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| 1 | +<?php | |
| 2 | +/** | |
| 3 | + * Getty shortcode | |
| 4 | + * | |
| 5 | + * [getty src="82278805" width="$width" height="$height"] | |
| 6 | + * <div class="getty embed image" style="background-color:#fff;display:inline-block;font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;color:#a7a7a7;font-size:11px;width:100%;max-width:462px;"><div style="padding:0;margin:0;text-align:left;"><a href="http://www.gettyimages.com/detail/82278805" target="_blank" style="color:#a7a7a7;text-decoration:none;font-weight:normal !important;border:none;display:inline-block;">Embed from Getty Images</a></div><div style="overflow:hidden;position:relative;height:0;padding:80.086580% 0 0 0;width:100%;"><iframe src="//embed.gettyimages.com/embed/82278805?et=jGiu6FXXSpJDGf1SnwLV2g&sig=TFVNFtqghwNw5iJQ1MFWnI8f4Y40_sfogfZLhai6SfA=" width="462" height="370" scrolling="no" frameborder="0" style="display:inline-block;position:absolute;top:0;left:0;width:100%;height:100%;"></iframe></div><p style="margin:0;"></p></div> | |
| 7 | + * | |
| 8 | + * @package automattic/jetpack | |
| 9 | + */ | |
| 10 | + | |
| 11 | +if ( ! defined( 'ABSPATH' ) ) { | |
| 12 | + exit( 0 ); | |
| 13 | +} | |
| 14 | + | |
| 15 | +if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) { | |
| 16 | + add_action( 'init', 'jetpack_getty_enable_embeds' ); | |
| 17 | +} else { | |
| 18 | + jetpack_getty_enable_embeds(); | |
| 19 | +} | |
| 20 | + | |
| 21 | +/** | |
| 22 | + * Register Getty as oembed provider. Add filter to reverse iframes to shortcode. Register [getty] shortcode. | |
| 23 | + * | |
| 24 | + * @since 4.5.0 | |
| 25 | + * @since 5.8.0 removed string parameter. | |
| 26 | + */ | |
| 27 | +function jetpack_getty_enable_embeds() { | |
| 28 | + | |
| 29 | + // Support their oEmbed Endpoint. | |
| 30 | + wp_oembed_add_provider( '#https?://www\.gettyimages\.com/detail/.*#i', 'https://embed.gettyimages.com/oembed/', true ); | |
| 31 | + wp_oembed_add_provider( '#https?://(www\.)?gty\.im/.*#i', 'https://embed.gettyimages.com/oembed/', true ); | |
| 32 | + | |
| 33 | + if ( jetpack_shortcodes_should_hook_pre_kses() ) { | |
| 34 | + // Allow iframes to be filtered to short code (so direct copy+paste can be done). | |
| 35 | + add_filter( 'pre_kses', 'wpcom_shortcodereverse_getty' ); | |
| 36 | + } | |
| 37 | + | |
| 38 | + // Actually display the Getty Embed. | |
| 39 | + add_shortcode( 'getty', 'jetpack_getty_shortcode' ); | |
| 40 | +} | |
| 41 | + | |
| 42 | +/** | |
| 43 | + * Filters the oEmbed provider URL for Getty URLs to include site URL host as | |
| 44 | + * caller if available, falling back to "wordpress.com". Must be applied at | |
| 45 | + * time of embed in case that `init` is too early (WP.com REST API). | |
| 46 | + * | |
| 47 | + * @module shortcodes | |
| 48 | + * | |
| 49 | + * @since 5.8.0 | |
| 50 | + * | |
| 51 | + * @see WP_oEmbed::fetch | |
| 52 | + * | |
| 53 | + * @return string oEmbed provider URL | |
| 54 | + */ | |
| 55 | +add_filter( 'oembed_fetch_url', 'getty_add_oembed_endpoint_caller' ); | |
| 56 | + | |
| 57 | +/** | |
| 58 | + * Filter the embeds to add a caller parameter. | |
| 59 | + * | |
| 60 | + * @param string $provider URL of the oEmbed provider. | |
| 61 | + */ | |
| 62 | +function getty_add_oembed_endpoint_caller( $provider ) { | |
| 63 | + // By time filter is called, original provider URL has had url, maxwidth, | |
| 64 | + // maxheight query parameters added. | |
| 65 | + if ( ! str_starts_with( $provider, 'https://embed.gettyimages.com/oembed/' ) ) { | |
| 66 | + return $provider; | |
| 67 | + } | |
| 68 | + | |
| 69 | + // Set the caller argument to pass to Getty's oembed provider. | |
| 70 | + if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) { | |
| 71 | + | |
| 72 | + // Only include caller for non-private sites. | |
| 73 | + if ( ! function_exists( 'is_private_blog' ) || ! is_private_blog() ) { | |
| 74 | + $host = wp_parse_url( get_bloginfo( 'url' ), PHP_URL_HOST ); | |
| 75 | + } | |
| 76 | + | |
| 77 | + // Fall back to WordPress.com. | |
| 78 | + if ( empty( $host ) ) { | |
| 79 | + $host = 'wordpress.com'; | |
| 80 | + } | |
| 81 | + } else { | |
| 82 | + $host = wp_parse_url( get_home_url(), PHP_URL_HOST ); | |
| 83 | + } | |
| 84 | + | |
| 85 | + return add_query_arg( 'caller', $host, $provider ); | |
| 86 | +} | |
| 87 | + | |
| 88 | +/** | |
| 89 | + * Compose shortcode based on Getty iframes. | |
| 90 | + * | |
| 91 | + * @since 4.5.0 | |
| 92 | + * | |
| 93 | + * @param string $content Post content. | |
| 94 | + * | |
| 95 | + * @return mixed | |
| 96 | + */ | |
| 97 | +function wpcom_shortcodereverse_getty( $content ) { | |
| 98 | + if ( ! is_string( $content ) || false === stripos( $content, '.gettyimages.com/' ) ) { | |
| 99 | + return $content; | |
| 100 | + } | |
| 101 | + | |
| 102 | + $regexp = '!<iframe\s+src=[\'"](https?:)?//embed\.gettyimages\.com/embed(/|/?\?assets=)([a-z0-9_-]+(,[a-z0-9_-]+)*)[^\'"]*?[\'"]((?:\s+\w+=[\'"][^\'"]*[\'"])*)((?:[\s\w]*))></iframe>!i'; | |
| 103 | + $regexp_ent = str_replace( '&#0*58;', '&#0*58;|�*58;', htmlspecialchars( $regexp, ENT_NOQUOTES ) ); | |
| 104 | + | |
| 105 | + // Markup pattern for 2017 embed syntax with significant differences from the prior pattern. | |
| 106 | + $regexp_2017 = '!<a.+?class=\'gie-(single|slideshow)\'.+?gie\.widgets\.load\({([^}]+)}\).+?embed-cdn\.gettyimages\.com/widgets\.js.+?</script>!'; | |
| 107 | + $regexp_2017_ent = str_replace( '&#0*58;', '&#0*58;|�*58;', htmlspecialchars( $regexp_2017, ENT_NOQUOTES ) ); | |
| 108 | + | |
| 109 | + foreach ( compact( 'regexp_2017', 'regexp_2017_ent', 'regexp', 'regexp_ent' ) as $reg => $regexp ) { | |
| 110 | + if ( ! preg_match_all( $regexp, $content, $matches, PREG_SET_ORDER ) ) { | |
| 111 | + continue; | |
| 112 | + } | |
| 113 | + | |
| 114 | + foreach ( $matches as $match ) { | |
| 115 | + if ( 'regexp_2017' === $reg || 'regexp_2017_ent' === $reg ) { | |
| 116 | + // Extract individual keys from the matched JavaScript object. | |
| 117 | + $params = $match[2]; | |
| 118 | + if ( ! preg_match_all( '!(?P<key>\w+)\s*:\s*([\'"](?P<value>[^\'"]*?)(px)?[\'"])!', $params, $key_matches, PREG_SET_ORDER ) ) { | |
| 119 | + continue; | |
| 120 | + } | |
| 121 | + | |
| 122 | + foreach ( $key_matches as $key_match ) { | |
| 123 | + switch ( $key_match['key'] ) { | |
| 124 | + case 'items': | |
| 125 | + $ids = $key_match['value']; | |
| 126 | + break; | |
| 127 | + case 'w': | |
| 128 | + $width = (int) $key_match['value']; | |
| 129 | + break; | |
| 130 | + case 'h': | |
| 131 | + $height = (int) $key_match['value']; | |
| 132 | + break; | |
| 133 | + case 'tld': | |
| 134 | + $tld = $key_match['value']; | |
| 135 | + break; | |
| 136 | + } | |
| 137 | + } | |
| 138 | + } else { | |
| 139 | + $params = $match[5]; | |
| 140 | + if ( 'regexp_ent' === $reg ) { | |
| 141 | + $params = html_entity_decode( $params, ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML401 ); | |
| 142 | + } | |
| 143 | + $params = wp_kses_hair( $params, array( 'http' ) ); | |
| 144 | + | |
| 145 | + $ids = esc_html( $match[3] ); | |
| 146 | + $width = isset( $params['width'] ) ? (int) $params['width']['value'] : 0; | |
| 147 | + $height = isset( $params['height'] ) ? (int) $params['height']['value'] : 0; | |
| 148 | + } | |
| 149 | + | |
| 150 | + if ( empty( $ids ) ) { | |
| 151 | + continue; | |
| 152 | + } | |
| 153 | + | |
| 154 | + $shortcode = '[getty src="' . esc_attr( $ids ) . '"'; | |
| 155 | + if ( ! empty( $width ) ) { | |
| 156 | + $shortcode .= ' width="' . esc_attr( $width ) . '"'; | |
| 157 | + } | |
| 158 | + if ( ! empty( $height ) ) { | |
| 159 | + $shortcode .= ' height="' . esc_attr( $height ) . '"'; | |
| 160 | + } | |
| 161 | + | |
| 162 | + /* | |
| 163 | + * While it does not appear to have any practical impact, Getty has | |
| 164 | + * requested that we include TLD in the embed request | |
| 165 | + */ | |
| 166 | + if ( ! empty( $tld ) ) { | |
| 167 | + $shortcode .= ' tld="' . esc_attr( $tld ) . '"'; | |
| 168 | + } | |
| 169 | + $shortcode .= ']'; | |
| 170 | + | |
| 171 | + $content = str_replace( $match[0], $shortcode, $content ); | |
| 172 | + } | |
| 173 | + } | |
| 174 | + | |
| 175 | + // strip out enclosing div and any other markup. | |
| 176 | + $regexp = '%<div class="getty\s[^>]*+>.*?<div[^>]*+>(\[getty[^\]]*+\])\s*</div>.*?</div>%is'; | |
| 177 | + $regexp_ent = str_replace( array( '&#0*58;', '[^>]' ), array( '&#0*58;|�*58;', '[^&]' ), htmlspecialchars( $regexp, ENT_NOQUOTES ) ); | |
| 178 | + | |
| 179 | + foreach ( compact( 'regexp', 'regexp_ent' ) as $reg => $regexp ) { | |
| 180 | + if ( ! preg_match_all( $regexp, $content, $matches, PREG_SET_ORDER ) ) { | |
| 181 | + continue; | |
| 182 | + } | |
| 183 | + | |
| 184 | + foreach ( $matches as $match ) { | |
| 185 | + $content = str_replace( $match[0], $match[1], $content ); | |
| 186 | + } | |
| 187 | + } | |
| 188 | + | |
| 189 | + /** This action is documented in modules/widgets/social-media-icons.php */ | |
| 190 | + do_action( 'jetpack_bump_stats_extras', 'html_to_shortcode', 'getty' ); | |
| 191 | + | |
| 192 | + return $content; | |
| 193 | +} | |
| 194 | + | |
| 195 | +/** | |
| 196 | + * Parse shortcode arguments and render its output. | |
| 197 | + * | |
| 198 | + * @since 4.5.0 | |
| 199 | + * | |
| 200 | + * @param array $atts Shortcode parameters. | |
| 201 | + * @param string $content Content enclosed by shortcode tags. | |
| 202 | + * | |
| 203 | + * @return string | |
| 204 | + */ | |
| 205 | +function jetpack_getty_shortcode( $atts, $content = '' ) { | |
| 206 | + | |
| 207 | + if ( ! empty( $content ) ) { | |
| 208 | + $src = $content; | |
| 209 | + } elseif ( ! empty( $atts['src'] ) ) { | |
| 210 | + $src = $atts['src']; | |
| 211 | + } elseif ( ! empty( $atts[0] ) ) { | |
| 212 | + $src = $atts[0]; | |
| 213 | + } else { | |
| 214 | + return '<!-- Missing Getty Source ID -->'; | |
| 215 | + } | |
| 216 | + | |
| 217 | + $src = preg_replace( '/^([\da-z-]+(,[\da-z-]+)*).*$/', '$1', $src ); | |
| 218 | + | |
| 219 | + $params = array( | |
| 220 | + 'width' => isset( $atts['width'] ) ? (int) $atts['width'] : null, | |
| 221 | + 'height' => isset( $atts['height'] ) ? (int) $atts['height'] : null, | |
| 222 | + ); | |
| 223 | + | |
| 224 | + if ( ! empty( $atts['tld'] ) ) { | |
| 225 | + $params['tld'] = $atts['tld']; | |
| 226 | + } | |
| 227 | + | |
| 228 | + return wp_oembed_get( 'https://gty.im/' . $src, array_filter( $params ) ); | |
| 229 | +} | |
