LUFEAuthService.php 7.46 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
<?php

namespace Lu\LuAuth\Services;

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

use Lu\LuApi\Authentication\LuisLibrary;
use Lu\LuAuth\Models\Sessions;
use Lu\LuAuth\Models\Users;
use TYPO3\CMS\Core\Authentication\AbstractUserAuthentication;
use TYPO3\CMS\Core\Service\AbstractService;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Core\Utility\HttpUtility;

/**
 * Class LUFEAuthService
 *
 * Frontend Authentication class
 *
 * @author  Dainis Abols <dainis.abols@lu.lv>
 * @owner   University of Latvia
 * @version 3.0
 * @since   09.04.2018
 *
 * @package Lu\LuAuth\Services
 */
class LUFEAuthService extends AbstractService
{
    /**
     * Extension configuration
     *
     * @array
     */
    public $conf;

    /**
     * Remote identity provider
     *
     * @var string
     */
    private $remoteIdentityProvider;

    /**
     * Remote IDP
     *
     * @var string
     */
    private $remoteIDP;

    /**
     * Remote Session ID
     *
     * @var string
     */
    private $remoteSessionId;

    /**
     * Remote user
     *
     * @var string
     */
    private $username;

    /**
     * Define used login provider. `default: 1433416747`
     *
     * @var string
     */
    public $loginProviderID = '1522914815';

    /**
     * Reads and initializes extension configuration
     *
     * @return bool
     */
Dainis Abols's avatar
4.2.4    
Dainis Abols committed
87
    public function init():bool
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
    {
        // Set config value
        $this->conf = GeneralUtility::makeInstance(\TYPO3\CMS\Core\Configuration\ExtensionConfiguration::class)->get('lu_auth');

        // Set identify provider
        $this->remoteIdentityProvider = $_SERVER[$this->conf['remoteIdentityProvider']];

        // Set Required IDP
        $this->remoteIDP = $this->conf['remoteIDP'];

        // Set Session ID
        $this->remoteSessionId = $_SERVER[$this->conf['remoteSessionId']];

        // Set remove user parameter
        $this->username = $_SERVER[$this->conf['remoteUser']];

        // Check if logout is requested
        $logintype = GeneralUtility::_GP('logintype');
        if ($logintype == 'logout') {
            return $this->setLogout();
        }

        return parent::init();
    }

    /**
     * Initializes authentication for this service.
     *
     * @param string                     $subType                   : Subtype for authentication (either "getUserFE" or "getUserBE")
     * @param array                      $loginData                 : Login data submitted by user and preprocessed by AbstractUserAuthentication
     * @param array                      $authenticationInformation : Additional TYPO3 information for authentication services (unused here)
     * @param AbstractUserAuthentication $parentObject              Calling object
     *
     * @return void
     */
    public function initAuth($subType, array $loginData, array $authenticationInformation, AbstractUserAuthentication &$parentObject)
    {
        // Store login and authentication data
        $this->loginData                 = $loginData;
        $this->authenticationInformation = $authenticationInformation;
        $this->parentObject              = $parentObject;
    }

    /**
     * Get user data and redirect to auth site, if login successful
     *
     * @return array|null
     */
    public function getUser()
    {
        // Set initial authenticated value un false
        $user = [
            'authenticated' => false,
        ];

        if (!empty($this->remoteSessionId) && preg_match("/{$this->remoteIDP}/", $this->remoteIdentityProvider)) {
            // Check user. If saved in our system - login, else - create one and then, login
            $user = $this->syncSingleUserData();

            // Check if user is allowed to use system!
            if (!empty($user)) {
                $user['authenticated'] = true;
            } else {
                return null;
            }
        }

        // Return user data
        return $user;
    }

    /**
     * Authenticates the user
     *
     * @param array $user
     *
     * @return bool|int|mixed
     */
    public function authUser(array $user)
    {
        // Sets initial to 100
        $OK = 100;

        if ($this->username) {
            $OK = @$user['authenticated'];

            // Failed login attempt (wrong password) - write that to the log!
            if (!$OK) {
                if ($this->writeAttemptLog) {
                    $this->writelog(
                        255, 3, 3, 1,
                        "Login-attempt from %s (%s), username '%s', password not accepted!",
                        [
                            $this->info['REMOTE_ADDR'],
                            $this->info['REMOTE_HOST'],
                            $this->username,
                        ]
                    );
                }
            }

            // Set 200, if authenticated
            $OK = $OK ? 200 : 100;
        }

        // Check domain lock
        if ($OK && $user['lockToDomain'] && $user['lockToDomain'] != $this->authInfo['HTTP_HOST']) {
            if ($this->writeAttemptLog) {
                $this->writelog(
                    255, 3, 3, 1,
                    "Login-attempt from %s (%s), username '%s', locked domain '%s' did not match '%s'!",
                    [
                        $this->authInfo['REMOTE_ADDR'],
                        $this->authInfo['REMOTE_HOST'],
                        $user[$this->authInfo['db_user']['username_column']],
                        $user['lockToDomain'], $this->authInfo['HTTP_HOST'],
                    ]
                );
            }

            $OK = false;
        }

        return $OK;
    }

    /**
     * Retrieve user data or create one, if none present
     *
     * @return array|bool
     */
    private function syncSingleUserData()
    {
        // Pre-set used models
        $UserModel = new Users('fe');
        $LuisLib   = new LuisLibrary();

        // Get user date and reactivate if disabled
        $user = $UserModel->getUserData($this->username, 'activate');

        // If still no user, try to catch a new user
        if (empty($user)) {
            $user = $LuisLib->getUserData($this->username);

            $userData = json_decode($user, true);
            if ($userData['code'] == 200) {
                $user = $userData['data'];
            }

            $user = $UserModel->insertUser($user);
        } else {
            $user = $LuisLib->getUserData($this->username);

            $userData = json_decode($user, true);
            if ($userData['code'] == 200) {
                $user = $userData['data'];
            }

            $user = $UserModel->updateUser($user);
        }

        // Return user
        return $user;
    }

    /**
     * Set logout and redirect to provided url
     *
     * @return null
     */
    private function setLogout()
    {
        // Destroy session
        $SessionsModel = new Sessions('fe');
        $SessionsModel->destroy();

        // Redirect if logoutHandler is set.
        if (!empty($this->conf['logoutInfoUrl'])) {
            $redirectUrl = GeneralUtility::sanitizeLocalUrl($this->conf['logoutInfoUrl']);
            HttpUtility::redirect($redirectUrl);
        }

        return null;
    }
}