WebKitSite/blog/wp-blog-header.php - WebKit - Git at Google

 <?php

 if (! isset($wp_did_header)):
 if ( !file_exists( dirname(__FILE__) . '/wp-config.php') ) {
 	if ( strstr( $_SERVER['PHP_SELF'], 'wp-admin') ) $path = '';
 	else $path = 'wp-admin/';
     die("There doesn't seem to be a <code>wp-config.php</code> file. I need this before we can get started. Need more help? <a href='http://wordpress.org/docs/faq/#wp-config'>We got it</a>. You can <a href='{$path}setup-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.");
 }

 $wp_did_header = true;

 require_once( dirname(__FILE__) . '/wp-config.php');

 $query_vars = array();

 // Process PATH_INFO and 404.
 if ((isset($_GET['error']) && $_GET['error'] == '404') ||
 		((! empty($_SERVER['PATH_INFO'])) &&
 		('/' != $_SERVER['PATH_INFO']) &&
 		 (false === strpos($_SERVER['PATH_INFO'], '.php'))
 		)) {

 	// If we match a rewrite rule, this will be cleared.
 	$error = '404';

 	// Fetch the rewrite rules.
 	$rewrite = $wp_rewrite->wp_rewrite_rules();

 	if (! empty($rewrite)) {
 		$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);
 		$req_uri = str_replace($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.
 		$request_match = $request;
 		foreach ($rewrite as $match => $query) {
 			// If the requesting file is the anchor of the match, prepend it
 			// to the path info.
 	    if ((! empty($req_uri)) && (strpos($match, $req_uri) === 0)) {
 	      $request_match = $req_uri . '/' . $request;
 	    }

 			if (preg_match("!^$match!", $request_match, $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, $query_vars);

 				// If we're processing a 404 request, clear the error var
 				// since we found something.
 				if (isset($_GET['error'])) {
 					unset($_GET['error']);
 				}

 				if (isset($error)) {
 					unset($error);
 				}

 				break;
 			}
 		}
 	}
  }

 $wpvarstoreset = array('m','p','posts','w', 'cat','withcomments','s','search','exact', 'sentence', 'debug', 'calendar','page','paged','more','tb', 'pb','author','order','orderby', 'year', 'monthnum', 'day', 'hour', 'minute', 'second', 'name', 'category_name', 'feed', 'author_name', 'static', 'pagename', 'page_id', 'error', 'comments_popup');

 $wpvarstoreset = apply_filters('query_vars', $wpvarstoreset);

 for ($i=0; $i<count($wpvarstoreset); $i += 1) {
 	$wpvar = $wpvarstoreset[$i];
 	if (!isset($$wpvar)) {
 		if (empty($_POST[$wpvar])) {
 			if (empty($_GET[$wpvar]) && empty($query_vars[$wpvar])) {
 				$$wpvar = '';
 			} elseif (!empty($_GET[$wpvar])) {
 				$$wpvar = $_GET[$wpvar];
 			} else {
 				$$wpvar = $query_vars[$wpvar];
 			}
 		} else {
 			$$wpvar = $_POST[$wpvar];
 		}
 	}
 }

 // Sending HTTP headers

 if ( !empty($error) && '404' == $error ) {
 	if ( preg_match('/cgi/', php_sapi_name()) )
 		@header('Status: 404 Not Found');
 	else
 		@header('HTTP/1.x 404 Not Found');
  } else if ( empty($feed) ) {
 	@header('X-Pingback: '. get_bloginfo('pingback_url'));
 	@header('Content-type: ' . get_option('html_type') . '; charset=' . get_option('blog_charset'));
 } else {
 	// We're showing a feed, so WP is indeed the only thing that last changed
 	if ( $withcomments )
 		$wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastcommentmodified('GMT'), 0).' GMT';
 	else
 		$wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastpostmodified('GMT'), 0).' GMT';
 	$wp_etag = '"' . md5($wp_last_modified) . '"';
 	@header("Last-Modified: $wp_last_modified");
 	@header("ETag: $wp_etag");
 	@header('X-Pingback: ' . get_bloginfo('pingback_url'));

 	// Support for Conditional GET
 	if (isset($_SERVER['HTTP_IF_NONE_MATCH'])) $client_etag = stripslashes($_SERVER['HTTP_IF_NONE_MATCH']);
 	else $client_etag = false;

 	$client_last_modified = trim( $_SERVER['HTTP_IF_MODIFIED_SINCE']);
 	// If string is empty, return 0. If not, attempt to parse into a timestamp
 	$client_modified_timestamp = $client_last_modified ? strtotime($client_last_modified) : 0;

 	// Make a timestamp for our most recent modification...
 	$wp_modified_timestamp = strtotime($wp_last_modified);

 	if ( ($client_last_modified && $client_etag) ?
 		(($client_modified_timestamp >= $wp_modified_timestamp) && ($client_etag == $wp_etag)) :
 		(($client_modified_timestamp >= $wp_modified_timestamp) || ($client_etag == $wp_etag)) ) {
 		if ( preg_match('/cgi/',php_sapi_name()) ) {
 			header('Status: 304 Not Modified');
 			echo "\r\n\r\n";
 			exit;
 		} else {
 			if ( version_compare(phpversion(), '4.3.0', '>=') )
 				header('Not Modified', TRUE, 304);
 			else
 				header('HTTP/1.x 304 Not Modified');
 			exit;
 		}
 	}
 }

 $use_gzipcompression = get_settings('gzipcompression');

 $more_wpvars = array('posts_per_page', 'posts_per_archive_page', 'what_to_show', 'showposts', 'nopaging');

 // Construct the query string.
 $query_string = '';
 foreach (array_merge($wpvarstoreset, $more_wpvars) as $wpvar) {
 	if ($$wpvar != '') {
 		$query_string .= (strlen($query_string) < 1) ? '' : '&';
 		$query_string .= $wpvar . '=' . rawurlencode($$wpvar);
 	}
 }

 $query_string = apply_filters('query_string', $query_string);

 update_category_cache();
 get_currentuserinfo();

 // Call query posts to do the work.
 $posts = & query_posts($query_string);

 // Extract updated query vars back into global namespace.
 extract($wp_query->query_vars);

 if ( is_single() || is_page() ) {
 	$more = 1;
 	$single = 1;
 }

 // Issue a 404 if a permalink request doesn't match any posts.  Don't issue a
 // 404 if one was already issued, if the request was a search, or if the
 // request was a regular query string request rather than a permalink request.
 if ( (0 == count($posts)) && !is_404() && !is_search()
 		&& ( isset($rewrite) || (!empty($_SERVER['QUERY_STRING']) &&
 		(false === strpos($_SERVER['REQUEST_URI'], '?'))) ) ) {
 	$wp_query->is_404 = true;
 	if ( preg_match('/cgi/', php_sapi_name()) )
 		@header('Status: 404 Not Found');
 	else
 		@header('HTTP/1.x 404 Not Found');
 }

 if ($pagenow != 'post.php' && $pagenow != 'edit.php') {
 	if ( get_settings('gzipcompression') )
 		gzip_compression();
 }

 // Template redirection
 if ( defined('WP_USE_THEMES') && constant('WP_USE_THEMES') ) {
 	do_action('template_redirect');
 	if ( is_feed() && empty($doing_rss) ) {
 		include(ABSPATH . '/wp-feed.php');
 		exit;
 	} else if ( is_trackback() && empty($doing_trackback) ) {
 		include(ABSPATH . '/wp-trackback.php');
 		exit;
 	} else if ( is_404() && get_404_template() ) {
 		include(get_404_template());
 		exit;
 	} else if ( is_search() && get_search_template() ) {
 		include(get_search_template());
 		exit;
 	} else if ( is_home() && get_home_template() ) {
 		include(get_home_template());
 		exit;
 	} else if ( is_single() && get_single_template() ) {
 		include(get_single_template());
 		exit;
 	} else if ( is_page() && get_page_template() ) {
 		include(get_page_template());
 		exit;
 	} else if ( is_category() && get_category_template()) {
 		include(get_category_template());
 		exit;
 	} else if ( is_author() && get_author_template() ) {
 		include(get_author_template());
 		exit;
 	} else if ( is_date() && get_date_template() ) {
 		include(get_date_template());
 		exit;
 	} else if ( is_archive() && get_archive_template() ) {
 		include(get_archive_template());
 		exit;
 	} else if ( is_comments_popup() && get_comments_popup_template() ) {
 		include(get_comments_popup_template());
 		exit;
 	} else if ( is_paged() && get_paged_template() ) {
 		include(get_paged_template());
 		exit;
 	} else if ( file_exists(TEMPLATEPATH . "/index.php") ) {
 		include(TEMPLATEPATH . "/index.php");
 		exit;
 	}
 } else {
 	// Process feeds and trackbacks even if not using themes.
 	if ( is_feed() && empty($doing_rss) ) {
 		include(ABSPATH . '/wp-feed.php');
 		exit;
 	} else if ( is_trackback() && empty($doing_trackback) ) {
 		include(ABSPATH . '/wp-trackback.php');
 		exit;
 	}
 }

 endif;
 ?>
	<?php

	if (! isset($wp_did_header)):
	if ( !file_exists( dirname(__FILE__) . '/wp-config.php') ) {
	if ( strstr( $_SERVER['PHP_SELF'], 'wp-admin') ) $path = '';
	else $path = 'wp-admin/';
	die("There doesn't seem to be a <code>wp-config.php</code> file. I need this before we can get started. Need more help? <a href='http://wordpress.org/docs/faq/#wp-config'>We got it</a>. You can <a href='{$path}setup-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.");
	}

	$wp_did_header = true;

	require_once( dirname(__FILE__) . '/wp-config.php');

	$query_vars = array();

	// Process PATH_INFO and 404.
	if ((isset($_GET['error']) && $_GET['error'] == '404') \|\|
	((! empty($_SERVER['PATH_INFO'])) &&
	('/' != $_SERVER['PATH_INFO']) &&
	(false === strpos($_SERVER['PATH_INFO'], '.php'))
	)) {

	// If we match a rewrite rule, this will be cleared.
	$error = '404';

	// Fetch the rewrite rules.
	$rewrite = $wp_rewrite->wp_rewrite_rules();

	if (! empty($rewrite)) {
	$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);
	$req_uri = str_replace($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.
	$request_match = $request;
	foreach ($rewrite as $match => $query) {
	// If the requesting file is the anchor of the match, prepend it
	// to the path info.
	if ((! empty($req_uri)) && (strpos($match, $req_uri) === 0)) {
	$request_match = $req_uri . '/' . $request;
	}

	if (preg_match("!^$match!", $request_match, $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, $query_vars);

	// If we're processing a 404 request, clear the error var
	// since we found something.
	if (isset($_GET['error'])) {
	unset($_GET['error']);
	}

	if (isset($error)) {
	unset($error);
	}

	break;
	}
	}
	}
	}

	$wpvarstoreset = array('m','p','posts','w', 'cat','withcomments','s','search','exact', 'sentence', 'debug', 'calendar','page','paged','more','tb', 'pb','author','order','orderby', 'year', 'monthnum', 'day', 'hour', 'minute', 'second', 'name', 'category_name', 'feed', 'author_name', 'static', 'pagename', 'page_id', 'error', 'comments_popup');

	$wpvarstoreset = apply_filters('query_vars', $wpvarstoreset);

	for ($i=0; $i<count($wpvarstoreset); $i += 1) {
	$wpvar = $wpvarstoreset[$i];
	if (!isset($$wpvar)) {
	if (empty($_POST[$wpvar])) {
	if (empty($_GET[$wpvar]) && empty($query_vars[$wpvar])) {
	$$wpvar = '';
	} elseif (!empty($_GET[$wpvar])) {
	$$wpvar = $_GET[$wpvar];
	} else {
	$$wpvar = $query_vars[$wpvar];
	}
	} else {
	$$wpvar = $_POST[$wpvar];
	}
	}
	}

	// Sending HTTP headers

	if ( !empty($error) && '404' == $error ) {
	if ( preg_match('/cgi/', php_sapi_name()) )
	@header('Status: 404 Not Found');
	else
	@header('HTTP/1.x 404 Not Found');
	} else if ( empty($feed) ) {
	@header('X-Pingback: '. get_bloginfo('pingback_url'));
	@header('Content-type: ' . get_option('html_type') . '; charset=' . get_option('blog_charset'));
	} else {
	// We're showing a feed, so WP is indeed the only thing that last changed
	if ( $withcomments )
	$wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastcommentmodified('GMT'), 0).' GMT';
	else
	$wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastpostmodified('GMT'), 0).' GMT';
	$wp_etag = '"' . md5($wp_last_modified) . '"';
	@header("Last-Modified: $wp_last_modified");
	@header("ETag: $wp_etag");
	@header('X-Pingback: ' . get_bloginfo('pingback_url'));

	// Support for Conditional GET
	if (isset($_SERVER['HTTP_IF_NONE_MATCH'])) $client_etag = stripslashes($_SERVER['HTTP_IF_NONE_MATCH']);
	else $client_etag = false;

	$client_last_modified = trim( $_SERVER['HTTP_IF_MODIFIED_SINCE']);
	// If string is empty, return 0. If not, attempt to parse into a timestamp
	$client_modified_timestamp = $client_last_modified ? strtotime($client_last_modified) : 0;

	// Make a timestamp for our most recent modification...
	$wp_modified_timestamp = strtotime($wp_last_modified);

	if ( ($client_last_modified && $client_etag) ?
	(($client_modified_timestamp >= $wp_modified_timestamp) && ($client_etag == $wp_etag)) :
	(($client_modified_timestamp >= $wp_modified_timestamp) \|\| ($client_etag == $wp_etag)) ) {
	if ( preg_match('/cgi/',php_sapi_name()) ) {
	header('Status: 304 Not Modified');
	echo "\r\n\r\n";
	exit;
	} else {
	if ( version_compare(phpversion(), '4.3.0', '>=') )
	header('Not Modified', TRUE, 304);
	else
	header('HTTP/1.x 304 Not Modified');
	exit;
	}
	}
	}

	$use_gzipcompression = get_settings('gzipcompression');

	$more_wpvars = array('posts_per_page', 'posts_per_archive_page', 'what_to_show', 'showposts', 'nopaging');

	// Construct the query string.
	$query_string = '';
	foreach (array_merge($wpvarstoreset, $more_wpvars) as $wpvar) {
	if ($$wpvar != '') {
	$query_string .= (strlen($query_string) < 1) ? '' : '&';
	$query_string .= $wpvar . '=' . rawurlencode($$wpvar);
	}
	}

	$query_string = apply_filters('query_string', $query_string);

	update_category_cache();
	get_currentuserinfo();

	// Call query posts to do the work.
	$posts = & query_posts($query_string);

	// Extract updated query vars back into global namespace.
	extract($wp_query->query_vars);

	if ( is_single() \|\| is_page() ) {
	$more = 1;
	$single = 1;
	}

	// Issue a 404 if a permalink request doesn't match any posts. Don't issue a
	// 404 if one was already issued, if the request was a search, or if the
	// request was a regular query string request rather than a permalink request.
	if ( (0 == count($posts)) && !is_404() && !is_search()
	&& ( isset($rewrite) \|\| (!empty($_SERVER['QUERY_STRING']) &&
	(false === strpos($_SERVER['REQUEST_URI'], '?'))) ) ) {
	$wp_query->is_404 = true;
	if ( preg_match('/cgi/', php_sapi_name()) )
	@header('Status: 404 Not Found');
	else
	@header('HTTP/1.x 404 Not Found');
	}

	if ($pagenow != 'post.php' && $pagenow != 'edit.php') {
	if ( get_settings('gzipcompression') )
	gzip_compression();
	}

	// Template redirection
	if ( defined('WP_USE_THEMES') && constant('WP_USE_THEMES') ) {
	do_action('template_redirect');
	if ( is_feed() && empty($doing_rss) ) {
	include(ABSPATH . '/wp-feed.php');
	exit;
	} else if ( is_trackback() && empty($doing_trackback) ) {
	include(ABSPATH . '/wp-trackback.php');
	exit;
	} else if ( is_404() && get_404_template() ) {
	include(get_404_template());
	exit;
	} else if ( is_search() && get_search_template() ) {
	include(get_search_template());
	exit;
	} else if ( is_home() && get_home_template() ) {
	include(get_home_template());
	exit;
	} else if ( is_single() && get_single_template() ) {
	include(get_single_template());
	exit;
	} else if ( is_page() && get_page_template() ) {
	include(get_page_template());
	exit;
	} else if ( is_category() && get_category_template()) {
	include(get_category_template());
	exit;
	} else if ( is_author() && get_author_template() ) {
	include(get_author_template());
	exit;
	} else if ( is_date() && get_date_template() ) {
	include(get_date_template());
	exit;
	} else if ( is_archive() && get_archive_template() ) {
	include(get_archive_template());
	exit;
	} else if ( is_comments_popup() && get_comments_popup_template() ) {
	include(get_comments_popup_template());
	exit;
	} else if ( is_paged() && get_paged_template() ) {
	include(get_paged_template());
	exit;
	} else if ( file_exists(TEMPLATEPATH . "/index.php") ) {
	include(TEMPLATEPATH . "/index.php");
	exit;
	}
	} else {
	// Process feeds and trackbacks even if not using themes.
	if ( is_feed() && empty($doing_rss) ) {
	include(ABSPATH . '/wp-feed.php');
	exit;
	} else if ( is_trackback() && empty($doing_trackback) ) {
	include(ABSPATH . '/wp-trackback.php');
	exit;
	}
	}

	endif;
	?>