modGeneratePassStandard.class.php

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<?php
/* Copyright (C) 2006-2011 Laurent Destailleur <eldy@users.sourceforge.net>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 * or see https://www.gnu.org/
 */

require_once DOL_DOCUMENT_ROOT.'/core/modules/security/generate/modules_genpassword.php';


class modGeneratePassStandard extends ModeleGenPassword
{
  public $id;

  public $length;

  public $length2;

  public $db;

  public $conf;
  public $lang;
  public $user;


  public function __construct($db, $conf, $langs, $user)
  {
    $this->id = "standard";
    $this->length = 12;
    $this->length2 = 12;

    $this->db = $db;
    $this->conf = $conf;
    $this->langs = $langs;
    $this->user = $user;
  }

  public function getDescription()
  {
    global $langs;
    return $langs->trans("PasswordGenerationStandard", $this->length);
  }

  public function getExample()
  {
    return $this->getNewGeneratedPassword();
  }

  public function getNewGeneratedPassword()
  {
    // start with a blank password
    $password = "";

    // define possible characters
    $possible = "0123456789qwertyuiopasdfghjklzxcvbnmASDFGHJKLZXCVBNMQWERTYUIOP";

    // set up a counter
    $i = 0;

    // add random characters to $password until $length is reached
    while ($i < $this->length) {
      // pick a random character from the possible ones
      if (function_exists('random_int')) {  // Cryptographic random
        $char = substr($possible, random_int(0, dol_strlen($possible) - 1), 1);
      } else {
        $char = substr($possible, mt_rand(0, dol_strlen($possible) - 1), 1);
      }

      if (substr_count($password, $char) <= 6) {  // we don't want this character if it's already 5 times in the password
        $password .= $char;
        $i++;
      }
    }

    // done!
    return $password;
  }

  public function validatePassword($password)
  {
    global $langs;

    if (dol_strlen($password) < $this->length2) {
      $langs->load("other");
      $this->error = $langs->trans("YourPasswordMustHaveAtLeastXChars", $this->length2);
      return 0;
    }

    return 1;
  }
}