modGeneratePassPerso.class.php

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<?php
/* Copyright (C) 2006-2011  Laurent Destailleur <eldy@users.sourceforge.net>
 * Copyright (C) 2014   Teddy Andreotti   <125155@supinfo.com>
 * Copyright (C) 2017   Regis Houssin   <regis.houssin@inodbox.com>
 *
 * 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 modGeneratePassPerso extends ModeleGenPassword
{
  public $id;

  public $length;
  public $length2; // didn't overright display
  public $NbMaj;
  public $NbNum;
  public $NbSpe;
  public $NbRepeat;
  public $WithoutAmbi;

  public $db;

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

  public $Maj;
  public $Min;
  public $Nb;
  public $Spe;
  public $Ambi;
  public $All;

  public function __construct($db, $conf, $langs, $user)
  {
    $this->id = "Perso";
    $this->length = $langs->trans("SetupPerso");

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

    if (empty($conf->global->USER_PASSWORD_PATTERN)) {
      // default value (10carac, 1maj, 1digit, 1spe,  3 repeat, no ambi at auto generation.
      dolibarr_set_const($db, "USER_PASSWORD_PATTERN", '10;1;1;1;3;1', 'chaine', 0, '', $conf->entity);
    }

    $this->Maj = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
    $this->Min = strtolower($this->Maj);
    $this->Nb = "0123456789";
    $this->Spe = "!@#$%&*()_-+={}[]\\|:;'/";
    $this->Ambi = array("1", "I", "l", "|", "O", "0");

    $tabConf = explode(";", $conf->global->USER_PASSWORD_PATTERN);
    $this->length2 = $tabConf[0];
    $this->NbMaj = $tabConf[1];
    $this->NbNum = $tabConf[2];
    $this->NbSpe = $tabConf[3];
    $this->NbRepeat = $tabConf[4];
    $this->WithoutAmbi = $tabConf[5];

    if ($this->WithoutAmbi)
    {
      $this->Maj = str_replace($this->Ambi, "", $this->Maj);
      $this->Min = str_replace($this->Ambi, "", $this->Min);
      $this->Nb  = str_replace($this->Ambi, "", $this->Nb);
      $this->Spe = str_replace($this->Ambi, "", $this->Spe);
    }

    $pattern = $this->Min.(!empty($this->NbMaj) ? $this->Maj : '').(!empty($this->NbNum) ? $this->Nb : '').(!empty($this->NbSpe) ? $this->Spe : '');
    $this->All = str_shuffle($pattern);

    //$this->All = str_shuffle($this->Maj. $this->Min. $this->Nb. $this->Spe);
    //$this->All = $this->Maj. $this->Min. $this->Nb. $this->Spe;
    //$this->All =  $this->Spe;
  }

  public function getDescription()
  {
    global $langs;
    return $langs->trans("PasswordGenerationPerso");
  }

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

  public function getNewGeneratedPassword()
  {
    $pass = "";
    for ($i = 0; $i < $this->NbMaj; $i++) {
      // Y
      $pass .= $this->Maj[mt_rand(0, strlen($this->Maj) - 1)];
    }

    for ($i = 0; $i < $this->NbNum; $i++) {
      // X
      $pass .= $this->Nb[mt_rand(0, strlen($this->Nb) - 1)];
    }

    for ($i = 0; $i < $this->NbSpe; $i++) {
      // @
      $pass .= $this->Spe[mt_rand(0, strlen($this->Spe) - 1)];
    }

    for ($i = strlen($pass); $i < $this->length2; $i++) {
      // y
      $pass .= $this->All[mt_rand(0, strlen($this->All) - 1)];
    }

    $pass = str_shuffle($pass);

    if ($this->validatePassword($pass)) {
      return $pass;
    }

    return $this->getNewGeneratedPassword();
  }

  public function validatePassword($password)
  {
    $password_a = str_split($password);
    $maj = str_split($this->Maj);
    $num = str_split($this->Nb);
    $spe = str_split($this->Spe);

    if (count(array_intersect($password_a, $maj)) < $this->NbMaj) {
      return false;
    }

    if (count(array_intersect($password_a, $num)) < $this->NbNum) {
      return false;
    }

    if (count(array_intersect($password_a, $spe)) < $this->NbSpe) {
      return false;
    }

    if (!$this->consecutiveInterationSameCharacter($password)) {
      return false;
    }

    return true;
  }

  private function consecutiveInterationSameCharacter($password)
  {
    $last = "";

    if (empty($this->NbRepeat)) return 1;

    $count = 0;
    $char = str_split($password);

    foreach ($char as $c) {
      if ($c != $last) {
        $last = $c;
        $count = 0;

        continue;
      }

      $count++;
      if ($count > $this->NbRepeat) {
        return false;
      }
    }

    return true;
  }
}