Event-Federation/wordpress-activitypub
Event-Federation/wordpress-activitypub
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Add doc blocks

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Alex Kirk 2022-11-18 21:41:54 +01:00
parent 8320856e6a
commit f2b77251ce
1 changed files with 62 additions and 20 deletions
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82
integration/class-friends-feed-parser-activitypub.php
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@ -15,6 +15,11 @@ class Friends_Feed_Parser_ActivityPub extends \Friends\Feed_Parser {
const URL = 'https://www.w3.org/TR/activitypub/'; const URL = 'https://www.w3.org/TR/activitypub/';
private $friends_feed; private $friends_feed;
/**
* Constructor.
*
* @param \Friends\Feed $friends_feed The friends feed
*/
public function __construct( \Friends\Feed $friends_feed ) { public function __construct( \Friends\Feed $friends_feed ) {
$this->friends_feed = $friends_feed; $this->friends_feed = $friends_feed;
@ -71,6 +76,14 @@ class Friends_Feed_Parser_ActivityPub extends \Friends\Feed_Parser {
return $feed_details; return $feed_details;
} }
/**
* Rewrite a Mastodon style URL @username@server to a URL via webfinger.
*
* @param string $url The URL to filter.
* @param string $incoming_url Potentially a mastodon identifier.
*
* @return <type> ( description_of_the_return_value )
*/
public function friends_rewrite_incoming_url( $url, $incoming_url ) { public function friends_rewrite_incoming_url( $url, $incoming_url ) {
if ( preg_match( '/^@?[^@]+@((?:[a-z0-9-]+\.)+[a-z]+)$/i', $incoming_url ) ) { if ( preg_match( '/^@?[^@]+@((?:[a-z0-9-]+\.)+[a-z]+)$/i', $incoming_url ) ) {
$resolved_url = \Activitypub\Rest\Webfinger::resolve( $incoming_url ); $resolved_url = \Activitypub\Rest\Webfinger::resolve( $incoming_url );
@ -145,10 +158,23 @@ class Friends_Feed_Parser_ActivityPub extends \Friends\Feed_Parser {
return true; return true;
} }
/**
* Map the Activity type to a post fomat.
*
* @param string $type The type.
*
* @return string The determined post format.
*/
private function map_type_to_post_format( $type ) { private function map_type_to_post_format( $type ) {
return 'status'; return 'status';
} }
/**
* We received a post for a feed, handle it.
*
* @param array $object The object from ActivityPub.
* @param \Friends\User_Feed $user_feed The user feed.
*/
private function handle_incoming_post( $object, \Friends\User_Feed $user_feed ) { private function handle_incoming_post( $object, \Friends\User_Feed $user_feed ) {
$item = new \Friends\Feed_Item( $item = new \Friends\Feed_Item(
array( array(
@ -163,12 +189,19 @@ class Friends_Feed_Parser_ActivityPub extends \Friends\Feed_Parser {
$this->friends_feed->process_incoming_feed_items( array( $item ), $user_feed ); $this->friends_feed->process_incoming_feed_items( array( $item ), $user_feed );
} }
/**
* Prepare to follow the user via a scheduled event.
*
* @param \Friends\User_Feed $user_feed The user feed.
*
* @return bool|WP_Error Whether the event was queued.
*/
public function queue_follow_user( \Friends\User_Feed $user_feed ) { public function queue_follow_user( \Friends\User_Feed $user_feed ) {
if ( self::SLUG != $user_feed->get_parser() ) { if ( self::SLUG != $user_feed->get_parser() ) {
return; return;
} }
$args = array( $user_feed->get_id(), get_current_user_id() ); $args = array( $user_feed->get_url(), get_current_user_id() );
$unfollow_timestamp = wp_next_scheduled( 'friends_feed_parser_activitypub_unfollow', $args ); $unfollow_timestamp = wp_next_scheduled( 'friends_feed_parser_activitypub_unfollow', $args );
if ( $unfollow_timestamp ) { if ( $unfollow_timestamp ) {
@ -183,13 +216,14 @@ class Friends_Feed_Parser_ActivityPub extends \Friends\Feed_Parser {
return \wp_schedule_single_event( \time(), 'friends_feed_parser_activitypub_follow', $args ); return \wp_schedule_single_event( \time(), 'friends_feed_parser_activitypub_follow', $args );
} }
public function follow_user( $user_feed_id, $user_id ) { /**
$user_feed = \Friends\User_Feed::get_by_id( $user_feed_id ); * Follow a user via ActivityPub at a URL.
if ( self::SLUG != $user_feed->get_parser() ) { *
return; * @param string $url The url.
} * @param int $user_id The current user id.
*/
$meta = \Activitypub\get_remote_metadata_by_actor( $user_feed->get_url() ); public function follow_user( $url, $user_id ) {
$meta = \Activitypub\get_remote_metadata_by_actor( $url );
$to = $meta['id']; $to = $meta['id'];
$inbox = \Activitypub\get_inbox_by_actor( $to ); $inbox = \Activitypub\get_inbox_by_actor( $to );
$actor = \get_author_posts_url( $user_id ); $actor = \get_author_posts_url( $user_id );
@ -197,19 +231,26 @@ class Friends_Feed_Parser_ActivityPub extends \Friends\Feed_Parser {
$activity = new \Activitypub\Model\Activity( 'Follow', \Activitypub\Model\Activity::TYPE_SIMPLE ); $activity = new \Activitypub\Model\Activity( 'Follow', \Activitypub\Model\Activity::TYPE_SIMPLE );
$activity->set_to( null ); $activity->set_to( null );
$activity->set_cc( null ); $activity->set_cc( null );
$activity->set_actor( \get_author_posts_url( $user_id ) ); $activity->set_actor( $actor );
$activity->set_object( $to ); $activity->set_object( $to );
$activity->set_id( $actor . '#follow-' . \preg_replace( '~^https?://~', '', $to ) ); $activity->set_id( $actor . '#follow-' . \preg_replace( '~^https?://~', '', $to ) );
$activity = $activity->to_json(); $activity = $activity->to_json();
\Activitypub\safe_remote_post( $inbox, $activity, $user_id ); \Activitypub\safe_remote_post( $inbox, $activity, $user_id );
} }
/**
* Prepare to unfollow the user via a scheduled event.
*
* @param \Friends\User_Feed $user_feed The user feed.
*
* @return bool|WP_Error Whether the event was queued.
*/
public function queue_unfollow_user( \Friends\User_Feed $user_feed ) { public function queue_unfollow_user( \Friends\User_Feed $user_feed ) {
if ( self::SLUG != $user_feed->get_parser() ) { if ( self::SLUG != $user_feed->get_parser() ) {
return; return false;
} }
$args = array( $user_feed->get_id(), get_current_user_id() ); $args = array( $user_feed->get_url(), get_current_user_id() );
$follow_timestamp = wp_next_scheduled( 'friends_feed_parser_activitypub_follow', $args ); $follow_timestamp = wp_next_scheduled( 'friends_feed_parser_activitypub_follow', $args );
if ( $follow_timestamp ) { if ( $follow_timestamp ) {
@ -218,19 +259,20 @@ class Friends_Feed_Parser_ActivityPub extends \Friends\Feed_Parser {
} }
if ( wp_next_scheduled( 'friends_feed_parser_activitypub_unfollow', $args ) ) { if ( wp_next_scheduled( 'friends_feed_parser_activitypub_unfollow', $args ) ) {
return; return true;
} }
return \wp_schedule_single_event( \time(), 'friends_feed_parser_activitypub_unfollow', $args ); return \wp_schedule_single_event( \time(), 'friends_feed_parser_activitypub_unfollow', $args );
} }
public function unfollow_user( $user_feed_id, $user_id ) { /**
$user_feed = \Friends\User_Feed::get_by_id( $user_feed_id ); * Unfllow a user via ActivityPub at a URL.
if ( self::SLUG != $user_feed->get_parser() ) { *
return; * @param string $url The url.
} * @param int $user_id The current user id.
*/
$meta = \Activitypub\get_remote_metadata_by_actor( $user_feed->get_url() ); public function unfollow_user( $url, $user_id ) {
$meta = \Activitypub\get_remote_metadata_by_actor( $url );
$to = $meta['id']; $to = $meta['id'];
$inbox = \Activitypub\get_inbox_by_actor( $to ); $inbox = \Activitypub\get_inbox_by_actor( $to );
$actor = \get_author_posts_url( $user_id ); $actor = \get_author_posts_url( $user_id );
@ -238,7 +280,7 @@ class Friends_Feed_Parser_ActivityPub extends \Friends\Feed_Parser {
$activity = new \Activitypub\Model\Activity( 'Unfollow', \Activitypub\Model\Activity::TYPE_SIMPLE ); $activity = new \Activitypub\Model\Activity( 'Unfollow', \Activitypub\Model\Activity::TYPE_SIMPLE );
$activity->set_to( null ); $activity->set_to( null );
$activity->set_cc( null ); $activity->set_cc( null );
$activity->set_actor( \get_author_posts_url( $user_id ) ); $activity->set_actor( $actor );
$activity->set_object( $to ); $activity->set_object( $to );
$activity->set_id( $actor . '#unfollow-' . \preg_replace( '~^https?://~', '', $to ) ); $activity->set_id( $actor . '#unfollow-' . \preg_replace( '~^https?://~', '', $to ) );
$activity = $activity->to_json(); $activity = $activity->to_json();