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Customize: Ensure customize_autosaved requests only use revision of logged-in user.

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Props dlh, westonruter.
See #42433, #39896.
Merges [42615] to the 4.9 branch.
Fixes #42450.
Built from https://develop.svn.wordpress.org/branches/4.9@42620


git-svn-id: http://core.svn.wordpress.org/branches/4.9@42449 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Sergey Biryukov 2018-01-30 14:44:42 +00:00
parent d7291a5435
commit a271c43cdb
2 changed files with 16 additions and 7 deletions
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21
wp-includes/class-wp-customize-manager.php
View File

@ -1135,7 +1135,7 @@ final class WP_Customize_Manager {
if ( ! $changeset_post_id ) {
$this->_changeset_data = array();
} else {
if ( $this->autosaved() ) {
if ( $this->autosaved() && is_user_logged_in() ) {
$autosave_post = wp_get_post_autosave( $changeset_post_id, get_current_user_id() );
if ( $autosave_post ) {
$data = $this->get_changeset_post_data( $autosave_post->ID );
@ -2878,10 +2878,12 @@ final class WP_Customize_Manager {
$post_array['edit_date'] = true; // Prevent date clearing.
$r = wp_update_post( wp_slash( $post_array ), true );
// Delete autosave revision when the changeset is updated.
$autosave_draft = wp_get_post_autosave( $changeset_post_id, get_current_user_id() );
if ( $autosave_draft ) {
wp_delete_post( $autosave_draft->ID, true );
// Delete autosave revision for user when the changeset is updated.
if ( ! empty( $args['user_id'] ) ) {
$autosave_draft = wp_get_post_autosave( $changeset_post_id, $args['user_id'] );
if ( $autosave_draft ) {
wp_delete_post( $autosave_draft->ID, true );
}
}
}
} else {
@ -3493,6 +3495,11 @@ final class WP_Customize_Manager {
* @since 4.9.0
*/
public function handle_dismiss_autosave_or_lock_request() {
// Calls to dismiss_user_auto_draft_changesets() and wp_get_post_autosave() require non-zero get_current_user_id().
if ( ! is_user_logged_in() ) {
wp_send_json_error( 'unauthenticated', 401 );
}
if ( ! $this->is_preview() ) {
wp_send_json_error( 'not_preview', 400 );
}
@ -4574,7 +4581,9 @@ final class WP_Customize_Manager {
$changeset_post_id = $this->changeset_post_id();
if ( ! $this->saved_starter_content_changeset && ! $this->autosaved() ) {
if ( $changeset_post_id ) {
$autosave_revision_post = wp_get_post_autosave( $changeset_post_id, get_current_user_id() );
if ( is_user_logged_in() ) {
$autosave_revision_post = wp_get_post_autosave( $changeset_post_id, get_current_user_id() );
}
} else {
$autosave_autodraft_posts = $this->get_changeset_posts( array(
'posts_per_page' => 1,

2
wp-includes/version.php
View File

@ -4,7 +4,7 @@
*
* @global string $wp_version
*/
$wp_version = '4.9.3-beta1-42609';
$wp_version = '4.9.3-beta1-42620';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.