FM / functions

/home/altere25/infinet.finance/wp-content/plugins/wpforms/includes/functions/

/home/altere25/infinet.finance/wp-content/plugins/wpforms/includes/functions

Name	Size	Mode	Actions
access.php	10039	0644	edit dl rm
checks.php	9705	0644	edit dl rm
colors.php	1375	0644	edit dl rm
data-presets.php	19489	0644	edit dl rm
date-time.php	2986	0644	edit dl rm
debug.php	4965	0644	edit dl rm
escape-sanitize.php	10491	0644	edit dl rm
filesystem-media.php	4990	0644	edit dl rm
form-fields.php	10860	0644	edit dl rm
forms.php	11046	0644	edit dl rm
list.php	5785	0644	edit dl rm
privacy.php	2560	0644	edit dl rm
providers.php	1551	0644	edit dl rm
unused.php	7707	0644	edit dl rm
utilities.php	7581	0644	edit dl rm

Edit: /home/altere25/infinet.finance/wp-content/plugins/wpforms/includes/functions/checks.php (9705B)

<?php
/**
 * Helper functions to perform various checks across the core plugin and addons.
 *
 * @since 1.8.0
 */

use TrueBV\Punycode;

/**
 * Check if a string is a valid URL.
 *
 * @since 1.0.0
 * @since 1.5.8 Changed the pattern used to validate the URL.
 *
 * @param string $url Input URL.
 *
 * @return bool
 */
function wpforms_is_url( $url ) {

// The pattern taken from https://gist.github.com/dperini/729294.
	// It is the best choice according to the https://mathiasbynens.be/demo/url-regex.
	$pattern = '%^(?:(?:(?:https?|ftp):)?\/\/)(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z0-9\x{00a1}-\x{ffff}][a-z0-9\x{00a1}-\x{ffff}_-]{0,62})?[a-z0-9\x{00a1}-\x{ffff}]\.)+(?:[a-z\x{00a1}-\x{ffff}]{2,}\.?))(?::\d{2,5})?(?:[/?#]\S*)?$%iu';

if ( preg_match( $pattern, trim( $url ) ) ) {
		return true;
	}

return false;
}

/**
 * Verify that an email is valid.
 * See the linked RFC.
 *
 * @see https://www.rfc-editor.org/rfc/inline-errata/rfc3696.html
 *
 * @since 1.7.3
 *
 * @param string $email Email address to verify.
 *
 * @return string|false Returns a valid email address on success, false on failure.
 */
function wpforms_is_email( $email ) { // phpcs:ignore Generic.Metrics.CyclomaticComplexity.TooHigh

static $punycode;

// Do not allow callables, arrays and objects.
	if ( ! is_scalar( $email ) ) {
		return false;
	}

// Allow smart tags in the email address.
	if ( preg_match( '/{.+?}/', $email ) ) {
		return $email;
	}

// Email can't be longer than 254 octets,
	// otherwise it can't be used to send an email address (limitation in the MAIL and RCPT commands).
	// 1 octet = 8 bits = 1 byte.
	if ( strlen( $email ) > 254 ) {
		return false;
	}

$email_arr = explode( '@', $email );

if ( count( $email_arr ) !== 2 ) {
		return false;
	}

list( $local, $domain ) = $email_arr;

/**
	 * RFC requires local part to be no longer than 64 octets.
	 * Punycode library checks for 63 octets.
	 *
	 * @link https://github.com/true/php-punycode/blob/master/src/Punycode.php#L182.
	 */
	if ( strlen( $local ) > 63 ) {
		return false;
	}

$domain_arr = explode( '.', $domain );

foreach ( $domain_arr as $domain_label ) {
		$domain_label = trim( $domain_label );

if ( ! $domain_label ) {
			return false;
		}

// The RFC says: 'A DNS label may be no more than 63 octets long'.
		if ( strlen( $domain_label ) > 63 ) {
			return false;
		}
	}

if ( ! $punycode ) {
		$punycode = new Punycode();
	}

/**
	 * The wp_mail() uses phpMailer, which uses is_email() as verification callback.
	 * For verification, phpMailer sends the email address where the domain part is punycode encoded only.
	 * We follow here the same principle.
	 */
	$email_check = $local . '@' . $punycode->encode( $domain );

// Other limitations are checked by the native WordPress function is_email().
	return is_email( $email_check ) ? $local . '@' . $domain : false;
}

/**
 * Check whether the string is json-encoded.
 *
 * @since 1.7.5
 *
 * @param string $string A string.
 *
 * @return bool
 */
function wpforms_is_json( $string ) {

return (
		is_string( $string ) &&
		is_array( json_decode( $string, true ) ) &&
		json_last_error() === JSON_ERROR_NONE
	);
}

/**
 * Check whether the current page is in AMP mode or not.
 * We need to check for specific functions, as there is no special AMP header.
 *
 * @since 1.4.1
 *
 * @param bool $check_theme_support Whether theme support should be checked. Defaults to true.
 *
 * @return bool
 */
function wpforms_is_amp( $check_theme_support = true ) {

$is_amp = false;

if (
		// AMP by Automattic; ampforwp.
		( function_exists( 'is_amp_endpoint' ) && is_amp_endpoint() ) ||
		// Better AMP.
		( function_exists( 'is_better_amp' ) && is_better_amp() )
	) {
		$is_amp = true;
	}

if ( $is_amp && $check_theme_support ) {
		$is_amp = current_theme_supports( 'amp' );
	}

return apply_filters( 'wpforms_is_amp', $is_amp );
}

/**
 * Helper function to determine if loading on WPForms related admin page.
 *
 * Here we determine if the current administration page is owned/created by
 * WPForms. This is done in compliance with WordPress best practices for
 * development, so that we only load required WPForms CSS and JS files on pages
 * we create. As a result we do not load our assets admin wide, where they might
 * conflict with other plugins needlessly, also leading to a better, faster user
 * experience for our users.
 *
 * @since 1.3.9
 *
 * @param string $slug Slug identifier for a specific WPForms admin page.
 * @param string $view Slug identifier for a specific WPForms admin page view ("subpage").
 *
 * @return bool
 */
function wpforms_is_admin_page( $slug = '', $view = '' ) {

// phpcs:disable WordPress.Security.NonceVerification.Recommended, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash

// Check against basic requirements.
	if (
		! is_admin() ||
		empty( $_REQUEST['page'] ) ||
		strpos( $_REQUEST['page'], 'wpforms' ) === false
	) {
		return false;
	}

// Check against page slug identifier.
	if (
		( ! empty( $slug ) && $_REQUEST['page'] !== 'wpforms-' . $slug ) ||
		( empty( $slug ) && $_REQUEST['page'] === 'wpforms-builder' )
	) {
		return false;
	}

// Check against sub-level page view.
	if (
		! empty( $view ) &&
		( empty( $_REQUEST['view'] ) || $_REQUEST['view'] !== $view )
	) {
		return false;
	}

// phpcs:enable WordPress.Security.NonceVerification.Recommended, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash

return true;
}

/**
 * Check if a string is empty.
 *
 * @since 1.5.0
 *
 * @param string $string String to test.
 *
 * @return bool
 */
function wpforms_is_empty_string( $string ) {

return is_string( $string ) && $string === '';
}

/**
 * Determine if the request is WPForms AJAX.
 *
 * @since 1.8.0
 *
 * @return bool
 */
function wpforms_is_ajax() {

if ( ! wp_doing_ajax() ) {
		return false;
	}

// Make sure the request targets admin-ajax.php.
	if ( isset( $_SERVER['SCRIPT_FILENAME'] ) && basename( sanitize_text_field( wp_unslash( $_SERVER['SCRIPT_FILENAME'] ) ) ) !== 'admin-ajax.php' ) {
		return false;
	}

// phpcs:ignore WordPress.Security.NonceVerification.Recommended
	$action = isset( $_REQUEST['action'] ) ? sanitize_key( $_REQUEST['action'] ) : '';

return strpos( $action, 'wpforms_' ) === 0;
}

/**
 * Determine if request is frontend AJAX.
 *
 * @since 1.5.8.2
 * @since 1.6.5 Added filterable frontend ajax actions list as a fallback to missing referer cases.
 * @since 1.6.7.1 Removed a requirement for an AJAX action to be a WPForms action if referer is not missing.
 * @since 1.8.0 Added clear separation between frontend and admin AJAX requests, see `wpforms_is_admin_ajax()`.
 *
 * @return bool
 */
function wpforms_is_frontend_ajax() {

if ( wpforms_is_ajax() && ! wpforms_is_admin_ajax() ) {
		return true;
	}

// Try detecting a frontend AJAX call indirectly by comparing the current action
	// with a known frontend actions list in case there's no HTTP referer.

$ref = wp_get_raw_referer();

if ( $ref ) {
		return false;
	}

$frontend_actions = [
		'wpforms_submit',
		'wpforms_file_upload_speed_test',
		'wpforms_upload_chunk_init',
		'wpforms_upload_chunk',
		'wpforms_file_chunks_uploaded',
		'wpforms_remove_file',
		'wpforms_restricted_email',
		'wpforms_form_locker_unique_answer',
		'wpforms_form_abandonment',
	];

// phpcs:ignore WordPress.Security.NonceVerification.Recommended
	$action = isset( $_REQUEST['action'] ) ? sanitize_key( $_REQUEST['action'] ) : '';

/**
	 * Allow modifying the list of frontend AJAX actions.
	 *
	 * This filter may be running as early as `plugins_loaded` hook.
	 * Please mind the hooks order when using it.
	 *
	 * @since 1.6.5
	 *
	 * @param array $frontend_actions A list of frontend actions.
	 */
	$frontend_actions = (array) apply_filters( 'wpforms_is_frontend_ajax_frontend_actions', $frontend_actions );

return in_array( $action, $frontend_actions, true );
}

/**
 * Determine if request is admin AJAX.
 *
 * @since 1.8.0
 *
 * @return bool
 */
function wpforms_is_admin_ajax() {

if ( ! wpforms_is_ajax() ) {
		return false;
	}

$ref = wp_get_raw_referer();

if ( ! $ref ) {
		return false;
	}

$path       = wp_parse_url( $ref, PHP_URL_PATH );
	$admin_path = wp_parse_url( admin_url(), PHP_URL_PATH );

// Is an admin AJAX call if HTTP referer contain an admin path.
	return strpos( $path, $admin_path ) !== false;
}

/**
 * Check if Gutenberg is active.
 *
 * @since 1.6.2
 *
 * @return bool True if Gutenberg is active.
 */
function wpforms_is_gutenberg_active() {

$gutenberg    = false;
	$block_editor = false;

if ( has_filter( 'replace_editor', 'gutenberg_init' ) ) {
		// Gutenberg is installed and activated.
		$gutenberg = true;
	}

if ( version_compare( $GLOBALS['wp_version'], '5.0-beta', '>' ) ) {
		// Block editor.
		$block_editor = true;
	}

if ( ! $gutenberg && ! $block_editor ) {
		return false;
	}

include_once ABSPATH . 'wp-admin/includes/plugin.php';

if ( is_plugin_active( 'disable-gutenberg/disable-gutenberg.php' ) ) {
		return ! disable_gutenberg();
	}

if ( is_plugin_active( 'classic-editor/classic-editor.php' ) ) {
		return get_option( 'classic-editor-replace' ) === 'block';
	}

return true;
}

/**
 * Determines whether the current request is a WP CLI request.
 *
 * @since 1.7.6
 *
 * @return bool
 */
function wpforms_doing_wp_cli() {

return defined( 'WP_CLI' ) && WP_CLI;
}

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