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join_ignor
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4 changed files with 155 additions and 0 deletions
10
README.md
10
README.md
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@ -3,7 +3,11 @@
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**Tags:** events, fediverse, activitypub, calendar
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**Requires at least:** 6.5
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**Tested up to:** 6.7
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<<<<<<< HEAD
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**Stable tag:** 0.3.4
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=======
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**Stable tag:** 0.3.5
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>>>>>>> 4dd1d56daa487caa56755e874dd7e74995f0340a
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**Requires PHP:** 7.4
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**License:** AGPL-3.0-or-later
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**License URI:** https://www.gnu.org/licenses/agpl-3.0.html
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@ -101,7 +105,13 @@ We're always interested in your feedback. Feel free to reach out to us via [E-Ma
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## Acknowledgement
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<<<<<<< HEAD
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### [0.3.4] 2024-12-21 ###
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* Initial release on https://wordpress.org/
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=======
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[<img src="./assets/img/acknowledgement-NLnet.svg" alt="NLnet foundation logo" width="20%" style="margin: 10px 5% 10px 5%;"/>](https://nlnet.nl)
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[<img src="./assets/img/acknowledgement-NGI0Entrust.svg" alt="NGI Zero Logo" width="20%" style="margin: 10px 5% 10px 5%;"/>](https://nlnet.nl/entrust)
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The development of this WordPress plugin was funded through the [NGI0 Entrust](https://NLnet.nl/entrust) Fund, a fund established by [NLnet](https://nlnet.nl) with financial support from the European Commission's [Next Generation Internet](https://ngi.eu) programme, under the aegis of [Communications Networks, Content and Technology](https://commission.europa.eu/about-european-commission/departments-and-executive-agencies/communications-networks-content-and-technology_en) under grant agreement number 101069594.
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>>>>>>> 4dd1d56daa487caa56755e874dd7e74995f0340a
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137
includes/activitypub/handler/class-join.php
Normal file
137
includes/activitypub/handler/class-join.php
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<?php
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/**
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* Join handler file.
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*
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* @package Event_Bridge_For_ActivityPub
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* @license AGPL-3.0-or-later
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*/
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namespace Event_Bridge_For_ActivityPub\Activitypub\Handler;
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use Activitypub\Activity\Activity;
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use Activitypub\Collection\Actors;
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use Activitypub\Http;
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use Activitypub\Transformer\Factory;
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use Event_Bridge_For_ActivityPub\Activitypub\Transformer\Event as Event_Transformer;
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use function Activitypub\is_same_domain;
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use function Activitypub\object_to_uri;
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/**
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* Handle Join requests.
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*/
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class Join {
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/**
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* Initialize the class, registering WordPress hooks.
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*/
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public static function init() {
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\add_action(
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'activitypub_inbox_join',
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array( self::class, 'handle_join' )
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);
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\add_action(
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'event_bridge_for_activitypub_ignore_join',
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array( self::class, 'send_ignore_response' ),
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10,
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4
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);
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}
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/**
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* Handle ActivityPub "Join" requests.
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*
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* @param array $activity The activity object.
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*/
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public static function handle_follow( $activity ) {
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$actor = Actors::get_by_resource( $activity['actor'] );
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if ( ! $actor || is_wp_error( $actor ) ) {
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// If we can not find a user, we can not proceed the join process.
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return;
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}
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if ( ! array_key_exists( 'object', $activity ) ) {
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// If the object is not set, we can not proceed the join process.
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return;
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}
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$object_id = object_to_uri( $activity['object'] );
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if ( ! is_same_domain( $object_id ) ) {
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// If the "Join" object is not owned by this WordPress site, abort.
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return;
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}
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$post_id = url_to_postid( $object_id );
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if ( ! $post_id ) {
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// No post is found for this URL/ID.
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return;
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}
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$transformer = Factory::get_transformer( get_post( $post_id ) );
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if ( ! $transformer instanceof Event_Transformer ) {
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// The target post is not an event post.
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return;
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}
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// Pass over to Event plugin specific handler if implemented here.
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// Until then just send an ignore.
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do_action(
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'event_bridge_for_activitypub_ignore_join',
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$transformer->get_actor_object()->get_id(),
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$activity,
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);
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}
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/**
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* Send "Ignore" response.
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*
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* @param string $actor The actors ActivityPub ID which sends the response.
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* @param array $activity_object The Activity object that gets ignored.
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* @param string $to The target actor.
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*/
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public static function send_ignore_response( $actor, $activity_object, $to = null ) {
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if ( ! $to && array_key_exists( 'actor', $activity_object ) ) {
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$to = object_to_uri( $activity_object['actor'] );
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}
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if ( ! $to ) {
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return;
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}
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// Only send minimal data.
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$activity_object = array_intersect_key(
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$activity_object,
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array_flip(
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array(
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'id',
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'type',
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'actor',
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'object',
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)
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)
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);
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$to = Actors::get_by_resource( $to );
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$actor = Actors::get_by_resource( $actor );
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// Get inbox.
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$inbox = $to->get_shared_inbox();
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// Send "Ignore" activity.
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$activity = new Activity();
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$activity->set_type( 'Ignore' );
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$activity->set_object( $activity_object );
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$activity->set_actor( $actor->get_id() );
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$activity->set_to( $to );
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$activity->set_id( $actor->get_id() . '#ignore-' . \preg_replace( '~^https?://~', '', $activity_object['id'] ) );
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$activity = $activity->to_json();
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Http::post( $inbox, $activity, $actor->get__id() );
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}
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}
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@ -215,6 +215,10 @@ class Setup {
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return;
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}
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// Register the handler for incoming ActivityPub "Join" activities.
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add_action( 'init', array( \Event_Bridge_For_ActivityPub\ActivityPub\Handler\Join::class, 'init' ) );
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// Register the custom ActivityPub transformers.
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add_filter( 'activitypub_transformer', array( $this, 'register_activitypub_event_transformer' ), 10, 3 );
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}
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@ -3,7 +3,11 @@ Contributors: andremenrath
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Tags: events, fediverse, activitypub, calendar
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Requires at least: 6.5
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Tested up to: 6.7
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<<<<<<< HEAD
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Stable tag: 0.3.4
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=======
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Stable tag: 0.3.5
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>>>>>>> 4dd1d56daa487caa56755e874dd7e74995f0340a
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Requires PHP: 7.4
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License: AGPL-3.0-or-later
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License URI: https://www.gnu.org/licenses/agpl-3.0.html
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