433 lines
11 KiB
PHP
433 lines
11 KiB
PHP
<?php
|
|
namespace Activitypub\Collection;
|
|
|
|
use WP_Error;
|
|
use WP_Query;
|
|
use Activitypub\Http;
|
|
use Activitypub\Webfinger;
|
|
use Activitypub\Model\Follower;
|
|
|
|
use function Activitypub\is_tombstone;
|
|
use function Activitypub\get_remote_metadata_by_actor;
|
|
|
|
/**
|
|
* ActivityPub Followers Collection
|
|
*
|
|
* @author Matt Wiebe
|
|
* @author Matthias Pfefferle
|
|
*/
|
|
class Followers {
|
|
const POST_TYPE = 'ap_follower';
|
|
const CACHE_KEY_INBOXES = 'follower_inboxes_%s';
|
|
|
|
/**
|
|
* Add new Follower
|
|
*
|
|
* @param int $user_id The ID of the WordPress User
|
|
* @param string $actor The Actor URL
|
|
*
|
|
* @return array|WP_Error The Follower (WP_Post array) or an WP_Error
|
|
*/
|
|
public static function add_follower( $user_id, $actor ) {
|
|
$meta = get_remote_metadata_by_actor( $actor );
|
|
|
|
if ( is_tombstone( $meta ) ) {
|
|
return $meta;
|
|
}
|
|
|
|
if ( empty( $meta ) || ! is_array( $meta ) || is_wp_error( $meta ) ) {
|
|
return new WP_Error( 'activitypub_invalid_follower', __( 'Invalid Follower', 'activitypub' ), array( 'status' => 400 ) );
|
|
}
|
|
|
|
$follower = new Follower();
|
|
$follower->from_array( $meta );
|
|
|
|
$id = $follower->upsert();
|
|
|
|
if ( is_wp_error( $id ) ) {
|
|
return $id;
|
|
}
|
|
|
|
$post_meta = get_post_meta( $id, 'activitypub_user_id' );
|
|
|
|
// phpcs:ignore WordPress.PHP.StrictInArray.MissingTrueStrict
|
|
if ( is_array( $post_meta ) && ! in_array( $user_id, $post_meta ) ) {
|
|
add_post_meta( $id, 'activitypub_user_id', $user_id );
|
|
wp_cache_delete( sprintf( self::CACHE_KEY_INBOXES, $user_id ), 'activitypub' );
|
|
}
|
|
|
|
return $follower;
|
|
}
|
|
|
|
/**
|
|
* Remove a Follower
|
|
*
|
|
* @param int $user_id The ID of the WordPress User
|
|
* @param string $actor The Actor URL
|
|
*
|
|
* @return bool|WP_Error True on success, false or WP_Error on failure.
|
|
*/
|
|
public static function remove_follower( $user_id, $actor ) {
|
|
wp_cache_delete( sprintf( self::CACHE_KEY_INBOXES, $user_id ), 'activitypub' );
|
|
|
|
$follower = self::get_follower( $user_id, $actor );
|
|
|
|
if ( ! $follower ) {
|
|
return false;
|
|
}
|
|
|
|
return delete_post_meta( $follower->get__id(), 'activitypub_user_id', $user_id );
|
|
}
|
|
|
|
/**
|
|
* Get a Follower.
|
|
*
|
|
* @param int $user_id The ID of the WordPress User
|
|
* @param string $actor The Actor URL
|
|
*
|
|
* @return \Activitypub\Model\Follower|null The Follower object or null
|
|
*/
|
|
public static function get_follower( $user_id, $actor ) {
|
|
global $wpdb;
|
|
|
|
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
|
|
$post_id = $wpdb->get_var(
|
|
$wpdb->prepare(
|
|
"SELECT DISTINCT p.ID FROM $wpdb->posts p INNER JOIN $wpdb->postmeta pm ON p.ID = pm.post_id WHERE p.post_type = %s AND pm.meta_key = 'activitypub_user_id' AND pm.meta_value = %d AND p.guid = %s",
|
|
array(
|
|
esc_sql( self::POST_TYPE ),
|
|
esc_sql( $user_id ),
|
|
esc_sql( $actor ),
|
|
)
|
|
)
|
|
);
|
|
|
|
if ( $post_id ) {
|
|
$post = get_post( $post_id );
|
|
return Follower::init_from_cpt( $post );
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get a Follower by Actor indepenent from the User.
|
|
*
|
|
* @param string $actor The Actor URL.
|
|
*
|
|
* @return \Activitypub\Model\Follower|null The Follower object or null
|
|
*/
|
|
public static function get_follower_by_actor( $actor ) {
|
|
global $wpdb;
|
|
|
|
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
|
|
$post_id = $wpdb->get_var(
|
|
$wpdb->prepare(
|
|
"SELECT ID FROM $wpdb->posts WHERE guid=%s",
|
|
esc_sql( $actor )
|
|
)
|
|
);
|
|
|
|
if ( $post_id ) {
|
|
$post = get_post( $post_id );
|
|
return Follower::init_from_cpt( $post );
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get the Followers of a given user
|
|
*
|
|
* @param int $user_id The ID of the WordPress User.
|
|
* @param int $number Maximum number of results to return.
|
|
* @param int $page Page number.
|
|
* @param array $args The WP_Query arguments.
|
|
* @return array List of `Follower` objects.
|
|
*/
|
|
public static function get_followers( $user_id, $number = -1, $page = null, $args = array() ) {
|
|
$data = self::get_followers_with_count( $user_id, $number, $page, $args );
|
|
return $data['followers'];
|
|
}
|
|
|
|
/**
|
|
* Get the Followers of a given user, along with a total count for pagination purposes.
|
|
*
|
|
* @param int $user_id The ID of the WordPress User.
|
|
* @param int $number Maximum number of results to return.
|
|
* @param int $page Page number.
|
|
* @param array $args The WP_Query arguments.
|
|
*
|
|
* @return array
|
|
* followers List of `Follower` objects.
|
|
* total Total number of followers.
|
|
*/
|
|
public static function get_followers_with_count( $user_id, $number = -1, $page = null, $args = array() ) {
|
|
$defaults = array(
|
|
'post_type' => self::POST_TYPE,
|
|
'posts_per_page' => $number,
|
|
'paged' => $page,
|
|
'orderby' => 'ID',
|
|
'order' => 'DESC',
|
|
// phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_query
|
|
'meta_query' => array(
|
|
array(
|
|
'key' => 'activitypub_user_id',
|
|
'value' => $user_id,
|
|
),
|
|
),
|
|
);
|
|
|
|
$args = wp_parse_args( $args, $defaults );
|
|
$query = new WP_Query( $args );
|
|
$total = $query->found_posts;
|
|
$followers = array_map(
|
|
function( $post ) {
|
|
return Follower::init_from_cpt( $post );
|
|
},
|
|
$query->get_posts()
|
|
);
|
|
return compact( 'followers', 'total' );
|
|
}
|
|
|
|
/**
|
|
* Get all Followers
|
|
*
|
|
* @param array $args The WP_Query arguments.
|
|
*
|
|
* @return array The Term list of Followers.
|
|
*/
|
|
public static function get_all_followers() {
|
|
$args = array(
|
|
'nopaging' => true,
|
|
// phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_query
|
|
'meta_query' => array(
|
|
'relation' => 'AND',
|
|
array(
|
|
'key' => 'activitypub_inbox',
|
|
'compare' => 'EXISTS',
|
|
),
|
|
array(
|
|
'key' => 'activitypub_actor_json',
|
|
'compare' => 'EXISTS',
|
|
),
|
|
),
|
|
);
|
|
return self::get_followers( null, null, null, $args );
|
|
}
|
|
|
|
/**
|
|
* Count the total number of followers
|
|
*
|
|
* @param int $user_id The ID of the WordPress User
|
|
*
|
|
* @return int The number of Followers
|
|
*/
|
|
public static function count_followers( $user_id ) {
|
|
$query = new WP_Query(
|
|
array(
|
|
'post_type' => self::POST_TYPE,
|
|
'fields' => 'ids',
|
|
// phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_query
|
|
'meta_query' => array(
|
|
'relation' => 'AND',
|
|
array(
|
|
'key' => 'activitypub_user_id',
|
|
'value' => $user_id,
|
|
),
|
|
array(
|
|
'key' => 'activitypub_inbox',
|
|
'compare' => 'EXISTS',
|
|
),
|
|
array(
|
|
'key' => 'activitypub_actor_json',
|
|
'compare' => 'EXISTS',
|
|
),
|
|
),
|
|
)
|
|
);
|
|
|
|
return $query->found_posts;
|
|
}
|
|
|
|
/**
|
|
* Returns all Inboxes fo a Users Followers
|
|
*
|
|
* @param int $user_id The ID of the WordPress User
|
|
*
|
|
* @return array The list of Inboxes
|
|
*/
|
|
public static function get_inboxes( $user_id ) {
|
|
$cache_key = sprintf( self::CACHE_KEY_INBOXES, $user_id );
|
|
$inboxes = wp_cache_get( $cache_key, 'activitypub' );
|
|
|
|
if ( $inboxes ) {
|
|
return $inboxes;
|
|
}
|
|
|
|
// get all Followers of a ID of the WordPress User
|
|
$posts = new WP_Query(
|
|
array(
|
|
'nopaging' => true,
|
|
'post_type' => self::POST_TYPE,
|
|
'fields' => 'ids',
|
|
// phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_query
|
|
'meta_query' => array(
|
|
'relation' => 'AND',
|
|
array(
|
|
'key' => 'activitypub_inbox',
|
|
'compare' => 'EXISTS',
|
|
),
|
|
array(
|
|
'key' => 'activitypub_user_id',
|
|
'value' => $user_id,
|
|
),
|
|
array(
|
|
'key' => 'activitypub_inbox',
|
|
'value' => '',
|
|
'compare' => '!=',
|
|
),
|
|
),
|
|
)
|
|
);
|
|
|
|
$posts = $posts->get_posts();
|
|
|
|
if ( ! $posts ) {
|
|
return array();
|
|
}
|
|
|
|
global $wpdb;
|
|
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery
|
|
$results = $wpdb->get_col(
|
|
$wpdb->prepare(
|
|
"SELECT DISTINCT meta_value FROM {$wpdb->postmeta}
|
|
WHERE post_id IN (" . implode( ', ', array_fill( 0, count( $posts ), '%d' ) ) . ")
|
|
AND meta_key = 'activitypub_inbox'
|
|
AND meta_value IS NOT NULL",
|
|
$posts
|
|
)
|
|
);
|
|
|
|
$inboxes = array_filter( $results );
|
|
wp_cache_set( $cache_key, $inboxes, 'activitypub' );
|
|
|
|
return $inboxes;
|
|
}
|
|
|
|
/**
|
|
* Get all Followers that have not been updated for a given time
|
|
*
|
|
* @param enum $output The output format, supported ARRAY_N, OBJECT and ACTIVITYPUB_OBJECT.
|
|
* @param int $number Limits the result.
|
|
* @param int $older_than The time in seconds.
|
|
*
|
|
* @return mixed The Term list of Followers, the format depends on $output.
|
|
*/
|
|
public static function get_outdated_followers( $number = 50, $older_than = 86400 ) {
|
|
$args = array(
|
|
'post_type' => self::POST_TYPE,
|
|
'posts_per_page' => $number,
|
|
'orderby' => 'modified',
|
|
'order' => 'ASC',
|
|
'post_status' => 'any', // 'any' includes 'trash
|
|
'date_query' => array(
|
|
array(
|
|
'column' => 'post_modified_gmt',
|
|
'before' => gmdate( 'Y-m-d', \time() - $older_than ),
|
|
),
|
|
),
|
|
);
|
|
|
|
$posts = new WP_Query( $args );
|
|
$items = array();
|
|
|
|
foreach ( $posts->get_posts() as $follower ) {
|
|
$items[] = Follower::init_from_cpt( $follower ); // phpcs:ignore
|
|
}
|
|
|
|
return $items;
|
|
}
|
|
|
|
/**
|
|
* Get all Followers that had errors
|
|
*
|
|
* @param enum $output The output format, supported ARRAY_N, OBJECT and ACTIVITYPUB_OBJECT
|
|
* @param integer $number The number of Followers to return.
|
|
*
|
|
* @return mixed The Term list of Followers, the format depends on $output.
|
|
*/
|
|
public static function get_faulty_followers( $number = 20 ) {
|
|
$args = array(
|
|
'post_type' => self::POST_TYPE,
|
|
'posts_per_page' => $number,
|
|
// phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_query
|
|
'meta_query' => array(
|
|
'relation' => 'OR',
|
|
array(
|
|
'key' => 'activitypub_errors',
|
|
'compare' => 'EXISTS',
|
|
),
|
|
array(
|
|
'key' => 'activitypub_inbox',
|
|
'compare' => 'NOT EXISTS',
|
|
),
|
|
array(
|
|
'key' => 'activitypub_actor_json',
|
|
'compare' => 'NOT EXISTS',
|
|
),
|
|
array(
|
|
'key' => 'activitypub_inbox',
|
|
'value' => '',
|
|
'compare' => '=',
|
|
),
|
|
array(
|
|
'key' => 'activitypub_actor_json',
|
|
'value' => '',
|
|
'compare' => '=',
|
|
),
|
|
),
|
|
);
|
|
|
|
$posts = new WP_Query( $args );
|
|
$items = array();
|
|
|
|
foreach ( $posts->get_posts() as $follower ) {
|
|
$items[] = Follower::init_from_cpt( $follower ); // phpcs:ignore
|
|
}
|
|
|
|
return $items;
|
|
}
|
|
|
|
/**
|
|
* This function is used to store errors that occur when
|
|
* sending an ActivityPub message to a Follower.
|
|
*
|
|
* The error will be stored in the
|
|
* post meta.
|
|
*
|
|
* @param int $post_id The ID of the WordPress Custom-Post-Type.
|
|
* @param mixed $error The error message. Can be a string or a WP_Error.
|
|
*
|
|
* @return int|false The meta ID on success, false on failure.
|
|
*/
|
|
public static function add_error( $post_id, $error ) {
|
|
if ( is_string( $error ) ) {
|
|
$error_message = $error;
|
|
} elseif ( is_wp_error( $error ) ) {
|
|
$error_message = $error->get_error_message();
|
|
} else {
|
|
$error_message = __(
|
|
'Unknown Error or misconfigured Error-Message',
|
|
'activitypub'
|
|
);
|
|
}
|
|
|
|
return add_post_meta(
|
|
$post_id,
|
|
'activitypub_errors',
|
|
$error_message
|
|
);
|
|
}
|
|
}
|