Typecho不使用插件实现Ajax评论功能

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3年前

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本文最后更新于2021年09月24日，已超过1155天没有更新，若内容或图片失效，请留言反馈。

完善好的函数

/**
 * ajaxComment
 * 实现Ajax评论的方法(实现feedback中的comment功能)
 * @param Widget_Archive $archive
 * @return void
 */
function ajaxComment($archive){
    $options = Helper::options();
    $user = Typecho_Widget::widget('Widget_User');
    $db = Typecho_Db::get();
    // Security 验证不通过时会直接跳转，所以需要自己进行判断
    // 需要开启反垃圾保护，此时将不验证来源
    if($archive->request->get('_') != Helper::security()->getToken($archive->request->getReferer())){
        $archive->response->throwJson(array('status'=>0,'msg'=>_t('非法请求')));
    }
    /** 评论关闭 */
    if(!$archive->allow('comment')){
        $archive->response->throwJson(array('status'=>0,'msg'=>_t('评论已关闭')));
    }
    /** 检查ip评论间隔 */
    if (!$user->pass('editor', true) && $archive->authorId != $user->uid &&
    $options->commentsPostIntervalEnable){
        $latestComment = $db->fetchRow($db->select('created')->from('table.comments')
                    ->where('cid = ?', $archive->cid)
                    ->where('ip = ?', $archive->request->getIp())
                    ->order('created', Typecho_Db::SORT_DESC)
                    ->limit(1));

        if ($latestComment && ($options->gmtTime - $latestComment['created'] > 0 &&
        $options->gmtTime - $latestComment['created'] < $options->commentsPostInterval)) {
            $archive->response->throwJson(array('status'=>0,'msg'=>_t('对不起, 您的发言过于频繁, 请稍侯再次发布')));
        }        
    }

    $comment = array(
        'cid'       =>  $archive->cid,
        'created'   =>  $options->gmtTime,
        'agent'     =>  $archive->request->getAgent(),
        'ip'        =>  $archive->request->getIp(),
        'ownerId'   =>  $archive->author->uid,
        'type'      =>  'comment',
        'status'    =>  !$archive->allow('edit') && $options->commentsRequireModeration ? 'waiting' : 'approved'
    );

    /** 判断父节点 */
    if ($parentId = $archive->request->filter('int')->get('parent')) {
        if ($options->commentsThreaded && ($parent = $db->fetchRow($db->select('coid', 'cid')->from('table.comments')
        ->where('coid = ?', $parentId))) && $archive->cid == $parent['cid']) {
            $comment['parent'] = $parentId;
        } else {
            $archive->response->throwJson(array('status'=>0,'msg'=>_t('父级评论不存在')));
        }
    }
    $feedback = Typecho_Widget::widget('Widget_Feedback');
    //检验格式
    $validator = new Typecho_Validate();
    $validator->addRule('author', 'required', _t('必须填写用户名'));
    $validator->addRule('author', 'xssCheck', _t('请不要在用户名中使用特殊字符'));
    $validator->addRule('author', array($feedback, 'requireUserLogin'), _t('您所使用的用户名已经被注册,请登录后再次提交'));
    $validator->addRule('author', 'maxLength', _t('用户名最多包含200个字符'), 200);

    if ($options->commentsRequireMail && !$user->hasLogin()) {
        $validator->addRule('mail', 'required', _t('必须填写电子邮箱地址'));
    }

    $validator->addRule('mail', 'email', _t('邮箱地址不合法'));
    $validator->addRule('mail', 'maxLength', _t('电子邮箱最多包含200个字符'), 200);

    if ($options->commentsRequireUrl && !$user->hasLogin()) {
        $validator->addRule('url', 'required', _t('必须填写个人主页'));
    }
    $validator->addRule('url', 'url', _t('个人主页地址格式错误'));
    $validator->addRule('url', 'maxLength', _t('个人主页地址最多包含200个字符'), 200);

    $validator->addRule('text', 'required', _t('必须填写评论内容'));

    $comment['text'] = $archive->request->text;

    /** 对一般匿名访问者,将用户数据保存一个月 */
    if (!$user->hasLogin()) {
        /** Anti-XSS */
        $comment['author'] = $archive->request->filter('trim')->author;
        $comment['mail'] = $archive->request->filter('trim')->mail;
        $comment['url'] = $archive->request->filter('trim')->url;

        /** 修正用户提交的url */
        if (!empty($comment['url'])) {
            $urlParams = parse_url($comment['url']);
            if (!isset($urlParams['scheme'])) {
                $comment['url'] = 'http://' . $comment['url'];
            }
        }

        $expire = $options->gmtTime + $options->timezone + 30*24*3600;
        Typecho_Cookie::set('__typecho_remember_author', $comment['author'], $expire);
        Typecho_Cookie::set('__typecho_remember_mail', $comment['mail'], $expire);
        Typecho_Cookie::set('__typecho_remember_url', $comment['url'], $expire);
    } else {
        $comment['author'] = $user->screenName;
        $comment['mail'] = $user->mail;
        $comment['url'] = $user->url;

        /** 记录登录用户的id */
        $comment['authorId'] = $user->uid;
    }

    /** 评论者之前须有评论通过了审核 */
    if (!$options->commentsRequireModeration && $options->commentsWhitelist) {
        if ($feedback->size($feedback->select()->where('author = ? AND mail = ? AND status = ?', $comment['author'], $comment['mail'], 'approved'))) {
            $comment['status'] = 'approved';
        } else {
            $comment['status'] = 'waiting';
        }
    }

    if ($error = $validator->run($comment)) {
        $archive->response->throwJson(array('status'=>0,'msg'=> implode(';',$error)));
    }
//评论过程的插件接口，一般用于过滤垃圾评论的插件
try {
     $comment = $feedback->pluginHandle()->comment($comment, $feedback->_content);
} catch (Typecho_Exception $e) {
     Typecho_Cookie::set('__typecho_remember_text', $comment['text']);
     $archive->response->throwJson(array('status'=>0,'msg'=>_t($e->getMessage())));
     throw $e;
}
    /** 添加评论 */
    $commentId = $feedback->insert($comment);
    if(!$commentId){
        $archive->response->throwJson(array('status'=>0,'msg'=>_t('评论失败')));
    }
    Typecho_Cookie::delete('__typecho_remember_text');
    $db->fetchRow($feedback->select()->where('coid = ?', $commentId)
    ->limit(1), array($feedback, 'push'));
//评论完成后的接口，一般用于评论提醒插件
$feedback->pluginHandle()->finishComment($feedback);

    // 返回评论数据
    $data = array(
        'cid' => $feedback->cid,
        'coid' => $feedback->coid,
        'parent' => $feedback->parent,
        'mail' => $feedback->mail,
        'url' => $feedback->url,
        'ip' => $feedback->ip,
        'agent' => $feedback->agent,
        'author' => $feedback->author,
        'authorId' => $feedback->authorId,
        'permalink' => $feedback->permalink,
        'created' => $feedback->created,
        'datetime' => $feedback->date->format('Y-m-d H:i:s'),
        'status' => $feedback->status,
    );
    // 评论内容
    ob_start();
    $feedback->content();
    $data['content'] = ob_get_clean();

    $data['avatar'] = Typecho_Common::gravatarUrl($data['mail'], 48, Helper::options()->commentsAvatarRating, NULL, $archive->request->isSecure());
    $archive->response->throwJson(array('status'=>1,'comment'=>$data));
}

typecho ajax 评论

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