getty.php
| 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 Jetpack |
| 9 | */ |
| 10 | |
| 11 | if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) { |
| 12 | add_action( 'init', 'jetpack_getty_enable_embeds' ); |
| 13 | } else { |
| 14 | jetpack_getty_enable_embeds(); |
| 15 | } |
| 16 | |
| 17 | /** |
| 18 | * Register Getty as oembed provider. Add filter to reverse iframes to shortcode. Register [getty] shortcode. |
| 19 | * |
| 20 | * @since 4.5.0 |
| 21 | * @since 5.8.0 removed string parameter. |
| 22 | */ |
| 23 | function jetpack_getty_enable_embeds() { |
| 24 | |
| 25 | // Support their oEmbed Endpoint. |
| 26 | wp_oembed_add_provider( '#https?://www\.gettyimages\.com/detail/.*#i', 'https://embed.gettyimages.com/oembed/', true ); |
| 27 | wp_oembed_add_provider( '#https?://(www\.)?gty\.im/.*#i', 'https://embed.gettyimages.com/oembed/', true ); |
| 28 | |
| 29 | // Allow iframes to be filtered to short code (so direct copy+paste can be done). |
| 30 | add_filter( 'pre_kses', 'wpcom_shortcodereverse_getty' ); |
| 31 | |
| 32 | // Actually display the Getty Embed. |
| 33 | add_shortcode( 'getty', 'jetpack_getty_shortcode' ); |
| 34 | } |
| 35 | |
| 36 | /** |
| 37 | * Filters the oEmbed provider URL for Getty URLs to include site URL host as |
| 38 | * caller if available, falling back to "wordpress.com". Must be applied at |
| 39 | * time of embed in case that `init` is too early (WP.com REST API). |
| 40 | * |
| 41 | * @module shortcodes |
| 42 | * |
| 43 | * @since 5.8.0 |
| 44 | * |
| 45 | * @see WP_oEmbed::fetch |
| 46 | * |
| 47 | * @return string oEmbed provider URL |
| 48 | */ |
| 49 | add_filter( 'oembed_fetch_url', 'getty_add_oembed_endpoint_caller' ); |
| 50 | |
| 51 | /** |
| 52 | * Filter the embeds to add a caller parameter. |
| 53 | * |
| 54 | * @param string $provider URL of the oEmbed provider. |
| 55 | */ |
| 56 | function getty_add_oembed_endpoint_caller( $provider ) { |
| 57 | // By time filter is called, original provider URL has had url, maxwidth, |
| 58 | // maxheight query parameters added. |
| 59 | if ( 0 !== strpos( $provider, 'https://embed.gettyimages.com/oembed/' ) ) { |
| 60 | return $provider; |
| 61 | } |
| 62 | |
| 63 | // Set the caller argument to pass to Getty's oembed provider. |
| 64 | if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) { |
| 65 | |
| 66 | // Only include caller for non-private sites. |
| 67 | if ( ! function_exists( 'is_private_blog' ) || ! is_private_blog() ) { |
| 68 | $host = wp_parse_url( get_bloginfo( 'url' ), PHP_URL_HOST ); |
| 69 | } |
| 70 | |
| 71 | // Fall back to WordPress.com. |
| 72 | if ( empty( $host ) ) { |
| 73 | $host = 'wordpress.com'; |
| 74 | } |
| 75 | } else { |
| 76 | $host = wp_parse_url( get_home_url(), PHP_URL_HOST ); |
| 77 | } |
| 78 | |
| 79 | return add_query_arg( 'caller', $host, $provider ); |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * Compose shortcode based on Getty iframes. |
| 84 | * |
| 85 | * @since 4.5.0 |
| 86 | * |
| 87 | * @param string $content Post content. |
| 88 | * |
| 89 | * @return mixed |
| 90 | */ |
| 91 | function wpcom_shortcodereverse_getty( $content ) { |
| 92 | if ( ! is_string( $content ) || false === stripos( $content, '.gettyimages.com/' ) ) { |
| 93 | return $content; |
| 94 | } |
| 95 | |
| 96 | $regexp = '!<iframe\s+src=[\'"](https?:)?//embed\.gettyimages\.com/embed(/|/?\?assets=)([a-z0-9_-]+(,[a-z0-9_-]+)*)[^\'"]*?[\'"]((?:\s+\w+=[\'"][^\'"]*[\'"])*)((?:[\s\w]*))></iframe>!i'; |
| 97 | $regexp_ent = str_replace( '&#0*58;', '&#0*58;|�*58;', htmlspecialchars( $regexp, ENT_NOQUOTES ) ); |
| 98 | |
| 99 | // Markup pattern for 2017 embed syntax with significant differences from the prior pattern. |
| 100 | $regexp_2017 = '!<a.+?class=\'gie-(single|slideshow)\'.+?gie\.widgets\.load\({([^}]+)}\).+?embed-cdn\.gettyimages\.com/widgets\.js.+?</script>!'; |
| 101 | $regexp_2017_ent = str_replace( '&#0*58;', '&#0*58;|�*58;', htmlspecialchars( $regexp_2017, ENT_NOQUOTES ) ); |
| 102 | |
| 103 | foreach ( compact( 'regexp_2017', 'regexp_2017_ent', 'regexp', 'regexp_ent' ) as $reg => $regexp ) { |
| 104 | if ( ! preg_match_all( $regexp, $content, $matches, PREG_SET_ORDER ) ) { |
| 105 | continue; |
| 106 | } |
| 107 | |
| 108 | foreach ( $matches as $match ) { |
| 109 | if ( 'regexp_2017' === $reg || 'regexp_2017_ent' === $reg ) { |
| 110 | // Extract individual keys from the matched JavaScript object. |
| 111 | $params = $match[2]; |
| 112 | if ( ! preg_match_all( '!(?P<key>\w+)\s*:\s*([\'"](?P<value>[^\'"]*?)(px)?[\'"])!', $params, $key_matches, PREG_SET_ORDER ) ) { |
| 113 | continue; |
| 114 | } |
| 115 | |
| 116 | foreach ( $key_matches as $key_match ) { |
| 117 | switch ( $key_match['key'] ) { |
| 118 | case 'items': |
| 119 | $ids = $key_match['value']; |
| 120 | break; |
| 121 | case 'w': |
| 122 | $width = (int) $key_match['value']; |
| 123 | break; |
| 124 | case 'h': |
| 125 | $height = (int) $key_match['value']; |
| 126 | break; |
| 127 | case 'tld': |
| 128 | $tld = $key_match['value']; |
| 129 | break; |
| 130 | } |
| 131 | } |
| 132 | } else { |
| 133 | $params = $match[5]; |
| 134 | if ( 'regexp_ent' === $reg ) { |
| 135 | $params = html_entity_decode( $params ); |
| 136 | } |
| 137 | $params = wp_kses_hair( $params, array( 'http' ) ); |
| 138 | |
| 139 | $ids = esc_html( $match[3] ); |
| 140 | $width = isset( $params['width'] ) ? (int) $params['width']['value'] : 0; |
| 141 | $height = isset( $params['height'] ) ? (int) $params['height']['value'] : 0; |
| 142 | } |
| 143 | |
| 144 | if ( empty( $ids ) ) { |
| 145 | continue; |
| 146 | } |
| 147 | |
| 148 | $shortcode = '[getty src="' . esc_attr( $ids ) . '"'; |
| 149 | if ( ! empty( $width ) ) { |
| 150 | $shortcode .= ' width="' . esc_attr( $width ) . '"'; |
| 151 | } |
| 152 | if ( ! empty( $height ) ) { |
| 153 | $shortcode .= ' height="' . esc_attr( $height ) . '"'; |
| 154 | } |
| 155 | /* |
| 156 | * While it does not appear to have any practical impact, Getty has |
| 157 | * requested that we include TLD in the embed request |
| 158 | */ |
| 159 | if ( ! empty( $tld ) ) { |
| 160 | $shortcode .= ' tld="' . esc_attr( $tld ) . '"'; |
| 161 | } |
| 162 | $shortcode .= ']'; |
| 163 | |
| 164 | $content = str_replace( $match[0], $shortcode, $content ); |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | // strip out enclosing div and any other markup. |
| 169 | $regexp = '%<div class="getty\s[^>]*+>.*?<div[^>]*+>(\[getty[^\]]*+\])\s*</div>.*?</div>%is'; |
| 170 | $regexp_ent = str_replace( array( '&#0*58;', '[^>]' ), array( '&#0*58;|�*58;', '[^&]' ), htmlspecialchars( $regexp, ENT_NOQUOTES ) ); |
| 171 | |
| 172 | foreach ( compact( 'regexp', 'regexp_ent' ) as $reg => $regexp ) { |
| 173 | if ( ! preg_match_all( $regexp, $content, $matches, PREG_SET_ORDER ) ) { |
| 174 | continue; |
| 175 | } |
| 176 | |
| 177 | foreach ( $matches as $match ) { |
| 178 | $content = str_replace( $match[0], $match[1], $content ); |
| 179 | } |
| 180 | } |
| 181 | |
| 182 | /** This action is documented in modules/widgets/social-media-icons.php */ |
| 183 | do_action( 'jetpack_bump_stats_extras', 'html_to_shortcode', 'getty' ); |
| 184 | |
| 185 | return $content; |
| 186 | } |
| 187 | |
| 188 | /** |
| 189 | * Parse shortcode arguments and render its output. |
| 190 | * |
| 191 | * @since 4.5.0 |
| 192 | * |
| 193 | * @param array $atts Shortcode parameters. |
| 194 | * @param string $content Content enclosed by shortcode tags. |
| 195 | * |
| 196 | * @return string |
| 197 | */ |
| 198 | function jetpack_getty_shortcode( $atts, $content = '' ) { |
| 199 | |
| 200 | if ( ! empty( $content ) ) { |
| 201 | $src = $content; |
| 202 | } elseif ( ! empty( $atts['src'] ) ) { |
| 203 | $src = $atts['src']; |
| 204 | } elseif ( ! empty( $atts[0] ) ) { |
| 205 | $src = $atts[0]; |
| 206 | } else { |
| 207 | return '<!-- Missing Getty Source ID -->'; |
| 208 | } |
| 209 | |
| 210 | $src = preg_replace( '/^([\da-z-]+(,[\da-z-]+)*).*$/', '$1', $src ); |
| 211 | |
| 212 | $params = array( |
| 213 | 'width' => isset( $atts['width'] ) ? (int) $atts['width'] : null, |
| 214 | 'height' => isset( $atts['height'] ) ? (int) $atts['height'] : null, |
| 215 | ); |
| 216 | |
| 217 | if ( ! empty( $atts['tld'] ) ) { |
| 218 | $params['tld'] = $atts['tld']; |
| 219 | } |
| 220 | |
| 221 | return wp_oembed_get( 'https://gty.im/' . $src, array_filter( $params ) ); |
| 222 | } |
| 223 |