[8030] | 1 | <?php |
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| 2 | /* |
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| 3 | Plugin Name: Captcha |
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| 4 | Version: auto |
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| 5 | Description: Add captcha to registration form |
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| 6 | Plugin URI: auto |
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| 7 | Author: P@t |
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| 8 | Author URI: http://piwigo.org |
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| 9 | */ |
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| 10 | |
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| 11 | if (!defined('PHPWG_ROOT_PATH')) die('Hacking attempt!'); |
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| 12 | define('CAPTCHA_PATH' , PHPWG_PLUGINS_PATH . basename(dirname(__FILE__)) . '/'); |
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| 13 | |
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| 14 | global $conf; |
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| 15 | |
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| 16 | if (script_basename() == 'register' |
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| 17 | and !empty($conf['captcha_publickey']) |
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| 18 | and !empty($conf['captcha_privatekey'])) |
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| 19 | { |
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| 20 | include(CAPTCHA_PATH.'recaptchalib.php'); |
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| 21 | add_event_handler('loc_end_page_header', 'add_captcha'); |
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| 22 | add_event_handler('register_user_check', 'check_captcha'); |
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| 23 | } |
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[8034] | 24 | elseif (script_basename() == 'admin') |
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[8030] | 25 | { |
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| 26 | add_event_handler('get_admin_plugin_menu_links', 'captcha_plugin_admin_menu' ); |
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| 27 | } |
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| 28 | |
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| 29 | function add_captcha() |
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| 30 | { |
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| 31 | global $template, $conf; |
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[8031] | 32 | |
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[8030] | 33 | $template->set_prefilter('register', 'captcha_prefilter'); |
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[8031] | 34 | $template->set_filename('captcha', realpath(CAPTCHA_PATH.'captcha.tpl')); |
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[8034] | 35 | $template->assign(array( |
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| 36 | 'CAPTCHA_HTML' => recaptcha_get_html($conf['captcha_publickey'], get_plugin_data('captcha')), |
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| 37 | 'CAPTCHA_THEME' => $conf['captcha_theme'], |
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| 38 | ) |
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| 39 | ); |
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[8031] | 40 | $template->assign_var_from_handle('CAPTCHA', 'captcha'); |
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[8030] | 41 | } |
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| 42 | |
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| 43 | function captcha_prefilter($content, $smarty) |
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| 44 | { |
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| 45 | $search = '<p class="bottomButtons">'; |
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[8034] | 46 | return str_replace($search, '{$CAPTCHA}'."\n".$search, $content); |
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[8030] | 47 | } |
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| 48 | |
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| 49 | function check_captcha($errors) |
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| 50 | { |
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| 51 | global $conf; |
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| 52 | |
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| 53 | $resp = recaptcha_check_answer( |
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| 54 | $conf['captcha_privatekey'], |
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| 55 | $_SERVER["REMOTE_ADDR"], |
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| 56 | $_POST["recaptcha_challenge_field"], |
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| 57 | $_POST["recaptcha_response_field"] |
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| 58 | ); |
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| 59 | |
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| 60 | if (!$resp->is_valid) |
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| 61 | { |
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| 62 | load_language('plugin.lang', CAPTCHA_PATH); |
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| 63 | array_push($errors, l10n('Invalid Captcha')); |
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| 64 | set_plugin_data('captcha', $resp->error); |
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| 65 | } |
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| 66 | |
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| 67 | return $errors; |
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| 68 | } |
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| 69 | |
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| 70 | function captcha_plugin_admin_menu($menu) |
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| 71 | { |
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| 72 | global $page,$conf; |
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| 73 | |
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| 74 | if ( (empty($conf['captcha_publickey']) or empty($conf['captcha_publickey'])) |
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| 75 | and in_array($page['page'], array('intro','plugins_list')) ) |
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| 76 | { |
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| 77 | load_language('plugin.lang', CAPTCHA_PATH); |
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| 78 | $page['errors'][] = l10n('You need to define Captcha keys'); |
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| 79 | } |
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| 80 | |
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| 81 | array_push($menu, |
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| 82 | array( |
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| 83 | 'NAME' => 'Captcha', |
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| 84 | 'URL' => get_admin_plugin_menu_link(dirname(__FILE__).'/admin.php') |
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| 85 | ) |
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| 86 | ); |
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| 87 | return $menu; |
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| 88 | } |
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| 89 | |
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| 90 | ?> |
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