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/wp-admin/ -> install.php (source)

   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="http://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( dirname( __FILE__ ) . '/includes/upgrade.php' );
  40  
  41  /** Load wpdb */
  42  require_once(dirname(dirname(__FILE__)) . '/wp-includes/wp-db.php');
  43  
  44  $step = isset( $_GET['step'] ) ? (int) $_GET['step'] : 0;
  45  
  46  /**
  47   * Display install header.
  48   *
  49   * @since 2.5.0
  50   * @package WordPress
  51   * @subpackage Installer
  52   */
  53  function display_header() {
  54      header( 'Content-Type: text/html; charset=utf-8' );
  55  ?>
  56  <!DOCTYPE html>
  57  <html xmlns="http://www.w3.org/1999/xhtml" <?php language_attributes(); ?>>
  58  <head>
  59      <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  60      <title><?php _e( 'WordPress &rsaquo; Installation' ); ?></title>
  61      <?php
  62      wp_admin_css( 'install', true );
  63      ?>
  64  </head>
  65  <body class="wp-core-ui<?php if ( is_rtl() ) echo ' rtl'; ?>">
  66  <h1 id="logo"><a href="<?php echo esc_url( __( 'http://wordpress.org/' ) ); ?>"><?php _e( 'WordPress' ); ?></a></h1>
  67  
  68  <?php
  69  } // end display_header()
  70  
  71  /**
  72   * Display installer setup form.
  73   *
  74   * @since 2.8.0
  75   * @package WordPress
  76   * @subpackage Installer
  77   */
  78  function display_setup_form( $error = null ) {
  79      global $wpdb;
  80      $user_table = ( $wpdb->get_var("SHOW TABLES LIKE '$wpdb->users'") != null );
  81  
  82      // Ensure that Blogs appear in search engines by default
  83      $blog_public = 1;
  84      if ( ! empty( $_POST ) )
  85          $blog_public = isset( $_POST['blog_public'] );
  86  
  87      $weblog_title = isset( $_POST['weblog_title'] ) ? trim( wp_unslash( $_POST['weblog_title'] ) ) : '';
  88      $user_name = isset($_POST['user_name']) ? trim( wp_unslash( $_POST['user_name'] ) ) : 'admin';
  89      $admin_password = isset($_POST['admin_password']) ? trim( wp_unslash( $_POST['admin_password'] ) ) : '';
  90      $admin_email  = isset( $_POST['admin_email']  ) ? trim( wp_unslash( $_POST['admin_email'] ) ) : '';
  91  
  92      if ( ! is_null( $error ) ) {
  93  ?>
  94  <p class="message"><?php printf( __( '<strong>ERROR</strong>: %s' ), $error ); ?></p>
  95  <?php } ?>
  96  <form id="setup" method="post" action="install.php?step=2">
  97      <table class="form-table">
  98          <tr>
  99              <th scope="row"><label for="weblog_title"><?php _e( 'Site Title' ); ?></label></th>
 100              <td><input name="weblog_title" type="text" id="weblog_title" size="25" value="<?php echo esc_attr( $weblog_title ); ?>" /></td>
 101          </tr>
 102          <tr>
 103              <th scope="row"><label for="user_name"><?php _e('Username'); ?></label></th>
 104              <td>
 105              <?php
 106              if ( $user_table ) {
 107                  _e('User(s) already exists.');
 108              } else {
 109                  ?><input name="user_name" type="text" id="user_login" size="25" value="<?php echo esc_attr( sanitize_user( $user_name, true ) ); ?>" />
 110                  <p><?php _e( 'Usernames can have only alphanumeric characters, spaces, underscores, hyphens, periods and the @ symbol.' ); ?></p>
 111              <?php
 112              } ?>
 113              </td>
 114          </tr>
 115          <?php if ( ! $user_table ) : ?>
 116          <tr>
 117              <th scope="row">
 118                  <label for="admin_password"><?php _e('Password, twice'); ?></label>
 119                  <p><?php _e('A password will be automatically generated for you if you leave this blank.'); ?></p>
 120              </th>
 121              <td>
 122                  <input name="admin_password" type="password" id="pass1" size="25" value="" />
 123                  <p><input name="admin_password2" type="password" id="pass2" size="25" value="" /></p>
 124                  <div id="pass-strength-result"><?php _e('Strength indicator'); ?></div>
 125                  <p><?php _e('Hint: The password should be at least seven characters long. To make it stronger, use upper and lower case letters, numbers and symbols like ! " ? $ % ^ &amp; ).'); ?></p>
 126              </td>
 127          </tr>
 128          <?php endif; ?>
 129          <tr>
 130              <th scope="row"><label for="admin_email"><?php _e( 'Your E-mail' ); ?></label></th>
 131              <td><input name="admin_email" type="text" id="admin_email" size="25" value="<?php echo esc_attr( $admin_email ); ?>" />
 132              <p><?php _e( 'Double-check your email address before continuing.' ); ?></p></td>
 133          </tr>
 134          <tr>
 135              <th scope="row"><label for="blog_public"><?php _e( 'Privacy' ); ?></label></th>
 136              <td colspan="2"><label><input type="checkbox" name="blog_public" value="1" <?php checked( $blog_public ); ?> /> <?php _e( 'Allow search engines to index this site.' ); ?></label></td>
 137          </tr>
 138      </table>
 139      <p class="step"><input type="submit" name="Submit" value="<?php esc_attr_e( 'Install WordPress' ); ?>" class="button button-large" /></p>
 140  </form>
 141  <?php
 142  } // end display_setup_form()
 143  
 144  // Let's check to make sure WP isn't already installed.
 145  if ( is_blog_installed() ) {
 146      display_header();
 147      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>' );
 148  }
 149  
 150  $php_version    = phpversion();
 151  $mysql_version  = $wpdb->db_version();
 152  $php_compat     = version_compare( $php_version, $required_php_version, '>=' );
 153  $mysql_compat   = version_compare( $mysql_version, $required_mysql_version, '>=' ) || file_exists( WP_CONTENT_DIR . '/db.php' );
 154  
 155  if ( !$mysql_compat && !$php_compat )
 156      $compat = sprintf( __( 'You cannot install because <a href="http://codex.wordpress.org/Version_%1$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, $mysql_version );
 157  elseif ( !$php_compat )
 158      $compat = sprintf( __( 'You cannot install because <a href="http://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires PHP version %2$s or higher. You are running version %3$s.' ), $wp_version, $required_php_version, $php_version );
 159  elseif ( !$mysql_compat )
 160      $compat = sprintf( __( 'You cannot install because <a href="http://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires MySQL version %2$s or higher. You are running version %3$s.' ), $wp_version, $required_mysql_version, $mysql_version );
 161  
 162  if ( !$mysql_compat || !$php_compat ) {
 163      display_header();
 164      die( '<h1>' . __( 'Insufficient Requirements' ) . '</h1><p>' . $compat . '</p></body></html>' );
 165  }
 166  
 167  if ( ! is_string( $wpdb->base_prefix ) || '' === $wpdb->base_prefix ) {
 168      display_header();
 169      die( '<h1>' . __( 'Configuration Error' ) . '</h1><p>' . __( 'Your <code>wp-config.php</code> file has an empty database table prefix, which is not supported.' ) . '</p></body></html>' );
 170  }
 171  
 172  switch($step) {
 173      case 0: // Step 1
 174      case 1: // Step 1, direct link.
 175        display_header();
 176  ?>
 177  <h1><?php _ex( 'Welcome', 'Howdy' ); ?></h1>
 178  <p><?php printf( __( 'Welcome to the famous five minute WordPress installation process! You may want to browse the <a href="%s">ReadMe documentation</a> at your leisure. Otherwise, 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.' ), '../readme.html' ); ?></p>
 179  
 180  <h1><?php _e( 'Information needed' ); ?></h1>
 181  <p><?php _e( 'Please provide the following information. Don&#8217;t worry, you can always change these settings later.' ); ?></p>
 182  
 183  <?php
 184          display_setup_form();
 185          break;
 186      case 2:
 187          if ( ! empty( $wpdb->error ) )
 188              wp_die( $wpdb->error->get_error_message() );
 189  
 190          display_header();
 191          // Fill in the data we gathered
 192          $weblog_title = isset( $_POST['weblog_title'] ) ? trim( wp_unslash( $_POST['weblog_title'] ) ) : '';
 193          $user_name = isset($_POST['user_name']) ? trim( wp_unslash( $_POST['user_name'] ) ) : 'admin';
 194          $admin_password = isset($_POST['admin_password']) ? wp_unslash( $_POST['admin_password'] ) : '';
 195          $admin_password_check = isset($_POST['admin_password2']) ? wp_unslash( $_POST['admin_password2'] ) : '';
 196          $admin_email  = isset( $_POST['admin_email']  ) ?trim( wp_unslash( $_POST['admin_email'] ) ) : '';
 197          $public       = isset( $_POST['blog_public']  ) ? (int) $_POST['blog_public'] : 0;
 198          // check e-mail address
 199          $error = false;
 200          if ( empty( $user_name ) ) {
 201              // TODO: poka-yoke
 202              display_setup_form( __('you must provide a valid username.') );
 203              $error = true;
 204          } elseif ( $user_name != sanitize_user( $user_name, true ) ) {
 205              display_setup_form( __('the username you provided has invalid characters.') );
 206              $error = true;
 207          } elseif ( $admin_password != $admin_password_check ) {
 208              // TODO: poka-yoke
 209              display_setup_form( __( 'your passwords do not match. Please try again' ) );
 210              $error = true;
 211          } else if ( empty( $admin_email ) ) {
 212              // TODO: poka-yoke
 213              display_setup_form( __( 'you must provide an e-mail address.' ) );
 214              $error = true;
 215          } elseif ( ! is_email( $admin_email ) ) {
 216              // TODO: poka-yoke
 217              display_setup_form( __( 'that isn&#8217;t a valid e-mail address. E-mail addresses look like: <code>username@example.com</code>' ) );
 218              $error = true;
 219          }
 220  
 221          if ( $error === false ) {
 222              $wpdb->show_errors();
 223              $result = wp_install($weblog_title, $user_name, $admin_email, $public, '', $admin_password);
 224              extract( $result, EXTR_SKIP );
 225  ?>
 226  
 227  <h1><?php _e( 'Success!' ); ?></h1>
 228  
 229  <p><?php _e( 'WordPress has been installed. Were you expecting more steps? Sorry to disappoint.' ); ?></p>
 230  
 231  <table class="form-table install-success">
 232      <tr>
 233          <th><?php _e( 'Username' ); ?></th>
 234          <td><?php echo esc_html( sanitize_user( $user_name, true ) ); ?></td>
 235      </tr>
 236      <tr>
 237          <th><?php _e( 'Password' ); ?></th>
 238          <td><?php
 239          if ( ! empty( $password ) && empty($admin_password_check) )
 240              echo '<code>'. esc_html($password) .'</code><br />';
 241          echo "<p>$password_message</p>"; ?>
 242          </td>
 243      </tr>
 244  </table>
 245  
 246  <p class="step"><a href="../wp-login.php" class="button button-large"><?php _e( 'Log In' ); ?></a></p>
 247  
 248  <?php
 249          }
 250          break;
 251  }
 252  ?>
 253  <script type="text/javascript">var t = document.getElementById('weblog_title'); if (t){ t.focus(); }</script>
 254  <?php wp_print_scripts( 'user-profile' ); ?>
 255  </body>
 256  </html>


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