wordpress-activitypub/templates/json-author.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(
	get_the_author_meta( '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 ) ),
);

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

$json->inbox = get_rest_url( null, "/activitypub/1.0/users/$author_id/inbox" );
$json->outbox = get_rest_url( null, "/activitypub/1.0/users/$author_id/outbox" );
$json->followers = get_rest_url( null, "/activitypub/1.0/users/$author_id/followers" );

$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[] = 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[] = 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[] = 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'
		),
	);
}

//$json->endpoints = array(
//	'sharedInbox' => get_rest_url( null, '/activitypub/1.0/inbox' ),
//);

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

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

$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 );

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' );