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<?php |
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namespace Activitypub; |
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|
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use function Activitypub\enrich_content_data; |
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|
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/** |
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* ActivityPub Summery Links Class |
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*/ |
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class Link { |
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|
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/** |
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* Initialize the class, registering WordPress hooks |
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*/ |
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public static function init() { |
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\add_filter( 'activitypub_extra_field_content', array( self::class, 'the_content' ), 10, 1 ); |
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\add_filter( 'activitypub_activity_object_array', array( self::class, 'filter_activity_object' ), 99 ); |
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} |
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|
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/** |
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* Filter only the activity object and replace summery it with URLs |
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* |
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* @param $object_array array of activity |
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* |
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* @return array the activity object array |
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*/ |
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public static function filter_activity_object( $object_array ) { |
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/* Removed until this is merged: https://github.com/mastodon/mastodon/pull/28629 |
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if ( ! empty( $object_array['summary'] ) ) { |
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$object_array['summary'] = self::the_content( $object_array['summary'] ); |
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} |
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*/ |
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|
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if ( ! empty( $object_array['content'] ) ) { |
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$object_array['content'] = self::the_content( $object_array['content'] ); |
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} |
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|
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return $object_array; |
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} |
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|
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/** |
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* Filter to replace the URLS in the content with links |
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* |
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* @param string $the_content the post-content |
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* |
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* @return string the filtered post-content |
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*/ |
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public static function the_content( $the_content ) { |
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return enrich_content_data( $the_content, '/' . ACTIVITYPUB_URL_REGEXP . '/i', array( self::class, 'replace_with_links' ) ); |
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} |
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|
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/** |
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* A callback for preg_replace to build the links |
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* |
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* Link shortening https://docs.joinmastodon.org/api/guidelines/#links |
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* |
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* @param array $result the preg_match results |
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* @return string the final string |
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*/ |
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public static function replace_with_links( $result ) { |
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if ( 'www.' === substr( $result[0], 0, 4 ) ) { |
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$result[0] = 'https://' . $result[0]; |
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} |
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$parsed_url = \wp_parse_url( html_entity_decode( $result[0] ) ); |
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if ( ! $parsed_url ) { |
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return $result[0]; |
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} |
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|
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if ( empty( $parsed_url['scheme'] ) ) { |
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$invisible_prefix = 'https://'; |
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} else { |
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$invisible_prefix = $parsed_url['scheme'] . '://'; |
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} |
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if ( ! empty( $parsed_url['user'] ) ) { |
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$invisible_prefix .= $parsed_url['user']; |
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} |
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if ( ! empty( $parsed_url['pass'] ) ) { |
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$invisible_prefix .= ':' . $parsed_url['pass']; |
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} |
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if ( ! empty( $parsed_url['user'] ) ) { |
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$invisible_prefix .= '@'; |
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} |
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|
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$text_url = $parsed_url['host']; |
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if ( 'www.' === substr( $text_url, 0, 4 ) ) { |
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$text_url = substr( $text_url, 4 ); |
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$invisible_prefix .= 'www.'; |
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} |
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if ( ! empty( $parsed_url['port'] ) ) { |
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$text_url .= ':' . $parsed_url['port']; |
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} |
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if ( ! empty( $parsed_url['path'] ) ) { |
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$text_url .= $parsed_url['path']; |
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} |
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if ( ! empty( $parsed_url['query'] ) ) { |
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$text_url .= '?' . $parsed_url['query']; |
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} |
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if ( ! empty( $parsed_url['fragment'] ) ) { |
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$text_url .= '#' . $parsed_url['fragment']; |
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} |
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|
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$display = \substr( $text_url, 0, 30 ); |
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$invisible_suffix = \substr( $text_url, 30 ); |
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|
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$display_class = ''; |
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if ( $invisible_suffix ) { |
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$display_class .= 'ellipsis'; |
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} |
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|
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$rel = apply_filters( 'activitypub_link_rel', 'nofollow noopener noreferrer' ); |
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|
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return \sprintf( |
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'<a href="%s" target="_blank" rel="%s" translate="no"><span class="invisible">%s</span><span class="%s">%s</span><span class="invisible">%s</span></a>', |
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esc_url( $result[0] ), |
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$rel, |
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esc_html( $invisible_prefix ), |
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$display_class, |
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esc_html( $display ), |
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esc_html( $invisible_suffix ) |
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); |
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} |
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} |
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|
