema for this object
return (new asn1js.Sequence({
value: outputArray
}));
//#endregion
}
public toJSON(): KEKIdentifierJson {
const res: KEKIdentifierJson = {
keyIdentifier: this.keyIdentifier.toJSON()
};
if (this.date) {
res.date = this.date;
}
if (this.other) {
res.other = this.other.toJSON();
}
return res;
}
}
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