SimpleMath Captcha Plugin

Post by **Extensions Robot** » Sat Sep 26, 2009 7:31 pm

Modification name: SimpleMath Captcha Plugin
Author: nickvergessen
Modification description: Displays a little arithmetic problem to the user, which needs to be solved.
Modification version: 1.0.1
Tested on phpBB version: 3.0.5

Download file: NV_simplemath_captcha_1_0_1.zip
File size: 63.17 KiB

Modification overview page: View

The phpBB Team is not responsible nor required to provide support for this modification. By installing this MOD, you acknowledge that the phpBB Support Team or phpBB Extension Customisations Team may not be able to provide support.

-->Modification support<--

YouTube · Post by **DavidIQ** » Sat Sep 26, 2009 7:31 pm

Modification validated/released

Notes:
THIS IS A MOD FOR phpBB VERSION 3.0.6 AND HIGHER

Please do not attempt to install or use this MOD on a version prior to 3.0.6.

nickvergessen · Post by **nickvergessen** » Sat Sep 26, 2009 7:31 pm

Screenshots:

Register-Page:
Posting-Page:

PinoyEngine™ · Post by **PinoyEngine™** » Sun Sep 27, 2009 9:18 am

Will this show the arithmetic in creating new topic or in registration?

Thanks in advance and more power.

eman80 · Post by **eman80** » Sun Sep 27, 2009 10:12 am

Fantastic

Thank you NV for this one

It works perfectly with me on phpBB 3.0.6 RC2

nickvergessen · Post by **nickvergessen** » Sun Sep 27, 2009 11:20 am

Screenshots added in the reserved post.

stokerpiller · Post by **stokerpiller** » Sun Sep 27, 2009 9:40 pm

I have tried this. I get a white page when chosing it in ACP.

prototech · Post by **prototech** » Tue Sep 29, 2009 4:55 am

From captcha_simplemath.html:

Code: Select all

<input type="text" tabindex="{$CAPTCHA_TAB_INDEX}" name="confirm_code" id="confirm_code" size="25" class="inputbox autowidth" title="{L_ANSWER}" />

You use L_ANSWER, but that language entry is not included in the language file.

maxwell2 · Post by **maxwell2** » Tue Sep 29, 2009 6:46 am

nickvergessen wrote:Screenshots:
Register-Page:

Posting-Page:

Screenshots doesn't works

nickvergessen · Post by **nickvergessen** » Tue Sep 29, 2009 8:23 am

The server is currently down.

stokerpiller · Post by **stokerpiller** » Tue Sep 29, 2009 8:37 am

stokerpiller wrote:I have tried this. I get a white page when chosing it in ACP.

How do I solve this?
I run 3.0.6 RC2

Powerlord · Post by **Powerlord** » Wed Sep 30, 2009 4:09 am

I don't mean to sound negative, but wouldn't this CAPTCHA be fairly easy to break? It's not hard to convert words to symbols and textual numbers to digits.

Or am I missing something here?

nickvergessen · Post by **nickvergessen** » Wed Sep 30, 2009 8:38 am

Powerlord wrote:I don't mean to sound negative, but wouldn't this CAPTCHA be fairly easy to break? It's not hard to convert words to symbols and textual numbers to digits.

Or am I missing something here?

The main point to this captcha is, that it is highly customable.
You can add/edit the numbers in the language file. So f.e. you can add images of numbers aswell and just some more things. and f.e. google (and I guess bots aswell) can not calculate with latin numbers which are added.

stokerpiller · Post by **stokerpiller** » Thu Oct 01, 2009 9:08 am

I think the error was that my server doesn't have bcmath installed:

Code: Select all

PHP Fatal error: Call to undefined function bcsub() in /xxx/httpdocs/includes/captcha/plugins/phpbb_captcha_simplemath_plugin.php on line 448, referer:xxx/adm/index.php?sid=xxx&i=captcha&mode=visual

nickvergessen · Post by **nickvergessen** » Thu Oct 01, 2009 9:34 am

PHP wrote:Since PHP 4.0.4, libbcmath is bundled with PHP. You don't need any external libraries for this extension.

What version are you running than?

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