WordPress/wp-admin/network.php

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<?php
/**
* Network settings administration panel.
*
* A multi-step process allowing the user to enable a network of WordPress sites.
*
* @since 3.0.0
*
* @package WordPress
* @subpackage Administration
*/
/** WordPress Administration Bootstrap */
require_once( './admin.php' );
if ( ! is_super_admin() )
wp_die( __( 'You do not have sufficient permissions to manage options for this blog.' ) );
// We need to create references to ms global tables to enable Network.
foreach ( $wpdb->tables( 'ms_global' ) as $table => $prefixed_table )
$wpdb->$table = $prefixed_table;
$title = __( 'Network Settings' );
$parent_file = 'tools.php';
add_contextual_help( $current_screen, __( '<a href="http://codex.wordpress.org/Settings_Network_SubPanel" target="_blank">Network Settings</a>') );
include( './admin-header.php' );
$dirs = array( substr( ABSPATH, 0, -1 ), ABSPATH . 'wp-content' );
?>
<div class="wrap">
<?php screen_icon(); ?>
<h2><?php echo esc_html( $title ); ?></h2>
<form method="post" action="network.php">
<?php
/**
* Prints summary of server statistics in preparation for setting up a network.
*
* @since 3.0.0
*/
function filestats( $err ) {
?>
<h2><?php esc_html_e( 'Server Summary' ); ?></h2>
<p><?php _e( 'If you post a message to the WordPress support forum at <a target="_blank" href="http://wordpress.org/support/">http://wordpress.org/support/</a> then copy and paste the following information into your message:' ); ?></p>
<blockquote style="background: #eee; border: 1px solid #333; padding: 5px;">
<br /><strong><?php printf( __( 'ERROR: %s' ), $err ); ?></strong><br />
<?php
clearstatcache();
$files = array( 'htaccess.dist', '.htaccess' );
$indent = '&nbsp;&nbsp;&nbsp;&nbsp;';
foreach ( (array) $files as $val ) {
$stats = @stat( $val );
if ( $stats ) {
?>
<h2><?php echo esc_html( $val ); ?></h2>
<?php echo $indent . sprintf( __( 'uid/gid: %1$s/%2$s' ), $stats['uid'], $stats['gid'] ); ?><br />
<?php echo $indent . sprintf( __( 'size: %s' ), $stats['size'] ); ?><br/>
<?php echo $indent . sprintf( __( 'perms: %s' ), substr( sprintf( '%o', fileperms( $val ) ), -4 ) ); ?><br/>
<?php echo $indent . sprintf( __( 'readable: %s' ), is_readable( $val ) ? __( 'yes' ) : __( 'no' ) ); ?><br/>
<?php echo $indent . sprintf( __( 'writeable: %s' ), is_writeable( $val ) ? __( 'yes' ) : __( 'no' ) ); ?><br/>
<?php
} elseif ( ! file_exists( $val ) ) {
?>
<h2><?php echo esc_html( $val ); ?></h2>
<?php echo $indent . sprintf( __( 'FILE NOT FOUND: %s' ), $val ); ?><br/>
<?php
}
}
echo "</blockquote>";
}
/**
* Prints .htaccess component of step 2 for network settings.
*
* @since 3.0.0
*/
function step2_htaccess() {
global $base;
// remove ending slash from $base and $url
$htaccess = '';
if ( substr( $base, -1 ) == '/' )
$base = substr( $base, 0, -1 );
$htaccess_sample = ABSPATH . 'wp-admin/includes/htaccess.ms';
if ( ! file_exists( $htaccess_sample ) )
wp_die( sprintf( __( 'Sorry, I need a %s to work from. Please re-upload this file to your WordPress installation.' ), $htaccess_sample ) );
$htaccess_file = file( $htaccess_sample );
$fp = @fopen( $htaccess_sample, "r" );
if ( $fp ) {
while ( ! feof( $fp ) ) {
$htaccess .= fgets( $fp, 4096 );
}
fclose( $fp );
$htaccess_file = str_replace( "BASE", $base, $htaccess );
} else {
wp_die( sprintf( __( 'Sorry, I need to be able to read %s. Please check the permissions on this file.' ), $htaccess_sample ) );
}
?>
<li><p><?php printf( __( 'Replace the contents of your <code>%s.htaccess</code> with the following:' ), ABSPATH ); ?></p>
<textarea name="htaccess" cols="120" rows="20">
<?php echo wp_htmledit_pre( $htaccess_file ); ?>
</textarea>
</li>
<?php
}
/**
* Prints part of step 1 for network settings and checks for mod_rewrite.
*
* @since 3.0.0
* @return bool Whether mod_rewrite is enabled.
*/
function step1() {
$rewrite_enabled = false;
?>
<h2><?php esc_html_e( 'Installing Network of WordPress Sites' ); ?></h2>
<p><?php _e( 'I will help you enable the features for creating a network of sites by asking you a few questions so that you can create configuration files and make a directory to store all your uploaded files.' ); ?></p>
<h2><?php esc_html_e( 'What do I need?' ); ?></h2>
<ul>
<li><?php _e( 'Access to your server to change directory permissions. This can be done through ssh or ftp for example.' ); ?></li>
<li><?php _e( 'A valid email where your password and administrative emails will be sent.' ); ?></li>
<li><?php _e( "Wildcard dns records if you're going to use the virtual host (sub-domain) functionality. Check the <a href='http://trac.mu.wordpress.org/browser/trunk/README.txt'>README</a> for further details." ); ?></li>
</ul>
<?php
$mod_rewrite_msg = "\n<p>" . __( 'If the <code>mod_rewrite</code> module is disabled ask your administrator to enable that module, or look at the <a href="http://httpd.apache.org/docs/mod/mod_rewrite.html">Apache documentation</a> or <a href="http://www.google.com/search?q=apache+mod_rewrite">elsewhere</a> for help setting it up.' ) . '</p>';
if ( function_exists( 'apache_get_modules' ) ) {
$modules = apache_get_modules();
if ( ! in_array( 'mod_rewrite', $modules ) )
echo '<p>' . __( '<strong>Warning!</strong> It looks like mod_rewrite is not installed.' ) . '</p>' . $mod_rewrite_msg;
else
$rewrite_enabled = true;
} else {
echo '<p>' . __( 'Please make sure <code>mod_rewrite</code> is installed as it will be activated at the end of this install.' ) . '</p>' . $mod_rewrite_msg;
}
return $rewrite_enabled;
}
/**
* Prints most of step 1 for network settings.
*
* @since 3.0.0
* @param bool $rewrite_enabled Whether mod_rewrite is enabled. Default false.
*/
function printstep1form( $rewrite_enabled = false ) {
$weblog_title = sprintf( __( '%s Sites' ), ucfirst( get_option( 'blogname' ) ) );
$email = get_option( 'admin_email' );
$hostname = get_clean_basedomain();
$invalid_host = false;
if ( 'localhost' == $hostname || preg_match( '|[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+|', $hostname, $match ) )
$invalid_host = true;
if ( substr( $hostname, 0, 4 ) == 'www.' )
$nowww = substr( $hostname, 4 );
wp_nonce_field( 'install-network-1' );
if ( network_domain_check() ) { ?>
<h2><?php esc_html_e( 'Existing Sites' ); ?></h2>
<p><?php _e( 'An existing WordPress Network was detected.' ); ?></p>
<p class="existing-network">
<label><input type='checkbox' name='existing_network' value='yes' /> <?php _e( 'Yes, keep the existing network of sites.' ); ?></label><br />
</p>
<?php } else { ?>
<input type='hidden' name='existing_network' value='none' />
<?php } ?>
<input type='hidden' name='action' value='step2' />
<h2><?php esc_html_e( 'Site Addresses' ); ?></h2>
<p><?php _e( 'Please choose whether you would like sites in your WordPress install to use sub-domains or sub-directories. You cannot change this later.' ); ?></p>
<?php if ( ! $rewrite_enabled ) { ?>
<p><?php _e( '<strong>Note</strong> It looks like <code>mod_rewrite</code> is not installed.' ); ?></p>
<?php } ?>
<p class="blog-address">
<label><input type='radio' name='vhost' value='yes'<?php if ( $rewrite_enabled ) echo ' checked="checked"'; ?> /> <?php _e( 'Sub-domains (like <code>blog1.example.com</code>)' ); ?></label><br />
<label><input type='radio' name='vhost' value='no'<?php if ( ! $rewrite_enabled ) echo ' checked="checked"'; ?> /> <?php _e( 'Sub-directories (like <code>example.com/blog1</code>)' ); ?></label>
</p>
<h2><?php esc_html_e( 'Server Address' ); ?></h2>
<?php if ( isset( $nowww ) ) { ?>
<h3><?php printf( __( 'We recommend you change your siteurl to <code>%1$s</code> before enabling the network feature. It will still be possible to visit your site using the "www" prefix with an address like <code>%2$s</code> but any links will not have the "www" prefix.' ), $nowww, $hostname ); ?></h3>
<?php } ?>
<table class="form-table">
<tr>
<th scope='row'><?php esc_html_e( 'Server Address' ); ?></th>
<td>
<?php if ( !$invalid_host ) { ?>
<?php printf( __( 'This will be the Internet address of your site: <strong><em>%s</em></strong>.' ), $hostname ); ?>
<input type='hidden' name='basedomain' value='<?php echo esc_attr( $hostname ); ?>' />
<?php } else { ?>
<?php _e( 'Do not use an IP address (like 127.0.0.1) or a single word hostname like <q>localhost</q> as your server address.' ); ?>
<?php } ?>
</td>
</tr>
</table>
<h2><?php esc_html_e( 'Site Details' ); ?></h2>
<table class="form-table">
<tr>
<th scope='row'><?php esc_html_e( 'Site&nbsp;Title' ); ?></th>
<td>
<input name='weblog_title' type='text' size='45' value='<?php echo esc_attr( $weblog_title ); ?>' />
<br /><?php _e( 'What would you like to call your site?' ); ?>
</td>
</tr>
<tr>
<th scope='row'><?php esc_html_e( 'Email' ); ?></th>
<td>
<input name='email' type='text' size='45' value='<?php echo esc_attr( $email ); ?>' />
<br /><?php _e( 'Your email address.' ); ?>
</td>
</tr>
</table>
<?php if ( !$invalid_host ) { ?>
<p class='submit'><input class="button" name='submit' type='submit' value='<?php esc_attr_e( 'Proceed' ); ?>' /></p>
<?php } ?>
<?php
}
/**
* Checks for active plugins & displays a notice to deactivate them.
*
* @since 3.0.0
*/
function step1_plugin_check() {
$active_plugins = get_option( 'active_plugins' );
if ( is_array( $active_plugins ) && !empty( $active_plugins ) ) {
?>
<h2><?php esc_html_e( 'Enabling WordPress Sites' ); ?></h2>
<p><?php printf( __( 'Please <a href="%s">deactivate</a> your plugins before enabling WordPress Sites. Once WordPress Sites are enabled, you may reactivate your plugins.' ), admin_url( 'plugins.php' ) ); ?></p>
<?php
return false;
}
return true;
}
/**
* Checks for existing network data/tables.
*
* @since 3.0.0
*/
function network_domain_check() {
global $wpdb;
if ( $wpdb->get_var( "SHOW TABLES LIKE '$wpdb->site'" ) == $wpdb->site )
return $wpdb->get_var( "SELECT domain FROM $wpdb->site ORDER BY id ASC LIMIT 1" );
return false;
}
/**
* Prints step 2 for network settings.
*
* @since 3.0.0
*/
function step2() {
?>
<h2><?php esc_html_e( 'Enabling WordPress Sites' ); ?></h2>
<p><?php _e( 'Complete the following steps to enable the features for creating a network of sites. <strong>Note:</strong> We recommend you make a backup copy of your existing <code>wp-config.php</code> and <code>.htaccess</code> files.' ); ?></p>
<ol>
<li><?php printf( __( 'Create a <code>%s/blogs.dir</code> directory. This directory is used to stored uploaded media for your additional sites and must be writeable by the web server.' ), WP_CONTENT_DIR ); ?></li>
<?php step2_config(); ?>
<?php step2_htaccess(); ?>
</ol>
<?php
}
/**
* Prints configuration file component of step 2 for network settings.
*
* @since 3.0.0
*/
function step2_config() {
global $base, $wpdb, $vhost;
$vhost = stripslashes( $_POST['vhost' ] );
$prefix = $wpdb->base_prefix;
$config_sample = ABSPATH . 'wp-admin/includes/wp-config.ms';
if ( ! file_exists( $config_sample ) )
wp_die( sprintf( __( 'Sorry, I need a <code>%s</code> to work from. Please re-upload this file to your WordPress installation.' ), $config_sample ) );
$wp_config_file = file( $config_sample );
?>
<li><p><?php printf( __( 'Replace the contents of <code>%swp-config.php</code> with the following:' ), ABSPATH ); ?></p>
<textarea name="wp-config" cols="120" rows="20">
<?php
foreach ( $wp_config_file as $line ) {
switch ( trim( substr( $line, 0, 16 ) ) ) {
case "define('DB_NAME'":
$output = str_replace( "wordpress", DB_NAME, $line );
break;
case "define('DB_USER'":
$output = str_replace( "username", DB_USER, $line );
break;
case "define('DB_PASSW":
$output = str_replace( "password", DB_PASSWORD, $line );
break;
case "define('DB_HOST'":
$output = str_replace( "localhost", DB_HOST, $line );
break;
case "define('VHOST',":
$output = str_replace( "VHOSTSETTING", $vhost, $line );
break;
case '$table_prefix =':
$output = str_replace( 'wp_', $prefix, $line );
break;
case '$base = \'BASE\';':
$output = str_replace( 'BASE', $base, $line );
break;
case "define('DOMAIN_C":
$domain = get_clean_basedomain();
$output = str_replace( "current_site_domain", $domain, $line );
break;
case "define('PATH_CUR":
$output = str_replace( "current_site_path", $base, $line );
break;
case "define('AUTH_KEY":
case "define('AUTH_SAL":
case "define('LOGGED_I":
case "define('SECURE_A":
case "define('NONCE_KE":
$constant = substr( $line, 8, strpos( $line, "'", 9 ) - 8 );
if ( defined( $constant ) )
$hash = constant( $constant );
else
$hash = md5( mt_rand() ) . md5( mt_rand() );
$output = str_replace( 'put your unique phrase here', $hash, $line );
break;
default:
$output = $line;
break;
}
echo $output;
}
?>
</textarea>
</li>
<?php
}
/**
* Gets base domain of network.
*
* @since 3.0.0
*/
function get_clean_basedomain() {
global $wpdb;
$existing_domain = network_domain_check();
if ( $existing_domain )
return $existing_domain;
$domain = preg_replace( '|https?://|', '', get_option( 'siteurl' ) );
if ( strpos( $domain, '/' ) )
$domain = substr( $domain, 0, strpos( $domain, '/' ) );
return $domain;
}
$action = isset( $_POST[ 'action' ] ) ? $_POST[ 'action' ] : null;
switch( $action ) {
case 'step2':
check_admin_referer( 'install-network-1' );
if ( isset( $_POST[ 'existing_network' ] ) ) {
// Install!
$base = stripslashes( dirname( dirname( $_SERVER['SCRIPT_NAME'] ) ) );
if ( $base != '/' )
$base .= '/';
require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
// create network tables
$domain = get_clean_basedomain();
install_network();
if ( !network_domain_check() || $_POST[ 'existing_network' ] == 'none' )
populate_network( 1, $domain, sanitize_email( $_POST['email'] ), $_POST['weblog_title'], $base, $_POST['vhost'] );
// create wp-config.php / htaccess
step2();
break;
}
default:
//@todo: give an informative screen instead
if ( is_multisite() ) {
_e( 'Network already enabled.' );
} elseif ( step1_plugin_check() ) {
$rewrite_enabled = step1();
printstep1form( $rewrite_enabled );
}
break;
}
?>
</form>
</div>
<?php include( './admin-footer.php' ); ?>