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-   vBulletin 3.7 Add-ons (https://vborg.vbsupport.ru/forumdisplay.php?f=228)
-   -   Mini Mods - Keyword weight based spam detector (https://vborg.vbsupport.ru/showthread.php?t=184757)

robk6364 07-08-2010 08:34 PM
This is excellent, thanks a million times!

EtaiWix 08-16-2010 07:13 AM
Slight problem: I see it's not working for ''partial' words- i.e. if I blocked' nike', and someone spams 'nikefun', then his post goes through...

Can you add that it will block any instance of it even if it's part of another word?

ArchAngelz 12-24-2011 05:22 AM
Would something like this work for vb4?

chrisrouse 10-04-2013 12:56 PM
Does this work with vb4? This would be perfect for the issue we're having with people advertising handbags and Uggs.

jaslon 12-15-2015 10:12 AM
I just installed this on vBulletin 3.8.9. It seems to work well. I found one bug though which I think affects all vBulletin versions. If you set the Reject threshold to 0 to disable rejections the moderation will also be disabled, so if you do not want to use reject you should instead set the reject threshold to something very high. I can see in the source code that this is a bug. It wouldn't be very difficult to correct it, but just using a very high reject threshold also works.

jaslon 12-21-2015 02:19 PM
I have discovered an annoying bug in the edit part of this script. Here is an example of when the bug occurs:

1. A spammer first posts a message without any spam keywords so that a new thread and a new post is created

2. The spammer then returns and edits his message and adds spam keywords to the post

3. The filter then auto-moderates the post using the following code linked to the "editpost_update_process" hook:
$dataman->set('visible', 0);
$edit['visible'] = 0;

4. If the edit has been done within the time-limit when no "Edited by..." is displayed and the old version of the post is not saved then this will result in a visible thread that contains no posts visible for normal users. There is a post there, but the spam keyword filter has unapproved it so it is not visible for normal users.

I think that I have found a solution to this. I have disabled the "editpost_update_process" hook used in this mod and I have instead written my own routine for the "editpost_update_complete" hook. My code only works with moderation, since I only use moderation and the php code for this new hook looks like this:

Code:
if ($vbulletin->userinfo['posts'] < $vbulletin->options['kwas_antispam_posts']) {
        $scan = strtolower($edit['message']);
        $keywords = explode("\r\n", strtolower($vbulletin->options['kwas_keyword_weights']));
        $total = 0;
        foreach($keywords as $keyword) {
                $keyword = explode("|", $keyword);
                $total += substr_count($scan, $keyword[0]) * $keyword[1];
        }
        if (($total >= $vbulletin->options['kwas_moderate_threshold']) &&($total < $vbulletin->options['kwas_reject_threshold']) && $vbulletin->options['kwas_moderate_threshold']) {
    require_once(DIR.'/includes/functions_databuild.php');
    unapprove_post($postinfo['postid'],($foruminfo['countposts'] AND !$post['skippostcount']), true, $postinfo, $threadinfo, false);
  }
}
This more "high-level" solution using the buildt-in unapprove routines in vBulletin also unapproves threads, re-calculates post counts etc. so it seems to be a better solution.


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