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MathGuard anti-spam patch for Joomla's Akocomment component

Some time ago I started using the "AkoComment tweaked" component with my joomla instalation. Even though it is protected with the captcha image that you have to enter everytime before you submit the form, some spambots somehow broke this protection and kept flooding my comments. This was the reason why, I decided to replace the default captcha mechanism with my own PHP MathGuard Class. Here is a short overview how to apply my patch.

Update - AkoComment TSE 1.4.6 with MathGuard anti-spam ! - installer

To make the process described below simpler, I just added the fixed version of Akocomment TSE 1.4.6 with the MathGuard anti-spam do the download section.

Now you don't have to mess around with editing some files. Just unpack the zip, install all files and put ClassMathGuard.php into your joomla directory. Don't forget to disable the old security code. That's it..

Please make sure that "Report on Comment" setting in Akocomment administration is set to No. Some spambots use this technique to send spam messages.

Enjoy !

Matto

Original manual patching procedure follows below (obsolete if you installed the whole bundle above)

1. Disable the default security code in the joomla administration

If you want to apply the same change for your website, first you have to disable the Akocomment's security code. You will find it in the joomla's AkoComment administration under the "Posting" tab.

Disabling the captcha in Akocomment administration

2. Backup your joomla installation

It is useful to backup your joomla installation, if something would go wrong. For example the versions won't match or whatever..

3. Download

Download the akocomment-anti-spam-patch.zip from the download section of this website.

Then, unpack the akocomment-anti-spam-patch.zip to your joomla installation.

4. Replace the old files

It replaces the old files with ones that are changed.

5. Test the result

When everything works well, instead of this:

The original AkoComment form with the captcha

you should see this:

Patch that replaces the captcha with my own MathGuard anti-spam protection

If there are some problems, eg. the different version, have a look at the code and add the sections within the comments:

//modified by Matej Koval www.codegravity.com

That way you can identify the parts that were changed.

Enjoy :)

Comments

Add New

RSS

sashwell (98.198.45.xxx) 2007-08-03 20:56:04

this is sweet way to keep us safe from spam. seen it on other sites and i want it.
however-
installer doesn't workfor me . joomla says its missing the xml. i am assumng that you replace the original akocomment.php with the one that comes in the zip. same with akocommentbot.php.

where does the ClassMathGuard.php go? does it remain in a folder called akocomment-anti-spam-patch Folder inside the component folder?

Reply Quote

It's not a module archive !

matto3c (141.76.45.xxx) 2007-08-06 16:50:50

Please don't consider akocomment-anti-spam-patch.zip as joomla module/component archive or something. It's just an archive where are the patched files.

With these changed files you will just overwrite the original ones.

The ClassMathGuard.php belongs to the root directory of your joomla.

Hope I helped you, if you'd have any further problems, feel free to ask.

Reply Quote

Mambo

Bjorn (213.93.22.xxx) 2007-08-21 20:11:55

Hi,

Im using mambo 4.6.0 and Akocomment but have big problem with spammers. Im trying to use MathGuard but i cannot get it to work (comments does not show at all on the page). Do you have any tips on what to try? I was under the impression that mambo and joomla were more or less the same so it should work?!

Reply Quote

RE: Mambo

Matto (193.141.180.xxx) 2007-09-19 08:23:31

Hi Bjorn,
sorry, I don't know on what scale mambo and joomla are different :upset

Reply Quote

gel (76.68.39.xxx) 2007-09-25 07:58:56

Where do I have to PUT exactly "class.akocomment.php"?

'Cause now I have the php file in com_akocomment folder and dosn't work!! I mean.. don't read the "class.akocomment.php"

Reply Quote

Just reinstall

matto (SAdministrator) 2007-09-27 19:56:16

Please just uninstall the old component and install the new one from the zip archive. That's all.. You don't have to copy anything manually.

Reply Quote

Problem with this patch

tchap (80.15.164.xxx) 2007-10-17 17:53:08

Sorry for my english :sigh
I have a problem with this patch. If I install the new files, I lose the links "comment" or "Be first to comment this article ".
I use Joomla 1.0.12 and AkoComment tweaked special Edition 1.4.5
The problem come to the akocommentbot I think, but where? :?
Thanks if you have an idea

Reply Quote

matto (SAdministrator) 2007-10-18 07:53:22

There were no major changes in the code except those where the if/else code that adds a new comment is inserted. Maybe you lost the configuration you had. Maybe try to enable those links in the configuration of AkoComment. Or that might be a difference between version 1.4.5 and 1.4.6 that comes with this bundle.

Reply Quote

Problem with this patch

tchap (80.15.164.xxx) 2007-10-18 09:51:42

Thanks, but the option to enable the links don't exist in the configuration. Those links are the base of this component. I don't understand where the code disable this option.

I go to look at the php file, but if someone has a other idea :?

Reply Quote

matto (SAdministrator) 2007-10-18 11:26:03

Interesting.. here on CodeGravity.com those "Be first to comment this article" or "comment" appear by default. You can check it on the main page, and as I remember did nothing more than re-installation of an old AkoComment (components, modules, mambots).

After a closer look I found this piece of code that should be responsible for this. akocommentbot.php line 661:

if ($ac_mainmode == "0") {
$row->text = str_replace( "{moscomment}", "$replacementlink"._AKOCOMMENT_COMMENTS." ($total)".$showextralinks."", $row->text );
} elseif (in_array ($row->sectionid, $seclistarray)) {
$row->text = str_replace( "{moscomment}", "", $row->text );
// Changed by Arnaud Bonneville, 25/08/2005
// If Zero comments are posted we dont show "0 comments"
if ($total>0) {
$row->text = $row->text."$replacementlink"._AKOCOMMENT_COMMENTS." ($total)";
} else {
$row->te...

Reply Quote

Works with the 1.4.6 version

tchap (80.15.164.xxx) 2007-10-18 12:13:10

I have decided to install de 1.4.6 version. And it works.
It's cool

There is probably a bug with Akocomment 1.4.5 :?

Thanks for your help.

Reply Quote

matto (SAdministrator) 2007-10-18 12:38:17

You are welcome. Enjoy it.

Reply Quote

andro (222.124.123.xxx) 2007-10-31 00:51:04

guddd....

Reply Quote

April Wilcox (81.156.201.xxx) 2008-05-07 17:03:23

Thanks for this plugin, its really helping cut down on garbage comments on client's sites.

Reply Quote

Great plugin!

Sam (82.45.8.xxx) 2008-07-11 12:13:41

I might use this plugin for my site!

Reply Quote

jimmy (125.120.183.xxx) 2009-06-24 10:05:41

that's great

Reply Quote

Irvine Computer Repair

irvine comptuter repair (71.105.247.xxx) 2009-09-09 17:51:34

This looks really effective. I will definitely have to tell my Joomla friends about this plugin now!

Reply Quote

runescape gold

runescape gold (220.178.42.xxx) 2009-09-29 11:18:34

i am very happy to see your blog ,thank you !

Reply Quote

great

UGGS (60.210.7.xxx) 2009-11-02 08:52:26

Yeah,here with the 1.4.6 version,my comment had been that "bad answer"many times.
It really works.

Reply Quote

great

ugg online (60.210.7.xxx) 2009-11-05 07:35:04

I want to use it in my site.

Reply Quote

ed hardy

ed hardy (59.58.175.xxx) 2010-03-02 09:54:38

I want to use it in my site.

Reply Quote

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MathGuard security question, please solve:


M4B R28 T 6 L N NKD PFY R12 P 3 S W 6 N2N SLI F

Please input the anti-spam code that you can read in the image.

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