wordpress-activitypub/includes/collection/class-interactions.php
2023-12-05 12:21:29 +01:00

207 lines
5.4 KiB
PHP

<?php
namespace Activitypub\Collection;
use WP_Error;
use WP_Comment_Query;
use function Activitypub\url_to_commentid;
use function Activitypub\object_id_to_comment;
use function Activitypub\get_remote_metadata_by_actor;
/**
* ActivityPub Interactions Collection
*/
class Interactions {
/**
* Add a comment to a post
*
* @param array $activity The activity-object
*
* @return array|false The commentdata or false on failure
*/
public static function add_comment( $activity ) {
if (
! isset( $activity['object'] ) ||
! isset( $activity['object']['id'] )
) {
return false;
}
if ( ! isset( $activity['object']['inReplyTo'] ) ) {
return false;
}
$in_reply_to = \esc_url_raw( $activity['object']['inReplyTo'] );
$comment_post_id = \url_to_postid( $in_reply_to );
$parent_comment = object_id_to_comment( $in_reply_to );
// save only replys and reactions
if ( ! $comment_post_id && $parent_comment ) {
$comment_post_id = $parent_comment->comment_post_ID;
}
// not a reply to a post or comment
if ( ! $comment_post_id ) {
return false;
}
$meta = get_remote_metadata_by_actor( $activity['actor'] );
if ( ! $meta || \is_wp_error( $meta ) ) {
return false;
}
$commentdata = array(
'comment_post_ID' => $comment_post_id,
'comment_author' => \esc_attr( $meta['name'] ),
'comment_author_url' => \esc_url_raw( $meta['url'] ),
'comment_content' => \addslashes( \wp_kses( $activity['object']['content'], 'pre_comment_content' ) ),
'comment_type' => 'comment',
'comment_author_email' => '',
'comment_parent' => $parent_comment ? $parent_comment->comment_ID : 0,
'comment_meta' => array(
'source_id' => \esc_url_raw( $activity['object']['id'] ),
'source_url' => \esc_url_raw( $activity['object']['url'] ),
'protocol' => 'activitypub',
),
);
if ( isset( $meta['icon']['url'] ) ) {
$commentdata['comment_meta']['avatar_url'] = \esc_url_raw( $meta['icon']['url'] );
}
// disable flood control
\remove_action( 'check_comment_flood', 'check_comment_flood_db', 10 );
// do not require email for AP entries
\add_filter( 'pre_option_require_name_email', '__return_false' );
// No nonce possible for this submission route
\add_filter(
'akismet_comment_nonce',
function() {
return 'inactive';
}
);
$comment = \wp_new_comment( $commentdata, true );
\remove_filter( 'pre_option_require_name_email', '__return_false' );
// re-add flood control
\add_action( 'check_comment_flood', 'check_comment_flood_db', 10, 4 );
return $comment;
}
/**
* Update a comment
*
* @param array $activity The activity-object
*
* @return array|false The commentdata or false on failure
*/
public static function update_comment( $activity ) {
$meta = get_remote_metadata_by_actor( $activity['actor'] );
//Determine comment_ID
$object_comment_id = url_to_commentid( \esc_url_raw( $activity['object']['id'] ) );
if ( ! $object_comment_id ) {
return false;
}
//found a local comment id
$commentdata = \get_comment( $object_comment_id, ARRAY_A );
$commentdata['comment_author'] = \esc_attr( $meta['name'] ? $meta['name'] : $meta['preferredUsername'] );
$commentdata['comment_content'] = \addslashes( \wp_kses( $activity['object']['content'], 'pre_comment_content' ) );
if ( isset( $meta['icon']['url'] ) ) {
$commentdata['comment_meta']['avatar_url'] = \esc_url_raw( $meta['icon']['url'] );
}
// disable flood control
\remove_action( 'check_comment_flood', 'check_comment_flood_db', 10 );
// do not require email for AP entries
\add_filter( 'pre_option_require_name_email', '__return_false' );
// No nonce possible for this submission route
\add_filter(
'akismet_comment_nonce',
function() {
return 'inactive';
}
);
$comment = \wp_update_comment( $commentdata, true );
\remove_filter( 'pre_option_require_name_email', '__return_false' );
// re-add flood control
\add_action( 'check_comment_flood', 'check_comment_flood_db', 10, 4 );
return $comment;
}
/**
* Get interaction(s) for a given URL/ID.
*
* @param strin $url The URL/ID to get interactions for.
*
* @return array The interactions as WP_Comment objects.
*/
public static function get_interaction_by_id( $url ) {
$args = array(
// phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_query
'meta_query' => array(
'relation' => 'AND',
array(
'key' => 'protocol',
'value' => 'activitypub',
),
array(
'relation' => 'OR',
array(
'key' => 'source_url',
'value' => $url,
),
array(
'key' => 'source_id',
'value' => $url,
),
),
),
);
$query = new WP_Comment_Query( $args );
return $query->comments;
}
/**
* Get interaction(s) for a given actor.
*
* @param string $actor The Actor-URL.
*
* @return array The interactions as WP_Comment objects.
*/
public static function get_interactions_by_actor( $actor ) {
$meta = get_remote_metadata_by_actor( $actor );
// get URL, because $actor seems to be the ID
if ( $meta && ! is_wp_error( $meta ) && isset( $meta['url'] ) ) {
$actor = $meta['url'];
}
$args = array(
'author_url' => $actor,
// phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_query
'meta_query' => array(
array(
'key' => 'protocol',
'value' => 'activitypub',
'compare' => '=',
),
),
);
$comment_query = new WP_Comment_Query( $args );
return $comment_query->comments;
}
}