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XML-RPC: Add an if_not_modified_since argument to wp.editPost. 

Accepts a GMT date, which is used to compare to the current post_modified_gmt
value for the post being edited. If the post has since been edited (as in, too
old of a date was passed), the edit is rejected as overwriting a newer version.

It is rejected with a HTTP 409 Conflict status code. (Fancy.)

props koke, markoheinjen.
Tests: [UT1049]

see #21397.



git-svn-id: http://core.svn.wordpress.org/trunk@22034 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Andrew Nacin 2012-09-27 03:39:40 +00:00
parent 6405337afc
commit 646a4fd1e9
1 changed files with 8 additions and 1 deletions
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7
wp-includes/class-wp-xmlrpc-server.php
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@ -1258,6 +1258,13 @@ class wp_xmlrpc_server extends IXR_Server {
if ( empty( $post['ID'] ) )
return new IXR_Error( 404, __( 'Invalid post ID.' ) );
if ( isset( $content_struct['if_not_modified_since'] ) ) {
// If the post has been modified since the date provided, return an error.
if ( mysql2date( 'U', $post['post_modified_gmt'] ) > $content_struct['if_not_modified_since']->getTimestamp() ) {
return new IXR_Error( 409, __( 'There is a revision of this post that is more recent.' ) );
}
}
// convert the date field back to IXR form
$post['post_date'] = $this->_convert_date( $post['post_date'] );