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HTML::FormHandler::TraUserrContributed)HTML::FormHandler::TraitFor::Captcha(3)

NAME
       HTML::FormHandler::TraitFor::Captcha - generate and validate captchas

VERSION
       version 0.40067

SYNOPSIS
       A role to use in	a form to implement a captcha field.

	  package MyApp::Form;
	  use HTML::FormHandler::Moose;
	  with 'HTML::FormHandler::TraitFor::Captcha';

       or

	  my $form = MyApp::Form->new( traits => ['HTML::FormHandler::TraitFor::Captcha'],
	      ctx => $c	);

       Needs a context object set in the form's	'ctx' attribute	which has a
       session hashref in which	to store a 'captcha' hashref, such as is
       provided	by Catalyst session plugin.

METHODS
   get_captcha
       Get a captcha stored in "$form->ctx->{session}"

set_captcha
       Set a captcha in	"$self->ctx->{session}"

   captcha_image_url
       Default is '/captcha/image'. Override in	a form to change.

	  sub captcha_image_url	{ '/my/image/url/' }

       Example of a Catalyst action to handle the image:

	   sub image : Local {
	       my ( $self, $c )	= @_;
	       my $captcha = $c->session->{captcha};
	       $c->response->body($captcha->{image});
	       $c->response->content_type('image/'. $captcha->{type});
	       $c->res->headers->expires( time() );
	       $c->res->headers->header( 'Last-Modified' => HTTP::Date::time2str );
	       $c->res->headers->header( 'Pragma'	 => 'no-cache' );
	       $c->res->headers->header( 'Cache-Control' => 'no-cache' );
	   }

AUTHOR
       FormHandler Contributors	- see HTML::FormHandler

COPYRIGHT AND LICENSE
       This software is	copyright (c) 2016 by Gerda Shank.

       This is free software; you can redistribute it and/or modify it under
       the same	terms as the Perl 5 programming	language system	itself.

perl v5.24.1			  2016-HTML::FormHandler::TraitFor::Captcha(3)

NAME | VERSION | SYNOPSIS | METHODS | set_captcha | AUTHOR | COPYRIGHT AND LICENSE

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