modCaptchaStandard.class.php

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<?php
/* Copyright (C) 2006-2011  Laurent Destailleur     <eldy@users.sourceforge.net>
 * Copyright (C) 2024   Frédéric France     <frederic.france@free.fr>
 *
 * 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/captcha/modules_captcha.php';
 require_once DOL_DOCUMENT_ROOT.'/core/modules/security/generate/modGeneratePassStandard.class.php';
 
 
class modCaptchaStandard extends ModeleCaptcha
{
  public $id;
 
  public $picto = 'fa-shield-alt';
 
  public function __construct($db, $conf, $langs, $user)
  {
    $this->id = "standard";
 
    $this->db = $db;
    $this->conf = $conf;
    $this->langs = $langs;
    $this->user = $user;
  }
 
  public function getDescription()
  {
    global $langs;
    return $langs->trans("DolibarrStandardCaptcha");
  }
 
  public function getExample()
  {
    global $db, $conf, $langs, $user;
 
    $generator = new modGeneratePassStandard($db, $conf, $langs, $user);
    $example = $generator->getExample();
    $img = imagecreate(80, 32);
    if (!$img) {
      return "Problem with GD creation";
    }
    $background_color = imagecolorallocate($img, 250, 250, 250);
    $ecriture_color = imagecolorallocate($img, 0, 0, 0);
    imagestring($img, 4, 15, 8, $example, $ecriture_color);
 
    ob_start();
    imagepng($img);
    $image_data = ob_get_contents();
    ob_end_clean();
 
    return '<img class="inline-block valignmiddle" src="data:image/png;base64,' . base64_encode($image_data) . '" border="0" width="80" height="32" />';
  }
 
 
  public function validateCodeAfterLoginSubmit()
  {
    return 1;
  }
}