summaryrefslogtreecommitdiffstats
path: root/system/helpers/captcha_helper.php
diff options
context:
space:
mode:
Diffstat (limited to 'system/helpers/captcha_helper.php')
-rw-r--r--system/helpers/captcha_helper.php52
1 files changed, 31 insertions, 21 deletions
diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php
index f4ed6168f..201987ac8 100644
--- a/system/helpers/captcha_helper.php
+++ b/system/helpers/captcha_helper.php
@@ -2,26 +2,37 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.2.4 or newer
+ * An open source application development framework for PHP
*
- * NOTICE OF LICENSE
+ * This content is released under the MIT License (MIT)
*
- * Licensed under the Open Software License version 3.0
+ * Copyright (c) 2014 - 2015, British Columbia Institute of Technology
*
- * This source file is subject to the Open Software License (OSL 3.0) that is
- * bundled with this package in the files license.txt / license.rst. It is
- * also available through the world wide web at this URL:
- * http://opensource.org/licenses/OSL-3.0
- * If you did not receive a copy of the license and are unable to obtain it
- * through the world wide web, please send an email to
- * licensing@ellislab.com so we can send you a copy immediately.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
*
- * @package CodeIgniter
- * @author EllisLab Dev Team
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (http://ellislab.com/)
- * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
- * @link http://codeigniter.com
- * @since Version 1.0
+ * @copyright Copyright (c) 2014 - 2015, British Columbia Institute of Technology (http://bcit.ca/)
+ * @license http://opensource.org/licenses/MIT MIT License
+ * @link http://codeigniter.com
+ * @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
@@ -60,6 +71,8 @@ if ( ! function_exists('create_captcha'))
'font_path' => '',
'expiration' => 7200,
'word_length' => 8,
+ 'font_size' => 16,
+ 'img_id' => '',
'pool' => '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
'colors' => array(
'background' => array(255,255,255),
@@ -182,13 +195,13 @@ if ( ! function_exists('create_captcha'))
$use_font = ($font_path !== '' && file_exists($font_path) && function_exists('imagettftext'));
if ($use_font === FALSE)
{
- $font_size = 5;
+ ($font_size > 5) && $font_size = 5;
$x = mt_rand(0, $img_width / ($length / 3));
$y = 0;
}
else
{
- $font_size = 16;
+ ($font_size > 30) && $font_size = 30;
$x = mt_rand(0, $img_width / ($length / 1.5));
$y = $font_size + 2;
}
@@ -232,12 +245,9 @@ if ( ! function_exists('create_captcha'))
return FALSE;
}
- $img = '<img src="'.$img_url.$img_filename.'" style="width: '.$img_width.'; height: '.$img_height .'; border: 0;" alt=" " />';
+ $img = '<img '.($img_id === '' ? '' : 'id="'.$img_id.'"').' src="'.$img_url.$img_filename.'" style="width: '.$img_width.'; height: '.$img_height .'; border: 0;" alt=" " />';
ImageDestroy($im);
return array('word' => $word, 'time' => $now, 'image' => $img, 'filename' => $img_filename);
}
}
-
-/* End of file captcha_helper.php */
-/* Location: ./system/helpers/captcha_helper.php */ \ No newline at end of file