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1"use strict";2var __importDefault = (this && this.__importDefault) || function (mod) {3    return (mod && mod.__esModule) ? mod : { "default": mod };4};5Object.defineProperty(exports, "__esModule", { value: true });6exports.Signed = exports.MetadataKind = void 0;7exports.isMetadataKind = isMetadataKind;8const util_1 = __importDefault(require("util"));9const error_1 = require("./error");10const utils_1 = require("./utils");11const SPECIFICATION_VERSION = ['1', '0', '31'];12var MetadataKind;13(function (MetadataKind) {14    MetadataKind["Root"] = "root";15    MetadataKind["Timestamp"] = "timestamp";16    MetadataKind["Snapshot"] = "snapshot";17    MetadataKind["Targets"] = "targets";18})(MetadataKind || (exports.MetadataKind = MetadataKind = {}));19function isMetadataKind(value) {20    return (typeof value === 'string' &&21        Object.values(MetadataKind).includes(value));22}23/***24 * A base class for the signed part of TUF metadata.25 *26 * Objects with base class Signed are usually included in a ``Metadata`` object27 * on the signed attribute. This class provides attributes and methods that28 * are common for all TUF metadata types (roles).29 */30class Signed {31    specVersion;32    expires;33    version;34    unrecognizedFields;35    constructor(options) {36        this.specVersion = options.specVersion || SPECIFICATION_VERSION.join('.');37        const specList = this.specVersion.split('.');38        if (!(specList.length === 2 || specList.length === 3) ||39            !specList.every((item) => isNumeric(item))) {40            throw new error_1.ValueError('Failed to parse specVersion');41        }42        // major version must match43        if (specList[0] != SPECIFICATION_VERSION[0]) {44            throw new error_1.ValueError('Unsupported specVersion');45        }46        this.expires = options.expires;47        this.version = options.version;48        this.unrecognizedFields = options.unrecognizedFields || {};49    }50    equals(other) {51        if (!(other instanceof Signed)) {52            return false;53        }54        return (this.specVersion === other.specVersion &&55            this.expires === other.expires &&56            this.version === other.version &&57            util_1.default.isDeepStrictEqual(this.unrecognizedFields, other.unrecognizedFields));58    }59    isExpired(referenceTime) {60        if (!referenceTime) {61            referenceTime = new Date();62        }63        return referenceTime >= new Date(this.expires);64    }65    static commonFieldsFromJSON(data) {66        const { spec_version, expires, version, ...rest } = data;67        if (!utils_1.guard.isDefined(spec_version)) {68            throw new error_1.ValueError('spec_version is not defined');69        }70        else if (typeof spec_version !== 'string') {71            throw new TypeError('spec_version must be a string');72        }73        if (!utils_1.guard.isDefined(expires)) {74            throw new error_1.ValueError('expires is not defined');75        }76        else if (!(typeof expires === 'string')) {77            throw new TypeError('expires must be a string');78        }79        if (!utils_1.guard.isDefined(version)) {80            throw new error_1.ValueError('version is not defined');81        }82        else if (!(typeof version === 'number')) {83            throw new TypeError('version must be a number');84        }85        return {86            specVersion: spec_version,87            expires,88            version,89            unrecognizedFields: rest,90        };91    }92}93exports.Signed = Signed;94function isNumeric(str) {95    return !isNaN(Number(str));96}97