In get_adjacent_post(), return private post if the current user has the capacity to read it.

This mirrors the check that happens post-query in `WP_Query`. See #30911.

Props bswatson.
Fixes #30287.
Built from https://develop.svn.wordpress.org/trunk@31302


git-svn-id: http://core.svn.wordpress.org/trunk@31283 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Boone Gorges 2015-01-30 02:20:23 +00:00
parent 1f51936d8c
commit eddf93639b
2 changed files with 32 additions and 2 deletions

View File

@ -1521,6 +1521,36 @@ function get_adjacent_post( $in_same_term = false, $excluded_terms = '', $previo
}
}
// 'post_status' clause depends on the current user.
if ( is_user_logged_in() ) {
$user_id = get_current_user_id();
$post_type_object = get_post_type_object( $post->post_type );
if ( empty( $post_type_object ) ) {
$post_type_cap = $post->post_type;
$read_private_cap = 'read_private_' . $post_type_cap . 's';
} else {
$read_private_cap = $post_type_object->cap->read_private_posts;
}
/*
* Results should include private posts belonging to the current user, or private posts where the
* current user has the 'read_private_posts' cap.
*/
$private_states = get_post_stati( array( 'private' => true ) );
$where .= " AND ( p.post_status = 'publish'";
foreach ( (array) $private_states as $state ) {
if ( current_user_can( $read_private_cap ) ) {
$where .= $wpdb->prepare( " OR p.post_status = %s", $state );
} else {
$where .= $wpdb->prepare( " OR (p.post_author = %d AND p.post_status = %s)", $user_id, $state );
}
}
$where .= " )";
} else {
$where .= " AND p.post_status = 'publish'";
}
$adjacent = $previous ? 'previous' : 'next';
$op = $previous ? '<' : '>';
$order = $previous ? 'DESC' : 'ASC';
@ -1551,7 +1581,7 @@ function get_adjacent_post( $in_same_term = false, $excluded_terms = '', $previo
* @param bool $in_same_term Whether post should be in a same taxonomy term.
* @param array $excluded_terms Array of excluded term IDs.
*/
$where = apply_filters( "get_{$adjacent}_post_where", $wpdb->prepare( "WHERE p.post_date $op %s AND p.post_type = %s AND p.post_status = 'publish' $where", $current_post_date, $post->post_type ), $in_same_term, $excluded_terms );
$where = apply_filters( "get_{$adjacent}_post_where", $wpdb->prepare( "WHERE p.post_date $op %s AND p.post_type = %s $where", $current_post_date, $post->post_type ), $in_same_term, $excluded_terms );
/**
* Filter the ORDER BY clause in the SQL for an adjacent post query.

View File

@ -4,7 +4,7 @@
*
* @global string $wp_version
*/
$wp_version = '4.2-alpha-31301';
$wp_version = '4.2-alpha-31302';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.