Source for file _blog_main.php

Documentation is available at _blog_main.php

<?php
/**
* This file loads the blog!
*
* b2evolution - {@link http://b2evolution.net/}
* Released under GNU GPL License - {@link http://b2evolution.net/about/license.html}
*
* @package evocore
*/
/**
* Initialize everything:
*/
require_once (dirname(__FILE__). '/_main.php');
// Getting GET or POST parameters:
param( 'blog', 'integer', 0, true ); // Can't use $default_to_blog because the param must always be included in regenerate_url() when present
param( 'p', 'integer', '', true ); // Specific post number to display
param( 'm', 'integer', '', true ); // YearMonth(Day) to display
param( 'w', 'integer', -1, true ); // Week number
param( 'cat', 'string', '', true ); // List of cats to restrict to
param( 'catsel', 'array', array(), true ); // Array of cats to restrict to
foreach( $catsel as $k => $v )
{ // make sure this are all integers, to prevent SQL injection!
$catsel[$k] = (int)$v;
}
param( 'author', 'integer', '', true ); // List of authors to restrict to
param( 'order', 'string', 'DESC', true ); // ASC or DESC
param( 'orderby', 'string', '', true ); // list of fields to order by
param( 'posts', 'integer', '', true ); // # of posts to display on the page
param( 'paged', 'integer', '', true ); // List page number in paged display
param( 'poststart', 'integer', '', true ); // Start results at this position
param( 'postend', 'integer', '', true ); // End results at this position
// param( 'search', 'string' ); // obsolete (dangerous!)
param( 's', 'string', '', true ); // Search string
param( 'sentence', 'string', 'AND', true ); // Search for sentence or for words
param( 'exact', 'integer', '', true ); // Require exact match of title or contents
param( 'preview', 'integer', 0, true ); // Is this preview ?
param( 'calendar', 'string', '', true ); // Display a specific month in the calendar
param( 'c', 'string', '', true );
param( 'page', 'integer', '', true );
param( 'more', 'integer', 0, true );
param( 'title', 'string', '', true ); // urtitle of post to display
param( 'tb', 'integer', 0, true );
param( 'pb', 'integer', 0, true );
param( 'disp', 'string', '', true );
param( 'stats', 'integer', 0 ); // deprecated
if( !isset($timestamp_min) ) $timestamp_min = '';
if( !isset($timestamp_max) ) $timestamp_max = '';
if( empty($disp) )
{ // Conversion support for old params:
if( $c == 'last')
{ // Translate old last comments caller
$disp = 'comments';
}
elseif( $stats )
{ // Translate old stats caller
$disp = 'stats';
}
}
if( $disp == 'stats' )
{
require dirname(__FILE__).'/_410_stats_gone.page.php'; // error & exit
}
// Getting current blog info:
$Blog = Blog_get_by_ID( $blog ); /* TMP: */ $blogparams = get_blogparams_by_ID( $blog );
// Activate matching locale:
debug_log('Activating blog locale: '.$Blog->get('locale'));
locale_activate( $Blog->get('locale') );
// -------------------------
// Extra path info decoding:
// -------------------------
if( !isset( $resolve_extra_path ) ) $resolve_extra_path = true;
if( !isset( $generating_static ) ) $generating_static = false;
if( $resolve_extra_path && ! $generating_static )
{
// Check and Remove blog baseurl from ReqPath:
$blog_baseurl = substr( $Blog->get( 'baseurl' ), strlen( $baseurlroot ) );
if( ($pos = strpos( $ReqPath, $blog_baseurl )) !== false )
{ // note: $pos will typically be 0
$path_string = substr( $ReqPath, $pos+strlen( $blog_baseurl ) );
//echo "path=[$path_string] ";
// Slice the path:
$path_split = explode( '/', $path_string, 20 );
// Remove empty slots:
$path_elements = array();
foreach( $path_split as $path_element )
{
if( !empty( $path_element ) )
{
$path_elements[] = $path_element;
}
}
// echo count( $path_elements );
$path_error = 0;
$i=0;
// echo $path_elements[$i];
if( isset( $path_elements[$i] ) && preg_match( '#.+\.php[0-9]?#', $path_elements[$i] ) )
{ // Ignore *.php
// echo 'Ignoring *.php';
$i++;
}
if( isset( $path_elements[$i] ) && preg_match( '#^'.$Blog->get( 'stub' ).'(\.php)?$#', $path_elements[$i] ) )
{ // Ignore stub file
// echo 'Ignoring stub file';
$i++;
}
// echo $path_elements[$i];
if( isset( $path_elements[$i] ) )
{
if( is_numeric( $path_elements[$i] ) )
{ // We'll consider this to be the year
$m = $path_elements[$i++];
if( isset( $path_elements[$i] ) && is_numeric( $path_elements[$i] ) )
{ // We'll consider this to be the month
$m .= $path_elements[$i++];
if( isset( $path_elements[$i] ) && is_numeric( $path_elements[$i] ) )
{ // We'll consider this to be the day
$m .= $path_elements[$i++];
if( isset( $path_elements[$i] ) && (!empty( $path_elements[$i] )) )
{ // We'll consider this to be a ref to a post
// We are accessing a post by permalink
// Set a lot of defaults as if we had received a complex URL:
$m = '';
$more = 1; // Display the extended entries' text
$c = 1; // Display comments
$tb = 1; // Display trackbacks
$pb = 1; // Display pingbacks
if( preg_match( "#^p([0-9]+)$#", $path_elements[$i], $req_post ) )
{ // The last param is of the form p000
// echo 'post number';
$p = $req_post[1]; // Post to display
}
else
{ // Last param is a string, we'll consider this to be a post urltitle
$title = $path_elements[$i];
// echo 'post title : ', $title;
}
}
}
}
elseif( isset( $path_elements[$i] ) && substr( $path_elements[$i], 0, 1 ) == 'w' )
{ // We consider this a week number
$w = substr( $path_elements[$i], 1, 2 );
}
}
else
{ // We did not get a number/year...
$path_error = 404;
}
}
if( $path_error == 404 )
{ // The request points to something we won't be able to resolve:
require dirname(__FILE__).'/_404_not_found.page.php'; // error & exit
}
}
}
if( (!empty($p)) || (!empty($title)) || (!empty($preview)) )
{ // We are going to display a single post
$disp = 'single';
}
if( empty( $disp ) )
{ // default display:
$disp = 'posts';
}
if( ($disp == 'posts') || ($disp == 'single') )
{ // If we are going to display posts and not something special...
// On single post requests, check if we're on the right blog!
if( $redirect_to_postblog && ( $disp == 'single' ) )
{ // Yes we need to check.
if( !empty($p) )
$Item = Item_get_by_ID( $p ); // TODO: use cache
else
$Item = Item_get_by_title( $title ); // TODO: use cache
if( ($Item !== false) && ($Item->blog_ID != $blog) )
{ // We're on the wrong blog (probably an old permalink) let's redirect
$new_permalink = $Item->gen_permalink( '', '', false, '&' );
# echo $new_permalink;
header ("Location: $new_permalink");
exit();
}
}
// Note: even if we request the same post, the following will do more restrictions (dates, etc.)
$MainList = & new ItemList( $blog, $show_statuses, $p, $m, $w, $cat, $catsel, $author, $order,
$orderby, $posts, $paged, $poststart, $postend, $s, $sentence, $exact,
$preview, '', '', $timestamp_min, $timestamp_max, $title );
$posts_per_page = $MainList->posts_per_page;
$what_to_show = $MainList->what_to_show;
$request = & $MainList->request;
// $result = & $MainList->result;
$result_num_rows = $MainList->get_num_rows();
$postIDlist = & $MainList->postIDlist;
$postIDarray = & $MainList->postIDarray;
}
else
{ // we are not trying to display posts:
$result_num_rows = 0;
}
// Default display params:
// Displaying of vlog list on templates?
if( !isset($display_blog_list) )
{ // If not already set in stub:
$display_blog_list = get_bloginfo('disp_bloglist');
}
/*
* Now, we'll jump to displaying!
*/
if( !isset( $skin ) )
{ // No skin forced in stub (not even '' for no-skin)...
// We're going to need a default skin:
if( ( !isset( $default_skin ) ) // No default skin forced in stub
|| ( !skin_exists( $default_skin ) ) ) // Or the forced default does not exist
{ // Use default from the datatabse
$default_skin = $Blog->get('default_skin');
}
if( !skin_exists( $default_skin ) || empty( $default_skin ) )
{ // blog's default skin does not exist
// Because a lot of bloggers will set themseleves a cookie and delete the default skin,
// we have to make this fool proof extra checking!
printf( T_('The default skin [%s] set for blog [%s] does not exist. It must be properly set in the <a %s>blog properties</a> or properly overriden in a stub file. Contact the <a %s>webmaster</a>...'), $default_skin , $Blog->dget('shortname'), 'href="'.$admin_url.'/b2blogs.php?action=edit&blog='.$Blog->ID.'"', 'href="mailto:'.$admin_email.'"');
die();
}
if( $Blog->get('force_skin') )
{ // Blog params tell us to force the use of default skin
$skin = $default_skin;
}
else
{ // Get the saved skin in cookie or default:
param( $cookie_state, 'string', $default_skin );
// Get skin by params or default to cookie
// (if cookie was not set, the $$cookie_state contains default skin!)
param( 'skin', 'string', $$cookie_state );
}
}
// At this point $skin holds the name of the skin we want to use, or '' for no skin!
// check to see if we want to display the popup or the main template
param( 'template', 'string', 'main', true );
if( !empty( $skin ) )
{ // We want to display now:
if( (!empty($_GET['skin'])) || (!empty($_POST['skin'])) )
{ // We have just asked for the skin explicitely
// Set a cookie to remember it:
// Including config and functions files
if( ! setcookie( $cookie_state, $skin, $cookie_expires, $cookie_path, $cookie_domain) )
{ // This damn failed !
echo "setcookie failed!";
}
// Erase OLD versions cookies:
if( ! setcookie( 'b2evostate', '', $cookie_expired, $cookie_path, $cookie_domain) )
{ // This damn failed !
echo "setcookie failed!";
}
if( ! setcookie( 'b2evostate', '', $cookie_expired, '/') )
{ // This damn failed !
echo "setcookie failed!";
}
}
if( ereg( '([^-A-Za-z0-9._]|\.\.)', $skin ) )
{
// echo ("Invalid skin name!");
$skin = $default_skin;
}
elseif( !skin_exists($skin) )
{
// echo "Oops, no such skin!";
$skin = $default_skin;
}
if( $template == 'popup' )
{ // Do the popup display
require get_path( 'skins' )."/$skin/_popup.php";
}
else
{ // Do the main display
require get_path( 'skins' )."/$skin/_main.php";
}
}
else
{ // we don't want to use a skin
if( $template == 'popup' )
{ // Do the popup display
require get_path( 'skins' ).'/_popup.php';
exit();
}
// If we end up here the blog file should be a full template, not just a stub...
}
?>

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Source for file _blog_main.php

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