wordpress-activitypub/templates/author-json.php

<?php
$author_id = \get_the_author_meta( 'ID' );

$json = new \stdClass();

$json->{'@context'} = \Activitypub\get_context();
$json->id = \get_author_posts_url( $author_id );
$json->type = 'Person';
$json->name = \get_the_author_meta( 'display_name', $author_id );
$json->summary = \html_entity_decode(
	\Activitypub\get_author_description( $author_id ),
	\ENT_QUOTES,
	'UTF-8'
);
$json->preferredUsername = \get_the_author_meta( 'login', $author_id ); // phpcs:ignore
$json->url = \get_author_posts_url( $author_id );
$json->icon = array(
	'type' => 'Image',
	'url'  => \get_avatar_url( $author_id, array( 'size' => 120 ) ),
);

$json->published = \gmdate( 'Y-m-d\TH:i:s\Z', \strtotime( \get_the_author_meta( 'registered', $author_id ) ) );

if ( \has_header_image() ) {
	$json->image = array(
		'type' => 'Image',
		'url'  => \get_header_image(),
	);
}

$json->inbox = get_rest_url_by_path( sprintf( 'users/%d/inbox', $author_id ) );
$json->outbox = get_rest_url_by_path( sprintf( 'users/%d/outbox', $author_id ) );
$json->followers = get_rest_url_by_path( sprintf( 'users/%d/followers', $author_id ) );
$json->following = get_rest_url_by_path( sprintf( 'users/%d/following', $author_id ) );

$json->manuallyApprovesFollowers = \apply_filters( 'activitypub_json_manually_approves_followers', \__return_false() ); // phpcs:ignore

// phpcs:ignore
$json->publicKey = array(
	'id' => \get_author_posts_url( $author_id ) . '#main-key',
	'owner' => \get_author_posts_url( $author_id ),
	'publicKeyPem' => \trim( \Activitypub\Signature::get_public_key( $author_id ) ),
);

$json->tag = array();
$json->attachment = array();

$json->attachment['blog_url'] = array(
	'type' => 'PropertyValue',
	'name' => \__( 'Blog', 'activitypub' ),
	'value' => \html_entity_decode(
		'<a rel="me" title="' . \esc_attr( \home_url( '/' ) ) . '" target="_blank" href="' . \home_url( '/' ) . '">' . \wp_parse_url( \home_url( '/' ), \PHP_URL_HOST ) . '</a>',
		\ENT_QUOTES,
		'UTF-8'
	),
);

$json->attachment['profile_url'] = array(
	'type' => 'PropertyValue',
	'name' => \__( 'Profile', 'activitypub' ),
	'value' => \html_entity_decode(
		'<a rel="me" title="' . \esc_attr( \get_author_posts_url( $author_id ) ) . '" target="_blank" href="' . \get_author_posts_url( $author_id ) . '">' . \wp_parse_url( \get_author_posts_url( $author_id ), \PHP_URL_HOST ) . '</a>',
		\ENT_QUOTES,
		'UTF-8'
	),
);

if ( \get_the_author_meta( 'user_url', $author_id ) ) {
	$json->attachment['user_url'] = array(
		'type' => 'PropertyValue',
		'name' => \__( 'Website', 'activitypub' ),
		'value' => \html_entity_decode(
			'<a rel="me" title="' . \esc_attr( \get_the_author_meta( 'user_url', $author_id ) ) . '" target="_blank" href="' . \get_the_author_meta( 'user_url', $author_id ) . '">' . \wp_parse_url( \get_the_author_meta( 'user_url', $author_id ), \PHP_URL_HOST ) . '</a>',
			\ENT_QUOTES,
			'UTF-8'
		),
	);
}

// filter output
$json = \apply_filters( 'activitypub_json_author_array', $json, $author_id );

// migrate to ActivityPub standard
$json->attachment = array_values( $json->attachment );

/*
 * Action triggerd prior to the ActivityPub profile being created and sent to the client
 */
\do_action( 'activitypub_json_author_pre', $author_id );

$options = 0;
// JSON_PRETTY_PRINT added in PHP 5.4
if ( \get_query_var( 'pretty' ) ) {
	$options |= \JSON_PRETTY_PRINT; // phpcs:ignore
}

$options |= \JSON_HEX_TAG | \JSON_HEX_AMP | \JSON_HEX_QUOT;

/*
 * Options to be passed to json_encode()
 *
 * @param int $options The current options flags
 */
$options = \apply_filters( 'activitypub_json_author_options', $options, $author_id );

\header( 'Content-Type: application/activity+json' );
echo \wp_json_encode( $json, $options );

/*
 * Action triggerd after the ActivityPub profile has been created and sent to the client
 */
\do_action( 'activitypub_json_author_post', $author_id );