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<?php
/**
 * DbAclTest file.
 *
 * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
 * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the LICENSE.txt
 * Redistributions of files must retain the above copyright notice.
 *
 * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 * @link          http://cakephp.org CakePHP(tm) Project
 * @package       Cake.Test.Case.Controller.Component.Acl
 * @since         CakePHP(tm) v 2.0
 * @license       http://www.opensource.org/licenses/mit-license.php MIT License
 */

App::uses('ComponentCollection', 'Controller');
App::uses('AclComponent', 'Controller/Component');
App::uses('DbAcl', 'Controller/Component/Acl');
App::uses('AclNode', 'Model');
App::uses('Permission', 'Model');
require_once dirname(dirname(dirname(dirname(__FILE__)))) . DS . 'Model' . DS . 'models.php';

/**
 * AclNodeTwoTestBase class
 *
 * @package       Cake.Test.Case.Controller.Component.Acl
 */
class AclNodeTwoTestBase extends AclNode {

/**
 * useDbConfig property
 *
 * @var string
 */
        public $useDbConfig = 'test';

/**
 * cacheSources property
 *
 * @var boolean
 */
        public $cacheSources = false;
}

/**
 * AroTwoTest class
 *
 * @package       Cake.Test.Case.Controller.Component.Acl
 */
class AroTwoTest extends AclNodeTwoTestBase {

/**
 * name property
 *
 * @var string
 */
        public $name = 'AroTwoTest';

/**
 * useTable property
 *
 * @var string
 */
        public $useTable = 'aro_twos';

/**
 * hasAndBelongsToMany property
 *
 * @var array
 */
        public $hasAndBelongsToMany = array('AcoTwoTest' => array('with' => 'PermissionTwoTest'));
}

/**
 * AcoTwoTest class
 *
 * @package       Cake.Test.Case.Controller.Component.Acl
 */
class AcoTwoTest extends AclNodeTwoTestBase {

/**
 * name property
 *
 * @var string
 */
        public $name = 'AcoTwoTest';

/**
 * useTable property
 *
 * @var string
 */
        public $useTable = 'aco_twos';

/**
 * hasAndBelongsToMany property
 *
 * @var array
 */
        public $hasAndBelongsToMany = array('AroTwoTest' => array('with' => 'PermissionTwoTest'));
}

/**
 * PermissionTwoTest class
 *
 * @package       Cake.Test.Case.Controller.Component.Acl
 */
class PermissionTwoTest extends Permission {

/**
 * name property
 *
 * @var string
 */
        public $name = 'PermissionTwoTest';

/**
 * useTable property
 *
 * @var string
 */
        public $useTable = 'aros_aco_twos';

/**
 * cacheQueries property
 *
 * @var boolean
 */
        public $cacheQueries = false;

/**
 * belongsTo property
 *
 * @var array
 */
        public $belongsTo = array('AroTwoTest' => array('foreignKey' => 'aro_id'), 'AcoTwoTest' => array('foreignKey' => 'aco_id'));

/**
 * actsAs property
 *
 * @var mixed null
 */
        public $actsAs = null;
}

/**
 * DbAclTwoTest class
 *
 * @package       Cake.Test.Case.Controller.Component.Acl
 */
class DbAclTwoTest extends DbAcl {

/**
 * construct method
 *
 */
        public function __construct() {
                $this->Aro = new AroTwoTest();
                $this->Aro->Permission = new PermissionTwoTest();
                $this->Aco = new AcoTwoTest();
                $this->Aro->Permission = new PermissionTwoTest();

                $this->Permission = $this->Aro->Permission;
                $this->Permission->Aro = $this->Aro;
                $this->Permission->Aco = $this->Aco;
        }

}

/**
 * Test case for AclComponent using the DbAcl implementation.
 *
 * @package       Cake.Test.Case.Controller.Component.Acl
 */
class DbAclTest extends CakeTestCase {

/**
 * fixtures property
 *
 * @var array
 */
        public $fixtures = array('core.aro_two', 'core.aco_two', 'core.aros_aco_two');

/**
 * setUp method
 *
 * @return void
 */
        public function setUp() {
                parent::setUp();
                Configure::write('Acl.classname', 'DbAclTwoTest');
                Configure::write('Acl.database', 'test');
                $Collection = new ComponentCollection();
                $this->Acl = new AclComponent($Collection);
        }

/**
 * tearDown method
 *
 * @return void
 */
        public function tearDown() {
                parent::tearDown();
                unset($this->Acl);
        }

/**
 * testAclCreate method
 *
 * @return void
 */
        public function testCreate() {
                $this->Acl->Aro->create(array('alias' => 'Chotchkey'));
                $this->assertTrue((bool)$this->Acl->Aro->save());

                $parent = $this->Acl->Aro->id;

                $this->Acl->Aro->create(array('parent_id' => $parent, 'alias' => 'Joanna'));
                $this->assertTrue((bool)$this->Acl->Aro->save());

                $this->Acl->Aro->create(array('parent_id' => $parent, 'alias' => 'Stapler'));
                $this->assertTrue((bool)$this->Acl->Aro->save());

                $root = $this->Acl->Aco->node('ROOT');
                $parent = $root[0]['AcoTwoTest']['id'];

                $this->Acl->Aco->create(array('parent_id' => $parent, 'alias' => 'Drinks'));
                $this->assertTrue((bool)$this->Acl->Aco->save());

                $this->Acl->Aco->create(array('parent_id' => $parent, 'alias' => 'PiecesOfFlair'));
                $this->assertTrue((bool)$this->Acl->Aco->save());
        }

/**
 * testAclCreateWithParent method
 *
 * @return void
 */
        public function testCreateWithParent() {
                $parent = $this->Acl->Aro->findByAlias('Peter', null, null, -1);
                $this->Acl->Aro->create();
                $this->Acl->Aro->save(array(
                        'alias' => 'Subordinate',
                        'model' => 'User',
                        'foreign_key' => 7,
                        'parent_id' => $parent['AroTwoTest']['id']
                ));
                $result = $this->Acl->Aro->findByAlias('Subordinate', null, null, -1);
                $this->assertEquals(16, $result['AroTwoTest']['lft']);
                $this->assertEquals(17, $result['AroTwoTest']['rght']);
        }

/**
 * testDbAclAllow method
 *
 * @expectedException PHPUnit_Framework_Error_Warning
 * @return void
 */
        public function testAllow() {
                $this->assertFalse($this->Acl->check('Micheal', 'tpsReports', 'read'));
                $this->assertTrue($this->Acl->allow('Micheal', 'tpsReports', array('read', 'delete', 'update')));
                $this->assertTrue($this->Acl->check('Micheal', 'tpsReports', 'update'));
                $this->assertTrue($this->Acl->check('Micheal', 'tpsReports', 'read'));
                $this->assertTrue($this->Acl->check('Micheal', 'tpsReports', 'delete'));

                $this->assertFalse($this->Acl->check('Micheal', 'tpsReports', 'create'));
                $this->assertTrue($this->Acl->allow('Micheal', 'ROOT/tpsReports', 'create'));
                $this->assertTrue($this->Acl->check('Micheal', 'tpsReports', 'create'));
                $this->assertTrue($this->Acl->check('Micheal', 'tpsReports', 'delete'));
                $this->assertTrue($this->Acl->allow('Micheal', 'printers', 'create'));
                // Michael no longer has his delete permission for tpsReports!
                $this->assertTrue($this->Acl->check('Micheal', 'tpsReports', 'delete'));
                $this->assertTrue($this->Acl->check('Micheal', 'printers', 'create'));

                $this->assertFalse($this->Acl->check('root/users/Samir', 'ROOT/tpsReports/view'));
                $this->assertTrue($this->Acl->allow('root/users/Samir', 'ROOT/tpsReports/view', '*'));
                $this->assertTrue($this->Acl->check('Samir', 'view', 'read'));
                $this->assertTrue($this->Acl->check('root/users/Samir', 'ROOT/tpsReports/view', 'update'));

                $this->assertFalse($this->Acl->check('root/users/Samir', 'ROOT/tpsReports/update', '*'));
                $this->assertTrue($this->Acl->allow('root/users/Samir', 'ROOT/tpsReports/update', '*'));
                $this->assertTrue($this->Acl->check('Samir', 'update', 'read'));
                $this->assertTrue($this->Acl->check('root/users/Samir', 'ROOT/tpsReports/update', 'update'));
                // Samir should still have his tpsReports/view permissions, but does not
                $this->assertTrue($this->Acl->check('root/users/Samir', 'ROOT/tpsReports/view', 'update'));

                $this->assertFalse($this->Acl->allow('Lumbergh', 'ROOT/tpsReports/DoesNotExist', 'create'));
        }

/**
 * Test that allow() with an invalid permission name triggers an error.
 *
 * @expectedException CakeException
 * @return void
 */
        public function testAllowInvalidPermission() {
                $this->Acl->allow('Micheal', 'tpsReports', 'derp');
        }

/**
 * testAllowInvalidNode method
 *
 * @expectedException PHPUnit_Framework_Error_Warning
 * @return void
 */
        public function testAllowInvalidNode() {
                $this->Acl->allow('Homer', 'tpsReports', 'create');
        }

/**
 * testDbAclCheck method
 *
 * @return void
 */
        public function testCheck() {
                $this->assertTrue($this->Acl->check('Samir', 'print', 'read'));
                $this->assertTrue($this->Acl->check('Lumbergh', 'current', 'read'));
                $this->assertFalse($this->Acl->check('Milton', 'smash', 'read'));
                $this->assertFalse($this->Acl->check('Milton', 'current', 'update'));

                $this->assertFalse($this->Acl->check(null, 'printers', 'create'));
                $this->assertFalse($this->Acl->check('managers', null, 'read'));

                $this->assertTrue($this->Acl->check('Bobs', 'ROOT/tpsReports/view/current', 'read'));
                $this->assertFalse($this->Acl->check('Samir', 'ROOT/tpsReports/update', 'read'));

                $this->assertFalse($this->Acl->check('root/users/Milton', 'smash', 'delete'));
        }

/**
 * testCheckInvalidNode method
 *
 * @expectedException PHPUnit_Framework_Error_Warning
 * @return void
 */
        public function testCheckInvalidNode() {
                $this->assertFalse($this->Acl->check('WRONG', 'tpsReports', 'read'));
        }

/**
 * testCheckInvalidPermission method
 *
 * @expectedException PHPUnit_Framework_Error_Notice
 * @return void
 */
        public function testCheckInvalidPermission() {
                $this->Acl->check('Lumbergh', 'smash', 'foobar');
        }

/**
 * testCheckMissingPermission method
 *
 * @expectedException PHPUnit_Framework_Error_Warning
 * @return void
 */
        public function testCheckMissingPermission() {
                $this->Acl->check('users', 'NonExistent', 'read');
        }

/**
 * testDbAclCascadingDeny function
 *
 * Setup the acl permissions such that Bobs inherits from admin.
 * deny Admin delete access to a specific resource, check the permissions are inherited.
 *
 * @return void
 */
        public function testAclCascadingDeny() {
                $this->Acl->inherit('Bobs', 'ROOT', '*');
                $this->assertTrue($this->Acl->check('admin', 'tpsReports', 'delete'));
                $this->assertTrue($this->Acl->check('Bobs', 'tpsReports', 'delete'));
                $this->Acl->deny('admin', 'tpsReports', 'delete');
                $this->assertFalse($this->Acl->check('admin', 'tpsReports', 'delete'));
                $this->assertFalse($this->Acl->check('Bobs', 'tpsReports', 'delete'));
        }

/**
 * testDbAclDeny method
 *
 * @expectedException PHPUnit_Framework_Error_Warning
 * @return void
 */
        public function testDeny() {
                $this->assertTrue($this->Acl->check('Micheal', 'smash', 'delete'));
                $this->Acl->deny('Micheal', 'smash', 'delete');
                $this->assertFalse($this->Acl->check('Micheal', 'smash', 'delete'));
                $this->assertTrue($this->Acl->check('Micheal', 'smash', 'read'));
                $this->assertTrue($this->Acl->check('Micheal', 'smash', 'create'));
                $this->assertTrue($this->Acl->check('Micheal', 'smash', 'update'));
                $this->assertFalse($this->Acl->check('Micheal', 'smash', '*'));

                $this->assertTrue($this->Acl->check('Samir', 'refill', '*'));
                $this->Acl->deny('Samir', 'refill', '*');
                $this->assertFalse($this->Acl->check('Samir', 'refill', 'create'));
                $this->assertFalse($this->Acl->check('Samir', 'refill', 'update'));
                $this->assertFalse($this->Acl->check('Samir', 'refill', 'read'));
                $this->assertFalse($this->Acl->check('Samir', 'refill', 'delete'));

                $result = $this->Acl->Aro->Permission->find('all', array('conditions' => array('AroTwoTest.alias' => 'Samir')));
                $expected = '-1';
                $this->assertEquals($expected, $result[0]['PermissionTwoTest']['_delete']);

                $this->assertFalse($this->Acl->deny('Lumbergh', 'ROOT/tpsReports/DoesNotExist', 'create'));
        }

/**
 * testAclNodeLookup method
 *
 * @return void
 */
        public function testAclNodeLookup() {
                $result = $this->Acl->Aro->node('root/users/Samir');
                $expected = array(
                        array('AroTwoTest' => array('id' => '7', 'parent_id' => '4', 'model' => 'User', 'foreign_key' => 3, 'alias' => 'Samir')),
                        array('AroTwoTest' => array('id' => '4', 'parent_id' => '1', 'model' => 'Group', 'foreign_key' => 3, 'alias' => 'users')),
                        array('AroTwoTest' => array('id' => '1', 'parent_id' => null, 'model' => null, 'foreign_key' => null, 'alias' => 'root'))
                );
                $this->assertEquals($expected, $result);

                $result = $this->Acl->Aco->node('ROOT/tpsReports/view/current');
                $expected = array(
                        array('AcoTwoTest' => array('id' => '4', 'parent_id' => '3', 'model' => null, 'foreign_key' => null, 'alias' => 'current')),
                        array('AcoTwoTest' => array('id' => '3', 'parent_id' => '2', 'model' => null, 'foreign_key' => null, 'alias' => 'view')),
                        array('AcoTwoTest' => array('id' => '2', 'parent_id' => '1', 'model' => null, 'foreign_key' => null, 'alias' => 'tpsReports')),
                        array('AcoTwoTest' => array('id' => '1', 'parent_id' => null, 'model' => null, 'foreign_key' => null, 'alias' => 'ROOT')),
                );
                $this->assertEquals($expected, $result);
        }

/**
 * testDbInherit method
 *
 * @return void
 */
        public function testInherit() {
                //parent doesn't have access inherit should still deny
                $this->assertFalse($this->Acl->check('Milton', 'smash', 'delete'));
                $this->Acl->inherit('Milton', 'smash', 'delete');
                $this->assertFalse($this->Acl->check('Milton', 'smash', 'delete'));

                //inherit parent
                $this->assertFalse($this->Acl->check('Milton', 'smash', 'read'));
                $this->Acl->inherit('Milton', 'smash', 'read');
                $this->assertTrue($this->Acl->check('Milton', 'smash', 'read'));
        }

/**
 * testDbGrant method
 *
 * @expectedException PHPUnit_Framework_Error_Warning
 * @return void
 */
        public function testGrant() {
                $this->assertFalse($this->Acl->check('Samir', 'tpsReports', 'create'));
                $this->Acl->allow('Samir', 'tpsReports', 'create');
                $this->assertTrue($this->Acl->check('Samir', 'tpsReports', 'create'));

                $this->assertFalse($this->Acl->check('Micheal', 'view', 'read'));
                $this->Acl->allow('Micheal', 'view', array('read', 'create', 'update'));
                $this->assertTrue($this->Acl->check('Micheal', 'view', 'read'));
                $this->assertTrue($this->Acl->check('Micheal', 'view', 'create'));
                $this->assertTrue($this->Acl->check('Micheal', 'view', 'update'));
                $this->assertFalse($this->Acl->check('Micheal', 'view', 'delete'));

                $this->assertFalse($this->Acl->allow('Peter', 'ROOT/tpsReports/DoesNotExist', 'create'));
        }

/**
 * testDbRevoke method
 *
 * @expectedException PHPUnit_Framework_Error_Warning
 * @return void
 */
        public function testRevoke() {
                $this->assertTrue($this->Acl->check('Bobs', 'tpsReports', 'read'));
                $this->Acl->deny('Bobs', 'tpsReports', 'read');
                $this->assertFalse($this->Acl->check('Bobs', 'tpsReports', 'read'));

                $this->assertTrue($this->Acl->check('users', 'printers', 'read'));
                $this->Acl->deny('users', 'printers', 'read');
                $this->assertFalse($this->Acl->check('users', 'printers', 'read'));
                $this->assertFalse($this->Acl->check('Samir', 'printers', 'read'));
                $this->assertFalse($this->Acl->check('Peter', 'printers', 'read'));

                $this->Acl->deny('Bobs', 'ROOT/printers/DoesNotExist', 'create');
        }

/**
 * debug function - to help editing/creating test cases for the ACL component
 *
 * To check the overall ACL status at any time call $this->_debug();
 * Generates a list of the current aro and aco structures and a grid dump of the permissions that are defined
 * Only designed to work with the db based ACL
 *
 * @param boolean $treesToo
 * @return void
 */
        protected function _debug($printTreesToo = false) {
                $this->Acl->Aro->displayField = 'alias';
                $this->Acl->Aco->displayField = 'alias';
                $aros = $this->Acl->Aro->find('list', array('order' => 'lft'));
                $acos = $this->Acl->Aco->find('list', array('order' => 'lft'));
                $rights = array('*', 'create', 'read', 'update', 'delete');
                $permissions['Aros v Acos >'] = $acos;
                foreach ($aros as $aro) {
                        $row = array();
                        foreach ($acos as $aco) {
                                $perms = '';
                                foreach ($rights as $right) {
                                        if ($this->Acl->check($aro, $aco, $right)) {
                                                if ($right === '*') {
                                                        $perms .= '****';
                                                        break;
                                                }
                                                $perms .= $right[0];
                                        } elseif ($right !== '*') {
                                                $perms .= ' ';
                                        }
                                }
                                $row[] = $perms;
                        }
                        $permissions[$aro] = $row;
                }
                foreach ($permissions as $key => $values) {
                        array_unshift($values, $key);
                        $values = array_map(array(&$this, '_pad'), $values);
                        $permissions[$key] = implode(' ', $values);
                }
                $permissions = array_map(array(&$this, '_pad'), $permissions);
                array_unshift($permissions, 'Current Permissions :');
                if ($printTreesToo) {
                        debug(array('aros' => $this->Acl->Aro->generateTreeList(), 'acos' => $this->Acl->Aco->generateTreeList()));
                }
                debug(implode("\r\n", $permissions));
        }

/**
 * pad function
 * Used by debug to format strings used in the data dump
 *
 * @param string $string
 * @param integer $len
 * @return void
 */
        protected function _pad($string = '', $len = 14) {
                return str_pad($string, $len);
        }
}