'as:manuallyApprovesFollowers', 'PropertyValue' => 'schema:PropertyValue', 'schema' => 'http://schema.org#', 'pt' => 'https://joinpeertube.org/ns#', 'toot' => 'http://joinmastodon.org/ns#', 'value' => 'schema:value', 'Hashtag' => 'as:Hashtag', 'featured' => array( '@id' => 'toot:featured', '@type' => '@id', ), 'featuredTags' => array( '@id' => 'toot:featuredTags', '@type' => '@id', ), ), ); return \apply_filters( 'activitypub_json_context', $context ); } function safe_remote_post( $url, $body, $user_id ) { $date = \gmdate( 'D, d M Y H:i:s T' ); $digest = \Activitypub\Signature::generate_digest( $body ); $signature = \Activitypub\Signature::generate_signature( $user_id, 'post', $url, $date, $digest ); $wp_version = \get_bloginfo( 'version' ); $user_agent = \apply_filters( 'http_headers_useragent', 'WordPress/' . $wp_version . '; ' . \get_bloginfo( 'url' ) ); $args = array( 'timeout' => 100, 'limit_response_size' => 1048576, 'redirection' => 3, 'user-agent' => "$user_agent; ActivityPub", 'headers' => array( 'Accept' => 'application/activity+json', 'Content-Type' => 'application/activity+json', 'Digest' => "SHA-256=$digest", 'Signature' => $signature, 'Date' => $date, ), 'body' => $body, ); $response = \wp_safe_remote_post( $url, $args ); \do_action( 'activitypub_safe_remote_post_response', $response, $url, $body, $user_id ); return $response; } function safe_remote_get( $url, $user_id ) { $date = \gmdate( 'D, d M Y H:i:s T' ); $signature = \Activitypub\Signature::generate_signature( $user_id, 'get', $url, $date ); $wp_version = \get_bloginfo( 'version' ); $user_agent = \apply_filters( 'http_headers_useragent', 'WordPress/' . $wp_version . '; ' . \get_bloginfo( 'url' ) ); $args = array( 'timeout' => apply_filters( 'activitypub_remote_get_timeout', 100 ), 'limit_response_size' => 1048576, 'redirection' => 3, 'user-agent' => "$user_agent; ActivityPub", 'headers' => array( 'Accept' => 'application/activity+json', 'Content-Type' => 'application/activity+json', 'Signature' => $signature, 'Date' => $date, ), ); $response = \wp_safe_remote_get( $url, $args ); \do_action( 'activitypub_safe_remote_get_response', $response, $url, $user_id ); return $response; } /** * Returns a users WebFinger "resource" * * @param int $user_id * * @return string The user-resource */ function get_webfinger_resource( $user_id ) { return \Activitypub\Webfinger::get_user_resource( $user_id ); } /** * [get_metadata_by_actor description] * * @param string $actor * * @return array */ function get_remote_metadata_by_actor( $actor ) { $pre = apply_filters( 'pre_get_remote_metadata_by_actor', false, $actor ); if ( $pre ) { return $pre; } if ( preg_match( '/^@?' . ACTIVITYPUB_USERNAME_REGEXP . '$/i', $actor ) ) { $actor = Webfinger::resolve( $actor ); } if ( ! $actor ) { return null; } if ( is_wp_error( $actor ) ) { return $actor; } $transient_key = 'activitypub_' . $actor; $metadata = \get_transient( $transient_key ); if ( $metadata ) { return $metadata; } if ( ! \wp_http_validate_url( $actor ) ) { $metadata = new \WP_Error( 'activitypub_no_valid_actor_url', \__( 'The "actor" is no valid URL', 'activitypub' ), $actor ); \set_transient( $transient_key, $metadata, HOUR_IN_SECONDS ); // Cache the error for a shorter period. return $metadata; } $user = \get_users( array( 'number' => 1, 'capability__in' => array( 'publish_posts' ), 'fields' => 'ID', ) ); // we just need any user to generate a request signature $user_id = \reset( $user ); $short_timeout = function() { return 3; }; add_filter( 'activitypub_remote_get_timeout', $short_timeout ); $response = \Activitypub\safe_remote_get( $actor, $user_id ); remove_filter( 'activitypub_remote_get_timeout', $short_timeout ); if ( \is_wp_error( $response ) ) { \set_transient( $transient_key, $response, HOUR_IN_SECONDS ); // Cache the error for a shorter period. return $response; } $metadata = \wp_remote_retrieve_body( $response ); $metadata = \json_decode( $metadata, true ); if ( ! $metadata ) { $metadata = new \WP_Error( 'activitypub_invalid_json', \__( 'No valid JSON data', 'activitypub' ), $actor ); \set_transient( $transient_key, $metadata, HOUR_IN_SECONDS ); // Cache the error for a shorter period. return $metadata; } \set_transient( $transient_key, $metadata, WEEK_IN_SECONDS ); return $metadata; } /** * [get_inbox_by_actor description] * @param [type] $actor [description] * @return [type] [description] */ function get_inbox_by_actor( $actor ) { $metadata = \Activitypub\get_remote_metadata_by_actor( $actor ); if ( \is_wp_error( $metadata ) ) { return $metadata; } if ( isset( $metadata['endpoints'] ) && isset( $metadata['endpoints']['sharedInbox'] ) ) { return $metadata['endpoints']['sharedInbox']; } if ( \array_key_exists( 'inbox', $metadata ) ) { return $metadata['inbox']; } return new \WP_Error( 'activitypub_no_inbox', \__( 'No "Inbox" found', 'activitypub' ), $metadata ); } /** * [get_inbox_by_actor description] * @param [type] $actor [description] * @return [type] [description] */ function get_publickey_by_actor( $actor, $key_id ) { $metadata = \Activitypub\get_remote_metadata_by_actor( $actor ); if ( \is_wp_error( $metadata ) ) { return $metadata; } if ( isset( $metadata['publicKey'] ) && isset( $metadata['publicKey']['id'] ) && isset( $metadata['publicKey']['owner'] ) && isset( $metadata['publicKey']['publicKeyPem'] ) && $key_id === $metadata['publicKey']['id'] && $actor === $metadata['publicKey']['owner'] ) { return $metadata['publicKey']['publicKeyPem']; } return new \WP_Error( 'activitypub_no_public_key', \__( 'No "Public-Key" found', 'activitypub' ), $metadata ); } function get_follower_inboxes( $user_id, $cc = array() ) { $followers = \Activitypub\Peer\Followers::get_followers( $user_id ); $followers = array_merge( $followers, $cc ); $followers = array_unique( $followers ); $inboxes = array(); foreach ( $followers as $follower ) { $inbox = \Activitypub\get_inbox_by_actor( $follower ); if ( ! $inbox || \is_wp_error( $inbox ) ) { continue; } // init array if empty if ( ! isset( $inboxes[ $inbox ] ) ) { $inboxes[ $inbox ] = array(); } $inboxes[ $inbox ][] = $follower; } return $inboxes; } function get_identifier_settings( $user_id ) { ?>

or

wp_rewrite_rules(); // not using rewrite rules, and 'author=N' method failed, so we're out of options if ( empty( $rewrite ) ) { return 0; } // generate rewrite rule for the author url $author_rewrite = $wp_rewrite->get_author_permastruct(); $author_regexp = \str_replace( '%author%', '', $author_rewrite ); // match the rewrite rule with the passed url if ( \preg_match( '/https?:\/\/(.+)' . \preg_quote( $author_regexp, '/' ) . '([^\/]+)/i', $url, $match ) ) { $user = \get_user_by( 'slug', $match[2] ); if ( $user ) { return $user->ID; } } return 0; } /** * Return the custom Activity Pub description, if set, or default author description. * * @param int $user_id The user ID. * @return string */ function get_author_description( $user_id ) { $description = get_user_meta( $user_id, ACTIVITYPUB_USER_DESCRIPTION_KEY, true ); if ( empty( $description ) ) { $description = get_user_meta( $user_id, 'description', true ); } return $description; }