File Source for view

<?php
/**
* @version $Header$
*
* @package blogs
* @subpackage functions
*/
// Copyright (c) 2002-2003, Luis Argerich, Garland Foster, Eduardo Polidor, et. al.
// All Rights Reserved. See below for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See http://www.gnu.org/copyleft/lesser.html for details.
/**
* required setup
*/
require_once( '../kernel/setup_inc.php' );
$gBitSystem->verifyPackage( 'blogs' );
require_once( BLOGS_PKG_PATH.'BitBlogPost.php' );
include_once( BLOGS_PKG_PATH.'lookup_post_inc.php' );
if( !$gContent->isValid() ) {
$gBitSystem->setHttpStatus( 404 );
$gBitSystem->fatalError( "The blog post you requested could not be found." );
}
$gContent->verifyViewPermission();
$now = $gBitSystem->getUTCTime();
$view = FALSE;
if ( $gContent->hasAdminPermission() || ( $gContent->hasUserPermission( 'p_blog_posts_read_future' ) && $gContent->hasUserPermission( 'p_blog_posts_read_expired' ) ) ){
$view = TRUE;
}elseif ( $gContent->mInfo['publish_date'] == $gContent->mInfo['expire_date'] ) {
$view = TRUE;
}elseif ( $gContent->mInfo['publish_date'] > $now && $gContent->hasUserPermission( 'p_blog_posts_read_future' ) ){
$view = TRUE;
}elseif ( $gContent->mInfo['expire_date'] < $now && $gContent->hasUserPermission( 'p_blog_posts_read_expired' ) ){
$view = TRUE;
}elseif ( ( $gContent->mInfo['publish_date'] <= $now ) && ( $gContent->mInfo['expire_date'] > $now || $gContent->mInfo['expire_date'] <= $gContent->mInfo['publish_date'] ) ){
$view = TRUE;
}
if ($view == TRUE){
include_once( BLOGS_PKG_PATH.'display_bitblogpost_inc.php' );
}else{
$gBitSystem->setHttpStatus( 404 );
$gBitSystem->fatalError( "The blog post you requested could not be found." );
}
if( $gContent->isValid() ) {
$gContent->addHit();
}
?>

Source for file view_post.php