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/wp-admin/network.php

https://bitbucket.org/julianelve/vendor-wordpress
PHP | 543 lines | 435 code | 53 blank | 55 comment | 83 complexity | 3a118566088244eb5bd4ac53424c67cd MD5 | raw file
  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
 13define( 'WP_INSTALLING_NETWORK', true );
 14
 15/** WordPress Administration Bootstrap */
 16require_once( './admin.php' );
 17
 18if ( ! is_super_admin() )
 19	wp_die( __( 'You do not have sufficient permissions to manage options for this site.' ) );
 20
 21if ( is_multisite() ) {
 22	if ( ! is_network_admin() ) {
 23		wp_redirect( network_admin_url( 'setup.php' ) );
 24		exit;
 25	}
 26	if ( ! defined( 'MULTISITE' ) )
 27		wp_die( __( 'The Network creation panel is not for WordPress MU networks.' ) );
 28}
 29
 30// We need to create references to ms global tables to enable Network.
 31foreach ( $wpdb->tables( 'ms_global' ) as $table => $prefixed_table )
 32	$wpdb->$table = $prefixed_table;
 33
 34/**
 35 * Check for an existing network.
 36 *
 37 * @since 3.0.0
 38 * @return Whether a network exists.
 39 */
 40function network_domain_check() {
 41	global $wpdb;
 42	if ( $wpdb->get_var( "SHOW TABLES LIKE '$wpdb->site'" ) )
 43		return $wpdb->get_var( "SELECT domain FROM $wpdb->site ORDER BY id ASC LIMIT 1" );
 44	return false;
 45}
 46
 47/**
 48 * Allow subdomain install
 49 *
 50 * @since 3.0.0
 51 * @return bool Whether subdomain install is allowed
 52 */
 53function allow_subdomain_install() {
 54	$domain = preg_replace( '|https?://([^/]+)|', '$1', get_option( 'home' ) );
 55	if( parse_url( get_option( 'home' ), PHP_URL_PATH ) || 'localhost' == $domain || preg_match( '|^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$|', $domain ) )
 56		return false;
 57
 58	return true;
 59}
 60/**
 61 * Allow subdirectory install
 62 *
 63 * @since 3.0.0
 64 * @return bool Whether subdirectory install is allowed
 65 */
 66function allow_subdirectory_install() {
 67	global $wpdb;
 68	if ( apply_filters( 'allow_subdirectory_install', false ) )
 69		return true;
 70
 71	if ( defined( 'ALLOW_SUBDIRECTORY_INSTALL' ) && ALLOW_SUBDIRECTORY_INSTALL )
 72		return true;
 73
 74	$post = $wpdb->get_row( "SELECT ID FROM $wpdb->posts WHERE post_date < DATE_SUB(NOW(), INTERVAL 1 MONTH) AND post_status = 'publish'" );
 75	if ( empty( $post ) )
 76		return true;
 77
 78	return false;
 79}
 80/**
 81 * Get base domain of network.
 82 *
 83 * @since 3.0.0
 84 * @return string Base domain.
 85 */
 86function get_clean_basedomain() {
 87	if ( $existing_domain = network_domain_check() )
 88		return $existing_domain;
 89	$domain = preg_replace( '|https?://|', '', get_option( 'siteurl' ) );
 90	if ( $slash = strpos( $domain, '/' ) )
 91		$domain = substr( $domain, 0, $slash );
 92	return $domain;
 93}
 94
 95if ( ! network_domain_check() && ( ! defined( 'WP_ALLOW_MULTISITE' ) || ! WP_ALLOW_MULTISITE ) )
 96	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.' ) );
 97
 98if ( is_network_admin() ) {
 99	$title = __( 'Network Setup' );
100	$parent_file = 'settings.php';
101} else {
102	$title = __( 'Create a Network of WordPress Sites' );
103	$parent_file = 'tools.php';
104}
105
106$network_help = '<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>' .
107	'<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>' .
108	'<p>' . __('The next screen for Network Setup 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>' .
109	'<p>' . __('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>' .
110	'<p>' . __('Once you add this code and refresh your browser, multisite should be enabled. This screen, now in the Network Admin navigation menu, will keep an archive of the added code. You can toggle between Network Admin and Site Admin by clicking on the Network Admin or an individual site name under the My Sites dropdown in the Toolbar.') . '</p>' .
111	'<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 in a future version.') . '</p>' .
112	'<p><strong>' . __('For more information:') . '</strong></p>' .
113	'<p>' . __('<a href="http://codex.wordpress.org/Create_A_Network" target="_blank">Documentation on Creating a Network</a>') . '</p>' .
114	'<p>' . __('<a href="http://codex.wordpress.org/Tools_Network_Screen" target="_blank">Documentation on the Network Screen</a>') . '</p>';
115
116get_current_screen()->add_help_tab( array(
117	'id'      => 'network',
118	'title'   => __('Network'),
119	'content' => $network_help,
120) );
121
122get_current_screen()->set_help_sidebar(
123	'<p><strong>' . __('For more information:') . '</strong></p>' .
124	'<p>' . __('<a href="http://codex.wordpress.org/Create_A_Network" target="_blank">Documentation on Creating a Network</a>') . '</p>' .
125	'<p>' . __('<a href="http://codex.wordpress.org/Tools_Network_Screen" target="_blank">Documentation on the Network Screen</a>') . '</p>' .
126	'<p>' . __('<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
127);
128
129include( ABSPATH . 'wp-admin/admin-header.php' );
130?>
131<div class="wrap">
132<?php screen_icon('tools'); ?>
133<h2><?php echo esc_html( $title ); ?></h2>
134
135<?php
136/**
137 * Prints step 1 for Network installation process.
138 *
139 * @todo Realistically, step 1 should be a welcome screen explaining what a Network is and such. Navigating to Tools > Network
140 * 	should not be a sudden "Welcome to a new install process! Fill this out and click here." See also contextual help todo.
141 *
142 * @since 3.0.0
143 */
144function network_step1( $errors = false ) {
145	global $is_apache;
146
147	if ( defined('DO_NOT_UPGRADE_GLOBAL_TABLES') ) {
148		echo '<div class="error"><p><strong>' . __('ERROR:') . '</strong> ' . __( 'The constant DO_NOT_UPGRADE_GLOBAL_TABLES cannot be defined when creating a network.' ) . '</p></div>';
149		echo '</div>';
150		include ( ABSPATH . 'wp-admin/admin-footer.php' );
151		die();
152	}
153
154	$active_plugins = get_option( 'active_plugins' );
155	if ( ! empty( $active_plugins ) ) {
156		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>';
157		echo '</div>';
158		include( ABSPATH . 'wp-admin/admin-footer.php' );
159		die();
160	}
161
162	$hostname = get_clean_basedomain();
163	$has_ports = strstr( $hostname, ':' );
164	if ( ( false !== $has_ports && ! in_array( $has_ports, array( ':80', ':443' ) ) ) ) {
165		echo '<div class="error"><p><strong>' . __( 'ERROR:') . '</strong> ' . __( 'You cannot install a network of sites with your server address.' ) . '</p></div>';
166		echo '<p>' . sprintf( __( 'You cannot use port numbers such as <code>%s</code>.' ), $has_ports ) . '</p>';
167		echo '<a href="' . esc_url( admin_url() ) . '">' . __( 'Return to Dashboard' ) . '</a>';
168		echo '</div>';
169		include( ABSPATH . 'wp-admin/admin-footer.php' );
170		die();
171	}
172
173	echo '<form method="post" action="">';
174
175	wp_nonce_field( 'install-network-1' );
176
177	$error_codes = array();
178	if ( is_wp_error( $errors ) ) {
179		echo '<div class="error"><p><strong>' . __( 'ERROR: The network could not be created.' ) . '</strong></p>';
180		foreach ( $errors->get_error_messages() as $error )
181			echo "<p>$error</p>";
182		echo '</div>';
183		$error_codes = $errors->get_error_codes();
184	}
185
186	$site_name = ( ! empty( $_POST['sitename'] ) && ! in_array( 'empty_sitename', $error_codes ) ) ? $_POST['sitename'] : sprintf( _x('%s Sites', 'Default network name' ), get_option( 'blogname' ) );
187	$admin_email = ( ! empty( $_POST['email'] ) && ! in_array( 'invalid_email', $error_codes ) ) ? $_POST['email'] : get_option( 'admin_email' );
188	?>
189	<p><?php _e( 'Welcome to the Network installation process!' ); ?></p>
190	<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>
191	<?php
192
193	if ( isset( $_POST['subdomain_install'] ) ) {
194		$subdomain_install = (bool) $_POST['subdomain_install'];
195	} elseif ( apache_mod_loaded('mod_rewrite') ) { // assume nothing
196		$subdomain_install = true;
197	} elseif ( !allow_subdirectory_install() ) {
198		$subdomain_install = true;
199	} else {
200		$subdomain_install = false;
201		if ( $got_mod_rewrite = got_mod_rewrite() ) // dangerous assumptions
202			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>';
203		elseif ( $is_apache )
204			echo '<div class="error inline"><p><strong>' . __( 'Warning!' ) . '</strong> ' . __( 'It looks like the Apache <code>mod_rewrite</code> module is not installed.' ) . '</p>';
205		if ( $got_mod_rewrite || $is_apache ) // Protect against mod_rewrite mimicry (but ! Apache)
206			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>';
207	}
208
209	if ( allow_subdomain_install() && allow_subdirectory_install() ) : ?>
210		<h3><?php esc_html_e( 'Addresses of Sites in your Network' ); ?></h3>
211		<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>
212		<p><?php _e( 'You will need a wildcard DNS record if you are going to use the virtual host (sub-domain) functionality.' ); ?></p>
213		<?php // @todo: Link to an MS readme? ?>
214		<table class="form-table">
215			<tr>
216				<th><label><input type='radio' name='subdomain_install' value='1'<?php checked( $subdomain_install ); ?> /> <?php _e( 'Sub-domains' ); ?></label></th>
217				<td><?php printf( _x( 'like <code>site1.%1$s</code> and <code>site2.%1$s</code>', 'subdomain examples' ), $hostname ); ?></td>
218			</tr>
219			<tr>
220				<th><label><input type='radio' name='subdomain_install' value='0'<?php checked( ! $subdomain_install ); ?> /> <?php _e( 'Sub-directories' ); ?></label></th>
221				<td><?php printf( _x( 'like <code>%1$s/site1</code> and <code>%1$s/site2</code>', 'subdirectory examples' ), $hostname ); ?></td>
222			</tr>
223		</table>
224
225<?php
226	endif;
227
228		if ( WP_CONTENT_DIR != ABSPATH . 'wp-content' && ( allow_subdirectory_install() || ! allow_subdomain_install() ) )
229			echo '<div class="error inline"><p><strong>' . __('Warning!') . '</strong> ' . __( 'Subdirectory networks may not be fully compatible with custom wp-content directories.' ) . '</p></div>';
230
231		$is_www = ( 0 === strpos( $hostname, 'www.' ) );
232		if ( $is_www ) :
233		?>
234		<h3><?php esc_html_e( 'Server Address' ); ?></h3>
235		<p><?php printf( __( 'We recommend you change your siteurl to <code>%1$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 ); ?></p>
236		<table class="form-table">
237			<tr>
238				<th scope='row'><?php esc_html_e( 'Server Address' ); ?></th>
239				<td>
240					<?php printf( __( 'The internet address of your network will be <code>%s</code>.' ), $hostname ); ?>
241				</td>
242			</tr>
243		</table>
244		<?php endif; ?>
245
246		<h3><?php esc_html_e( 'Network Details' ); ?></h3>
247		<table class="form-table">
248		<?php if ( 'localhost' == $hostname ) : ?>
249			<tr>
250				<th scope="row"><?php esc_html_e( 'Sub-directory Install' ); ?></th>
251				<td><?php
252					_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.' );
253					// Uh oh:
254					if ( !allow_subdirectory_install() )
255						echo ' <strong>' . __( 'Warning!' ) . ' ' . __( 'The main site in a sub-directory install will need to use a modified permalink structure, potentially breaking existing links.' ) . '</strong>';
256				?></td>
257			</tr>
258		<?php elseif ( !allow_subdomain_install() ) : ?>
259			<tr>
260				<th scope="row"><?php esc_html_e( 'Sub-directory Install' ); ?></th>
261				<td><?php
262					_e( 'Because your install is in a directory, the sites in your WordPress network must use sub-directories.' );
263					// Uh oh:
264					if ( !allow_subdirectory_install() )
265						echo ' <strong>' . __( 'Warning!' ) . ' ' . __( 'The main site in a sub-directory install will need to use a modified permalink structure, potentially breaking existing links.' ) . '</strong>';
266				?></td>
267			</tr>
268		<?php elseif ( !allow_subdirectory_install() ) : ?>
269			<tr>
270				<th scope="row"><?php esc_html_e( 'Sub-domain Install' ); ?></th>
271				<td><?php _e( 'Because your install is not new, the sites in your WordPress network must use sub-domains.' );
272					echo ' <strong>' . __( 'The main site in a sub-directory install will need to use a modified permalink structure, potentially breaking existing links.' ) . '</strong>';
273				?></td>
274			</tr>
275		<?php endif; ?>
276		<?php if ( ! $is_www ) : ?>
277			<tr>
278				<th scope='row'><?php esc_html_e( 'Server Address' ); ?></th>
279				<td>
280					<?php printf( __( 'The internet address of your network will be <code>%s</code>.' ), $hostname ); ?>
281				</td>
282			</tr>
283		<?php endif; ?>
284			<tr>
285				<th scope='row'><?php esc_html_e( 'Network Title' ); ?></th>
286				<td>
287					<input name='sitename' type='text' size='45' value='<?php echo esc_attr( $site_name ); ?>' />
288					<br /><?php _e( 'What would you like to call your network?' ); ?>
289				</td>
290			</tr>
291			<tr>
292				<th scope='row'><?php esc_html_e( 'Admin E-mail Address' ); ?></th>
293				<td>
294					<input name='email' type='text' size='45' value='<?php echo esc_attr( $admin_email ); ?>' />
295					<br /><?php _e( 'Your email address.' ); ?>
296				</td>
297			</tr>
298		</table>
299		<?php submit_button( __( 'Install' ), 'primary', 'submit' ); ?>
300	</form>
301	<?php
302}
303
304/**
305 * Prints step 2 for Network installation process.
306 *
307 * @since 3.0.0
308 */
309function network_step2( $errors = false ) {
310	global $wpdb;
311
312	$hostname          = get_clean_basedomain();
313	$slashed_home      = trailingslashit( get_option( 'home' ) );
314	$base              = parse_url( $slashed_home, PHP_URL_PATH );
315	$document_root_fix = str_replace( '\\', '/', realpath( $_SERVER['DOCUMENT_ROOT'] ) );
316	$abspath_fix       = str_replace( '\\', '/', ABSPATH );
317	$home_path         = 0 === strpos( $abspath_fix, $document_root_fix ) ? $document_root_fix . $base : str_replace( '\\', '/', get_home_path() );
318	$wp_siteurl_subdir = preg_replace( '#^' . preg_quote( $home_path, '#' ) . '#', '', $abspath_fix );
319	$rewrite_base      = ! empty( $wp_siteurl_subdir ) ? ltrim( trailingslashit( $wp_siteurl_subdir ), '/' ) : '';
320
321
322	$location_of_wp_config = ABSPATH;
323	if ( ! file_exists( ABSPATH . 'wp-config.php' ) && file_exists( dirname( ABSPATH ) . '/wp-config.php' ) )
324		$location_of_wp_config = trailingslashit( dirname( ABSPATH ) );
325
326	// Wildcard DNS message.
327	if ( is_wp_error( $errors ) )
328		echo '<div class="error">' . $errors->get_error_message() . '</div>';
329
330	if ( $_POST ) {
331		if ( allow_subdomain_install() )
332			$subdomain_install = allow_subdirectory_install() ? ! empty( $_POST['subdomain_install'] ) : true;
333		else
334			$subdomain_install = false;
335	} else {
336		if ( is_multisite() ) {
337			$subdomain_install = is_subdomain_install();
338?>
339	<p><?php _e( 'The original configuration steps are shown here for reference.' ); ?></p>
340<?php
341		} else {
342			$subdomain_install = (bool) $wpdb->get_var( "SELECT meta_value FROM $wpdb->sitemeta WHERE site_id = 1 AND meta_key = 'subdomain_install'" );
343?>
344	<div class="error"><p><strong><?php _e('Warning:'); ?></strong> <?php _e( 'An existing WordPress network was detected.' ); ?></p></div>
345	<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>
346<?php
347		}
348	}
349
350	$subdir_match          = $subdomain_install ? '' : '([_0-9a-zA-Z-]+/)?';
351	$subdir_replacement_01 = $subdomain_install ? '' : '$1';
352	$subdir_replacement_12 = $subdomain_install ? '$1' : '$2';
353
354	if ( $_POST || ! is_multisite() ) {
355?>
356		<h3><?php esc_html_e( 'Enabling the Network' ); ?></h3>
357		<p><?php _e( 'Complete the following steps to enable the features for creating a network of sites.' ); ?></p>
358		<div class="updated inline"><p><?php
359			if ( file_exists( $home_path . '.htaccess' ) )
360				printf( __( '<strong>Caution:</strong> We recommend you back up your existing <code>wp-config.php</code> and <code>%s</code> files.' ), '.htaccess' );
361			elseif ( file_exists( $home_path . 'web.config' ) )
362				printf( __( '<strong>Caution:</strong> We recommend you back up your existing <code>wp-config.php</code> and <code>%s</code> files.' ), 'web.config' );
363			else
364				_e( '<strong>Caution:</strong> We recommend you back up your existing <code>wp-config.php</code> file.' );
365		?></p></div>
366<?php
367	}
368?>
369		<ol>
370			<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>:' ), $location_of_wp_config ); ?></p>
371				<textarea class="code" readonly="readonly" cols="100" rows="6">
372define('MULTISITE', true);
373define('SUBDOMAIN_INSTALL', <?php echo $subdomain_install ? 'true' : 'false'; ?>);
374define('DOMAIN_CURRENT_SITE', '<?php echo $hostname; ?>');
375define('PATH_CURRENT_SITE', '<?php echo $base; ?>');
376define('SITE_ID_CURRENT_SITE', 1);
377define('BLOG_ID_CURRENT_SITE', 1);
378</textarea>
379<?php
380	$keys_salts = array( 'AUTH_KEY' => '', 'SECURE_AUTH_KEY' => '', 'LOGGED_IN_KEY' => '', 'NONCE_KEY' => '', 'AUTH_SALT' => '', 'SECURE_AUTH_SALT' => '', 'LOGGED_IN_SALT' => '', 'NONCE_SALT' => '' );
381	foreach ( $keys_salts as $c => $v ) {
382		if ( defined( $c ) )
383			unset( $keys_salts[ $c ] );
384	}
385
386	if ( ! empty( $keys_salts ) ) {
387		$keys_salts_str = '';
388		$from_api = wp_remote_get( 'https://api.wordpress.org/secret-key/1.1/salt/' );
389		if ( is_wp_error( $from_api ) ) {
390			foreach ( $keys_salts as $c => $v ) {
391				$keys_salts_str .= "\ndefine( '$c', '" . wp_generate_password( 64, true, true ) . "' );";
392			}
393		} else {
394			$from_api = explode( "\n", wp_remote_retrieve_body( $from_api ) );
395			foreach ( $keys_salts as $c => $v ) {
396				$keys_salts_str .= "\ndefine( '$c', '" . substr( array_shift( $from_api ), 28, 64 ) . "' );";
397			}
398		}
399		$num_keys_salts = count( $keys_salts );
400?>
401	<p><?php
402		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>
403	<textarea class="code" readonly="readonly" cols="100" rows="<?php echo $num_keys_salts; ?>"><?php echo esc_textarea( $keys_salts_str ); ?></textarea>
404<?php
405	}
406?>
407</li>
408<?php
409	if ( iis7_supports_permalinks() ) :
410		// IIS doesn't support RewriteBase, all your RewriteBase are belong to us
411		$iis_subdir_match = ltrim( $base, '/' ) . $subdir_match;
412		$iis_rewrite_base = ltrim( $base, '/' ) . $rewrite_base;
413		$iis_subdir_replacement = $subdomain_install ? '' : '{R:1}';
414
415		$web_config_file = '<?xml version="1.0" encoding="UTF-8"?>
416<configuration>
417    <system.webServer>
418        <rewrite>
419            <rules>
420                <rule name="WordPress Rule 1" stopProcessing="true">
421                    <match url="^index\.php$" ignoreCase="false" />
422                    <action type="None" />
423                </rule>';
424				if ( is_multisite() && get_site_option( 'ms_files_rewriting' ) ) {
425					$web_config_file .= '
426                <rule name="WordPress Rule for Files" stopProcessing="true">
427                    <match url="^' . $iis_subdir_match . 'files/(.+)" ignoreCase="false" />
428                    <action type="Rewrite" url="' . $iis_rewrite_base . 'wp-includes/ms-files.php?file={R:1}" appendQueryString="false" />
429                </rule>';
430                }
431                $web_config_file .= '
432                <rule name="WordPress Rule 2" stopProcessing="true">
433                    <match url="^' . $iis_subdir_match . 'wp-admin$" ignoreCase="false" />
434                    <action type="Redirect" url="' . $iis_subdir_replacement . 'wp-admin/" redirectType="Permanent" />
435                </rule>
436                <rule name="WordPress Rule 3" stopProcessing="true">
437                    <match url="^" ignoreCase="false" />
438                    <conditions logicalGrouping="MatchAny">
439                        <add input="{REQUEST_FILENAME}" matchType="IsFile" ignoreCase="false" />
440                        <add input="{REQUEST_FILENAME}" matchType="IsDirectory" ignoreCase="false" />
441                    </conditions>
442                    <action type="None" />
443                </rule>
444                <rule name="WordPress Rule 4" stopProcessing="true">
445                    <match url="^' . $iis_subdir_match . '(wp-(content|admin|includes).*)" ignoreCase="false" />
446                    <action type="Rewrite" url="' . $iis_rewrite_base . '{R:1}" />
447                </rule>
448                <rule name="WordPress Rule 5" stopProcessing="true">
449                    <match url="^' . $iis_subdir_match . '([_0-9a-zA-Z-]+/)?(.*\.php)$" ignoreCase="false" />
450                    <action type="Rewrite" url="' . $iis_rewrite_base . '{R:2}" />
451                </rule>
452                <rule name="WordPress Rule 6" stopProcessing="true">
453                    <match url="." ignoreCase="false" />
454                    <action type="Rewrite" url="index.php" />
455                </rule>
456            </rules>
457        </rewrite>
458    </system.webServer>
459</configuration>';
460
461	?>
462		<li><p><?php printf( __( 'Add the following to your <code>web.config</code> file in <code>%s</code>, replacing other WordPress rules:' ), $home_path ); ?></p>
463		<?php
464		if ( ! $subdomain_install && WP_CONTENT_DIR != ABSPATH . 'wp-content' )
465			echo '<p><strong>' . __('Warning:') . ' ' . __( 'Subdirectory networks may not be fully compatible with custom wp-content directories.' ) . '</strong></p>';
466		?>
467		<textarea class="code" readonly="readonly" cols="100" rows="20"><?php echo esc_textarea( $web_config_file ); ?>
468		</textarea></li>
469		</ol>
470
471	<?php else : // end iis7_supports_permalinks(). construct an htaccess file instead:
472
473		$ms_files_rewriting = '';
474		if ( is_multisite() && get_site_option( 'ms_files_rewriting' ) ) {
475			$ms_files_rewriting = "\n# uploaded files\nRewriteRule ^";
476			$ms_files_rewriting .= $subdir_match . "files/(.+) {$rewrite_base}wp-includes/ms-files.php?file={$subdir_replacement_12} [L]" . "\n";
477		}
478
479		$htaccess_file = <<<EOF
480RewriteEngine On
481RewriteBase {$base}
482RewriteRule ^index\.php$ - [L]
483{$ms_files_rewriting}
484# add a trailing slash to /wp-admin
485RewriteRule ^{$subdir_match}wp-admin$ {$subdir_replacement_01}wp-admin/ [R=301,L]
486
487RewriteCond %{REQUEST_FILENAME} -f [OR]
488RewriteCond %{REQUEST_FILENAME} -d
489RewriteRule ^ - [L]
490RewriteRule ^{$subdir_match}(wp-(content|admin|includes).*) {$rewrite_base}{$subdir_replacement_12} [L]
491RewriteRule ^{$subdir_match}(.*\.php)$ {$rewrite_base}$subdir_replacement_12 [L]
492RewriteRule . index.php [L]
493EOF;
494
495		?>
496		<li><p><?php printf( __( 'Add the following to your <code>.htaccess</code> file in <code>%s</code>, replacing other WordPress rules:' ), $home_path ); ?></p>
497		<?php
498		if ( ! $subdomain_install && WP_CONTENT_DIR != ABSPATH . 'wp-content' )
499			echo '<p><strong>' . __('Warning:') . ' ' . __( 'Subdirectory networks may not be fully compatible with custom wp-content directories.' ) . '</strong></p>';
500		?>
501		<textarea class="code" readonly="readonly" cols="100" rows="<?php echo substr_count( $htaccess_file, "\n" ) + 1; ?>">
502<?php echo esc_textarea( $htaccess_file ); ?></textarea></li>
503		</ol>
504
505	<?php endif; // end IIS/Apache code branches.
506
507	if ( !is_multisite() ) { ?>
508		<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>
509<?php
510	}
511}
512
513if ( $_POST ) {
514
515	check_admin_referer( 'install-network-1' );
516
517	require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
518	// create network tables
519	install_network();
520	$base              = parse_url( trailingslashit( get_option( 'home' ) ), PHP_URL_PATH );
521	$subdomain_install = allow_subdomain_install() ? !empty( $_POST['subdomain_install'] ) : false;
522	if ( ! network_domain_check() ) {
523		$result = populate_network( 1, get_clean_basedomain(), sanitize_email( $_POST['email'] ), stripslashes( $_POST['sitename'] ), $base, $subdomain_install );
524		if ( is_wp_error( $result ) ) {
525			if ( 1 == count( $result->get_error_codes() ) && 'no_wildcard_dns' == $result->get_error_code() )
526				network_step2( $result );
527			else
528				network_step1( $result );
529		} else {
530			network_step2();
531		}
532	} else {
533		network_step2();
534	}
535} elseif ( is_multisite() || network_domain_check() ) {
536	network_step2();
537} else {
538	network_step1();
539}
540?>
541</div>
542
543<?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>