@nebular/security
Version:
@nebular/security
143 lines • 6.14 kB
JavaScript
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
return function (target, key) { decorator(target, key, paramIndex); }
};
/**
* @license
* Copyright Akveo. All Rights Reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*/
import { Inject, Injectable, Optional } from '@angular/core';
import { NB_SECURITY_OPTIONS_TOKEN } from '../security.options';
var shallowObjectClone = function (o) { return Object.assign({}, o); };
var ɵ0 = shallowObjectClone;
var shallowArrayClone = function (a) { return Object.assign([], a); };
var ɵ1 = shallowArrayClone;
var popParent = function (abilities) {
var parent = abilities['parent'];
delete abilities['parent'];
return parent;
};
var ɵ2 = popParent;
/**
* Common acl service.
*/
var NbAclService = /** @class */ (function () {
function NbAclService(settings) {
if (settings === void 0) { settings = {}; }
this.settings = settings;
this.state = {};
if (settings.accessControl) {
this.setAccessControl(settings.accessControl);
}
}
NbAclService_1 = NbAclService;
/**
* Set/Reset ACL list
* @param {NbAccessControl} list
*/
NbAclService.prototype.setAccessControl = function (list) {
for (var _i = 0, _a = Object.entries(list); _i < _a.length; _i++) {
var _b = _a[_i], role = _b[0], value = _b[1];
var abilities = shallowObjectClone(value);
var parent_1 = popParent(abilities);
this.register(role, parent_1, abilities);
}
};
/**
* Register a new role with a list of abilities (permission/resources combinations)
* @param {string} role
* @param {string} parent
* @param {[permission: string]: string|string[]} abilities
*/
NbAclService.prototype.register = function (role, parent, abilities) {
if (parent === void 0) { parent = null; }
if (abilities === void 0) { abilities = {}; }
this.validateRole(role);
this.state[role] = {
parent: parent,
};
for (var _i = 0, _a = Object.entries(abilities); _i < _a.length; _i++) {
var _b = _a[_i], permission = _b[0], value = _b[1];
var resources = typeof value === 'string' ? [value] : value;
this.allow(role, permission, shallowArrayClone(resources));
}
};
/**
* Allow a permission for specific resources to a role
* @param {string} role
* @param {string} permission
* @param {string | string[]} resource
*/
NbAclService.prototype.allow = function (role, permission, resource) {
this.validateRole(role);
if (!this.getRole(role)) {
this.register(role, null, {});
}
resource = typeof resource === 'string' ? [resource] : resource;
var resources = shallowArrayClone(this.getRoleResources(role, permission));
resources = resources.concat(resource);
this.state[role][permission] = resources
.filter(function (item, pos) { return resources.indexOf(item) === pos; });
};
/**
* Check whether the role has a permission to a resource
* @param {string} role
* @param {string} permission
* @param {string} resource
* @returns {boolean}
*/
NbAclService.prototype.can = function (role, permission, resource) {
this.validateResource(resource);
var parentRole = this.getRoleParent(role);
var parentCan = parentRole && this.can(this.getRoleParent(role), permission, resource);
return parentCan || this.exactCan(role, permission, resource);
};
NbAclService.prototype.getRole = function (role) {
return this.state[role];
};
NbAclService.prototype.validateRole = function (role) {
if (!role) {
throw new Error('NbAclService: role name cannot be empty');
}
};
NbAclService.prototype.validateResource = function (resource) {
if (!resource || [NbAclService_1.ANY_RESOURCE].includes(resource)) {
throw new Error("NbAclService: cannot use empty or bulk '*' resource placeholder with 'can' method");
}
};
NbAclService.prototype.exactCan = function (role, permission, resource) {
var resources = this.getRoleResources(role, permission);
return resources.includes(resource) || resources.includes(NbAclService_1.ANY_RESOURCE);
};
NbAclService.prototype.getRoleResources = function (role, permission) {
return this.getRoleAbilities(role)[permission] || [];
};
NbAclService.prototype.getRoleAbilities = function (role) {
var abilities = shallowObjectClone(this.state[role] || {});
popParent(shallowObjectClone(this.state[role] || {}));
return abilities;
};
NbAclService.prototype.getRoleParent = function (role) {
return this.state[role] ? this.state[role]['parent'] : null;
};
var NbAclService_1;
NbAclService.ANY_RESOURCE = '*';
NbAclService = NbAclService_1 = __decorate([
Injectable(),
__param(0, Optional()), __param(0, Inject(NB_SECURITY_OPTIONS_TOKEN)),
__metadata("design:paramtypes", [Object])
], NbAclService);
return NbAclService;
}());
export { NbAclService };
export { ɵ0, ɵ1, ɵ2 };
//# sourceMappingURL=acl.service.js.map