%s
', \__( 'Your author URL is accessible and supports the required "Accept" header.', 'activitypub' ) ), 'actions' => '', 'test' => 'test_author_url', ); $check = self::is_author_url_accessible(); if ( true === $check ) { return $result; } $result['status'] = 'critical'; $result['label'] = \__( 'Author URL is not accessible', 'activitypub' ); $result['badge']['color'] = 'red'; $result['description'] = \sprintf( '%s
', $check->get_error_message() ); return $result; } /** * System Cron tests. * * @return array */ public static function test_system_cron() { $result = array( 'label' => \__( 'System Task Scheduler configured', 'activitypub' ), 'status' => 'good', 'badge' => array( 'label' => \__( 'ActivityPub', 'activitypub' ), 'color' => 'green', ), 'description' => \sprintf( '%s
', \esc_html__( 'You seem to use the System Task Scheduler to process WP_Cron tasks.', 'activitypub' ) ), 'actions' => '', 'test' => 'test_system_cron', ); if ( defined( 'DISABLE_WP_CRON' ) && DISABLE_WP_CRON ) { return $result; } $result['status'] = 'recommended'; $result['label'] = \__( 'System Task Scheduler not configured', 'activitypub' ); $result['badge']['color'] = 'orange'; $result['description'] = \sprintf( '%s
', \__( 'Enhance your WordPress site’s performance and mitigate potential heavy loads caused by plugins like ActivityPub by setting up a system cron job to run WP Cron. This ensures scheduled tasks are executed consistently and reduces the reliance on website traffic for trigger events.', 'activitypub' ) ); $result['actions'] .= sprintf( '', esc_url( __( 'https://developer.wordpress.org/plugins/cron/hooking-wp-cron-into-the-system-task-scheduler/', 'activitypub' ) ), __( 'Learn how to hook the WP-Cron into the System Task Scheduler.', 'activitypub' ), /* translators: Hidden accessibility text. */ __( '(opens in a new tab)', 'activitypub' ) ); return $result; } /** * WebFinger tests. * * @return array */ public static function test_webfinger() { $result = array( 'label' => \__( 'WebFinger endpoint', 'activitypub' ), 'status' => 'good', 'badge' => array( 'label' => \__( 'ActivityPub', 'activitypub' ), 'color' => 'green', ), 'description' => \sprintf( '%s
', \__( 'Your WebFinger endpoint is accessible and returns the correct information.', 'activitypub' ) ), 'actions' => '', 'test' => 'test_webfinger', ); $check = self::is_webfinger_endpoint_accessible(); if ( true === $check ) { return $result; } $result['status'] = 'critical'; $result['label'] = \__( 'WebFinger endpoint is not accessible', 'activitypub' ); $result['badge']['color'] = 'red'; $result['description'] = \sprintf( '%s
', $check->get_error_message() ); return $result; } /** * Check if `author_posts_url` is accessible and that request returns correct JSON. * * @return bool|WP_Error True if the author URL is accessible, WP_Error otherwise. */ public static function is_author_url_accessible() { $user = \wp_get_current_user(); $author_url = \get_author_posts_url( $user->ID ); $reference_author_url = self::get_author_posts_url( $user->ID, $user->user_nicename ); // Check for "author" in URL. if ( $author_url !== $reference_author_url ) { return new WP_Error( 'author_url_not_accessible', \sprintf( // translators: %s: Author URL. \__( 'Your author URL%s was replaced, this is often done by plugins.',
'activitypub'
),
$author_url
)
);
}
// Try to access author URL.
$response = \wp_remote_get(
$author_url,
array(
'headers' => array( 'Accept' => 'application/activity+json' ),
'redirection' => 0,
)
);
if ( \is_wp_error( $response ) ) {
return new WP_Error(
'author_url_not_accessible',
\sprintf(
// translators: %s: Author URL.
\__(
'Your author URL %s is not accessible. Please check your WordPress setup or permalink structure. If the setup seems fine, maybe check if a plugin might restrict the access.',
'activitypub'
),
$author_url
)
);
}
$response_code = \wp_remote_retrieve_response_code( $response );
// Check for redirects.
if ( \in_array( $response_code, array( 301, 302, 307, 308 ), true ) ) {
return new WP_Error(
'author_url_not_accessible',
\sprintf(
// translators: %s: Author URL.
\__(
'Your author URL %s is redirecting to another page, this is often done by SEO plugins like "Yoast SEO".',
'activitypub'
),
$author_url
)
);
}
// Check if response is JSON.
$body = \wp_remote_retrieve_body( $response );
if ( ! \is_string( $body ) || ! \is_array( \json_decode( $body, true ) ) ) {
return new WP_Error(
'author_url_not_accessible',
\sprintf(
// translators: %s: Author URL.
\__(
'Your author URL %s does not return valid JSON for application/activity+json. Please check if your hosting supports alternate Accept headers.',
'activitypub'
),
$author_url
)
);
}
return true;
}
/**
* Check if WebFinger endpoint is accessible and profile request returns correct JSON
*
* @return boolean|WP_Error
*/
public static function is_webfinger_endpoint_accessible() {
$user = Users::get_by_id( Users::APPLICATION_USER_ID );
$resource = $user->get_webfinger();
$url = Webfinger::resolve( $resource );
if ( \is_wp_error( $url ) ) {
$allowed = array( 'code' => array() );
$not_accessible = wp_kses(
// translators: %s: Author URL.
\__(
'Your WebFinger endpoint %s is not accessible. Please check your WordPress setup or permalink structure.',
'activitypub'
),
$allowed
);
$invalid_response = wp_kses(
// translators: %s: Author URL.
\__(
'Your WebFinger endpoint %s does not return valid JSON for application/jrd+json.',
'activitypub'
),
$allowed
);
$health_messages = array(
'webfinger_url_not_accessible' => \sprintf(
$not_accessible,
$url->get_error_data()['data']
),
'webfinger_url_invalid_response' => \sprintf(
// translators: %s: Author URL.
$invalid_response,
$url->get_error_data()['data']
),
);
$message = null;
if ( isset( $health_messages[ $url->get_error_code() ] ) ) {
$message = $health_messages[ $url->get_error_code() ];
}
return new WP_Error(
$url->get_error_code(),
$message,
$url->get_error_data()
);
}
return true;
}
/**
* Retrieve the URL to the author page for the user with the ID provided.
*
* @global \WP_Rewrite $wp_rewrite WordPress rewrite component.
*
* @param int $author_id Author ID.
* @param string $author_nicename Optional. The author's nicename (slug). Default empty.
*
* @return string The URL to the author's page.
*/
public static function get_author_posts_url( $author_id, $author_nicename = '' ) {
global $wp_rewrite;
$auth_id = (int) $author_id;
$link = $wp_rewrite->get_author_permastruct();
if ( empty( $link ) ) {
$file = home_url( '/' );
$link = $file . '?author=' . $auth_id;
} else {
if ( '' === $author_nicename ) {
$user = get_userdata( $author_id );
if ( ! empty( $user->user_nicename ) ) {
$author_nicename = $user->user_nicename;
}
}
$link = str_replace( '%author%', $author_nicename, $link );
$link = home_url( user_trailingslashit( $link ) );
}
return $link;
}
/**
* Static function for generating site debug data when required.
*
* @param array $info The debug information to be added to the core information page.
* @return array The filtered information
*/
public static function debug_information( $info ) {
$info['activitypub'] = array(
'label' => __( 'ActivityPub', 'activitypub' ),
'fields' => array(
'webfinger' => array(
'label' => __( 'WebFinger Resource', 'activitypub' ),
'value' => Webfinger::get_user_resource( wp_get_current_user()->ID ),
'private' => true,
),
'author_url' => array(
'label' => __( 'Author URL', 'activitypub' ),
'value' => get_author_posts_url( wp_get_current_user()->ID ),
'private' => true,
),
'plugin_version' => array(
'label' => __( 'Plugin Version', 'activitypub' ),
'value' => get_plugin_version(),
'private' => true,
),
),
);
return $info;
}
}