root / trunk / phpBB / includes / captcha / captcha_factory.php
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| 1 | <?php
|
|---|---|
| 2 | /**
|
| 3 | * |
| 4 | * @package VC |
| 5 | * @copyright (c) 2008 phpBB Group |
| 6 | * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2 |
| 7 | * |
| 8 | */ |
| 9 | |
| 10 | /**
|
| 11 | * @ignore |
| 12 | */ |
| 13 | if (!defined('IN_PHPBB')) |
| 14 | {
|
| 15 | exit;
|
| 16 | } |
| 17 | |
| 18 | /**
|
| 19 | * A small class for 3.0.x (no autoloader in 3.0.x) |
| 20 | * |
| 21 | * @package VC |
| 22 | */ |
| 23 | class phpbb_captcha_factory |
| 24 | {
|
| 25 | /**
|
| 26 | * return an instance of class $name in file $name_plugin.php |
| 27 | */ |
| 28 | function get_instance($name) |
| 29 | {
|
| 30 | global $phpbb_root_path, $phpEx; |
| 31 | |
| 32 | $name = basename($name); |
| 33 | if (!class_exists($name)) |
| 34 | {
|
| 35 | include($phpbb_root_path . "includes/captcha/plugins/{$name}_plugin." . $phpEx); |
| 36 | } |
| 37 | $instance = call_user_func(array($name, 'get_instance')); |
| 38 | return $instance; |
| 39 | } |
| 40 | |
| 41 | /**
|
| 42 | * Call the garbage collector |
| 43 | */ |
| 44 | function garbage_collect($name) |
| 45 | {
|
| 46 | global $phpbb_root_path, $phpEx; |
| 47 | |
| 48 | $name = basename($name); |
| 49 | if (!class_exists($name)) |
| 50 | {
|
| 51 | include($phpbb_root_path . "includes/captcha/plugins/{$name}_plugin." . $phpEx); |
| 52 | } |
| 53 | call_user_func(array($name, 'garbage_collect'), 0); |
| 54 | } |
| 55 | |
| 56 | /**
|
| 57 | * return a list of all discovered CAPTCHA plugins |
| 58 | */ |
| 59 | function get_captcha_types() |
| 60 | {
|
| 61 | global $phpbb_root_path, $phpEx, $phpbb_extension_manager; |
| 62 | |
| 63 | $captchas = array( |
| 64 | 'available' => array(), |
| 65 | 'unavailable' => array(), |
| 66 | ); |
| 67 | |
| 68 | $finder = $phpbb_extension_manager->get_finder(); |
| 69 | $captcha_plugin_classes = $finder |
| 70 | ->extension_directory('/captcha')
|
| 71 | ->suffix('_plugin')
|
| 72 | ->core_path('includes/captcha/plugins/')
|
| 73 | ->get_classes(); |
| 74 | |
| 75 | foreach ($captcha_plugin_classes as $class) |
| 76 | {
|
| 77 | // check if this class needs to be loaded in legacy mode
|
| 78 | $old_class = preg_replace('/^phpbb_captcha_plugins_/', '', $class); |
| 79 | if (file_exists($phpbb_root_path . "includes/captcha/plugins/$old_class.$phpEx") && !class_exists($old_class)) |
| 80 | {
|
| 81 | include($phpbb_root_path . "includes/captcha/plugins/$old_class.$phpEx"); |
| 82 | $class = preg_replace('/_plugin$/', '', $old_class); |
| 83 | } |
| 84 | |
| 85 | if (call_user_func(array($class, 'is_available'))) |
| 86 | {
|
| 87 | $captchas['available'][$class] = call_user_func(array($class, 'get_name')); |
| 88 | } |
| 89 | else
|
| 90 | {
|
| 91 | $captchas['unavailable'][$class] = call_user_func(array($class, 'get_name')); |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | return $captchas; |
| 96 | } |
| 97 | } |