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<?php |
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/** |
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* Accept handler file. |
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* |
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* @package Activitypub |
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*/ |
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|
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namespace Activitypub\Handler; |
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|
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use Activitypub\Notification; |
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use Activitypub\Collection\Actors; |
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use Activitypub\Collection\Following; |
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use Activitypub\Collection\Outbox; |
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|
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use function Activitypub\object_to_uri; |
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|
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/** |
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* Handle Accept requests. |
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*/ |
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class Accept { |
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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_accept', |
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array( self::class, 'handle_accept' ), |
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10, |
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2 |
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); |
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|
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\add_filter( |
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'activitypub_validate_object', |
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array( self::class, 'validate_object' ), |
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10, |
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3 |
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); |
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} |
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|
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/** |
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* Handles "Accept" requests. |
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* |
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* @param array $accept The activity-object. |
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* @param int $user_id The id of the local blog-user. |
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*/ |
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public static function handle_accept( $accept, $user_id ) { |
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// Validate that there is a Follow Activity. |
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$outbox_post = Outbox::get_by_guid( $accept['object']['id'] ); |
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|
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if ( |
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\is_wp_error( $outbox_post ) || |
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'Follow' !== \get_post_meta( $outbox_post->ID, '_activitypub_activity_type', true ) |
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) { |
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return; |
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} |
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|
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$actor_post = Actors::get_remote_by_uri( object_to_uri( $accept['object']['object'] ) ); |
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|
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if ( \is_wp_error( $actor_post ) ) { |
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return; |
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} |
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|
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Following::accept( $actor_post, $user_id ); |
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|
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// Send notification. |
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$notification = new Notification( |
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'accept', |
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$actor_post->guid, |
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$accept, |
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$user_id |
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); |
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$notification->send(); |
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} |
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|
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/** |
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* Validate the object. |
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* |
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* @param bool $valid The validation state. |
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* @param string $param The object parameter. |
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* @param \WP_REST_Request $request The request object. |
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* |
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* @return bool The validation state: true if valid, false if not. |
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*/ |
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public static function validate_object( $valid, $param, $request ) { |
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$json_params = $request->get_json_params(); |
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|
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if ( empty( $json_params['type'] ) ) { |
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return false; |
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} |
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|
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if ( |
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'Accept' !== $json_params['type'] || |
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\is_wp_error( $request ) |
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) { |
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return $valid; |
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} |
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|
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$required_attributes = array( |
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'actor', |
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'object', |
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); |
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|
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if ( ! empty( \array_diff( $required_attributes, \array_keys( $json_params ) ) ) ) { |
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return false; |
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} |
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|
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$required_object_attributes = 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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if ( ! empty( \array_diff( $required_object_attributes, \array_keys( $json_params['object'] ) ) ) ) { |
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return false; |
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} |
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|
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return $valid; |
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} |
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} |
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|
