mixcloud.php
| 1 | <?php |
| 2 | /** |
| 3 | * Mixcloud embeds |
| 4 | * |
| 5 | * Examples: |
| 6 | * [mixcloud MalibuRum/play-6-kissy-sellouts-winter-sun-house-party-mix/ /] |
| 7 | * [mixcloud MalibuRum/play-6-kissy-sellouts-winter-sun-house-party-mix/ width=640 height=480 /] |
| 8 | * [mixcloud http://www.mixcloud.com/MalibuRum/play-6-kissy-sellouts-winter-sun-house-party-mix/ /] |
| 9 | * [mixcloud http://www.mixcloud.com/MalibuRum/play-6-kissy-sellouts-winter-sun-house-party-mix/ width=640 height=480 /] |
| 10 | * [mixcloud]http://www.mixcloud.com/MalibuRum/play-6-kissy-sellouts-winter-sun-house-party-mix/[/mixcloud] |
| 11 | * [mixcloud]MalibuRum/play-6-kissy-sellouts-winter-sun-house-party-mix/[/mixcloud] |
| 12 | * [mixcloud http://www.mixcloud.com/mat/playlists/classics/ width=660 height=208 hide_cover=1 hide_tracklist=1] |
| 13 | * |
| 14 | * @package automattic/jetpack |
| 15 | */ |
| 16 | |
| 17 | if ( ! defined( 'ABSPATH' ) ) { |
| 18 | exit( 0 ); |
| 19 | } |
| 20 | |
| 21 | /* |
| 22 | * Register oEmbed provider |
| 23 | * Example URL: http://app.mixcloud.com/oembed/?url=http://www.mixcloud.com/MalibuRum/play-6-kissy-sellouts-winter-sun-house-party-mix/ |
| 24 | */ |
| 25 | wp_oembed_add_provider( '#https?://(?:www\.)?mixcloud\.com/\S*#i', 'https://app.mixcloud.com/oembed/', true ); |
| 26 | |
| 27 | /** |
| 28 | * Register mixcloud shortcode. |
| 29 | * |
| 30 | * @param array $atts Shortcode atttributes. |
| 31 | * @param string $content Post content. |
| 32 | */ |
| 33 | function mixcloud_shortcode( $atts, $content = null ) { |
| 34 | |
| 35 | if ( empty( $atts[0] ) && empty( $content ) ) { |
| 36 | return '<!-- mixcloud error: invalid mixcloud resource -->'; |
| 37 | } |
| 38 | |
| 39 | $regular_expression = '/((?<=mixcloud\.com\/)[\w\-\/]+$)|(^[\w\-\/]+$)/i'; |
| 40 | preg_match( $regular_expression, $content, $match ); |
| 41 | if ( ! empty( $match ) ) { |
| 42 | $resource_id = trim( $match[0] ); |
| 43 | } else { |
| 44 | preg_match( $regular_expression, $atts[0], $match ); |
| 45 | if ( ! empty( $match ) ) { |
| 46 | $resource_id = trim( $match[0] ); |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | if ( empty( $resource_id ) ) { |
| 51 | return '<!-- mixcloud error: invalid mixcloud resource -->'; |
| 52 | } |
| 53 | |
| 54 | $mixcloud_url = 'https://mixcloud.com/' . $resource_id; |
| 55 | |
| 56 | $atts = shortcode_atts( |
| 57 | array( |
| 58 | 'width' => false, |
| 59 | 'height' => false, |
| 60 | 'color' => false, |
| 61 | 'light' => false, |
| 62 | 'dark' => false, |
| 63 | 'hide_tracklist' => false, |
| 64 | 'hide_cover' => false, |
| 65 | 'mini' => false, |
| 66 | 'hide_followers' => false, |
| 67 | 'hide_artwork' => false, |
| 68 | ), |
| 69 | $atts |
| 70 | ); |
| 71 | |
| 72 | // remove falsey values. |
| 73 | $atts = array_filter( $atts ); |
| 74 | |
| 75 | $query_args = array( 'url' => $mixcloud_url ); |
| 76 | $query_args = array_merge( $query_args, $atts ); |
| 77 | |
| 78 | $url = add_query_arg( urlencode_deep( $query_args ), 'https://app.mixcloud.com/oembed/' ); |
| 79 | $mixcloud_response = wp_remote_get( $url, array( 'redirection' => 0 ) ); |
| 80 | if ( is_wp_error( $mixcloud_response ) || 200 !== $mixcloud_response['response']['code'] || empty( $mixcloud_response['body'] ) ) { |
| 81 | return '<!-- mixcloud error: invalid mixcloud resource -->'; |
| 82 | } |
| 83 | |
| 84 | $response_body = json_decode( $mixcloud_response['body'] ); |
| 85 | |
| 86 | $html = $response_body->html; |
| 87 | |
| 88 | preg_match( '/sandbox="([^"]*)"/', $html, $matches ); |
| 89 | |
| 90 | if ( empty( $matches ) ) { // Mixcloud doesn't use sandbox attribute. |
| 91 | $html = preg_replace( '/>/', ' sandbox="allow-popups allow-scripts allow-same-origin allow-presentation">', $html, 1 ); |
| 92 | } else { // Mixcloud uses sandbox attribute. |
| 93 | |
| 94 | $allowed_values = array(); |
| 95 | // Here we make sure that these string are not repeated in the sandbox attribute. |
| 96 | $attrs = array( 'allow-popups', 'allow-scripts', 'allow-same-origin', 'allow-presentation' ); |
| 97 | foreach ( $attrs as $attr ) { |
| 98 | if ( ! str_contains( $matches[1], $attr ) ) { |
| 99 | $allowed_values[] = $attr; |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | $sandbox_value = $matches[1] . ' ' . implode( ' ', $allowed_values ); |
| 104 | |
| 105 | $html = preg_replace( '/sandbox="([^"]*)"/', "sandbox=\"$sandbox_value\"", $html ); |
| 106 | } |
| 107 | |
| 108 | return $html; |
| 109 | } |
| 110 | add_shortcode( 'mixcloud', 'mixcloud_shortcode' ); |
| 111 |