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/wp-admin/ -> setup-config.php (source)

   1  <?php
   2  /**
   3   * Retrieves and creates the wp-config.php file.
   4   *
   5   * The permissions for the base directory must allow for writing files in order
   6   * for the wp-config.php to be created using this page.
   7   *
   8   * @package WordPress
   9   * @subpackage Administration
  10   */
  11  
  12  /**
  13   * We are installing.
  14   *
  15   * @package WordPress
  16   */
  17  define('WP_INSTALLING', true);
  18  
  19  /**
  20   * We are blissfully unaware of anything.
  21   */
  22  define('WP_SETUP_CONFIG', true);
  23  
  24  /**
  25   * Disable error reporting
  26   *
  27   * Set this to error_reporting( E_ALL ) or error_reporting( E_ALL | E_STRICT ) for debugging
  28   */
  29  error_reporting(0);
  30  
  31  /**#@+
  32   * These three defines are required to allow us to use require_wp_db() to load
  33   * the database class while being wp-content/db.php aware.
  34   * @ignore
  35   */
  36  define('ABSPATH', dirname(dirname(__FILE__)).'/');
  37  define('WPINC', 'wp-includes');
  38  define('WP_CONTENT_DIR', ABSPATH . 'wp-content');
  39  define('WP_DEBUG', false);
  40  /**#@-*/
  41  
  42  require_once(ABSPATH . WPINC . '/load.php');
  43  require_once(ABSPATH . WPINC . '/compat.php');
  44  require_once(ABSPATH . WPINC . '/functions.php');
  45  require_once(ABSPATH . WPINC . '/class-wp-error.php');
  46  require_once(ABSPATH . WPINC . '/version.php');
  47  
  48  if (!file_exists(ABSPATH . 'wp-config-sample.php'))
  49      wp_die('Sorry, I need a wp-config-sample.php file to work from. Please re-upload this file from your WordPress installation.');
  50  
  51  $configFile = file(ABSPATH . 'wp-config-sample.php');
  52  
  53  // Check if wp-config.php has been created
  54  if (file_exists(ABSPATH . 'wp-config.php'))
  55      wp_die("<p>The file 'wp-config.php' already exists. If you need to reset any of the configuration items in this file, please delete it first. You may try <a href='install.php'>installing now</a>.</p>");
  56  
  57  // Check if wp-config.php exists above the root directory but is not part of another install
  58  if (file_exists(ABSPATH . '../wp-config.php') && ! file_exists(ABSPATH . '../wp-settings.php'))
  59      wp_die("<p>The file 'wp-config.php' already exists one level above your WordPress installation. If you need to reset any of the configuration items in this file, please delete it first. You may try <a href='install.php'>installing now</a>.</p>");
  60  
  61  if ( version_compare( $required_php_version, phpversion(), '>' ) )
  62      wp_die( sprintf( /*WP_I18N_OLD_PHP*/'Your server is running PHP version %1$s but WordPress requires at least %2$s.'/*/WP_I18N_OLD_PHP*/, phpversion(), $required_php_version ) );
  63  
  64  if ( !extension_loaded('mysql') && !file_exists(ABSPATH . 'wp-content/db.php') )
  65      wp_die( /*WP_I18N_OLD_MYSQL*/'Your PHP installation appears to be missing the MySQL extension which is required by WordPress.'/*/WP_I18N_OLD_MYSQL*/ );
  66  
  67  if (isset($_GET['step']))
  68      $step = $_GET['step'];
  69  else
  70      $step = 0;
  71  
  72  /**
  73   * Display setup wp-config.php file header.
  74   *
  75   * @ignore
  76   * @since 2.3.0
  77   * @package WordPress
  78   * @subpackage Installer_WP_Config
  79   */
  80  function display_header() {
  81      header( 'Content-Type: text/html; charset=utf-8' );
  82  ?>
  83  <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  84  <html xmlns="http://www.w3.org/1999/xhtml">
  85  <head>
  86  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  87  <title>WordPress &rsaquo; Setup Configuration File</title>
  88  <link rel="stylesheet" href="css/install.css" type="text/css" />
  89  
  90  </head>
  91  <body>
  92  <h1 id="logo"><img alt="WordPress" src="images/wordpress-logo.png" /></h1>
  93  <?php
  94  }//end function display_header();
  95  
  96  switch($step) {
  97      case 0:
  98          display_header();
  99  ?>
 100  
 101  <p>Welcome to WordPress. Before getting started, we need some information on the database. You will need to know the following items before proceeding.</p>
 102  <ol>
 103      <li>Database name</li>
 104      <li>Database username</li>
 105      <li>Database password</li>
 106      <li>Database host</li>
 107      <li>Table prefix (if you want to run more than one WordPress in a single database) </li>
 108  </ol>
 109  <p><strong>If for any reason this automatic file creation doesn't work, don't worry. All this does is fill in the database information to a configuration file. You may also simply open <code>wp-config-sample.php</code> in a text editor, fill in your information, and save it as <code>wp-config.php</code>. </strong></p>
 110  <p>In all likelihood, these items were supplied to you by your Web Host. If you do not have this information, then you will need to contact them before you can continue. If you&#8217;re all ready&hellip;</p>
 111  
 112  <p class="step"><a href="setup-config.php?step=1<?php if ( isset( $_GET['noapi'] ) ) echo '&amp;noapi'; ?>" class="button">Let&#8217;s go!</a></p>
 113  <?php
 114      break;
 115  
 116      case 1:
 117          display_header();
 118      ?>
 119  <form method="post" action="setup-config.php?step=2">
 120      <p>Below you should enter your database connection details. If you're not sure about these, contact your host. </p>
 121      <table class="form-table">
 122          <tr>
 123              <th scope="row"><label for="dbname">Database Name</label></th>
 124              <td><input name="dbname" id="dbname" type="text" size="25" value="wordpress" /></td>
 125              <td>The name of the database you want to run WP in. </td>
 126          </tr>
 127          <tr>
 128              <th scope="row"><label for="uname">User Name</label></th>
 129              <td><input name="uname" id="uname" type="text" size="25" value="username" /></td>
 130              <td>Your MySQL username</td>
 131          </tr>
 132          <tr>
 133              <th scope="row"><label for="pwd">Password</label></th>
 134              <td><input name="pwd" id="pwd" type="text" size="25" value="password" /></td>
 135              <td>...and MySQL password.</td>
 136          </tr>
 137          <tr>
 138              <th scope="row"><label for="dbhost">Database Host</label></th>
 139              <td><input name="dbhost" id="dbhost" type="text" size="25" value="localhost" /></td>
 140              <td>You should be able to get this info from your web host, if <code>localhost</code> does not work.</td>
 141          </tr>
 142          <tr>
 143              <th scope="row"><label for="prefix">Table Prefix</label></th>
 144              <td><input name="prefix" id="prefix" type="text" id="prefix" value="wp_" size="25" /></td>
 145              <td>If you want to run multiple WordPress installations in a single database, change this.</td>
 146          </tr>
 147      </table>
 148      <?php if ( isset( $_GET['noapi'] ) ) { ?><input name="noapi" type="hidden" value="true" /><?php } ?>
 149      <p class="step"><input name="submit" type="submit" value="Submit" class="button" /></p>
 150  </form>
 151  <?php
 152      break;
 153  
 154      case 2:
 155      $dbname  = trim($_POST['dbname']);
 156      $uname   = trim($_POST['uname']);
 157      $passwrd = trim($_POST['pwd']);
 158      $dbhost  = trim($_POST['dbhost']);
 159      $prefix  = trim($_POST['prefix']);
 160      if ( empty($prefix) )
 161          $prefix = 'wp_';
 162  
 163      // Validate $prefix: it can only contain letters, numbers and underscores
 164      if ( preg_match( '|[^a-z0-9_]|i', $prefix ) )
 165          wp_die( /*WP_I18N_BAD_PREFIX*/'<strong>ERROR</strong>: "Table Prefix" can only contain numbers, letters, and underscores.'/*/WP_I18N_BAD_PREFIX*/ );
 166  
 167      // Test the db connection.
 168      /**#@+
 169       * @ignore
 170       */
 171      define('DB_NAME', $dbname);
 172      define('DB_USER', $uname);
 173      define('DB_PASSWORD', $passwrd);
 174      define('DB_HOST', $dbhost);
 175      /**#@-*/
 176  
 177      // We'll fail here if the values are no good.
 178      require_wp_db();
 179      if ( ! empty( $wpdb->error ) ) {
 180          $back = '<p class="step"><a href="setup-config.php?step=1" onclick="javascript:history.go(-1);return false;" class="button">Try Again</a></p>';
 181          wp_die( $wpdb->error->get_error_message() . $back );
 182      }
 183  
 184      // Fetch or generate keys and salts.
 185      $no_api = isset( $_POST['noapi'] );
 186      require_once( ABSPATH . WPINC . '/plugin.php' );
 187      require_once( ABSPATH . WPINC . '/l10n.php' );
 188      require_once( ABSPATH . WPINC . '/pomo/translations.php' );
 189      if ( ! $no_api ) {
 190          require_once( ABSPATH . WPINC . '/class-http.php' );
 191          require_once( ABSPATH . WPINC . '/http.php' );
 192          wp_fix_server_vars();
 193          /**#@+
 194           * @ignore
 195           */
 196  		function get_bloginfo() {
 197              return ( ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . str_replace( $_SERVER['PHP_SELF'], '/wp-admin/setup-config.php', '' ) );
 198          }
 199          /**#@-*/
 200          $secret_keys = wp_remote_get( 'https://api.wordpress.org/secret-key/1.1/salt/' );
 201      }
 202  
 203      if ( $no_api || is_wp_error( $secret_keys ) ) {
 204          $secret_keys = array();
 205          require_once( ABSPATH . WPINC . '/pluggable.php' );
 206          for ( $i = 0; $i < 8; $i++ ) {
 207              $secret_keys[] = wp_generate_password( 64, true, true );
 208          }
 209      } else {
 210          $secret_keys = explode( "\n", wp_remote_retrieve_body( $secret_keys ) );
 211          foreach ( $secret_keys as $k => $v ) {
 212              $secret_keys[$k] = substr( $v, 28, 64 );
 213          }
 214      }
 215      $key = 0;
 216  
 217      foreach ($configFile as $line_num => $line) {
 218          switch (substr($line,0,16)) {
 219              case "define('DB_NAME'":
 220                  $configFile[$line_num] = str_replace("database_name_here", $dbname, $line);
 221                  break;
 222              case "define('DB_USER'":
 223                  $configFile[$line_num] = str_replace("'username_here'", "'$uname'", $line);
 224                  break;
 225              case "define('DB_PASSW":
 226                  $configFile[$line_num] = str_replace("'password_here'", "'$passwrd'", $line);
 227                  break;
 228              case "define('DB_HOST'":
 229                  $configFile[$line_num] = str_replace("localhost", $dbhost, $line);
 230                  break;
 231              case '$table_prefix  =':
 232                  $configFile[$line_num] = str_replace('wp_', $prefix, $line);
 233                  break;
 234              case "define('AUTH_KEY":
 235              case "define('SECURE_A":
 236              case "define('LOGGED_I":
 237              case "define('NONCE_KE":
 238              case "define('AUTH_SAL":
 239              case "define('SECURE_A":
 240              case "define('LOGGED_I":
 241              case "define('NONCE_SA":
 242                  $configFile[$line_num] = str_replace('put your unique phrase here', $secret_keys[$key++], $line );
 243                  break;
 244          }
 245      }
 246      if ( ! is_writable(ABSPATH) ) :
 247          display_header();
 248  ?>
 249  <p>Sorry, but I can't write the <code>wp-config.php</code> file.</p>
 250  <p>You can create the <code>wp-config.php</code> manually and paste the following text into it.</p>
 251  <textarea cols="98" rows="15" class="code"><?php
 252          foreach( $configFile as $line ) {
 253              echo htmlentities($line, ENT_COMPAT, 'UTF-8');
 254          }
 255  ?></textarea>
 256  <p>After you've done that, click "Run the install."</p>
 257  <p class="step"><a href="install.php" class="button">Run the install</a></p>
 258  <?php
 259      else :
 260          $handle = fopen(ABSPATH . 'wp-config.php', 'w');
 261          foreach( $configFile as $line ) {
 262              fwrite($handle, $line);
 263          }
 264          fclose($handle);
 265          chmod(ABSPATH . 'wp-config.php', 0666);
 266          display_header();
 267  ?>
 268  <p>All right sparky! You've made it through this part of the installation. WordPress can now communicate with your database. If you are ready, time now to&hellip;</p>
 269  
 270  <p class="step"><a href="install.php" class="button">Run the install</a></p>
 271  <?php
 272      endif;
 273      break;
 274  }
 275  ?>
 276  </body>
 277  </html>


Generated: Wed Jun 1 08:30:02 2011 Cross-referenced by PHPXref 0.7
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