93 lines
2.5 KiB
PHP
93 lines
2.5 KiB
PHP
<?php
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class Db_Activitypub_Followers {
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/**
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* [get_inbox_by_actor description]
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* @param [type] $actor [description]
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* @return [type] [description]
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*/
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public static function get_inbox_by_actor( $actor ) {
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$metadata = self::get_metadata_by_actor( $actor );
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if ( is_wp_error( $metadata ) ) {
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return $metadata;
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}
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if ( array_key_exists( 'inbox', $metadata ) ) {
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return $metadata['inbox'];
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}
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return new WP_Error( 'activitypub_no_inbox', __( 'No "Inbox" found', 'activitypub' ), $metadata );
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}
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/**
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* [get_metadata_by_actor description]
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* @param [type] $actor [description]
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* @return [type] [description]
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*/
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public static function get_metadata_by_actor( $actor ) {
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$metadata = get_transient( 'activitypub_' . $actor );
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if ( $metadata ) {
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return $metadata;
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}
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if ( ! wp_http_validate_url( $actor ) ) {
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return new WP_Error( 'activitypub_no_valid_actor_url', __( 'The "actor" is no valid URL', 'activitypub' ), $actor );
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}
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$wp_version = get_bloginfo( 'version' );
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$user_agent = apply_filters( 'http_headers_useragent', 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' ) );
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$args = array(
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'timeout' => 100,
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'limit_response_size' => 1048576,
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'redirection' => 3,
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'user-agent' => "$user_agent; ActivityPub",
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'headers' => array( 'accept' => 'application/activity+json' ),
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);
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$response = wp_safe_remote_get( $actor, $args );
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if ( is_wp_error( $response ) ) {
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return $response;
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}
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$metadata = wp_remote_retrieve_body( $response );
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$metadata = json_decode( $metadata, true );
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if ( ! $metadata ) {
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return new WP_Error( 'activitypub_invalid_json', __( 'No valid JSON data', 'activitypub' ), $actor );
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}
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set_transient( 'activitypub_' . $actor, $metadata, WEEK_IN_SECONDS );
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return $metadata;
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}
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public static function add_follower( $actor, $author_id ) {
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$followers = get_user_option( 'activitypub_followers', $author_id );
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if ( ! is_array( $followers ) ) {
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$followers = array( $actor );
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} else {
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$followers[] = $actor;
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}
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$followers = array_unique( $followers );
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update_user_meta( $author_id, 'activitypub_followers', $followers );
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}
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public static function remove_follower( $actor, $author_id ) {
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$followers = get_user_option( 'activitypub_followers', $author_id );
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foreach ( $followers as $key => $value ) {
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if ( $value === $actor) {
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unset( $followers[$key] );
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}
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}
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update_user_meta( $author_id, 'activitypub_followers', $followers );
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}
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}
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