/nacin-linking-private-posts.php Secret
Created
June 1, 2011 06:41
Allow Linking to Private Posts
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<?php | |
/* | |
* Plugin Name: Allow Linking to Private Posts | |
* Description: Allows direct linking to private posts without authentication. | |
* Author: Nacin | |
* Version: 0.1-beta | |
*/ | |
class Nacin_Links_Private_Posts { | |
private $restore = null; | |
private $comment_on_private = false; | |
function __construct() { | |
add_filter( 'posts_results', array( &$this, 'post_results' ), 10, 2 ); | |
add_action( 'pre_comment_on_post', array( &$this, 'pre_comment_on_post' ) ); | |
add_filter( 'pre_comment_approved', array( &$this, 'pre_comment_approved' ) ); | |
} | |
function post_results( $posts, $wp_query ) { | |
// Make sure this is the main query. | |
if ( $wp_query !== $GLOBALS['wp_the_query'] ) | |
return $posts; | |
// Need to be a single post, and not the comments feed. | |
if ( ! $wp_query->is_single || $wp_query->is_feed ) | |
return $posts; | |
// If the post status is private, fake it. | |
if ( $posts[0]->post_status == 'private' ) { | |
$posts[0]->post_status = 'publish'; | |
// Robots noindex, nofollow. | |
add_filter( 'pre_option_blog_public', '__return_zero' ); | |
// Add a little warning. | |
add_filter( 'the_content', array( &$this, 'the_content' ), 11 ); | |
// Restore. | |
add_filter( 'the_posts', array( &$this, 'the_posts' ) ); | |
$this->restore = $posts[0]; | |
} | |
return $posts; | |
} | |
function the_posts( $posts ) { | |
if ( $posts[0] === $this->restore ) { | |
$posts[0]->post_status = 'private'; | |
$this->restore = null; | |
} | |
return $posts; | |
} | |
function the_content( $content ) { | |
$warning = '<hr/><p><strong>Warning: This post is private. | |
It can only be accessed by the URL.</strong></p><hr/>'; | |
return $warning . $content; | |
} | |
function pre_comment_on_post( $post_id ) { | |
global $post; | |
if ( $post->post_status == 'private' ) { | |
$this->comment_on_private = true; | |
$post->post_status = 'publish'; | |
} | |
} | |
function pre_comment_approved( $approved ) { | |
if ( $this->comment_on_private ) | |
$approved = 0; | |
return $approved; | |
} | |
} | |
new Nacin_Links_Private_Posts; |
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