mirror of
https://github.com/Ylianst/MeshCommander
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325 lines
9.3 KiB
JavaScript
325 lines
9.3 KiB
JavaScript
import * as asn1js from "asn1js";
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import { getParametersValue, clearProps } from "pvutils";
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import GeneralName from "./GeneralName.js";
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import Request from "./Request.js";
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import Extension from "./Extension.js";
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import Extensions from "./Extensions.js";
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//**************************************************************************************
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/**
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* Class from RFC6960
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*/
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export default class TBSRequest
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{
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//**********************************************************************************
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/**
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* Constructor for TBSRequest class
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* @param {Object} [parameters={}]
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* @param {Object} [parameters.schema] asn1js parsed value to initialize the class from
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*/
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constructor(parameters = {})
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{
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//region Internal properties of the object
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/**
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* @type {ArrayBuffer}
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* @desc tbs
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*/
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this.tbs = getParametersValue(parameters, "tbs", TBSRequest.defaultValues("tbs"));
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if("version" in parameters)
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/**
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* @type {number}
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* @desc version
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*/
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this.version = getParametersValue(parameters, "version", TBSRequest.defaultValues("version"));
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if("requestorName" in parameters)
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/**
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* @type {GeneralName}
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* @desc requestorName
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*/
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this.requestorName = getParametersValue(parameters, "requestorName", TBSRequest.defaultValues("requestorName"));
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/**
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* @type {Array.<Request>}
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* @desc requestList
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*/
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this.requestList = getParametersValue(parameters, "requestList", TBSRequest.defaultValues("requestList"));
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if("requestExtensions" in parameters)
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/**
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* @type {Array.<Extension>}
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* @desc requestExtensions
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*/
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this.requestExtensions = getParametersValue(parameters, "requestExtensions", TBSRequest.defaultValues("requestExtensions"));
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//endregion
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//region If input argument array contains "schema" for this object
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if("schema" in parameters)
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this.fromSchema(parameters.schema);
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//endregion
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}
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//**********************************************************************************
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/**
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* Return default values for all class members
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* @param {string} memberName String name for a class member
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*/
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static defaultValues(memberName)
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{
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switch(memberName)
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{
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case "tbs":
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return new ArrayBuffer(0);
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case "version":
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return 0;
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case "requestorName":
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return new GeneralName();
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case "requestList":
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case "requestExtensions":
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return [];
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default:
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throw new Error(`Invalid member name for TBSRequest class: ${memberName}`);
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}
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}
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//**********************************************************************************
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/**
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* Compare values with default values for all class members
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* @param {string} memberName String name for a class member
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* @param {*} memberValue Value to compare with default value
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*/
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static compareWithDefault(memberName, memberValue)
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{
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switch(memberName)
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{
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case "tbs":
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return (memberValue.byteLength === 0);
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case "version":
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return (memberValue === TBSRequest.defaultValues(memberName));
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case "requestorName":
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return ((memberValue.type === GeneralName.defaultValues("type")) && (Object.keys(memberValue.value).length === 0));
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case "requestList":
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case "requestExtensions":
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return (memberValue.length === 0);
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default:
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throw new Error(`Invalid member name for TBSRequest class: ${memberName}`);
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}
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}
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//**********************************************************************************
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/**
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* Return value of pre-defined ASN.1 schema for current class
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*
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* ASN.1 schema:
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* ```asn1
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* TBSRequest ::= SEQUENCE {
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* version [0] EXPLICIT Version DEFAULT v1,
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* requestorName [1] EXPLICIT GeneralName OPTIONAL,
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* requestList SEQUENCE OF Request,
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* requestExtensions [2] EXPLICIT Extensions OPTIONAL }
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* ```
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*
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* @param {Object} parameters Input parameters for the schema
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* @returns {Object} asn1js schema object
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*/
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static schema(parameters = {})
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{
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/**
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* @type {Object}
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* @property {string} [blockName]
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* @property {string} [TBSRequestVersion]
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* @property {string} [requestorName]
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* @property {string} [requestList]
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* @property {string} [requests]
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* @property {string} [requestNames]
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* @property {string} [extensions]
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* @property {string} [requestExtensions]
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*/
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const names = getParametersValue(parameters, "names", {});
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return (new asn1js.Sequence({
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name: (names.blockName || "TBSRequest"),
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value: [
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new asn1js.Constructed({
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optional: true,
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idBlock: {
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tagClass: 3, // CONTEXT-SPECIFIC
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tagNumber: 0 // [0]
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},
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value: [new asn1js.Integer({ name: (names.TBSRequestVersion || "TBSRequest.version") })]
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}),
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new asn1js.Constructed({
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optional: true,
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idBlock: {
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tagClass: 3, // CONTEXT-SPECIFIC
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tagNumber: 1 // [1]
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},
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value: [GeneralName.schema(names.requestorName || {
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names: {
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blockName: "TBSRequest.requestorName"
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}
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})]
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}),
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new asn1js.Sequence({
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name: (names.requestList || "TBSRequest.requestList"),
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value: [
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new asn1js.Repeated({
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name: (names.requests || "TBSRequest.requests"),
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value: Request.schema(names.requestNames || {})
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})
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]
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}),
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new asn1js.Constructed({
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optional: true,
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idBlock: {
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tagClass: 3, // CONTEXT-SPECIFIC
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tagNumber: 2 // [2]
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},
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value: [Extensions.schema(names.extensions || {
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names: {
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blockName: (names.requestExtensions || "TBSRequest.requestExtensions")
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}
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})]
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})
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]
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}));
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}
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//**********************************************************************************
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/**
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* Convert parsed asn1js object into current class
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* @param {!Object} schema
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*/
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fromSchema(schema)
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{
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//region Clear input data first
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clearProps(schema, [
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"TBSRequest",
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"TBSRequest.version",
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"TBSRequest.requestorName",
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"TBSRequest.requests",
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"TBSRequest.requestExtensions"
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]);
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//endregion
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//region Check the schema is valid
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const asn1 = asn1js.compareSchema(schema,
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schema,
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TBSRequest.schema()
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);
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if(asn1.verified === false)
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throw new Error("Object's schema was not verified against input data for TBSRequest");
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//endregion
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//region Get internal properties from parsed schema
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this.tbs = asn1.result.TBSRequest.valueBeforeDecode;
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if("TBSRequest.version" in asn1.result)
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this.version = asn1.result["TBSRequest.version"].valueBlock.valueDec;
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if("TBSRequest.requestorName" in asn1.result)
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this.requestorName = new GeneralName({ schema: asn1.result["TBSRequest.requestorName"] });
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this.requestList = Array.from(asn1.result["TBSRequest.requests"], element => new Request({ schema: element }));
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if("TBSRequest.requestExtensions" in asn1.result)
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this.requestExtensions = Array.from(asn1.result["TBSRequest.requestExtensions"].valueBlock.value, element => new Extension({ schema: element }));
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//endregion
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}
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//**********************************************************************************
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/**
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* Convert current object to asn1js object and set correct values
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* @param {boolean} encodeFlag If param equal to false then create TBS schema via decoding stored value. In othe case create TBS schema via assembling from TBS parts.
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* @returns {Object} asn1js object
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*/
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toSchema(encodeFlag = false)
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{
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//region Decode stored TBS value
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let tbsSchema;
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if(encodeFlag === false)
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{
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if(this.tbs.byteLength === 0) // No stored TBS part
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return TBSRequest.schema();
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tbsSchema = asn1js.fromBER(this.tbs).result;
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}
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//endregion
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//region Create TBS schema via assembling from TBS parts
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else
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{
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const outputArray = [];
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if("version" in this)
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{
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outputArray.push(new asn1js.Constructed({
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idBlock: {
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tagClass: 3, // CONTEXT-SPECIFIC
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tagNumber: 0 // [0]
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},
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value: [new asn1js.Integer({ value: this.version })]
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}));
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}
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if("requestorName" in this)
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{
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outputArray.push(new asn1js.Constructed({
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idBlock: {
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tagClass: 3, // CONTEXT-SPECIFIC
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tagNumber: 1 // [1]
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},
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value: [this.requestorName.toSchema()]
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}));
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}
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outputArray.push(new asn1js.Sequence({
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value: Array.from(this.requestList, element => element.toSchema())
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}));
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if("requestExtensions" in this)
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{
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outputArray.push(new asn1js.Constructed({
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idBlock: {
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tagClass: 3, // CONTEXT-SPECIFIC
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tagNumber: 2 // [2]
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},
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value: [
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new asn1js.Sequence({
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value: Array.from(this.requestExtensions, element => element.toSchema())
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})
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]
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}));
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}
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tbsSchema = new asn1js.Sequence({
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value: outputArray
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});
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}
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//endregion
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//region Construct and return new ASN.1 schema for this object
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return tbsSchema;
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//endregion
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}
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//**********************************************************************************
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/**
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* Convertion for the class to JSON object
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* @returns {Object}
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*/
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toJSON()
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{
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const _object = {};
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if("version" in this)
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_object.version = this.version;
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if("requestorName" in this)
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_object.requestorName = this.requestorName.toJSON();
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_object.requestList = Array.from(this.requestList, element => element.toJSON());
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if("requestExtensions" in this)
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_object.requestExtensions = Array.from(this.requestExtensions, element => element.toJSON());
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return _object;
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}
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//**********************************************************************************
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}
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//**************************************************************************************
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