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<?php |
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/** |
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* Mixcloud embeds |
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* |
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* Examples: |
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* [mixcloud MalibuRum/play-6-kissy-sellouts-winter-sun-house-party-mix/ /] |
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* [mixcloud MalibuRum/play-6-kissy-sellouts-winter-sun-house-party-mix/ width=640 height=480 /] |
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* [mixcloud http://www.mixcloud.com/MalibuRum/play-6-kissy-sellouts-winter-sun-house-party-mix/ /] |
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* [mixcloud http://www.mixcloud.com/MalibuRum/play-6-kissy-sellouts-winter-sun-house-party-mix/ width=640 height=480 /] |
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* [mixcloud]http://www.mixcloud.com/MalibuRum/play-6-kissy-sellouts-winter-sun-house-party-mix/[/mixcloud] |
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* [mixcloud]MalibuRum/play-6-kissy-sellouts-winter-sun-house-party-mix/[/mixcloud] |
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* [mixcloud http://www.mixcloud.com/mat/playlists/classics/ width=660 height=208 hide_cover=1 hide_tracklist=1] |
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* |
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* @package automattic/jetpack |
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*/ |
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|
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/* |
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* Register oEmbed provider |
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* Example URL: http://app.mixcloud.com/oembed/?url=http://www.mixcloud.com/MalibuRum/play-6-kissy-sellouts-winter-sun-house-party-mix/ |
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*/ |
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wp_oembed_add_provider( '#https?://(?:www\.)?mixcloud\.com/\S*#i', 'https://app.mixcloud.com/oembed/', true ); |
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|
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/** |
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* Register mixcloud shortcode. |
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* |
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* @param array $atts Shortcode atttributes. |
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* @param string $content Post content. |
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*/ |
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function mixcloud_shortcode( $atts, $content = null ) { |
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|
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if ( empty( $atts[0] ) && empty( $content ) ) { |
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return '<!-- mixcloud error: invalid mixcloud resource -->'; |
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} |
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|
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$regular_expression = '/((?<=mixcloud\.com\/)[\w\-\/]+$)|(^[\w\-\/]+$)/i'; |
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preg_match( $regular_expression, $content, $match ); |
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if ( ! empty( $match ) ) { |
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$resource_id = trim( $match[0] ); |
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} else { |
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preg_match( $regular_expression, $atts[0], $match ); |
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if ( ! empty( $match ) ) { |
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$resource_id = trim( $match[0] ); |
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} |
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} |
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|
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if ( empty( $resource_id ) ) { |
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return '<!-- mixcloud error: invalid mixcloud resource -->'; |
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} |
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|
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$mixcloud_url = 'https://mixcloud.com/' . $resource_id; |
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|
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$atts = shortcode_atts( |
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array( |
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'width' => false, |
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'height' => false, |
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'color' => false, |
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'light' => false, |
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'dark' => false, |
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'hide_tracklist' => false, |
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'hide_cover' => false, |
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'mini' => false, |
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'hide_followers' => false, |
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'hide_artwork' => false, |
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), |
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$atts |
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); |
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|
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// remove falsey values. |
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$atts = array_filter( $atts ); |
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|
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$query_args = array( 'url' => $mixcloud_url ); |
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$query_args = array_merge( $query_args, $atts ); |
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|
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$url = add_query_arg( urlencode_deep( $query_args ), 'https://app.mixcloud.com/oembed/' ); |
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$mixcloud_response = wp_remote_get( $url, array( 'redirection' => 0 ) ); |
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if ( is_wp_error( $mixcloud_response ) || 200 !== $mixcloud_response['response']['code'] || empty( $mixcloud_response['body'] ) ) { |
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return '<!-- mixcloud error: invalid mixcloud resource -->'; |
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} |
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|
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$response_body = json_decode( $mixcloud_response['body'] ); |
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|
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$html = $response_body->html; |
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|
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preg_match( '/sandbox="([^"]*)"/', $html, $matches ); |
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|
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if ( empty( $matches ) ) { // Mixcloud doesn't use sandbox attribute. |
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$html = preg_replace( '/>/', ' sandbox="allow-popups allow-scripts allow-same-origin allow-presentation">', $html, 1 ); |
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} else { // Mixcloud uses sandbox attribute. |
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|
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$allowed_values = array(); |
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// Here we make sure that these string are not repeated in the sandbox attribute. |
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$attrs = array( 'allow-popups', 'allow-scripts', 'allow-same-origin', 'allow-presentation' ); |
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foreach ( $attrs as $attr ) { |
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if ( ! str_contains( $matches[1], $attr ) ) { |
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$allowed_values[] = $attr; |
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} |
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} |
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|
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$sandbox_value = $matches[1] . ' ' . implode( ' ', $allowed_values ); |
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|
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$html = preg_replace( '/sandbox="([^"]*)"/', "sandbox=\"$sandbox_value\"", $html ); |
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} |
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|
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return $html; |
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} |
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add_shortcode( 'mixcloud', 'mixcloud_shortcode' ); |
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|
