Adding upstream version 6.4.3+dfsg1.upstream/6.4.3+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 165 insertions, 0 deletions

diff --git a/wp-includes/class-wp-ajax-response.php b/wp-includes/class-wp-ajax-response.php
new file mode 100644
index 0000000..fb90d2d
--- /dev/null
+++ b/wp-includes/class-wp-ajax-response.php
@@ -0,0 +1,165 @@
+<?php
+/**
+ * Send XML response back to Ajax request.
+ *
+ * @package WordPress
+ * @since 2.1.0
+ */
+#[AllowDynamicProperties]
+class WP_Ajax_Response {
+	/**
+	 * Store XML responses to send.
+	 *
+	 * @since 2.1.0
+	 * @var array
+	 */
+	public $responses = array();
+
+	/**
+	 * Constructor - Passes args to WP_Ajax_Response::add().
+	 *
+	 * @since 2.1.0
+	 *
+	 * @see WP_Ajax_Response::add()
+	 *
+	 * @param string|array $args Optional. Will be passed to add() method.
+	 */
+	public function __construct( $args = '' ) {
+		if ( ! empty( $args ) ) {
+			$this->add( $args );
+		}
+	}
+
+	/**
+	 * Appends data to an XML response based on given arguments.
+	 *
+	 * With `$args` defaults, extra data output would be:
+	 *
+	 *     <response action='{$action}_$id'>
+	 *      <$what id='$id' position='$position'>
+	 *          <response_data><![CDATA[$data]]></response_data>
+	 *      </$what>
+	 *     </response>
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string|array $args {
+	 *     Optional. An array or string of XML response arguments.
+	 *
+	 *     @type string          $what         XML-RPC response type. Used as a child element of `<response>`.
+	 *                                         Default 'object' (`<object>`).
+	 *     @type string|false    $action       Value to use for the `action` attribute in `<response>`. Will be
+	 *                                         appended with `_$id` on output. If false, `$action` will default to
+	 *                                         the value of `$_POST['action']`. Default false.
+	 *     @type int|WP_Error    $id           The response ID, used as the response type `id` attribute. Also
+	 *                                         accepts a `WP_Error` object if the ID does not exist. Default 0.
+	 *     @type int|false       $old_id       The previous response ID. Used as the value for the response type
+	 *                                         `old_id` attribute. False hides the attribute. Default false.
+	 *     @type string          $position     Value of the response type `position` attribute. Accepts 1 (bottom),
+	 *                                         -1 (top), HTML ID (after), or -HTML ID (before). Default 1 (bottom).
+	 *     @type string|WP_Error $data         The response content/message. Also accepts a WP_Error object if the
+	 *                                         ID does not exist. Default empty.
+	 *     @type array           $supplemental An array of extra strings that will be output within a `<supplemental>`
+	 *                                         element as CDATA. Default empty array.
+	 * }
+	 * @return string XML response.
+	 */
+	public function add( $args = '' ) {
+		$defaults = array(
+			'what'         => 'object',
+			'action'       => false,
+			'id'           => '0',
+			'old_id'       => false,
+			'position'     => 1,
+			'data'         => '',
+			'supplemental' => array(),
+		);
+
+		$parsed_args = wp_parse_args( $args, $defaults );
+
+		$position = preg_replace( '/[^a-z0-9:_-]/i', '', $parsed_args['position'] );
+		$id       = $parsed_args['id'];
+		$what     = $parsed_args['what'];
+		$action   = $parsed_args['action'];
+		$old_id   = $parsed_args['old_id'];
+		$data     = $parsed_args['data'];
+
+		if ( is_wp_error( $id ) ) {
+			$data = $id;
+			$id   = 0;
+		}
+
+		$response = '';
+		if ( is_wp_error( $data ) ) {
+			foreach ( (array) $data->get_error_codes() as $code ) {
+				$response  .= "<wp_error code='$code'><![CDATA[" . $data->get_error_message( $code ) . ']]></wp_error>';
+				$error_data = $data->get_error_data( $code );
+				if ( ! $error_data ) {
+					continue;
+				}
+				$class = '';
+				if ( is_object( $error_data ) ) {
+					$class      = ' class="' . get_class( $error_data ) . '"';
+					$error_data = get_object_vars( $error_data );
+				}
+
+				$response .= "<wp_error_data code='$code'$class>";
+
+				if ( is_scalar( $error_data ) ) {
+					$response .= "<![CDATA[$error_data]]>";
+				} elseif ( is_array( $error_data ) ) {
+					foreach ( $error_data as $k => $v ) {
+						$response .= "<$k><![CDATA[$v]]></$k>";
+					}
+				}
+
+				$response .= '</wp_error_data>';
+			}
+		} else {
+			$response = "<response_data><![CDATA[$data]]></response_data>";
+		}
+
+		$s = '';
+		if ( is_array( $parsed_args['supplemental'] ) ) {
+			foreach ( $parsed_args['supplemental'] as $k => $v ) {
+				$s .= "<$k><![CDATA[$v]]></$k>";
+			}
+			$s = "<supplemental>$s</supplemental>";
+		}
+
+		if ( false === $action ) {
+			$action = $_POST['action'];
+		}
+		$x  = '';
+		$x .= "<response action='{$action}_$id'>"; // The action attribute in the xml output is formatted like a nonce action.
+		$x .= "<$what id='$id' " . ( false === $old_id ? '' : "old_id='$old_id' " ) . "position='$position'>";
+		$x .= $response;
+		$x .= $s;
+		$x .= "</$what>";
+		$x .= '</response>';
+
+		$this->responses[] = $x;
+		return $x;
+	}
+
+	/**
+	 * Display XML formatted responses.
+	 *
+	 * Sets the content type header to text/xml.
+	 *
+	 * @since 2.1.0
+	 */
+	public function send() {
+		header( 'Content-Type: text/xml; charset=' . get_option( 'blog_charset' ) );
+		echo "<?xml version='1.0' encoding='" . get_option( 'blog_charset' ) . "' standalone='yes'?><wp_ajax>";
+		foreach ( (array) $this->responses as $response ) {
+			echo $response;
+		}
+		echo '</wp_ajax>';
+		if ( wp_doing_ajax() ) {
+			wp_die();
+		} else {
+			die();
+		}
+	}
+}