Ticket #43547: 43547.2.patch

src/wp-includes/default-filters.php

@@ -328 +328 @@
 add_action( 'do_pings', 'do_all_pings', 10, 1 );
 add_action( 'do_robots', 'do_robots' );
 add_action( 'set_comment_cookies', 'wp_set_comment_cookies', 10, 3 );
+add_filter( 'wp_privacy_personal_data_exporters', 'wp_register_user_personal_data_exporter', 10 );
 add_action( 'sanitize_comment_cookies', 'sanitize_comment_cookies' );
 add_action( 'admin_print_scripts', 'print_emoji_detection_script' );
 add_action( 'admin_print_scripts', 'print_head_scripts', 20 );

src/wp-includes/user.php

@@ -2963 +2963 @@
          *
          * @param string $description The default description.
          * @param string $action_name The name of the request.
-         */                             
+         */
         return apply_filters( 'user_request_action_description', $description, $action_name );
 }
 
@@ -3185 +3185 @@
                 'confirm_key_timestamp' => get_post_meta( $request_id, '_wp_user_request_confirm_key_timestamp', true ),
         );
 }
+
+/**
+ * Registers the personal data exporter for users.
+ *
+ * @since 4.9.6
+ *
+ * @param array $exporters  An array of personal data exporters.
+ * @return array  An array of personal data exporters.
+ */
+function wp_register_user_personal_data_exporter( $exporters ) {
+        $exporters[] = array(
+                'exporter_friendly_name' => __( 'WordPress User' ),
+                'callback'               => 'wp_user_personal_data_exporter',
+        );
+
+        return $exporters;
+}
+
+/**
+ * Finds and exports personal data associated with an email address from the user and user_meta table.
+ *
+ * @since 4.9.6
+ *
+ * @param string $email_address  The users email address.
+ * @return array  An array of personal data.
+ */
+function wp_user_personal_data_exporter( $email_address ) {
+        $email_address = trim( $email_address );
+
+        $data_to_export = array();
+
+        $user = get_user_by( 'email', $email_address );
+
+        if ( ! $user ) {
+            return array(
+                // Is it enough to return an empty array here?
+                'data' => array(),
+            'done' => true,
+        );
+    }
+
+        $user_meta = get_user_meta( $user->ID );
+
+        $user_prop_to_export = array(
+                'ID'              => __( 'User ID' ),
+                'user_login'      => __( 'User Login Name' ),
+                'user_nicename'   => __( 'User Nice Name' ),
+                'user_email'      => __( 'User Email' ),
+                'user_url'        => __( 'User URL' ),
+                'user_registered' => __( 'User Registered At'),
+                'user_status'     => __( 'User Status'),
+                'display_name'    => __( 'User Display Name'),
+                'nickname'        => __( 'User Nickname' ),
+                'first_name'      => __( 'User First Name' ),
+                'last_name'       => __( 'User Last Name' ),
+                'description'     => __( 'User Description' ),
+        );
+
+        $user_data_to_export = array();
+
+        foreach ( $user_prop_to_export as $key => $name ) {
+                $value = '';
+
+                switch ( $key ) {
+                        case 'ID':
+                        case 'user_login':
+                        case 'user_nicename':
+                        case 'user_email':
+                        case 'user_url':
+                        case 'user_registered':
+                        case 'display_name':
+                                $value = $user->data->$key;
+                                break;
+                        case 'user_status':
+                                if ( '0' == $user->data->user_status ) {
+                                        $value = __( 'Active' );
+                                } elseif ( '1' == $user->data->user_status ) {
+                                        $value = __( 'Inactive' );
+                                } else {
+                                        $value = $user->data->user_status;
+                                }
+                                break;
+                        case 'nickname':
+                        case 'first_name':
+                        case 'last_name':
+                        case 'description':
+                                $value = $user_meta[ $key ][0];
+                }
+
+                if ( ! empty( $value ) ) {
+                        $user_data_to_export[] = array(
+                                'name'  => $name,
+                                'value' => $value,
+                        );
+                }
+        }
+
+        $data_to_export[] = array(
+                'group_id'    => 'user',
+                'group_label' => __( 'User' ),
+                'item_id'     => "user-{$user->ID}",
+                'data'        => $user_data_to_export,
+        );
+
+        return array(
+                'data' => $data_to_export,
+                'done' => true,
+        );
+}