315 lines
11 KiB
PHP
315 lines
11 KiB
PHP
<?php
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if (!defined('__TYPECHO_ROOT_DIR__')) exit;
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/**
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* 评论过滤器 【<a href="https://github.com/typecho-fans/plugins" target="_blank">TF</a>社区维护版】
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*
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* @package CommentFilter
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* @author jrotty,ghostry,Hanny
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* @version 1.2.1
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* @link https://github.com/typecho-fans/plugins/tree/master/CommentFilter
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*
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* version 1.2.1 at 2020-06-27[typecho-fans合并2012-12-31 ghostry修改版]
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* 增加首次评论过滤，评论者可以在评论底部看到自己的未审核评论
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*
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* version 1.2.0 at 2017-10-10[非原作者更新修改，jrotty魔改更新]
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* 增加评论者昵称/超链接过滤功能
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*
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* 历史版本
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* version 1.1.0 at 2014-01-04
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* 增加机器评论过滤
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* version 1.0.2 at 2010-05-16
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* 修正发表评论成功后，评论内容Cookie不清空的Bug
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* version 1.0.1 at 2009-11-29
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* 增加IP段过滤功能
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* version 1.0.0 at 2009-11-14
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* 实现评论内容按屏蔽词过滤功能
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* 实现过滤非中文评论功能
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*/
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class CommentFilter_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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{
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Typecho_Plugin::factory('Widget_Feedback')->comment = array('CommentFilter_Plugin', 'filter');
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Typecho_Plugin::factory('Widget_Archive')->header = array('CommentFilter_Plugin', 'add_filter_spam_input');
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return _t('评论过滤器启用成功，请配置需要过滤的内容');
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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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* 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 $form)
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{
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$opt_spam = new Typecho_Widget_Helper_Form_Element_Radio('opt_spam', array("none" => "无动作", "waiting" => "标记为待审核", "spam" => "标记为垃圾", "abandon" => "评论失败"), "none",
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_t('屏蔽机器人评论'), "如果为机器人评论，将执行该操作。如果需要开启该过滤功能，请尝试进行评论测试，以免不同模板造成误判。");
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$form->addInput($opt_spam);
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$opt_ip = new Typecho_Widget_Helper_Form_Element_Radio('opt_ip', array("none" => "无动作", "waiting" => "标记为待审核", "spam" => "标记为垃圾", "abandon" => "评论失败"), "none",
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_t('屏蔽IP操作'), "如果评论发布者的IP在屏蔽IP段，将执行该操作");
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$form->addInput($opt_ip);
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$words_ip = new Typecho_Widget_Helper_Form_Element_Textarea('words_ip', NULL, "0.0.0.0",
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_t('屏蔽IP'), _t('多条IP请用换行符隔开<br />支持用*号匹配IP段，如：192.168.*.*'));
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$form->addInput($words_ip);
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$opt_nocn = new Typecho_Widget_Helper_Form_Element_Radio('opt_nocn', array("none" => "无动作", "waiting" => "标记为待审核", "spam" => "标记为垃圾", "abandon" => "评论失败"), "none",
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_t('非中文评论操作'), "如果评论中不包含中文，则强行按该操作执行");
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$form->addInput($opt_nocn);
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$opt_nopl = new Typecho_Widget_Helper_Form_Element_Radio('opt_nopl', array("none" => "无动作", "waiting" => "标记为待审核", "spam" => "标记为垃圾", "abandon" => "评论失败"), "none",
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_t('首次评论操作'), "如果评论人没有评论过，则强行按该操作执行");
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$form->addInput($opt_nopl);
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$opt_ban = new Typecho_Widget_Helper_Form_Element_Radio('opt_ban', array("none" => "无动作", "waiting" => "标记为待审核", "spam" => "标记为垃圾", "abandon" => "评论失败"), "abandon",
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_t('禁止词汇操作'), "如果评论中包含禁止词汇列表中的词汇，将执行该操作");
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$form->addInput($opt_ban);
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$words_ban = new Typecho_Widget_Helper_Form_Element_Textarea('words_ban', NULL, "fuck\n操你妈\n[url\n[/url]",
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_t('禁止词汇'), _t('多条词汇请用换行符隔开'));
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$form->addInput($words_ban);
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$opt_chk = new Typecho_Widget_Helper_Form_Element_Radio('opt_chk', array("none" => "无动作", "waiting" => "标记为待审核", "spam" => "标记为垃圾", "abandon" => "评论失败"), "waiting",
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_t('敏感词汇操作'), "如果评论中包含敏感词汇列表中的词汇，将执行该操作");
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$form->addInput($opt_chk);
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$words_chk = new Typecho_Widget_Helper_Form_Element_Textarea('words_chk', NULL, "http://",
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_t('敏感词汇'), _t('多条词汇请用换行符隔开<br />注意：如果词汇同时出现于禁止词汇，则执行禁止词汇操作'));
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$form->addInput($words_chk);
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$opt_author = new Typecho_Widget_Helper_Form_Element_Radio('opt_author', array("none" => "无动作", "waiting" => "标记为待审核", "spam" => "标记为垃圾", "abandon" => "评论失败"), "spam",
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_t('关键昵称操作'), "如果评论中包含关键昵称词汇列表中的词汇，将执行该操作");
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$form->addInput($opt_author);
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$words_author = new Typecho_Widget_Helper_Form_Element_Textarea('words_author', NULL, "澳门银座\n自动化软件\n量化交易",
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_t('关键昵称词汇'), _t('多条词汇请用换行符隔开'));
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$form->addInput($words_author);
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$opt_url = new Typecho_Widget_Helper_Form_Element_Radio('opt_url', array("none" => "无动作", "waiting" => "标记为待审核", "spam" => "标记为垃圾", "abandon" => "评论失败"), "spam",
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_t('垃圾链接过滤操作'), "如果评论中包含垃圾链接列表中字符串，将执行该操作");
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$form->addInput($opt_url);
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$words_url = new Typecho_Widget_Helper_Form_Element_Textarea('words_url', NULL, "www.vps521.cn",
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_t('垃圾链接'), _t('多条词汇请用换行符隔开，链接格式请参考上边输入框默认的链接'));
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$form->addInput($words_url);
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}
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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 $form){}
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/**
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* 评论过滤器
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*
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*/
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public static function filter($comment, $post)
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{
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$options = Typecho_Widget::widget('Widget_Options');
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$filter_set = $options->plugin('CommentFilter');
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$opt = "none";
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$error = "";
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//机器评论处理
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if ($opt == "none" && $filter_set->opt_spam != "none") {
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if ($_POST['filter_spam'] != '48616E6E79') {
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$error = "请勿使用第三方工具进行评论";
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$opt = $filter_set->opt_spam;
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}
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}
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//屏蔽IP段处理
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if ($opt == "none" && $filter_set->opt_ip != "none") {
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if (CommentFilter_Plugin::check_ip($filter_set->words_ip, $comment['ip'])) {
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$error = "评论发布者的IP已被管理员屏蔽";
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$opt = $filter_set->opt_ip;
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}
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}
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//纯中文评论处理
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if ($opt == "none" && $filter_set->opt_nocn != "none") {
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if (preg_match("/[\x{4e00}-\x{9fa5}]/u", $comment['text']) == 0) {
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$error = "评论内容请不少于一个中文汉字";
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$opt = $filter_set->opt_nocn;
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}
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}
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//首次评论操作
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if($opt == "none" && $filter_set->opt_nopl != "none"){
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if($comment['mail']){
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$db = Typecho_Db::get();
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$select=$db->select('mail')
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->from('table.comments')
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->where('mail = ?', $comment['mail']);
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$result = $db->query($select);
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$row = $db->fetchRow($result);
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if(!$row['mail']){
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$opt = $filter_set->opt_nopl;
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}
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}
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}
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//检查禁止词汇
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if ($opt == "none" && $filter_set->opt_ban != "none") {
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if (CommentFilter_Plugin::check_in($filter_set->words_ban, $comment['text'])) {
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$error = "评论内容中包含禁止词汇";
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$opt = $filter_set->opt_ban;
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}
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}
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//检查敏感词汇
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if ($opt == "none" && $filter_set->opt_chk != "none") {
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if (CommentFilter_Plugin::check_in($filter_set->words_chk, $comment['text'])) {
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$error = "评论内容中包含敏感词汇";
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$opt = $filter_set->opt_chk;
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}
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}
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//检查关键昵称词汇
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if ($opt == "none" && $filter_set->opt_author != "none") {
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if (CommentFilter_Plugin::check_in($filter_set->words_author, $comment['author'])) {
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$error = "该类型昵称已被禁止评论";
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$opt = $filter_set->opt_author;
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}
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}
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//检查评论者链接
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if ($opt == "none" && $filter_set->opt_url != "none") {
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if (CommentFilter_Plugin::check_in($filter_set->words_url, $comment['url'])) {
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$error = "该类型评论者超链接被禁止评论";
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$opt = $filter_set->opt_url;
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}
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}
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//执行操作
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if ($opt == "abandon") {
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Typecho_Cookie::set('__typecho_remember_text', $comment['text']);
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throw new Typecho_Widget_Exception($error);
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}
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else if ($opt == "spam") {
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$comment['status'] = 'spam';
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}
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else if ($opt == "waiting") {
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$comment['status'] = 'waiting';
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}
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$_SESSION['comment']=$comment;
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Typecho_Cookie::delete('__typecho_remember_text');
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return $comment;
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}
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/**
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* 检查$str中是否含有$words_str中的词汇
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*
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*/
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private static function check_in($words_str, $str)
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{
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$words = explode("\n", $words_str);
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if (empty($words)) {
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return false;
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}
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foreach ($words as $word) {
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if (false !== strpos($str, trim($word))) {
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return true;
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}
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}
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return false;
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}
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/**
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* 检查$ip中是否在$words_ip的IP段中
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*
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*/
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private static function check_ip($words_ip, $ip)
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{
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$words = explode("\n", $words_ip);
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if (empty($words)) {
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return false;
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}
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foreach ($words as $word) {
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$word = trim($word);
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if (false !== strpos($word, '*')) {
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$word = "/^".str_replace('*', '\d{1,3}', $word)."$/";
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if (preg_match($word, $ip)) {
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return true;
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}
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} else {
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if (false !== strpos($ip, $word)) {
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return true;
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}
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}
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}
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return false;
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}
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/**
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* 在表单中增加 filter_spam 隐藏域
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*
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*/
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public static function add_filter_spam_input($header, $archive)
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{
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$options = Typecho_Widget::widget('Widget_Options');
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$filter_set = $options->plugin('CommentFilter');
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if ($filter_set->opt_spam != "none" && $archive->is('single') && $archive->allow('comment')) {
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echo '<script type="text/javascript">
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function get_form(input) {
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var node = input;
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while (node) {
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node = node.parentNode;
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if (node.nodeName.toLowerCase() == "form") {
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return node;
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}
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}
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return null;
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};
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window.onload = function() {
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var inputs = document.getElementsByTagName("textarea");
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var i, input_author;
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input_author = null;
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for (i=0; i<inputs.length; i++) {
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if (inputs[i].name.toLowerCase() == "text") {
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input_author = inputs[i];
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break;
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}
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}
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var form_comment = get_form(input_author);
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if (form_comment) {
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var input_hd = document.createElement("input");
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input_hd.type = "hidden";
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input_hd.name = "filter_spam";
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input_hd.value = "48616E6E79";
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form_comment.appendChild(input_hd);
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} else {
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alert("find input author error!");
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}
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}
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</script>
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';
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}
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}
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}
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