plugins/UsersManager/Validators/Login.php


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

<?php
/**
 * Matomo - free/libre analytics platform
 *
 * @link https://matomo.org
 * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 *
 */

namespace Piwik\Plugins\UsersManager\Validators;

use Piwik\Piwik;
use Piwik\SettingsPiwik;
use Piwik\Plugins\UsersManager\API as APIUsersManager;
use Piwik\Validators\BaseValidator;
use Piwik\Validators\Exception;


class Login extends BaseValidator
{
    const loginMinimumLength = 2;
    const loginMaximumLength = 100;

    private $checkUnique;

    public function __construct($checkUnique = false)
    {
        $this->checkUnique = $checkUnique;
    }

    public function validate($value)
    {
        if (!SettingsPiwik::isUserCredentialsSanityCheckEnabled()
          && !empty($value)
        ) {
            return;
        }

        $l = strlen($value);
        if (!($l >= self::loginMinimumLength
          && $l <= self::loginMaximumLength
          && (preg_match('/^[A-Za-zÄäÖöÜüß0-9_.@+-]*$/D', $value) > 0))
        ) {
            throw new Exception(Piwik::translate('UsersManager_ExceptionInvalidLoginFormat',
              array(self::loginMinimumLength, self::loginMaximumLength)));
        }

        if ($this->checkUnique) {
            $this->isUnique($value);
        }
    }

    /**
     * check if login already exist in database
     * @param $login
     * @throws \Exception
     */
    private function isUnique($login)
    {
        if (APIUsersManager::getInstance()->userExists($login)) {
            throw new Exception(Piwik::translate('UsersManager_ExceptionLoginExists', $login));
        }

        if (APIUsersManager::getInstance()->userEmailExists($login)) {
            throw new Exception(Piwik::translate('UsersManager_ExceptionLoginExistsAsEmail', $login));
        }
    }
}