update

package/node_modules/@tufjs/models/dist/base.js

@@ -0,0 +1,83 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Signed = exports.isMetadataKind = exports.MetadataKind = void 0;
+const util_1 = __importDefault(require("util"));
+const error_1 = require("./error");
+const utils_1 = require("./utils");
+const SPECIFICATION_VERSION = ['1', '0', '31'];
+var MetadataKind;
+(function (MetadataKind) {
+    MetadataKind["Root"] = "root";
+    MetadataKind["Timestamp"] = "timestamp";
+    MetadataKind["Snapshot"] = "snapshot";
+    MetadataKind["Targets"] = "targets";
+})(MetadataKind || (exports.MetadataKind = MetadataKind = {}));
+function isMetadataKind(value) {
+    return (typeof value === 'string' &&
+        Object.values(MetadataKind).includes(value));
+}
+exports.isMetadataKind = isMetadataKind;
+/***
+ * A base class for the signed part of TUF metadata.
+ *
+ * Objects with base class Signed are usually included in a ``Metadata`` object
+ * on the signed attribute. This class provides attributes and methods that
+ * are common for all TUF metadata types (roles).
+ */
+class Signed {
+    constructor(options) {
+        this.specVersion = options.specVersion || SPECIFICATION_VERSION.join('.');
+        const specList = this.specVersion.split('.');
+        if (!(specList.length === 2 || specList.length === 3) ||
+            !specList.every((item) => isNumeric(item))) {
+            throw new error_1.ValueError('Failed to parse specVersion');
+        }
+        // major version must match
+        if (specList[0] != SPECIFICATION_VERSION[0]) {
+            throw new error_1.ValueError('Unsupported specVersion');
+        }
+        this.expires = options.expires || new Date().toISOString();
+        this.version = options.version || 1;
+        this.unrecognizedFields = options.unrecognizedFields || {};
+    }
+    equals(other) {
+        if (!(other instanceof Signed)) {
+            return false;
+        }
+        return (this.specVersion === other.specVersion &&
+            this.expires === other.expires &&
+            this.version === other.version &&
+            util_1.default.isDeepStrictEqual(this.unrecognizedFields, other.unrecognizedFields));
+    }
+    isExpired(referenceTime) {
+        if (!referenceTime) {
+            referenceTime = new Date();
+        }
+        return referenceTime >= new Date(this.expires);
+    }
+    static commonFieldsFromJSON(data) {
+        const { spec_version, expires, version, ...rest } = data;
+        if (utils_1.guard.isDefined(spec_version) && !(typeof spec_version === 'string')) {
+            throw new TypeError('spec_version must be a string');
+        }
+        if (utils_1.guard.isDefined(expires) && !(typeof expires === 'string')) {
+            throw new TypeError('expires must be a string');
+        }
+        if (utils_1.guard.isDefined(version) && !(typeof version === 'number')) {
+            throw new TypeError('version must be a number');
+        }
+        return {
+            specVersion: spec_version,
+            expires,
+            version,
+            unrecognizedFields: rest,
+        };
+    }
+}
+exports.Signed = Signed;
+function isNumeric(str) {
+    return !isNaN(Number(str));
+}