Cakephp3 ログイン認証が出来ません。

CakePhp3でAuthComponentを使用してログイン認証を行いたいのです。
下記のコードでログイン画面は表示されるのですが、ログインができません。
どこが悪い、またはどこが足りないのかご教授いただけないでしょうか。

・テーブル

sql
1CREATE TABLE `users` (
2  `id` int(10) UNSIGNED NOT NULL,
3  `username` varchar(50) DEFAULT NULL,
4  `password` varchar(255) DEFAULT NULL,
5  `role` varchar(20) DEFAULT NULL,
6  `created` datetime DEFAULT NULL,
7  `modified` datetime DEFAULT NULL
8) ENGINE=InnoDB DEFAULT CHARSET=utf8;

・appController.php

php
1    public function initialize()
2    {
3        parent::initialize();
4
5        $this->loadComponent('Flash'); // Flashコンポーネント。エラーメッセージの表示などに使用
6        $this->loadComponent('RequestHandler'); // RequestHandlerコンポーネント。入力されたデータの取得などに使用
7        $this->loadComponent('Auth', [
8            'loginAction' => [
9                'controller' => 'Users',
10                'action' => 'login',
11            ],
12            'authorize' => ['Controller'],
13            'authError' => 'ログインしてください',
14            'authenticate' => [
15                'Form' => [
16                    'fields' => ['username' => 'username',
17                                  'password' => 'password'
18                                ]  
19                ]
20            ],
21            'loginRedirect' => ['controller' => 'Users',
22                                'action' => 'index'],
23                'logoutRedirect' => [
24                        'controller' => 'Users',
25                        'action' => 'login',
26                ]
27
28        ]);

・UsersTable.php

php
1
2namespace App\Model\Table;
3
4use Cake\ORM\Query;
5use Cake\ORM\RulesChecker;
6use Cake\ORM\Table;
7use Cake\Validation\Validator;
8
9/**
10 * Users Model
11 *
12 * @method \App\Model\Entity\User get($primaryKey, $options = [])
13 * @method \App\Model\Entity\User newEntity($data = null, array $options = [])
14 * @method \App\Model\Entity\User[] newEntities(array $data, array $options = [])
15 * @method \App\Model\Entity\User|bool save(\Cake\Datasource\EntityInterface $entity, $options = [])
16 * @method \App\Model\Entity\User patchEntity(\Cake\Datasource\EntityInterface $entity, array $data, array $options = [])
17 * @method \App\Model\Entity\User[] patchEntities($entities, array $data, array $options = [])
18 * @method \App\Model\Entity\User findOrCreate($search, callable $callback = null, $options = [])
19 *
20 * @mixin \Cake\ORM\Behavior\TimestampBehavior
21 */
22class UsersTable extends Table
23{
24
25    /**
26     * Initialize method
27     *
28     * @param array $config The configuration for the Table.
29     * @return void
30     */
31    public function initialize(array $config)
32    {
33        parent::initialize($config);
34
35        $this->setTable('users');
36        $this->setDisplayField('id');
37        $this->setPrimaryKey('id');
38
39        $this->addBehavior('Timestamp');
40    }
41
42    /**
43     * Default validation rules.
44     *
45     * @param \Cake\Validation\Validator $validator Validator instance.
46     * @return \Cake\Validation\Validator
47     */
48    public function validationDefault(Validator $validator)
49    {
50        $validator
51            ->integer('id')
52            ->allowEmpty('id', 'create');
53
54        $validator
55            ->allowEmpty('username');
56
57        $validator
58            ->allowEmpty('password');
59
60        $validator
61            ->allowEmpty('role');
62
63        return $validator;
64    }
65
66    /**
67     * Returns a rules checker object that will be used for validating
68     * application integrity.
69     *
70     * @param \Cake\ORM\RulesChecker $rules The rules object to be modified.
71     * @return \Cake\ORM\RulesChecker
72     */
73    public function buildRules(RulesChecker $rules)
74    {
75        $rules->add($rules->isUnique(['username']));
76
77        return $rules;
78    }
79}
80

・User.php(Entity)

php
1<?php
2namespace App\Model\Entity;
3
4use Cake\ORM\Entity;
5
6/**
7 * User Entity
8 *
9 * @property int $id
10 * @property string $username
11 * @property string $password
12 * @property string $role
13 * @property \Cake\I18n\FrozenTime $created
14 * @property \Cake\I18n\FrozenTime $modified
15 */
16class User extends Entity
17{
18
19    /**
20     * Fields that can be mass assigned using newEntity() or patchEntity().
21     *
22     * Note that when '*' is set to true, this allows all unspecified fields to
23     * be mass assigned. For security purposes, it is advised to set '*' to false
24     * (or remove it), and explicitly make individual fields accessible as needed.
25     *
26     * @var array
27     */
28    protected $_accessible = [
29        '*' => true,
30        'id' => false
31    ];
32
33    /**
34     * Fields that are excluded from JSON versions of the entity.
35     *
36     * @var array
37     */
38    protected $_hidden = [
39        'password'
40    ];
41
42protected function _setPassword($password)
43    {
44        return (new DefaultPasswordHasher)->hash($password);
45    }
46}
47

・UsersController.php

php
1
2		function login(){
3			if($this->request->isPost()){
4				$user = $this->Auth->identify();
5				if(!empty($user)){
6					$this->Auth->setUser($user);
7					return $this->redirect($this->Auth->redirectUrl());
8				}
9				$this->Flash->error('ユーザー名かパスワードが間違っています。');
10			}
11		}

・login.ctp

php
1<div class="users form">
2<?= $this->Flash->render('auth') ?>
3<?= $this->form->create() ?>
4	<fieldset>
5		<legend>アカウント名とパスワードを入力ください</legend>
6		<?= $this->Form->input('username'); ?>
7		<?= $this->Form->input('password'); ?>
8	</fieldset>
9<?= $this->Form->button(__('送信')); ?>
10<?= $this->Form->end(); ?>
11</div>