[wp-trac] [WordPress Trac] #26365: map_meta_cap() should use parent post status when post has a post status of inherit

WordPress Trac noreply at wordpress.org
Mon Dec 2 19:38:49 UTC 2013


#26365: map_meta_cap() should use parent post status when post has a post status of
inherit
-----------------------------+-----------------------------
 Reporter:  methnen          |      Owner:
     Type:  defect (bug)     |     Status:  new
 Priority:  normal           |  Milestone:  Awaiting Review
Component:  Role/Capability  |    Version:  trunk
 Severity:  normal           |   Keywords:
-----------------------------+-----------------------------
 When a post has a status of inherit `map_meta_cap()` fails to use the
 parent's status and so logic that uses the status to determine the mapping
 doesn't behave as expected.

 For example `read_post()` will often fail when it should pass.  Similarly
 for `delete_post()` and `edit_post()`.

 This has recently caused a variety of difficulties in a project I've been
 working on where we have a custom post type that uses the inherit post
 status on children so authors only need to manage the post status of the
 main parent post.

 The fix is two parts.  One a fix to `get_post_status()` that causes it to
 check the parent status so it'll work backwards to the first post that has
 a valid (not 'inherit') post status.

 The second is a fix to `map_meta_cap()` that checks for a post status of
 inherit on the post object and then uses `get_post_status()` on the
 post_parent id value.

 A couple related/similar issues:
 http://core.trac.wordpress.org/ticket/23458 (these patches would fix the
 root issue)
 http://core.trac.wordpress.org/ticket/17668 (fixed)

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Ticket URL: <http://core.trac.wordpress.org/ticket/26365>
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