HTML::FormHandler::Field::RequestToken(3p)

NAME
HTML::FormHandler::Field::RequestToken

VERSION
version 0.40068

SYNOPSIS
    with 'HTML::FormHandler::Field::Role::RequestToken';
    ...
    has_field '_token' => (
        type => 'RequestToken',
    );

DESCRIPTION
This field is for preventing CSRF attacks. It contains an encrypted token containing an expiration time for the form. No data needs to be persisted in the user's session or on the server.

NAME
HTML::FormHandler::Field::RequestToken - Hidden text field which contains a unique time-stamped token

ATTRIBUTES

  expiration_time
Length of time (in seconds) that token will be accepted as valid from the time it is initially generated. Defaults to 3600.

  token_prefix
An optional string to prepend to the token value before encrypting it. If specified, any received tokens must begin with this value to be accepted as valid. Defaults to an empty string.

Passed on form process. "$c->sessionid . '|'"

  crypto_key
Key to use to encrypt/decrypt the token payload.

  crypto_cipher_type
The "Crypt::CBC" cipher to use to encrypt/decrypt the token payload. Defaults to "Blowfish".

  message
Error message if token is missing/invalid.

  cipher
A "Crypt::CBC" object to handle encrypting/decrypting the token payload. If not specified, "crypto_key" and "crypto_cipher_type" will be used to construct one.

  verify_token
Validates whether the specified token is currently valid for this form.

  get_token
Generates a new token and returns it.

AUTHOR
FormHandler Contributors - see HTML::FormHandler

COPYRIGHT AND LICENSE
This software is copyright (c) 2017 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.