<?php

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if ( ! function_exists( 'et_core_data_init' ) ):

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function et_core_data_init() {}

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endif;

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if ( ! function_exists( 'et_' ) ):

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function et_() {

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global $et_;

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if ( ! $et_ ) {

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$et_ = ET_Core_Data_Utils::instance();

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}

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return $et_;

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}

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endif;

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if ( ! function_exists( 'et_html_attr' ) ):

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/**

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* Generates a properly escaped attribute string.

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*

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* @param string $name The attribute name.

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* @param string $value The attribute value.

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* @param bool $space_before Whether or not the result should start with a space. Default is `true`.

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*

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* @return string

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*/

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function et_html_attr( $name, $value, $space_before = true ) {

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$result = ' ' . esc_attr( $name ) . '="' . esc_attr( $value ) . '"';

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return $space_before ? $result : trim( $result );

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}

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endif;

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if ( ! function_exists( 'et_html_attrs' ) ):

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/**

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* Generate properly escaped attributes string

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*

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* @since 3.10

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*

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* @param array $attributes Array of attributes

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*

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* @return string

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*/

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function et_html_attrs( $attributes = array() ) {

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$output = '';

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foreach ( $attributes as $name => $value ) {

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$parsed_value = is_array( $value ) ? implode( ' ', $value ) : $value;

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$output .= et_html_attr( $name, $parsed_value );

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}

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return $output;

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}

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endif;

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if ( ! function_exists( 'et_sanitized_previously' ) ):

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/**

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* Semantical previously sanitized acknowledgement

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*

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* @deprecated {@see et_core_sanitized_previously()}

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*

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* @since 3.17.3 Deprecated

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*

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* @param mixed $value The value being passed-through

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*

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* @return mixed

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*/

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function et_sanitized_previously( $value ) {

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et_debug( "You're Doing It Wrong! Attempted to call " . __FUNCTION__ . "(), use et_core_sanitized_previously() instead." );

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return $value;

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}

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endif;

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if ( ! function_exists( 'et_core_sanitized_previously' ) ):

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/**

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* Semantical previously sanitized acknowledgement

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*

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* @since 3.17.3

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*

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* @param mixed $value The value being passed-through

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*

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* @return mixed

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*/

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function et_core_sanitized_previously( $value ) {

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return $value;

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}

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endif;

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if ( ! function_exists( 'et_core_esc_attr' ) ):

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/**

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* Escape attribute value

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*

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* @since 3.27.1?

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*

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* @param string $attr_key Element attribute key.

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* @param (string|array) $attr_value Element attribute value.

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*

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* @return (string|array|WP_Error)

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*/

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function et_core_esc_attr( $attr_key, $attr_value ) {

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// Skip validation for landscape image default value.

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$image_landscape = 'data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTA4MCIgaGVpZ2h0PSI1NDAiIHZpZXdCb3g9IjAgMCAxMDgwIDU0MCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KICAgIDxnIGZpbGw9Im5vbmUiIGZpbGwtcnVsZT0iZXZlbm9kZCI+CiAgICAgICAgPHBhdGggZmlsbD0iI0VCRUJFQiIgZD0iTTAgMGgxMDgwdjU0MEgweiIvPgogICAgICAgIDxwYXRoIGQ9Ik00NDUuNjQ5IDU0MGgtOTguOTk1TDE0NC42NDkgMzM3Ljk5NSAwIDQ4Mi42NDR2LTk4Ljk5NWwxMTYuMzY1LTExNi4zNjVjMTUuNjItMTUuNjIgNDAuOTQ3LTE1LjYyIDU2LjU2OCAwTDQ0NS42NSA1NDB6IiBmaWxsLW9wYWNpdHk9Ii4xIiBmaWxsPSIjMDAwIiBmaWxsLXJ1bGU9Im5vbnplcm8iLz4KICAgICAgICA8Y2lyY2xlIGZpbGwtb3BhY2l0eT0iLjA1IiBmaWxsPSIjMDAwIiBjeD0iMzMxIiBjeT0iMTQ4IiByPSI3MCIvPgogICAgICAgIDxwYXRoIGQ9Ik0xMDgwIDM3OXYxMTMuMTM3TDcyOC4xNjIgMTQwLjMgMzI4LjQ2MiA1NDBIMjE1LjMyNEw2OTkuODc4IDU1LjQ0NmMxNS42Mi0xNS42MiA0MC45NDgtMTUuNjIgNTYuNTY4IDBMMTA4MCAzNzl6IiBmaWxsLW9wYWNpdHk9Ii4yIiBmaWxsPSIjMDAwIiBmaWxsLXJ1bGU9Im5vbnplcm8iLz4KICAgIDwvZz4KPC9zdmc+Cg==';

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if ( $attr_value === $image_landscape ) {

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return $attr_value;

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}

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// Skip validation for portrait image default value.

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$image_portrait = 'data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNTAwIiBoZWlnaHQ9IjUwMCIgdmlld0JveD0iMCAwIDUwMCA1MDAiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+CiAgICA8ZyBmaWxsPSJub25lIiBmaWxsLXJ1bGU9ImV2ZW5vZGQiPgogICAgICAgIDxwYXRoIGZpbGw9IiNFQkVCRUIiIGQ9Ik0wIDBoNTAwdjUwMEgweiIvPgogICAgICAgIDxyZWN0IGZpbGwtb3BhY2l0eT0iLjEiIGZpbGw9IiMwMDAiIHg9IjY4IiB5PSIzMDUiIHdpZHRoPSIzNjQiIGhlaWdodD0iNTY4IiByeD0iMTgyIi8+CiAgICAgICAgPGNpcmNsZSBmaWxsLW9wYWNpdHk9Ii4xIiBmaWxsPSIjMDAwIiBjeD0iMjQ5IiBjeT0iMTcyIiByPSIxMDAiLz4KICAgIDwvZz4KPC9zdmc+Cg==';

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if ( $attr_value === $image_portrait ) {

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return $attr_value;

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}

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$attr_key = strtolower( $attr_key );

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$allowed_attrs_default = array(

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// Filter style.

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// @see https://developer.wordpress.org/reference/functions/safecss_filter_attr/

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'style' => 'safecss_filter_attr',

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// We just pick some of the HTML attributes considered safe to use.

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'data-*' => 'esc_attr',

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'align' => 'esc_attr',

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'alt' => 'esc_attr',

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'autofocus' => 'esc_attr',

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'autoplay' => 'esc_attr',

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'class' => 'esc_attr',

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'cols' => 'esc_attr',

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'controls' => 'esc_attr',

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'disabled' => 'esc_attr',

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'height' => 'esc_attr',

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'id' => 'esc_attr',

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'max' => 'esc_attr',

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'min' => 'esc_attr',

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'multiple' => 'esc_attr',

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'name' => 'esc_attr',

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'placeholder' => 'esc_attr',

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'required' => 'esc_attr',

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'rows' => 'esc_attr',

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'size' => 'esc_attr',

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'sizes' => 'esc_attr',

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'srcset' => 'esc_attr',

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'step' => 'esc_attr',

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'tabindex' => 'esc_attr',

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'target' => 'esc_attr',

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'title' => 'esc_attr',

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'type' => 'esc_attr',

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'value' => 'esc_attr',

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'width' => 'esc_attr',

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// We just pick some of the HTML attributes containing a URL.

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// @see https://developer.wordpress.org/reference/functions/wp_kses_uri_attributes/

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'action' => 'esc_url',

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'background' => 'esc_url',

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'formaction' => 'esc_url',

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'href' => 'esc_url',

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'icon' => 'esc_url',

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'poster' => 'esc_url',

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'src' => 'esc_url',

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'usemap' => 'esc_url',

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);

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/**

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* Filters allowed attributes

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*

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* @since 3.27.1?

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*

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* @param array $allowed_attrs_default Key/value paired array, the key used as the attribute identifier,

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* the value used as the callback to escape the value.

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* @param string $attr_key Element attribute key.

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* @param (string|array) $attr_value Element attribute value.

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*

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* @return array

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*/

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$allowed_attrs = apply_filters( 'et_core_esc_attr', $allowed_attrs_default, $attr_key, $attr_value );

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// Get attribute key callback.

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$callback = isset( $allowed_attrs[ $attr_key ] ) && 'data-*' !== $attr_key ? $allowed_attrs[ $attr_key ] : false;

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// Get data attribute key callback.

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if ( ! $callback && 'data-*' !== $attr_key && 0 === strpos( $attr_key, 'data-' ) && isset( $allowed_attrs['data-*'] ) ) {

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$callback = $allowed_attrs['data-*'];

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}

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if ( ! $callback || ! is_callable( $callback ) ) {

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return new WP_Error( 'invalid_attr_key', __( 'Invalid attribute key', 'et_builder' ) );

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}

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if ( is_array( $attr_value ) ) {

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return array_map( $callback, $attr_value );

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}

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// @phpcs:ignore Generic.PHP.ForbiddenFunctions.Found

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return call_user_func( $callback, $attr_value );

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}

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endif;

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if ( ! function_exists( 'et_core_sanitize_element_tag' ) ):

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/**

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* Sanitize element tag

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*

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* @since 3.27.1?

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*

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* @param string $tag Element tag.

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*

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* @return (string|WP_Error)

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*/

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function et_core_sanitize_element_tag( $tag ) {

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$tag = strtolower( $tag );

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$headings = array(

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'h1',

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'h2',

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'h3',

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'h4',

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'h5',

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'h6',

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);

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// Bail early for heading tags.

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if ( in_array( $tag, $headings, true ) ) {

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return $tag;

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}

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$tag = preg_replace( '/[^a-z]/', '', $tag );

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$disallowed_tags = array(

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'applet',

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'body',

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'canvas',

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'command',

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'content',

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'element',

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'embed',

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'frame',

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'frameset',

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'head',

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'html',

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'iframe',

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'noembed',

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'noframes',

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'noscript',

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'object',

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'param',

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'script',

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'shadow',

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'slot',

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'style',

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'template',

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'title',

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'xml',

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);

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[256] Fix | Delete

if ( empty( $tag ) || in_array( $tag, $disallowed_tags, true ) ) {

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return new WP_Error( 'invalid_element_tag', __( 'Invalid tag element', 'et_builder' ) );

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}

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[260] Fix | Delete

return $tag;

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}

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endif;

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[264] Fix | Delete

/**

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* Pass thru semantical previously escaped acknowledgement

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*

[267] Fix | Delete

* @since 3.17.3

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*

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* @param string value being passed through

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* @return string

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*/

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if ( ! function_exists( 'et_core_esc_previously' ) ) :

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function et_core_esc_previously( $passthru ) {

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return $passthru;

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}

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endif;

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[278] Fix | Delete

/**

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* Pass thru function used to pacfify phpcs sniff.

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* Used when the nonce is checked elsewhere.

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*

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* @since 3.17.3

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*

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* @return void

[285] Fix | Delete

*/

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if ( ! function_exists( 'et_core_nonce_verified_previously' ) ) :

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function et_core_nonce_verified_previously() {

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// :)

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}

[290] Fix | Delete

endif;

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[292] Fix | Delete

/**

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* Pass thru semantical escaped by WordPress core acknowledgement

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*

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* @since 3.17.3

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*

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* @param string value being passed through

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* @return string

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*/

[300] Fix | Delete

if ( ! function_exists( 'et_core_esc_wp' ) ) :

[301] Fix | Delete

function et_core_esc_wp( $passthru ) {

[302] Fix | Delete

return $passthru;

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}

[304] Fix | Delete

endif;

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[306] Fix | Delete

/**

[307] Fix | Delete

* Pass thru semantical intentionally unescaped acknowledgement

[308] Fix | Delete

*

[309] Fix | Delete

* @since 3.17.3

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*

[311] Fix | Delete

* @param string value being passed through

[312] Fix | Delete

* @param string excuse the value is allowed to be unescaped

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* @return string

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*/

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if ( ! function_exists( 'et_core_intentionally_unescaped' ) ) :

[316] Fix | Delete

function et_core_intentionally_unescaped( $passthru, $excuse ) {

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// Add valid excuses as they arise

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$valid_excuses = array(

[319] Fix | Delete

'cap_based_sanitized',

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'fixed_string',

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'react_jsx',

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'html',

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'underscore_template',

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);

[325] Fix | Delete

[326] Fix | Delete

if ( ! in_array( $excuse, $valid_excuses ) ) {

[327] Fix | Delete

_doing_it_wrong( __FUNCTION__, esc_html__( 'This is not a valid excuse to not escape the passed value.', 'et_core' ), esc_html( et_get_theme_version() ) );

[328] Fix | Delete

}

[329] Fix | Delete

[330] Fix | Delete

return $passthru;

[331] Fix | Delete

}

[332] Fix | Delete

endif;

[333] Fix | Delete

[334] Fix | Delete

/**

[335] Fix | Delete

* Sanitize value depending on user capability

[336] Fix | Delete

*

[337] Fix | Delete

* @since 3.17.3

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*

[339] Fix | Delete

* @return string value being passed through

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*/

[341] Fix | Delete

if ( ! function_exists( 'et_core_sanitize_value_by_cap' ) ) :

[342] Fix | Delete

function et_core_sanitize_value_by_cap( $passthru, $sanitize_function = 'et_sanitize_html_input_text', $cap = 'unfiltered_html' ) {

[343] Fix | Delete

if ( ! current_user_can( $cap ) ) {

[344] Fix | Delete

$passthru = $sanitize_function( $passthru );

[345] Fix | Delete

}

[346] Fix | Delete

[347] Fix | Delete

return $passthru;

[348] Fix | Delete

}

[349] Fix | Delete

endif;

[350] Fix | Delete

[351] Fix | Delete

/**

[352] Fix | Delete

* Pass thru semantical intentionally unsanitized acknowledgement

[353] Fix | Delete

*

[354] Fix | Delete

* @since 3.17.3

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*

[356] Fix | Delete

* @param string value being passed through

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* @param string excuse the value is allowed to be unsanitized

[358] Fix | Delete

* @return string

[359] Fix | Delete

*/

[360] Fix | Delete

if ( ! function_exists( 'et_core_intentionally_unsanitized' ) ) :

[361] Fix | Delete

function et_core_intentionally_unsanitized( $passthru, $excuse ) {

[362] Fix | Delete

// Add valid excuses as they arise

[363] Fix | Delete

$valid_excuses = array();

[364] Fix | Delete

[365] Fix | Delete

if ( ! in_array( $excuse, $valid_excuses ) ) {

[366] Fix | Delete

_doing_it_wrong( __FUNCTION__, esc_html__( 'This is not a valid excuse to not sanitize the passed value.', 'et_core' ), esc_html( et_get_theme_version() ) );

[367] Fix | Delete

}

[368] Fix | Delete

[369] Fix | Delete

return $passthru;

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}

[371] Fix | Delete

endif;

[372] Fix | Delete

[373] Fix | Delete

/**

[374] Fix | Delete

* Fixes unclosed HTML tags

[375] Fix | Delete

*

[376] Fix | Delete

* @since 3.18.4

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*

[378] Fix | Delete

* @param string $content source HTML

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*

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* @return string

[381] Fix | Delete

*/

[382] Fix | Delete

if ( ! function_exists( 'et_core_fix_unclosed_html_tags' ) ):

[383] Fix | Delete

function et_core_fix_unclosed_html_tags( $content ) {

[384] Fix | Delete

// Exit if source has no HTML tags or we miss what we need to fix them anyway.

[385] Fix | Delete

if ( false === strpos( $content, '<' ) || ! class_exists( 'DOMDocument' ) ) {

[386] Fix | Delete

return $content;

[387] Fix | Delete

}

[388] Fix | Delete

[389] Fix | Delete

$scripts = false;

[390] Fix | Delete

[391] Fix | Delete

if ( false !== strpos( $content, '<script' ) ) {

[392] Fix | Delete

// Replace scripts with placeholders so we don't mess with HTML included in JS strings.

[393] Fix | Delete

$scripts = new ET_Core_Data_ScriptReplacer();

[394] Fix | Delete

$content = preg_replace_callback( '|<script.*?>[\s\S]+?</script>|', array( $scripts, 'replace' ), $content );

[395] Fix | Delete

}

[396] Fix | Delete

[397] Fix | Delete

$doc = new DOMDocument();

[398] Fix | Delete

@$doc->loadHTML( sprintf(

[399] Fix | Delete

'<html><head>%s</head><body>%s</body></html>',

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// Use WP charset

[401] Fix | Delete

sprintf( '<meta http-equiv="content-type" content="text/html; charset=%s" />', get_bloginfo( 'charset' ) ),

[402] Fix | Delete

$content

[403] Fix | Delete

) );

[404] Fix | Delete

[405] Fix | Delete

if ( preg_match( '|<body>([\s\S]+)</body>|', $doc->saveHTML(), $matches ) ) {

[406] Fix | Delete

// Extract the fixed content.

[407] Fix | Delete

$content = $matches[1];

[408] Fix | Delete

}

[409] Fix | Delete

[410] Fix | Delete

if ( $scripts ) {

[411] Fix | Delete

// Replace placeholders with scripts.

[412] Fix | Delete

$content = strtr( $content, $scripts->map() );

[413] Fix | Delete

}

[414] Fix | Delete

[415] Fix | Delete

return $content;

[416] Fix | Delete

}

[417] Fix | Delete

endif;

[418] Fix | Delete

[419] Fix | Delete

[420] Fix | Delete

/**

[421] Fix | Delete

* Converts string to UTF-8 if mb_convert_encoding function exists

[422] Fix | Delete

*

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* @since 3.19.17

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*

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* @param string $string source string

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*

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* @return string

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*/

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if ( ! function_exists( 'et_core_maybe_convert_to_utf_8' ) ):

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function et_core_maybe_convert_to_utf_8( $string ) {

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if ( function_exists( 'mb_convert_encoding' ) ) {

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return mb_convert_encoding( $string, 'UTF-8' );

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}

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return $string;

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}

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endif;

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