File: /var/www/html/triad-infosec/wp-content/themes/Avada/includes/lib/inc/redux/validation-functions.php
<?php
/**
* Extra Redux Validation functions.
*
* @package Fusion-Library
* @since 1.0.0
*/
// Do not allow directly accessing this file.
if ( ! defined( 'ABSPATH' ) ) {
exit( 'Direct script access denied.' );
}
if ( ! function_exists( 'fusion_redux_validate_dimension' ) ) {
/**
* Validates & sanitizes values for dimension controls.
*
* @since 4.0.0
* @param array $field The field with all its arguments.
* @param string $value The field value.
* @param string $existing_value The previous value of the control.
* @return array
*/
function fusion_redux_validate_dimension( $field, $value, $existing_value ) {
$return = [];
$value = trim( strtolower( $value ) );
if ( in_array( $value, [ 'auto', 'initial', 'inherit' ], true ) ) {
return [
'value' => $value,
];
}
$warning = false;
if ( 'round' === $value ) {
$value = '50%';
}
if ( '' === $existing_value || null === $existing_value || false === $existing_value && class_exists( 'Avada' ) ) {
$existing_value = fusion_get_theme_option( $field['id'] );
}
if ( '' === $value || null === $value || false === $value ) {
$value = $existing_value;
}
// If using calc() return the value.
if ( false !== strpos( $value, 'calc' ) ) {
return [
'warning' => $field,
'value' => $value,
];
}
// Remove spaces from the value.
$value = trim( str_replace( ' ', '', $value ) );
// Get the numeric value.
$value_numeric = Fusion_Sanitize::numeric_string( $value );
if ( empty( $value_numeric ) ) {
$value_numeric = '0';
}
// Get the units.
$value_unit = str_replace( $value_numeric, '', $value );
$value_unit = strtolower( $value_unit );
if ( '0' !== $value_numeric && empty( $value_unit ) ) {
$warning = true;
}
// An array of valid CSS units.
$valid_units = [ 'rem', 'em', 'ex', '%', 'px', 'cm', 'mm', 'in', 'pt', 'pc', 'vh', 'vw', 'vmin', 'vmax' ];
// If we can't find a valid CSS unit in the value,
// show a warning message and fallback to using pixels.
if ( '0' !== $value_numeric && ! in_array( $value_unit, $valid_units, true ) ) {
$warning = true;
}
// If the numeric value is 0, remove units.
if ( '0' === $value_numeric ) {
$value_unit = '';
}
if ( $warning ) {
/* translators: %1$s: The fallback value. %2$s: The saved value. %3$s: User-entered value. */
$replaced_units_message = esc_html__( 'We could not find a valid unit for this field, falling back to "%1$s". Saved value "%2$s" and not "%3$s".', 'Avada' );
/* translators: %1$s: The fallback value. %2$s: The saved value. %3$s: User-entered value. */
$units_message = esc_html__( 'No units were entered, falling back to using pixels. Saved value "%2$s" and not "%3$s".', 'Avada' );
if ( empty( $value_unit ) ) {
$message = $units_message;
$value_unit = 'px';
$unit_found = true;
} else {
$message = $replaced_units_message;
$unit_found = false;
foreach ( $valid_units as $valid_unit ) {
if ( $unit_found ) {
continue;
}
if ( false !== strrpos( $value_unit, $valid_unit ) ) {
$value_unit = $valid_unit;
$unit_found = true;
}
}
}
if ( ! $unit_found ) {
$value_unit = 'px';
}
$field['msg'] = sprintf( $message, $value_unit, $value_numeric . $value_unit, $value );
$return['warning'] = $field;
}
$return['value'] = $value_numeric . $value_unit;
return $return;
}
}
if ( ! function_exists( 'fusion_redux_validate_font_size' ) ) {
/**
* Validates & sanitizes values for font-size controls.
*
* @since 4.0.0
* @param array $field The field with all its arguments.
* @param string $value The field value.
* @param string $existing_value The previous value of the control.
* @return array
*/
function fusion_redux_validate_font_size( $field, $value, $existing_value ) {
$warning = false;
$value = trim( strtolower( $value ) );
$return = [];
if ( '' === $existing_value || null === $existing_value || false === $existing_value && class_exists( 'Avada' ) ) {
$existing_value = fusion_get_theme_option( $field['id'] );
}
if ( '' === $value || null === $value || false === $value ) {
$value = $existing_value;
}
// Remove spaces from the value.
$value = trim( str_replace( ' ', '', $value ) );
// Get the numeric value.
$value_numeric = Fusion_Sanitize::numeric_string( $value );
if ( empty( $value_numeric ) ) {
$value_numeric = '0';
}
// Get the units.
$value_unit = str_replace( $value_numeric, '', $value );
$value_unit = strtolower( $value_unit );
if ( empty( $value_unit ) ) {
$warning = true;
}
// An array of valid CSS units.
$valid_units = [ 'rem', 'em', 'px' ];
// If we can't find a valid CSS unit in the value.
// show a warning message and fallback to using pixels.
if ( ! in_array( $value_unit, $valid_units, true ) ) {
$warning = true;
}
if ( $warning ) {
/* translators: %1$s: The fallback value. %2$s: The saved value. %3$s: User-entered value. %4$s: A list of valid units. */
$replaced_units_message = esc_html__( 'We could not find a valid unit for this field, falling back to "%1$s". Valid units are %4$s. Saved value "%2$s" and not "%3$s.".', 'Avada' );
/* translators: %1$s: The fallback value. %2$s: The saved value. %3$s: User-entered value. %4$s: A list of valid units. */
$units_message = esc_html__( 'No units were entered, falling back to using pixels. Saved value "%2$s" and not "%3$s".', 'Avada' );
if ( empty( $value_unit ) ) {
$message = $units_message;
$value_unit = 'px';
$unit_found = true;
} else {
$message = $replaced_units_message;
$unit_found = false;
foreach ( $valid_units as $valid_unit ) {
if ( $unit_found ) {
continue;
}
if ( false !== strrpos( $value_unit, $valid_unit ) ) {
$value_unit = $valid_unit;
$unit_found = true;
}
}
}
if ( ! $unit_found ) {
$value_unit = 'px';
}
$imploded_valid_units = implode( ', ', $valid_units );
$field['msg'] = sprintf( $message, $value_unit, $value_numeric . $value_unit, $value, $imploded_valid_units );
$return['warning'] = $field;
}
$return['value'] = $value_numeric . $value_unit;
return $return;
}
}
if ( ! function_exists( 'fusion_redux_validate_dimensions' ) ) {
/**
* Validates & sanitizes values for dimentions controls.
*
* @since 4.0.0
* @param array $field The field with all its arguments.
* @param array $value The field value.
* @param array $existing_value The previous value of the control.
* @return array
*/
function fusion_redux_validate_dimensions( $field, $value, $existing_value ) {
$warning = [];
$error_message = [];
$return = [];
// An array of valid CSS units.
$valid_units = [ 'rem', 'em', 'ex', '%', 'px', 'cm', 'mm', 'in', 'pt', 'pc', 'vh', 'vw', 'vmin', 'vmax' ];
if ( ! is_array( $value ) ) {
return [
'value' => $value,
];
}
foreach ( $value as $key => $subvalue ) {
$warning[ $key ] = false;
if ( 'round' === $subvalue ) {
$value = '50%';
}
if ( ! isset( $existing_value[ $key ] ) || '' === $existing_value[ $key ] || null === $existing_value[ $key ] || false === $existing_value[ $key ] && class_exists( 'Avada' ) ) {
$existing_value = fusion_get_theme_option( $field['id'], $key );
}
if ( '' === $subvalue || null === $subvalue || false === $subvalue ) {
if ( isset( $existing_value[ $key ] ) ) {
$subvalue = $existing_value[ $key ];
}
}
// Remove spaces from the value.
$subvalue = trim( str_replace( ' ', '', $subvalue ) );
// Get the numeric value.
$subvalue_numeric = Fusion_Sanitize::numeric_string( $subvalue );
if ( empty( $subvalue_numeric ) ) {
$subvalue_numeric = '0';
}
// Get the units.
$subvalue_unit = str_replace( $subvalue_numeric, '', $subvalue );
$subvalue_unit = strtolower( $subvalue_unit );
if ( empty( $subvalue_unit ) ) {
$warning[ $key ] = true;
}
// If we can't find a valid CSS unit in the value,
// show a warning message and fallback to using pixels.
if ( ! in_array( $subvalue_unit, $valid_units, true ) ) {
$warning[ $key ] = true;
}
if ( $warning[ $key ] ) {
/* translators: %1$s: Fallback value. %2$s: Saved value. %3$s: User-entered value. */
$replaced_units_message = esc_html__( 'We could not find a valid unit for this field, falling back to "%1$s". Saved value "%2$s" and not "%3$s".', 'Avada' );
/* translators: %2$s: Saved value. %3$s: User-entered value. */
$units_message = esc_html__( 'No units were entered, falling back to using pixels. Saved value "%2$s" and not "%3$s".', 'Avada' );
if ( empty( $subvalue_unit ) ) {
$message = $units_message;
$subvalue_unit = 'px';
$subunit_found = true;
} else {
$message = $replaced_units_message;
$subunit_found = false;
foreach ( $valid_units as $valid_unit ) {
if ( $subunit_found ) {
continue;
}
if ( false !== strrpos( $subvalue_unit, $valid_unit ) ) {
$subvalue_unit = $valid_unit;
$subunit_found = true;
}
}
}
if ( ! $subunit_found ) {
$subvalue_unit = 'px';
}
$error_message[] = sprintf( $message, $subvalue_unit, $subvalue_numeric . $subvalue_unit, $subvalue );
}
$return['value'][ $key ] = $subvalue_numeric . $subvalue_unit;
}
if ( ! empty( $error_message ) ) {
$field['msg'] = implode( ' ', $error_message );
$return['warning'] = $field;
}
return $return;
}
}
if ( ! function_exists( 'fusion_redux_validate_color_rgba' ) ) {
/**
* Validates & sanitizes values for RGBA color controls.
*
* @since 4.0.0
* @param array $field The field with all its arguments.
* @param string $value The field value.
* @param string $existing_value The previous value of the control.
* @return array
*/
function fusion_redux_validate_color_rgba( $field, $value, $existing_value ) {
$return = [];
$error = false;
$sanitized_value = Fusion_Sanitize::color( $value );
$return['value'] = $sanitized_value;
if ( $value != $sanitized_value ) { // phpcs:ignore WordPress.PHP.StrictComparisons.LooseComparison
$error = true;
$field['msg'] = sprintf(
/* translators: The saved value and the user-entered value. */
esc_html__( 'Sanitized value and saved as %1$s instead of %2$s.', 'Avada' ),
'<code>' . $sanitized_value . '</code>',
'<code>' . $value . '</code>'
);
$return['warning'] = $field;
}
return $return;
}
}
if ( ! function_exists( 'fusion_redux_validate_color_hex' ) ) {
/**
* Validates & sanitizes values for HEX color controls.
*
* @since 4.0.0
* @param array $field The field with all its arguments.
* @param string $value The field value.
* @param string $existing_value The previous value of the control.
* @return array
*/
function fusion_redux_validate_color_hex( $field, $value, $existing_value ) {
$return = [];
$error = false;
$sanitized_value = Fusion_Sanitize::color( $value );
if ( false !== strpos( $sanitized_value, 'rgba' ) ) {
$sanitized_value = Fusion_Color::new_color( $sanitized_value )->to_css( 'hex' );
}
$return['value'] = $sanitized_value;
if ( $value != $sanitized_value ) { // phpcs:ignore WordPress.PHP.StrictComparisons.LooseComparison
$error = true;
$field['msg'] = sprintf(
/* translators: The saved value and the user-entered value. */
esc_html__( 'Sanitized value and saved as %1$s instead of %2$s.', 'Avada' ),
'<code>' . $sanitized_value . '</code>',
'<code>' . $value . '</code>'
);
$return['warning'] = $field;
}
return $return;
}
}
if ( ! function_exists( 'fusion_redux_validate_custom_fonts' ) ) {
/**
* Validates & sanitizes values for custom-fonts controls.
*
* @since 4.0.0
* @param array $field The field with all its arguments.
* @param array $value The field value.
* @param array $existing_value The previous value of the control.
* @return array
*/
function fusion_redux_validate_custom_fonts( $field, $value, $existing_value ) {
$return = [];
if ( isset( $value['name'] ) ) {
foreach ( $value['name'] as $name_key => $name_value ) {
$value['name'][ $name_key ] = trim( $name_value );
$value['name'][ $name_key ] = esc_attr( $value['name'][ $name_key ] );
}
}
return [
'value' => $value,
];
}
}
if ( ! function_exists( 'fusion_fusionredux_validate_select' ) ) {
/**
* Validates & sanitizes values for select controls.
*
* @since 5.8
* @param array $field The field with all its arguments.
* @param string $value The field value.
* @param string $existing_value The previous value of the control.
* @return array
*/
function fusion_fusionredux_validate_select( $field, $value, $existing_value ) {
return ( isset( $field['multi'] ) && $field['multi'] && 'fusion-theme-options-fake-value' === $value ) ? [
'value' => [],
] : [
'value' => $value,
];
}
}
if ( ! function_exists( 'fusion_fusionredux_validate_google_api_key' ) ) {
/**
* Validates & sanitizes values for select controls.
*
* @since 7.3
* @param array $field The field with all its arguments.
* @param string $value The field value.
* @param string $existing_value The previous value of the control.
* @return array
*/
function fusion_fusionredux_validate_google_api_key( $field, $value, $existing_value ) {
if ( ! empty( $value ) ) {
$value = normalize_whitespace( $value );
}
return [
'value' => $value,
];
}
}