WordPress/wp-admin/network.php

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<?php
/**
* Network installation 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 site.' ) );
if ( is_multisite() )
wp_die( __( 'The Network feature is already enabled.' ) );
include( ABSPATH . 'wp-admin/includes/network.php' );
// 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 = __( 'Create a Network of WordPress Sites' );
$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 step 1 for Network installation process.
*
* @todo Realistically, step 1 should be a welcome screen explaining what a Network is and such. Navigating to Tools > Network
* should not be a sudden "Welcome to a new install process! Fill this out and click here."
*
* @since 3.0.0
*/
function ms_network_step1() {
$active_plugins = get_option( 'active_plugins' );
if ( ! empty( $active_plugins ) ) {
printf( '<p>' . __( 'Please <a href="%s">deactivate</a> your plugins before enabling the Network feature. Once the network is created, you may reactivate your plugins.' ) . '</p>', admin_url( 'plugins.php' ) );
include( './admin-footer.php' );
die();
}
$hostname = get_clean_basedomain();
if ( 'localhost' == $hostname || preg_match( '|[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+|', $hostname ) ) {
echo '<p><strong>' . __('You cannot install a network of sites with your server address.' ) . '</strong></p>';
echo '<p>' . __('You cannot use an IP address such as <code>127.0.0.1</code> or a single-word hostname like <code>localhost</code>.' ) . '</p>';
if ( 'localhost' == $hostname )
echo '<p>' . __('Consider using <code>localhost.localdomain</code>.') . '</p>';
include( './admin-footer.php' );
die();
}
?>
<p><?php _e( 'Welcome to the Network installation process!' ); ?></p>
<p><?php _e( "Fill in the information below and you&#8217;ll be on your way to creating a network of WordPress sites. We'll create configuration files in the next step." ); ?></p>
<?php
if ( apache_mod_loaded('mod_rewrite') ) { // assume nothing
$rewrite_enabled = true;
} else {
$rewrite_enabled = false;
if ( got_mod_rewrite() ) // dangerous assumptions
echo '<p>' . __( 'Please make sure the Apache <code>mod_rewrite</code> module is installed as it will be used at the end of this install.' ) . '</p>';
else
echo '<p>' . __( '<strong>Warning!</strong> It looks like Apache <code>mod_rewrite</code> module is not installed.' ) . '</p>';
echo '<p>' . __( 'If <code>mod_rewrite</code> 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>';
}
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='1' /> <?php _e( 'Yes, keep the existing network of sites.' ); ?></label><br />
</p>
<?php } else { ?>
<input type='hidden' name='existing_network' value='0' />
<?php } ?>
<input type='hidden' name='action' value='step2' />
<h3><?php esc_html_e( 'Addresses of Sites in your Network' ); ?></h3>
<p><?php _e( 'Please choose whether you would like sites in your WordPress network to use sub-domains or sub-directories. <strong>You cannot change this later.</strong>' ); ?></p>
<p><?php _e( "You will need a wildcard DNS record if you're going to use the virtual host (sub-domain) functionality." ); ?></p>
<?php /* @todo: Link to an MS readme? */ ?>
<?php if ( ! $rewrite_enabled ) { ?>
<p><?php _e( '<strong>Note</strong> It looks like <code>mod_rewrite</code> is not installed.' ); ?></p>
<?php } ?>
<table class="form-table">
<tr>
<th><label><input type='radio' name='vhost' value='yes'<?php checked( $rewrite_enabled ); ?> /> Sub-domains</label></th>
<td><?php _e('like <code>blog1.example.com</code> and <code>blog2.example.com</code>'); ?></td>
</tr>
<tr>
<th><label><input type='radio' name='vhost' value='no'<?php checked( ! $rewrite_enabled ); ?> /> Sub-directories</label></th>
<td><?php _e('like <code>example.com/blog1</code> and <code>example.com/blog2</code>'); ?></td>
</tr>
</table>
<?php
$is_www = ( substr( $hostname, 0, 4 ) == 'www.' );
if ( $is_www ) :
?>
<h3><?php esc_html_e( 'Server Address' ); ?></h3>
<p><?php printf( __( 'We recommend you change your siteurl to <code>%1$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.' ), substr( $hostname, 4 ), $hostname ); ?></h3>
<table class="form-table">
<tr>
<th scope='row'><?php esc_html_e( 'Server Address' ); ?></th>
<td>
<?php printf( __( 'The Internet address of your network will be <code>%s</code>.' ), $hostname ); ?>
<input type='hidden' name='basedomain' value='<?php echo esc_attr( $hostname ); ?>' />
</td>
</tr>
</table>
<?php endif; ?>
<h3><?php esc_html_e( 'Network Details' ); ?></h3>
<table class="form-table">
<?php if ( ! $is_www ) : ?>
<tr>
<th scope='row'><?php esc_html_e( 'Server Address' ); ?></th>
<td>
<?php printf( __( 'The Internet address of your network will be <code>%s</code>.' ), $hostname ); ?>
</td>
</tr>
<?php endif; ?>
<tr>
<th scope='row'><?php esc_html_e( 'Network Title' ); ?></th>
<td>
<input name='weblog_title' type='text' size='45' value='<?php echo esc_attr( sprintf( __('%s Sites'), get_option( 'blogname' ) ) ); ?>' />
<br /><?php _e( 'What would you like to call your network?' ); ?>
</td>
</tr>
<tr>
<th scope='row'><?php esc_html_e( 'Admin E-mail Address' ); ?></th>
<td>
<input name='email' type='text' size='45' value='<?php echo esc_attr( get_option( 'admin_email' ) ); ?>' />
<br /><?php _e( 'Your email address.' ); ?>
</td>
</tr>
</table>
<p class='submit'><input class="button-primary" name='submit' type='submit' value='<?php esc_attr_e( 'Install' ); ?>' /></p>
<?php
}
/**
* Prints step 2 for Network installation process.
*
* @since 3.0.0
*/
function ms_network_step2() {
global $base, $wpdb;
?>
<h3><?php esc_html_e( 'Enabling the Network' ); ?></h3>
<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
$vhost = stripslashes( $_POST['vhost' ] );
$prefix = $wpdb->base_prefix;
$config_sample = ABSPATH . 'wp-admin/includes/ms-config-sample.php';
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
// 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>
</ol>
<?php
}
$action = isset( $_POST['action'] ) ? $_POST['action'] : null;
switch ( $action ) {
case 'step2':
check_admin_referer( 'install-network-1' );
// Install!
$base = trailingslashit( stripslashes( dirname( dirname( $_SERVER['SCRIPT_NAME'] ) ) ) );
require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
// create network tables
install_network();
if ( !network_domain_check() || $_POST['existing_network'] == '0' )
populate_network( 1, get_clean_basedomain(), sanitize_email( $_POST['email'] ), $_POST['weblog_title'], $base, $_POST['vhost'] );
// create wp-config.php / htaccess
ms_network_step2();
break;
default:
ms_network_step1();
break;
}
?>
</form>
</div>
<?php include( './admin-footer.php' ); ?>