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|
<?php
/**
* Sets up the Connection REST API endpoints.
*
* @package automattic/jetpack-connection
*/
namespace Automattic\Jetpack\Connection;
use Automattic\Jetpack\Constants;
use Automattic\Jetpack\Redirect;
use Automattic\Jetpack\Status;
use Jetpack_XMLRPC_Server;
use WP_Error;
use WP_REST_Request;
use WP_REST_Response;
use WP_REST_Server;
/**
* Registers the REST routes for Connections.
*/
class REST_Connector {
/**
* The Connection Manager.
*
* @var Manager
*/
private $connection;
/**
* This property stores the localized "Insufficient Permissions" error message.
*
* @var string Generic error message when user is not allowed to perform an action.
*/
private static $user_permissions_error_msg;
const JETPACK__DEBUGGER_PUBLIC_KEY = "\r\n" . '-----BEGIN PUBLIC KEY-----' . "\r\n"
. 'MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAm+uLLVoxGCY71LS6KFc6' . "\r\n"
. '1UnF6QGBAsi5XF8ty9kR3/voqfOkpW+gRerM2Kyjy6DPCOmzhZj7BFGtxSV2ZoMX' . "\r\n"
. '9ZwWxzXhl/Q/6k8jg8BoY1QL6L2K76icXJu80b+RDIqvOfJruaAeBg1Q9NyeYqLY' . "\r\n"
. 'lEVzN2vIwcFYl+MrP/g6Bc2co7Jcbli+tpNIxg4Z+Hnhbs7OJ3STQLmEryLpAxQO' . "\r\n"
. 'q8cbhQkMx+FyQhxzSwtXYI/ClCUmTnzcKk7SgGvEjoKGAmngILiVuEJ4bm7Q1yok' . "\r\n"
. 'xl9+wcfW6JAituNhml9dlHCWnn9D3+j8pxStHihKy2gVMwiFRjLEeD8K/7JVGkb/' . "\r\n"
. 'EwIDAQAB' . "\r\n"
. '-----END PUBLIC KEY-----' . "\r\n";
/**
* Constructor.
*
* @param Manager $connection The Connection Manager.
*/
public function __construct( Manager $connection ) {
$this->connection = $connection;
self::$user_permissions_error_msg = esc_html__(
'You do not have the correct user permissions to perform this action.
Please contact your site admin if you think this is a mistake.',
'jetpack-connection'
);
$jp_version = Constants::get_constant( 'JETPACK__VERSION' );
if ( ! $this->connection->has_connected_owner() ) {
// Register a site.
register_rest_route(
'jetpack/v4',
'/verify_registration',
array(
'methods' => WP_REST_Server::EDITABLE,
'callback' => array( $this, 'verify_registration' ),
'permission_callback' => '__return_true',
)
);
}
// Authorize a remote user.
register_rest_route(
'jetpack/v4',
'/remote_authorize',
array(
'methods' => WP_REST_Server::EDITABLE,
'callback' => __CLASS__ . '::remote_authorize',
'permission_callback' => '__return_true',
)
);
// Get current connection status of Jetpack.
register_rest_route(
'jetpack/v4',
'/connection',
array(
'methods' => WP_REST_Server::READABLE,
'callback' => __CLASS__ . '::connection_status',
'permission_callback' => '__return_true',
)
);
// Disconnect site.
register_rest_route(
'jetpack/v4',
'/connection',
array(
'methods' => WP_REST_Server::EDITABLE,
'callback' => __CLASS__ . '::disconnect_site',
'permission_callback' => __CLASS__ . '::disconnect_site_permission_check',
'args' => array(
'isActive' => array(
'description' => __( 'Set to false will trigger the site to disconnect.', 'jetpack-connection' ),
'validate_callback' => function ( $value ) {
if ( false !== $value ) {
return new WP_Error(
'rest_invalid_param',
__( 'The isActive argument should be set to false.', 'jetpack-connection' ),
array( 'status' => 400 )
);
}
return true;
},
'required' => true,
),
),
)
);
// We are only registering this route if Jetpack-the-plugin is not active or it's version is ge 10.0-alpha.
// The reason for doing so is to avoid conflicts between the Connection package and
// older versions of Jetpack, registering the same route twice.
if ( empty( $jp_version ) || version_compare( $jp_version, '10.0-alpha', '>=' ) ) {
// Get current user connection data.
register_rest_route(
'jetpack/v4',
'/connection/data',
array(
'methods' => WP_REST_Server::READABLE,
'callback' => __CLASS__ . '::get_user_connection_data',
'permission_callback' => __CLASS__ . '::user_connection_data_permission_check',
)
);
}
// Get list of plugins that use the Jetpack connection.
register_rest_route(
'jetpack/v4',
'/connection/plugins',
array(
'methods' => WP_REST_Server::READABLE,
'callback' => array( __CLASS__, 'get_connection_plugins' ),
'permission_callback' => __CLASS__ . '::connection_plugins_permission_check',
)
);
// Full or partial reconnect in case of connection issues.
register_rest_route(
'jetpack/v4',
'/connection/reconnect',
array(
'methods' => WP_REST_Server::EDITABLE,
'callback' => array( $this, 'connection_reconnect' ),
'permission_callback' => __CLASS__ . '::jetpack_reconnect_permission_check',
)
);
// Register the site (get `blog_token`).
register_rest_route(
'jetpack/v4',
'/connection/register',
array(
'methods' => WP_REST_Server::EDITABLE,
'callback' => array( $this, 'connection_register' ),
'permission_callback' => __CLASS__ . '::jetpack_register_permission_check',
'args' => array(
'from' => array(
'description' => __( 'Indicates where the registration action was triggered for tracking/segmentation purposes', 'jetpack-connection' ),
'type' => 'string',
),
'registration_nonce' => array(
'description' => __( 'The registration nonce', 'jetpack-connection' ),
'type' => 'string',
'required' => true,
),
'redirect_uri' => array(
'description' => __( 'URI of the admin page where the user should be redirected after connection flow', 'jetpack-connection' ),
'type' => 'string',
),
'plugin_slug' => array(
'description' => __( 'Indicates from what plugin the request is coming from', 'jetpack-connection' ),
'type' => 'string',
),
),
)
);
// Get authorization URL.
register_rest_route(
'jetpack/v4',
'/connection/authorize_url',
array(
'methods' => WP_REST_Server::READABLE,
'callback' => array( $this, 'connection_authorize_url' ),
'permission_callback' => __CLASS__ . '::user_connection_data_permission_check',
'args' => array(
'redirect_uri' => array(
'description' => __( 'URI of the admin page where the user should be redirected after connection flow', 'jetpack-connection' ),
'type' => 'string',
),
),
)
);
register_rest_route(
'jetpack/v4',
'/user-token',
array(
array(
'methods' => WP_REST_Server::EDITABLE,
'callback' => array( static::class, 'update_user_token' ),
'permission_callback' => array( static::class, 'update_user_token_permission_check' ),
'args' => array(
'user_token' => array(
'description' => __( 'New user token', 'jetpack-connection' ),
'type' => 'string',
'required' => true,
),
'is_connection_owner' => array(
'description' => __( 'Is connection owner', 'jetpack-connection' ),
'type' => 'boolean',
),
),
),
)
);
// Set the connection owner.
register_rest_route(
'jetpack/v4',
'/connection/owner',
array(
'methods' => WP_REST_Server::EDITABLE,
'callback' => array( static::class, 'set_connection_owner' ),
'permission_callback' => array( static::class, 'set_connection_owner_permission_check' ),
'args' => array(
'owner' => array(
'description' => __( 'New owner', 'jetpack-connection' ),
'type' => 'integer',
'required' => true,
),
),
)
);
}
/**
* Handles verification that a site is registered.
*
* @since 1.7.0
* @since-jetpack 5.4.0
*
* @param WP_REST_Request $request The request sent to the WP REST API.
*
* @return string|WP_Error
*/
public function verify_registration( WP_REST_Request $request ) {
$registration_data = array( $request['secret_1'], $request['state'] );
return $this->connection->handle_registration( $registration_data );
}
/**
* Handles verification that a site is registered
*
* @since 1.7.0
* @since-jetpack 5.4.0
*
* @param WP_REST_Request $request The request sent to the WP REST API.
*
* @return array|wp-error
*/
public static function remote_authorize( $request ) {
$xmlrpc_server = new Jetpack_XMLRPC_Server();
$result = $xmlrpc_server->remote_authorize( $request );
if ( is_a( $result, 'IXR_Error' ) ) {
$result = new WP_Error( $result->code, $result->message );
}
return $result;
}
/**
* Get connection status for this Jetpack site.
*
* @since 1.7.0
* @since-jetpack 4.3.0
*
* @param bool $rest_response Should we return a rest response or a simple array. Default to rest response.
*
* @return WP_REST_Response|array Connection information.
*/
public static function connection_status( $rest_response = true ) {
$status = new Status();
$connection = new Manager();
$connection_status = array(
'isActive' => $connection->is_active(), // TODO deprecate this.
'isStaging' => $status->is_staging_site(),
'isRegistered' => $connection->is_connected(),
'isUserConnected' => $connection->is_user_connected(),
'hasConnectedOwner' => $connection->has_connected_owner(),
'offlineMode' => array(
'isActive' => $status->is_offline_mode(),
'constant' => defined( 'JETPACK_DEV_DEBUG' ) && JETPACK_DEV_DEBUG,
'url' => $status->is_local_site(),
/** This filter is documented in packages/status/src/class-status.php */
'filter' => ( apply_filters( 'jetpack_development_mode', false ) || apply_filters( 'jetpack_offline_mode', false ) ), // jetpack_development_mode is deprecated.
'wpLocalConstant' => defined( 'WP_LOCAL_DEV' ) && WP_LOCAL_DEV,
),
'isPublic' => '1' == get_option( 'blog_public' ), // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual
);
/**
* Filters the connection status data.
*
* @since 1.25.0
*
* @param array An array containing the connection status data.
*/
$connection_status = apply_filters( 'jetpack_connection_status', $connection_status );
if ( $rest_response ) {
return rest_ensure_response(
$connection_status
);
} else {
return $connection_status;
}
}
/**
* Get plugins connected to the Jetpack.
*
* @param bool $rest_response Should we return a rest response or a simple array. Default to rest response.
*
* @since 1.13.1
* @since 1.38.0 Added $rest_response param.
*
* @return WP_REST_Response|WP_Error Response or error object, depending on the request result.
*/
public static function get_connection_plugins( $rest_response = true ) {
$plugins = ( new Manager() )->get_connected_plugins();
if ( is_wp_error( $plugins ) ) {
return $plugins;
}
array_walk(
$plugins,
function ( &$data, $slug ) {
$data['slug'] = $slug;
}
);
if ( $rest_response ) {
return rest_ensure_response( array_values( $plugins ) );
}
return array_values( $plugins );
}
/**
* Verify that user can view Jetpack admin page and can activate plugins.
*
* @since 1.15.0
*
* @return bool|WP_Error Whether user has the capability 'activate_plugins'.
*/
public static function activate_plugins_permission_check() {
if ( current_user_can( 'activate_plugins' ) ) {
return true;
}
return new WP_Error( 'invalid_user_permission_activate_plugins', self::get_user_permissions_error_msg(), array( 'status' => rest_authorization_required_code() ) );
}
/**
* Permission check for the connection_plugins endpoint
*
* @return bool|WP_Error
*/
public static function connection_plugins_permission_check() {
if ( true === static::activate_plugins_permission_check() ) {
return true;
}
if ( true === static::is_request_signed_by_jetpack_debugger() ) {
return true;
}
return new WP_Error( 'invalid_user_permission_activate_plugins', self::get_user_permissions_error_msg(), array( 'status' => rest_authorization_required_code() ) );
}
/**
* Permission check for the disconnect site endpoint.
*
* @since 1.30.1
*
* @return bool|WP_Error True if user is able to disconnect the site.
*/
public static function disconnect_site_permission_check() {
if ( current_user_can( 'jetpack_disconnect' ) ) {
return true;
}
return new WP_Error(
'invalid_user_permission_jetpack_disconnect',
self::get_user_permissions_error_msg(),
array( 'status' => rest_authorization_required_code() )
);
}
/**
* Get miscellaneous user data related to the connection. Similar data available in old "My Jetpack".
* Information about the master/primary user.
* Information about the current user.
*
* @param bool $rest_response Should we return a rest response or a simple array. Default to rest response.
*
* @since 1.30.1
*
* @return \WP_REST_Response|array
*/
public static function get_user_connection_data( $rest_response = true ) {
$connection = new Manager();
$current_user = wp_get_current_user();
$connection_owner = $connection->get_connection_owner();
$owner_display_name = false === $connection_owner ? null : $connection_owner->display_name;
$is_user_connected = $connection->is_user_connected();
$is_master_user = false === $connection_owner ? false : ( $current_user->ID === $connection_owner->ID );
$wpcom_user_data = $connection->get_connected_user_data();
// Add connected user gravatar to the returned wpcom_user_data.
// Probably we shouldn't do this when $wpcom_user_data is false, but we have been since 2016 so
// clients probably expect that by now.
if ( false === $wpcom_user_data ) {
$wpcom_user_data = array();
}
$wpcom_user_data['avatar'] = ( ! empty( $wpcom_user_data['email'] ) ?
get_avatar_url(
$wpcom_user_data['email'],
array(
'size' => 64,
'default' => 'mysteryman',
)
)
: false );
$current_user_connection_data = array(
'isConnected' => $is_user_connected,
'isMaster' => $is_master_user,
'username' => $current_user->user_login,
'id' => $current_user->ID,
'wpcomUser' => $wpcom_user_data,
'gravatar' => get_avatar_url( $current_user->ID, 64, 'mm', '', array( 'force_display' => true ) ),
'permissions' => array(
'connect' => current_user_can( 'jetpack_connect' ),
'connect_user' => current_user_can( 'jetpack_connect_user' ),
'disconnect' => current_user_can( 'jetpack_disconnect' ),
),
);
/**
* Filters the current user connection data.
*
* @since 1.30.1
*
* @param array An array containing the current user connection data.
*/
$current_user_connection_data = apply_filters( 'jetpack_current_user_connection_data', $current_user_connection_data );
$response = array(
'currentUser' => $current_user_connection_data,
'connectionOwner' => $owner_display_name,
);
if ( $rest_response ) {
return rest_ensure_response( $response );
}
return $response;
}
/**
* Permission check for the connection/data endpoint
*
* @return bool|WP_Error
*/
public static function user_connection_data_permission_check() {
if ( current_user_can( 'jetpack_connect_user' ) ) {
return true;
}
return new WP_Error(
'invalid_user_permission_user_connection_data',
self::get_user_permissions_error_msg(),
array( 'status' => rest_authorization_required_code() )
);
}
/**
* Verifies if the request was signed with the Jetpack Debugger key
*
* @param string|null $pub_key The public key used to verify the signature. Default is the Jetpack Debugger key. This is used for testing purposes.
*
* @return bool
*/
public static function is_request_signed_by_jetpack_debugger( $pub_key = null ) {
// phpcs:disable WordPress.Security.NonceVerification.Recommended
if ( ! isset( $_GET['signature'], $_GET['timestamp'], $_GET['url'], $_GET['rest_route'] ) ) {
return false;
}
// signature timestamp must be within 5min of current time.
if ( abs( time() - (int) $_GET['timestamp'] ) > 300 ) {
return false;
}
$signature = base64_decode( filter_var( wp_unslash( $_GET['signature'] ) ) ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_decode
$signature_data = wp_json_encode(
array(
'rest_route' => filter_var( wp_unslash( $_GET['rest_route'] ) ),
'timestamp' => (int) $_GET['timestamp'],
'url' => filter_var( wp_unslash( $_GET['url'] ) ),
)
);
if (
! function_exists( 'openssl_verify' )
|| 1 !== openssl_verify(
$signature_data,
$signature,
$pub_key ? $pub_key : static::JETPACK__DEBUGGER_PUBLIC_KEY
)
) {
return false;
}
// phpcs:enable WordPress.Security.NonceVerification.Recommended
return true;
}
/**
* Verify that user is allowed to disconnect Jetpack.
*
* @since 1.15.0
*
* @return bool|WP_Error Whether user has the capability 'jetpack_disconnect'.
*/
public static function jetpack_reconnect_permission_check() {
if ( current_user_can( 'jetpack_reconnect' ) ) {
return true;
}
return new WP_Error( 'invalid_user_permission_jetpack_disconnect', self::get_user_permissions_error_msg(), array( 'status' => rest_authorization_required_code() ) );
}
/**
* Returns generic error message when user is not allowed to perform an action.
*
* @return string The error message.
*/
public static function get_user_permissions_error_msg() {
return self::$user_permissions_error_msg;
}
/**
* The endpoint tried to partially or fully reconnect the website to WP.com.
*
* @since 1.15.0
*
* @return \WP_REST_Response|WP_Error
*/
public function connection_reconnect() {
$response = array();
$next = null;
$result = $this->connection->restore();
if ( is_wp_error( $result ) ) {
$response = $result;
} elseif ( is_string( $result ) ) {
$next = $result;
} else {
$next = true === $result ? 'completed' : 'failed';
}
switch ( $next ) {
case 'authorize':
$response['status'] = 'in_progress';
$response['authorizeUrl'] = $this->connection->get_authorization_url();
break;
case 'completed':
$response['status'] = 'completed';
/**
* Action fired when reconnection has completed successfully.
*
* @since 1.18.1
*/
do_action( 'jetpack_reconnection_completed' );
break;
case 'failed':
$response = new WP_Error( 'Reconnect failed' );
break;
}
return rest_ensure_response( $response );
}
/**
* Verify that user is allowed to connect Jetpack.
*
* @since 1.26.0
*
* @return bool|WP_Error Whether user has the capability 'jetpack_connect'.
*/
public static function jetpack_register_permission_check() {
if ( current_user_can( 'jetpack_connect' ) ) {
return true;
}
return new WP_Error( 'invalid_user_permission_jetpack_connect', self::get_user_permissions_error_msg(), array( 'status' => rest_authorization_required_code() ) );
}
/**
* The endpoint tried to partially or fully reconnect the website to WP.com.
*
* @since 1.7.0
* @since-jetpack 7.7.0
*
* @param \WP_REST_Request $request The request sent to the WP REST API.
*
* @return \WP_REST_Response|WP_Error
*/
public function connection_register( $request ) {
if ( ! wp_verify_nonce( $request->get_param( 'registration_nonce' ), 'jetpack-registration-nonce' ) ) {
return new WP_Error( 'invalid_nonce', __( 'Unable to verify your request.', 'jetpack-connection' ), array( 'status' => 403 ) );
}
if ( isset( $request['from'] ) ) {
$this->connection->add_register_request_param( 'from', (string) $request['from'] );
}
if ( ! empty( $request['plugin_slug'] ) ) {
// If `plugin_slug` matches a plugin using the connection, let's inform the plugin that is establishing the connection.
$connected_plugin = Plugin_Storage::get_one( (string) $request['plugin_slug'] );
if ( ! is_wp_error( $connected_plugin ) && ! empty( $connected_plugin ) ) {
$this->connection->set_plugin_instance( new Plugin( (string) $request['plugin_slug'] ) );
}
}
$result = $this->connection->try_registration();
if ( is_wp_error( $result ) ) {
return $result;
}
$redirect_uri = $request->get_param( 'redirect_uri' ) ? admin_url( $request->get_param( 'redirect_uri' ) ) : null;
if ( class_exists( 'Jetpack' ) ) {
$authorize_url = \Jetpack::build_authorize_url( $redirect_uri );
} else {
$authorize_url = $this->connection->get_authorization_url( null, $redirect_uri );
}
/**
* Filters the response of jetpack/v4/connection/register endpoint
*
* @param array $response Array response
* @since 1.27.0
*/
$response_body = apply_filters(
'jetpack_register_site_rest_response',
array()
);
// We manipulate the alternate URLs after the filter is applied, so they can not be overwritten.
$response_body['authorizeUrl'] = $authorize_url;
if ( ! empty( $response_body['alternateAuthorizeUrl'] ) ) {
$response_body['alternateAuthorizeUrl'] = Redirect::get_url( $response_body['alternateAuthorizeUrl'] );
}
return rest_ensure_response( $response_body );
}
/**
* Get the authorization URL.
*
* @since 1.27.0
*
* @param \WP_REST_Request $request The request sent to the WP REST API.
*
* @return \WP_REST_Response|WP_Error
*/
public function connection_authorize_url( $request ) {
$redirect_uri = $request->get_param( 'redirect_uri' ) ? admin_url( $request->get_param( 'redirect_uri' ) ) : null;
$authorize_url = $this->connection->get_authorization_url( null, $redirect_uri );
return rest_ensure_response(
array(
'authorizeUrl' => $authorize_url,
)
);
}
/**
* The endpoint tried to partially or fully reconnect the website to WP.com.
*
* @since 1.29.0
*
* @param \WP_REST_Request $request The request sent to the WP REST API.
*
* @return \WP_REST_Response|WP_Error
*/
public static function update_user_token( $request ) {
$token_parts = explode( '.', $request['user_token'] );
if ( count( $token_parts ) !== 3 || ! (int) $token_parts[2] || ! ctype_digit( $token_parts[2] ) ) {
return new WP_Error( 'invalid_argument_user_token', esc_html__( 'Invalid user token is provided', 'jetpack-connection' ) );
}
$user_id = (int) $token_parts[2];
if ( false === get_userdata( $user_id ) ) {
return new WP_Error( 'invalid_argument_user_id', esc_html__( 'Invalid user id is provided', 'jetpack-connection' ) );
}
$connection = new Manager();
if ( ! $connection->is_connected() ) {
return new WP_Error( 'site_not_connected', esc_html__( 'Site is not connected', 'jetpack-connection' ) );
}
$is_connection_owner = isset( $request['is_connection_owner'] )
? (bool) $request['is_connection_owner']
: ( new Manager() )->get_connection_owner_id() === $user_id;
( new Tokens() )->update_user_token( $user_id, $request['user_token'], $is_connection_owner );
/**
* Fires when the user token gets successfully replaced.
*
* @since 1.29.0
*
* @param int $user_id User ID.
* @param string $token New user token.
*/
do_action( 'jetpack_updated_user_token', $user_id, $request['user_token'] );
return rest_ensure_response(
array(
'success' => true,
)
);
}
/**
* Disconnects Jetpack from the WordPress.com Servers
*
* @since 1.30.1
*
* @return bool|WP_Error True if Jetpack successfully disconnected.
*/
public static function disconnect_site() {
$connection = new Manager();
if ( $connection->is_connected() ) {
$connection->disconnect_site();
return rest_ensure_response( array( 'code' => 'success' ) );
}
return new WP_Error(
'disconnect_failed',
esc_html__( 'Failed to disconnect the site as it appears already disconnected.', 'jetpack-connection' ),
array( 'status' => 400 )
);
}
/**
* Verify that the API client is allowed to replace user token.
*
* @since 1.29.0
*
* @return bool|WP_Error.
*/
public static function update_user_token_permission_check() {
return Rest_Authentication::is_signed_with_blog_token()
? true
: new WP_Error( 'invalid_permission_update_user_token', self::get_user_permissions_error_msg(), array( 'status' => rest_authorization_required_code() ) );
}
/**
* Change the connection owner.
*
* @since 1.29.0
*
* @param WP_REST_Request $request The request sent to the WP REST API.
*
* @return \WP_REST_Response|WP_Error
*/
public static function set_connection_owner( $request ) {
$new_owner_id = $request['owner'];
$owner_set = ( new Manager() )->update_connection_owner( $new_owner_id );
if ( is_wp_error( $owner_set ) ) {
return $owner_set;
}
return rest_ensure_response(
array(
'code' => 'success',
)
);
}
/**
* Check that user has permission to change the master user.
*
* @since 1.7.0
* @since-jetpack 6.2.0
* @since-jetpack 7.7.0 Update so that any user with jetpack_disconnect privs can set owner.
*
* @return bool|WP_Error True if user is able to change master user.
*/
public static function set_connection_owner_permission_check() {
if ( current_user_can( 'jetpack_disconnect' ) ) {
return true;
}
return new WP_Error( 'invalid_user_permission_set_connection_owner', self::get_user_permissions_error_msg(), array( 'status' => rest_authorization_required_code() ) );
}
}
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