| @@ -1,0 +1,219 @@ | ||
| 1 | +<?php | |
| 2 | +/** | |
| 3 | + * Module Name: Shortcode Embeds | |
| 4 | + * Module Description: Easily embed rich media like YouTube videos and tweets using simple shortcodes. | |
| 5 | + * Sort Order: 3 | |
| 6 | + * First Introduced: 1.1 | |
| 7 | + * Major Changes In: 1.2 | |
| 8 | + * Requires Connection: No | |
| 9 | + * Auto Activate: No | |
| 10 | + * Module Tags: Photos and Videos, Social, Writing, Appearance | |
| 11 | + * Feature: Writing | |
| 12 | + * Additional Search Queries: shortcodes, shortcode, embeds, media, bandcamp, dailymotion, facebook, flickr, google calendars, google maps, polldaddy, recipe, recipes, scribd, slideshare, slideshow, slideshows, soundcloud, ted, twitter, vimeo, vine, youtube | |
| 13 | + * | |
| 14 | + * @package automattic/jetpack | |
| 15 | + */ | |
| 16 | + | |
| 17 | +if ( ! defined( 'ABSPATH' ) ) { | |
| 18 | + exit( 0 ); | |
| 19 | +} | |
| 20 | + | |
| 21 | +// Load shortcode utils. | |
| 22 | +require_once __DIR__ . '/shortcodes/shortcode-utils.php'; | |
| 23 | + | |
| 24 | +/** | |
| 25 | + * Transforms the $atts array into a string that the old functions expected | |
| 26 | + * | |
| 27 | + * The old way was: | |
| 28 | + * [shortcode a=1&b=2&c=3] or [shortcode=1] | |
| 29 | + * This is parsed as array( a => '1&b=2&c=3' ) and array( 0 => '=1' ), which is useless | |
| 30 | + * | |
| 31 | + * @param array $params Array of old shortcode parameters. | |
| 32 | + * @param bool $old_format_support true if [shortcode=foo] format is possible. | |
| 33 | + * | |
| 34 | + * @return string $params | |
| 35 | + */ | |
| 36 | +function shortcode_new_to_old_params( $params, $old_format_support = false ) { | |
| 37 | + $str = ''; | |
| 38 | + | |
| 39 | + if ( $old_format_support && isset( $params[0] ) ) { | |
| 40 | + $str = ltrim( $params[0], '=' ); | |
| 41 | + } elseif ( is_array( $params ) ) { | |
| 42 | + foreach ( array_keys( $params ) as $key ) { | |
| 43 | + if ( ! is_numeric( $key ) ) { | |
| 44 | + $str = $key . '=' . $params[ $key ]; | |
| 45 | + } | |
| 46 | + } | |
| 47 | + } | |
| 48 | + | |
| 49 | + return str_replace( array( '&', '&' ), '&', $str ); | |
| 50 | +} | |
| 51 | + | |
| 52 | +/** | |
| 53 | + * Load all available Jetpack shortcode files. | |
| 54 | + */ | |
| 55 | +function jetpack_load_shortcodes() { | |
| 56 | + // Prevent third-party shortcode plugins when loading shortcode files. | |
| 57 | + // Format: shortcode => condition_when_to_skip | |
| 58 | + $shortcode_skips = array( | |
| 59 | + 'shortcode-utils' => true, // Utils aren't shortcodes. | |
| 60 | + 'soundcloud' => function_exists( 'soundcloud_shortcode' ), // SoundCloud Shortcodes plugin | |
| 61 | + ); | |
| 62 | + | |
| 63 | + $shortcode_includes = array(); | |
| 64 | + | |
| 65 | + foreach ( Jetpack::glob_php( __DIR__ . '/shortcodes' ) as $file ) { | |
| 66 | + $filename = substr( basename( $file ), 0, -4 ); | |
| 67 | + | |
| 68 | + if ( empty( $shortcode_skips[ $filename ] ) ) { | |
| 69 | + $shortcode_includes[ $filename ] = $file; | |
| 70 | + } | |
| 71 | + } | |
| 72 | + | |
| 73 | + /** | |
| 74 | + * This filter allows other plugins to override which shortcodes Jetpack loads. | |
| 75 | + * | |
| 76 | + * Fires as part of the `after_setup_theme` WP hook, so modifying code needs to be in a plugin, not in a theme's functions.php. | |
| 77 | + * | |
| 78 | + * @module shortcodes | |
| 79 | + * | |
| 80 | + * @since 2.2.1 | |
| 81 | + * @since 4.2.0 Added filename without extension as array key. | |
| 82 | + * | |
| 83 | + * @param array $shortcode_includes An array of which shortcodes to include. | |
| 84 | + */ | |
| 85 | + $shortcode_includes = apply_filters( 'jetpack_shortcodes_to_include', $shortcode_includes ); | |
| 86 | + | |
| 87 | + foreach ( $shortcode_includes as $include ) { | |
| 88 | + include_once $include; | |
| 89 | + } | |
| 90 | +} | |
| 91 | + | |
| 92 | +/** | |
| 93 | + * Runs preg_replace so that replacements don't happen within open tags. | |
| 94 | + * Parameters are the same as preg_replace, with an added optional search param for improved performance | |
| 95 | + * | |
| 96 | + * @param string $pattern Pattern to search for. | |
| 97 | + * @param string $replacement String to replace. | |
| 98 | + * @param string $content Post content. | |
| 99 | + * @param string $search String to search for. | |
| 100 | + * | |
| 101 | + * @return string $content Replaced post content. | |
| 102 | + */ | |
| 103 | +function jetpack_preg_replace_outside_tags( $pattern, $replacement, $content, $search = null ) { | |
| 104 | + if ( $search && ! str_contains( $content, $search ) ) { | |
| 105 | + return $content; | |
| 106 | + } | |
| 107 | + | |
| 108 | + $textarr = wp_html_split( $content ); | |
| 109 | + unset( $content ); | |
| 110 | + foreach ( $textarr as &$element ) { | |
| 111 | + if ( '' === $element || '<' === $element[0] ) { | |
| 112 | + continue; | |
| 113 | + } | |
| 114 | + $element = preg_replace( $pattern, $replacement, $element ); | |
| 115 | + } | |
| 116 | + | |
| 117 | + return implode( $textarr ); | |
| 118 | +} | |
| 119 | + | |
| 120 | +/** | |
| 121 | + * Runs preg_replace_callback so that replacements don't happen within open tags. | |
| 122 | + * Parameters are the same as preg_replace, with an added optional search param for improved performance. | |
| 123 | + * | |
| 124 | + * @param string $pattern Pattern to search for. | |
| 125 | + * @param string $callback Callback returning the replacement string. | |
| 126 | + * @param string $content Post content. | |
| 127 | + * @param string $search String to search for. | |
| 128 | + * | |
| 129 | + * @return string $content Replaced post content. | |
| 130 | + */ | |
| 131 | +function jetpack_preg_replace_callback_outside_tags( $pattern, $callback, $content, $search = null ) { | |
| 132 | + if ( $search && ! str_contains( $content, $search ) ) { | |
| 133 | + return $content; | |
| 134 | + } | |
| 135 | + | |
| 136 | + $textarr = wp_html_split( $content ); | |
| 137 | + unset( $content ); | |
| 138 | + foreach ( $textarr as &$element ) { | |
| 139 | + if ( '' === $element || '<' === $element[0] ) { | |
| 140 | + continue; | |
| 141 | + } | |
| 142 | + $element = preg_replace_callback( $pattern, $callback, $element ); | |
| 143 | + } | |
| 144 | + | |
| 145 | + return implode( $textarr ); | |
| 146 | +} | |
| 147 | + | |
| 148 | +if ( ! function_exists( 'jetpack_shortcode_get_wpvideo_id' ) ) { | |
| 149 | + /** | |
| 150 | + * Get VideoPress ID from wpvideo shortcode attributes. | |
| 151 | + * | |
| 152 | + * @param array $atts Shortcode attributes. | |
| 153 | + * | |
| 154 | + * @return string|int $id VideoPress ID. | |
| 155 | + */ | |
| 156 | + function jetpack_shortcode_get_wpvideo_id( $atts ) { | |
| 157 | + if ( isset( $atts[0] ) ) { | |
| 158 | + return $atts[0]; | |
| 159 | + } else { | |
| 160 | + return 0; | |
| 161 | + } | |
| 162 | + } | |
| 163 | +} | |
| 164 | + | |
| 165 | +if ( ! function_exists( 'jetpack_shortcode_get_videopress_id' ) ) { | |
| 166 | + /** | |
| 167 | + * Get VideoPress ID from videopress shortcode attributes. | |
| 168 | + * | |
| 169 | + * @param array $atts Shortcode attributes. | |
| 170 | + * @return int $id VideoPress ID. | |
| 171 | + */ | |
| 172 | + function jetpack_shortcode_get_videopress_id( $atts ) { | |
| 173 | + if ( isset( $atts[0] ) ) { | |
| 174 | + return $atts[0]; | |
| 175 | + } else { | |
| 176 | + return 0; | |
| 177 | + } | |
| 178 | + } | |
| 179 | +} | |
| 180 | + | |
| 181 | +/** | |
| 182 | + * Common element attributes parsing and sanitizing for src, width and height. | |
| 183 | + * | |
| 184 | + * @since 4.5.0 | |
| 185 | + * | |
| 186 | + * @param array $attrs With original values. | |
| 187 | + * | |
| 188 | + * @return array $attrs With sanitized values. | |
| 189 | + */ | |
| 190 | +function wpcom_shortcodereverse_parseattr( $attrs ) { | |
| 191 | + $defaults = array( | |
| 192 | + 'src' => false, | |
| 193 | + 'width' => false, | |
| 194 | + 'height' => false, | |
| 195 | + ); | |
| 196 | + | |
| 197 | + $attrs = shortcode_atts( $defaults, $attrs ); | |
| 198 | + | |
| 199 | + $attrs['src'] = wp_strip_all_tags( $attrs['src'] ); // For sanity. | |
| 200 | + $attrs['width'] = ( is_numeric( $attrs['width'] ) ) ? abs( (int) $attrs['width'] ) : $defaults['width']; | |
| 201 | + $attrs['height'] = ( is_numeric( $attrs['height'] ) ) ? abs( (int) $attrs['height'] ) : $defaults['height']; | |
| 202 | + | |
| 203 | + return $attrs; | |
| 204 | +} | |
| 205 | + | |
| 206 | +/** | |
| 207 | + * When an embed service goes away, we can use this handler | |
| 208 | + * to output a link for history's sake. | |
| 209 | + * | |
| 210 | + * @param array $matches Regex partial matches against the URL passed. | |
| 211 | + * @param array $attr Attributes received in embed response. | |
| 212 | + * @param string $url Requested URL to be embedded. | |
| 213 | + * @return string Link to output. | |
| 214 | + */ | |
| 215 | +function jetpack_deprecated_embed_handler( $matches, $attr, $url ) { | |
| 216 | + return sprintf( '<a href="%s">%s</a>', esc_url( $url ), esc_html( esc_url( $url ) ) ); | |
| 217 | +} | |
| 218 | + | |
| 219 | +jetpack_load_shortcodes(); | |
