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divi/includes/functions/sanitization.php
2021-12-07 11:08:05 +00:00

306 lines
7.1 KiB
PHP

<?php
/**
* Sanitize float number
* @param mixed
* @return float
*/
function et_sanitize_float_number( $number ) {
return floatval( $number );
}
/**
* Sanitize integer number
* @param mixed
* @return int
*/
function et_sanitize_int_number( $number ) {
return intval( $number );
}
/**
* Sanitize font style
* @param string
* @param string
*/
function et_sanitize_font_style( $styles ) {
// List of allowable style
$allowed_styles = array_keys( et_divi_font_style_choices() );
// Explodes styles into array
$styles_array = explode( '|', $styles );
// Get valid styles
$valid_styles = array_intersect( $allowed_styles, $styles_array );
// Return sanitized styles
return implode( "|", $valid_styles );
}
/**
* Sanitize choosen option based on options' key
* @param string
* @param array
* @return string|bool
*/
function et_sanitize_key_based_option( $choosen, $options, $default = false ) {
// Validate choosen option based on available options
if ( ! isset( $options[ $choosen ] ) ) {
return $default;
}
return $choosen;
}
/**
* Sanitize font choice
* @param string
* @return string|bool
*/
function et_sanitize_font_choices( $choosen ) {
$google_fonts = et_builder_get_fonts();
$user_fonts = et_builder_get_custom_fonts();
// combine google fonts with custom user fonts
$all_fonts = array_merge( $user_fonts, $google_fonts );
return et_sanitize_key_based_option( $choosen, $all_fonts );
}
/**
* Sanitize color scheme
* @param string
* @return string|bool
*/
function et_sanitize_color_scheme( $choosen ) {
return et_sanitize_key_based_option( $choosen, et_divi_color_scheme_choices() );
}
/**
* Sanitize header style
* @param string
* @return string|bool
*/
function et_sanitize_header_style( $choosen ) {
return et_sanitize_key_based_option( $choosen, et_divi_header_style_choices() );
}
/**
* Sanitize dropdown animation
* @param string
* @return string|bool
*/
function et_sanitize_dropdown_animation( $choosen ) {
return et_sanitize_key_based_option( $choosen, et_divi_dropdown_animation_choices() );
}
/**
* Sanitize footer column
* @param string
* @return string|bool
*/
function et_sanitize_footer_column( $choosen ) {
return et_sanitize_key_based_option( $choosen, et_divi_footer_column_choices() );
}
/**
* Sanitize yes no choices
* @param string
* @return string|bool
*/
function et_sanitize_yes_no( $choosen ) {
return et_sanitize_key_based_option( $choosen, et_divi_yes_no_choices() );
}
/**
* Sanitize left or right choices
* @param string
* @return string|bool
*/
function et_sanitize_left_right( $choosen ) {
return et_sanitize_key_based_option( $choosen, et_divi_left_right_choices() );
}
/**
* Sanitize image animation choices
* @param string
* @return string|bool
*/
function et_sanitize_image_animation( $choosen ) {
return et_sanitize_key_based_option( $choosen, et_divi_image_animation_choices() );
}
/**
* Sanitize divider style choices
* @param string
* @return string|bool
*/
function et_sanitize_divider_style( $choosen ) {
return et_sanitize_key_based_option( $choosen, et_divi_divider_style_choices() );
}
/**
* Sanitize divider position choices
* @param string
* @return string|bool
*/
function et_sanitize_divider_position( $choosen ) {
return et_sanitize_key_based_option( $choosen, et_divi_divider_position_choices() );
}
/**
* Sanitize RGBA color
* @param string
* @return string|bool
*/
function et_sanitize_alpha_color( $color ) {
// Trim unneeded whitespace
$color = str_replace( ' ', '', $color );
// If this is hex color, validate and return it
if ( 1 === preg_match( '|^#([A-Fa-f0-9]{3}){1,2}$|', $color ) ) {
return $color;
}
// If this is rgb, validate and return it
elseif ( 'rgb(' === substr( $color, 0, 4 ) ) {
sscanf( $color, 'rgb(%d,%d,%d)', $red, $green, $blue );
if ( ( $red >= 0 && $red <= 255 ) &&
( $green >= 0 && $green <= 255 ) &&
( $blue >= 0 && $blue <= 255 )
) {
return "rgb({$red},{$green},{$blue})";
}
}
// If this is rgba, validate and return it
elseif ( 'rgba(' === substr( $color, 0, 5 ) ) {
sscanf( $color, 'rgba(%d,%d,%d,%f)', $red, $green, $blue, $alpha );
if ( ( $red >= 0 && $red <= 255 ) &&
( $green >= 0 && $green <= 255 ) &&
( $blue >= 0 && $blue <= 255 ) &&
$alpha >= 0 && $alpha <= 1
) {
return "rgba({$red},{$green},{$blue},{$alpha})";
}
}
return false;
}
/**
* Sanitize font icon
* @param string
* @param string
* @return string
*/
function et_sanitize_font_icon( $font_icon, $symbols_function = 'default' ) {
// Convert symbols into strings
$font_icon = trim( $font_icon );
// @phpcs:ignore Generic.PHP.ForbiddenFunctions.Found
$icon_symbols = is_callable( $symbols_function ) ? call_user_func( $symbols_function ) : et_pb_get_font_icon_symbols();
$icon_symbols = array_map( 'et_sanitize_font_icon_convert_icon_to_string', $icon_symbols );
// the exact font icon value is saved
if ( 1 !== preg_match( "/^%%/", $font_icon ) ) {
return in_array( $font_icon, $icon_symbols ) ? $font_icon : '';
}
// the font icon value is saved in the following format: %%index_number%%
// strip the %'s to get to end result: index_number
$icon_index = (int) str_replace( '%', '', $font_icon );
return isset( $icon_symbols[ $icon_index ] ) ? $icon_symbols[ $icon_index ] : '';
}
/**
* Convert font hex-code font icons into strings so it can be compared
* @param string
* @return string
*/
function et_sanitize_font_icon_convert_icon_to_string( $icon ) {
// Replace &amp; with &. Otherwise, it'll incorrectly decoded
$icon = str_replace( '&amp;', '&', $icon );
// Decode
return html_entity_decode( $icon );
}
/**
* Array of allowed html tags on short block
* @return array
*/
function et_allowed_html_tags_short_block() {
$allowed_tags = array(
'div' => array(
'class' => array(),
'id' => array(),
),
'span' => array(
'class' => array(),
'id' => array(),
),
'ol' => array(
'class' => array(),
'id' => array(),
),
'ul' => array(
'class' => array(),
'id' => array(),
),
'li' => array(
'class' => array(),
'id' => array(),
),
'p' => array(
'class' => array(),
'id' => array(),
),
'a' => array(
'href' => array(),
'class' => array(),
'id' => array(),
'rel' => array(),
'title' => array(),
'target' => array(),
),
'br' => array(),
'em' => array(),
'strong' => array(),
);
return apply_filters( 'et_allowed_html_tags_short_block', $allowed_tags );
}
/**
* Sanitize short block html input
* @return string
*/
function et_sanitize_html_input_text( $string ) {
return wp_kses( $string, et_allowed_html_tags_short_block() );
}
/**
* Sanitize background repeat value
* @return string
*/
function et_sanitize_background_repeat( $choosen ) {
return et_sanitize_key_based_option(
$choosen,
et_divi_background_repeat_choices(),
apply_filters( 'et_divi_background_repeat_default', 'repeat' )
);
}
/**
* Sanitize background attachment value
* @return string
*/
function et_sanitize_background_attachment( $choosen ) {
return et_sanitize_key_based_option(
$choosen,
et_divi_background_attachment_choices(),
apply_filters( 'et_sanitize_background_attachment_default', 'scroll' )
);
}