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404 permalink handler. 

git-svn-id: http://svn.automattic.com/wordpress/trunk@1570 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
rboren 2004-08-27 20:59:38 +00:00
parent 3f32823b55
commit d39d7e2347
3 changed files with 62 additions and 24 deletions
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72
wp-blog-header.php
View File

@ -8,34 +8,48 @@ 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'] ) ) {
$query_vars = array();
// Process PATH_INFO and 404.
if ((isset($_GET['error']) && $_GET['error'] == '404') ||
(! 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'];
$pathinfo = $_SERVER['PATH_INFO'];
$req_uri = $_SERVER['REQUEST_URI'];
$home_path = parse_url(get_settings('home'));
$home_path = $home_path['path'];
// Trim path info from the end and the leading home path from the
// front. For path info requests, this leaves us with the requesting
// filename, if any. For 404 requests, this leaves us with the
// requested permalink.
$req_uri = str_replace($pathinfo, '', $req_uri);
$req_uri = preg_replace("!/+$!", '', $req_uri);
$req_uri = explode('/', $req_uri);
$req_uri = $req_uri[count($req_uri)-1];
$req_uri = str_replace($home_path, '', $req_uri);
$req_uri = trim($req_uri, '/');
$pathinfo = trim($pathinfo, '/');
// The requested permalink is in $pathinfo for path info requests and
// $req_uri for other requests.
if (! empty($pathinfo)) {
$request = $pathinfo;
} else {
$request = $req_uri;
}
// Look for matches.
$pathinfomatch = $pathinfo;
$request_match = $request;
foreach ($rewrite as $match => $query) {
// If the request URI is the anchor of the match, prepend it
// If the requesting file is the anchor of the match, prepend it
// to the path info.
if ((! empty($req_uri)) && (strpos($match, $req_uri) === 0)) {
$pathinfomatch = $req_uri . '/' . $pathinfo;
}
if ((! empty($req_uri)) && (strpos($match, $req_uri) === 0)) {
$request_match = $req_uri . '/' . $request;
}
if (preg_match("!^$match!", $pathinfomatch, $matches)) {
if (preg_match("!^$match!", $request_match, $matches)) {
// Got a match.
// Trim the query of everything up to the '?'.
$query = preg_replace("!^.+\?!", '', $query);
@ -44,25 +58,32 @@ if ( !empty( $_SERVER['PATH_INFO'] ) ) {
eval("\$query = \"$query\";");
// Parse the query.
parse_str($query, $path_info);
parse_str($query, $query_vars);
// If we're processing a 404 request, clear the error var
// since we found something.
if (isset($_GET['error'])) {
unset($_GET['error']);
}
break;
}
}
}
}
}
$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', 'static', 'pagename');
$wpvarstoreset = array('m','p','posts','w', 'cat','withcomments','s','search','exact', 'sentence','poststart','postend','preview','debug', 'calendar','page','paged','more','tb', 'pb','author','order','orderby', 'year', 'monthnum', 'day', 'hour', 'minute', 'second', 'name', 'category_name', 'feed', 'author_name', 'static', 'pagename', 'error');
for ($i=0; $i<count($wpvarstoreset); $i += 1) {
$wpvar = $wpvarstoreset[$i];
if (!isset($$wpvar)) {
if (empty($_POST[$wpvar])) {
if (empty($_GET[$wpvar]) && empty($path_info[$wpvar])) {
if (empty($_GET[$wpvar]) && empty($query_vars[$wpvar])) {
$$wpvar = '';
} elseif (!empty($_GET[$wpvar])) {
$$wpvar = $_GET[$wpvar];
} else {
$$wpvar = $path_info[$wpvar];
$$wpvar = $query_vars[$wpvar];
}
} else {
$$wpvar = $_POST[$wpvar];
@ -199,6 +220,11 @@ if (is_single() && (! isset($wp_did_single)) &&
$wp_did_search = true;
include(ABSPATH . 'wp-content/search.php');
exit;
} else if (is_404() && (! isset($wp_did_404)) &&
file_exists(ABSPATH . 'wp-content/404.php')) {
$wp_did_404 = true;
include(ABSPATH . 'wp-content/404.php');
exit;
} else if (is_feed() && $pagenow != 'wp-feed.php') {
include(dirname(__FILE__) . '/wp-feed.php');
exit;

8
wp-includes/classes.php
View File

@ -22,6 +22,7 @@ class WP_Query {
var $is_search = false;
var $is_feed = false;
var $is_home = false;
var $is_404 = false;
function init () {
$this->is_single = false;
@ -37,6 +38,7 @@ class WP_Query {
$this->is_search = false;
$this->is_feed = false;
$this->is_home = false;
$this->is_404 = false;
unset($this->posts);
unset($this->query);
@ -160,12 +162,16 @@ class WP_Query {
$this->is_page = true;
}
if ('' != $qv['error'] || '404' == $qv['pagename']) {
$this->is_404 = true;
}
if ( ($this->is_date || $this->is_author || $this->is_category)
&& (! ($this->is_single || $this->is_page)) ) {
$this->is_archive = true;
}
if ( ! ($this->is_archive || $this->is_single || $this->is_page || $this->is_search || $this->is_feed)) {
if ( ! ($this->is_archive || $this->is_single || $this->is_page || $this->is_search || $this->is_feed || $this->is_404)) {
$this->is_home = true;
}
}

6
wp-includes/functions.php
View File

@ -1662,6 +1662,12 @@ function is_home () {
return $wp_query->is_home;
}
function is_404 () {
global $wp_query;
return $wp_query->is_404;
}
function get_query_var($var) {
global $wp_query;