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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      <p id="logo"><a href="https://wordpress.org/">WordPress</a></p>
  20      <h1>Error: PHP is not running</h1>
  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 installation 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      <meta name="robots" content="noindex,nofollow" />
  73      <title><?php _e( 'WordPress &rsaquo; Installation' ); ?></title>
  74      <?php wp_admin_css( 'install', true ); ?>
  75  </head>
  76  <body class="wp-core-ui<?php echo $body_classes; ?>">
  77  <p id="logo"><a href="<?php echo esc_url( __( 'https://wordpress.org/' ) ); ?>"><?php _e( 'WordPress' ); ?></a></p>
  78  
  79      <?php
  80  } // end display_header()
  81  
  82  /**
  83   * Display installer setup form.
  84   *
  85   * @since 2.8.0
  86   *
  87   * @global wpdb $wpdb WordPress database abstraction object.
  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  <h1><?php _ex( 'Welcome', 'Howdy' ); ?></h1>
 110  <p class="message"><?php echo $error; ?></p>
 111  <?php } ?>
 112  <form id="setup" method="post" action="install.php?step=2" novalidate="novalidate">
 113      <table class="form-table" role="presentation">
 114          <tr>
 115              <th scope="row"><label for="weblog_title"><?php _e( 'Site Title' ); ?></label></th>
 116              <td><input name="weblog_title" type="text" id="weblog_title" size="25" value="<?php echo esc_attr( $weblog_title ); ?>" /></td>
 117          </tr>
 118          <tr>
 119              <th scope="row"><label for="user_login"><?php _e( 'Username' ); ?></label></th>
 120              <td>
 121              <?php
 122              if ( $user_table ) {
 123                  _e( 'User(s) already exists.' );
 124                  echo '<input name="user_name" type="hidden" value="admin" />';
 125              } else {
 126                  ?>
 127                  <input name="user_name" type="text" id="user_login" size="25" value="<?php echo esc_attr( sanitize_user( $user_name, true ) ); ?>" />
 128                  <p><?php _e( 'Usernames can have only alphanumeric characters, spaces, underscores, hyphens, periods, and the @ symbol.' ); ?></p>
 129                  <?php
 130              }
 131              ?>
 132              </td>
 133          </tr>
 134          <?php if ( ! $user_table ) : ?>
 135          <tr class="form-field form-required user-pass1-wrap">
 136              <th scope="row">
 137                  <label for="pass1">
 138                      <?php _e( 'Password' ); ?>
 139                  </label>
 140              </th>
 141              <td>
 142                  <div class="wp-pwd">
 143                      <?php $initial_password = isset( $_POST['admin_password'] ) ? stripslashes( $_POST['admin_password'] ) : wp_generate_password( 18 ); ?>
 144                      <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" />
 145                      <button type="button" class="button 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' ); ?>">
 146                          <span class="dashicons dashicons-hidden"></span>
 147                          <span class="text"><?php _e( 'Hide' ); ?></span>
 148                      </button>
 149                      <div id="pass-strength-result" aria-live="polite"></div>
 150                  </div>
 151                  <p><span class="description important hide-if-no-js">
 152                  <strong><?php _e( 'Important:' ); ?></strong>
 153                  <?php /* translators: The non-breaking space prevents 1Password from thinking the text "log in" should trigger a password save prompt. */ ?>
 154                  <?php _e( 'You will need this password to log&nbsp;in. Please store it in a secure location.' ); ?></span></p>
 155              </td>
 156          </tr>
 157          <tr class="form-field form-required user-pass2-wrap hide-if-js">
 158              <th scope="row">
 159                  <label for="pass2"><?php _e( 'Repeat Password' ); ?>
 160                      <span class="description"><?php _e( '(required)' ); ?></span>
 161                  </label>
 162              </th>
 163              <td>
 164                  <input name="admin_password2" type="password" id="pass2" autocomplete="off" />
 165              </td>
 166          </tr>
 167          <tr class="pw-weak">
 168              <th scope="row"><?php _e( 'Confirm Password' ); ?></th>
 169              <td>
 170                  <label>
 171                      <input type="checkbox" name="pw_weak" class="pw-checkbox" />
 172                      <?php _e( 'Confirm use of weak password' ); ?>
 173                  </label>
 174              </td>
 175          </tr>
 176          <?php endif; ?>
 177          <tr>
 178              <th scope="row"><label for="admin_email"><?php _e( 'Your Email' ); ?></label></th>
 179              <td><input name="admin_email" type="email" id="admin_email" size="25" value="<?php echo esc_attr( $admin_email ); ?>" />
 180              <p><?php _e( 'Double-check your email address before continuing.' ); ?></p></td>
 181          </tr>
 182          <tr>
 183              <th scope="row"><?php has_action( 'blog_privacy_selector' ) ? _e( 'Site Visibility' ) : _e( 'Search Engine Visibility' ); ?></th>
 184              <td>
 185                  <fieldset>
 186                      <legend class="screen-reader-text"><span><?php has_action( 'blog_privacy_selector' ) ? _e( 'Site Visibility' ) : _e( 'Search Engine Visibility' ); ?> </span></legend>
 187                      <?php
 188                      if ( has_action( 'blog_privacy_selector' ) ) {
 189                          ?>
 190                          <input id="blog-public" type="radio" name="blog_public" value="1" <?php checked( 1, $blog_public ); ?> />
 191                          <label for="blog-public"><?php _e( 'Allow search engines to index this site' ); ?></label><br/>
 192                          <input id="blog-norobots" type="radio" name="blog_public" value="0" <?php checked( 0, $blog_public ); ?> />
 193                          <label for="blog-norobots"><?php _e( 'Discourage search engines from indexing this site' ); ?></label>
 194                          <p class="description"><?php _e( 'Note: Neither of these options blocks access to your site &mdash; it is up to search engines to honor your request.' ); ?></p>
 195                          <?php
 196                          /** This action is documented in wp-admin/options-reading.php */
 197                          do_action( 'blog_privacy_selector' );
 198                      } else {
 199                          ?>
 200                          <label for="blog_public"><input name="blog_public" type="checkbox" id="blog_public" value="0" <?php checked( 0, $blog_public ); ?> />
 201                          <?php _e( 'Discourage search engines from indexing this site' ); ?></label>
 202                          <p class="description"><?php _e( 'It is up to search engines to honor this request.' ); ?></p>
 203                      <?php } ?>
 204                  </fieldset>
 205              </td>
 206          </tr>
 207      </table>
 208      <p class="step"><?php submit_button( __( 'Install WordPress' ), 'large', 'Submit', false, array( 'id' => 'submit' ) ); ?></p>
 209      <input type="hidden" name="language" value="<?php echo isset( $_REQUEST['language'] ) ? esc_attr( $_REQUEST['language'] ) : ''; ?>" />
 210  </form>
 211      <?php
 212  } // end display_setup_form()
 213  
 214  // Let's check to make sure WP isn't already installed.
 215  if ( is_blog_installed() ) {
 216      display_header();
 217      die(
 218          '<h1>' . __( 'Already Installed' ) . '</h1>' .
 219          '<p>' . __( 'You appear to have already installed WordPress. To reinstall please clear your old database tables first.' ) . '</p>' .
 220          '<p class="step"><a href="' . esc_url( wp_login_url() ) . '" class="button button-large">' . __( 'Log In' ) . '</a></p>' .
 221          '</body></html>'
 222      );
 223  }
 224  
 225  /**
 226   * @global string $wp_version
 227   * @global string $required_php_version
 228   * @global string $required_mysql_version
 229   */
 230  global $wp_version, $required_php_version, $required_mysql_version;
 231  
 232  $php_version   = phpversion();
 233  $mysql_version = $wpdb->db_version();
 234  $php_compat    = version_compare( $php_version, $required_php_version, '>=' );
 235  $mysql_compat  = version_compare( $mysql_version, $required_mysql_version, '>=' ) || file_exists( WP_CONTENT_DIR . '/db.php' );
 236  
 237  $version_url = sprintf(
 238      /* translators: %s: WordPress version. */
 239      esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
 240      sanitize_title( $wp_version )
 241  );
 242  
 243  /* translators: %s: URL to Update PHP page. */
 244  $php_update_message = '</p><p>' . sprintf( __( '<a href="%s">Learn more about updating PHP</a>.' ), esc_url( wp_get_update_php_url() ) );
 245  
 246  $annotation = wp_get_update_php_annotation();
 247  if ( $annotation ) {
 248      $php_update_message .= '</p><p><em>' . $annotation . '</em>';
 249  }
 250  
 251  if ( ! $mysql_compat && ! $php_compat ) {
 252      /* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required PHP version number, 4: Minimum required MySQL version number, 5: Current PHP version number, 6: Current MySQL version number. */
 253      $compat = sprintf( __( 'You cannot install because <a href="%1$s">WordPress %2$s</a> requires PHP version %3$s or higher and MySQL version %4$s or higher. You are running PHP version %5$s and MySQL version %6$s.' ), $version_url, $wp_version, $required_php_version, $required_mysql_version, $php_version, $mysql_version ) . $php_update_message;
 254  } elseif ( ! $php_compat ) {
 255      /* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required PHP version number, 4: Current PHP version number. */
 256      $compat = sprintf( __( 'You cannot install because <a href="%1$s">WordPress %2$s</a> requires PHP version %3$s or higher. You are running version %4$s.' ), $version_url, $wp_version, $required_php_version, $php_version ) . $php_update_message;
 257  } elseif ( ! $mysql_compat ) {
 258      /* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required MySQL version number, 4: Current MySQL version number. */
 259      $compat = sprintf( __( 'You cannot install because <a href="%1$s">WordPress %2$s</a> requires MySQL version %3$s or higher. You are running version %4$s.' ), $version_url, $wp_version, $required_mysql_version, $mysql_version );
 260  }
 261  
 262  if ( ! $mysql_compat || ! $php_compat ) {
 263      display_header();
 264      die( '<h1>' . __( 'Requirements Not Met' ) . '</h1><p>' . $compat . '</p></body></html>' );
 265  }
 266  
 267  if ( ! is_string( $wpdb->base_prefix ) || '' === $wpdb->base_prefix ) {
 268      display_header();
 269      die(
 270          '<h1>' . __( 'Configuration Error' ) . '</h1>' .
 271          '<p>' . sprintf(
 272              /* translators: %s: wp-config.php */
 273              __( 'Your %s file has an empty database table prefix, which is not supported.' ),
 274              '<code>wp-config.php</code>'
 275          ) . '</p></body></html>'
 276      );
 277  }
 278  
 279  // Set error message if DO_NOT_UPGRADE_GLOBAL_TABLES isn't set as it will break install.
 280  if ( defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) {
 281      display_header();
 282      die(
 283          '<h1>' . __( 'Configuration Error' ) . '</h1>' .
 284          '<p>' . sprintf(
 285              /* translators: %s: DO_NOT_UPGRADE_GLOBAL_TABLES */
 286              __( 'The constant %s cannot be defined when installing WordPress.' ),
 287              '<code>DO_NOT_UPGRADE_GLOBAL_TABLES</code>'
 288          ) . '</p></body></html>'
 289      );
 290  }
 291  
 292  /**
 293   * @global string    $wp_local_package
 294   * @global WP_Locale $wp_locale        WordPress date and time locale object.
 295   */
 296  $language = '';
 297  if ( ! empty( $_REQUEST['language'] ) ) {
 298      $language = preg_replace( '/[^a-zA-Z0-9_]/', '', $_REQUEST['language'] );
 299  } elseif ( isset( $GLOBALS['wp_local_package'] ) ) {
 300      $language = $GLOBALS['wp_local_package'];
 301  }
 302  
 303  $scripts_to_print = array( 'jquery' );
 304  
 305  switch ( $step ) {
 306      case 0: // Step 0
 307          if ( wp_can_install_language_pack() && empty( $language ) ) {
 308              $languages = wp_get_available_translations();
 309              if ( $languages ) {
 310                  $scripts_to_print[] = 'language-chooser';
 311                  display_header( 'language-chooser' );
 312                  echo '<form id="setup" method="post" action="?step=1">';
 313                  wp_install_language_form( $languages );
 314                  echo '</form>';
 315                  break;
 316              }
 317          }
 318  
 319          // Deliberately fall through if we can't reach the translations API.
 320  
 321      case 1: // Step 1, direct link or from language chooser.
 322          if ( ! empty( $language ) ) {
 323              $loaded_language = wp_download_language_pack( $language );
 324              if ( $loaded_language ) {
 325                  load_default_textdomain( $loaded_language );
 326                  $GLOBALS['wp_locale'] = new WP_Locale();
 327              }
 328          }
 329  
 330          $scripts_to_print[] = 'user-profile';
 331  
 332          display_header();
 333          ?>
 334  <h1><?php _ex( 'Welcome', 'Howdy' ); ?></h1>
 335  <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>
 336  
 337  <h2><?php _e( 'Information needed' ); ?></h2>
 338  <p><?php _e( 'Please provide the following information. Don&#8217;t worry, you can always change these settings later.' ); ?></p>
 339  
 340          <?php
 341          display_setup_form();
 342          break;
 343      case 2:
 344          if ( ! empty( $language ) && load_default_textdomain( $language ) ) {
 345              $loaded_language      = $language;
 346              $GLOBALS['wp_locale'] = new WP_Locale();
 347          } else {
 348              $loaded_language = 'en_US';
 349          }
 350  
 351          if ( ! empty( $wpdb->error ) ) {
 352              wp_die( $wpdb->error->get_error_message() );
 353          }
 354  
 355          $scripts_to_print[] = 'user-profile';
 356  
 357          display_header();
 358          // Fill in the data we gathered
 359          $weblog_title         = isset( $_POST['weblog_title'] ) ? trim( wp_unslash( $_POST['weblog_title'] ) ) : '';
 360          $user_name            = isset( $_POST['user_name'] ) ? trim( wp_unslash( $_POST['user_name'] ) ) : '';
 361          $admin_password       = isset( $_POST['admin_password'] ) ? wp_unslash( $_POST['admin_password'] ) : '';
 362          $admin_password_check = isset( $_POST['admin_password2'] ) ? wp_unslash( $_POST['admin_password2'] ) : '';
 363          $admin_email          = isset( $_POST['admin_email'] ) ? trim( wp_unslash( $_POST['admin_email'] ) ) : '';
 364          $public               = isset( $_POST['blog_public'] ) ? (int) $_POST['blog_public'] : 1;
 365  
 366          // Check email address.
 367          $error = false;
 368          if ( empty( $user_name ) ) {
 369              // TODO: poka-yoke
 370              display_setup_form( __( 'Please provide a valid username.' ) );
 371              $error = true;
 372          } elseif ( $user_name != sanitize_user( $user_name, true ) ) {
 373              display_setup_form( __( 'The username you provided has invalid characters.' ) );
 374              $error = true;
 375          } elseif ( $admin_password != $admin_password_check ) {
 376              // TODO: poka-yoke
 377              display_setup_form( __( 'Your passwords do not match. Please try again.' ) );
 378              $error = true;
 379          } elseif ( empty( $admin_email ) ) {
 380              // TODO: poka-yoke
 381              display_setup_form( __( 'You must provide an email address.' ) );
 382              $error = true;
 383          } elseif ( ! is_email( $admin_email ) ) {
 384              // TODO: poka-yoke
 385              display_setup_form( __( 'Sorry, that isn&#8217;t a valid email address. Email addresses look like <code>username@example.com</code>.' ) );
 386              $error = true;
 387          }
 388  
 389          if ( $error === false ) {
 390              $wpdb->show_errors();
 391              $result = wp_install( $weblog_title, $user_name, $admin_email, $public, '', wp_slash( $admin_password ), $loaded_language );
 392              ?>
 393  
 394  <h1><?php _e( 'Success!' ); ?></h1>
 395  
 396  <p><?php _e( 'WordPress has been installed. Thank you, and enjoy!' ); ?></p>
 397  
 398  <table class="form-table install-success">
 399      <tr>
 400          <th><?php _e( 'Username' ); ?></th>
 401          <td><?php echo esc_html( sanitize_user( $user_name, true ) ); ?></td>
 402      </tr>
 403      <tr>
 404          <th><?php _e( 'Password' ); ?></th>
 405          <td>
 406              <?php
 407              if ( ! empty( $result['password'] ) && empty( $admin_password_check ) ) :
 408                  ?>
 409              <code><?php echo esc_html( $result['password'] ); ?></code><br />
 410          <?php endif ?>
 411              <p><?php echo $result['password_message']; ?></p>
 412          </td>
 413      </tr>
 414  </table>
 415  
 416  <p class="step"><a href="<?php echo esc_url( wp_login_url() ); ?>" class="button button-large"><?php _e( 'Log In' ); ?></a></p>
 417  
 418              <?php
 419          }
 420          break;
 421  }
 422  
 423  if ( ! wp_is_mobile() ) {
 424      ?>
 425  <script type="text/javascript">var t = document.getElementById('weblog_title'); if (t){ t.focus(); }</script>
 426      <?php
 427  }
 428  
 429  wp_print_scripts( $scripts_to_print );
 430  ?>
 431  <script type="text/javascript">
 432  jQuery( function( $ ) {
 433      $( '.hide-if-no-js' ).removeClass( 'hide-if-no-js' );
 434  } );
 435  </script>
 436  </body>
 437  </html>


Generated: Fri Oct 25 08:20:01 2019 Cross-referenced by PHPXref 0.7