update

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

@@ -0,0 +1,115 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Delegations = void 0;
+const util_1 = __importDefault(require("util"));
+const error_1 = require("./error");
+const key_1 = require("./key");
+const role_1 = require("./role");
+const utils_1 = require("./utils");
+/**
+ * A container object storing information about all delegations.
+ *
+ * Targets roles that are trusted to provide signed metadata files
+ * describing targets with designated pathnames and/or further delegations.
+ */
+class Delegations {
+    constructor(options) {
+        this.keys = options.keys;
+        this.unrecognizedFields = options.unrecognizedFields || {};
+        if (options.roles) {
+            if (Object.keys(options.roles).some((roleName) => role_1.TOP_LEVEL_ROLE_NAMES.includes(roleName))) {
+                throw new error_1.ValueError('Delegated role name conflicts with top-level role name');
+            }
+        }
+        this.succinctRoles = options.succinctRoles;
+        this.roles = options.roles;
+    }
+    equals(other) {
+        if (!(other instanceof Delegations)) {
+            return false;
+        }
+        return (util_1.default.isDeepStrictEqual(this.keys, other.keys) &&
+            util_1.default.isDeepStrictEqual(this.roles, other.roles) &&
+            util_1.default.isDeepStrictEqual(this.unrecognizedFields, other.unrecognizedFields) &&
+            util_1.default.isDeepStrictEqual(this.succinctRoles, other.succinctRoles));
+    }
+    *rolesForTarget(targetPath) {
+        if (this.roles) {
+            for (const role of Object.values(this.roles)) {
+                if (role.isDelegatedPath(targetPath)) {
+                    yield { role: role.name, terminating: role.terminating };
+                }
+            }
+        }
+        else if (this.succinctRoles) {
+            yield {
+                role: this.succinctRoles.getRoleForTarget(targetPath),
+                terminating: true,
+            };
+        }
+    }
+    toJSON() {
+        const json = {
+            keys: keysToJSON(this.keys),
+            ...this.unrecognizedFields,
+        };
+        if (this.roles) {
+            json.roles = rolesToJSON(this.roles);
+        }
+        else if (this.succinctRoles) {
+            json.succinct_roles = this.succinctRoles.toJSON();
+        }
+        return json;
+    }
+    static fromJSON(data) {
+        const { keys, roles, succinct_roles, ...unrecognizedFields } = data;
+        let succinctRoles;
+        if (utils_1.guard.isObject(succinct_roles)) {
+            succinctRoles = role_1.SuccinctRoles.fromJSON(succinct_roles);
+        }
+        return new Delegations({
+            keys: keysFromJSON(keys),
+            roles: rolesFromJSON(roles),
+            unrecognizedFields,
+            succinctRoles,
+        });
+    }
+}
+exports.Delegations = Delegations;
+function keysToJSON(keys) {
+    return Object.entries(keys).reduce((acc, [keyId, key]) => ({
+        ...acc,
+        [keyId]: key.toJSON(),
+    }), {});
+}
+function rolesToJSON(roles) {
+    return Object.values(roles).map((role) => role.toJSON());
+}
+function keysFromJSON(data) {
+    if (!utils_1.guard.isObjectRecord(data)) {
+        throw new TypeError('keys is malformed');
+    }
+    return Object.entries(data).reduce((acc, [keyID, keyData]) => ({
+        ...acc,
+        [keyID]: key_1.Key.fromJSON(keyID, keyData),
+    }), {});
+}
+function rolesFromJSON(data) {
+    let roleMap;
+    if (utils_1.guard.isDefined(data)) {
+        if (!utils_1.guard.isObjectArray(data)) {
+            throw new TypeError('roles is malformed');
+        }
+        roleMap = data.reduce((acc, role) => {
+            const delegatedRole = role_1.DelegatedRole.fromJSON(role);
+            return {
+                ...acc,
+                [delegatedRole.name]: delegatedRole,
+            };
+        }, {});
+    }
+    return roleMap;
+}