diff options
Diffstat (limited to 'system/helpers/captcha_helper.php')
| -rw-r--r-- | system/helpers/captcha_helper.php | 40 |
1 files changed, 32 insertions, 8 deletions
diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php index 214e7f8fc..6fce05267 100644 --- a/system/helpers/captcha_helper.php +++ b/system/helpers/captcha_helper.php @@ -6,7 +6,7 @@ * * This content is released under the MIT License (MIT) * - * Copyright (c) 2014 - 2017, British Columbia Institute of Technology + * Copyright (c) 2014 - 2019, British Columbia Institute of Technology * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal @@ -29,8 +29,8 @@ * @package CodeIgniter * @author EllisLab Dev Team * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/) - * @copyright Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/) - * @license http://opensource.org/licenses/MIT MIT License + * @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/) + * @license https://opensource.org/licenses/MIT MIT License * @link https://codeigniter.com * @since Version 1.0.0 * @filesource @@ -44,7 +44,7 @@ defined('BASEPATH') OR exit('No direct script access allowed'); * @subpackage Helpers * @category Helpers * @author EllisLab Dev Team - * @link https://codeigniter.com/user_guide/helpers/captcha_helper.html + * @link https://codeigniter.com/userguide3/helpers/captcha_helper.html */ // ------------------------------------------------------------------------ @@ -69,6 +69,7 @@ if ( ! function_exists('create_captcha')) 'img_width' => '150', 'img_height' => '30', 'img_alt' => 'captcha', + 'img_class' => '', 'font_path' => '', 'font_size' => 16, 'expiration' => 7200, @@ -83,6 +84,8 @@ if ( ! function_exists('create_captcha')) ) ); + $now = microtime(TRUE); + foreach ($defaults as $key => $val) { if ( ! is_array($data) && empty($$key)) @@ -97,21 +100,39 @@ if ( ! function_exists('create_captcha')) if ( ! extension_loaded('gd')) { + log_message('error', 'create_captcha(): GD extension is not loaded.'); + return FALSE; + } + + if ($img_path === '' OR $img_url === '') + { + log_message('error', 'create_captcha(): $img_path and $img_url are required.'); + return FALSE; + } + + if ( ! is_dir($img_path) OR ! is_really_writable($img_path)) + { + log_message('error', "create_captcha(): '{$img_path}' is not a dir, nor is it writable."); return FALSE; } if ($img_url !== '' OR $img_path !== '') { - if ($img_path === '' OR $img_url === '' OR ! is_dir($img_path) OR ! is_really_writable($img_path)) + if ($img_path === '' OR $img_url === '') { + log_message('error', 'create_captcha(): $img_path and $img_url are required.'); + return FALSE; + } + + if ( ! is_dir($img_path) OR ! is_really_writable($img_path)) + { + log_message('error', "create_captcha(): '{$img_path}' is not a dir, nor is it writable."); return FALSE; } /** * Remove old images */ - $now = microtime(TRUE); - $current_dir = @opendir($img_path); while ($filename = @readdir($current_dir)) { @@ -352,7 +373,10 @@ if ( ! function_exists('create_captcha')) $img_src = 'data:image/png;base64,'.base64_encode($img_src); } - $img = '<img '.($img_id === '' ? '' : 'id="'.$img_id.'"').' src="'.$img_src.'" style="width: '.$img_width.'; height: '.$img_height .'; border: 0;" alt="'.$img_alt.'" />'; + $img_class = trim($img_class); + $img_class = (bool) strlen($img_class) ? 'class="'.$img_class.'" ' : ''; + + $img = '<img '.($img_id === '' ? '' : 'id="'.$img_id.'"').' src="'.$img_src.'" style="width: '.$img_width.'px; height: '.$img_height .'px; border: 0;" '.$img_class.'alt="'.$img_alt.'" />'; ImageDestroy($im); return array('word' => $word, 'time' => $now, 'image' => $img, 'filename' => $img_filename); |