February 01, 2005

MT 防止垃圾的 Trackback 的方法::[Source]


Liang

以前做防止Spam comment垃圾留言的时候做了，长时间没有看都忘记了，朋友问起提醒了我，写在这里：

mt-tb.cgi 是处理 trackback 的程序，这个程序拿到了 trackback 后进行插入数据库处理。

trackback 的数据结构定义在：
lib/MT/TBPing.pm 里面，有如下结构:

my $ping = MT::TBPing->new;
$ping->blog_id($tb->blog_id);
$ping->tb_id($tb->id);
$ping->title('Foo');
$ping->excerpt('This is from a TrackBack ping.');
$ping->source_url('http://www.foo.com/bar');
$ping->save
or die $ping->errstr;


其中 'excerpt'就是文字描述部分，可以进行监查有没有中文的判断，如果没有中文，就当做spam处理，直接中断：

if ($ENV{'REQUEST_METHOD'} eq "POST") {
my $tck = param('excerpt');
die if($tck ne "" && $tck !~ /[\x80-\xff]/);
}

将以上四句话加到 mt-tb.cgi 里面 use strict; 后就应该起作用了。

Posted at February 1, 2005 09:52 PM by Liang at 09:52 PM | Comments (44) | TrackBack(3) | Booso!| Niu.la收藏!


Trackback

You can ping this entry by using http://www.wespoke.com/cgi-bin/mt/mt-tb.cgi/708

邮箱里一下子收到十几封来自这个blog的trackback的通知邮件，吓了我一跳...

Trackbacked from http://www.cathome01.com/asiapan/archives/2005/02/trackback.html with 是trackback被攻击吗？ on Asiapan.

Trackbacked from http://www.juega-al-casino.com with Great post! I'm looking forward for more. on .

£trackback

Trackbacked from http://babylinda.blogchina.com/4860334.html with on ̻.

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