reCaptcha extension 0.4 (Page 1 of 2)

$forum_head['recaptchacss'] = '<link rel="stylesheet" type="text/css" media="screen" href="'.$ext_info['url'].'/recaptcha.css" />';

<?xml version="1.0" encoding="utf-8"?>
<!--
/***********************************************************************

    @author        : Gordie Lachance
    @copyright     : (c) Copyright by Gordie Lachance
    @license       : http://www.gnu.org/licenses/gpl-2.0.html

************************************************************************/
-->
<extension engine="1.0">
    <id>recaptcha</id>
    <title>reCaptcha</title>
    <version>0.2</version>
    <description>This adds reCaptcha Spam Protection to your fluxBB installation, only when a guest registers or posts.</description>
    <author>Gordie Lachance</author>
    <minversion>1.3 Beta</minversion>
    <maxtestedon>1.3 Beta</maxtestedon>
    <note type="install">Don't forget to edit the reCaptcha's public and private keys in the config.php file.</note>
    <note type="install">You can get it here : http://recaptcha.net/whyrecaptcha.html.</note>

    <install>
        <![CDATA[
            if (defined('EXT_CUR_VERSION'))
            {
                // you can make special update code for each previous extension version
            }
            else
            { // it's a fresh install
                $forum_db->query('INSERT INTO '.$forum_db->prefix.'config VALUES (\'recaptcha_privatekey\', \'\')') or error(__FILE__, __LINE__);
                $forum_db->query('INSERT INTO '.$forum_db->prefix.'config VALUES (\'recaptcha_publickey\', \'\')') or error(__FILE__, __LINE__);
            }
        ]]>
    </install>

    <uninstall>
        <![CDATA[
            $sql = array(
                'DELETE'        =>    'config',
                'WHERE'        =>    'conf_name IN (\'recaptcha_privatekey\', \'recaptcha_publickey\')'
            );
            $forum_db->query_build($sql) or error(__FILE__, __LINE__);
        ]]>
    </uninstall>

    <hooks>
        <hook id="hd_head" priority="5">
        <![CDATA[
        if ($forum_user['is_guest'])
        {
            $forum_head['recaptchacss'] = '<link rel="stylesheet" type="text/css" media="screen" href="'.$ext_info['url'].'/recaptcha.css" />';
        }
        ]]>
        </hook>
        <hook id="po_start" priority="5">
            <![CDATA[
                if ($forum_user['is_guest'])
                {
                    if (file_exists($ext_info['path'].'/recaptchalib.php'))
                        require_once($ext_info['path'].'/recaptchalib.php');

                    if (file_exists($ext_info['path'].'/recaptchalib.php'))
                        require_once($ext_info['path'].'/config.php');
                }
            ]]>
        </hook>
        <hook id="po_form_submitted" priority="5">
            <![CDATA[
                if ($forum_user['is_guest'])
                {
                    $resp = recaptcha_check_answer ($privatekey,
                    $_SERVER["REMOTE_ADDR"],
                    $_POST["recaptcha_challenge_field"],
                    $_POST["recaptcha_response_field"]);

                    if (!$resp->is_valid)
                        $errors[] ="The <b>reCAPTCHA</b> wasn't entered correctly. Go back and try it again.";
                }
            ]]>
        </hook>
        <hook id="po_req_info_fieldset_end" priority="5">
            <![CDATA[
                if ($forum_user['is_guest']) {
                        ?>
                    <div class="frm-group">
                        <div class="sf-set recaptcha">
                            <div class="sf-box text required">
                                <label for="fld1"><span>reCaptcha: <em>(Are you human ?)</em></span></label><br/>
                                <span class="fld-input">
                                    <?php
                                        echo recaptcha_get_html($publickey);
                                    ?>
                                </span>
                            </div>
                        </div>
                    </div>
                        <?php
                }
            ]]>
        </hook>
        <hook id="rg_start" priority="5">
            <![CDATA[
                if (file_exists($ext_info['path'].'/recaptchalib.php')) {
                    require_once($ext_info['path'].'/recaptchalib.php');
                }
                $publickey = $forum_config['recaptcha_publickey'];
                $privatekey = $forum_config['recaptcha_privatekey'];
            ]]>
        </hook>
        <hook id="rg_register_form_submitted" priority="5">
            <![CDATA[
                $resp = recaptcha_check_answer ($privatekey,$_SERVER["REMOTE_ADDR"],$_POST["recaptcha_challenge_field"],$_POST["recaptcha_response_field"]);
                echo $resp;
            ]]>
        </hook>
        <hook id="rg_register_end_validation" priority="5">
            <![CDATA[
                if (!$resp->is_valid) {
                    $errors[] ="The <b>reCAPTCHA</b> wasn't entered correctly. Go back and try it again.";
                }
            ]]>
        </hook>
        <hook id="rg_register_group_end" priority="5">
            <![CDATA[
                ?>
                <div class="frm-group">
                    <div class="sf-set recaptcha">
                        <div class="sf-box text required">
                            <label for="fld1"><span>reCaptcha: <em>(Are you human ?)</em></span></label><br/>
                            <span class="fld-input">
                                <?php
                                    echo recaptcha_get_html($publickey);
                                ?>
                            </span>
                        </div>
                    </div>
                </div>
                <?php
            ]]>
        </hook>

        <hook id="aop_features_general_fieldset_end">
            <![CDATA[
?>
    <div class="content-head">
        <h2 class="hn"><span>ReCaptcha</span></h2>
    </div>
    <fieldset class="sf-set group-item<?php echo ++$forum_page['group_count'] ?>">
        <legend><span>ReCaptcha:</span></legend>
            <div class="sf-box text">
                <label for="fld<?php echo ++$forum_page['fld_count'] ?>"><span>Public key</span></label>
                <span class="fld-input"><input size="25" type="text" id="fld<?php echo $forum_page['fld_count'] ?>" name="form[recaptcha_publickey]" value="<?php echo $forum_config['recaptcha_publickey'];?>" /></span>
            </div>
            <div class="sf-box text">
                <label for="fld<?php echo ++$forum_page['fld_count'] ?>"><span>Private key</span></label>
                <span class="fld-input"><input size="25" type="text" id="fld<?php echo $forum_page['fld_count'] ?>" name="form[recaptcha_privatekey]" value="<?php echo $forum_config['recaptcha_privatekey'];?>" /></span>
            </div>
    </fieldset>
<?php

            ]]>
        </hook>
        <hook id="aop_features_validation">
            <![CDATA[
                if (!isset($form['recaptcha_publickey']) || empty($form['recaptcha_publickey']))
                    $form['recaptcha_publickey'] = '';
                if (!isset($form['recaptcha_privatekey']) || empty($form['recaptcha_privatekey']))
                    $form['recaptcha_privatekey'] = '';
            ]]>
        </hook>
        <hook id="aop_pre_update_configuration">
            <![CDATA[
                if (isset($form['recaptcha_publickey']))
                {
                    if ($form['recaptcha_publickey'] != $forum_config['recaptcha_publickey'])
                        $forum_db->query('UPDATE '.$forum_db->prefix.'config SET conf_value = \''.$forum_db->escape($form['recaptcha_publickey']).'\' WHERE conf_name = \'recaptcha_publickey\'', true) or error(__FILE__, __LINE__);
                }
                if (isset($form['recaptcha_privatekey']))
                {
                    if ($form['recaptcha_privatekey'] != $forum_config['recaptcha_privatekey'])
                        $forum_db->query('UPDATE '.$forum_db->prefix.'config SET conf_value = \''.$forum_db->escape($form['recaptcha_privatekey']).'\' WHERE conf_name = \'recaptcha_privatekey\'', true) or error(__FILE__, __LINE__);
                }
            ]]>
        </hook>
    </hooks>
</extension>