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import * as asn1js from "asn1js";
import * as pvutils from "pvutils";
import { EMPTY_STRING } from "./constants";
import { AsnError } from "./errors";
import { GeneralName, GeneralNameJson } from "./GeneralName";
import { PkiObject, PkiObjectParameters } from "./PkiObject";
import * as Schema from "./Schema";
const ALT_NAMES = "altNames";
const CLEAR_PROPS = [
ALT_NAMES
];
export interface IAltName {
/**
* Array of alternative names in GeneralName type
*/
altNames: GeneralName[];
}
export type AltNameParameters = PkiObjectParameters & Partial<IAltName>;
export interface AltNameJson {
altNames: GeneralNameJson[];
}
/**
* Represents the AltName structure described in [RFC5280](https://datatracker.ietf.org/doc/html/rfc5280)
*/
export class AltName extends PkiObject implements IAltName {
public static override CLASS_NAME = "AltName";
public altNames!: GeneralName[];
/**
* Initializes a new instance of the {@link AltName} class
* @param parameters Initialization parameters
*/
constructor(parameters: AltNameParameters = {}) {
super();
this.altNames = pvutils.getParametersValue(parameters, ALT_NAMES, AltName.defaultValues(ALT_NAMES));
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 ALT_NAMES): GeneralName[];
public static override defaultValues(memberName: string): any {
switch (memberName) {
case ALT_NAMES:
return [];
default:
return super.defaultValues(memberName);
}
}
/**
* @inheritdoc
* @asn ASN.1 schema
* ```asn
* AltName ::= GeneralNames
*```
*/
public static override schema(parameters: Schema.SchemaParameters<{ altNames?: string; }> = {}): Schema.SchemaType {
const names = pvutils.getParametersValue<NonNullable<typeof parameters.names>>(parameters, "names", {});
return (new asn1js.Sequence({
name: (names.blockName || EMPTY_STRING),
value: [
new asn1js.Repeated({
name: (names.altNames || EMPTY_STRING),
value: GeneralName.schema()
})
]
}));
}
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,
AltName.schema({
names: {
altNames: ALT_NAMES
}
})
);
AsnError.assertSchema(asn1, this.className);
// Get internal properties from parsed schema
if (ALT_NAMES in asn1.result) {
this.altNames = Array.from(asn1.result.altNames, element => new GeneralName({ schema: element }));
}
}
public toSchema(): asn1js.Sequence {
//#region Construct and return new ASN.1 schema for this object
return (new asn1js.Sequence({
value: Array.from(this.altNames, o => o.toSchema())
}));
//#endregion
}
public toJSON(): AltNameJson {
return {
altNames: Array.from(this.altNames, o => o.toJSON())
};
}
}
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