127 lines
2.8 KiB
PHP
127 lines
2.8 KiB
PHP
<?php
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namespace Activitypub\Model;
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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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* @see https://www.w3.org/TR/activitypub/
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*/
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class Activity {
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private $context = array( 'https://www.w3.org/ns/activitystreams' );
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private $published = '';
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private $id = '';
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private $type = 'Create';
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private $actor = '';
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private $to = array( 'https://www.w3.org/ns/activitystreams#Public' );
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private $cc = array( 'https://www.w3.org/ns/activitystreams#Public' );
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private $object = null;
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const TYPE_SIMPLE = 'simple';
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const TYPE_FULL = 'full';
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const TYPE_NONE = 'none';
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public function __construct( $type = 'Create', $context = self::TYPE_SIMPLE ) {
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if ( 'none' === $context ) {
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$this->context = null;
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} elseif ( 'full' === $context ) {
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$this->context = \Activitypub\get_context();
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}
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$this->type = \ucfirst( $type );
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$this->published = \gmdate( 'Y-m-d\TH:i:s\Z', \strtotime( 'now' ) );
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}
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public function __call( $method, $params ) {
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$var = \strtolower( \substr( $method, 4 ) );
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if ( \strncasecmp( $method, 'get', 3 ) === 0 ) {
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return $this->$var;
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}
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if ( \strncasecmp( $method, 'set', 3 ) === 0 ) {
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$this->$var = $params[0];
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}
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}
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public function from_post( Post $post ) {
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$this->object = $post->to_array();
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if ( isset( $object['published'] ) ) {
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$this->published = $object['published'];
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}
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$this->cc = array( \get_rest_url( null, '/activitypub/1.0/users/' . intval( $post->get_post_author() ) . '/followers' ) );
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if ( isset( $this->object['attributedTo'] ) ) {
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$this->actor = $this->object['attributedTo'];
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}
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foreach ( $post->get_tags() as $tag ) {
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if ( 'Mention' === $tag['type'] ) {
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$this->cc[] = $tag['href'];
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}
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}
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$type = \strtolower( $this->type );
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if ( isset( $this->object['id'] ) ) {
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$this->id = add_query_arg( 'activity', $type, $this->object['id'] );
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}
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}
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public function from_comment( $object ) {
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}
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public function to_comment() {
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}
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public function from_remote_array( $array ) {
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}
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public function to_array() {
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$array = array_filter( \get_object_vars( $this ) );
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if ( $this->context ) {
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$array = array( '@context' => $this->context ) + $array;
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}
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unset( $array['context'] );
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return $array;
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}
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/**
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* Convert to JSON
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*
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* @return void
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*/
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public function to_json() {
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return \wp_json_encode( $this->to_array(), \JSON_HEX_TAG | \JSON_HEX_AMP | \JSON_HEX_QUOT );
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}
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public function to_simple_array() {
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$activity = array(
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'@context' => $this->context,
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'type' => $this->type,
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'actor' => $this->actor,
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'object' => $this->object,
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'to' => $this->to,
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'cc' => $this->cc,
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);
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if ( $this->id ) {
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$activity['id'] = $this->id;
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}
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return $activity;
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}
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public function to_simple_json() {
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return \wp_json_encode( $this->to_simple_array(), \JSON_HEX_TAG | \JSON_HEX_AMP | \JSON_HEX_QUOT );
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}
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}
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