81 lines
1.8 KiB
PHP
81 lines
1.8 KiB
PHP
<?php
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namespace Activitypub\Peer;
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/**
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* ActivityPub Followers DB-Class
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*
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* @author Matthias Pfefferle
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*/
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class Followers {
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public static function get_followers( $author_id ) {
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$followers = \get_user_option( 'activitypub_followers', $author_id );
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if ( ! $followers ) {
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return array();
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}
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foreach ( $followers as $key => $follower ) {
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if (
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\is_array( $follower ) &&
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isset( $follower['type'] ) &&
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'Person' === $follower['type'] &&
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isset( $follower['id'] ) &&
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false !== \filter_var( $follower['id'], \FILTER_VALIDATE_URL )
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) {
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$followers[ $key ] = $follower['id'];
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}
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}
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return $followers;
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}
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public static function count_followers( $author_id ) {
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$followers = self::get_followers( $author_id );
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return \count( $followers );
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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_string( $actor ) ) {
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if (
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\is_array( $actor ) &&
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isset( $actor['type'] ) &&
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'Person' === $actor['type'] &&
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isset( $actor['id'] ) &&
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false !== \filter_var( $actor['id'], \FILTER_VALIDATE_URL )
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) {
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$actor = $actor['id'];
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}
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return new \WP_Error( 'invalid_actor_object', \__( 'Unknown Actor schema', 'activitypub' ), array(
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'status' => 404,
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) );
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}
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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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