wordpress-activitypub/includes/class-activity.php

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<?php
namespace Activitypub;
/**
* ActivityPub Post Class
*
* @author Matthias Pfefferle
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*
* @see https://www.w3.org/TR/activitypub/
*/
class Activity {
private $context = array( 'https://www.w3.org/ns/activitystreams' );
private $published = '';
private $id = '';
private $type = 'Create';
private $actor = '';
private $to = array( 'https://www.w3.org/ns/activitystreams#Public' );
private $cc = array( 'https://www.w3.org/ns/activitystreams#Public' );
private $object = null;
const TYPE_SIMPLE = 'simple';
const TYPE_FULL = 'full';
const TYPE_NONE = 'none';
public function __construct( $type = 'Create', $context = self::TYPE_SIMPLE ) {
if ( 'none' === $context ) {
$this->context = null;
} elseif ( 'full' === $context ) {
$this->context = \Activitypub\get_context();
}
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$this->type = \ucfirst( $type );
$this->published = \date( 'Y-m-d\TH:i:s\Z', strtotime( 'now' ) );
}
public function __call( $method, $params ) {
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$var = \strtolower( \substr( $method, 4 ) );
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if ( \strncasecmp( $method, 'get', 3 ) === 0 ) {
return $this->$var;
}
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if ( \strncasecmp( $method, 'set', 3 ) === 0 ) {
$this->$var = $params[0];
}
}
public function from_post( $object ) {
$this->object = $object;
$this->published = $object['published'];
$this->actor = $object['attributedTo'];
$this->id = $object['id'];
}
public function from_comment( $object ) {
}
public function to_array() {
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$array = \get_object_vars( $this );
if ( $this->context ) {
$array = array( '@context' => $this->context ) + $array;
}
unset( $array['context'] );
return $array;
}
public function to_json() {
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return \wp_json_encode( $this->to_array(), JSON_HEX_TAG | JSON_HEX_AMP | JSON_HEX_QUOT );
}
public function to_simple_array() {
$activity = array(
'@context' => $this->context,
'type' => $this->type,
'actor' => $this->actor,
'object' => $this->object,
'to' => $this->to,
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'cc' => $this->cc,
);
if ( $this->id ) {
$activity['id'] = $this->id;
}
return $activity;
}
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 );
}
}