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2 years ago
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fs-html-escaping-functions.php
125 lines
| 1 | <?php |
| 2 | /** |
| 3 | * @package Freemius |
| 4 | * @copyright Copyright (c) 2015, Freemius, Inc. |
| 5 | * @license https://www.gnu.org/licenses/gpl-3.0.html GNU General Public License Version 3 |
| 6 | * @since 2.5.10 |
| 7 | */ |
| 8 | if ( ! defined( 'ABSPATH' ) ) { |
| 9 | exit; |
| 10 | } |
| 11 | |
| 12 | if ( ! function_exists( 'fs_html_get_allowed_kses_list' ) ) { |
| 13 | /** |
| 14 | * Get the allowed KSES list for sanitizing HTML output on the template files. |
| 15 | * |
| 16 | * @return array |
| 17 | */ |
| 18 | function fs_html_get_allowed_kses_list() { |
| 19 | $common_attributes = array( |
| 20 | 'class' => true, |
| 21 | 'style' => true, |
| 22 | 'data-*' => true, |
| 23 | ); |
| 24 | |
| 25 | return array( |
| 26 | 'a' => array_merge( |
| 27 | $common_attributes, |
| 28 | array( |
| 29 | 'href' => true, |
| 30 | 'title' => true, |
| 31 | 'target' => true, |
| 32 | 'rel' => true, |
| 33 | ) |
| 34 | ), |
| 35 | 'img' => array_merge( |
| 36 | $common_attributes, |
| 37 | array( |
| 38 | 'src' => true, |
| 39 | 'alt' => true, |
| 40 | 'title' => true, |
| 41 | 'width' => true, |
| 42 | 'height' => true, |
| 43 | ) |
| 44 | ), |
| 45 | 'br' => $common_attributes, |
| 46 | 'em' => $common_attributes, |
| 47 | 'small' => $common_attributes, |
| 48 | 'strong' => $common_attributes, |
| 49 | 'u' => $common_attributes, |
| 50 | 'b' => $common_attributes, |
| 51 | 'hr' => $common_attributes, |
| 52 | 'span' => $common_attributes, |
| 53 | 'p' => $common_attributes, |
| 54 | 'div' => $common_attributes, |
| 55 | 'ul' => $common_attributes, |
| 56 | 'li' => $common_attributes, |
| 57 | 'ol' => $common_attributes, |
| 58 | 'h1' => $common_attributes, |
| 59 | 'h2' => $common_attributes, |
| 60 | 'h3' => $common_attributes, |
| 61 | 'h4' => $common_attributes, |
| 62 | 'h5' => $common_attributes, |
| 63 | 'h6' => $common_attributes, |
| 64 | 'button' => $common_attributes, |
| 65 | 'sup' => $common_attributes, |
| 66 | 'sub' => $common_attributes, |
| 67 | 'nobr' => $common_attributes, |
| 68 | ); |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | if ( ! function_exists( 'fs_html_get_classname' ) ) { |
| 73 | /** |
| 74 | * Gets an HTML class attribute value. |
| 75 | * |
| 76 | * @param string|string[] $classes |
| 77 | * |
| 78 | * @return string |
| 79 | */ |
| 80 | function fs_html_get_classname( $classes ) { |
| 81 | if ( is_array( $classes ) ) { |
| 82 | $classes = implode( ' ', $classes ); |
| 83 | } |
| 84 | |
| 85 | return esc_attr( $classes ); |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | if ( ! function_exists( 'fs_html_get_attributes' ) ) { |
| 90 | /** |
| 91 | * Gets a properly escaped HTML attributes string from an associative array. |
| 92 | * |
| 93 | * @param array<string, string> $attributes A key/value pair array of attributes. |
| 94 | * |
| 95 | * @return string |
| 96 | */ |
| 97 | function fs_html_get_attributes( $attributes ) { |
| 98 | $attribute_string = ''; |
| 99 | |
| 100 | foreach ( $attributes as $key => $value ) { |
| 101 | $attribute_string .= sprintf( |
| 102 | ' %1$s="%2$s"', |
| 103 | esc_attr( $key ), |
| 104 | esc_attr( $value ) |
| 105 | ); |
| 106 | } |
| 107 | |
| 108 | return $attribute_string; |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | if ( ! function_exists( 'fs_html_get_sanitized_html' ) ) { |
| 113 | /** |
| 114 | * Get sanitized HTML for template files. |
| 115 | * |
| 116 | * @param string $raw_html |
| 117 | * |
| 118 | * @return string |
| 119 | * @since 2.5.10 |
| 120 | */ |
| 121 | function fs_html_get_sanitized_html( $raw_html ) { |
| 122 | return wp_kses( $raw_html, fs_html_get_allowed_kses_list() ); |
| 123 | } |
| 124 | } |
| 125 |