File Content: network.php <?php /** * WordPress Network Administration API. * * @package WordPress * @subpackage Administration * @since 4.4.0 */ /** * Check for an existing network. * * @since 3.0.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @return Whether a network exists. */ function network_domain_check() { global $wpdb; $sql = $wpdb->prepare( "SHOW TABLES LIKE %s", $wpdb->esc_like( $wpdb->site ) ); if ( $wpdb->get_var( $sql ) ) { return $wpdb->get_var( "SELECT domain FROM $wpdb->site ORDER BY id ASC LIMIT 1" ); } return false; } /** * Allow subdomain installation * * @since 3.0.0 * @return bool Whether subdomain installation is allowed */ function allow_subdomain_install() { $domain = preg_replace( '|https?://([^/]+)|', '$1', get_option( 'home' ) ); if ( parse_url( get_option( 'home' ), PHP_URL_PATH ) || 'localhost' == $domain || preg_match( '|^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$|', $domain ) ) return false; return true; } /** * Allow subdirectory installation. * * @since 3.0.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @return bool Whether subdirectory installation is allowed */ function allow_subdirectory_install() { global $wpdb; /** * Filters whether to enable the subdirectory installation feature in Multisite. * * @since 3.0.0 * * @param bool $allow Whether to enable the subdirectory installation feature in Multisite. Default is false. */ if ( apply_filters( 'allow_subdirectory_install', false ) ) return true; if ( defined( 'ALLOW_SUBDIRECTORY_INSTALL' ) && ALLOW_SUBDIRECTORY_INSTALL ) return true; $post = $wpdb->get_row( "SELECT ID FROM $wpdb->posts WHERE post_date < DATE_SUB(NOW(), INTERVAL 1 MONTH) AND post_status = 'publish'" ); if ( empty( $post ) ) return true; return false; } /** * Get base domain of network. * * @since 3.0.0 * @return string Base domain. */ function get_clean_basedomain() { if ( $existing_domain = network_domain_check() ) return $existing_domain; $domain = preg_replace( '|https?://|', '', get_option( 'siteurl' ) ); if ( $slash = strpos( $domain, '/' ) ) $domain = substr( $domain, 0, $slash ); return $domain; } /** * 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." See also contextual help todo. * * @since 3.0.0 * * @global bool $is_apache * * @param WP_Error $errors */ function network_step1( $errors = false ) { global $is_apache; if ( defined('DO_NOT_UPGRADE_GLOBAL_TABLES') ) { echo '<div class="error"><p><strong>' . __( 'ERROR:' ) . '</strong> ' . sprintf( /* translators: %s: DO_NOT_UPGRADE_GLOBAL_TABLES */ __( 'The constant %s cannot be defined when creating a network.' ), '<code>DO_NOT_UPGRADE_GLOBAL_TABLES</code>' ) . '</p></div>'; echo '</div>'; include( ABSPATH . 'wp-admin/admin-footer.php' ); die(); } $active_plugins = get_option( 'active_plugins' ); if ( ! empty( $active_plugins ) ) { echo '<div class="updated"><p><strong>' . __( 'Warning:' ) . '</strong> ' . sprintf( /* translators: %s: Plugins screen URL */ __( 'Please <a href="%s">deactivate your plugins</a> before enabling the Network feature.' ), admin_url( 'plugins.php?plugin_status=active' ) ) . '</p></div>'; echo '<p>' . __( 'Once the network is created, you may reactivate your plugins.' ) . '</p>'; echo '</div>'; include( ABSPATH . 'wp-admin/admin-footer.php' ); die(); } $hostname = get_clean_basedomain(); $has_ports = strstr( $hostname, ':' ); if ( ( false !== $has_ports && ! in_array( $has_ports, array( ':80', ':443' ) ) ) ) { echo '<div class="error"><p><strong>' . __( 'ERROR:' ) . '</strong> ' . __( 'You cannot install a network of sites with your server address.' ) . '</p></div>'; echo '<p>' . sprintf( /* translators: %s: port number */ __( 'You cannot use port numbers such as %s.' ), '<code>' . $has_ports . '</code>' ) . '</p>'; echo '<a href="' . esc_url( admin_url() ) . '">' . __( 'Return to Dashboard' ) . '</a>'; echo '</div>'; include( ABSPATH . 'wp-admin/admin-footer.php' ); die(); } echo '<form method="post">'; wp_nonce_field( 'install-network-1' ); $error_codes = array(); if ( is_wp_error( $errors ) ) { echo '<div class="error"><p><strong>' . __( 'ERROR: The network could not be created.' ) . '</strong></p>'; foreach ( $errors->get_error_messages() as $error ) echo "<p>$error</p>"; echo '</div>'; $error_codes = $errors->get_error_codes(); } if ( ! empty( $_POST['sitename'] ) && ! in_array( 'empty_sitename', $error_codes ) ) { $site_name = $_POST['sitename']; } else { /* translators: %s: Default network name */ $site_name = sprintf( __( '%s Sites' ), get_option( 'blogname' ) ); } if ( ! empty( $_POST['email'] ) && ! in_array( 'invalid_email', $error_codes ) ) { $admin_email = $_POST['email']; } else { $admin_email = get_option( 'admin_email' ); } ?> <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 will create configuration files in the next step.' ); ?></p> <?php if ( isset( $_POST['subdomain_install'] ) ) { $subdomain_install = (bool) $_POST['subdomain_install']; } elseif ( apache_mod_loaded('mod_rewrite') ) { // assume nothing $subdomain_install = true; } elseif ( !allow_subdirectory_install() ) { $subdomain_install = true; } else { $subdomain_install = false; if ( $got_mod_rewrite = got_mod_rewrite() ) { // dangerous assumptions echo '<div class="updated inline"><p><strong>' . __( 'Note:' ) . '</strong> '; /* translators: %s: mod_rewrite */ printf( __( 'Please make sure the Apache %s module is installed as it will be used at the end of this installation.' ), '<code>mod_rewrite</code>' ); echo '</p>'; } elseif ( $is_apache ) { echo '<div class="error inline"><p><strong>' . __( 'Warning:' ) . '</strong> '; /* translators: %s: mod_rewrite */ printf( __( 'It looks like the Apache %s module is not installed.' ), '<code>mod_rewrite</code>' ); echo '</p>'; } if ( $got_mod_rewrite || $is_apache ) { // Protect against mod_rewrite mimicry (but ! Apache) echo '<p>'; /* translators: 1: mod_rewrite, 2: mod_rewrite documentation URL, 3: Google search for mod_rewrite */ printf( __( 'If %1$s is disabled, ask your administrator to enable that module, or look at the <a href="%2$s">Apache documentation</a> or <a href="%3$s">elsewhere</a> for help setting it up.' ), '<code>mod_rewrite</code>', 'https://httpd.apache.org/docs/mod/mod_rewrite.html', 'https://www.google.com/search?q=apache+mod_rewrite' ); echo '</p></div>'; } } if ( allow_subdomain_install() && allow_subdirectory_install() ) : ?> <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><?php _e( 'You cannot change this later.' ); ?></strong></p> <p><?php _e( 'You will need a wildcard DNS record if you are going to use the virtual host (sub-domain) functionality.' ); ?></p> <?php // @todo: Link to an MS readme? ?> <table class="form-table"> <tr> <th><label><input type="radio" name="subdomain_install" value="1"<?php checked( $subdomain_install ); ?> /> <?php _e( 'Sub-domains' ); ?></label></th> <td><?php printf( /* translators: 1: hostname */ _x( 'like <code>site1.%1$s</code> and <code>site2.%1$s</code>', 'subdomain examples' ), $hostname ); ?></td> </tr> <tr> <th><label><input type="radio" name="subdomain_install" value="0"<?php checked( ! $subdomain_install ); ?> /> <?php _e( 'Sub-directories' ); ?></label></th> <td><?php printf( /* translators: 1: hostname */ _x( 'like <code>%1$s/site1</code> and <code>%1$s/site2</code>', 'subdirectory examples' ), $hostname ); ?></td> </tr> </table> <?php endif; if ( WP_CONTENT_DIR != ABSPATH . 'wp-content' && ( allow_subdirectory_install() || ! allow_subdomain_install() ) ) echo '<div class="error inline"><p><strong>' . __( 'Warning:' ) . '</strong> ' . __( 'Subdirectory networks may not be fully compatible with custom wp-content directories.' ) . '</p></div>'; $is_www = ( 0 === strpos( $hostname, 'www.' ) ); if ( $is_www ) : ?> <h3><?php esc_html_e( 'Server Address' ); ?></h3> <p><?php printf( /* translators: 1: site url 2: host name 3. www */ __( 'We recommend you change your siteurl to %1$s before enabling the network feature. It will still be possible to visit your site using the %3$s prefix with an address like %2$s but any links will not have the %3$s prefix.' ), '<code>' . substr( $hostname, 4 ) . '</code>', '<code>' . $hostname . '</code>', '<code>www</code>' ); ?></p> <table class="form-table"> <tr> <th scope='row'><?php esc_html_e( 'Server Address' ); ?></th> <td> <?php printf( /* translators: %s: host name */ __( 'The internet address of your network will be %s.' ), '<code>' . $hostname . '</code>' ); ?> </td> </tr> </table> <?php endif; ?> <h3><?php esc_html_e( 'Network Details' ); ?></h3> <table class="form-table"> <?php if ( 'localhost' == $hostname ) : ?> <tr> <th scope="row"><?php esc_html_e( 'Sub-directory Installation' ); ?></th> <td><?php printf( /* translators: 1: localhost 2: localhost.localdomain */ __( 'Because you are using %1$s, the sites in your WordPress network must use sub-directories. Consider using %2$s if you wish to use sub-domains.' ), '<code>localhost</code>', '<code>localhost.localdomain</code>' ); // Uh oh: if ( !allow_subdirectory_install() ) echo ' <strong>' . __( 'Warning:' ) . ' ' . __( 'The main site in a sub-directory installation will need to use a modified permalink structure, potentially breaking existing links.' ) . '</strong>'; ?></td> </tr> <?php elseif ( !allow_subdomain_install() ) : ?> <tr> <th scope="row"><?php esc_html_e( 'Sub-directory Installation' ); ?></th> <td><?php _e( 'Because your installation is in a directory, the sites in your WordPress network must use sub-directories.' ); // Uh oh: if ( !allow_subdirectory_install() ) echo ' <strong>' . __( 'Warning:' ) . ' ' . __( 'The main site in a sub-directory installation will need to use a modified permalink structure, potentially breaking existing links.' ) . '</strong>'; ?></td> </tr> <?php elseif ( !allow_subdirectory_install() ) : ?> <tr> <th scope="row"><?php esc_html_e( 'Sub-domain Installation' ); ?></th> <td><?php _e( 'Because your installation is not new, the sites in your WordPress network must use sub-domains.' ); echo ' <strong>' . __( 'The main site in a sub-directory installation will need to use a modified permalink structure, potentially breaking existing links.' ) . '</strong>'; ?></td> </tr> <?php endif; ?> <?php if ( ! $is_www ) : ?> <tr> <th scope='row'><?php esc_html_e( 'Server Address' ); ?></th> <td> <?php printf( /* translators: %s: host name */ __( 'The internet address of your network will be %s.' ), '<code>' . $hostname . '</code>' ); ?> </td> </tr> <?php endif; ?> <tr> <th scope='row'><?php esc_html_e( 'Network Title' ); ?></th> <td> <input name='sitename' type='text' size='45' value='<?php echo esc_attr( $site_name ); ?>' /> <p class="description"> <?php _e( 'What would you like to call your network?' ); ?> </p> </td> </tr> <tr> <th scope='row'><?php esc_html_e( 'Network Admin Email' ); ?></th> <td> <input name='email' type='text' size='45' value='<?php echo esc_attr( $admin_email ); ?>' /> <p class="description"> <?php _e( 'Your email address.' ); ?> </p> </td> </tr> </table> <?php submit_button( __( 'Install' ), 'primary', 'submit' ); ?> </form> <?php } /** * Prints step 2 for Network installation process. * * @since 3.0.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param WP_Error $errors */ function network_step2( $errors = false ) { global $wpdb; $hostname = get_clean_basedomain(); $slashed_home = trailingslashit( get_option( 'home' ) ); $base = parse_url( $slashed_home, PHP_URL_PATH ); $document_root_fix = str_replace( '\\', '/', realpath( $_SERVER['DOCUMENT_ROOT'] ) ); $abspath_fix = str_replace( '\\', '/', ABSPATH ); $home_path = 0 === strpos( $abspath_fix, $document_root_fix ) ? $document_root_fix . $base : get_home_path(); $wp_siteurl_subdir = preg_replace( '#^' . preg_quote( $home_path, '#' ) . '#', '', $abspath_fix ); $rewrite_base = ! empty( $wp_siteurl_subdir ) ? ltrim( trailingslashit( $wp_siteurl_subdir ), '/' ) : ''; $location_of_wp_config = $abspath_fix; if ( ! file_exists( ABSPATH . 'wp-config.php' ) && file_exists( dirname( ABSPATH ) . '/wp-config.php' ) ) { $location_of_wp_config = dirname( $abspath_fix ); } $location_of_wp_config = trailingslashit( $location_of_wp_config ); // Wildcard DNS message. if ( is_wp_error( $errors ) ) echo '<div class="error">' . $errors->get_error_message() . '</div>'; if ( $_POST ) { if ( allow_subdomain_install() ) $subdomain_install = allow_subdirectory_install() ? ! empty( $_POST['subdomain_install'] ) : true; else $subdomain_install = false; } else { if ( is_multisite() ) { $subdomain_install = is_subdomain_install(); ?> <p><?php _e( 'The original configuration steps are shown here for reference.' ); ?></p> <?php } else { $subdomain_install = (bool) $wpdb->get_var( "SELECT meta_value FROM $wpdb->sitemeta WHERE site_id = 1 AND meta_key = 'subdomain_install'" ); ?> <div class="error"><p><strong><?php _e( 'Warning:' ); ?></strong> <?php _e( 'An existing WordPress network was detected.' ); ?></p></div> <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> <?php } } $subdir_match = $subdomain_install ? '' : '([_0-9a-zA-Z-]+/)?'; $subdir_replacement_01 = $subdomain_install ? '' : '$1'; $subdir_replacement_12 = $subdomain_install ? '$1' : '$2'; if ( $_POST || ! is_multisite() ) { ?> <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.' ); ?></p> <div class="updated inline"><p><?php if ( file_exists( $home_path . '.htaccess' ) ) { echo '<strong>' . __( 'Caution:' ) . '</strong> '; printf( /* translators: 1: wp-config.php 2: .htaccess */ __( 'We recommend you back up your existing %1$s and %2$s files.' ), '<code>wp-config.php</code>', '<code>.htaccess</code>' ); } elseif ( file_exists( $home_path . 'web.config' ) ) { echo '<strong>' . __( 'Caution:' ) . '</strong> '; printf( /* translators: 1: wp-config.php 2: web.config */ __( 'We recommend you back up your existing %1$s and %2$s files.' ), '<code>wp-config.php</code>', '<code>web.config</code>' ); } else { echo '<strong>' . __( 'Caution:' ) . '</strong> '; printf( /* translators: 1: wp-config.php */ __( 'We recommend you back up your existing %s file.' ), '<code>wp-config.php</code>' ); } ?></p></div> <?php } ?> <ol> <li><p><?php printf( /* translators: 1: wp-config.php 2: location of wp-config file, 3: translated version of "That's all, stop editing! Happy blogging." */ __( 'Add the following to your %1$s file in %2$s <strong>above</strong> the line reading %3$s:' ), '<code>wp-config.php</code>', '<code>' . $location_of_wp_config . '</code>', /* * translators: This string should only be translated if wp-config-sample.php is localized. * You can check the localized release package or * https://i18n.svn.wordpress.org/<locale code>/branches/<wp version>/dist/wp-config-sample.php */ '<code>/* ' . __( 'That&#8217;s all, stop editing! Happy blogging.' ) . ' */</code>' ); ?></p> <textarea class="code" readonly="readonly" cols="100" rows="7"> define('MULTISITE', true); define('SUBDOMAIN_INSTALL', <?php echo $subdomain_install ? 'true' : 'false'; ?>); define('DOMAIN_CURRENT_SITE', '<?php echo $hostname; ?>'); define('PATH_CURRENT_SITE', '<?php echo $base; ?>'); define('SITE_ID_CURRENT_SITE', 1); define('BLOG_ID_CURRENT_SITE', 1); </textarea> <?php $keys_salts = array( 'AUTH_KEY' => '', 'SECURE_AUTH_KEY' => '', 'LOGGED_IN_KEY' => '', 'NONCE_KEY' => '', 'AUTH_SALT' => '', 'SECURE_AUTH_SALT' => '', 'LOGGED_IN_SALT' => '', 'NONCE_SALT' => '' ); foreach ( $keys_salts as $c => $v ) { if ( defined( $c ) ) unset( $keys_salts[ $c ] ); } if ( ! empty( $keys_salts ) ) { $keys_salts_str = ''; $from_api = wp_remote_get( 'https://api.wordpress.org/secret-key/1.1/salt/' ); if ( is_wp_error( $from_api ) ) { foreach ( $keys_salts as $c => $v ) { $keys_salts_str .= "\ndefine( '$c', '" . wp_generate_password( 64, true, true ) . "' );"; } } else { $from_api = explode( "\n", wp_remote_retrieve_body( $from_api ) ); foreach ( $keys_salts as $c => $v ) { $keys_salts_str .= "\ndefine( '$c', '" . substr( array_shift( $from_api ), 28, 64 ) . "' );"; } } $num_keys_salts = count( $keys_salts ); ?> <p> <?php if ( 1 == $num_keys_salts ) { printf( /* translators: 1: wp-config.php */ __( 'This unique authentication key is also missing from your %s file.' ), '<code>wp-config.php</code>' ); } else { printf( /* translators: 1: wp-config.php */ __( 'These unique authentication keys are also missing from your %s file.' ), '<code>wp-config.php</code>' ); } ?> <?php _e( 'To make your installation more secure, you should also add:' ); ?> </p> <textarea class="code" readonly="readonly" cols="100" rows="<?php echo $num_keys_salts; ?>"><?php echo esc_textarea( $keys_salts_str ); ?></textarea> <?php } ?> </li> <?php if ( iis7_supports_permalinks() ) : // IIS doesn't support RewriteBase, all your RewriteBase are belong to us $iis_subdir_match = ltrim( $base, '/' ) . $subdir_match; $iis_rewrite_base = ltrim( $base, '/' ) . $rewrite_base; $iis_subdir_replacement = $subdomain_install ? '' : '{R:1}'; $web_config_file = '<?xml version="1.0" encoding="UTF-8"?> <configuration> <system.webServer> <rewrite> <rules> <rule name="WordPress Rule 1" stopProcessing="true"> <match url="^index\.php$" ignoreCase="false" /> <action type="None" /> </rule>'; if ( is_multisite() && get_site_option( 'ms_files_rewriting' ) ) { $web_config_file .= ' <rule name="WordPress Rule for Files" stopProcessing="true"> <match url="^' . $iis_subdir_match . 'files/(.+)" ignoreCase="false" /> <action type="Rewrite" url="' . $iis_rewrite_base . WPINC . '/ms-files.php?file={R:1}" appendQueryString="false" /> </rule>'; } $web_config_file .= ' <rule name="WordPress Rule 2" stopProcessing="true"> <match url="^' . $iis_subdir_match . 'wp-admin$" ignoreCase="false" /> <action type="Redirect" url="' . $iis_subdir_replacement . 'wp-admin/" redirectType="Permanent" /> </rule> <rule name="WordPress Rule 3" stopProcessing="true"> <match url="^" ignoreCase="false" /> <conditions logicalGrouping="MatchAny"> <add input="{REQUEST_FILENAME}" matchType="IsFile" ignoreCase="false" /> <add input="{REQUEST_FILENAME}" matchType="IsDirectory" ignoreCase="false" /> </conditions> <action type="None" /> </rule> <rule name="WordPress Rule 4" stopProcessing="true"> <match url="^' . $iis_subdir_match . '(wp-(content|admin|includes).*)" ignoreCase="false" /> <action type="Rewrite" url="' . $iis_rewrite_base . '{R:1}" /> </rule> <rule name="WordPress Rule 5" stopProcessing="true"> <match url="^' . $iis_subdir_match . '([_0-9a-zA-Z-]+/)?(.*\.php)$" ignoreCase="false" /> <action type="Rewrite" url="' . $iis_rewrite_base . '{R:2}" /> </rule> <rule name="WordPress Rule 6" stopProcessing="true"> <match url="." ignoreCase="false" /> <action type="Rewrite" url="index.php" /> </rule> </rules> </rewrite> </system.webServer> </configuration> '; echo '<li><p>'; printf( /* translators: 1: a filename like .htaccess. 2: a file path. */ __( 'Add the following to your %1$s file in %2$s, <strong>replacing</strong> other WordPress rules:' ), '<code>web.config</code>', '<code>' . $home_path . '</code>' ); echo '</p>'; if ( ! $subdomain_install && WP_CONTENT_DIR != ABSPATH . 'wp-content' ) echo '<p><strong>' . __( 'Warning:' ) . ' ' . __( 'Subdirectory networks may not be fully compatible with custom wp-content directories.' ) . '</strong></p>'; ?> <textarea class="code" readonly="readonly" cols="100" rows="20"><?php echo esc_textarea( $web_config_file ); ?> </textarea></li> </ol> <?php else : // end iis7_supports_permalinks(). construct an htaccess file instead: $ms_files_rewriting = ''; if ( is_multisite() && get_site_option( 'ms_files_rewriting' ) ) { $ms_files_rewriting = "\n# uploaded files\nRewriteRule ^"; $ms_files_rewriting .= $subdir_match . "files/(.+) {$rewrite_base}" . WPINC . "/ms-files.php?file={$subdir_replacement_12} [L]" . "\n"; } $htaccess_file = <<<EOF RewriteEngine On RewriteBase {$base} RewriteRule ^index\.php$ - [L] {$ms_files_rewriting} # add a trailing slash to /wp-admin RewriteRule ^{$subdir_match}wp-admin$ {$subdir_replacement_01}wp-admin/ [R=301,L] RewriteCond %{REQUEST_FILENAME} -f [OR] RewriteCond %{REQUEST_FILENAME} -d RewriteRule ^ - [L] RewriteRule ^{$subdir_match}(wp-(content|admin|includes).*) {$rewrite_base}{$subdir_replacement_12} [L] RewriteRule ^{$subdir_match}(.*\.php)$ {$rewrite_base}$subdir_replacement_12 [L] RewriteRule . index.php [L] EOF; echo '<li><p>'; printf( /* translators: 1: a filename like .htaccess. 2: a file path. */ __( 'Add the following to your %1$s file in %2$s, <strong>replacing</strong> other WordPress rules:' ), '<code>.htaccess</code>', '<code>' . $home_path . '</code>' ); echo '</p>'; if ( ! $subdomain_install && WP_CONTENT_DIR != ABSPATH . 'wp-content' ) echo '<p><strong>' . __( 'Warning:' ) . ' ' . __( 'Subdirectory networks may not be fully compatible with custom wp-content directories.' ) . '</strong></p>'; ?> <textarea class="code" readonly="readonly" cols="100" rows="<?php echo substr_count( $htaccess_file, "\n" ) + 1; ?>"> <?php echo esc_textarea( $htaccess_file ); ?></textarea></li> </ol> <?php endif; // end IIS/Apache code branches. if ( !is_multisite() ) { ?> <p><?php _e( 'Once you complete these steps, your network is enabled and configured. You will have to log in again.' ); ?> <a href="<?php echo esc_url( wp_login_url() ); ?>"><?php _e( 'Log In' ); ?></a></p> <?php } } Submit