HTML::FormFu::Element:UseruContributed PHTML::FormFu::Element::RequestToken(3)NAMEHTML::FormFu::Element::RequestToken - Hidden text field which contains
a unique token
SYNOPSIS
my $e = $form->element( { type => 'Token' } );
my $p = $form->element( { plugin => 'Token' } );
DESCRIPTION
This field can prevent CSRF attacks. It contains a random token. After
submission the token is checked with the token which is stored in the
session of the current user. See "request_token_enable" in
Catalyst::Controller::HTML::FormFu for a convenient way how to use it.
ATTRIBUTES
context
Value of the stash key for the Catalyst context object ($c). Defaults
to "context".
expiration_time
Time to life for a token in seconds. Defaults to 3600.
session_key
Session key which is used to store the tokens. Defaults to "__token".
limit
Limit the number of tokens which are kept in the session. Defaults to
20.
constraints
Defaults to HTML::FormFu::Constraint::RequestToken and
HTML::FormFu::Constraint::Required.
message
Set the error message.
METHODS
expire_token
This method looks in the session for expired tokens and removes them.
get_token
Generates a new token and stores it in the stash.
verify_token
Checks whether a given token is already in the session. Returns 1 if it
exists, 0 otherwise.
SEE ALSO
Catalyst::Controller::HTML::FormFu, HTML::FormFu::Plugin::RequestToken,
HTML::FormFu::Constraint::RequestToken
HTML::FormFu
AUTHOR
Moritz Onken, "onken@houseofdesign.de"
LICENSE
This library is free software, you can redistribute it and/or modify it
under the same terms as Perl itself.
perl v5.14.12011-0HTML::FormFu::Element::RequestToken(3)