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| 1 | <?php |
| 2 | /** |
| 3 | * XMLRPC Async Call class. |
| 4 | * |
| 5 | * @package automattic/jetpack-connection |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\Connection; |
| 9 | |
| 10 | use Jetpack_IXR_ClientMulticall; |
| 11 | |
| 12 | /** |
| 13 | * Make XMLRPC async calls to WordPress.com |
| 14 | * |
| 15 | * This class allows you to enqueue XMLRPC calls that will be grouped and sent |
| 16 | * at once in a multi-call request at shutdown. |
| 17 | * |
| 18 | * Usage: |
| 19 | * |
| 20 | * XMLRPC_Async_Call::add_call( 'methodName', get_current_user_id(), $arg1, $arg2, etc... ) |
| 21 | * |
| 22 | * See XMLRPC_Async_Call::add_call for details |
| 23 | */ |
| 24 | class XMLRPC_Async_Call { |
| 25 | |
| 26 | /** |
| 27 | * Hold the IXR Clients that will be dispatched at shutdown |
| 28 | * |
| 29 | * Clients are stored in the following schema: |
| 30 | * [ |
| 31 | * $blog_id => [ |
| 32 | * $user_id => [ |
| 33 | * arrat of Jetpack_IXR_ClientMulticall |
| 34 | * ] |
| 35 | * ] |
| 36 | * ] |
| 37 | * |
| 38 | * @var array |
| 39 | */ |
| 40 | public static $clients = array(); |
| 41 | |
| 42 | /** |
| 43 | * Adds a new XMLRPC call to the queue to be processed on shutdown |
| 44 | * |
| 45 | * @param string $method The XML-RPC method. |
| 46 | * @param integer $user_id The user ID used to make the request (will use this user's token); Use 0 for the blog token. |
| 47 | * @param mixed ...$args This function accepts any number of additional arguments, that will be passed to the call. |
| 48 | * @return void |
| 49 | */ |
| 50 | public static function add_call( $method, $user_id = 0, ...$args ) { |
| 51 | global $blog_id; |
| 52 | |
| 53 | $client_blog_id = is_multisite() ? $blog_id : 0; |
| 54 | |
| 55 | if ( ! isset( self::$clients[ $client_blog_id ] ) ) { |
| 56 | self::$clients[ $client_blog_id ] = array(); |
| 57 | } |
| 58 | |
| 59 | if ( ! isset( self::$clients[ $client_blog_id ][ $user_id ] ) ) { |
| 60 | self::$clients[ $client_blog_id ][ $user_id ] = new Jetpack_IXR_ClientMulticall( array( 'user_id' => $user_id ) ); |
| 61 | } |
| 62 | |
| 63 | // https://plugins.trac.wordpress.org/ticket/2041 |
| 64 | if ( function_exists( 'ignore_user_abort' ) ) { |
| 65 | ignore_user_abort( true ); |
| 66 | } |
| 67 | |
| 68 | array_unshift( $args, $method ); |
| 69 | |
| 70 | call_user_func_array( array( self::$clients[ $client_blog_id ][ $user_id ], 'addCall' ), $args ); |
| 71 | |
| 72 | if ( false === has_action( 'shutdown', array( 'Automattic\Jetpack\Connection\XMLRPC_Async_Call', 'do_calls' ) ) ) { |
| 73 | add_action( 'shutdown', array( 'Automattic\Jetpack\Connection\XMLRPC_Async_Call', 'do_calls' ) ); |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | /** |
| 78 | * Trigger the calls at shutdown |
| 79 | * |
| 80 | * @return void |
| 81 | */ |
| 82 | public static function do_calls() { |
| 83 | foreach ( self::$clients as $client_blog_id => $blog_clients ) { |
| 84 | if ( $client_blog_id > 0 ) { |
| 85 | $switch_success = switch_to_blog( $client_blog_id ); |
| 86 | |
| 87 | if ( ! $switch_success ) { |
| 88 | continue; |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | foreach ( $blog_clients as $client ) { |
| 93 | if ( empty( $client->calls ) ) { |
| 94 | continue; |
| 95 | } |
| 96 | |
| 97 | flush(); |
| 98 | $client->query(); |
| 99 | } |
| 100 | |
| 101 | if ( $client_blog_id > 0 ) { |
| 102 | restore_current_blog(); |
| 103 | } |
| 104 | } |
| 105 | } |
| 106 | } |