110 lines
3.8 KiB
PHP
110 lines
3.8 KiB
PHP
<?php
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/**
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* reCAPTCHA验证码插件
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*
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* @package reCAPTCHA
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* @author 啸傲居士
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* @version 0.0.1
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* @link http://geaya.com
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*/
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class reCAPTCHA_Plugin implements Typecho_Plugin_Interface
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{
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/**
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* 激活插件方法,如果激活失败,直接抛出异常
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*
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* @access public
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* @return void
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* @throws Typecho_Plugin_Exception
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*/
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public static function activate() {
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Typecho_Plugin::factory('Widget_Feedback')->comment = array(__CLASS__, 'filter');
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}
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/**
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* 禁用插件方法,如果禁用失败,直接抛出异常
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*
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* @static
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* @access public
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* @return void
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* @throws Typecho_Plugin_Exception
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*/
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public static function deactivate() {}
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/**
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* 个人用户的配置面板
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*
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* @access public
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* @param Typecho_Widget_Helper_Form $form
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* @return void
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*/
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public static function personalConfig(Typecho_Widget_Helper_Form $form) {}
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/**
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* 获取插件配置面板
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*
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* @access public
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* @param Typecho_Widget_Helper_Form $form 配置面板
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* @return void
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*/
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public static function config(Typecho_Widget_Helper_Form $form) {
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$siteKeyDescription = _t("To use reCAPTCHA you must get an API key from <a href='https://www.google.com/recaptcha/admin/create'>https://www.google.com/recaptcha/admin/create</a>");
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$siteKey = new Typecho_Widget_Helper_Form_Element_Text('siteKey', NULL, '', _t('Site Key for reCAPTCHAv2:'), $siteKeyDescription);
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$secretKey = new Typecho_Widget_Helper_Form_Element_Text('secretKey', NULL, '', _t('Serect Key for reCAPTCHAv2:'), _t(''));
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$form->addInput($siteKey);
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$form->addInput($secretKey);
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}
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/**
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* 展示验证码
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*/
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public static function output() {
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$siteKey = Typecho_Widget::widget('Widget_Options')->plugin('reCAPTCHA')->siteKey;
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$secretKey = Typecho_Widget::widget('Widget_Options')->plugin('reCAPTCHA')->secretKey;
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if ($siteKey != "" && $secretKey != "") {
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echo '<script src="https://recaptcha.net/recaptcha/api.js" async defer data-no-instant></script>
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<div class="g-recaptcha" data-sitekey=' . $siteKey . '></div>';
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} else {
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throw new Typecho_Widget_Exception(_t('No reCAPTCHA Site/Secret Keys! Please set it/them!'));
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}
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}
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public static function filter($comments, $obj) {
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$userObj = $obj->widget('Widget_User');
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if($userObj->hasLogin() && $userObj->pass('administrator', true)) {
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return $comments;
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}
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elseif (isset($_POST['g-recaptcha-response'])) {
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$siteKey = Typecho_Widget::widget('Widget_Options')->plugin('reCAPTCHA')->siteKey;
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$secretKey = Typecho_Widget::widget('Widget_Options')->plugin('reCAPTCHA')->secretKey;
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function getCaptcha($recaptcha_response, $secretKey) {
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$response = file_get_contents("https://recaptcha.net/recaptcha/api/siteverify?secret=".$secretKey."&response=".$recaptcha_response);
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$response = json_decode($response);
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return $response;
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}
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$resp = getCaptcha($_POST['g-recaptcha-response'], $secretKey);
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if ($resp->success == true) {
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return $comments;
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} else {
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switch ($resp->error-codes) {
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case '{[0] => "timeout-or-duplicate"}':
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throw new Typecho_Widget_Exception(_t('验证时间超过2分钟或连续重复发言！'));
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break;
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case '{[0] => "invalid-input-secret"}':
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throw new Typecho_Widget_Exception(_t('博主填了无效的siteKey或者secretKey...'));
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break;
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case '{[0] => "bad-request"}':
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throw new Typecho_Widget_Exception(_t('请求错误！请检查网络'));
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break;
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default:
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throw new Typecho_Widget_Exception(_t('很遗憾，您被当成了机器人...'));
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}
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}
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} else {
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throw new Typecho_Widget_Exception(_t('未成功加载验证码！请科学上网！'));
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}
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}
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}
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