115 lines
2.7 KiB
PHP
115 lines
2.7 KiB
PHP
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<?php
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/**
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* ActivityPub Post Class
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*
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* @author Matthias Pfefferle
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*/
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class Activitypub_Post {
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private $post;
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public function __construct( $post = null ) {
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if ( ! $post ) {
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$post = get_post();
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}
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$this->post = $post;
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}
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public function to_json_array( $with_context = false ) {
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$post = $this->post;
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$json = new stdClass();
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if ( $with_context ) {
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$json->{'@context'} = get_activitypub_context();
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}
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$json->published = date( 'Y-m-d\TH:i:s\Z', strtotime( $post->post_date ) );
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$json->id = $post->guid . '&activitypub';
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$json->type = 'Create';
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$json->actor = get_author_posts_url( $post->post_author );
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$json->to = array( 'https://www.w3.org/ns/activitystreams#Public' );
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$json->cc = array( 'https://www.w3.org/ns/activitystreams#Public' );
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$json->object = array(
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'id' => $post->guid,
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'type' => $this->get_object_type(),
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'published' => date( 'Y-m-d\TH:i:s\Z', strtotime( $post->post_date ) ),
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'to' => array( 'https://www.w3.org/ns/activitystreams#Public' ),
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'cc' => array( 'https://www.w3.org/ns/activitystreams#Public' ),
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'attributedTo' => get_author_posts_url( $post->post_author ),
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'summary' => null,
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'inReplyTo' => null,
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'content' => esc_html( $post->post_content ),
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'contentMap' => array(
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strstr( get_locale(), '_', true ) => esc_html( $post->post_content ) ,
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),
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'attachment' => array(),
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'tag' => array(),
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);
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return apply_filters( 'activitypub_json_post', $json );
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}
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/**
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* Returns the as2 object-type for a given post
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*
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* @param string $type the object-type
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* @param Object $post the post-object
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*
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* @return string the object-type
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*/
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public function get_object_type() {
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$post_type = get_post_type( $this->post );
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switch ( $post_type ) {
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case 'post':
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$post_format = get_post_format( $this->post );
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switch ( $post_format ) {
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case 'aside':
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case 'status':
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case 'quote':
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case 'note':
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$object_type = 'Note';
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break;
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case 'gallery':
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case 'image':
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$object_type = 'Image';
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break;
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case 'video':
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$object_type = 'Video';
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break;
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case 'audio':
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$object_type = 'Audio';
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break;
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default:
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$object_type = 'Article';
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break;
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}
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break;
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case 'page':
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$object_type = 'Page';
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break;
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case 'attachment':
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$mime_type = get_post_mime_type();
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$media_type = preg_replace( '/(\/[a-zA-Z]+)/i', '', $mime_type );
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switch ( $media_type ) {
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case 'audio':
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$object_type = 'Audio';
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break;
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case 'video':
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$object_type = 'Video';
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break;
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case 'image':
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$object_type = 'Image';
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break;
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}
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break;
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default:
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$object_type = 'Article';
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break;
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}
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return $object_type;
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}
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}
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