modified file plugins

This commit is contained in:
2023-10-22 22:21:44 +00:00
committed by Gitium
parent c72a65abc1
commit 96c0ee892f
4817 changed files with 752216 additions and 0 deletions

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<?php
namespace Activitypub\Rest;
/**
* ActivityPub Followers REST-Class
*
* @author Matthias Pfefferle
*
* @see https://www.w3.org/TR/activitypub/#followers
*/
class Followers {
/**
* Initialize the class, registering WordPress hooks
*/
public static function init() {
\add_action( 'rest_api_init', array( '\Activitypub\Rest\Followers', 'register_routes' ) );
}
/**
* Register routes
*/
public static function register_routes() {
\register_rest_route(
'activitypub/1.0',
'/users/(?P<user_id>\d+)/followers',
array(
array(
'methods' => \WP_REST_Server::READABLE,
'callback' => array( '\Activitypub\Rest\Followers', 'get' ),
'args' => self::request_parameters(),
'permission_callback' => '__return_true',
),
)
);
}
/**
* Handle GET request
*
* @param WP_REST_Request $request
*
* @return WP_REST_Response
*/
public static function get( $request ) {
$user_id = $request->get_param( 'user_id' );
$user = \get_user_by( 'ID', $user_id );
if ( ! $user ) {
return new \WP_Error(
'rest_invalid_param',
\__( 'User not found', 'activitypub' ),
array(
'status' => 404,
'params' => array(
'user_id' => \__( 'User not found', 'activitypub' ),
),
)
);
}
/*
* Action triggerd prior to the ActivityPub profile being created and sent to the client
*/
\do_action( 'activitypub_outbox_pre' );
$json = new \stdClass();
$json->{'@context'} = \Activitypub\get_context();
$json->id = \home_url( \add_query_arg( null, null ) );
$json->generator = 'http://wordpress.org/?v=' . \get_bloginfo_rss( 'version' );
$json->actor = \get_author_posts_url( $user_id );
$json->type = 'OrderedCollectionPage';
$json->partOf = \get_rest_url( null, "/activitypub/1.0/users/$user_id/followers" ); // phpcs:ignore
$json->totalItems = \Activitypub\count_followers( $user_id ); // phpcs:ignore
$json->orderedItems = \Activitypub\Peer\Followers::get_followers( $user_id ); // phpcs:ignore
$json->first = $json->partOf; // phpcs:ignore
$json->first = \get_rest_url( null, "/activitypub/1.0/users/$user_id/followers" );
$response = new \WP_REST_Response( $json, 200 );
$response->header( 'Content-Type', 'application/activity+json' );
return $response;
}
/**
* The supported parameters
*
* @return array list of parameters
*/
public static function request_parameters() {
$params = array();
$params['page'] = array(
'type' => 'integer',
);
$params['user_id'] = array(
'required' => true,
'type' => 'integer',
'validate_callback' => function( $param, $request, $key ) {
return user_can( $param, 'publish_posts' );
},
);
return $params;
}
}

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<?php
namespace Activitypub\Rest;
/**
* ActivityPub Following REST-Class
*
* @author Matthias Pfefferle
*
* @see https://www.w3.org/TR/activitypub/#following
*/
class Following {
/**
* Initialize the class, registering WordPress hooks
*/
public static function init() {
\add_action( 'rest_api_init', array( '\Activitypub\Rest\Following', 'register_routes' ) );
}
/**
* Register routes
*/
public static function register_routes() {
\register_rest_route(
'activitypub/1.0',
'/users/(?P<user_id>\d+)/following',
array(
array(
'methods' => \WP_REST_Server::READABLE,
'callback' => array( '\Activitypub\Rest\Following', 'get' ),
'args' => self::request_parameters(),
'permission_callback' => '__return_true',
),
)
);
}
/**
* Handle GET request
*
* @param WP_REST_Request $request
*
* @return WP_REST_Response
*/
public static function get( $request ) {
$user_id = $request->get_param( 'user_id' );
$user = \get_user_by( 'ID', $user_id );
if ( ! $user ) {
return new \WP_Error(
'rest_invalid_param',
\__( 'User not found', 'activitypub' ),
array(
'status' => 404,
'params' => array(
'user_id' => \__( 'User not found', 'activitypub' ),
),
)
);
}
/*
* Action triggerd prior to the ActivityPub profile being created and sent to the client
*/
\do_action( 'activitypub_outbox_pre' );
$json = new \stdClass();
$json->{'@context'} = \Activitypub\get_context();
$json->id = \home_url( \add_query_arg( null, null ) );
$json->generator = 'http://wordpress.org/?v=' . \get_bloginfo_rss( 'version' );
$json->actor = \get_author_posts_url( $user_id );
$json->type = 'OrderedCollectionPage';
$json->partOf = \get_rest_url( null, "/activitypub/1.0/users/$user_id/following" ); // phpcs:ignore
$json->totalItems = 0; // phpcs:ignore
$json->orderedItems = apply_filters( 'activitypub_following', array(), $user ); // phpcs:ignore
$json->first = $json->partOf; // phpcs:ignore
$response = new \WP_REST_Response( $json, 200 );
$response->header( 'Content-Type', 'application/activity+json' );
return $response;
}
/**
* The supported parameters
*
* @return array list of parameters
*/
public static function request_parameters() {
$params = array();
$params['page'] = array(
'type' => 'integer',
);
$params['user_id'] = array(
'required' => true,
'type' => 'integer',
'validate_callback' => function( $param, $request, $key ) {
return user_can( $param, 'publish_posts' );
},
);
return $params;
}
}

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<?php
namespace Activitypub\Rest;
/**
* ActivityPub Inbox REST-Class
*
* @author Matthias Pfefferle
*
* @see https://www.w3.org/TR/activitypub/#inbox
*/
class Inbox {
/**
* Initialize the class, registering WordPress hooks
*/
public static function init() {
\add_action( 'rest_api_init', array( '\Activitypub\Rest\Inbox', 'register_routes' ) );
\add_filter( 'rest_pre_serve_request', array( '\Activitypub\Rest\Inbox', 'serve_request' ), 11, 4 );
\add_action( 'activitypub_inbox_follow', array( '\Activitypub\Rest\Inbox', 'handle_follow' ), 10, 2 );
\add_action( 'activitypub_inbox_undo', array( '\Activitypub\Rest\Inbox', 'handle_unfollow' ), 10, 2 );
//\add_action( 'activitypub_inbox_like', array( '\Activitypub\Rest\Inbox', 'handle_reaction' ), 10, 2 );
//\add_action( 'activitypub_inbox_announce', array( '\Activitypub\Rest\Inbox', 'handle_reaction' ), 10, 2 );
\add_action( 'activitypub_inbox_create', array( '\Activitypub\Rest\Inbox', 'handle_create' ), 10, 2 );
}
/**
* Register routes
*/
public static function register_routes() {
\register_rest_route(
'activitypub/1.0',
'/inbox',
array(
array(
'methods' => \WP_REST_Server::EDITABLE,
'callback' => array( '\Activitypub\Rest\Inbox', 'shared_inbox_post' ),
'args' => self::shared_inbox_post_parameters(),
'permission_callback' => '__return_true',
),
)
);
\register_rest_route(
'activitypub/1.0',
'/users/(?P<user_id>\d+)/inbox',
array(
array(
'methods' => \WP_REST_Server::EDITABLE,
'callback' => array( '\Activitypub\Rest\Inbox', 'user_inbox_post' ),
'args' => self::user_inbox_post_parameters(),
'permission_callback' => '__return_true',
),
array(
'methods' => \WP_REST_Server::READABLE,
'callback' => array( '\Activitypub\Rest\Inbox', 'user_inbox_get' ),
'args' => self::user_inbox_get_parameters(),
'permission_callback' => '__return_true',
),
)
);
}
/**
* Hooks into the REST API request to verify the signature.
*
* @param bool $served Whether the request has already been served.
* @param WP_HTTP_ResponseInterface $result Result to send to the client. Usually a WP_REST_Response.
* @param WP_REST_Request $request Request used to generate the response.
* @param WP_REST_Server $server Server instance.
*
* @return true
*/
public static function serve_request( $served, $result, $request, $server ) {
if ( '/activitypub' !== \substr( $request->get_route(), 0, 12 ) ) {
return $served;
}
$signature = $request->get_header( 'signature' );
if ( ! $signature ) {
return $served;
}
$headers = $request->get_headers();
// verify signature
//\Activitypub\Signature::verify_signature( $headers, $key );
return $served;
}
/**
* Renders the user-inbox
*
* @param WP_REST_Request $request
* @return WP_REST_Response
*/
public static function user_inbox_get( $request ) {
$user_id = $request->get_param( 'user_id' );
$page = $request->get_param( 'page', 0 );
/*
* Action triggerd prior to the ActivityPub profile being created and sent to the client
*/
\do_action( 'activitypub_inbox_pre' );
$json = new \stdClass();
$json->{'@context'} = \Activitypub\get_context();
$json->id = \home_url( \add_query_arg( null, null ) );
$json->generator = 'http://wordpress.org/?v=' . \get_bloginfo_rss( 'version' );
$json->type = 'OrderedCollectionPage';
$json->partOf = \get_rest_url( null, "/activitypub/1.0/users/$user_id/inbox" ); // phpcs:ignore
$json->totalItems = 0; // phpcs:ignore
$json->orderedItems = array(); // phpcs:ignore
$json->first = $json->partOf; // phpcs:ignore
// filter output
$json = \apply_filters( 'activitypub_inbox_array', $json );
/*
* Action triggerd after the ActivityPub profile has been created and sent to the client
*/
\do_action( 'activitypub_inbox_post' );
$response = new \WP_REST_Response( $json, 200 );
$response->header( 'Content-Type', 'application/activity+json' );
return $response;
}
/**
* Handles user-inbox requests
*
* @param WP_REST_Request $request
*
* @return WP_REST_Response
*/
public static function user_inbox_post( $request ) {
$user_id = $request->get_param( 'user_id' );
$data = $request->get_params();
$type = $request->get_param( 'type' );
$type = \strtolower( $type );
\do_action( 'activitypub_inbox', $data, $user_id, $type );
\do_action( "activitypub_inbox_{$type}", $data, $user_id );
return new \WP_REST_Response( array(), 202 );
}
/**
* The shared inbox
*
* @param WP_REST_Request $request
*
* @return WP_REST_Response
*/
public static function shared_inbox_post( $request ) {
$data = $request->get_params();
$type = $request->get_param( 'type' );
$users = self::extract_recipients( $data );
if ( ! $users ) {
return new \WP_Error(
'rest_invalid_param',
\__( 'No recipients found', 'activitypub' ),
array(
'status' => 404,
'params' => array(
'to' => \__( 'Please check/validate "to" field', 'activitypub' ),
'bto' => \__( 'Please check/validate "bto" field', 'activitypub' ),
'cc' => \__( 'Please check/validate "cc" field', 'activitypub' ),
'bcc' => \__( 'Please check/validate "bcc" field', 'activitypub' ),
'audience' => \__( 'Please check/validate "audience" field', 'activitypub' ),
),
)
);
}
foreach ( $users as $user ) {
$type = \strtolower( $type );
\do_action( 'activitypub_inbox', $data, $user->ID, $type );
\do_action( "activitypub_inbox_{$type}", $data, $user->ID );
}
return new \WP_REST_Response( array(), 202 );
}
/**
* The supported parameters
*
* @return array list of parameters
*/
public static function user_inbox_get_parameters() {
$params = array();
$params['page'] = array(
'type' => 'integer',
);
$params['user_id'] = array(
'required' => true,
'type' => 'integer',
'validate_callback' => function( $param, $request, $key ) {
return user_can( $param, 'publish_posts' );
},
);
return $params;
}
/**
* The supported parameters
*
* @return array list of parameters
*/
public static function user_inbox_post_parameters() {
$params = array();
$params['page'] = array(
'type' => 'integer',
);
$params['user_id'] = array(
'required' => true,
'type' => 'integer',
'validate_callback' => function( $param, $request, $key ) {
return user_can( $param, 'publish_posts' );
},
);
$params['id'] = array(
'required' => true,
'sanitize_callback' => 'esc_url_raw',
);
$params['actor'] = array(
'required' => true,
'sanitize_callback' => function( $param, $request, $key ) {
if ( ! \is_string( $param ) ) {
$param = $param['id'];
}
return \esc_url_raw( $param );
},
);
$params['type'] = array(
'required' => true,
//'type' => 'enum',
//'enum' => array( 'Create' ),
//'sanitize_callback' => function( $param, $request, $key ) {
// return \strtolower( $param );
//},
);
$params['object'] = array(
'required' => true,
);
return $params;
}
/**
* The supported parameters
*
* @return array list of parameters
*/
public static function shared_inbox_post_parameters() {
$params = array();
$params['page'] = array(
'type' => 'integer',
);
$params['id'] = array(
'required' => true,
'type' => 'string',
'sanitize_callback' => 'esc_url_raw',
);
$params['actor'] = array(
'required' => true,
//'type' => array( 'object', 'string' ),
'sanitize_callback' => function( $param, $request, $key ) {
if ( ! \is_string( $param ) ) {
$param = $param['id'];
}
return \esc_url_raw( $param );
},
);
$params['type'] = array(
'required' => true,
//'type' => 'enum',
//'enum' => array( 'Create' ),
//'sanitize_callback' => function( $param, $request, $key ) {
// return \strtolower( $param );
//},
);
$params['object'] = array(
'required' => true,
//'type' => 'object',
);
$params['to'] = array(
'required' => false,
'sanitize_callback' => function( $param, $request, $key ) {
if ( \is_string( $param ) ) {
$param = array( $param );
}
return $param;
},
);
$params['cc'] = array(
'sanitize_callback' => function( $param, $request, $key ) {
if ( \is_string( $param ) ) {
$param = array( $param );
}
return $param;
},
);
$params['bcc'] = array(
'sanitize_callback' => function( $param, $request, $key ) {
if ( \is_string( $param ) ) {
$param = array( $param );
}
return $param;
},
);
return $params;
}
/**
* Handles "Follow" requests
*
* @param array $object The activity-object
* @param int $user_id The id of the local blog-user
*/
public static function handle_follow( $object, $user_id ) {
// save follower
\Activitypub\Peer\Followers::add_follower( $object['actor'], $user_id );
// get inbox
$inbox = \Activitypub\get_inbox_by_actor( $object['actor'] );
// send "Accept" activity
$activity = new \Activitypub\Model\Activity( 'Accept', \Activitypub\Model\Activity::TYPE_SIMPLE );
$activity->set_object( $object );
$activity->set_actor( \get_author_posts_url( $user_id ) );
$activity->set_to( $object['actor'] );
$activity->set_id( \get_author_posts_url( $user_id ) . '#follow-' . \preg_replace( '~^https?://~', '', $object['actor'] ) );
$activity = $activity->to_simple_json();
$response = \Activitypub\safe_remote_post( $inbox, $activity, $user_id );
}
/**
* Handles "Unfollow" requests
*
* @param array $object The activity-object
* @param int $user_id The id of the local blog-user
*/
public static function handle_unfollow( $object, $user_id ) {
if ( isset( $object['object'] ) && isset( $object['object']['type'] ) && 'Follow' === $object['object']['type'] ) {
\Activitypub\Peer\Followers::remove_follower( $object['actor'], $user_id );
}
}
/**
* Handles "Reaction" requests
*
* @param array $object The activity-object
* @param int $user_id The id of the local blog-user
*/
public static function handle_reaction( $object, $user_id ) {
$meta = \Activitypub\get_remote_metadata_by_actor( $object['actor'] );
$comment_post_id = \url_to_postid( $object['object'] );
// 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_email' => '',
'comment_author_url' => \esc_url_raw( $object['actor'] ),
'comment_content' => \esc_url_raw( $object['actor'] ),
'comment_type' => \esc_attr( \strtolower( $object['type'] ) ),
'comment_parent' => 0,
'comment_meta' => array(
'source_url' => \esc_url_raw( $object['id'] ),
'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' );
$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 );
}
/**
* 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 = \Activitypub\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_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' );
$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 );
}
/**
* 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 ( 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
*
* @param array $data
*
* @return array The list of local users
*/
public static function get_recipients( $data ) {
$recipients = self::extract_recipients( $data );
$users = array();
foreach ( $recipients as $recipient ) {
$user_id = \Activitypub\url_to_authorid( $recipient );
$user = get_user_by( 'id', $user_id );
if ( $user ) {
$users[] = $user;
}
}
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 );
}
}

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<?php
namespace Activitypub\Rest;
/**
* ActivityPub NodeInfo REST-Class
*
* @author Matthias Pfefferle
*
* @see http://nodeinfo.diaspora.software/
*/
class Nodeinfo {
/**
* Initialize the class, registering WordPress hooks
*/
public static function init() {
\add_action( 'rest_api_init', array( '\Activitypub\Rest\Nodeinfo', 'register_routes' ) );
\add_filter( 'nodeinfo_data', array( '\Activitypub\Rest\Nodeinfo', 'add_nodeinfo_discovery' ), 10, 2 );
\add_filter( 'nodeinfo2_data', array( '\Activitypub\Rest\Nodeinfo', 'add_nodeinfo2_discovery' ), 10 );
}
/**
* Register routes
*/
public static function register_routes() {
\register_rest_route(
'activitypub/1.0',
'/nodeinfo/discovery',
array(
array(
'methods' => \WP_REST_Server::READABLE,
'callback' => array( '\Activitypub\Rest\Nodeinfo', 'discovery' ),
'permission_callback' => '__return_true',
),
)
);
\register_rest_route(
'activitypub/1.0',
'/nodeinfo',
array(
array(
'methods' => \WP_REST_Server::READABLE,
'callback' => array( '\Activitypub\Rest\Nodeinfo', 'nodeinfo' ),
'permission_callback' => '__return_true',
),
)
);
\register_rest_route(
'activitypub/1.0',
'/nodeinfo2',
array(
array(
'methods' => \WP_REST_Server::READABLE,
'callback' => array( '\Activitypub\Rest\Nodeinfo', 'nodeinfo2' ),
'permission_callback' => '__return_true',
),
)
);
}
/**
* Render NodeInfo file
*
* @param WP_REST_Request $request
*
* @return WP_REST_Response
*/
public static function nodeinfo( $request ) {
$nodeinfo = array();
$nodeinfo['version'] = '2.0';
$nodeinfo['software'] = array(
'name' => 'wordpress',
'version' => \get_bloginfo( 'version' ),
);
$users = \count_users();
$posts = \wp_count_posts();
$comments = \wp_count_comments();
$nodeinfo['usage'] = array(
'users' => array(
'total' => (int) $users['total_users'],
),
'localPosts' => (int) $posts->publish,
'localComments' => (int) $comments->approved,
);
$nodeinfo['openRegistrations'] = false;
$nodeinfo['protocols'] = array( 'activitypub' );
$nodeinfo['services'] = array(
'inbound' => array(),
'outbound' => array(),
);
return new \WP_REST_Response( $nodeinfo, 200 );
}
/**
* Render NodeInfo file
*
* @param WP_REST_Request $request
*
* @return WP_REST_Response
*/
public static function nodeinfo2( $request ) {
$nodeinfo = array();
$nodeinfo['version'] = '1.0';
$nodeinfo['server'] = array(
'baseUrl' => \home_url( '/' ),
'name' => \get_bloginfo( 'name' ),
'software' => 'wordpress',
'version' => \get_bloginfo( 'version' ),
);
$users = \get_users(
array(
'capability__in' => array( 'publish_posts' ),
)
);
if ( is_array( $users ) ) {
$users = count( $users );
} else {
$users = 1;
}
$posts = \wp_count_posts();
$comments = \wp_count_comments();
$nodeinfo['usage'] = array(
'users' => array(
'total' => (int) $users,
),
'localPosts' => (int) $posts->publish,
'localComments' => (int) $comments->approved,
);
$nodeinfo['openRegistrations'] = false;
$nodeinfo['protocols'] = array( 'activitypub' );
$nodeinfo['services'] = array(
'inbound' => array(),
'outbound' => array(),
);
return new \WP_REST_Response( $nodeinfo, 200 );
}
/**
* Render NodeInfo discovery file
*
* @param WP_REST_Request $request
*
* @return WP_REST_Response
*/
public static function discovery( $request ) {
$discovery = array();
$discovery['links'] = array(
array(
'rel' => 'http://nodeinfo.diaspora.software/ns/schema/2.0',
'href' => \get_rest_url( null, 'activitypub/1.0/nodeinfo' ),
),
);
return new \WP_REST_Response( $discovery, 200 );
}
/**
* Extend NodeInfo data
*
* @param array $nodeinfo NodeInfo data
* @param string The NodeInfo Version
*
* @return array The extended array
*/
public static function add_nodeinfo_discovery( $nodeinfo, $version ) {
if ( '2.0' === $version ) {
$nodeinfo['protocols'][] = 'activitypub';
} else {
$nodeinfo['protocols']['inbound'][] = 'activitypub';
$nodeinfo['protocols']['outbound'][] = 'activitypub';
}
return $nodeinfo;
}
/**
* Extend NodeInfo2 data
*
* @param array $nodeinfo NodeInfo2 data
*
* @return array The extended array
*/
public static function add_nodeinfo2_discovery( $nodeinfo ) {
$nodeinfo['protocols'][] = 'activitypub';
return $nodeinfo;
}
}

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<?php
namespace Activitypub\Rest;
/**
* ActivityPub OStatus REST-Class
*
* @author Matthias Pfefferle
*
* @see https://www.w3.org/community/ostatus/
*/
class Ostatus {
/**
* Register routes
*/
public static function register_routes() {
\register_rest_route(
'activitypub/1.0',
'/ostatus/remote-follow',
array(
array(
'methods' => \WP_REST_Server::READABLE,
'callback' => array( '\Activitypub\Rest\Ostatus', 'get' ),
// 'args' => self::request_parameters(),
'permission_callback' => '__return_true',
),
)
);
}
public static function get() {
// @todo implement
}
}

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<?php
namespace Activitypub\Rest;
/**
* ActivityPub Outbox REST-Class
*
* @author Matthias Pfefferle
*
* @see https://www.w3.org/TR/activitypub/#outbox
*/
class Outbox {
/**
* Initialize the class, registering WordPress hooks
*/
public static function init() {
\add_action( 'rest_api_init', array( '\Activitypub\Rest\Outbox', 'register_routes' ) );
}
/**
* Register routes
*/
public static function register_routes() {
\register_rest_route(
'activitypub/1.0',
'/users/(?P<user_id>\d+)/outbox',
array(
array(
'methods' => \WP_REST_Server::READABLE,
'callback' => array( '\Activitypub\Rest\Outbox', 'user_outbox_get' ),
'args' => self::request_parameters(),
'permission_callback' => '__return_true',
),
)
);
}
/**
* Renders the user-outbox
*
* @param WP_REST_Request $request
* @return WP_REST_Response
*/
public static function user_outbox_get( $request ) {
$user_id = $request->get_param( 'user_id' );
$author = \get_user_by( 'ID', $user_id );
$post_types = \get_option( 'activitypub_support_post_types', array( 'post', 'page' ) );
if ( ! $author ) {
return new \WP_Error(
'rest_invalid_param',
\__( 'User not found', 'activitypub' ),
array(
'status' => 404,
'params' => array(
'user_id' => \__( 'User not found', 'activitypub' ),
),
)
);
}
$page = $request->get_param( 'page', 0 );
/*
* Action triggerd prior to the ActivityPub profile being created and sent to the client
*/
\do_action( 'activitypub_outbox_pre' );
$json = new \stdClass();
$json->{'@context'} = \Activitypub\get_context();
$json->id = \home_url( \add_query_arg( null, null ) );
$json->generator = 'http://wordpress.org/?v=' . \get_bloginfo_rss( 'version' );
$json->actor = \get_author_posts_url( $user_id );
$json->type = 'OrderedCollectionPage';
$json->partOf = \get_rest_url( null, "/activitypub/1.0/users/$user_id/outbox" ); // phpcs:ignore
$json->totalItems = 0; // phpcs:ignore
// phpcs:ignore
$json->totalItems = 0;
foreach ( $post_types as $post_type ) {
$count_posts = \wp_count_posts( $post_type );
$json->totalItems += \intval( $count_posts->publish ); // phpcs:ignore
}
$json->first = \add_query_arg( 'page', 1, $json->partOf ); // phpcs:ignore
$json->last = \add_query_arg( 'page', \ceil ( $json->totalItems / 10 ), $json->partOf ); // phpcs:ignore
if ( $page && ( ( \ceil ( $json->totalItems / 10 ) ) > $page ) ) { // phpcs:ignore
$json->next = \add_query_arg( 'page', $page + 1, $json->partOf ); // phpcs:ignore
}
if ( $page ) {
$posts = \get_posts(
array(
'posts_per_page' => 10,
'author' => $user_id,
'offset' => ( $page - 1 ) * 10,
'post_type' => $post_types,
)
);
foreach ( $posts as $post ) {
$activitypub_post = new \Activitypub\Model\Post( $post );
$activitypub_activity = new \Activitypub\Model\Activity( 'Create', \Activitypub\Model\Activity::TYPE_NONE );
$activitypub_activity->from_post( $activitypub_post );
$json->orderedItems[] = $activitypub_activity->to_array(); // phpcs:ignore
}
}
// filter output
$json = \apply_filters( 'activitypub_outbox_array', $json );
/*
* Action triggerd after the ActivityPub profile has been created and sent to the client
*/
\do_action( 'activitypub_outbox_post' );
$response = new \WP_REST_Response( $json, 200 );
$response->header( 'Content-Type', 'application/activity+json' );
return $response;
}
/**
* The supported parameters
*
* @return array list of parameters
*/
public static function request_parameters() {
$params = array();
$params['page'] = array(
'type' => 'integer',
);
$params['user_id'] = array(
'required' => true,
'type' => 'integer',
'validate_callback' => function( $param, $request, $key ) {
return user_can( $param, 'publish_posts' );
},
);
return $params;
}
}

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<?php
namespace Activitypub\Rest;
/**
* ActivityPub WebFinger REST-Class
*
* @author Matthias Pfefferle
*
* @see https://webfinger.net/
*/
class Webfinger {
/**
* Initialize the class, registering WordPress hooks
*/
public static function init() {
\add_action( 'rest_api_init', array( '\Activitypub\Rest\Webfinger', 'register_routes' ) );
\add_action( 'webfinger_user_data', array( '\Activitypub\Rest\Webfinger', 'add_webfinger_discovery' ), 10, 3 );
}
/**
* Register routes
*/
public static function register_routes() {
\register_rest_route(
'activitypub/1.0',
'/webfinger',
array(
array(
'methods' => \WP_REST_Server::READABLE,
'callback' => array( '\Activitypub\Rest\Webfinger', 'webfinger' ),
'args' => self::request_parameters(),
'permission_callback' => '__return_true',
),
)
);
}
/**
* Render JRD file
*
* @param WP_REST_Request $request
* @return WP_REST_Response
*/
public static function webfinger( $request ) {
$resource = $request->get_param( 'resource' );
if ( \strpos( $resource, '@' ) === false ) {
return new \WP_Error( 'activitypub_unsupported_resource', \__( 'Resource is invalid', 'activitypub' ), array( 'status' => 400 ) );
}
$resource = \str_replace( 'acct:', '', $resource );
$resource_identifier = \substr( $resource, 0, \strrpos( $resource, '@' ) );
$resource_host = \substr( \strrchr( $resource, '@' ), 1 );
if ( \wp_parse_url( \home_url( '/' ), \PHP_URL_HOST ) !== $resource_host ) {
return new \WP_Error( 'activitypub_wrong_host', \__( 'Resource host does not match blog host', 'activitypub' ), array( 'status' => 404 ) );
}
$user = \get_user_by( 'login', \esc_sql( $resource_identifier ) );
if ( ! $user || ! user_can( $user, 'publish_posts' ) ) {
return new \WP_Error( 'activitypub_user_not_found', \__( 'User not found', 'activitypub' ), array( 'status' => 404 ) );
}
$json = array(
'subject' => $resource,
'aliases' => array(
\get_author_posts_url( $user->ID ),
),
'links' => array(
array(
'rel' => 'self',
'type' => 'application/activity+json',
'href' => \get_author_posts_url( $user->ID ),
),
array(
'rel' => 'http://webfinger.net/rel/profile-page',
'type' => 'text/html',
'href' => \get_author_posts_url( $user->ID ),
),
),
);
return new \WP_REST_Response( $json, 200 );
}
/**
* The supported parameters
*
* @return array list of parameters
*/
public static function request_parameters() {
$params = array();
$params['resource'] = array(
'required' => true,
'type' => 'string',
'pattern' => '^acct:(.+)@(.+)$',
);
return $params;
}
/**
* Add WebFinger discovery links
*
* @param array $array the jrd array
* @param string $resource the WebFinger resource
* @param WP_User $user the WordPress user
*/
public static function add_webfinger_discovery( $array, $resource, $user ) {
$array['links'][] = array(
'rel' => 'self',
'type' => 'application/activity+json',
'href' => \get_author_posts_url( $user->ID ),
);
return $array;
}
}