modified file wp-piwik

This commit is contained in:
2026-06-03 21:29:22 +00:00
committed by Gitium
parent 57bccfdbd1
commit 769efed689
2556 changed files with 368982 additions and 126264 deletions

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<?php
/**
* Activity Object Transformer Class.
*
* @package Activitypub
*/
namespace Activitypub\Transformer;
/**
* Activity Object Transformer Class.
*/
class Activity_Object extends Base {
/**
* The Activity Object.
*
* @var \Activitypub\Activity\Activity
*/
protected $item;
/**
* Transform the WordPress Object into an ActivityPub Object.
*
* @return \Activitypub\Activity\Base_Object|\WP_Error
*/
public function to_object() {
$activity_object = $this->transform_object_properties( $this->item );
if ( \is_wp_error( $activity_object ) ) {
return $activity_object;
}
$activity_object = $this->set_audience( $activity_object );
return $activity_object;
}
/**
* Get the ID of the object.
*
* @return string The ID of the object.
*/
public function get_id() {
return $this->item->get_id();
}
/**
* Get the attributed to.
*
* @return string The attributed to.
*/
public function get_attributed_to() {
return $this->item->get_attributed_to();
}
/**
* Helper function to get the @-Mentions from the post content.
*
* @return array The list of @-Mentions.
*/
protected function get_mentions() {
/**
* Filter the mentions in the post content.
*
* @param array $mentions The mentions.
* @param string $content The post content.
* @param \Activitypub\Activity\Activity $item The Activity object.
*
* @return array The filtered mentions.
*/
return apply_filters(
'activitypub_extract_mentions',
array(),
$this->item->get_content() . ' ' . $this->item->get_summary(),
$this->item
);
}
/**
* Returns the content map for the post.
*
* @return array The content map for the post.
*/
protected function get_content_map() {
$content = $this->item->get_content();
if ( ! $content ) {
return null;
}
return array(
$this->get_locale() => $content,
);
}
/**
* Returns the name map for the post.
*
* @return array The name map for the post.
*/
protected function get_name_map() {
$name = $this->item->get_name();
if ( ! $name ) {
return null;
}
return array(
$this->get_locale() => $name,
);
}
/**
* Returns the summary map for the post.
*
* @return array The summary map for the post.
*/
protected function get_summary_map() {
$summary = $this->item->get_summary();
if ( ! $summary ) {
return null;
}
return array(
$this->get_locale() => $summary,
);
}
/**
* Returns a list of Tags, used in the Comment.
*
* This includes Hash-Tags and Mentions.
*
* @return array The list of Tags.
*/
protected function get_tag() {
$tags = $this->item->get_tag();
if ( ! $tags ) {
$tags = array();
}
$mentions = $this->get_mentions();
if ( $mentions ) {
foreach ( $mentions as $mention => $url ) {
$tag = array(
'type' => 'Mention',
'href' => \esc_url( $url ),
'name' => \esc_html( $mention ),
);
$tags[] = $tag;
}
}
return \array_unique( $tags, SORT_REGULAR );
}
}

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<?php
/**
* Attachment Transformer Class file.
*
* @package Activitypub
*/
namespace Activitypub\Transformer;
/**
* WordPress Attachment Transformer.
*
* The Attachment Transformer is responsible for transforming a WP_Post object into different other
* Object-Types.
*
* Currently supported are:
*
* - Activitypub\Activity\Base_Object
*/
class Attachment extends Post {
/**
* Generates all Media Attachments for a Post.
*
* @return array The Attachments.
*/
protected function get_attachment() {
$mime_type = \get_post_mime_type( $this->item->ID );
$mime_type_parts = \explode( '/', $mime_type );
$type = '';
switch ( $mime_type_parts[0] ) {
case 'audio':
case 'video':
$type = 'Document';
break;
case 'image':
$type = 'Image';
break;
}
$attachment = array(
'type' => $type,
'url' => wp_get_attachment_url( $this->item->ID ),
'mediaType' => $mime_type,
);
$alt = \get_post_meta( $this->item->ID, '_wp_attachment_image_alt', true );
if ( $alt ) {
$attachment['name'] = $alt;
}
return $attachment;
}
/**
* Returns the ActivityStreams 2.0 Object-Type for a Post based on the
* settings and the Post-Type.
*
* @see https://www.w3.org/TR/activitystreams-vocabulary/#activity-types
*
* @return string The Object-Type.
*/
protected function get_type() {
return 'Note';
}
}

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<?php
/**
* Base Transformer Class file.
*
* @package Activitypub
*/
namespace Activitypub\Transformer;
use WP_Comment;
use WP_Post;
use WP_Term;
use Activitypub\Activity\Activity;
use Activitypub\Collection\Actors;
use Activitypub\Activity\Base_Object;
/**
* WordPress Base Transformer.
*
* Transformers are responsible for transforming a WordPress objects into different ActivityPub
* Object-Types or Activities.
*/
abstract class Base {
/**
* The WP_Post or WP_Comment object.
*
* This is the source object of the transformer.
*
* @var WP_Post|WP_Comment|Base_Object|string|array|WP_Term
*/
protected $item;
/**
* The WP_Post or WP_Comment object.
*
* @deprecated version 5.0.0
*
* @var WP_Post|WP_Comment
*/
protected $wp_object;
/**
* The content visibility.
*
* @var string
*/
protected $content_visibility;
/**
* Static function to Transform a WordPress Object.
*
* This helps to chain the output of the Transformer.
*
* @param WP_Post|WP_Comment|Base_Object|string|array|WP_term $item The item that should be transformed.
*
* @return Base
*/
public static function transform( $item ) {
return new static( $item );
}
/**
* Base constructor.
*
* @param WP_Post|WP_Comment|Base_Object|string|array|WP_Term $item The item that should be transformed.
*/
public function __construct( $item ) {
$this->item = $item;
$this->wp_object = $item;
}
/**
* Transform all properties with available get(ter) functions.
*
* @param Base_Object $activity_object The ActivityPub Object.
*
* @return Base_Object|\WP_Error The transformed ActivityPub Object or WP_Error on failure.
*/
protected function transform_object_properties( $activity_object ) {
if ( ! $activity_object || \is_wp_error( $activity_object ) ) {
return $activity_object;
}
$vars = $activity_object->get_object_var_keys();
foreach ( $vars as $var ) {
$getter = 'get_' . $var;
if ( \method_exists( $this, $getter ) ) {
$value = \call_user_func( array( $this, $getter ) );
if ( null !== $value ) {
$setter = 'set_' . $var;
/**
* Filter the value before it is set to the Activity-Object `$activity_object`.
*
* @param mixed $value The value that should be set.
* @param mixed $item The Object.
*/
$value = \apply_filters( "activitypub_transform_{$setter}", $value, $this->item );
/**
* Filter the value before it is set to the Activity-Object `$activity_object`.
*
* @param mixed $value The value that should be set.
* @param string $var The variable name.
* @param mixed $item The Object.
*/
$value = \apply_filters( 'activitypub_transform_set', $value, $var, $this->item );
\call_user_func( array( $activity_object, $setter ), $value );
}
}
}
return $activity_object;
}
/**
* Transform the item into an ActivityPub Object.
*
* @return Base_Object|object The Activity-Object.
*/
public function to_object() {
$activity_object = new Base_Object();
$activity_object = $this->transform_object_properties( $activity_object );
if ( \is_wp_error( $activity_object ) ) {
return $activity_object;
}
$activity_object = $this->set_audience( $activity_object );
return $activity_object;
}
/**
* Get the content visibility.
*
* @return string The content visibility.
*/
public function get_content_visibility() {
if ( ! $this->content_visibility ) {
return ACTIVITYPUB_CONTENT_VISIBILITY_PUBLIC;
}
return $this->content_visibility;
}
/**
* Set the content visibility.
*
* @param string $content_visibility The content visibility.
*/
public function set_content_visibility( $content_visibility ) {
$this->content_visibility = $content_visibility;
return $this;
}
/**
* Set the audience.
*
* @param Base_Object $activity_object The ActivityPub Object.
*
* @return Base_Object The ActivityPub Object.
*/
protected function set_audience( $activity_object ) {
$public = 'https://www.w3.org/ns/activitystreams#Public';
$actor = Actors::get_by_resource( $this->get_attributed_to() );
if ( ! $actor || is_wp_error( $actor ) ) {
$followers = null;
} else {
$followers = $actor->get_followers();
}
$mentions = array_values( $this->get_mentions() );
switch ( $this->get_content_visibility() ) {
case ACTIVITYPUB_CONTENT_VISIBILITY_PUBLIC:
$activity_object->add_to( $public );
$activity_object->add_cc( $followers );
$activity_object->add_cc( $mentions );
break;
case ACTIVITYPUB_CONTENT_VISIBILITY_QUIET_PUBLIC:
$activity_object->add_to( $followers );
$activity_object->add_to( $mentions );
$activity_object->add_cc( $public );
break;
case ACTIVITYPUB_CONTENT_VISIBILITY_PRIVATE:
$activity_object->add_to( $mentions );
}
return $activity_object;
}
/**
* Transform the item to an ActivityPub ID.
*
* @return string The ID of the WordPress Object.
*/
public function to_id() {
/* @var Attachment|Comment|Json|Post|User $this Object transformer. */
return $this->get_id();
}
/**
* Transforms the ActivityPub Object to an Activity
*
* @param string $type The Activity-Type.
*
* @return Activity The Activity.
*/
public function to_activity( $type ) {
$object = $this->to_object();
$activity = new Activity();
$activity->set_type( $type );
// Pre-fill the Activity with data (for example cc and to).
$activity->set_object( $object );
// Use simple Object (only ID-URI) for Like and Announce.
if ( 'Like' === $type ) {
$activity->set_object( $object->get_id() );
}
return $activity;
}
/**
* Returns a generic locale based on the Blog settings.
*
* @return string The locale of the blog.
*/
protected function get_locale() {
$lang = \strtolower( \strtok( \get_locale(), '_-' ) );
if ( $this->item instanceof \WP_Post ) {
/**
* Deprecates the `activitypub_post_locale` filter.
*
* @param string $lang The locale of the post.
* @param mixed $item The post object.
*
* @return string The filtered locale of the post.
*/
$lang = apply_filters_deprecated(
'activitypub_post_locale',
array(
$lang,
$this->item->ID,
$this->item,
),
'5.4.0',
'activitypub_locale',
'Use the `activitypub_locale` filter instead.'
);
}
/**
* Filter the locale of the post.
*
* @param string $lang The locale of the post.
* @param mixed $item The post object.
*
* @return string The filtered locale of the post.
*/
return apply_filters( 'activitypub_locale', $lang, $this->item );
}
/**
* Returns the default media type for an Object.
*
* @return string The media type.
*/
public function get_media_type() {
return 'text/html';
}
/**
* Returns the content map for the post.
*
* @return array|null The content map for the post or null if not set.
*/
protected function get_content_map() {
if ( ! \method_exists( $this, 'get_content' ) || ! $this->get_content() ) {
return null;
}
return array(
$this->get_locale() => $this->get_content(),
);
}
/**
* Returns the name map for the post.
*
* @return array|null The name map for the post or null if not set.
*/
protected function get_name_map() {
if ( ! \method_exists( $this, 'get_name' ) || ! $this->get_name() ) {
return null;
}
return array(
$this->get_locale() => $this->get_name(),
);
}
/**
* Returns the summary map for the post.
*
* @return array|null The summary map for the post or null if not set.
*/
protected function get_summary_map() {
if ( ! \method_exists( $this, 'get_summary' ) || ! $this->get_summary() ) {
return null;
}
return array(
$this->get_locale() => $this->get_summary(),
);
}
/**
* Returns the tags for the post.
*
* @return array The tags for the post.
*/
protected function get_tag() {
$tags = array();
$mentions = $this->get_mentions();
foreach ( $mentions as $mention => $url ) {
$tags[] = array(
'type' => 'Mention',
'href' => \esc_url( $url ),
'name' => \esc_html( $mention ),
);
}
return \array_unique( $tags, SORT_REGULAR );
}
/**
* Get the attributed to.
*
* @return string The attributed to.
*/
protected function get_attributed_to() {
return null;
}
/**
* Extracts mentions from the content.
*
* @return array The mentions.
*/
protected function get_mentions() {
$content = '';
if ( method_exists( $this, 'get_content' ) ) {
$content = $content . ' ' . $this->get_content();
}
if ( method_exists( $this, 'get_summary' ) ) {
$content = $content . ' ' . $this->get_summary();
}
/**
* Filter the mentions in the post content.
*
* @param array $mentions The mentions.
* @param string $content The post content.
* @param WP_Post $post The post object.
*
* @return array The filtered mentions.
*/
return apply_filters(
'activitypub_extract_mentions',
array(),
$content,
$this->item
);
}
}

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<?php
/**
* WordPress Comment Transformer file.
*
* @package Activitypub
*/
namespace Activitypub\Transformer;
use Activitypub\Webfinger;
use Activitypub\Comment as Comment_Utils;
use Activitypub\Model\Blog;
use Activitypub\Collection\Actors;
use Activitypub\Collection\Replies;
use function Activitypub\is_single_user;
use function Activitypub\get_rest_url_by_path;
use function Activitypub\was_comment_received;
use function Activitypub\get_comment_ancestors;
/**
* WordPress Comment Transformer.
*
* The Comment Transformer is responsible for transforming a WP_Comment object into different
* Object-Types.
*
* Currently supported are:
*
* - Activitypub\Activity\Base_Object
*/
class Comment extends Base {
/**
* The User as Actor Object.
*
* @var \Activitypub\Activity\Actor
*/
private $actor_object = null;
/**
* Transforms the WP_Comment object to an ActivityPub Object.
*
* @return \Activitypub\Activity\Base_Object The ActivityPub Object.
*/
public function to_object() {
$comment = $this->item;
$object = parent::to_object();
$object->set_url( $this->get_id() );
$object->set_type( 'Note' );
$published = \strtotime( $comment->comment_date_gmt );
$object->set_published( \gmdate( ACTIVITYPUB_DATE_TIME_RFC3339, $published ) );
$updated = \get_comment_meta( $comment->comment_ID, 'activitypub_comment_modified', true );
if ( $updated > $published ) {
$object->set_updated( \gmdate( ACTIVITYPUB_DATE_TIME_RFC3339, $updated ) );
}
$object->set_content_map(
array(
$this->get_locale() => $this->get_content(),
)
);
return $object;
}
/**
* Get the content visibility.
*
* @return string The content visibility.
*/
public function get_content_visibility() {
if ( $this->content_visibility ) {
return $this->content_visibility;
}
$comment = $this->item;
$post = \get_post( $comment->comment_post_ID );
if ( ! $post ) {
return ACTIVITYPUB_CONTENT_VISIBILITY_PUBLIC;
}
$content_visibility = \get_post_meta( $post->ID, 'activitypub_content_visibility', true );
if ( ! $content_visibility ) {
return ACTIVITYPUB_CONTENT_VISIBILITY_PUBLIC;
}
$this->content_visibility = $content_visibility;
return $this->content_visibility;
}
/**
* Returns the User-URL of the Author of the Post.
*
* If `single_user` mode is enabled, the URL of the Blog-User is returned.
*
* @return string The User-URL.
*/
protected function get_attributed_to() {
// If the comment was received via ActivityPub, return the author URL.
if ( was_comment_received( $this->item ) ) {
return $this->item->comment_author_url;
}
return $this->get_actor_object()->get_id();
}
/**
* Returns the content for the ActivityPub Item.
*
* The content will be generated based on the user settings.
*
* @return string The content.
*/
protected function get_content() {
$comment = $this->item;
$content = $comment->comment_content;
$mentions = '';
foreach ( $this->extract_reply_context() as $acct => $url ) {
$mentions .= sprintf(
'<a rel="mention" class="u-url mention" href="%1$s" title="%2$s">%3$s</a> ',
esc_url( $url ),
esc_attr( $acct ),
esc_html( '@' . strtok( $acct, '@' ) )
);
}
$content = $mentions . $content;
/**
* Filter the content of the comment.
*
* @param string $content The content of the comment.
* @param \WP_Comment $comment The comment object.
* @param array $args The arguments.
*
* @return string The filtered content of the comment.
*/
$content = \apply_filters( 'comment_text', $content, $comment, array() );
$content = \preg_replace( '/[\n\r\t]/', '', $content );
$content = \trim( $content );
/**
* Filter the content of the comment.
*
* @param string $content The content of the comment.
* @param \WP_Comment $comment The comment object.
*
* @return string The filtered content of the comment.
*/
return \apply_filters( 'activitypub_the_content', $content, $comment );
}
/**
* Returns the in-reply-to for the ActivityPub Item.
*
* @return false|string|null The URL of the in-reply-to.
*/
protected function get_in_reply_to() {
$comment = $this->item;
$parent_comment = null;
if ( $comment->comment_parent ) {
$parent_comment = \get_comment( $comment->comment_parent );
}
if ( $parent_comment ) {
$in_reply_to = Comment_Utils::get_source_id( $parent_comment->comment_ID );
if ( ! $in_reply_to && ! empty( $parent_comment->user_id ) ) {
$in_reply_to = Comment_Utils::generate_id( $parent_comment );
}
} else {
$in_reply_to = \get_permalink( $comment->comment_post_ID );
}
return $in_reply_to;
}
/**
* Returns the ID of the ActivityPub Object.
*
* @see https://www.w3.org/TR/activitypub/#obj-id
* @see https://github.com/tootsuite/mastodon/issues/13879
*
* @return string ActivityPub URI for comment
*/
protected function get_id() {
$comment = $this->item;
return Comment_Utils::generate_id( $comment );
}
/**
* Returns the User-Object of the Author of the Post.
*
* If `single_user` mode is enabled, the Blog-User is returned.
*
* @return \Activitypub\Activity\Actor The User-Object.
*/
protected function get_actor_object() {
if ( $this->actor_object ) {
return $this->actor_object;
}
$blog_user = new Blog();
$this->actor_object = $blog_user;
if ( is_single_user() ) {
return $blog_user;
}
$user = Actors::get_by_id( $this->item->user_id );
if ( $user && ! is_wp_error( $user ) ) {
$this->actor_object = $user;
return $user;
}
return $blog_user;
}
/**
* Helper function to get the @-Mentions from the comment content.
*
* @return array The list of @-Mentions.
*/
protected function get_mentions() {
\add_filter( 'activitypub_extract_mentions', array( $this, 'extract_reply_context' ) );
/**
* Filter the mentions in the comment.
*
* @param array $mentions The list of mentions.
* @param string $content The content of the comment.
* @param \WP_Comment $comment The comment object.
*
* @return array The filtered list of mentions.
*/
return apply_filters( 'activitypub_extract_mentions', array(), $this->item->comment_content, $this->item );
}
/**
* Gets the ancestors of the comment, but only the ones that are ActivityPub comments.
*
* @return array The list of ancestors.
*/
protected function get_comment_ancestors() {
$ancestors = get_comment_ancestors( $this->item );
// Now that we have the full tree of ancestors, only return the ones received from the fediverse.
return array_filter(
$ancestors,
function ( $comment_id ) {
return \get_comment_meta( $comment_id, 'protocol', true ) === 'activitypub';
}
);
}
/**
* Collect all other Users that participated in this comment-thread
* to send them a notification about the new reply.
*
* @param array $mentions Optional. The already mentioned ActivityPub users. Default empty array.
*
* @return array The list of all Repliers.
*/
public function extract_reply_context( $mentions = array() ) {
// Check if `$this->item` is a WP_Comment.
if ( 'WP_Comment' !== get_class( $this->item ) ) {
return $mentions;
}
$ancestors = $this->get_comment_ancestors();
if ( ! $ancestors ) {
return $mentions;
}
foreach ( $ancestors as $comment_id ) {
$comment = \get_comment( $comment_id );
if ( $comment && ! empty( $comment->comment_author_url ) ) {
$acct = Webfinger::uri_to_acct( $comment->comment_author_url );
if ( $acct && ! is_wp_error( $acct ) ) {
$acct = str_replace( 'acct:', '@', $acct );
$mentions[ $acct ] = $comment->comment_author_url;
}
}
}
return $mentions;
}
/**
* Returns the updated date of the comment.
*
* @return string|null The updated date of the comment.
*/
public function get_updated() {
$updated = \get_comment_meta( $this->item->comment_ID, 'activitypub_comment_modified', true );
$published = \get_comment_meta( $this->item->comment_ID, 'activitypub_comment_published', true );
if ( $updated > $published ) {
return \gmdate( ACTIVITYPUB_DATE_TIME_RFC3339, $updated );
}
return null;
}
/**
* Returns the published date of the comment.
*
* @return string The published date of the comment.
*/
public function get_published() {
return \gmdate( ACTIVITYPUB_DATE_TIME_RFC3339, \strtotime( $this->item->comment_date_gmt ) );
}
/**
* Returns the URL of the comment.
*
* @return string The URL of the comment.
*/
public function get_url() {
return $this->get_id();
}
/**
* Returns the type of the comment.
*
* @return string The type of the comment.
*/
public function get_type() {
return 'Note';
}
/**
* Get the context of the post.
*
* @see https://www.w3.org/TR/activitystreams-vocabulary/#dfn-context
*
* @return string The context of the post.
*/
protected function get_context() {
if ( $this->item->comment_post_ID ) {
return get_rest_url_by_path( sprintf( 'posts/%d/context', $this->item->comment_post_ID ) );
}
return null;
}
/**
* Get the replies Collection.
*
* @return array|null The replies collection on success or null on failure.
*/
public function get_replies() {
return Replies::get_collection( $this->item );
}
}

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<?php
/**
* Transformer Factory Class file.
*
* @package Activitypub
*/
namespace Activitypub\Transformer;
use WP_Error;
use Activitypub\Http;
use Activitypub\Comment as Comment_Helper;
use function Activitypub\is_post_disabled;
use function Activitypub\user_can_activitypub;
/**
* Transformer Factory.
*/
class Factory {
/**
* Get the transformer for a given object.
*
* @param mixed $data The object to transform.
*
* @return Base|WP_Error The transformer to use, or an error.
*/
public static function get_transformer( $data ) {
if ( \is_string( $data ) && \filter_var( $data, FILTER_VALIDATE_URL ) ) {
$response = Http::get_remote_object( $data );
if ( \is_wp_error( $response ) ) {
return $response;
}
$class = 'json';
$data = $response;
} elseif ( \is_array( $data ) || \is_string( $data ) ) {
$class = 'json';
} elseif ( \is_object( $data ) ) {
$class = \get_class( $data );
} else {
return new WP_Error( 'invalid_object', __( 'Invalid object', 'activitypub' ) );
}
/**
* Filter the transformer for a given object.
*
* Add your own transformer based on the object class or the object type.
*
* Example usage:
*
* // Filter be object class
* add_filter( 'activitypub_transformer', function( $transformer, $object, $object_class ) {
* if ( $object_class === 'WP_Post' ) {
* return new My_Post_Transformer( $object );
* }
* return $transformer;
* }, 10, 3 );
*
* // Filter be object type
* add_filter( 'activitypub_transformer', function( $transformer, $object, $object_class ) {
* if ( $object->post_type === 'event' ) {
* return new My_Event_Transformer( $object );
* }
* return $transformer;
* }, 10, 3 );
*
* @param null|Base $transformer The transformer to use. Default null.
* @param mixed $data The object to transform.
* @param string $object_class The class of the object to transform.
*
* @return mixed The transformer to use.
*/
$transformer = \apply_filters( 'activitypub_transformer', null, $data, $class );
if ( $transformer ) {
if (
! \is_object( $transformer ) ||
! $transformer instanceof Base
) {
return new WP_Error( 'invalid_transformer', __( 'Invalid transformer', 'activitypub' ) );
}
return $transformer;
}
// Use default transformer.
switch ( $class ) {
case 'WP_Post':
if ( 'attachment' === $data->post_type && ! is_post_disabled( $data ) ) {
return new Attachment( $data );
} elseif ( ! is_post_disabled( $data ) ) {
return new Post( $data );
}
break;
case 'WP_Comment':
if ( Comment_Helper::should_be_federated( $data ) ) {
return new Comment( $data );
}
break;
case 'WP_User':
if ( user_can_activitypub( $data->ID ) ) {
return new User( $data );
}
break;
case 'json':
return new Json( $data );
}
if ( $data instanceof \Activitypub\Activity\Base_Object ) {
return new Activity_Object( $data );
}
return new WP_Error( 'invalid_object', __( 'Invalid object', 'activitypub' ) );
}
}

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<?php
/**
* String Transformer Class file.
*
* @package Activitypub
*/
namespace Activitypub\Transformer;
use function Activitypub\is_actor;
use function Activitypub\is_activity;
/**
* String Transformer Class file.
*/
class Json extends Activity_Object {
/**
* JSON constructor.
*
* @param string|array $item The item that should be transformed.
*/
public function __construct( $item ) {
if ( \is_string( $item ) ) {
$item = \json_decode( $item, true );
}
// Check if the item is an Activity or an Object.
if ( is_activity( $item ) ) {
$class = '\Activitypub\Activity\Activity';
} elseif ( is_actor( $item ) ) {
$class = '\Activitypub\Activity\Actor';
} else {
$class = '\Activitypub\Activity\Base_Object';
}
$object = $class::init_from_array( $item );
parent::__construct( $object );
}
}

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<?php
/**
* User Transformer Class file.
*
* @package Activitypub
*/
namespace Activitypub\Transformer;
use Activitypub\Collection\Actors;
/**
* User Transformer Class.
*/
class User extends Base {
/**
* Transforms the WP_User object to an Actor.
*
* @see \Activitypub\Activity\Actor
*
* @return \Activitypub\Activity\Base_Object|\WP_Error The Actor or WP_Error on failure.
*/
public function to_object() {
$activity_object = $this->transform_object_properties( Actors::get_by_id( $this->item->ID ) );
if ( \is_wp_error( $activity_object ) ) {
return $activity_object;
}
return $activity_object;
}
/**
* Get the Actor ID.
*
* @return string The Actor ID.
*/
public function to_id() {
return Actors::get_by_id( $this->item->ID )->get_id();
}
}