436 lines
14 KiB
JavaScript
436 lines
14 KiB
JavaScript
// Copyright IBM Corp. 2013,2016. All Rights Reserved.
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// Node module: loopback
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// This file is licensed under the MIT License.
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// License text available at https://opensource.org/licenses/MIT
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var assert = require('assert');
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var loopback = require('../index');
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var Scope = loopback.Scope;
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var ACL = loopback.ACL;
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var Role = loopback.Role;
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var RoleMapping = loopback.RoleMapping;
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var User = loopback.User;
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var testModel;
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function checkResult(err, result) {
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// console.log(err, result);
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assert(!err);
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}
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var ds = null;
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before(function() {
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ds = loopback.createDataSource({ connector: loopback.Memory });
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});
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describe('security scopes', function() {
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beforeEach(function() {
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var ds = this.ds = loopback.createDataSource({ connector: loopback.Memory });
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testModel = loopback.PersistedModel.extend('testModel');
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ACL.attachTo(ds);
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Role.attachTo(ds);
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RoleMapping.attachTo(ds);
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User.attachTo(ds);
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Scope.attachTo(ds);
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testModel.attachTo(ds);
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});
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it('should allow access to models for the given scope by wildcard', function() {
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Scope.create({ name: 'userScope', description: 'access user information' },
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function(err, scope) {
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ACL.create({
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principalType: ACL.SCOPE, principalId: scope.id,
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model: 'User', property: ACL.ALL,
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accessType: ACL.ALL, permission: ACL.ALLOW,
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}, function(err, resource) {
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Scope.checkPermission('userScope', 'User', ACL.ALL, ACL.ALL, checkResult);
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Scope.checkPermission('userScope', 'User', 'name', ACL.ALL, checkResult);
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Scope.checkPermission('userScope', 'User', 'name', ACL.READ, checkResult);
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});
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});
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});
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it('should allow access to models for the given scope', function() {
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Scope.create({ name: 'testModelScope', description: 'access testModel information' },
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function(err, scope) {
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ACL.create({
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principalType: ACL.SCOPE, principalId: scope.id,
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model: 'testModel', property: 'name',
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accessType: ACL.READ, permission: ACL.ALLOW,
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}, function(err, resource) {
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ACL.create({ principalType: ACL.SCOPE, principalId: scope.id,
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model: 'testModel', property: 'name',
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accessType: ACL.WRITE, permission: ACL.DENY,
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}, function(err, resource) {
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// console.log(resource);
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Scope.checkPermission('testModelScope', 'testModel', ACL.ALL, ACL.ALL,
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function(err, perm) {
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assert(perm.permission === ACL.DENY); // because name.WRITE == DENY
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});
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Scope.checkPermission('testModelScope', 'testModel', 'name', ACL.ALL,
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function(err, perm) {
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assert(perm.permission === ACL.DENY); // because name.WRITE == DENY
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});
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Scope.checkPermission('testModelScope', 'testModel', 'name', ACL.READ,
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function(err, perm) {
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assert(perm.permission === ACL.ALLOW);
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});
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Scope.checkPermission('testModelScope', 'testModel', 'name', ACL.WRITE,
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function(err, perm) {
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assert(perm.permission === ACL.DENY);
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});
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});
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});
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});
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});
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});
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describe('security ACLs', function() {
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it('should order ACL entries based on the matching score', function() {
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var acls = [
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{
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'model': 'account',
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'accessType': '*',
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'permission': 'DENY',
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'principalType': 'ROLE',
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'principalId': '$everyone',
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},
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{
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'model': 'account',
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'accessType': '*',
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'permission': 'ALLOW',
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'principalType': 'ROLE',
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'principalId': '$owner',
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},
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{
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'model': 'account',
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'accessType': 'READ',
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'permission': 'ALLOW',
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'principalType': 'ROLE',
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'principalId': '$everyone',
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}];
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var req = {
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model: 'account',
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property: 'find',
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accessType: 'WRITE',
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};
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acls = acls.map(function(a) { return new ACL(a); });
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var perm = ACL.resolvePermission(acls, req);
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assert.deepEqual(perm, { model: 'account',
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property: 'find',
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accessType: 'WRITE',
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permission: 'ALLOW',
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methodNames: [] });
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});
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it('should allow access to models for the given principal by wildcard', function() {
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// jscs:disable validateIndentation
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ACL.create({
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principalType: ACL.USER, principalId: 'u001', model: 'User', property: ACL.ALL,
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accessType: ACL.ALL, permission: ACL.ALLOW,
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}, function(err, acl) {
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ACL.create({
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principalType: ACL.USER, principalId: 'u001', model: 'User', property: ACL.ALL,
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accessType: ACL.READ, permission: ACL.DENY,
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}, function(err, acl) {
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ACL.checkPermission(ACL.USER, 'u001', 'User', 'name', ACL.READ, function(err, perm) {
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assert(perm.permission === ACL.DENY);
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});
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ACL.checkPermission(ACL.USER, 'u001', 'User', 'name', ACL.ALL, function(err, perm) {
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assert(perm.permission === ACL.DENY);
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});
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});
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});
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});
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it('should allow access to models by exception', function() {
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ACL.create({
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principalType: ACL.USER, principalId: 'u001', model: 'testModel', property: ACL.ALL,
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accessType: ACL.ALL, permission: ACL.DENY,
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}, function(err, acl) {
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ACL.create({
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principalType: ACL.USER, principalId: 'u001', model: 'testModel', property: ACL.ALL,
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accessType: ACL.READ, permission: ACL.ALLOW,
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}, function(err, acl) {
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ACL.create({
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principalType: ACL.USER, principalId: 'u002', model: 'testModel', property: ACL.ALL,
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accessType: ACL.EXECUTE, permission: ACL.ALLOW,
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}, function(err, acl) {
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ACL.checkPermission(ACL.USER, 'u001', 'testModel', 'name', ACL.READ,
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function(err, perm) {
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assert(perm.permission === ACL.ALLOW);
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});
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ACL.checkPermission(ACL.USER, 'u001', 'testModel', ACL.ALL, ACL.READ,
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function(err, perm) {
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assert(perm.permission === ACL.ALLOW);
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});
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ACL.checkPermission(ACL.USER, 'u001', 'testModel', 'name', ACL.WRITE,
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function(err, perm) {
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assert(perm.permission === ACL.DENY);
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});
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ACL.checkPermission(ACL.USER, 'u001', 'testModel', 'name', ACL.ALL,
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function(err, perm) {
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assert(perm.permission === ACL.DENY);
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});
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ACL.checkPermission(ACL.USER, 'u002', 'testModel', 'name', ACL.WRITE,
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function(err, perm) {
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assert(perm.permission === ACL.ALLOW);
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});
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ACL.checkPermission(ACL.USER, 'u002', 'testModel', 'name', ACL.READ,
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function(err, perm) {
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assert(perm.permission === ACL.ALLOW);
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});
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});
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});
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});
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});
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it('should honor defaultPermission from the model', function() {
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var Customer = ds.createModel('Customer', {
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name: {
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type: String,
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acls: [
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{ principalType: ACL.USER, principalId: 'u001',
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accessType: ACL.WRITE, permission: ACL.DENY },
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{ principalType: ACL.USER, principalId: 'u001',
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accessType: ACL.ALL, permission: ACL.ALLOW },
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],
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},
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}, {
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acls: [
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{ principalType: ACL.USER, principalId: 'u001',
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accessType: ACL.ALL, permission: ACL.ALLOW },
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],
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});
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Customer.settings.defaultPermission = ACL.DENY;
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ACL.checkPermission(ACL.USER, 'u001', 'Customer', 'name', ACL.WRITE,
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function(err, perm) {
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assert(perm.permission === ACL.DENY);
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});
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ACL.checkPermission(ACL.USER, 'u001', 'Customer', 'name', ACL.READ, function(err, perm) {
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assert(perm.permission === ACL.ALLOW);
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});
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ACL.checkPermission(ACL.USER, 'u002', 'Customer', 'name', ACL.WRITE, function(err, perm) {
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assert(perm.permission === ACL.DENY);
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});
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});
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it('should honor static ACLs from the model', function() {
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var Customer = ds.createModel('Customer', {
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name: {
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type: String,
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acls: [
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{ principalType: ACL.USER, principalId: 'u001',
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accessType: ACL.WRITE, permission: ACL.DENY },
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{ principalType: ACL.USER, principalId: 'u001',
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accessType: ACL.ALL, permission: ACL.ALLOW },
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],
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},
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}, {
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acls: [
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{ principalType: ACL.USER, principalId: 'u001',
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accessType: ACL.ALL, permission: ACL.ALLOW },
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{ principalType: ACL.USER, principalId: 'u002',
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accessType: ACL.EXECUTE, permission: ACL.ALLOW },
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{ principalType: ACL.USER, principalId: 'u003',
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accessType: ACL.EXECUTE, permission: ACL.DENY },
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],
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});
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/*
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Customer.settings.acls = [
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{principalType: ACL.USER, principalId: 'u001', accessType: ACL.ALL, permission: ACL.ALLOW}
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];
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*/
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ACL.checkPermission(ACL.USER, 'u001', 'Customer', 'name', ACL.WRITE,
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function(err, perm) {
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assert(perm.permission === ACL.DENY);
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});
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ACL.checkPermission(ACL.USER, 'u001', 'Customer', 'name', ACL.READ,
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function(err, perm) {
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assert(perm.permission === ACL.ALLOW);
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});
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ACL.checkPermission(ACL.USER, 'u001', 'Customer', 'name', ACL.ALL,
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function(err, perm) {
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assert(perm.permission === ACL.ALLOW);
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});
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ACL.checkPermission(ACL.USER, 'u002', 'Customer', 'name', ACL.READ,
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function(err, perm) {
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assert(perm.permission === ACL.ALLOW);
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});
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ACL.checkPermission(ACL.USER, 'u003', 'Customer', 'name', ACL.WRITE,
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function(err, perm) {
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assert(perm.permission === ACL.DENY);
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});
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});
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it('should filter static ACLs by model/property', function() {
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var Model1 = ds.createModel('Model1', {
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name: {
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type: String,
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acls: [
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{ principalType: ACL.USER, principalId: 'u001',
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accessType: ACL.WRITE, permission: ACL.DENY },
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{ principalType: ACL.USER, principalId: 'u001',
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accessType: ACL.ALL, permission: ACL.ALLOW },
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],
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},
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}, {
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acls: [
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{ principalType: ACL.USER, principalId: 'u001', property: 'name',
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accessType: ACL.ALL, permission: ACL.ALLOW },
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{ principalType: ACL.USER, principalId: 'u002', property: 'findOne',
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accessType: ACL.ALL, permission: ACL.ALLOW },
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{ principalType: ACL.USER, principalId: 'u003', property: ['findOne', 'findById'],
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accessType: ACL.ALL, permission: ACL.ALLOW },
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],
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});
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var staticACLs = ACL.getStaticACLs('Model1', 'name');
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assert(staticACLs.length === 3);
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staticACLs = ACL.getStaticACLs('Model1', 'findOne');
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assert(staticACLs.length === 2);
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staticACLs = ACL.getStaticACLs('Model1', 'findById');
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assert(staticACLs.length === 1);
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assert(staticACLs[0].property === 'findById');
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});
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it('should check access against LDL, ACL, and Role', function() {
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// var log = console.log;
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var log = function() {};
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// Create
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User.create({ name: 'Raymond', email: 'x@y.com', password: 'foobar' }, function(err, user) {
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log('User: ', user.toObject());
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var userId = user.id;
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// Define a model with static ACLs
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var Customer = ds.createModel('Customer', {
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name: {
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type: String,
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acls: [
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{ principalType: ACL.USER, principalId: userId,
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accessType: ACL.WRITE, permission: ACL.DENY },
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{ principalType: ACL.USER, principalId: userId,
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accessType: ACL.ALL, permission: ACL.ALLOW },
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],
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},
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}, {
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acls: [
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{ principalType: ACL.USER, principalId: userId,
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accessType: ACL.ALL, permission: ACL.ALLOW },
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],
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defaultPermission: 'DENY',
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});
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ACL.create({
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principalType: ACL.USER, principalId: userId,
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model: 'Customer', property: ACL.ALL,
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accessType: ACL.ALL, permission: ACL.ALLOW,
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}, function(err, acl) {
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log('ACL 1: ', acl.toObject());
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Role.create({ name: 'MyRole' }, function(err, myRole) {
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log('Role: ', myRole.toObject());
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myRole.principals.create({ principalType: RoleMapping.USER, principalId: userId },
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function(err, p) {
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log('Principal added to role: ', p.toObject());
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ACL.create({
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principalType: ACL.ROLE, principalId: 'MyRole',
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model: 'Customer', property: ACL.ALL,
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accessType: ACL.READ, permission: ACL.DENY,
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}, function(err, acl) {
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log('ACL 2: ', acl.toObject());
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ACL.checkAccessForContext({
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principals: [
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{ type: ACL.USER, id: userId },
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],
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model: 'Customer',
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property: 'name',
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accessType: ACL.READ,
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}, function(err, access) {
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assert(!err && access.permission === ACL.ALLOW);
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});
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ACL.checkAccessForContext({
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principals: [
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{ type: ACL.ROLE, id: Role.EVERYONE },
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],
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model: 'Customer',
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property: 'name',
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accessType: ACL.READ,
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}, function(err, access) {
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assert(!err && access.permission === ACL.DENY);
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});
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});
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});
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});
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});
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});
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});
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});
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describe('access check', function() {
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var app;
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before(function() {
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app = loopback();
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app.use(loopback.rest());
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app.enableAuth();
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app.dataSource('test', { connector: 'memory' });
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});
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it('should occur before other remote hooks', function(done) {
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var MyTestModel = app.model('MyTestModel', { base: 'PersistedModel', dataSource: 'test' });
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var checkAccessCalled = false;
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var beforeHookCalled = false;
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// fake / spy on the checkAccess method
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MyTestModel.checkAccess = function() {
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var cb = arguments[arguments.length - 1];
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checkAccessCalled = true;
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var allowed = true;
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cb(null, allowed);
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};
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MyTestModel.beforeRemote('find', function(ctx, next) {
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// ensure this is called after checkAccess
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if (!checkAccessCalled) return done(new Error('incorrect order'));
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beforeHookCalled = true;
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next();
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});
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request(app)
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.get('/MyTestModels')
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.end(function(err, result) {
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assert(beforeHookCalled, 'the before hook should be called');
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assert(checkAccessCalled, 'checkAccess should have been called');
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done();
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});
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});
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});
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