wp-admin/install.php

   1 <?php
   2 /**
   3  * WordPress Installer
   4  *
   5  * @package WordPress
   6  * @subpackage Administration
   7  */
   8
   9 // Sanity check.
  10 if ( false ) {
  11 ?>
  12 <!DOCTYPE html>
  13 <html xmlns="http://www.w3.org/1999/xhtml">
  14 <head>
  15         <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  16         <title>Error: PHP is not running</title>
  17 </head>
  18 <body class="wp-core-ui">
  19         <h1 id="logo"><a href="https://wordpress.org/">WordPress</a></h1>
  20         <h2>Error: PHP is not running</h2>
  21         <p>WordPress requires that your web server is running PHP. Your server does not have PHP installed, or PHP is turned off.</p>
  22 </body>
  23 </html>
  24 <?php
  25 }
  26
  27 /**
  28  * We are installing WordPress.
  29  *
  30  * @since 1.5.1
  31  * @var bool
  32  */
  33 define( 'WP_INSTALLING', true );
  34
  35 /** Load WordPress Bootstrap */
  36 require_once( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
  37
  38 /** Load WordPress Administration Upgrade API */
  39 require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
  40
  41 /** Load WordPress Translation Install API */
  42 require_once( ABSPATH . 'wp-admin/includes/translation-install.php' );
  43
  44 /** Load wpdb */
  45 require_once( ABSPATH . WPINC . '/wp-db.php' );
  46
  47 nocache_headers();
  48
  49 $step = isset( $_GET['step'] ) ? (int) $_GET['step'] : 0;
  50
  51 /**
  52  * Display install header.
  53  *
  54  * @since 2.5.0
  55  *
  56  * @param string $body_classes
  57  */
  58 function display_header( $body_classes = '' ) {
  59         header( 'Content-Type: text/html; charset=utf-8' );
  60         if ( is_rtl() ) {
  61                 $body_classes .= 'rtl';
  62         }
  63         if ( $body_classes ) {
  64                 $body_classes = ' ' . $body_classes;
  65         }
  66 ?>
  67 <!DOCTYPE html>
  68 <html xmlns="http://www.w3.org/1999/xhtml" <?php language_attributes(); ?>>
  69 <head>
  70         <meta name="viewport" content="width=device-width" />
  71         <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  72         <title><?php _e( 'WordPress &rsaquo; Installation' ); ?></title>
  73         <?php
  74                 wp_admin_css( 'install', true );
  75                 wp_admin_css( 'dashicons', true );
  76         ?>
  77 </head>
  78 <body class="wp-core-ui<?php echo $body_classes ?>">
  79 <h1 id="logo"><a href="<?php echo esc_url( __( 'https://wordpress.org/' ) ); ?>" tabindex="-1"><?php _e( 'WordPress' ); ?></a></h1>
  80
  81 <?php
  82 } // end display_header()
  83
  84 /**
  85  * Display installer setup form.
  86  *
  87  * @since 2.8.0
  88  *
  89  * @param string|null $error
  90  */
  91 function display_setup_form( $error = null ) {
  92         global $wpdb;
  93
  94         $sql = $wpdb->prepare( "SHOW TABLES LIKE %s", $wpdb->esc_like( $wpdb->users ) );
  95         $user_table = ( $wpdb->get_var( $sql ) != null );
  96
  97         // Ensure that Blogs appear in search engines by default.
  98         $blog_public = 1;
  99         if ( isset( $_POST['weblog_title'] ) ) {
 100                 $blog_public = isset( $_POST['blog_public'] );
 101         }
 102
 103         $weblog_title = isset( $_POST['weblog_title'] ) ? trim( wp_unslash( $_POST['weblog_title'] ) ) : '';
 104         $user_name = isset($_POST['user_name']) ? trim( wp_unslash( $_POST['user_name'] ) ) : '';
 105         $admin_email  = isset( $_POST['admin_email']  ) ? trim( wp_unslash( $_POST['admin_email'] ) ) : '';
 106
 107         if ( ! is_null( $error ) ) {
 108 ?>
 109 <p class="message"><?php echo $error; ?></p>
 110 <?php } ?>
 111 <form id="setup" method="post" action="install.php?step=2" novalidate="novalidate">
 112         <table class="form-table">
 113                 <tr>
 114                         <th scope="row"><label for="weblog_title"><?php _e( 'Site Title' ); ?></label></th>
 115                         <td><input name="weblog_title" type="text" id="weblog_title" size="25" value="<?php echo esc_attr( $weblog_title ); ?>" /></td>
 116                 </tr>
 117                 <tr>
 118                         <th scope="row"><label for="user_login"><?php _e('Username'); ?></label></th>
 119                         <td>
 120                         <?php
 121                         if ( $user_table ) {
 122                                 _e('User(s) already exists.');
 123                                 echo '<input name="user_name" type="hidden" value="admin" />';
 124                         } else {
 125                                 ?><input name="user_name" type="text" id="user_login" size="25" value="<?php echo esc_attr( sanitize_user( $user_name, true ) ); ?>" />
 126                                 <p><?php _e( 'Usernames can have only alphanumeric characters, spaces, underscores, hyphens, periods, and the @ symbol.' ); ?></p>
 127                         <?php
 128                         } ?>
 129                         </td>
 130                 </tr>
 131                 <?php if ( ! $user_table ) : ?>
 132                 <tr class="form-field form-required user-pass1-wrap">
 133                         <th scope="row">
 134                                 <label for="pass1">
 135                                         <?php _e( 'Password' ); ?>
 136                                 </label>
 137                         </th>
 138                         <td>
 139                                 <div class="">
 140                                         <?php $initial_password = isset( $_POST['admin_password'] ) ? stripslashes( $_POST['admin_password'] ) : wp_generate_password( 18 ); ?>
 141                                         <input type="password" name="admin_password" id="pass1" class="regular-text" autocomplete="off" data-reveal="1" data-pw="<?php echo esc_attr( $initial_password ); ?>" aria-describedby="pass-strength-result" />
 142                                         <button type="button" class="button button-secondary wp-hide-pw hide-if-no-js" data-start-masked="<?php echo (int) isset( $_POST['admin_password'] ); ?>" data-toggle="0" aria-label="<?php esc_attr_e( 'Hide password' ); ?>">
 143                                                 <span class="dashicons dashicons-hidden"></span>
 144                                                 <span class="text"><?php _e( 'Hide' ); ?></span>
 145                                         </button>
 146                                         <div id="pass-strength-result" aria-live="polite"></div>
 147                                 </div>
 148                                 <p><span class="description important hide-if-no-js">
 149                                 <strong><?php _e( 'Important:' ); ?></strong>
 150                                 <?php /* translators: The non-breaking space prevents 1Password from thinking the text "log in" should trigger a password save prompt. */ ?>
 151                                 <?php _e( 'You will need this password to log&nbsp;in. Please store it in a secure location.' ); ?></span></p>
 152                         </td>
 153                 </tr>
 154                 <tr class="form-field form-required user-pass2-wrap hide-if-js">
 155                         <th scope="row">
 156                                 <label for="pass2"><?php _e( 'Repeat Password' ); ?>
 157                                         <span class="description"><?php _e( '(required)' ); ?></span>
 158                                 </label>
 159                         </th>
 160                         <td>
 161                                 <input name="admin_password2" type="password" id="pass2" autocomplete="off" />
 162                         </td>
 163                 </tr>
 164                 <tr class="pw-weak">
 165                         <th scope="row"><?php _e( 'Confirm Password' ); ?></th>
 166                         <td>
 167                                 <label>
 168                                         <input type="checkbox" name="pw_weak" class="pw-checkbox" />
 169                                         <?php _e( 'Confirm use of weak password' ); ?>
 170                                 </label>
 171                         </td>
 172                 </tr>
 173                 <?php endif; ?>
 174                 <tr>
 175                         <th scope="row"><label for="admin_email"><?php _e( 'Your E-mail' ); ?></label></th>
 176                         <td><input name="admin_email" type="email" id="admin_email" size="25" value="<?php echo esc_attr( $admin_email ); ?>" />
 177                         <p><?php _e( 'Double-check your email address before continuing.' ); ?></p></td>
 178                 </tr>
 179                 <tr>
 180                         <th scope="row"><?php _e( 'Privacy' ); ?></th>
 181                         <td colspan="2"><label><input type="checkbox" name="blog_public" id="blog_public" value="1" <?php checked( $blog_public ); ?> /> <?php _e( 'Allow search engines to index this site' ); ?></label></td>
 182                 </tr>
 183         </table>
 184         <p class="step"><?php submit_button( __( 'Install WordPress' ), 'large', 'Submit', false, array( 'id' => 'submit' ) ); ?></p>
 185         <input type="hidden" name="language" value="<?php echo isset( $_REQUEST['language'] ) ? esc_attr( $_REQUEST['language'] ) : ''; ?>" />
 186 </form>
 187 <?php
 188 } // end display_setup_form()
 189
 190 // Let's check to make sure WP isn't already installed.
 191 if ( is_blog_installed() ) {
 192         display_header();
 193         die( '<h1>' . __( 'Already Installed' ) . '</h1><p>' . __( 'You appear to have already installed WordPress. To reinstall please clear your old database tables first.' ) . '</p><p class="step"><a href="../wp-login.php" class="button button-large">' . __( 'Log In' ) . '</a></p></body></html>' );
 194 }
 195
 196 /**
 197  * @global string $wp_version
 198  * @global string $required_php_version
 199  * @global string $required_mysql_version
 200  * @global wpdb   $wpdb
 201  */
 202 global $wp_version, $required_php_version, $required_mysql_version;
 203
 204 $php_version    = phpversion();
 205 $mysql_version  = $wpdb->db_version();
 206 $php_compat     = version_compare( $php_version, $required_php_version, '>=' );
 207 $mysql_compat   = version_compare( $mysql_version, $required_mysql_version, '>=' ) || file_exists( WP_CONTENT_DIR . '/db.php' );
 208
 209 if ( !$mysql_compat && !$php_compat )
 210         $compat = sprintf( __( 'You cannot install because <a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires PHP version %2$s or higher and MySQL version %3$s or higher. You are running PHP version %4$s and MySQL version %5$s.' ), $wp_version, $required_php_version, $required_mysql_version, $php_version, $mysql_version );
 211 elseif ( !$php_compat )
 212         $compat = sprintf( __( 'You cannot install because <a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires PHP version %2$s or higher. You are running version %3$s.' ), $wp_version, $required_php_version, $php_version );
 213 elseif ( !$mysql_compat )
 214         $compat = sprintf( __( 'You cannot install because <a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires MySQL version %2$s or higher. You are running version %3$s.' ), $wp_version, $required_mysql_version, $mysql_version );
 215
 216 if ( !$mysql_compat || !$php_compat ) {
 217         display_header();
 218         die( '<h1>' . __( 'Insufficient Requirements' ) . '</h1><p>' . $compat . '</p></body></html>' );
 219 }
 220
 221 if ( ! is_string( $wpdb->base_prefix ) || '' === $wpdb->base_prefix ) {
 222         display_header();
 223         die( '<h1>' . __( 'Configuration Error' ) . '</h1><p>' . __( 'Your <code>wp-config.php</code> file has an empty database table prefix, which is not supported.' ) . '</p></body></html>' );
 224 }
 225
 226 // Set error message if DO_NOT_UPGRADE_GLOBAL_TABLES isn't set as it will break install.
 227 if ( defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) {
 228         display_header();
 229         die( '<h1>' . __( 'Configuration Error' ) . '</h1><p>' . __( 'The constant DO_NOT_UPGRADE_GLOBAL_TABLES cannot be defined when installing WordPress.' ) . '</p></body></html>' );
 230 }
 231
 232 /**
 233  * @global string    $wp_local_package
 234  * @global WP_Locale $wp_locale
 235  */
 236 $language = '';
 237 if ( ! empty( $_REQUEST['language'] ) ) {
 238         $language = preg_replace( '/[^a-zA-Z_]/', '', $_REQUEST['language'] );
 239 } elseif ( isset( $GLOBALS['wp_local_package'] ) ) {
 240         $language = $GLOBALS['wp_local_package'];
 241 }
 242
 243 switch($step) {
 244         case 0: // Step 0
 245
 246                 if ( wp_can_install_language_pack() && empty( $language ) && ( $languages = wp_get_available_translations() ) ) {
 247                         display_header( 'language-chooser' );
 248                         echo '<form id="setup" method="post" action="?step=1">';
 249                         wp_install_language_form( $languages );
 250                         echo '</form>';
 251                         break;
 252                 }
 253
 254                 // Deliberately fall through if we can't reach the translations API.
 255
 256         case 1: // Step 1, direct link or from language chooser.
 257                 if ( ! empty( $language ) ) {
 258                         $loaded_language = wp_download_language_pack( $language );
 259                         if ( $loaded_language ) {
 260                                 load_default_textdomain( $loaded_language );
 261                                 $GLOBALS['wp_locale'] = new WP_Locale();
 262                         }
 263                 }
 264
 265                 display_header();
 266 ?>
 267 <h1><?php _ex( 'Welcome', 'Howdy' ); ?></h1>
 268 <p><?php _e( 'Welcome to the famous five-minute WordPress installation process! Just fill in the information below and you&#8217;ll be on your way to using the most extendable and powerful personal publishing platform in the world.' ); ?></p>
 269
 270 <h1><?php _e( 'Information needed' ); ?></h1>
 271 <p><?php _e( 'Please provide the following information. Don&#8217;t worry, you can always change these settings later.' ); ?></p>
 272
 273 <?php
 274                 display_setup_form();
 275                 break;
 276         case 2:
 277                 if ( ! empty( $language ) && load_default_textdomain( $language ) ) {
 278                         $loaded_language = $language;
 279                         $GLOBALS['wp_locale'] = new WP_Locale();
 280                 } else {
 281                         $loaded_language = 'en_US';
 282                 }
 283
 284                 if ( ! empty( $wpdb->error ) )
 285                         wp_die( $wpdb->error->get_error_message() );
 286
 287                 display_header();
 288                 // Fill in the data we gathered
 289                 $weblog_title = isset( $_POST['weblog_title'] ) ? trim( wp_unslash( $_POST['weblog_title'] ) ) : '';
 290                 $user_name = isset($_POST['user_name']) ? trim( wp_unslash( $_POST['user_name'] ) ) : '';
 291                 $admin_password = isset($_POST['admin_password']) ? wp_unslash( $_POST['admin_password'] ) : '';
 292                 $admin_password_check = isset($_POST['admin_password2']) ? wp_unslash( $_POST['admin_password2'] ) : '';
 293                 $admin_email  = isset( $_POST['admin_email'] ) ?trim( wp_unslash( $_POST['admin_email'] ) ) : '';
 294                 $public       = isset( $_POST['blog_public'] ) ? (int) $_POST['blog_public'] : 0;
 295
 296                 // Check e-mail address.
 297                 $error = false;
 298                 if ( empty( $user_name ) ) {
 299                         // TODO: poka-yoke
 300                         display_setup_form( __( 'Please provide a valid username.' ) );
 301                         $error = true;
 302                 } elseif ( $user_name != sanitize_user( $user_name, true ) ) {
 303                         display_setup_form( __( 'The username you provided has invalid characters.' ) );
 304                         $error = true;
 305                 } elseif ( $admin_password != $admin_password_check ) {
 306                         // TODO: poka-yoke
 307                         display_setup_form( __( 'Your passwords do not match. Please try again.' ) );
 308                         $error = true;
 309                 } elseif ( empty( $admin_email ) ) {
 310                         // TODO: poka-yoke
 311                         display_setup_form( __( 'You must provide an email address.' ) );
 312                         $error = true;
 313                 } elseif ( ! is_email( $admin_email ) ) {
 314                         // TODO: poka-yoke
 315                         display_setup_form( __( 'Sorry, that isn&#8217;t a valid email address. Email addresses look like <code>username@example.com</code>.' ) );
 316                         $error = true;
 317                 }
 318
 319                 if ( $error === false ) {
 320                         $wpdb->show_errors();
 321                         $result = wp_install( $weblog_title, $user_name, $admin_email, $public, '', wp_slash( $admin_password ), $loaded_language );
 322 ?>
 323
 324 <h1><?php _e( 'Success!' ); ?></h1>
 325
 326 <p><?php _e( 'WordPress has been installed. Were you expecting more steps? Sorry to disappoint.' ); ?></p>
 327
 328 <table class="form-table install-success">
 329         <tr>
 330                 <th><?php _e( 'Username' ); ?></th>
 331                 <td><?php echo esc_html( sanitize_user( $user_name, true ) ); ?></td>
 332         </tr>
 333         <tr>
 334                 <th><?php _e( 'Password' ); ?></th>
 335                 <td><?php
 336                 if ( ! empty( $result['password'] ) && empty( $admin_password_check ) ): ?>
 337                         <code><?php echo esc_html( $result['password'] ) ?></code><br />
 338                 <?php endif ?>
 339                         <p><?php echo $result['password_message'] ?></p>
 340                 </td>
 341         </tr>
 342 </table>
 343
 344 <p class="step"><a href="../wp-login.php" class="button button-large"><?php _e( 'Log In' ); ?></a></p>
 345
 346 <?php
 347                 }
 348                 break;
 349 }
 350 if ( !wp_is_mobile() ) {
 351 ?>
 352 <script type="text/javascript">var t = document.getElementById('weblog_title'); if (t){ t.focus(); }</script>
 353 <?php } ?>
 354 <?php wp_print_scripts( 'user-profile' ); ?>
 355 <?php wp_print_scripts( 'language-chooser' ); ?>
 356 <script type="text/javascript">
 357 jQuery( function( $ ) {
 358         $( '.hide-if-no-js' ).removeClass( 'hide-if-no-js' );
 359 } );
 360 </script>
 361 </body>
 362 </html>