Wordpress/wp-blog-header.php

525 lines
18 KiB
PHP

<?php
if (!file_exists(dirname(__FILE__).'/' . 'wp-config.php'))
die("There doesn't seem to be a <code>wp-config.php</code> file. I need this before we can get started. Need more help? <a href='http://wordpress.org/docs/faq/#wp-config'>We got it</a>. You can <a href='wp-admin/install-config.php'>create a <code>wp-config.php</code> file through a web interface</a>, but this doesn't work for all server setups. The safest way is to manually create the file.");
require_once(dirname(__FILE__).'/' . '/wp-config.php');
require_once(dirname(__FILE__).'/' . 'wp-includes/wp-l10n.php');
// Process PATH_INFO, if set.
$path_info = array();
if (! empty($_SERVER['PATH_INFO'])) {
// Fetch the rewrite rules.
$rewrite = rewrite_rules('matches');
$pathinfo = $_SERVER['PATH_INFO'];
// Trim leading '/'.
$pathinfo = preg_replace("!^/!", '', $pathinfo);
if (! empty($rewrite)) {
// Get the name of the file requesting path info.
$req_uri = $_SERVER['REQUEST_URI'];
$req_uri = str_replace($pathinfo, '', $req_uri);
$req_uri = preg_replace("!/+$!", '', $req_uri);
$req_uri = explode('/', $req_uri);
$req_uri = $req_uri[count($req_uri)-1];
// Look for matches.
$pathinfomatch = $pathinfo;
foreach ($rewrite as $match => $query) {
// If the request URI is the anchor of the match, prepend it
// to the path info.
if ((! empty($req_uri)) && (strpos($match, $req_uri) === 0)) {
$pathinfomatch = $req_uri . '/' . $pathinfo;
}
if (preg_match("!^$match!", $pathinfomatch, $matches)) {
// Got a match.
// Trim the query of everything up to the '?'.
$query = preg_replace("!^.+\?!", '', $query);
// Substitute the substring matches into the query.
eval("\$query = \"$query\";");
// Parse the query.
parse_str($query, $path_info);
}
}
}
}
$wpvarstoreset = array('m','p','posts','w', 'cat','withcomments','s','search','exact', 'sentence','poststart','postend','preview','debug', 'calendar','page','paged','more','tb', 'pb','author','order','orderby', 'year', 'monthnum', 'day', 'hour', 'minute', 'second', 'name', 'category_name', 'feed', 'author_name');
for ($i=0; $i<count($wpvarstoreset); $i += 1) {
$wpvar = $wpvarstoreset[$i];
if (!isset($$wpvar)) {
if (empty($_POST[$wpvar])) {
if (empty($_GET[$wpvar]) && empty($path_info[$wpvar])) {
$$wpvar = '';
} elseif (!empty($_GET[$wpvar])) {
$$wpvar = $_GET[$wpvar];
} else {
$$wpvar = $path_info[$wpvar];
}
} else {
$$wpvar = $_POST[$wpvar];
}
}
}
// Sending HTTP headers
if (!isset($doing_rss) || !$doing_rss) {
// It is presumptious to think that WP is the only thing that might change on the page.
@header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
@header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
@header("Cache-Control: no-store, no-cache, must-revalidate"); // HTTP/1.1
@header("Cache-Control: post-check=0, pre-check=0", false);
@header("Pragma: no-cache"); // HTTP/1.0
@header ('X-Pingback: '. get_settings('siteurl') . '/xmlrpc.php');
} else {
// We're showing a feed, so WP is indeed the only thing that last changed
$wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastpostmodified('GMT')).' GMT';
$wp_etag = '"'.md5($wp_last_modified).'"';
@header('Last Modified: '.$wp_last_modified);
@header('ETag: '.$wp_etag);
@header ('X-Pingback: ' . get_settings('siteurl') . '/xmlrpc.php');
// Support for Conditional GET
if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) $client_last_modified = $_SERVER['HTTP_IF_MODIFIED_SINCE'];
else $client_last_modified = false;
if (isset($_SERVER['HTTP_IF_NONE_MATCH'])) $client_etag = stripslashes($_SERVER['HTTP_IF_NONE_MATCH']);
else $client_etag = false;
if ( ($client_last_modified && $client_etag) ?
(($client_last_modified == $wp_last_modified) && ($client_etag == $wp_etag)) :
(($client_last_modified == $wp_last_modified) || ($client_etag == $wp_etag)) ) {
header('HTTP/1.1 304 Not Modified');
echo "\r\n\r\n";
exit;
}
}
// Getting settings from DB
if (isset($doing_rss) && $doing_rss == 1)
$posts_per_page=get_settings('posts_per_rss');
if (!isset($posts_per_page) || $posts_per_page == 0)
$posts_per_page = get_settings('posts_per_page');
$what_to_show = get_settings('what_to_show');
$archive_mode = get_settings('archive_mode');
$use_gzipcompression = get_settings('gzipcompression');
// First let's clear some variables
$whichcat = '';
$whichauthor = '';
$result = '';
$where = '';
$limits = '';
$distinct = '';
$join = '';
if ($pagenow != 'post.php') { timer_start(); }
if (isset($showposts) && $showposts) {
$showposts = (int)$showposts;
$posts_per_page = $showposts;
}
$add_hours = intval(get_settings('gmt_offset'));
$add_minutes = intval(60 * (get_settings('gmt_offset') - $add_hours));
$wp_posts_post_date_field = "post_date"; // "DATE_ADD(post_date, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)";
// If a month is specified in the querystring, load that month
if ('' != $m) {
$m = '' . preg_replace('|[^0-9]|', '', $m);
$where .= ' AND YEAR(post_date)=' . substr($m, 0, 4);
if (strlen($m)>5)
$where .= ' AND MONTH(post_date)=' . substr($m, 4, 2);
if (strlen($m)>7)
$where .= ' AND DAYOFMONTH(post_date)=' . substr($m, 6, 2);
if (strlen($m)>9)
$where .= ' AND HOUR(post_date)=' . substr($m, 8, 2);
if (strlen($m)>11)
$where .= ' AND MINUTE(post_date)=' . substr($m, 10, 2);
if (strlen($m)>13)
$where .= ' AND SECOND(post_date)=' . substr($m, 12, 2);
}
if ('' != $hour) {
$hour = '' . intval($hour);
$where .= " AND HOUR(post_date)='$hour'";
}
if ('' != $minute) {
$minute = '' . intval($minute);
$where .= " AND MINUTE(post_date)='$minute'";
}
if ('' != $second) {
$second = '' . intval($second);
$where .= " AND SECOND(post_date)='$second'";
}
if ('' != $year) {
$year = '' . intval($year);
$where .= " AND YEAR(post_date)='$year'";
}
if ('' != $monthnum) {
$monthnum = '' . intval($monthnum);
$where .= " AND MONTH(post_date)='$monthnum'";
}
if ('' != $day) {
$day = '' . intval($day);
$where .= " AND DAYOFMONTH(post_date)='$day'";
}
if ('' != $name) {
$name = preg_replace('/[^a-z0-9-_]/', '', $name);
$where .= " AND post_name = '$name'";
}
if ('' != $w) {
$w = ''.intval($w);
$where .= " AND WEEK(post_date, 1)='$w'";
}
// If a post number is specified, load that post
if (($p != '') && ($p != 'all')) {
$p = intval($p);
$where = ' AND ID = '.$p;
}
// If a search pattern is specified, load the posts that match
if (!empty($s)) {
$s = addslashes_gpc($s);
$search = ' AND (';
$s = preg_replace('/, +/', ' ', $s);
$s = str_replace(',', ' ', $s);
$s = str_replace('"', ' ', $s);
$s = trim($s);
if ($exact) {
$n = '';
} else {
$n = '%';
}
if (!$sentence) {
$s_array = explode(' ',$s);
$search .= '((post_title LIKE \''.$n.$s_array[0].$n.'\') OR (post_content LIKE \''.$n.$s_array[0].$n.'\'))';
for ( $i = 1; $i < count($s_array); $i = $i + 1) {
$search .= ' AND ((post_title LIKE \''.$n.$s_array[$i].$n.'\') OR (post_content LIKE \''.$n.$s_array[$i].$n.'\'))';
}
$search .= ' OR (post_title LIKE \''.$n.$s.$n.'\') OR (post_content LIKE \''.$n.$s.$n.'\')';
$search .= ')';
} else {
$search = ' AND ((post_title LIKE \''.$n.$s.$n.'\') OR (post_content LIKE \''.$n.$s.$n.'\'))';
}
}
// Category stuff
$dogs = $wpdb->get_results("SELECT * FROM $tablecategories WHERE 1=1");
foreach ($dogs as $catt) {
$cache_categories[$catt->cat_ID] = $catt;
}
if ((empty($cat)) || ($cat == 'all') || ($cat == '0') ||
// Bypass cat checks if fetching specific posts
(
intval($year) || intval($monthnum) || intval($day) || intval($w) ||
intval($p) || !empty($name) || !empty($s)
)
) {
$whichcat='';
} else {
$cat = ''.urldecode($cat).'';
$cat = addslashes_gpc($cat);
if (stristr($cat,'-')) {
// Note: if we have a negative, we ignore all the positives. It must
// always mean 'everything /except/ this one'. We should be able to do
// multiple negatives but we don't :-(
$eq = '!=';
$andor = 'AND';
$cat = explode('-',$cat);
$cat = intval($cat[1]);
} else {
$eq = '=';
$andor = 'OR';
}
$join = " LEFT JOIN $tablepost2cat ON ($tableposts.ID = $tablepost2cat.post_id) ";
$cat_array = explode(' ',$cat);
$whichcat .= ' AND (category_id '.$eq.' '.intval($cat_array[0]);
$whichcat .= get_category_children($cat_array[0], ' '.$andor.' category_id '.$eq.' ');
for ($i = 1; $i < (count($cat_array)); $i = $i + 1) {
$whichcat .= ' '.$andor.' category_id '.$eq.' '.intval($cat_array[$i]);
$whichcat .= get_category_children($cat_array[$i], ' '.$andor.' category_id '.$eq.' ');
}
$whichcat .= ')';
if ($eq == '!=') {
$cat = '-'.$cat; // Put back the knowledge that we are excluding a category.
}
}
// Category stuff for nice URIs
if ('' != $category_name) {
if (stristr($category_name,'/')) {
$category_name = explode('/',$category_name);
if ($category_name[count($category_name)-1]) {
$category_name = $category_name[count($category_name)-1]; // no trailing slash
} else {
$category_name = $category_name[count($category_name)-2]; // there was a trailling slash
}
}
$category_name = preg_replace('|[^a-z0-9-]|i', '', $category_name);
$tables = ", $tablepost2cat, $tablecategories";
$join = " LEFT JOIN $tablepost2cat ON ($tableposts.ID = $tablepost2cat.post_id) LEFT JOIN $tablecategories ON ($tablepost2cat.category_id = $tablecategories.cat_ID) ";
$whichcat = " AND (category_nicename = '$category_name'";
$cat = $wpdb->get_var("SELECT cat_ID FROM $tablecategories WHERE category_nicename = '$category_name'");
$whichcat .= get_category_children($cat, " OR category_id = ");
$whichcat .= ")";
}
// Author/user stuff
$users = $wpdb->get_results("SELECT * FROM $tableusers WHERE user_level > 0");
foreach ($users as $user) {
$cache_userdata[$user->ID] = $user;
}
if ((empty($author)) || ($author == 'all') || ($author == '0')) {
$whichauthor='';
} else {
$author = ''.urldecode($author).'';
$author = addslashes_gpc($author);
if (stristr($author, '-')) {
$eq = '!=';
$andor = 'AND';
$author = explode('-', $author);
$author = ''.intval($author[1]);
} else {
$eq = '=';
$andor = 'OR';
}
$author_array = explode(' ', $author);
$whichauthor .= ' AND (post_author '.$eq.' '.intval($author_array[0]);
for ($i = 1; $i < (count($author_array)); $i = $i + 1) {
$whichauthor .= ' '.$andor.' post_author '.$eq.' '.intval($author_array[$i]);
}
$whichauthor .= ')';
}
// Author stuff for nice URIs
if ('' != $author_name) {
if (stristr($author_name,'/')) {
$author_name = explode('/',$author_name);
if ($author_name[count($author_name)-1]) {
$author_name = $author_name[count($author_name)-1];#no trailing slash
} else {
$author_name = $author_name[count($author_name)-2];#there was a trailling slash
}
}
$author_name = preg_replace('|[^a-z0-9-]|', '', strtolower($author_name));
$author = $wpdb->get_var("SELECT ID FROM $tableusers WHERE user_nicename='".$author_name."'");
$whichauthor .= ' AND (post_author = '.intval($author).')';
}
$where .= $search.$whichcat.$whichauthor;
if ((empty($order)) || ((strtoupper($order) != 'ASC') && (strtoupper($order) != 'DESC'))) {
$order='DESC';
}
// Order by
if (empty($orderby)) {
$orderby='date '.$order;
} else {
// Used to filter values
$allowed_keys = array('author','date','category','title');
$orderby = urldecode($orderby);
$orderby = addslashes_gpc($orderby);
$orderby_array = explode(' ',$orderby);
if (!in_array($orderby_array[0],$allowed_keys)) {
$orderby_array[0] = 'date';
}
$orderby = $orderby_array[0].' '.$order;
if (count($orderby_array)>1) {
for ($i = 1; $i < (count($orderby_array)); $i = $i + 1) {
// Only allow certain values for safety
if (in_array($orderby_array[$i],$allowed_keys)) {
$orderby .= ',post_'.$orderby_array[$i].' '.$order;
}
}
}
}
if ((!$whichcat) && (!$m) && (!$p) && (!$w) && (!$s) && empty($poststart) && empty($postend)) {
if ($what_to_show == 'posts') {
$limits = ' LIMIT '.$posts_per_page;
} elseif ($what_to_show == 'days' && empty($monthnum) && empty($year) && empty($day)) {
$lastpostdate = get_lastpostdate();
$lastpostdate = mysql2date('Y-m-d 00:00:00',$lastpostdate);
$lastpostdate = mysql2date('U',$lastpostdate);
$otherdate = date('Y-m-d H:i:s', ($lastpostdate - (($posts_per_page-1) * 86400)));
$where .= " AND post_date > '$otherdate'";
}
}
if ( !empty($postend) && ($postend > $poststart) && (!$m) && empty($monthnum) && empty($year) && empty($day) &&(!$w) && (!$whichcat) && (!$s) && (!$p)) {
if ($what_to_show == 'posts' || ($what_to_show == 'paged' && (!$paged))) {
$poststart = intval($poststart);
$postend = intval($postend);
$limposts = $postend - $poststart;
$limits = ' LIMIT '.$poststart.','.$limposts;
} elseif ($what_to_show == 'days') {
$poststart = intval($poststart);
$postend = intval($postend);
$limposts = $postend - $poststart;
$lastpostdate = get_lastpostdate();
$lastpostdate = mysql2date('Y-m-d 00:00:00',$lastpostdate);
$lastpostdate = mysql2date('U',$lastpostdate);
$startdate = date('Y-m-d H:i:s', ($lastpostdate - (($poststart -1) * 86400)));
$otherdate = date('Y-m-d H:i:s', ($lastpostdate - (($postend -1) * 86400)));
$where .= " AND post_date > '$otherdate' AND post_date < '$startdate'";
}
} else {
if (($what_to_show == 'paged') && (!$p) && (!$more)) {
if ($pagenow != 'post.php') {
$pgstrt = '';
if ($paged) {
$pgstrt = (intval($paged) -1) * $posts_per_page . ', ';
}
$limits = 'LIMIT '.$pgstrt.$posts_per_page;
} else {
if (($m) || ($p) || ($w) || ($s) || ($whichcat)) {
$limits = '';
} else {
$pgstrt = '';
if ($paged) {
$pgstrt = (intval($paged) -1) * $posts_per_page . ', ';
}
$limits = 'LIMIT '.$pgstrt.$posts_per_page;
}
}
}
elseif (($m) || ($p) || ($w) || ($s) || ($whichcat) || ($author) || $monthnum || $year || $day) {
$limits = '';
}
}
if ($p == 'all') {
$where = '';
}
$now = gmdate('Y-m-d H:i:59');
if ($pagenow != 'post.php' && $pagenow != 'edit.php') {
if ((empty($poststart)) || (empty($postend)) || !($postend > $poststart)) {
$where .= " AND post_date_gmt <= '$now'";
}
$distinct = 'DISTINCT';
if ($use_gzipcompression) {
// gzipping the output of the script
gzip_compression();
}
}
$where .= ' AND (post_status = "publish"';
// Get private posts
if (isset($user_ID) && ('' != intval($user_ID)))
$where .= " OR post_author = $user_ID AND post_status != 'draft')";
else
$where .= ')';
$where .= " GROUP BY $tableposts.ID";
$request = " SELECT $distinct * FROM $tableposts $join WHERE 1=1".$where." ORDER BY post_$orderby $limits";
if ($preview) {
$request = 'SELECT 1-1'; // dummy mysql query for the preview
// little funky fix for IEwin, rawk on that code
$is_winIE = ((preg_match('/MSIE/',$HTTP_USER_AGENT)) && (preg_match('/Win/',$HTTP_USER_AGENT)));
if (($is_winIE) && (!isset($IEWin_bookmarklet_fix))) {
$preview_content = preg_replace('/\%u([0-9A-F]{4,4})/e', "'&#'.base_convert('\\1',16,10).';'", $preview_content);
}
}
// error_log("$request");
// echo $request;
$posts = $wpdb->get_results($request);
// No point in doing all this work if we didn't match any posts.
if ($posts) {
// Get the categories for all the posts
foreach ($posts as $post) {
$post_id_list[] = $post->ID;
}
$post_id_list = implode(',', $post_id_list);
$dogs = $wpdb->get_results("SELECT DISTINCT
ID, category_id, cat_name, category_nicename, category_description, category_parent
FROM $tablecategories, $tablepost2cat, $tableposts
WHERE category_id = cat_ID AND post_id = ID AND post_id IN ($post_id_list)");
foreach ($dogs as $catt) {
$category_cache[$catt->ID][] = $catt;
}
// Do the same for comment numbers
$comment_counts = $wpdb->get_results("SELECT ID, COUNT( comment_ID ) AS ccount
FROM $tableposts
LEFT JOIN $tablecomments ON ( comment_post_ID = ID AND comment_approved = '1')
WHERE post_status = 'publish' AND ID IN ($post_id_list)
GROUP BY ID");
if ($comment_counts) {
foreach ($comment_counts as $comment_count) {
$comment_count_cache["$comment_count->ID"] = $comment_count->ccount;
}
}
// Get post-meta info
if ( $meta_list = $wpdb->get_results("
SELECT post_id,meta_key,meta_value
FROM $tablepostmeta
WHERE post_id IN($post_id_list)
ORDER BY post_id,meta_key
", ARRAY_A) ) {
// Change from flat structure to hierarchical:
$post_meta_cache = array();
foreach ($meta_list as $metarow) {
$mpid = $metarow['post_id'];
$mkey = $metarow['meta_key'];
$mval = $metarow['meta_value'];
// Force subkeys to be array type:
if (!isset($post_meta_cache[$mpid]) || !is_array($post_meta_cache[$mpid]))
$post_meta_cache[$mpid] = array();
if (!isset($post_meta_cache[$mpid]["$mkey"]) || !is_array($post_meta_cache[$mpid]["$mkey"]))
$post_meta_cache[$mpid]["$mkey"] = array();
// Add a value to the current pid/key:
$post_meta_cache[$mpid][$mkey][] = $mval;
}
}
if (1 == count($posts)) {
if ($p || $name) {
$more = 1;
$single = 1;
}
if ($s && empty($paged)) { // If they were doing a search and got one result
if (!strstr($_SERVER['PHP_SELF'], 'wp-admin')) // And not in admin section
header('Location: ' . get_permalink($posts[0]->ID));
}
}
} // End if posts.
?>