Event-Federation/wordpress-activitypub
Event-Federation/wordpress-activitypub
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init

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This commit is contained in:
Matthias Pfefferle 2023-11-08 16:46:02 +01:00
parent 8078512b8c
commit 862bef1c16
16 changed files with 566 additions and 323 deletions
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2
activitypub.php
View file

@ -66,7 +66,7 @@ function plugin_init() {
\add_action( 'init', array( __NAMESPACE__ . '\Migration', 'init' ) ); \add_action( 'init', array( __NAMESPACE__ . '\Migration', 'init' ) );
\add_action( 'init', array( __NAMESPACE__ . '\Activitypub', 'init' ) ); \add_action( 'init', array( __NAMESPACE__ . '\Activitypub', 'init' ) );
\add_action( 'init', array( __NAMESPACE__ . '\Activity_Dispatcher', 'init' ) ); \add_action( 'init', array( __NAMESPACE__ . '\Activity_Dispatcher', 'init' ) );
\add_action( 'init', array( __NAMESPACE__ . '\Collection\Followers', 'init' ) ); \add_action( 'init', array( __NAMESPACE__ . '\Handler', 'init' ) );
\add_action( 'init', array( __NAMESPACE__ . '\Admin', 'init' ) ); \add_action( 'init', array( __NAMESPACE__ . '\Admin', 'init' ) );
\add_action( 'init', array( __NAMESPACE__ . '\Hashtag', 'init' ) ); \add_action( 'init', array( __NAMESPACE__ . '\Hashtag', 'init' ) );
\add_action( 'init', array( __NAMESPACE__ . '\Mention', 'init' ) ); \add_action( 'init', array( __NAMESPACE__ . '\Mention', 'init' ) );

3
composer.json
View file

@ -15,7 +15,8 @@
"yoast/phpunit-polyfills": "^2.0", "yoast/phpunit-polyfills": "^2.0",
"dealerdirect/phpcodesniffer-composer-installer": "^1.0.0", "dealerdirect/phpcodesniffer-composer-installer": "^1.0.0",
"sirbrillig/phpcs-variable-analysis": "^2.11", "sirbrillig/phpcs-variable-analysis": "^2.11",
"phpcsstandards/phpcsextra": "^1.1.0" "phpcsstandards/phpcsextra": "^1.1.0",
"dms/phpunit-arraysubset-asserts": "^0.4.0"
}, },
"config": { "config": {
"allow-plugins": true "allow-plugins": true

6
includes/activity/class-activity.php
View file

@ -194,6 +194,12 @@ class Activity extends Base_Object {
* @return void * @return void
*/ */
public function set_object( $object ) { public function set_object( $object ) {
// convert array to object
if ( is_array( $object ) ) {
$object = Base_Object::init_from_array( $object );
}
// set object
$this->set( 'object', $object ); $this->set( 'object', $object );
if ( ! is_object( $object ) ) { if ( ! is_object( $object ) ) {

4
includes/activity/class-base-object.php
View file

@ -585,7 +585,7 @@ class Base_Object {
foreach ( $array as $key => $value ) { foreach ( $array as $key => $value ) {
$key = camel_to_snake_case( $key ); $key = camel_to_snake_case( $key );
$object->set( $key, $value ); call_user_func( array( $object, 'set_' . $key ), $value );
} }
return $object; return $object;
@ -611,7 +611,7 @@ class Base_Object {
foreach ( $array as $key => $value ) { foreach ( $array as $key => $value ) {
if ( $value ) { if ( $value ) {
$key = camel_to_snake_case( $key ); $key = camel_to_snake_case( $key );
$this->set( $key, $value ); call_user_func( array( $this, 'set_' . $key ), $value );
} }
} }
} }

84
includes/class-activitypub.php
View file

@ -1,8 +1,12 @@
<?php <?php
namespace Activitypub; namespace Activitypub;
use Exception;
use Activitypub\Signature; use Activitypub\Signature;
use Activitypub\Collection\Users; use Activitypub\Collection\Users;
use Activitypub\Collection\Followers;
use function Activitypub\sanitize_url;
/** /**
* ActivityPub Class * ActivityPub Class
@ -34,6 +38,9 @@ class Activitypub {
\add_action( 'after_setup_theme', array( self::class, 'theme_compat' ), 99 ); \add_action( 'after_setup_theme', array( self::class, 'theme_compat' ), 99 );
\add_action( 'in_plugin_update_message-' . ACTIVITYPUB_PLUGIN_BASENAME, array( self::class, 'plugin_update_message' ) ); \add_action( 'in_plugin_update_message-' . ACTIVITYPUB_PLUGIN_BASENAME, array( self::class, 'plugin_update_message' ) );
// register several post_types
self::register_post_types();
} }
/** /**
@ -54,7 +61,6 @@ class Activitypub {
*/ */
public static function deactivate() { public static function deactivate() {
self::flush_rewrite_rules(); self::flush_rewrite_rules();
Scheduler::deregister_schedules(); Scheduler::deregister_schedules();
} }
@ -328,4 +334,80 @@ class Activitypub {
) )
); );
} }
/**
* Register the "Followers" Taxonomy
*
* @return void
*/
private static function register_post_types() {
register_post_type(
Followers::POST_TYPE,
array(
'labels' => array(
'name' => _x( 'Followers', 'post_type plural name', 'activitypub' ),
'singular_name' => _x( 'Follower', 'post_type single name', 'activitypub' ),
),
'public' => false,
'hierarchical' => false,
'rewrite' => false,
'query_var' => false,
'delete_with_user' => false,
'can_export' => true,
'supports' => array(),
)
);
register_post_meta(
Followers::POST_TYPE,
'activitypub_inbox',
array(
'type' => 'string',
'single' => true,
'sanitize_callback' => 'sanitize_url',
)
);
register_post_meta(
Followers::POST_TYPE,
'activitypub_errors',
array(
'type' => 'string',
'single' => false,
'sanitize_callback' => function( $value ) {
if ( ! is_string( $value ) ) {
throw new Exception( 'Error message is no valid string' );
}
return esc_sql( $value );
},
)
);
register_post_meta(
Followers::POST_TYPE,
'activitypub_user_id',
array(
'type' => 'string',
'single' => false,
'sanitize_callback' => function( $value ) {
return esc_sql( $value );
},
)
);
register_post_meta(
Followers::POST_TYPE,
'activitypub_actor_json',
array(
'type' => 'string',
'single' => true,
'sanitize_callback' => function( $value ) {
return sanitize_text_field( $value );
},
)
);
do_action( 'activitypub_after_register_post_type' );
}
} }

33
includes/class-handler.php Normal file
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@ -0,0 +1,33 @@
<?php
namespace Activitypub;
use Activitypub\Handler\Create;
use Activitypub\Handler\Delete;
use Activitypub\Handler\Follow;
use Activitypub\Handler\Undo;
use Activitypub\Handler\Update;
/**
* Handler class.
*/
class Handler {
/**
* Initialize the class, registering WordPress hooks
*/
public static function init() {
self::register_handlers();
}
/**
* Register handlers.
*/
public static function register_handlers() {
Create::init();
Delete::init();
Follow::init();
Undo::init();
Update::init();
do_action( 'activitypub_register_handlers' );
}
}

182
includes/collection/class-followers.php
View file

@ -2,14 +2,10 @@
namespace Activitypub\Collection; namespace Activitypub\Collection;
use WP_Error; use WP_Error;
use Exception;
use WP_Query; use WP_Query;
use Activitypub\Http; use Activitypub\Http;
use Activitypub\Webfinger; use Activitypub\Webfinger;
use Activitypub\Model\Follower; use Activitypub\Model\Follower;
use Activitypub\Collection\Users;
use Activitypub\Activity\Activity;
use Activitypub\Activity\Base_Object;
use function Activitypub\is_tombstone; use function Activitypub\is_tombstone;
use function Activitypub\get_remote_metadata_by_actor; use function Activitypub\get_remote_metadata_by_actor;
@ -24,136 +20,6 @@ class Followers {
const POST_TYPE = 'ap_follower'; const POST_TYPE = 'ap_follower';
const CACHE_KEY_INBOXES = 'follower_inboxes_%s'; const CACHE_KEY_INBOXES = 'follower_inboxes_%s';
/**
* Register WordPress hooks/actions and register Taxonomy
*
* @return void
*/
public static function init() {
// register "followers" post_type
self::register_post_type();
\add_action( 'activitypub_inbox_follow', array( self::class, 'handle_follow_request' ), 10, 2 );
\add_action( 'activitypub_inbox_undo', array( self::class, 'handle_undo_request' ), 10, 2 );
\add_action( 'activitypub_followers_post_follow', array( self::class, 'send_follow_response' ), 10, 4 );
}
/**
* Register the "Followers" Taxonomy
*
* @return void
*/
private static function register_post_type() {
register_post_type(
self::POST_TYPE,
array(
'labels' => array(
'name' => _x( 'Followers', 'post_type plural name', 'activitypub' ),
'singular_name' => _x( 'Follower', 'post_type single name', 'activitypub' ),
),
'public' => false,
'hierarchical' => false,
'rewrite' => false,
'query_var' => false,
'delete_with_user' => false,
'can_export' => true,
'supports' => array(),
)
);
register_post_meta(
self::POST_TYPE,
'activitypub_inbox',
array(
'type' => 'string',
'single' => true,
'sanitize_callback' => array( self::class, 'sanitize_url' ),
)
);
register_post_meta(
self::POST_TYPE,
'activitypub_errors',
array(
'type' => 'string',
'single' => false,
'sanitize_callback' => function( $value ) {
if ( ! is_string( $value ) ) {
throw new Exception( 'Error message is no valid string' );
}
return esc_sql( $value );
},
)
);
register_post_meta(
self::POST_TYPE,
'activitypub_user_id',
array(
'type' => 'string',
'single' => false,
'sanitize_callback' => function( $value ) {
return esc_sql( $value );
},
)
);
register_post_meta(
self::POST_TYPE,
'activitypub_actor_json',
array(
'type' => 'string',
'single' => true,
'sanitize_callback' => function( $value ) {
return sanitize_text_field( $value );
},
)
);
do_action( 'activitypub_after_register_post_type' );
}
public static function sanitize_url( $value ) {
if ( filter_var( $value, FILTER_VALIDATE_URL ) === false ) {
return null;
}
return esc_url_raw( $value );
}
/**
* Handle the "Follow" Request
*
* @param array $object The JSON "Follow" Activity
* @param int $user_id The ID of the ID of the WordPress User
*
* @return void
*/
public static function handle_follow_request( $object, $user_id ) {
// save follower
$follower = self::add_follower( $user_id, $object['actor'] );
do_action( 'activitypub_followers_post_follow', $object['actor'], $object, $user_id, $follower );
}
/**
* Handle "Unfollow" requests
*
* @param array $object The JSON "Undo" Activity
* @param int $user_id The ID of the ID of the WordPress User
*/
public static function handle_undo_request( $object, $user_id ) {
if (
isset( $object['object'] ) &&
isset( $object['object']['type'] ) &&
'Follow' === $object['object']['type']
) {
self::remove_follower( $user_id, $object['actor'] );
}
}
/** /**
* Add new Follower * Add new Follower
* *
@ -243,54 +109,6 @@ class Followers {
return null; return null;
} }
/**
* Send Accept response
*
* @param string $actor The Actor URL
* @param array $object The Activity object
* @param int $user_id The ID of the WordPress User
* @param Activitypub\Model\Follower $follower The Follower object
*
* @return void
*/
public static function send_follow_response( $actor, $object, $user_id, $follower ) {
if ( is_wp_error( $follower ) ) {
// it is not even possible to send a "Reject" because
// we can not get the Remote-Inbox
return;
}
// only send minimal data
$object = array_intersect_key(
$object,
array_flip(
array(
'id',
'type',
'actor',
'object',
)
)
);
$user = Users::get_by_id( $user_id );
// get inbox
$inbox = $follower->get_shared_inbox();
// send "Accept" activity
$activity = new Activity();
$activity->set_type( 'Accept' );
$activity->set_object( $object );
$activity->set_actor( $user->get_id() );
$activity->set_to( $actor );
$activity->set_id( $user->get_id() . '#follow-' . \preg_replace( '~^https?://~', '', $actor ) . '-' . \time() );
$activity = $activity->to_json();
Http::post( $inbox, $activity, $user_id );
}
/** /**
* Get the Followers of a given user * Get the Followers of a given user
* *

75
includes/functions.php
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@ -474,3 +474,78 @@ function is_json( $data ) {
function is_blog_public() { function is_blog_public() {
return (bool) apply_filters( 'activitypub_is_blog_public', \get_option( 'blog_public', 1 ) ); return (bool) apply_filters( 'activitypub_is_blog_public', \get_option( 'blog_public', 1 ) );
} }
/**
* Sanitize a URL
*
* @param string $value The URL to sanitize
*
* @return string|null The sanitized URL or null if invalid
*/
function sanitize_url( $value ) {
if ( filter_var( $value, FILTER_VALIDATE_URL ) === false ) {
return null;
}
return esc_url_raw( $value );
}
/**
* Extract recipient URLs from Activity object
*
* @param array $data
*
* @return array The list of user URLs
*/
function extract_recipients_from_activity( $data ) {
$recipient_items = array();
foreach ( array( 'to', 'bto', 'cc', 'bcc', 'audience' ) as $i ) {
if ( array_key_exists( $i, $data ) ) {
if ( is_array( $data[ $i ] ) ) {
$recipient = $data[ $i ];
} else {
$recipient = array( $data[ $i ] );
}
$recipient_items = array_merge( $recipient_items, $recipient );
}
if ( is_array( $data['object'] ) && array_key_exists( $i, $data['object'] ) ) {
if ( is_array( $data['object'][ $i ] ) ) {
$recipient = $data['object'][ $i ];
} else {
$recipient = array( $data['object'][ $i ] );
}
$recipient_items = array_merge( $recipient_items, $recipient );
}
}
$recipients = array();
// flatten array
foreach ( $recipient_items as $recipient ) {
if ( is_array( $recipient ) ) {
// check if recipient is an object
if ( array_key_exists( 'id', $recipient ) ) {
$recipients[] = $recipient['id'];
}
} else {
$recipients[] = $recipient;
}
}
return array_unique( $recipients );
}
/**
* Check if passed Activity is Public
*
* @param array $data The Activity object as array
*
* @return boolean True if public, false if not
*/
function is_activity_public( $data ) {
$recipients = extract_recipients_from_activity( $data );
return in_array( 'https://www.w3.org/ns/activitystreams#Public', $recipients, true );
}

118
includes/handler/class-create.php Normal file
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@ -0,0 +1,118 @@
<?php
namespace Activitypub\Handler;
use function Activitypub\is_activity_public;
use function Activitypub\get_remote_metadata_by_actor;
/**
* Handle Create requests
*/
class Create {
/**
* Initialize the class, registering WordPress hooks
*/
public static function init() {
\add_action( 'activitypub_inbox_create', array( self::class, 'handle_create' ), 10, 2 );
}
/**
* Handles "Create" requests
*
* @param array $activity The activity-object
* @param int $user_id The id of the local blog-user
*/
public static function handle_create( $activity, $user_id ) {
$meta = get_remote_metadata_by_actor( $activity['actor'] );
if ( ! isset( $activity['object']['inReplyTo'] ) ) {
return;
}
// check if Activity is public or not
if ( ! is_activity_public( $activity ) ) {
// @todo maybe send email
return;
}
$comment_post_id = \url_to_postid( $activity['object']['inReplyTo'] );
// save only replys and reactions
if ( ! $comment_post_id ) {
return false;
}
$commentdata = array(
'comment_post_ID' => $comment_post_id,
'comment_author' => \esc_attr( $meta['name'] ),
'comment_author_url' => \esc_url_raw( $activity['actor'] ),
'comment_content' => \wp_filter_kses( $activity['object']['content'] ),
'comment_type' => 'comment',
'comment_author_email' => '',
'comment_parent' => 0,
'comment_meta' => array(
'source_url' => \esc_url_raw( $activity['object']['url'] ),
'avatar_url' => \esc_url_raw( $meta['icon']['url'] ),
'protocol' => 'activitypub',
),
);
// 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';
}
);
$state = \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 );
\do_action( 'activitypub_handled_create', $activity, $user_id, $state, $commentdata );
}
/**
* Handles "Create" requests
*
* @param array $object The activity-object
* @param int $user_id The id of the local blog-user
*/
public static function handle_create_alt( $object, $user_id ) {
$commentdata = self::convert_object_to_comment_data( $object, $user_id );
if ( ! $commentdata ) {
return false;
}
// 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';
}
);
$state = \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 );
do_action( 'activitypub_handled_create', $object, $user_id, $state, $commentdata );
}
}

54
includes/handler/class-delete.php Normal file
View file

@ -0,0 +1,54 @@
<?php
namespace Activitypub\Handler;
use Activitypub\Collection\Followers;
/**
* Handles Delete requests.
*/
class Delete {
/**
* Initialize the class, registering WordPress hooks
*/
public static function init() {
\add_action( 'activitypub_inbox_delete', array( self::class, 'handle_delete' ), 10, 2 );
}
/**
* Handles "Delete" requests.
*
* @param array $activity The delete activity.
* @param int $user_id The ID of the user performing the delete activity.
*/
public function handle_delete( $activity, $user_id ) {
if ( ! isset( $activity['object'] ) || ! is_array( $activity['object'] ) ) {
return;
}
$object_type = isset( $activity['object']['type'] ) ? $activity['object']['type'] : '';
switch ( $object_type ) {
case 'Person':
case 'Group':
case 'Organization':
case 'Service':
case 'Application':
Followers::remove_follower( $activity['object']['id'], $user_id );
break;
case 'Tombstone':
// Handle tombstone.
break;
case 'Note':
case 'Article':
case 'Image':
case 'Audio':
case 'Video':
case 'Event':
case 'Document':
default:
// Handle delete activity for other object types.
break;
}
}
}

81
includes/handler/class-follow.php Normal file
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@ -0,0 +1,81 @@
<?php
namespace Activitypub\Handler;
use Activitypub\Http;
use Activitypub\Collection\Users;
use Activitypub\Activity\Activity;
use Activitypub\Collection\Followers;
/**
* Handle Follow requests
*/
class Follow {
/**
* Initialize the class, registering WordPress hooks
*/
public static function init() {
\add_action( 'activitypub_inbox_follow', array( self::class, 'handle_follow_request' ), 10, 2 );
\add_action( 'activitypub_followers_post_follow', array( self::class, 'send_follow_response' ), 10, 4 );
}
/**
* Handle "Follow" requests
*
* @param array $activity The activity object
* @param int $user_id The user ID
*/
public function handle_follow( $activity, $user_id ) {
// save follower
$follower = Followers::add_follower( $user_id, $activity['actor'] );
do_action( 'activitypub_followers_post_follow', $activity['actor'], $activity, $user_id, $follower );
}
/**
* Send Accept response
*
* @param string $actor The Actor URL
* @param array $object The Activity object
* @param int $user_id The ID of the WordPress User
* @param Activitypub\Model\Follower $follower The Follower object
*
* @return void
*/
public static function send_follow_response( $actor, $object, $user_id, $follower ) {
if ( \is_wp_error( $follower ) ) {
// it is not even possible to send a "Reject" because
// we can not get the Remote-Inbox
return;
}
// only send minimal data
$object = array_intersect_key(
$object,
array_flip(
array(
'id',
'type',
'actor',
'object',
)
)
);
$user = Users::get_by_id( $user_id );
// get inbox
$inbox = $follower->get_shared_inbox();
// send "Accept" activity
$activity = new Activity();
$activity->set_type( 'Accept' );
$activity->set_object( $object );
$activity->set_actor( $user->get_id() );
$activity->set_to( $actor );
$activity->set_id( $user->get_id() . '#follow-' . \preg_replace( '~^https?://~', '', $actor ) . '-' . \time() );
$activity = $activity->to_json();
Http::post( $inbox, $activity, $user_id );
}
}

32
includes/handler/class-undo.php Normal file
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@ -0,0 +1,32 @@
<?php
namespace Activitypub\Handler;
use Activitypub\Collection\Followers;
/**
* Handle Undo requests
*/
class Undo {
/**
* Initialize the class, registering WordPress hooks
*/
public static function init() {
\add_action( 'activitypub_inbox_undo', array( self::class, 'handle_undo' ), 10, 2 );
}
/**
* Handle "Unfollow" requests
*
* @param array $activity The JSON "Undo" Activity
* @param int $user_id The ID of the ID of the WordPress User
*/
public static function handle_undo( $activity, $user_id ) {
if (
isset( $activity['object'] ) &&
isset( $activity['object']['type'] ) &&
'Follow' === $activity['object']['type']
) {
Followers::remove_follower( $user_id, $activity['actor'] );
}
}
}

45
includes/handler/class-update.php Normal file
View file

@ -0,0 +1,45 @@
<?php
namespace Activitypub\Handler;
use WP_Error;
use WP_REST_Request;
use WP_REST_Response;
/**
* Handle Update requests.
*/
class Update {
/**
* Initialize the class, registering WordPress hooks
*/
public static function init() {
\add_action( 'activitypub_inbox_update', array( self::class, 'handle_update' ), 10 );
}
/**
* Handle "Update" requests
*
* @param array $activity The JSON "Undo" Activity
*/
public static function handle_update( $activity ) {
// Get the post object.
$post = null;
// Check if the post exists.
if ( ! $post ) {
return new WP_Error( 'activitypub_post_not_found', __( 'Post not found.', 'activitypub' ), array( 'status' => 404 ) );
}
// Check if the user has permission to edit the post.
if ( ! \current_user_can( 'edit_post', $post->ID ) ) {
return new WP_Error( 'activitypub_permission_denied', __( 'You do not have permission to edit this post.', 'activitypub' ), array( 'status' => 403 ) );
}
// Update the post content.
$post_data = array(
'ID' => $post->ID,
'post_content' => $activity['object']['content'],
);
wp_update_post( $post_data );
}
}

149
includes/rest/class-inbox.php
View file

@ -11,6 +11,7 @@ use function Activitypub\get_context;
use function Activitypub\url_to_authorid; use function Activitypub\url_to_authorid;
use function Activitypub\get_rest_url_by_path; use function Activitypub\get_rest_url_by_path;
use function Activitypub\get_remote_metadata_by_actor; use function Activitypub\get_remote_metadata_by_actor;
use function Activitypub\extract_recipients_from_activity;
/** /**
* ActivityPub Inbox REST-Class * ActivityPub Inbox REST-Class
@ -130,12 +131,13 @@ class Inbox {
return $user; return $user;
} }
$data = $request->get_json_params(); $data = $request->get_json_params();
$type = $request->get_param( 'type' ); $activity = Activity::init_from_array( $data );
$type = \strtolower( $type ); $type = $request->get_param( 'type' );
$type = \strtolower( $type );
\do_action( 'activitypub_inbox', $data, $user->get__id(), $type ); \do_action( 'activitypub_inbox', $data, $user->get__id(), $type, $activity );
\do_action( "activitypub_inbox_{$type}", $data, $user->get__id() ); \do_action( "activitypub_inbox_{$type}", $data, $user->get__id(), $activity );
$rest_response = new WP_REST_Response( array(), 202 ); $rest_response = new WP_REST_Response( array(), 202 );
$rest_response->header( 'Content-Type', 'application/activity+json; charset=' . get_option( 'blog_charset' ) ); $rest_response->header( 'Content-Type', 'application/activity+json; charset=' . get_option( 'blog_charset' ) );
@ -151,9 +153,10 @@ class Inbox {
* @return WP_REST_Response * @return WP_REST_Response
*/ */
public static function shared_inbox_post( $request ) { public static function shared_inbox_post( $request ) {
$data = $request->get_json_params(); $data = $request->get_json_params();
$type = $request->get_param( 'type' ); $activity = Activity::init_from_array( $data );
$users = self::extract_recipients( $data ); $type = $request->get_param( 'type' );
$users = self::get_recipients( $data );
if ( ! $users ) { if ( ! $users ) {
return new WP_Error( return new WP_Error(
@ -181,8 +184,8 @@ class Inbox {
$type = \strtolower( $type ); $type = \strtolower( $type );
\do_action( 'activitypub_inbox', $data, $user->ID, $type ); \do_action( 'activitypub_inbox', $data, $user->ID, $type, $activity );
\do_action( "activitypub_inbox_{$type}", $data, $user->ID ); \do_action( "activitypub_inbox_{$type}", $data, $user->ID, $activity );
} }
$rest_response = new WP_REST_Response( array(), 202 ); $rest_response = new WP_REST_Response( array(), 202 );
@ -336,118 +339,6 @@ class Inbox {
return $params; return $params;
} }
/**
* Handles "Create" requests
*
* @param array $object The activity-object
* @param int $user_id The id of the local blog-user
*/
public static function handle_create( $object, $user_id ) {
$meta = get_remote_metadata_by_actor( $object['actor'] );
if ( ! isset( $object['object']['inReplyTo'] ) ) {
return;
}
// check if Activity is public or not
if ( ! self::is_activity_public( $object ) ) {
// @todo maybe send email
return;
}
$comment_post_id = \url_to_postid( $object['object']['inReplyTo'] );
// save only replys and reactions
if ( ! $comment_post_id ) {
return false;
}
$commentdata = array(
'comment_post_ID' => $comment_post_id,
'comment_author' => \esc_attr( $meta['name'] ),
'comment_author_url' => \esc_url_raw( $object['actor'] ),
'comment_content' => \wp_filter_kses( $object['object']['content'] ),
'comment_type' => 'comment',
'comment_author_email' => '',
'comment_parent' => 0,
'comment_meta' => array(
'source_url' => \esc_url_raw( $object['object']['url'] ),
'avatar_url' => \esc_url_raw( $meta['icon']['url'] ),
'protocol' => 'activitypub',
),
);
// 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';
}
);
$state = \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 );
do_action( 'activitypub_handled_create', $object, $user_id, $state, $commentdata );
}
/**
* Extract recipient URLs from Activity object
*
* @param array $data
*
* @return array The list of user URLs
*/
public static function extract_recipients( $data ) {
$recipient_items = array();
foreach ( array( 'to', 'bto', 'cc', 'bcc', 'audience' ) as $i ) {
if ( array_key_exists( $i, $data ) ) {
if ( is_array( $data[ $i ] ) ) {
$recipient = $data[ $i ];
} else {
$recipient = array( $data[ $i ] );
}
$recipient_items = array_merge( $recipient_items, $recipient );
}
if ( is_array( $data['object'] ) && array_key_exists( $i, $data['object'] ) ) {
if ( is_array( $data['object'][ $i ] ) ) {
$recipient = $data['object'][ $i ];
} else {
$recipient = array( $data['object'][ $i ] );
}
$recipient_items = array_merge( $recipient_items, $recipient );
}
}
$recipients = array();
// flatten array
foreach ( $recipient_items as $recipient ) {
if ( is_array( $recipient ) ) {
// check if recipient is an object
if ( array_key_exists( 'id', $recipient ) ) {
$recipients[] = $recipient['id'];
}
} else {
$recipients[] = $recipient;
}
}
return array_unique( $recipients );
}
/** /**
* Get local user recipients * Get local user recipients
* *
@ -456,7 +347,7 @@ class Inbox {
* @return array The list of local users * @return array The list of local users
*/ */
public static function get_recipients( $data ) { public static function get_recipients( $data ) {
$recipients = self::extract_recipients( $data ); $recipients = extract_recipients_from_activity( $data );
$users = array(); $users = array();
foreach ( $recipients as $recipient ) { foreach ( $recipients as $recipient ) {
@ -471,16 +362,4 @@ class Inbox {
return $users; return $users;
} }
/**
* Check if passed Activity is Public
*
* @param array $data
* @return boolean
*/
public static function is_activity_public( $data ) {
$recipients = self::extract_recipients( $data );
return in_array( 'https://www.w3.org/ns/activitystreams#Public', $recipients, true );
}
} }

19
tests/test-class-activitypub-activity.php
View file

@ -1,4 +1,6 @@
<?php <?php
use DMS\PHPUnitExtensions\ArraySubset\Assert;
class Test_Activitypub_Activity extends WP_UnitTestCase { class Test_Activitypub_Activity extends WP_UnitTestCase {
public function test_activity_mentions() { public function test_activity_mentions() {
$post = \wp_insert_post( $post = \wp_insert_post(
@ -42,4 +44,21 @@ class Test_Activitypub_Activity extends WP_UnitTestCase {
$this->assertEquals( 'Hello world!', $object->get_content() ); $this->assertEquals( 'Hello world!', $object->get_content() );
$this->assertEquals( $test_array, $object->to_array() ); $this->assertEquals( $test_array, $object->to_array() );
} }
public function test_activity_object() {
$test_array = array(
'id' => 'https://example.com/post/123',
'type' => 'Create',
'object' => array(
'id' => 'https://example.com/post/123/activity',
'type' => 'Note',
'content' => 'Hello world!',
),
);
$activity = \Activitypub\Activity\Activity::init_from_array( $test_array );
$this->assertEquals( 'Hello world!', $activity->get_object()->get_content() );
Assert::assertArraySubset( $test_array, $activity->to_array() );
}
} }

2
tests/test-class-activitypub-rest-inbox.php
View file

@ -5,7 +5,7 @@ class Test_Activitypub_Rest_Inbox extends WP_UnitTestCase {
*/ */
public function test_is_activity_public( $data, $check ) { public function test_is_activity_public( $data, $check ) {
$this->assertEquals( $check, Activitypub\Rest\Inbox::is_activity_public( $data ) ); $this->assertEquals( $check, Activitypub\is_activity_public( $data ) );
} }
public function the_data_provider() { public function the_data_provider() {