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libcgi-application-plugin-captcha-perl

module providing CAPTCHA support in CGI::Application

CGI::Application::Plugin::CAPTCHA allows programmers to easily add and verify CAPTCHAs in their CGI::Application-derived web applications. A CAPTCHA (or Completely Automated Public Turing Test to Tell Computers and Humans Apart) is an image with a random string of characters. A user must successfully enter the random string in order to submit a form. This is a simple (yet annoying) procedure for humans to complete, but one that is significantly more difficult for a form-stuffing script to complete without having to integrate some sort of OCR.

CAPTCHAs are not a perfect solution. Any skilled, diligent cracker will eventually be able to bypass a CAPTCHA, but it should be able to shut down your average script-kiddie.

When a CAPTCHA is created with this module, raw image data is transmitted from your web application to the client browser. A cookie containing a checksum is also transmitted with the image. When the client submits their form for processing (along with their verification of the random string), captcha_verify() generates a checksum of the verification string the user entered. If the newly generated checksum matches the checksum found in the cookie, the CAPTCHA is assumed to have been successfully entered, and the user is allowed to continue processing their form.

Homepage:
Package version:0.04-1
Architecture:all
Distribution:Debian
Filename:libcgi-application-plugin-captcha-perl_0.04-1_all.deb

/usr/share/man/man3/CGI::Application::Plugin::CAPTCHA.3pm.gz

CGI::Application:UsergContribuCGI::Application::Plugin::CAPTCHA(3pm)



NAME
       CGI::Application::Plugin::CAPTCHA - Easily create, use, and
       verify CAPTCHAs in CGI::Application-based web applications.

VERSION
       Version 0.04

SYNOPSIS
           # In your CGI::Application-based web application module. . .
           use CGI::Application::Plugin::CAPTCHA;

           sub setup
      
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/usr/share/doc/libcgi-application-plugin-captcha-perl/changelog.Debian.gz

libcgi-application-plugin-captcha-perl (0.04-1) unstable; urgency=low

  * Split off from
    libcgi-application-extra-plugin-bundle-perl (Closes: #646968).

 -- Nicholas Bamber <nicholas@periapt.co.uk>  Thu, 10 Nov 2011 21:53:10 +0000

/usr/share/doc/libcgi-application-plugin-captcha-perl/changelog.gz

Revision history for CGI-Application-Plugin-CAPTCHA
0.04    01/07/2011
        Added GitHub repo link
        Fixed module dependencies.

0.03    01/04/2011
        Forgot to add Digest::SHA1 to list of dependencies.
        
0.02    01/04/2011
        Skip some tests if Test::WWW::Mechanize is not available (RT#17146, by ZACKSE)
        Test tweaks
        Fixed various issues with Module::Build 
more»

/usr/share/doc/libcgi-application-plugin-captcha-perl/copyright

Format-Specification: http://anonscm.debian.org/viewvc/dep/web/deps/dep5.mdwn?view=markup&pathrev=13
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