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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, GeneralNameSchema } from "./GeneralName";
import { PkiObject, PkiObjectParameters } from "./PkiObject";
import * as Schema from "./Schema";
const BASE = "base";
const MINIMUM = "minimum";
const MAXIMUM = "maximum";
const CLEAR_PROPS = [
BASE,
MINIMUM,
MAXIMUM
];
export interface IGeneralSubtree {
base: GeneralName;
minimum: number | asn1js.Integer;
maximum?: number | asn1js.Integer;
}
export interface GeneralSubtreeJson {
base: GeneralNameJson;
minimum?: number | asn1js.IntegerJson;
maximum?: number | asn1js.IntegerJson;
}
export type GeneralSubtreeParameters = PkiObjectParameters & Partial<IGeneralSubtree>;
/**
* Represents the GeneralSubtree structure described in [RFC5280](https://datatracker.ietf.org/doc/html/rfc5280)
*/
export class GeneralSubtree extends PkiObject implements IGeneralSubtree {
public static override CLASS_NAME = "GeneralSubtree";
public base!: GeneralName;
public minimum!: number | asn1js.Integer;
public maximum?: number | asn1js.Integer;
/**
* Initializes a new instance of the {@link GeneralSubtree} class
* @param parameters Initialization parameters
*/
constructor(parameters: GeneralSubtreeParameters = {}) {
super();
this.base = pvutils.getParametersValue(parameters, BASE, GeneralSubtree.defaultValues(BASE));
this.minimum = pvutils.getParametersValue(parameters, MINIMUM, GeneralSubtree.defaultValues(MINIMUM));
if (MAXIMUM in parameters) {
this.maximum = pvutils.getParametersValue(parameters, MAXIMUM, GeneralSubtree.defaultValues(MAXIMUM));
}
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 BASE): GeneralName;
public static override defaultValues(memberName: typeof MINIMUM): number;
public static override defaultValues(memberName: typeof MAXIMUM): number;
public static override defaultValues(memberName: string): any {
switch (memberName) {
case BASE:
return new GeneralName();
case MINIMUM:
return 0;
case MAXIMUM:
return 0;
default:
return super.defaultValues(memberName);
}
}
/**
* @inheritdoc
* @asn ASN.1 schema
* ```asn
* GeneralSubtree ::= SEQUENCE {
* base GeneralName,
* minimum [0] BaseDistance DEFAULT 0,
* maximum [1] BaseDistance OPTIONAL }
*
* BaseDistance ::= INTEGER (0..MAX)
*```
*/
public static override schema(parameters: Schema.SchemaParameters<{
base?: GeneralNameSchema;
minimum?: string;
maximum?: string;
}> = {}): Schema.SchemaType {
const names = pvutils.getParametersValue<NonNullable<typeof parameters.names>>(parameters, "names", {});
return (new asn1js.Sequence({
name: (names.blockName || EMPTY_STRING),
value: [
GeneralName.schema(names.base || {}),
new asn1js.Constructed({
optional: true,
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: 0 // [0]
},
value: [new asn1js.Integer({ name: (names.minimum || EMPTY_STRING) })]
}),
new asn1js.Constructed({
optional: true,
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: 1 // [1]
},
value: [new asn1js.Integer({ name: (names.maximum || EMPTY_STRING) })]
})
]
}));
}
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,
GeneralSubtree.schema({
names: {
base: {
names: {
blockName: BASE
}
},
minimum: MINIMUM,
maximum: MAXIMUM
}
})
);
AsnError.assertSchema(asn1, this.className);
// Get internal properties from parsed schema
this.base = new GeneralName({ schema: asn1.result.base });
if (MINIMUM in asn1.result) {
if (asn1.result.minimum.valueBlock.isHexOnly)
this.minimum = asn1.result.minimum;
else
this.minimum = asn1.result.minimum.valueBlock.valueDec;
}
if (MAXIMUM in asn1.result) {
if (asn1.result.maximum.valueBlock.isHexOnly)
this.maximum = asn1.result.maximum;
else
this.maximum = asn1.result.maximum.valueBlock.valueDec;
}
}
public toSchema(): asn1js.Sequence {
//#region Create array for output sequence
const outputArray = [];
outputArray.push(this.base.toSchema());
if (this.minimum !== 0) {
let valueMinimum: number | asn1js.Integer = 0;
if (this.minimum instanceof asn1js.Integer) {
valueMinimum = this.minimum;
} else {
valueMinimum = new asn1js.Integer({ value: this.minimum });
}
outputArray.push(new asn1js.Constructed({
optional: true,
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: 0 // [0]
},
value: [valueMinimum]
}));
}
if (MAXIMUM in this) {
let valueMaximum: number | asn1js.Integer = 0;
if (this.maximum instanceof asn1js.Integer) {
valueMaximum = this.maximum;
} else {
valueMaximum = new asn1js.Integer({ value: this.maximum });
}
outputArray.push(new asn1js.Constructed({
optional: true,
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: 1 // [1]
},
value: [valueMaximum]
}));
}
//#endregion
//#region Construct and return new ASN.1 schema for this object
return (new asn1js.Sequence({
value: outputArray
}));
//#endregion
}
public toJSON(): GeneralSubtreeJson {
const res: GeneralSubtreeJson = {
base: this.base.toJSON()
};
if (this.minimum !== 0) {
if (typeof this.minimum === "number") {
res.minimum = this.minimum;
} else {
res.minimum = this.minimum.toJSON();
}
}
if (this.maximum !== undefined) {
if (typeof this.maximum === "number") {
res.maximum = this.maximum;
} else {
res.maximum = this.maximum.toJSON();
}
}
return res;
}
}
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