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ac.test.ts
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'use strict';
/**
* Test Suite: AccessControl
* @author Onur Yıldırım <[email protected]>
*/
import { AccessControl } from '../src';
import { IQueryInfo, AccessControlError } from '../src/core';
import { utils, RESERVED_KEYWORDS } from '../src/utils';
// test helper
import { helper } from './helper';
describe('Test Suite: AccessControl', () => {
// grant list fetched from DB (to be converted to a valid grants object)
let grantList: any[] = [
{ role: 'admin', resource: 'video', action: 'create:any', attributes: ['*'] },
{ role: 'admin', resource: 'video', action: 'read:any', attributes: ['*'] },
{ role: 'admin', resource: 'video', action: 'update:any', attributes: ['*'] },
{ role: 'admin', resource: 'video', action: 'delete:any', attributes: ['*'] },
{ role: 'user', resource: 'video', action: 'create:own', attributes: '*, !id' }, // comma-separated attrs
{ role: 'user', resource: 'video', action: 'read:any', attributes: '*; !id' }, // semi-colon separated attrs
{ role: 'user', resource: 'video', action: 'update:own', attributes: ['*', '!id'] }, // Array attrs
{ role: 'user', resource: 'video', action: 'delete:own', attributes: ['*'] }
];
// valid grants object
let grantsObject: any = {
admin: {
video: {
'create:any': ['*'],
'read:any': ['*'],
'update:any': ['*'],
'delete:any': ['*']
}
},
user: {
video: {
'create:own': ['*'],
'read:own': ['*'],
'update:own': ['*'],
'delete:own': ['*']
}
}
};
// let ac;
// beforeEach (() => {
// ac = new AccessControl();
// });
// ---------------------------
// TESTS
// ---------------------------
test('throw on invalid grants object', () => {
const ac = new AccessControl();
// `undefined` does/should not throw due to default value
let invalid: any = [null, undefined, true, false, '', NaN, new Date(), () => { }];
invalid.forEach(o => {
helper.expectACError(() => new AccessControl(o));
helper.expectACError(() => ac.setGrants(o));
});
// omitting is allowed (results in empty grants object: {})
expect(() => new AccessControl()).not.toThrow();
// empty object is allowed
expect(() => new AccessControl({})).not.toThrow();
expect(new AccessControl({}).getGrants()).toEqual({});
// explicit undefined is not allowed
helper.expectACError(() => new AccessControl(undefined));
// Initial Grants as an Object
// ----------------------------
// reserved keywords
helper.expectACError(() => ac.setGrants({ '$': {} }));
helper.expectACError(() => ac.setGrants({ '$extend': {} }));
// if $extend is set to an array of strings or empty array, it's valid
// (contains inherited roles)
expect(() => ac.setGrants({ 'admin': { '$extend': [] } })).not.toThrow();
// empty string in the $extend array is not allowed
helper.expectACError(() => ac.setGrants({ 'admin': { '$extend': [''] } }));
// role definition must be an object
invalid = [[], undefined, null, true, new Date];
invalid.forEach(o => {
helper.expectACError(() => ac.setGrants({ role: invalid }));
});
// resource definition must be an object
invalid.forEach(o => {
helper.expectACError(() => ac.setGrants({ role: { resource: invalid } }));
});
// actions should be one of Action enumeration (with or without possession)
helper.expectACError(() => ac.setGrants({ role: { resource: { 'invalid': [] } } }));
helper.expectACError(() => ac.setGrants({ role: { resource: { 'remove:any': [] } } }));
// missing colon
helper.expectACError(() => ac.setGrants({ role: { resource: { 'createany': [] } } }));
// action/possession is ok but value is invalid
invalid = [undefined, null, true, new Date, {}];
invalid.forEach(o => {
helper.expectACError(() => ac.setGrants({ role: { resource: { 'create:any': invalid } } }));
});
// Initial Grants as an Array
// ----------------------------
// empty array is allowed. a flat list will be converted to inner grants
// object. empty array results in {}.
expect(() => new AccessControl([])).not.toThrow();
expect(new AccessControl([]).getGrants()).toEqual({});
// array should be an array of objects
helper.expectACError(() => ac.setGrants([[]]));
// no empty grant items
helper.expectACError(() => ac.setGrants([{}]));
// e.g. $extend is not allowed for role or resource names. it's a reserved keyword.
RESERVED_KEYWORDS.forEach(name => {
helper.expectACError(() => ac.setGrants([{ role: name, resource: 'video', action: 'create:any' }]));
helper.expectACError(() => ac.setGrants([{ role: 'admin', resource: name, action: 'create:any' }]));
helper.expectACError(() => ac.setGrants([{ role: 'admin', resource: 'video', action: name }]));
});
// attributes property can be omitted
expect(() => ac.setGrants([{ role: 'admin', resource: 'video', action: 'create:any' }])).not.toThrow();
// role, resource or action properties cannot be omitted
helper.expectACError(() => ac.setGrants([{ resource: 'video', action: 'create:any' }]));
helper.expectACError(() => ac.setGrants([{ role: 'admin', resource: 'video' }]));
helper.expectACError(() => ac.setGrants([{ role: 'admin', action: 'create:any' }]));
});
test('construct with grants array or object, output a grants object', () => {
let ac = new AccessControl(grantList);
let grants = ac.getGrants();
expect(utils.type(grants)).toEqual('object');
expect(utils.type(grants.admin)).toEqual('object');
expect(grants.admin.video['create:any']).toEqual(expect.any(Array));
// console.log(grants);
ac = new AccessControl(grantsObject);
grants = ac.getGrants();
expect(utils.type(grants)).toEqual('object');
expect(utils.type(grants.admin)).toEqual('object');
expect(grants.admin.video['create:any']).toEqual(expect.any(Array));
grants = {
'user': {
'account': {
'read:own': ['*']
}
},
'admin': {
'$extend': ['user']
}
};
ac = new AccessControl(grants);
expect(utils.type(grants)).toEqual('object');
expect(ac.can('user').readOwn('account').granted).toBe(true);
expect(ac.can('user').readOwn('account').attributes).toEqual(['*']);
expect(ac.can('admin').readOwn('account').granted).toBe(true);
expect(ac.can('admin').readOwn('account').attributes).toEqual(['*']);
});
test('reset grants with #reset() only', () => {
let ac = new AccessControl(grantsObject);
expect(ac.getRoles().length).toBeGreaterThan(0); // make sure not empty
helper.expectACError(() => (ac as any).setGrants());
helper.expectACError(() => ac.setGrants(null));
helper.expectACError(() => ac.setGrants(undefined));
expect(ac.reset().getGrants()).toEqual({});
expect(ac.setGrants({}).getGrants()).toEqual({});
});
test('add grants from flat list (db), check/remove roles and resources', () => {
const ac = new AccessControl();
expect((ac as any).hasRole()).toEqual(false);
expect(ac.hasRole(null)).toEqual(false);
expect(ac.hasRole(undefined)).toEqual(false);
expect(ac.hasRole('')).toEqual(false);
expect((ac as any).hasResource()).toEqual(false);
expect(ac.hasResource(null)).toEqual(false);
expect(ac.hasResource(undefined)).toEqual(false);
expect(ac.hasResource('')).toEqual(false);
ac.setGrants(grantList.concat());
// console.log('grants', ac.getGrants());
// console.log('resources', ac.getResources());
// console.log('roles', ac.getRoles());
// comma/semi-colon separated should be turned into string arrays
let attrs1 = ac.can('user').createOwn('video').attributes;
let attrs2 = ac.can('user').readAny('video').attributes;
let attrs3 = ac.query('user').updateOwn('video').attributes; // `query` » alias of `can`
// console.log(attrs1);
expect(attrs1.length).toEqual(2);
expect(attrs2.length).toEqual(2);
expect(attrs3.length).toEqual(2);
// check roles & resources
expect(ac.getRoles().length).toEqual(2);
expect(ac.getResources().length).toEqual(1);
expect(ac.hasRole('admin')).toEqual(true);
expect(ac.hasRole('user')).toEqual(true);
expect(ac.hasRole(['user', 'admin'])).toEqual(true);
expect(ac.hasRole(['user', 'moderator'])).toEqual(false);
expect(ac.hasRole('moderator')).toEqual(false);
expect(ac.hasResource('video')).toEqual(true);
expect(ac.hasResource(['video', 'photo'])).toEqual(false);
ac.grant('admin').create('image');
expect(ac.hasResource(['video', 'image'])).toEqual(true);
// removeRoles should also accept a string
ac.removeRoles('admin');
expect(ac.hasRole('admin')).toEqual(false);
// throw on nonexisting role
helper.expectACError(() => ac.removeRoles([]));
helper.expectACError(() => ac.removeRoles(['']));
helper.expectACError(() => ac.removeRoles(['none']));
// no role named moderator
helper.expectACError(() => ac.removeRoles(['user', 'moderator']));
expect(ac.getRoles().length).toEqual(0);
// removeRoles should accept a string or array
ac.removeResources(['video']);
expect(ac.getResources().length).toEqual(0);
expect(ac.hasResource('video')).toEqual(false);
});
test('#removeResources(), #_removePermission()', () => {
const ac = new AccessControl();
function grantAll() {
ac.grant(['user', 'admin']).create('photo').createOwn('photo');
expect(ac.can('admin').createAny('photo').granted).toEqual(true);
expect(ac.can('user').createAny('photo').granted).toEqual(true);
expect(ac.can('admin').createOwn('photo').granted).toEqual(true);
expect(ac.can('user').createOwn('photo').granted).toEqual(true);
}
grantAll();
// removeResources() is like an alias without the third argument of _removePermission().
(ac as any).removeResources('photo', 'user');
expect(ac.can('admin').createAny('photo').granted).toEqual(true);
expect(ac.can('user').createAny('photo').granted).toEqual(false);
expect(ac.can('user').createOwn('photo').granted).toEqual(false);
expect(ac.getGrants().user.photo).toBeUndefined();
helper.expectACError(() => (ac as any)._removePermission(null));
helper.expectACError(() => (ac as any)._removePermission(''));
helper.expectACError(() => (ac as any)._removePermission([]));
helper.expectACError(() => (ac as any)._removePermission(['']));
grantAll();
helper.expectACError(() => (ac as any)._removePermission('photo', ''));
helper.expectACError(() => (ac as any)._removePermission(['photo'], null));
helper.expectACError(() => (ac as any)._removePermission('photo', []));
helper.expectACError(() => (ac as any)._removePermission('photo', ['']));
// passing the third argument (actionPossession)
grantAll();
(ac as any)._removePermission('photo', 'user', 'create');
expect(ac.can('admin').createAny('photo').granted).toEqual(true);
expect(ac.can('user').createAny('photo').granted).toEqual(false);
expect(ac.can('user').createOwn('photo').granted).toEqual(true);
expect(ac.getGrants().user.photo).toBeDefined();
});
test('grant/deny access and check permissions', () => {
const ac = new AccessControl(),
attrs = ['*', '!size'];
ac.grant('user').createAny('photo', attrs);
expect(ac.getGrants().user.photo['create:any']).toEqual(attrs);
expect(ac.can('user').createAny('photo').attributes).toEqual(attrs);
ac.deny('user').createAny('photo', attrs); // <- denied even with attrs
expect(ac.can('user').createAny('photo').granted).toEqual(false);
expect(ac.can('user').createAny('photo').attributes).toEqual([]);
ac.grant('user').createOwn('photo', attrs);
// console.log('ac.getGrants()', ac.getGrants());
expect(ac.getGrants().user.photo['create:own']).toEqual(attrs);
expect(ac.can('user').createOwn('photo').attributes).toEqual(attrs);
// grant multiple roles the same permission for the same resource
ac.grant(['user', 'admin']).readAny('photo', attrs);
expect(ac.can('user').readAny('photo').granted).toEqual(true);
expect(ac.can('admin').readAny('photo').granted).toEqual(true);
// deny multiple roles (comma-separated) the same permission for the same resource
ac.deny('user, admin').readAny('photo');
expect(ac.can('user').readAny('photo').granted).toEqual(false);
expect(ac.can('admin').readAny('photo').granted).toEqual(false);
ac.grant('user').updateAny('photo', attrs);
expect(ac.getGrants().user.photo['update:any']).toEqual(attrs);
expect(ac.can('user').updateAny('photo').attributes).toEqual(attrs);
ac.grant('user').updateOwn('photo', attrs);
expect(ac.getGrants().user.photo['update:own']).toEqual(attrs);
expect(ac.can('user').updateOwn('photo').attributes).toEqual(attrs);
ac.grant('user').deleteAny('photo', attrs);
expect(ac.getGrants().user.photo['delete:any']).toEqual(attrs);
expect(ac.can('user').deleteAny('photo').attributes).toEqual(attrs);
ac.grant('user').deleteOwn('photo', attrs);
expect(ac.getGrants().user.photo['delete:own']).toEqual(attrs);
expect(ac.can('user').deleteOwn('photo').attributes).toEqual(attrs);
// `query` » alias of `can`
expect(ac.query('user').updateAny('photo').attributes).toEqual(attrs);
expect(ac.query('user').deleteAny('photo').attributes).toEqual(attrs);
expect(ac.query('user').deleteOwn('photo').attributes).toEqual(attrs);
});
test('explicit undefined', () => {
const ac = new AccessControl();
helper.expectACError(() => (ac as any).grant(undefined));
helper.expectACError(() => (ac as any).deny(undefined));
helper.expectACError(() => (ac as any).can(undefined));
helper.expectACError(() => (ac as any).query(undefined));
});
test('aliases: #allow(), #reject(), #query()', () => {
const ac = new AccessControl();
ac.grant(['user', 'admin']).createAny('photo');
expect(ac.can('user').createAny('photo').granted).toBe(true);
ac.reset();
// allow » alias of grant
ac.allow(['user', 'admin']).createAny('photo');
// query » alias of can
expect(ac.query('user').createAny('photo').granted).toBe(true);
// reject » alias of deny
ac.reject('user').createAny('photo');
expect(ac.query('user').createAny('photo').granted).toBe(false);
expect(ac.can('user').createAny('photo').granted).toBe(false);
});
test('#permission()', () => {
const ac = new AccessControl(grantsObject);
expect(ac.can('admin').createAny('video').granted).toBe(true);
let queryInfo: IQueryInfo = {
role: 'admin',
resource: 'video',
action: 'create:any'
};
expect(ac.permission(queryInfo).granted).toBe(true);
queryInfo.role = 'user';
expect(ac.permission(queryInfo).granted).toBe(false);
queryInfo.action = 'create:own';
expect(ac.permission(queryInfo).granted).toBe(true);
});
test('chain grant methods and check permissions', () => {
const ac = new AccessControl(),
attrs = ['*'];
ac.grant('superadmin')
.createAny('profile', attrs)
.readAny('profile', attrs)
.createAny('video', []) // no attributes allowed
.createAny('photo'); // all attributes allowed
expect(ac.can('superadmin').createAny('profile').granted).toEqual(true);
expect(ac.can('superadmin').readAny('profile').granted).toEqual(true);
expect(ac.can('superadmin').createAny('video').granted).toEqual(false);
expect(ac.can('superadmin').createAny('photo').granted).toEqual(true);
});
test('grant/deny access via object and check permissions', () => {
const ac = new AccessControl(),
attrs = ['*'];
let o1 = {
role: 'moderator',
resource: 'post',
action: 'create:any', // action:possession
attributes: ['*'] // grant only
};
let o2 = {
role: 'moderator',
resource: 'news',
action: 'read', // separate action
possession: 'own', // separate possession
attributes: ['*'] // grant only
};
let o3 = {
role: 'moderator',
resource: 'book',
// no action/possession set
attributes: ['*'] // grant only
};
ac.grant(o1).grant(o2);
ac.grant(o3).updateAny();
expect(ac.can('moderator').createAny('post').granted).toEqual(true);
expect(ac.can('moderator').readOwn('news').granted).toEqual(true);
expect(ac.can('moderator').updateAny('book').granted).toEqual(true);
ac.deny(o1).deny(o2);
ac.deny(o3).updateAny();
expect(ac.can('moderator').createAny('post').granted).toEqual(false);
expect(ac.can('moderator').readOwn('news').granted).toEqual(false);
expect(ac.can('moderator').updateAny('book').granted).toEqual(false);
// should overwrite already defined action/possession in o1 object
ac.grant(o1).readOwn();
expect(ac.can('moderator').readOwn('post').granted).toEqual(true);
ac.deny(o1).readOwn();
expect(ac.can('moderator').readOwn('post').granted).toEqual(false);
// non-set action (update:own)
expect(ac.can('moderator').updateOwn('news').granted).toEqual(false);
// non-existent resource
expect(ac.can('moderator').createAny('foo').granted).toEqual(false);
});
test('grant/deny access (variation, chained)', () => {
const ac = new AccessControl();
ac.setGrants(grantsObject);
expect(ac.can('admin').createAny('video').granted).toEqual(true);
ac.deny('admin').create('video');
expect(ac.can('admin').createAny('video').granted).toEqual(false);
ac.grant('foo').createOwn('bar');
expect(ac.can('foo').createAny('bar').granted).toEqual(false);
expect(ac.can('foo').createOwn('bar').granted).toEqual(true);
ac.grant('foo').create('baz', []); // no attributes, actually denied instead of granted
expect(ac.can('foo').create('baz').granted).toEqual(false);
ac.grant('qux')
.createOwn('resource1')
.updateOwn('resource2')
.readAny('resource1')
.deleteAny('resource1', []);
expect(ac.can('qux').createOwn('resource1').granted).toEqual(true);
expect(ac.can('qux').updateOwn('resource2').granted).toEqual(true);
expect(ac.can('qux').readAny('resource1').granted).toEqual(true);
expect(ac.can('qux').deleteAny('resource1').granted).toEqual(false);
ac.deny('qux')
.createOwn('resource1')
.updateOwn('resource2')
.readAny('resource1')
.deleteAny('resource1', []);
expect(ac.can('qux').createOwn('resource1').granted).toEqual(false);
expect(ac.can('qux').updateOwn('resource2').granted).toEqual(false);
expect(ac.can('qux').readAny('resource1').granted).toEqual(false);
expect(ac.can('qux').deleteAny('resource1').granted).toEqual(false);
ac.grant('editor').resource('file1').updateAny();
ac.grant().role('editor').updateAny('file2');
ac.grant().role('editor').resource('file3').updateAny();
expect(ac.can('editor').updateAny('file1').granted).toEqual(true);
expect(ac.can('editor').updateAny('file2').granted).toEqual(true);
expect(ac.can('editor').updateAny('file3').granted).toEqual(true);
ac.deny('editor').resource('file1').updateAny();
ac.deny().role('editor').updateAny('file2');
ac.deny().role('editor').resource('file3').updateAny();
expect(ac.can('editor').updateAny('file1').granted).toEqual(false);
expect(ac.can('editor').updateAny('file2').granted).toEqual(false);
expect(ac.can('editor').updateAny('file3').granted).toEqual(false);
ac.grant('editor')
.resource('fileX').readAny().createOwn()
.resource('fileY').updateOwn().deleteOwn();
expect(ac.can('editor').readAny('fileX').granted).toEqual(true);
expect(ac.can('editor').createOwn('fileX').granted).toEqual(true);
expect(ac.can('editor').updateOwn('fileY').granted).toEqual(true);
expect(ac.can('editor').deleteOwn('fileY').granted).toEqual(true);
ac.deny('editor')
.resource('fileX').readAny().createOwn()
.resource('fileY').updateOwn().deleteOwn();
expect(ac.can('editor').readAny('fileX').granted).toEqual(false);
expect(ac.can('editor').createOwn('fileX').granted).toEqual(false);
expect(ac.can('editor').updateOwn('fileY').granted).toEqual(false);
expect(ac.can('editor').deleteOwn('fileY').granted).toEqual(false);
});
test('switch-chain grant/deny roles', () => {
const ac = new AccessControl();
ac.grant('r1')
.createOwn('a')
.grant('r2')
.createOwn('b')
.readAny('b')
.deny('r1')
.deleteAny('b')
.grant('r1')
.updateAny('c')
.deny('r2')
.readAny('c');
expect(ac.can('r1').createOwn('a').granted).toEqual(true);
expect(ac.can('r1').deleteAny('b').granted).toEqual(false);
expect(ac.can('r1').updateAny('c').granted).toEqual(true);
expect(ac.can('r2').createOwn('b').granted).toEqual(true);
expect(ac.can('r2').readAny('b').granted).toEqual(true);
expect(ac.can('r2').readAny('c').granted).toEqual(false);
// console.log(JSON.stringify(ac.getGrants(), null, ' '));
});
test('Access#deny() should set attributes to []', () => {
const ac = new AccessControl();
ac.deny('user').createAny('book', ['*']);
expect(ac.getGrants().user.book['create:any']).toEqual([]);
});
test('grant comma/semi-colon separated roles', () => {
const ac = new AccessControl();
// also supporting comma/semi-colon separated roles
ac.grant('role2; role3, editor; viewer, agent').createOwn('book');
expect(ac.hasRole('role3')).toEqual(true);
expect(ac.hasRole('editor')).toEqual(true);
expect(ac.hasRole('agent')).toEqual(true);
});
test('Permission#roles, Permission#resource', () => {
const ac = new AccessControl();
// also supporting comma/semi-colon separated roles
ac.grant('foo, bar').createOwn('baz');
expect(ac.can('bar').createAny('baz').granted).toEqual(false);
expect(ac.can('bar').createOwn('baz').granted).toEqual(true);
// returned permission should provide queried role(s) as array
expect(ac.can('foo').create('baz').roles).toContain('foo');
// returned permission should provide queried resource
expect(ac.can('foo').create('baz').resource).toEqual('baz');
// create is createAny. but above only returns the queried value, not the result.
});
test('#extendRole(), #removeRoles(), Access#extend()', () => {
const ac = new AccessControl();
ac.grant('admin').createOwn('book');
// role "onur" is not found
expect(() => ac.extendRole('onur', 'admin')).toThrow();
ac.grant('onur').extend('admin');
expect(ac.getGrants().onur.$extend.length).toEqual(1);
expect(ac.getGrants().onur.$extend[0]).toEqual('admin');
ac.grant('role2, role3, editor, viewer, agent').createOwn('book');
ac.extendRole('onur', ['role2', 'role3']);
expect(ac.getGrants().onur.$extend).toEqual(['admin', 'role2', 'role3']);
ac.grant('admin').extend('editor');
expect(ac.getGrants().admin.$extend).toEqual(['editor']);
ac.grant('admin').extend(['viewer', 'editor', 'agent']).readAny('video');
expect(ac.getGrants().admin.$extend).toContain('editor');
expect(ac.getGrants().admin.$extend).toEqual(['editor', 'viewer', 'agent']);
ac.grant(['editor', 'agent']).extend(['role2', 'role3']).updateOwn('photo');
expect(ac.getGrants().editor.$extend).toEqual(['role2', 'role3']);
expect(ac.getGrants().agent.$extend).toEqual(['role2', 'role3']);
ac.removeRoles(['editor', 'agent']);
expect(ac.getGrants().editor).toBeUndefined();
expect(ac.getGrants().agent).toBeUndefined();
expect(ac.getGrants().admin.$extend).not.toContain('editor');
expect(ac.getGrants().admin.$extend).not.toContain('agent');
expect(() => ac.grant('roleX').extend('roleX')).toThrow();
expect(() => ac.grant(['admin2', 'roleX']).extend(['roleX', 'admin3'])).toThrow();
// console.log(JSON.stringify(ac.getGrants(), null, ' '));
});
test('extend before or after resource permissions are granted', () => {
let ac;
function init() {
ac = new AccessControl();
// create the roles
ac.grant(['user', 'admin']);
expect(ac.getRoles().length).toEqual(2);
}
// case #1
init();
ac.grant('admin').extend('user') // assuming user role already exists
.grant('user').createOwn('video');
expect(ac.can('admin').createOwn('video').granted).toEqual(true);
// case #2
init();
ac.grant('user').createOwn('video')
.grant('admin').extend('user');
expect(ac.can('admin').createOwn('video').granted).toEqual(true);
});
test('extend multi-level (deep) roles', () => {
let ac = new AccessControl();
ac.grant('viewer').readAny('devices');
ac.grant('ops').extend('viewer').updateAny('devices', ['*', '!id']);
ac.grant('admin').extend('ops').deleteAny('devices');
ac.grant('superadmin').extend(['admin', 'ops']).createAny('devices');
// just re-extending already extended roles. this should pass.
expect(() => ac.extendRole(['ops', 'admin'], 'viewer')).not.toThrow();
expect(ac.can('ops').readAny('devices').granted).toEqual(true);
expect(ac.can('admin').readAny('devices').granted).toEqual(true);
expect(ac.can('admin').updateAny('devices').granted).toEqual(true);
expect(ac.can('superadmin').readAny('devices').granted).toEqual(true);
expect(ac.can('superadmin').updateAny('devices').attributes).toEqual(['*', '!id']);
ac.grant('superadmin').updateAny('devices', ['*']);
expect(ac.can('superadmin').updateAny('devices').attributes).toEqual(['*']);
expect(ac.getInheritedRolesOf('viewer')).toEqual([])
expect(ac.getInheritedRolesOf('ops')).toEqual(['viewer'])
expect(ac.getInheritedRolesOf('admin')).toEqual(['ops', 'viewer'])
expect(ac.getInheritedRolesOf('superadmin')).toEqual(['admin', 'ops', 'viewer'])
// console.log(JSON.stringify(ac.getGrants(), null, ' '));
});
test('throw if target role or inherited role does not exit', () => {
const ac = new AccessControl();
helper.expectACError(() => ac.grant().createOwn());
ac.setGrants(grantsObject);
helper.expectACError(() => ac.can('invalid-role').createOwn('video'), 'Role not found');
helper.expectACError(() => ac.grant('user').extend('invalid-role'));
helper.expectACError(() => ac.grant('user').extend(['invalid1', 'invalid2']));
});
test('throw on invalid or reserved names', () => {
const ac = new AccessControl();
RESERVED_KEYWORDS.forEach(name => {
helper.expectACError(() => ac.grant(name));
helper.expectACError(() => ac.deny(name));
helper.expectACError(() => ac.grant().role(name));
helper.expectACError(() => ac.grant('role').resource(name));
});
expect(() => ac.grant()).not.toThrow(); // omitted.
helper.expectACError(() => ac.grant(undefined)); // explicit undefined
helper.expectACError(() => ac.grant(null));
helper.expectACError(() => ac.grant(''));
helper.expectACError(() => (ac as any).grant(1));
helper.expectACError(() => (ac as any).grant(true));
helper.expectACError(() => (ac as any).grant(false));
helper.expectACError(() => (ac as any).grant([]));
helper.expectACError(() => (ac as any).grant({}));
helper.expectACError(() => new AccessControl({ $: [] }));
helper.expectACError(() => new AccessControl({ $extend: {} }));
});
test('init with grants object with $extend (issue #22)', () => {
// tslint:disable
const grants = {
"viewer": {
"account": {
"read:own": ["*"]
}
},
"user": {
"$extend": ["viewer"],
"account": {
"update:own": ['*']
}
},
"admin": {
"$extend": ["user"],
"account": {
"create:any": ["*"],
"delete:any": ["*"]
}
}
};
// tslint:enable
expect(() => new AccessControl(grants)).not.toThrow();
let ac = new AccessControl();
expect(() => ac.setGrants(grants)).not.toThrow();
// store grants (1) to a constant.
const grants1 = ac.getGrants();
// ensure to reset grants
ac.reset();
expect(ac.getGrants()).toEqual({});
// now build the same grants via chained methods...
ac.grant('viewer').readOwn('account')
.grant('user').extend('viewer').updateOwn('account')
.grant('admin').extend('user').create('account').delete('account');
const grants2 = ac.getGrants();
// and compare...
expect(grants1).toEqual(grants2);
});
test('throw if a role attempts to extend itself', () => {
let ac = new AccessControl();
helper.expectACError(() => ac.grant('user').extend('user'));
const grants = { 'user': { '$extend': ['user'] } };
helper.expectACError(() => new AccessControl(grants));
ac = new AccessControl();
helper.expectACError(() => ac.setGrants(grants));
});
test('throw on cross-role inheritance', () => {
// test with chained methods
let ac = new AccessControl();
ac.grant(['user', 'admin']).createOwn('video');
// make sure roles are created
expect(ac.getRoles().length).toEqual(2);
// direct cross-inheritance test
ac.grant('admin').extend('user');
helper.expectACError(() => ac.grant('user').extend('admin'));
// deeper cross-inheritance test
ac.grant(['editor', 'viewer', 'sa']).createOwn('image');
ac.grant('sa').extend('editor');
ac.grant('editor').extend('viewer');
helper.expectACError(() => ac.grant('viewer').extend('sa'));
// test with initial grants object
// direct cross-inheritance test
// user » admin » user
let grants: any = {
'user': {
'$extend': ['admin']
},
'admin': {
'$extend': ['user']
}
};
helper.expectACError(() => new AccessControl(grants));
ac = new AccessControl();
helper.expectACError(() => ac.setGrants(grants));
// deeper cross-inheritance test
// user » sa » editor » viewer » user
grants = {
'user': {
'$extend': ['sa']
},
'sa': {
'$extend': ['editor']
},
'editor': {
'$extend': ['viewer']
},
'viewer': {
'$extend': ['user']
}
};
helper.expectACError(() => new AccessControl(grants));
ac = new AccessControl();
helper.expectACError(() => ac.setGrants(grants));
// viewer » editor » user » sa » editor
grants = {
'user': {
'$extend': ['sa']
},
'sa': {
'$extend': ['editor']
},
'editor': {
'$extend': ['user']
},
'viewer': {
'$extend': ['editor']
}
};
helper.expectACError(() => new AccessControl(grants));
ac = new AccessControl();
helper.expectACError(() => ac.setGrants(grants));
});
test('throw if grant or deny objects are invalid', () => {
const ac = new AccessControl();
let o;
o = {
role: '', // invalid role, should be non-empty string or array
resource: 'post',
action: 'create:any',
attributes: ['*'] // grant only
};
expect(() => ac.grant(o)).toThrow();
expect(() => ac.deny(o)).toThrow();
o = {
role: 'moderator',
resource: null, // invalid resource, should be non-empty string
action: 'create:any',
attributes: ['*'] // grant only
};
expect(() => ac.grant(o)).toThrow();
expect(() => ac.deny(o)).toThrow();
o = {
role: 'admin',
resource: 'post',
action: 'put:any', // invalid action, should be create|read|update|delete
attributes: ['*'] // grant only
};
expect(() => ac.grant(o)).toThrow();
expect(() => ac.deny(o)).toThrow();
o = {
role: 'admin',
resource: 'post',
action: null, // invalid action, should be create|read|update|delete
attributes: ['*'] // grant only
};
expect(() => ac.grant(o)).toThrow();
expect(() => ac.deny(o)).toThrow();
o = {
role: 'admin',
resource: 'post',
action: 'create:all', // invalid possession, should be any|own or omitted
attributes: ['*'] // grant only
};
expect(() => ac.grant(o)).toThrow();
expect(() => ac.deny(o)).toThrow();
o = {
role: 'admin2',
resource: 'post',
action: 'create', // possession omitted, will be set to any
attributes: ['*'] // grant only
};
expect(() => ac.grant(o)).not.toThrow();
expect(ac.can('admin2').createAny('post').granted).toEqual(true);
// possession "any" will also return granted=true for "own"
expect(ac.can('admin2').createOwn('post').granted).toEqual(true);
expect(() => ac.deny(o)).not.toThrow();
});
test('Check with multiple roles changes grant list (issue #2)', () => {
const ac = new AccessControl();
ac.grant('admin').updateAny('video')
.grant(['user', 'admin']).updateOwn('video');
// Admin can update any video
expect(ac.can(['admin']).updateAny('video').granted).toEqual(true);
// console.log('grants before', JSON.stringify(ac.getGrants(), null, ' '));
// This check actually changes the underlying grants
ac.can(['user', 'admin']).updateOwn('video');
// console.log('grants after', JSON.stringify(ac.getGrants(), null, ' '));
// Admin can update any or own video
expect(ac.can(['admin']).updateAny('video').granted).toEqual(true);
expect(ac.can(['admin']).updateOwn('video').granted).toEqual(true);
});
test('grant/deny multiple roles and multiple resources', () => {
const ac = new AccessControl();
ac.grant('admin, user').createAny('profile, video');
expect(ac.can('admin').createAny('profile').granted).toEqual(true);
expect(ac.can('admin').createAny('video').granted).toEqual(true);
expect(ac.can('user').createAny('profile').granted).toEqual(true);
expect(ac.can('user').createAny('video').granted).toEqual(true);
ac.grant('admin, user').createAny('profile, video', '*,!id');
expect(ac.can('admin').createAny('profile').attributes).toEqual(['*', '!id']);
expect(ac.can('admin').createAny('video').attributes).toEqual(['*', '!id']);
expect(ac.can('user').createAny('profile').attributes).toEqual(['*', '!id']);
expect(ac.can('user').createAny('video').attributes).toEqual(['*', '!id']);
ac.deny('admin, user').readAny('photo, book', '*,!id');
expect(ac.can('admin').readAny('photo').attributes).toEqual([]);
expect(ac.can('admin').readAny('book').attributes).toEqual([]);
expect(ac.can('user').readAny('photo').attributes).toEqual([]);
expect(ac.can('user').readAny('book').attributes).toEqual([]);
expect(ac.can('user').createAny('non-existent').granted).toEqual(false);
// console.log(JSON.stringify(ac.getGrants(), null, ' '));
});
test('Permission#filter()', () => {
let ac = new AccessControl();
let attrs = ['*', '!account.balance.credit', '!account.id', '!secret'];
let data: any = {
name: 'Company, LTD.',
address: {
city: 'istanbul',
country: 'TR'
},
account: {
id: 33,
taxNo: 12345,
balance: {
credit: 100,
deposit: 0
}
},
secret: {
value: 'hidden'
}
};
ac.grant('user').createOwn('company', attrs);
let permission = ac.can('user').createOwn('company');
expect(permission.granted).toEqual(true);
let filtered = permission.filter(data);
expect(filtered.name).toEqual(expect.any(String));
expect(filtered.address).toEqual(expect.any(Object));
expect(filtered.address.city).toEqual('istanbul');
expect(filtered.account).toBeDefined();
expect(filtered.account.id).toBeUndefined();
expect(filtered.account.balance).toBeDefined();
expect(filtered.account.credit).toBeUndefined();
expect(filtered.secret).toBeUndefined();
ac.deny('user').createOwn('company');
permission = ac.can('user').createOwn('company');
expect(permission.granted).toEqual(false);
filtered = permission.filter(data);
expect(filtered).toEqual({});
// filtering array of objects
ac = new AccessControl();
attrs = ['*', '!id'];
data = [
{ id: 1, name: 'x', age: 30 },
{ id: 2, name: 'y', age: 31 },
{ id: 3, name: 'z', age: 32 }
];
ac.grant('user')
.createOwn('account', ['*'])
.updateOwn('account', attrs);
permission = ac.can('user').updateOwn('account');
filtered = permission.filter(data);
expect(filtered).toEqual(expect.any(Array));
expect(filtered.length).toEqual(data.length);
});
test('union granted attributes for extended roles, on query', () => {
const ac = new AccessControl();
const restrictedAttrs = ['*', '!id', '!pwd'];
// grant user restricted attrs
ac.grant('user').updateAny('video', restrictedAttrs)
// extend admin with user as is (same attributes)
.grant('admin').extend('user');
// admin should have the same restricted attributes
expect(ac.can('admin').updateAny('video').attributes).toEqual(restrictedAttrs);
// grant admin unrestricted attrs (['*'])
ac.grant('admin').updateAny('video');
// union'ed attributes should be ['*']
expect(ac.can('admin').updateAny('video').attributes).toEqual(['*']);
ac.grant('editor').updateAny('video', ['*', '!pwd', 'title']).extend('user');
// 'title' is redundant since we have '*'.
// '!pwd' exists in both attribute lists, so it should exist in union.
expect(ac.can('editor').updateAny('video').attributes).toEqual(['*', '!pwd']);
ac.grant('role1').createOwn('photo', ['image', 'name'])
.grant('role2').createOwn('photo', ['name', '!location']) // '!location' is redundant here
.grant('role3').createOwn('photo', ['*', '!location'])
.grant('role4').extend(['role1', 'role2'])
.grant('role5').extend(['role1', 'role2', 'role3']);
// console.log(ac.can('role4').createOwn('photo').attributes);
// expect(ac.can('role4').createOwn('photo').attributes).toEqual(['image', 'name']);
expect(ac.can('role5').createOwn('photo').attributes).toEqual(['*', '!location']);
});
test('AccessControl.filter()', () => {
let o = {
name: 'John',
age: 30,
account: {
id: 1,
country: 'US'
}
};
let x = AccessControl.filter(o, ['*', '!account.id', '!age']);
expect(x.name).toEqual('John');
expect(x.account.id).toBeUndefined();
expect(x.account.country).toEqual('US');
expect(o.account.id).toEqual(1);
expect(o).not.toEqual(x);
});