[Summary view] [Print] [Text view]

   1  <?php
   2  /**
   3   * Network installation administration panel.
   4   *
   5   * A multi-step process allowing the user to enable a network of WordPress sites.
   6   *
   7   * @since 3.0.0
   8   *
   9   * @package WordPress
  10   * @subpackage Administration
  11   */
  12  
  13  define( 'WP_NETWORK_ADMIN_PAGE', true );
  14  
  15  /** WordPress Administration Bootstrap */
  16  require_once ( './admin.php' );
  17  
  18  if ( ! is_super_admin() )
  19      wp_die( __( 'You do not have sufficient permissions to manage options for this site.' ) );
  20  
  21  if ( is_multisite() && ! defined( 'MULTISITE' ) )
  22      wp_die( __( 'The Network creation panel is not for WordPress MU networks.' ) );
  23  
  24  // We need to create references to ms global tables to enable Network.
  25  foreach ( $wpdb->tables( 'ms_global' ) as $table => $prefixed_table )
  26      $wpdb->$table = $prefixed_table;
  27  
  28  /**
  29   * Check for an existing network.
  30   *
  31   * @since 3.0.0
  32   * @return Whether a network exists.
  33   */
  34  function network_domain_check() {
  35      global $wpdb;
  36      if ( $wpdb->get_var( "SHOW TABLES LIKE '$wpdb->site'" ) )
  37          return $wpdb->get_var( "SELECT domain FROM $wpdb->site ORDER BY id ASC LIMIT 1" );
  38      return false;
  39  }
  40  
  41  /**
  42   * Allow subdomain install
  43   *
  44   * @since 3.0.0
  45   * @return bool Whether subdomain install is allowed
  46   */
  47  function allow_subdomain_install() {
  48      $domain = preg_replace( '|https?://([^/]+)|', '$1', get_option( 'siteurl' ) );
  49      if( false !== strpos( $domain, '/' ) || 'localhost' == $domain || preg_match( '|[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+|', $domain ) )
  50          return false;
  51  
  52      return true;
  53  }
  54  /**
  55   * Allow subdirectory install
  56   *
  57   * @since 3.0.0
  58   * @return bool Whether subdirectory install is allowed
  59   */
  60  function allow_subdirectory_install() {
  61      global $wpdb;
  62      if ( apply_filters( 'allow_subdirectory_install', false ) )
  63          return true;
  64  
  65      if ( defined( 'ALLOW_SUBDIRECTORY_INSTALL' ) && ALLOW_SUBDIRECTORY_INSTALL )
  66          return true;
  67  
  68      $post = $wpdb->get_row( "SELECT ID FROM $wpdb->posts WHERE post_date < DATE_SUB(NOW(), INTERVAL 1 MONTH) AND post_status = 'publish'" );
  69      if ( empty( $post ) )
  70          return true;
  71  
  72      return false;
  73  }
  74  /**
  75   * Get base domain of network.
  76   *
  77   * @since 3.0.0
  78   * @return string Base domain.
  79   */
  80  function get_clean_basedomain() {
  81      if ( $existing_domain = network_domain_check() )
  82          return $existing_domain;
  83      $domain = preg_replace( '|https?://|', '', get_option( 'siteurl' ) );
  84      if ( $slash = strpos( $domain, '/' ) )
  85          $domain = substr( $domain, 0, $slash );
  86      return $domain;
  87  }
  88  
  89  if ( ! network_domain_check() && ( ! defined( 'WP_ALLOW_MULTISITE' ) || ! WP_ALLOW_MULTISITE ) )
  90      wp_die( __( 'You must define the <code>WP_ALLOW_MULTISITE</code> constant as true in your wp-config.php file to allow creation of a Network.' ) );
  91  
  92  $title = __( 'Create a Network of WordPress Sites' );
  93  $parent_file = 'tools.php';
  94  
  95  add_contextual_help($current_screen,
  96      '<p>' . __('This screen allows you to configure a network as having subdomains (<code>site1.example.com</code>) or subdirectories (<code>example.com/site1</code>). Subdomains require wildcard subdomains to be enabled in Apache and DNS records, if your host allows it.') . '</p>' .
  97      '<p>' . __('Choose subdomains or subdirectories; this can only be switched afterwards by reconfiguring your install. Fill out the network details, and click install. If this does not work, you may have to add a wildcard DNS record (for subdomains) or change to another setting in Permalinks (for subdirectories).') . '</p>' .
  98      '<p>' . __('The next screen for Network will give you individually-generated lines of code to add to your wp-config.php and .htaccess files. Make sure the settings of your FTP client make files starting with a dot visible, so that you can find .htaccess; you may have to create this file if it really is not there. Make backup copies of those two files.') . '</p>' .
  99      '<p>' . __('Add a <code>blogs.dir</code> directory under <code>/wp-content</code> and add the designated lines of code to wp-config.php (just before <code>/*...stop editing...*/</code>) and <code>.htaccess</code> (replacing the existing WordPress rules).') . '</p>' .
 100      '<p>' . __('Refreshing your browser will take you to a screen with an archive of those added lines of code. A set of six links under Super Admin will appear at the top of the main left navigation menu. The multisite network is now enabled.') . '</p>' .
 101      '<p>' . __('The choice of subdirectory sites is disabled if this setup is more than a month old because of permalink problems with &#8220;/blog/&#8221; from the main site. This disabling will be addressed soon in a future version.') . '</p>' .
 102      '<p><strong>' . __('For more information:') . '</strong></p>' .
 103      '<p>' . __('<a href="http://codex.wordpress.org/Create_A_Network" target="_blank">General Network Creation Documentation</a>') . '</p>' .
 104      '<p>' . __('<a href="http://codex.wordpress.org/Tools_Network_SubPanel" target="_blank">Tools > Network Documentation</a>') . '</p>' .
 105      '<p>' . __('<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
 106  );
 107  
 108  include ( './admin-header.php' );
 109  ?>
 110  <div class="wrap">
 111  <?php screen_icon(); ?>
 112  <h2><?php echo esc_html( $title ); ?></h2>
 113  
 114  <?php
 115  /**
 116   * Prints step 1 for Network installation process.
 117   *
 118   * @todo Realistically, step 1 should be a welcome screen explaining what a Network is and such. Navigating to Tools > Network
 119   *     should not be a sudden "Welcome to a new install process! Fill this out and click here." See also contextual help todo.
 120   *
 121   * @since 3.0.0
 122   */
 123  function network_step1( $errors = false ) {
 124      global $is_apache;
 125  
 126      if ( get_option( 'siteurl' ) != get_option( 'home' ) ) {
 127          echo '<div class="error"><p><strong>' . __('Error:') . '</strong> ' . sprintf( __( 'Your <strong>WordPress address</strong> must match your <strong>Site address</strong> before creating a Network. See <a href="%s">General Settings</a>.' ), esc_url( admin_url( 'options-general.php' ) ) ) . '</p></div>';
 128          echo '</div>';
 129          include  ('./admin-footer.php' );
 130          die();
 131      }
 132  
 133      $active_plugins = get_option( 'active_plugins' );
 134      if ( ! empty( $active_plugins ) ) {
 135          echo '<div class="updated"><p><strong>' . __('Warning:') . '</strong> ' . sprintf( __( 'Please <a href="%s">deactivate your plugins</a> before enabling the Network feature.' ), admin_url( 'plugins.php?plugin_status=active' ) ) . '</p></div><p>' . __( 'Once the network is created, you may reactivate your plugins.' ) . '</p>';
 136          echo '</div>';
 137          include ( './admin-footer.php' );
 138          die();
 139      }
 140  
 141      $hostname = get_clean_basedomain();
 142      $has_ports = strstr( $hostname, ':' );
 143      if ( ( false !== $has_ports && ! in_array( $has_ports, array( ':80', ':443' ) ) ) ) {
 144          echo '<div class="error"><p><strong>' . __( 'Error:') . '</strong> ' . __( 'You cannot install a network of sites with your server address.' ) . '</p></div>';
 145          echo '<p>' . sprintf( __( 'You cannot use port numbers such as <code>%s</code>.' ), $has_ports ) . '</p>';
 146          echo '<a href="' . esc_url( admin_url() ) . '">' . __( 'Return to Dashboard' ) . '</a>';
 147          echo '</div>';
 148          include ( './admin-footer.php' );
 149          die();
 150      }
 151  
 152      echo '<form method="post" action="">';
 153  
 154      wp_nonce_field( 'install-network-1' );
 155  
 156      $error_codes = array();
 157      if ( is_wp_error( $errors ) ) {
 158          echo '<div class="error"><p><strong>' . __( 'ERROR: The network could not be created.' ) . '</strong></p>';
 159          foreach ( $errors->get_error_messages() as $error )
 160              echo "<p>$error</p>";
 161          echo '</div>';
 162          $error_codes = $errors->get_error_codes();
 163      }
 164  
 165      if ( WP_CONTENT_DIR != ABSPATH . 'wp-content' )
 166          echo '<div class="error"><p><strong>' . __('Warning!') . '</strong> ' . __( 'Networks may not be fully compatible with custom wp-content directories.' ) . '</p></div>';
 167  
 168      $site_name = ( ! empty( $_POST['sitename'] ) && ! in_array( 'empty_sitename', $error_codes ) ) ? $_POST['sitename'] : sprintf( _x('%s Sites', 'Default network name' ), get_option( 'blogname' ) );
 169      $admin_email = ( ! empty( $_POST['email'] ) && ! in_array( 'invalid_email', $error_codes ) ) ? $_POST['email'] : get_option( 'admin_email' );
 170      ?>
 171      <p><?php _e( 'Welcome to the Network installation process!' ); ?></p>
 172      <p><?php _e( 'Fill in the information below and you&#8217;ll be on your way to creating a network of WordPress sites. We will create configuration files in the next step.' ); ?></p>
 173      <?php
 174  
 175      if ( isset( $_POST['subdomain_install'] ) ) {
 176          $subdomain_install = (bool) $_POST['subdomain_install'];
 177      } elseif ( apache_mod_loaded('mod_rewrite') ) { // assume nothing
 178          $subdomain_install = true;
 179      } elseif ( !allow_subdirectory_install() ) {
 180          $subdomain_install = true;
 181      } else {
 182          $subdomain_install = false;
 183          if ( $got_mod_rewrite = got_mod_rewrite() ) // dangerous assumptions
 184              echo '<div class="updated inline"><p><strong>' . __( 'Note:' ) . '</strong> ' . __( 'Please make sure the Apache <code>mod_rewrite</code> module is installed as it will be used at the end of this installation.' ) . '</p>';
 185          elseif ( $is_apache )
 186              echo '<div class="error inline"><p><strong>' . __( 'Warning!' ) . '</strong> ' . __( 'It looks like the Apache <code>mod_rewrite</code> module is not installed.' ) . '</p>';
 187          if ( $got_mod_rewrite || $is_apache ) // Protect against mod_rewrite mimicry (but ! Apache)
 188              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></div>';
 189      }
 190  
 191      if ( allow_subdomain_install() && allow_subdirectory_install() ) : ?>
 192          <h3><?php esc_html_e( 'Addresses of Sites in your Network' ); ?></h3>
 193          <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>
 194          <p><?php _e( 'You will need a wildcard DNS record if you are going to use the virtual host (sub-domain) functionality.' ); ?></p>
 195          <?php // @todo: Link to an MS readme? ?>
 196          <table class="form-table">
 197              <tr>
 198                  <th><label><input type='radio' name='subdomain_install' value='1'<?php checked( $subdomain_install ); ?> /> <?php _e( 'Sub-domains' ); ?></label></th>
 199                  <td><?php printf( _x( 'like <code>site1.%1$s</code> and <code>site2.%1$s</code>', 'subdomain examples' ), $hostname ); ?></td>
 200              </tr>
 201              <tr>
 202                  <th><label><input type='radio' name='subdomain_install' value='0'<?php checked( ! $subdomain_install ); ?> /> <?php _e( 'Sub-directories' ); ?></label></th>
 203                  <td><?php printf( _x( 'like <code>%1$s/site1</code> and <code>%1$s/site2</code>', 'subdirectory examples' ), $hostname ); ?></td>
 204              </tr>
 205          </table>
 206  
 207  <?php
 208      endif;
 209  
 210          $is_www = ( 0 === strpos( $hostname, 'www.' ) );
 211          if ( $is_www ) :
 212          ?>
 213          <h3><?php esc_html_e( 'Server Address' ); ?></h3>
 214          <p><?php printf( __( 'We recommend you change your siteurl to <code>%1$s</code> before enabling the network feature. It will still be possible to visit your site using the <code>www</code> prefix with an address like <code>%2$s</code> but any links will not have the <code>www</code> prefix.' ), substr( $hostname, 4 ), $hostname ); ?></h3>
 215          <table class="form-table">
 216              <tr>
 217                  <th scope='row'><?php esc_html_e( 'Server Address' ); ?></th>
 218                  <td>
 219                      <?php printf( __( 'The internet address of your network will be <code>%s</code>.' ), $hostname ); ?>
 220                  </td>
 221              </tr>
 222          </table>
 223          <?php endif; ?>
 224  
 225          <h3><?php esc_html_e( 'Network Details' ); ?></h3>
 226          <table class="form-table">
 227          <?php if ( 'localhost' == $hostname ) : ?>
 228              <tr>
 229                  <th scope="row"><?php esc_html_e( 'Sub-directory Install' ); ?></th>
 230                  <td><?php
 231                      _e( 'Because you are using <code>localhost</code>, the sites in your WordPress network must use sub-directories. Consider using <code>localhost.localdomain</code> if you wish to use sub-domains.' );
 232                      // Uh oh:
 233                      if ( !allow_subdirectory_install() )
 234                          echo ' <strong>' . __( 'Warning!' ) . ' ' . __( 'The main site in a sub-directory install will need to use a modified permalink structure, potentially breaking existing links.' ) . '</strong>';
 235                  ?></td>
 236              </tr>
 237          <?php elseif ( !allow_subdomain_install() ) : ?>
 238              <tr>
 239                  <th scope="row"><?php esc_html_e( 'Sub-directory Install' ); ?></th>
 240                  <td><?php
 241                      _e( 'Because your install is in a directory, the sites in your WordPress network must use sub-directories.' );
 242                      // Uh oh:
 243                      if ( !allow_subdirectory_install() )
 244                          echo ' <strong>' . __( 'Warning!' ) . ' ' . __( 'The main site in a sub-directory install will need to use a modified permalink structure, potentially breaking existing links.' ) . '</strong>';
 245                  ?></td>
 246              </tr>
 247          <?php elseif ( !allow_subdirectory_install() ) : ?>
 248              <tr>
 249                  <th scope="row"><?php esc_html_e( 'Sub-domain Install' ); ?></th>
 250                  <td><?php _e( 'Because your install is not new, the sites in your WordPress network must use sub-domains.' );
 251                      echo ' <strong>' . __( 'The main site in a sub-directory install will need to use a modified permalink structure, potentially breaking existing links.' ) . '</strong>';
 252                  ?></td>
 253              </tr>
 254          <?php endif; ?>
 255          <?php if ( ! $is_www ) : ?>
 256              <tr>
 257                  <th scope='row'><?php esc_html_e( 'Server Address' ); ?></th>
 258                  <td>
 259                      <?php printf( __( 'The internet address of your network will be <code>%s</code>.' ), $hostname ); ?>
 260                  </td>
 261              </tr>
 262          <?php endif; ?>
 263              <tr>
 264                  <th scope='row'><?php esc_html_e( 'Network Title' ); ?></th>
 265                  <td>
 266                      <input name='sitename' type='text' size='45' value='<?php echo esc_attr( $site_name ); ?>' />
 267                      <br /><?php _e( 'What would you like to call your network?' ); ?>
 268                  </td>
 269              </tr>
 270              <tr>
 271                  <th scope='row'><?php esc_html_e( 'Admin E-mail Address' ); ?></th>
 272                  <td>
 273                      <input name='email' type='text' size='45' value='<?php echo esc_attr( $admin_email ); ?>' />
 274                      <br /><?php _e( 'Your email address.' ); ?>
 275                  </td>
 276              </tr>
 277          </table>
 278          <p class='submit'><input class="button-primary" name='submit' type='submit' value='<?php esc_attr_e( 'Install' ); ?>' /></p>
 279      </form>
 280          <?php
 281  }
 282  
 283  /**
 284   * Prints step 2 for Network installation process.
 285   *
 286   * @since 3.0.0
 287   */
 288  function network_step2( $errors = false ) {
 289      global $base, $wpdb;
 290      $hostname = get_clean_basedomain();
 291  
 292      // Wildcard DNS message.
 293      if ( is_wp_error( $errors ) )
 294          echo '<div class="error">' . $errors->get_error_message() . '</div>';
 295  
 296      if ( $_POST ) {
 297          $subdomain_install = allow_subdomain_install() ? ( allow_subdirectory_install() ? ! empty( $_POST['subdomain_install'] ) : true ) : false;
 298      } else {
 299          if ( is_multisite() ) {
 300              $subdomain_install = is_subdomain_install();
 301  ?>
 302      <div class="updated"><p><strong><?php _e( 'Notice: The Network feature is already enabled.' ); ?></strong> <?php _e( 'The original configuration steps are shown here for reference.' ); ?></p></div>
 303  <?php    } else {
 304              $subdomain_install = (bool) $wpdb->get_var( "SELECT meta_value FROM $wpdb->sitemeta WHERE site_id = 1 AND meta_key = 'subdomain_install'" );
 305  ?>
 306      <div class="error"><p><strong><?php _e('Warning:'); ?></strong> <?php _e( 'An existing WordPress network was detected.' ); ?></p></div>
 307      <p><?php _e( 'Please complete the configuration steps. To create a new network, you will need to empty or remove the network database tables.' ); ?></p>
 308  <?php
 309          }
 310      }
 311  
 312      if ( $_POST || ! is_multisite() ) {
 313  ?>
 314          <h3><?php esc_html_e( 'Enabling the Network' ); ?></h3>
 315          <p><?php _e( 'Complete the following steps to enable the features for creating a network of sites.' ); ?></p>
 316          <div class="updated inline"><p><?php
 317              if ( iis7_supports_permalinks() )
 318                  _e( '<strong>Caution:</strong> We recommend you back up your existing <code>wp-config.php</code> file.' );
 319              else
 320                  _e( '<strong>Caution:</strong> We recommend you back up your existing <code>wp-config.php</code> and <code>.htaccess</code> files.' );
 321          ?></p></div>
 322  <?php
 323      }
 324  ?>
 325          <ol>
 326              <li><p><?php
 327                  printf( __( 'Create a <code>blogs.dir</code> directory in <code>%s</code>. This directory is used to stored uploaded media for your additional sites and must be writeable by the web server.' ), WP_CONTENT_DIR );
 328                  if ( WP_CONTENT_DIR != ABSPATH . 'wp-content' )
 329                      echo ' <strong>' . __('Warning:') . ' ' . __( 'Networks may not be fully compatible with custom wp-content directories.' ) . '</strong';
 330              ?></p></li>
 331              <li><p><?php printf( __( 'Add the following to your <code>wp-config.php</code> file in <code>%s</code> <strong>above</strong> the line reading <code>/* That&#8217;s all, stop editing! Happy blogging. */</code>:' ), ABSPATH ); ?></p>
 332                  <textarea class="code" readonly="readonly" cols="100" rows="7">
 333  define( 'MULTISITE', true );
 334  define( 'SUBDOMAIN_INSTALL', <?php echo $subdomain_install ? 'true' : 'false'; ?> );
 335  $base = '<?php echo $base; ?>';
 336  define( 'DOMAIN_CURRENT_SITE', '<?php echo $hostname; ?>' );
 337  define( 'PATH_CURRENT_SITE', '<?php echo $base; ?>' );
 338  define( 'SITE_ID_CURRENT_SITE', 1 );
 339  define( 'BLOG_ID_CURRENT_SITE', 1 );</textarea>
 340  <?php
 341      $keys_salts = array( 'AUTH_KEY' => '', 'SECURE_AUTH_KEY' => '', 'LOGGED_IN_KEY' => '', 'NONCE_KEY' => '', 'AUTH_SALT' => '', 'SECURE_AUTH_SALT' => '', 'LOGGED_IN_SALT' => '', 'NONCE_SALT' => '' );
 342      foreach ( $keys_salts as $c => $v ) {
 343          if ( defined( $c ) )
 344              unset( $keys_salts[ $c ] );
 345      }
 346      if ( ! empty( $keys_salts ) ) {
 347          $from_api = wp_remote_get( 'https://api.wordpress.org/secret-key/1.1/salt/' );
 348          if ( is_wp_error( $from_api ) ) {
 349              foreach ( $keys_salts as $c => $v ) {
 350                  $keys_salts[ $c ] = wp_generate_password( 64, true, true );
 351              }
 352          } else {
 353              $from_api = explode( "\n", wp_remote_retrieve_body( $from_api ) );
 354              foreach ( $keys_salts as $c => $v ) {
 355                  $keys_salts[ $c ] = substr( array_shift( $from_api ), 28, 64 );
 356              }
 357          }
 358          $num_keys_salts = count( $keys_salts );
 359  ?>
 360      <p><?php
 361          echo _n( 'This unique authentication key is also missing from your <code>wp-config.php</code> file.', 'These unique authentication keys are also missing from your <code>wp-config.php</code> file.', $num_keys_salts ); ?> <?php _e( 'To make your installation more secure, you should also add:' ) ?></p>
 362      <textarea class="code" readonly="readonly" cols="100" rows="<?php echo $num_keys_salts; ?>"><?php
 363      foreach ( $keys_salts as $c => $v ) {
 364          echo "\ndefine( '$c', '$v' );";
 365      }
 366  ?></textarea>
 367  <?php
 368      }
 369  ?>
 370  </li>
 371  <?php
 372      if ( iis7_supports_permalinks() ) :
 373  
 374              if ( $subdomain_install ) {
 375                  $web_config_file =
 376  '<?xml version="1.0" encoding="UTF-8"?>
 377  <configuration>
 378      <system.webServer>
 379          <rewrite>
 380              <rules>
 381                  <rule name="WordPress Rule 1" stopProcessing="true">
 382                      <match url="^index\.php$" ignoreCase="false" />
 383                      <action type="None" />
 384                  </rule>
 385                  <rule name="WordPress Rule 2" stopProcessing="true">
 386                      <match url="^files/(.+)" ignoreCase="false" />
 387                      <action type="Rewrite" url="wp-includes/ms-files.php?file={R:1}" appendQueryString="false" />
 388                  </rule>
 389                  <rule name="WordPress Rule 3" stopProcessing="true">
 390                      <match url="^" ignoreCase="false" />
 391                      <conditions logicalGrouping="MatchAny">
 392                          <add input="{REQUEST_FILENAME}" matchType="IsFile" ignoreCase="false" />
 393                          <add input="{REQUEST_FILENAME}" matchType="IsDirectory" ignoreCase="false" />
 394                      </conditions>
 395                      <action type="None" />
 396                  </rule>
 397                  <rule name="WordPress Rule 4" stopProcessing="true">
 398                      <match url="." ignoreCase="false" />
 399                      <action type="Rewrite" url="index.php" />
 400                  </rule>
 401              </rules>
 402          </rewrite>
 403      </system.webServer>
 404  </configuration>';
 405              } else {
 406                  $web_config_file =
 407  '<?xml version="1.0" encoding="UTF-8"?>
 408  <configuration>
 409      <system.webServer>
 410          <rewrite>
 411              <rules>
 412                  <rule name="WordPress Rule 1" stopProcessing="true">
 413                      <match url="^index\.php$" ignoreCase="false" />
 414                      <action type="None" />
 415                  </rule>
 416                  <rule name="WordPress Rule 2" stopProcessing="true">
 417                      <match url="^([_0-9a-zA-Z-]+/)?files/(.+)" ignoreCase="false" />
 418                      <action type="Rewrite" url="wp-includes/ms-files.php?file={R:2}" appendQueryString="false" />
 419                  </rule>
 420                  <rule name="WordPress Rule 3" stopProcessing="true">
 421                      <match url="^([_0-9a-zA-Z-]+/)?wp-admin$" ignoreCase="false" />
 422                      <action type="Redirect" url="{R:1}wp-admin/" redirectType="Permanent" />
 423                  </rule>
 424                  <rule name="WordPress Rule 4" stopProcessing="true">
 425                      <match url="^" ignoreCase="false" />
 426                      <conditions logicalGrouping="MatchAny">
 427                          <add input="{REQUEST_FILENAME}" matchType="IsFile" ignoreCase="false" />
 428                          <add input="{REQUEST_FILENAME}" matchType="IsDirectory" ignoreCase="false" />
 429                      </conditions>
 430                      <action type="None" />
 431                  </rule>
 432                  <rule name="WordPress Rule 5" stopProcessing="true">
 433                      <match url="^([_0-9a-zA-Z-]+/)?(wp-(content|admin|includes).*)" ignoreCase="false" />
 434                      <action type="Rewrite" url="{R:2}" />
 435                  </rule>
 436                  <rule name="WordPress Rule 6" stopProcessing="true">
 437                      <match url="^([_0-9a-zA-Z-]+/)?(.*\.php)$" ignoreCase="false" />
 438                      <action type="Rewrite" url="{R:2}" />
 439                  </rule>
 440                  <rule name="WordPress Rule 7" stopProcessing="true">
 441                      <match url="." ignoreCase="false" />
 442                      <action type="Rewrite" url="index.php" />
 443                  </rule>
 444              </rules>
 445          </rewrite>
 446      </system.webServer>
 447  </configuration>';
 448              }
 449      ?>
 450          <li><p><?php printf( __( 'Add the following to your <code>web.config</code> file in <code>%s</code>, replacing other WordPress rules:' ), ABSPATH ); ?></p>
 451          <textarea class="code" readonly="readonly" cols="100" rows="20">
 452          <?php echo wp_htmledit_pre( $web_config_file ); ?>
 453          </textarea></li>
 454          </ol>
 455  
 456      <?php else : // end iis7_supports_permalinks(). construct an htaccess file instead:
 457  
 458          $htaccess_file = 'RewriteEngine On
 459  RewriteBase ' . $base . '
 460  RewriteRule ^index\.php$ - [L]
 461  
 462  # uploaded files
 463  RewriteRule ^' . ( $subdomain_install ? '' : '([_0-9a-zA-Z-]+/)?' ) . 'files/(.+) wp-includes/ms-files.php?file=$' . ( $subdomain_install ? 1 : 2 ) . ' [L]' . "\n";
 464  
 465          if ( ! $subdomain_install )
 466              $htaccess_file .= "\n# add a trailing slash to /wp-admin\n" . 'RewriteRule ^([_0-9a-zA-Z-]+/)?wp-admin$ $1wp-admin/ [R=301,L]' . "\n";
 467  
 468          $htaccess_file .= "\n" . 'RewriteCond %{REQUEST_FILENAME} -f [OR]
 469  RewriteCond %{REQUEST_FILENAME} -d
 470  RewriteRule ^ - [L]';
 471  
 472          // @todo custom content dir.
 473          if ( ! $subdomain_install )
 474              $htaccess_file .= "\nRewriteRule  ^([_0-9a-zA-Z-]+/)?(wp-(content|admin|includes).*) $2 [L]\nRewriteRule  ^([_0-9a-zA-Z-]+/)?(.*\.php)$ $2 [L]";
 475  
 476          $htaccess_file .= "\nRewriteRule . index.php [L]";
 477  
 478          ?>
 479          <li><p><?php printf( __( 'Add the following to your <code>.htaccess</code> file in <code>%s</code>, replacing other WordPress rules:' ), ABSPATH ); ?></p>
 480          <textarea class="code" readonly="readonly" cols="100" rows="<?php echo $subdomain_install ? 11 : 16; ?>">
 481  <?php echo wp_htmledit_pre( $htaccess_file ); ?></textarea></li>
 482          </ol>
 483  
 484      <?php endif; // end IIS/Apache code branches.
 485  
 486      if ( !is_multisite() ) { ?>
 487          <p><?php printf( __( 'Once you complete these steps, your network is enabled and configured. You will have to log in again.') ); ?> <a href="<?php echo esc_url( site_url( 'wp-login.php' ) ); ?>"><?php _e( 'Log In' ); ?></a></p>
 488  <?php
 489      }
 490  }
 491  
 492  $base = trailingslashit( stripslashes( dirname( dirname( $_SERVER['SCRIPT_NAME'] ) ) ) );
 493  
 494  if ( $_POST ) {
 495      check_admin_referer( 'install-network-1' );
 496  
 497      require_once ( ABSPATH . 'wp-admin/includes/upgrade.php' );
 498      // create network tables
 499      install_network();
 500      $hostname = get_clean_basedomain();
 501      $subdomain_install = !allow_subdomain_install() ? false : (bool) $_POST['subdomain_install'];
 502      if ( ! network_domain_check() ) {
 503          $result = populate_network( 1, get_clean_basedomain(), sanitize_email( $_POST['email'] ), stripslashes( $_POST['sitename'] ), $base, $subdomain_install );
 504          if ( is_wp_error( $result ) ) {
 505              if ( 1 == count( $result->get_error_codes() ) && 'no_wildcard_dns' == $result->get_error_code() )
 506                  network_step2( $result );
 507              else
 508                  network_step1( $result );
 509          } else {
 510              network_step2();
 511          }
 512      } else {
 513          network_step2();
 514      }
 515  } elseif ( is_multisite() || network_domain_check() ) {
 516      network_step2();
 517  } else {
 518      network_step1();
 519  }
 520  ?>
 521  </div>
 522  
 523  <?php include ( './admin-footer.php' ); ?>