File src/class/Utility/CSRF.php

class Lia\Utility\CSRF

Print and validate CSRF tokens for forms.
See source code at /src/class/Utility/CSRF.php

static protected array $valid_requests = []; Array of form_id:token pairs that have been successfully validated during this request.
static protected array $generated_csrf = []; Array of csrf entries that have been generated during this request. There can only be one for each form id.

static public function get_csrf_input(string $form_id, string $uri_path = '', int $expiry_minutes 60): string Get a form input to use for CSRF protection. Print this in your form. Both the input's name and value are randomly generated.
The SESSION will be set with the CSRF Key/Value pair for the given form_id
static public function is_request_valid(string $form_id, array $form_data): bool Check if a valid CSRF Key/Value pair is present within form_data for the given form_id
static public function get_csrf_value(string $form_id, string $uri_path = '', int $expiry_minutes 60): string Generate a CSRF entry for the given form_id and return the CSRF value. There can only be one CSRF token generated for each form id, and if it has already been generated, it will be returned.
static public function get_csrf_key(string $form_id)
static protected function make_csrf_code(): string Generate a random CSRF value (used both as key and value)