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WordPress/wp-includes/ms-settings.php
wpmuguru 2f3f5b351f allow www installs to enable multisite, see #11945 
git-svn-id: http://svn.automattic.com/wordpress/trunk@12787 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2010-01-21 17:20:23 +00:00

272 lines
12 KiB
PHP
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<?php
/**
* Whether a subdomain configuration is enabled
*
* @since 3.0
*
* @return bool True if subdomain configuration is enabled, false otherwise.
*/
function is_subdomain_install() {
if ( defined('VHOST') && VHOST == 'yes' )
return true;
return false;
}
if ( isset( $current_site ) && isset( $current_blog ) )
return;
// deprecated
$wpmuBaseTablePrefix = $table_prefix;
$domain = addslashes( $_SERVER['HTTP_HOST'] );
if ( strpos( $domain, ':' ) ) {
if ( substr( $domain, -3 ) == ':80' ) {
$domain = substr( $domain, 0, -3 );
$_SERVER['HTTP_HOST'] = substr( $_SERVER['HTTP_HOST'], 0, -3 );
} elseif ( substr( $domain, -4 ) == ':443' ) {
$domain = substr( $domain, 0, -4 );
$_SERVER['HTTP_HOST'] = substr( $_SERVER['HTTP_HOST'], 0, -4 );
} else {
die( 'WPMU only works without the port number in the URL.' );
}
}
$domain = preg_replace('/:.*$/', '', $domain); // Strip ports
if ( substr( $domain, -1 ) == '.' )
$domain = substr( $domain, 0, -1 );
if ( substr( $domain, 0, 4 ) == 'www.' )
$cookie_domain = substr( $domain, 4 );
else
$cookie_domain = $domain;
$path = preg_replace( '|([a-z0-9-]+.php.*)|', '', $_SERVER['REQUEST_URI'] );
$path = str_replace ( '/wp-admin/', '/', $path );
$path = preg_replace( '|(/[a-z0-9-]+?/).*|', '$1', $path );
function get_current_site_name( $current_site ) {
global $wpdb;
$current_site->site_name = wp_cache_get( $current_site->id . ':current_site_name', "site-options" );
if ( !$current_site->site_name ) {
$current_site->site_name = $wpdb->get_var( $wpdb->prepare( "SELECT meta_value FROM $wpdb->sitemeta WHERE site_id = %d AND meta_key = 'site_name'", $current_site->id ) );
if ( $current_site->site_name == null )
$current_site->site_name = ucfirst( $current_site->domain );
wp_cache_set( $current_site->id . ':current_site_name', $current_site->site_name, 'site-options');
}
return $current_site;
}
function wpmu_current_site() {
global $wpdb, $current_site, $domain, $path, $sites, $cookie_domain;
if ( defined( 'DOMAIN_CURRENT_SITE' ) && defined( 'PATH_CURRENT_SITE' ) ) {
$current_site->id = (defined( 'SITE_ID_CURRENT_SITE' ) ? constant('SITE_ID_CURRENT_SITE') : 1);
$current_site->domain = DOMAIN_CURRENT_SITE;
$current_site->path = $path = PATH_CURRENT_SITE;
if ( defined( 'BLOGID_CURRENT_SITE' ) )
$current_site->blog_id = BLOGID_CURRENT_SITE;
if ( DOMAIN_CURRENT_SITE == $domain )
$current_site->cookie_domain = $cookie_domain;
elseif ( substr( $current_site->domain, 0, 4 ) == 'www.' )
$current_site->cookie_domain = substr( $current_site->domain, 4 );
else
$current_site->cookie_domain = $current_site->domain;
return $current_site;
}
$current_site = wp_cache_get( "current_site", "site-options" );
if ( $current_site )
return $current_site;
$wpdb->suppress_errors();
$sites = $wpdb->get_results( "SELECT * FROM $wpdb->site" ); // usually only one site
if ( count( $sites ) == 1 ) {
$current_site = $sites[0];
$path = $current_site->path;
$current_site->blog_id = $wpdb->get_var( "SELECT blog_id FROM {$wpdb->blogs} WHERE domain='{$current_site->domain}' AND path='{$current_site->path}'" );
$current_site = get_current_site_name( $current_site );
if ( substr( $current_site->domain, 0, 4 ) == 'www.' )
$current_site->cookie_domain = substr( $current_site->domain, 4 );
wp_cache_set( "current_site", $current_site, "site-options" );
return $current_site;
}
$path = substr( $_SERVER[ 'REQUEST_URI' ], 0, 1 + strpos( $_SERVER[ 'REQUEST_URI' ], '/', 1 ) );
if ( $domain == $cookie_domain )
$current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path = %s", $domain, $path ) );
else
$current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain IN ( %s, %s ) AND path = %s ORDER BY CHAR_LENGTH( domain ) DESC LIMIT 1", $domain, $cookie_domain, $path ) );
if ( $current_site == null ) {
if ( $domain == $cookie_domain )
$current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path='/'", $domain ) );
else
$current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain IN ( %s, %s ) AND path = '/' ORDER BY CHAR_LENGTH( domain ) DESC LIMIT 1", $domain, $cookie_domain, $path ) );
}
if ( $current_site != null ) {
$path = $current_site->path;
$current_site->cookie_domain = $cookie_domain;
return $current_site;
} elseif ( is_subdomain_install() ) {
$sitedomain = substr( $domain, 1 + strpos( $domain, '.' ) );
$current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path = %s", $sitedomain, $path) );
if ( $current_site != null ) {
$current_site->cookie_domain = $current_site->domain;
return $current_site;
}
$current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path='/'", $sitedomain) );
if ( $current_site == null && defined( "WP_INSTALLING" ) == false ) {
if ( count( $sites ) == 1 ) {
$current_site = $sites[0];
die( "That blog does not exist. Please try <a href='http://{$current_site->domain}{$current_site->path}'>http://{$current_site->domain}{$current_site->path}</a>" );
} else {
die( "No WPMU site defined on this host. If you are the owner of this site, please check <a href='http://codex.wordpress.org/Debugging_WPMU'>Debugging WPMU</a> for further assistance." );
}
} else {
$path = '/';
}
} elseif ( defined( "WP_INSTALLING" ) == false ) {
if ( count( $sites ) == 1 ) {
$current_site = $sites[0];
die( "That blog does not exist. Please try <a href='http://{$current_site->domain}{$current_site->path}'>http://{$current_site->domain}{$current_site->path}</a>" );
} else {
die( "No WPMU site defined on this host. If you are the owner of this site, please check <a href='http://codex.wordpress.org/Debugging_WPMU'>Debugging WPMU</a> for further assistance." );
}
} else {
$path = '/';
}
return $current_site;
}
$current_site = wpmu_current_site();
if ( !isset( $current_site->blog_id ) )
$current_site->blog_id = $wpdb->get_var( "SELECT blog_id FROM {$wpdb->blogs} WHERE domain='{$current_site->domain}' AND path='{$current_site->path}'" );
if ( is_subdomain_install() ) {
$current_blog = wp_cache_get( 'current_blog_' . $domain, 'site-options' );
if ( !$current_blog ) {
$current_blog = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->blogs WHERE domain = %s", $domain) );
if ( $current_blog )
wp_cache_set( 'current_blog_' . $domain, $current_blog, 'site-options' );
}
if ( $current_blog != null && $current_blog->site_id != $current_site->id )
$current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE id = %d", $current_blog->site_id) );
else
$blogname = substr( $domain, 0, strpos( $domain, '.' ) );
} else {
$blogname = htmlspecialchars( substr( $_SERVER[ 'REQUEST_URI' ], strlen( $path ) ) );
if ( strpos( $blogname, '/' ) )
$blogname = substr( $blogname, 0, strpos( $blogname, '/' ) );
if ( strpos( " ".$blogname, '?' ) )
$blogname = substr( $blogname, 0, strpos( $blogname, '?' ) );
$reserved_blognames = array( 'page', 'comments', 'blog', 'wp-admin', 'wp-includes', 'wp-content', 'files', 'feed' );
if ( $blogname != '' && !in_array( $blogname, $reserved_blognames ) && !is_file( $blogname ) )
$path = $path . $blogname . '/';
$current_blog = wp_cache_get( 'current_blog_' . $domain . $path, 'site-options' );
if ( !$current_blog ) {
$current_blog = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->blogs WHERE domain = %s AND path = %s", $domain, $path) );
if ( $current_blog )
wp_cache_set( 'current_blog_' . $domain . $path, $current_blog, 'site-options' );
}
}
if ( defined( "WP_INSTALLING" ) == false && is_subdomain_install() && !is_object( $current_blog ) ) {
if ( defined( 'NOBLOGREDIRECT' ) ) {
$destination = constant( 'NOBLOGREDIRECT' );
if ( $destination == '%siteurl%' )
$destination = "http://" . $current_site->domain . $current_site->path;
header( "Location: " . $destination);
die();
} else {
header( "Location: http://" . $current_site->domain . $current_site->path . "wp-signup.php?new=" . str_replace( '.' . $current_site->domain, '', $domain ) );
die();
}
}
if ( defined( "WP_INSTALLING" ) == false ) {
if ( $current_site && $current_blog == null ) {
if ( $current_site->domain != $_SERVER[ 'HTTP_HOST' ] ) {
header( "Location: http://" . $current_site->domain . $current_site->path );
exit;
}
$current_blog = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->blogs WHERE domain = %s AND path = %s", $current_site->domain, $current_site->path) );
}
if ( $current_blog == false || $current_site == false )
is_installed();
}
$blog_id = $current_blog->blog_id;
$public = $current_blog->public;
if ( $current_blog->site_id == 0 || $current_blog->site_id == '' )
$current_blog->site_id = 1;
$site_id = $current_blog->site_id;
$current_site = get_current_site_name( $current_site );
if ( $blog_id == false ) {
// no blog found, are we installing? Check if the table exists.
if ( defined('WP_INSTALLING') ) {
$blog_id = $wpdb->get_var( "SELECT blog_id FROM $wpdb->blogs LIMIT 0,1" );
if ( $blog_id == false ) {
// table doesn't exist. This is the first blog
$blog_id = 1;
} else {
// table exists
// don't create record at this stage. we're obviously installing so it doesn't matter what the table vars below are like.
// default to using the "main" blog.
$blog_id = 1;
}
$current_blog->blog_id = $blog_id;
} else {
$check = $wpdb->get_results( "SELECT * FROM $wpdb->site" );
if ( $check == false )
$msg = ': DB Tables Missing';
else
$msg = '';
die( "No Blog by that name on this system." . $msg );
}
}
$wpdb->suppress_errors( false );
if ( '0' == $current_blog->public ) {
// This just means the blog shouldn't show up in google, etc. Only to registered members
}
function is_installed() {
global $wpdb, $domain, $path;
$base = stripslashes( $base );
if ( defined( "WP_INSTALLING" ) == false ) {
$check = $wpdb->get_results( "SELECT * FROM $wpdb->site" );
$msg = "If your blog does not display, please contact the owner of this site.<br /><br />If you are the owner of this site please check that MySQL is running properly and all tables are error free.<br /><br />";
if ( $check == false ) {
$msg .= "<strong>Database Tables Missing.</strong><br />Database tables are missing. This means that MySQL is either not running, WPMU was not installed properly, or someone deleted {$wpdb->site}. You really <em>should</em> look at your database now.<br />";
} else {
$msg .= '<strong>Could Not Find Blog!</strong><br />';
$msg .= "Searched for <em>" . $domain . $path . "</em> in " . DB_NAME . "::" . $wpdb->blogs . " table. Is that right?<br />";
}
$msg .= "<br />\n<h1>What do I do now?</h1>";
$msg .= "Read the <a target='_blank' href='http://codex.wordpress.org/Debugging_WPMU'>bug report</a> page. Some of the guidelines there may help you figure out what went wrong.<br />";
$msg .= "If you're still stuck with this message, then check that your database contains the following tables:<ul>
<li> $wpdb->blogs </li>
<li> $wpdb->users </li>
<li> $wpdb->usermeta </li>
<li> $wpdb->site </li>
<li> $wpdb->sitemeta </li>
<li> $wpdb->sitecategories </li>
</ul>";
$msg .= "If you suspect a problem please report it to the support forums but you must include the information asked for in the <a href='http://codex.wordpress.org/Debugging_WPMU'>WPMU bug reporting guidelines</a>!<br /><br />";
if ( is_file( 'release-info.txt' ) ) {
$msg .= 'Your bug report must include the following text: "';
$info = file( 'release-info.txt' );
$msg .= $info[ 4 ] . '"';
}
die( "<h1>Fatal Error</h1> " . $msg );
}
}
?>
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