'as:manuallyApprovesFollowers', 'sensitive' => 'as:sensitive', 'movedTo' => array( '@id' => 'as:movedTo', '@type' => '@id', ), 'Hashtag' => 'as:Hashtag', 'ostatus' => 'http://ostatus.org#', 'atomUri' => 'ostatus:atomUri', 'inReplyToAtomUri' => 'ostatus:inReplyToAtomUri', 'conversation' => 'ostatus:conversation', 'toot' => 'http://joinmastodon.org/ns#', 'Emoji' => 'toot:Emoji', 'focalPoint' => array( '@container' => '@list', '@id' => 'toot:focalPoint', ), 'featured' => array( '@id' => 'toot:featured', '@type' => '@id', ), 'schema' => 'http://schema.org#', 'PropertyValue' => 'schema:PropertyValue', 'value' => 'schema:value', ), ); 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' ); $signature = \Activitypub\Signature::generate_signature( $user_id, $url, $date ); $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', 'Signature' => $signature, 'Date' => $date, ), 'body' => $body, ); return wp_safe_remote_post( $url, $args ); } /** * Returns a users WebFinger "resource" * * @param int $user_id * * @return string The user-resource */ function get_webfinger_resource( $user_id ) { // use WebFinger plugin if installed if ( function_exists( '\get_webfinger_resource' ) ) { return \get_webfinger_resource( $user_id, false ); } $user = get_user_by( 'id', $user_id ); return $user->user_login . '@' . wp_parse_url( home_url(), PHP_URL_HOST ); } /** * [get_metadata_by_actor description] * * @param [type] $actor [description] * @return [type] [description] */ function get_remote_metadata_by_actor( $actor ) { $metadata = get_transient( 'activitypub_' . $actor ); if ( $metadata ) { return $metadata; } if ( ! wp_http_validate_url( $actor ) ) { return new \WP_Error( 'activitypub_no_valid_actor_url', __( 'The "actor" is no valid URL', 'activitypub' ), $actor ); } $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' ), ); $response = wp_safe_remote_get( $actor, $args ); if ( is_wp_error( $response ) ) { return $response; } $metadata = wp_remote_retrieve_body( $response ); $metadata = json_decode( $metadata, true ); if ( ! $metadata ) { return new \WP_Error( 'activitypub_invalid_json', __( 'No valid JSON data', 'activitypub' ), $actor ); } set_transient( 'activitypub_' . $actor, $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 = 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 = 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, $followers ) { $inboxes = array(); foreach ( $followers as $follower ) { $inboxes[] = \Activitypub\get_inbox_by_actor( $follower ); } return array_unique( $inboxes ); } function get_identifier_settings( $user_id ) { ?>

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