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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>
  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( __DIR__ ) . '/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 <?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"><?php _e( 'WordPress' ); ?></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      $user_table = ( $wpdb->get_var( $wpdb->prepare( 'SHOW TABLES LIKE %s', $wpdb->esc_like( $wpdb->users ) ) ) !== null );
  95  
  96      // Ensure that sites appear in search engines by default.
  97      $blog_public = 1;
  98      if ( isset( $_POST['weblog_title'] ) ) {
  99          $blog_public = isset( $_POST['blog_public'] );
 100      }
 101  
 102      $weblog_title = isset( $_POST['weblog_title'] ) ? trim( wp_unslash( $_POST['weblog_title'] ) ) : '';
 103      $user_name    = isset( $_POST['user_name'] ) ? trim( wp_unslash( $_POST['user_name'] ) ) : '';
 104      $admin_email  = isset( $_POST['admin_email'] ) ? trim( wp_unslash( $_POST['admin_email'] ) ) : '';
 105  
 106      if ( ! is_null( $error ) ) {
 107          ?>
 108  <h1><?php _ex( 'Welcome', 'Howdy' ); ?></h1>
 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" role="presentation">
 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                  ?>
 126                  <input name="user_name" type="text" id="user_login" size="25" value="<?php echo esc_attr( sanitize_user( $user_name, true ) ); ?>" />
 127                  <p><?php _e( 'Usernames can have only alphanumeric characters, spaces, underscores, hyphens, periods, and the @ symbol.' ); ?></p>
 128                  <?php
 129              }
 130              ?>
 131              </td>
 132          </tr>
 133          <?php if ( ! $user_table ) : ?>
 134          <tr class="form-field form-required user-pass1-wrap">
 135              <th scope="row">
 136                  <label for="pass1">
 137                      <?php _e( 'Password' ); ?>
 138                  </label>
 139              </th>
 140              <td>
 141                  <div class="wp-pwd">
 142                      <?php $initial_password = isset( $_POST['admin_password'] ) ? stripslashes( $_POST['admin_password'] ) : wp_generate_password( 18 ); ?>
 143                      <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" />
 144                      <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' ); ?>">
 145                          <span class="dashicons dashicons-hidden"></span>
 146                          <span class="text"><?php _e( 'Hide' ); ?></span>
 147                      </button>
 148                      <div id="pass-strength-result" aria-live="polite"></div>
 149                  </div>
 150                  <p><span class="description important hide-if-no-js">
 151                  <strong><?php _e( 'Important:' ); ?></strong>
 152                  <?php /* translators: The non-breaking space prevents 1Password from thinking the text "log in" should trigger a password save prompt. */ ?>
 153                  <?php _e( 'You will need this password to log&nbsp;in. Please store it in a secure location.' ); ?></span></p>
 154              </td>
 155          </tr>
 156          <tr class="form-field form-required user-pass2-wrap hide-if-js">
 157              <th scope="row">
 158                  <label for="pass2"><?php _e( 'Repeat Password' ); ?>
 159                      <span class="description"><?php _e( '(required)' ); ?></span>
 160                  </label>
 161              </th>
 162              <td>
 163                  <input name="admin_password2" type="password" id="pass2" autocomplete="off" />
 164              </td>
 165          </tr>
 166          <tr class="pw-weak">
 167              <th scope="row"><?php _e( 'Confirm Password' ); ?></th>
 168              <td>
 169                  <label>
 170                      <input type="checkbox" name="pw_weak" class="pw-checkbox" />
 171                      <?php _e( 'Confirm use of weak password' ); ?>
 172                  </label>
 173              </td>
 174          </tr>
 175          <?php endif; ?>
 176          <tr>
 177              <th scope="row"><label for="admin_email"><?php _e( 'Your Email' ); ?></label></th>
 178              <td><input name="admin_email" type="email" id="admin_email" size="25" value="<?php echo esc_attr( $admin_email ); ?>" />
 179              <p><?php _e( 'Double-check your email address before continuing.' ); ?></p></td>
 180          </tr>
 181          <tr>
 182              <th scope="row"><?php has_action( 'blog_privacy_selector' ) ? _e( 'Site visibility' ) : _e( 'Search engine visibility' ); ?></th>
 183              <td>
 184                  <fieldset>
 185                      <legend class="screen-reader-text"><span><?php has_action( 'blog_privacy_selector' ) ? _e( 'Site visibility' ) : _e( 'Search engine visibility' ); ?> </span></legend>
 186                      <?php
 187                      if ( has_action( 'blog_privacy_selector' ) ) {
 188                          ?>
 189                          <input id="blog-public" type="radio" name="blog_public" value="1" <?php checked( 1, $blog_public ); ?> />
 190                          <label for="blog-public"><?php _e( 'Allow search engines to index this site' ); ?></label><br/>
 191                          <input id="blog-norobots" type="radio" name="blog_public" value="0" <?php checked( 0, $blog_public ); ?> />
 192                          <label for="blog-norobots"><?php _e( 'Discourage search engines from indexing this site' ); ?></label>
 193                          <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>
 194                          <?php
 195                          /** This action is documented in wp-admin/options-reading.php */
 196                          do_action( 'blog_privacy_selector' );
 197                      } else {
 198                          ?>
 199                          <label for="blog_public"><input name="blog_public" type="checkbox" id="blog_public" value="0" <?php checked( 0, $blog_public ); ?> />
 200                          <?php _e( 'Discourage search engines from indexing this site' ); ?></label>
 201                          <p class="description"><?php _e( 'It is up to search engines to honor this request.' ); ?></p>
 202                      <?php } ?>
 203                  </fieldset>
 204              </td>
 205          </tr>
 206      </table>
 207      <p class="step"><?php submit_button( __( 'Install WordPress' ), 'large', 'Submit', false, array( 'id' => 'submit' ) ); ?></p>
 208      <input type="hidden" name="language" value="<?php echo isset( $_REQUEST['language'] ) ? esc_attr( $_REQUEST['language'] ) : ''; ?>" />
 209  </form>
 210      <?php
 211  } // End display_setup_form().
 212  
 213  // Let's check to make sure WP isn't already installed.
 214  if ( is_blog_installed() ) {
 215      display_header();
 216      die(
 217          '<h1>' . __( 'Already Installed' ) . '</h1>' .
 218          '<p>' . __( 'You appear to have already installed WordPress. To reinstall please clear your old database tables first.' ) . '</p>' .
 219          '<p class="step"><a href="' . esc_url( wp_login_url() ) . '" class="button button-large">' . __( 'Log In' ) . '</a></p>' .
 220          '</body></html>'
 221      );
 222  }
 223  
 224  /**
 225   * @global string $wp_version             The WordPress version string.
 226   * @global string $required_php_version   The required PHP version string.
 227   * @global string $required_mysql_version The required MySQL version string.
 228   */
 229  global $wp_version, $required_php_version, $required_mysql_version;
 230  
 231  $php_version   = phpversion();
 232  $mysql_version = $wpdb->db_version();
 233  $php_compat    = version_compare( $php_version, $required_php_version, '>=' );
 234  $mysql_compat  = version_compare( $mysql_version, $required_mysql_version, '>=' ) || file_exists( WP_CONTENT_DIR . '/db.php' );
 235  
 236  $version_url = sprintf(
 237      /* translators: %s: WordPress version. */
 238      esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
 239      sanitize_title( $wp_version )
 240  );
 241  
 242  /* translators: %s: URL to Update PHP page. */
 243  $php_update_message = '</p><p>' . sprintf(
 244      __( '<a href="%s">Learn more about updating PHP</a>.' ),
 245      esc_url( wp_get_update_php_url() )
 246  );
 247  
 248  $annotation = wp_get_update_php_annotation();
 249  
 250  if ( $annotation ) {
 251      $php_update_message .= '</p><p><em>' . $annotation . '</em>';
 252  }
 253  
 254  if ( ! $mysql_compat && ! $php_compat ) {
 255      $compat = sprintf(
 256          /* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required PHP version number, 4: Minimum required MySQL version number, 5: Current PHP version number, 6: Current MySQL version number. */
 257          __( 'You cannot install because <a href="%1$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.' ),
 258          $version_url,
 259          $wp_version,
 260          $required_php_version,
 261          $required_mysql_version,
 262          $php_version,
 263          $mysql_version
 264      ) . $php_update_message;
 265  } elseif ( ! $php_compat ) {
 266      $compat = sprintf(
 267          /* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required PHP version number, 4: Current PHP version number. */
 268          __( 'You cannot install because <a href="%1$s">WordPress %2$s</a> requires PHP version %3$s or higher. You are running version %4$s.' ),
 269          $version_url,
 270          $wp_version,
 271          $required_php_version,
 272          $php_version
 273      ) . $php_update_message;
 274  } elseif ( ! $mysql_compat ) {
 275      $compat = sprintf(
 276          /* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required MySQL version number, 4: Current MySQL version number. */
 277          __( 'You cannot install because <a href="%1$s">WordPress %2$s</a> requires MySQL version %3$s or higher. You are running version %4$s.' ),
 278          $version_url,
 279          $wp_version,
 280          $required_mysql_version,
 281          $mysql_version
 282      );
 283  }
 284  
 285  if ( ! $mysql_compat || ! $php_compat ) {
 286      display_header();
 287      die( '<h1>' . __( 'Requirements Not Met' ) . '</h1><p>' . $compat . '</p></body></html>' );
 288  }
 289  
 290  if ( ! is_string( $wpdb->base_prefix ) || '' === $wpdb->base_prefix ) {
 291      display_header();
 292      die(
 293          '<h1>' . __( 'Configuration Error' ) . '</h1>' .
 294          '<p>' . sprintf(
 295              /* translators: %s: wp-config.php */
 296              __( 'Your %s file has an empty database table prefix, which is not supported.' ),
 297              '<code>wp-config.php</code>'
 298          ) . '</p></body></html>'
 299      );
 300  }
 301  
 302  // Set error message if DO_NOT_UPGRADE_GLOBAL_TABLES isn't set as it will break install.
 303  if ( defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) {
 304      display_header();
 305      die(
 306          '<h1>' . __( 'Configuration Error' ) . '</h1>' .
 307          '<p>' . sprintf(
 308              /* translators: %s: DO_NOT_UPGRADE_GLOBAL_TABLES */
 309              __( 'The constant %s cannot be defined when installing WordPress.' ),
 310              '<code>DO_NOT_UPGRADE_GLOBAL_TABLES</code>'
 311          ) . '</p></body></html>'
 312      );
 313  }
 314  
 315  /**
 316   * @global string    $wp_local_package Locale code of the package.
 317   * @global WP_Locale $wp_locale        WordPress date and time locale object.
 318   */
 319  $language = '';
 320  if ( ! empty( $_REQUEST['language'] ) ) {
 321      $language = preg_replace( '/[^a-zA-Z0-9_]/', '', $_REQUEST['language'] );
 322  } elseif ( isset( $GLOBALS['wp_local_package'] ) ) {
 323      $language = $GLOBALS['wp_local_package'];
 324  }
 325  
 326  $scripts_to_print = array( 'jquery' );
 327  
 328  switch ( $step ) {
 329      case 0: // Step 0.
 330          if ( wp_can_install_language_pack() && empty( $language ) ) {
 331              $languages = wp_get_available_translations();
 332              if ( $languages ) {
 333                  $scripts_to_print[] = 'language-chooser';
 334                  display_header( 'language-chooser' );
 335                  echo '<form id="setup" method="post" action="?step=1">';
 336                  wp_install_language_form( $languages );
 337                  echo '</form>';
 338                  break;
 339              }
 340          }
 341  
 342          // Deliberately fall through if we can't reach the translations API.
 343  
 344      case 1: // Step 1, direct link or from language chooser.
 345          if ( ! empty( $language ) ) {
 346              $loaded_language = wp_download_language_pack( $language );
 347              if ( $loaded_language ) {
 348                  load_default_textdomain( $loaded_language );
 349                  $GLOBALS['wp_locale'] = new WP_Locale();
 350              }
 351          }
 352  
 353          $scripts_to_print[] = 'user-profile';
 354  
 355          display_header();
 356          ?>
 357  <h1><?php _ex( 'Welcome', 'Howdy' ); ?></h1>
 358  <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>
 359  
 360  <h2><?php _e( 'Information needed' ); ?></h2>
 361  <p><?php _e( 'Please provide the following information. Don&#8217;t worry, you can always change these settings later.' ); ?></p>
 362  
 363          <?php
 364          display_setup_form();
 365          break;
 366      case 2:
 367          if ( ! empty( $language ) && load_default_textdomain( $language ) ) {
 368              $loaded_language      = $language;
 369              $GLOBALS['wp_locale'] = new WP_Locale();
 370          } else {
 371              $loaded_language = 'en_US';
 372          }
 373  
 374          if ( ! empty( $wpdb->error ) ) {
 375              wp_die( $wpdb->error->get_error_message() );
 376          }
 377  
 378          $scripts_to_print[] = 'user-profile';
 379  
 380          display_header();
 381          // Fill in the data we gathered.
 382          $weblog_title         = isset( $_POST['weblog_title'] ) ? trim( wp_unslash( $_POST['weblog_title'] ) ) : '';
 383          $user_name            = isset( $_POST['user_name'] ) ? trim( wp_unslash( $_POST['user_name'] ) ) : '';
 384          $admin_password       = isset( $_POST['admin_password'] ) ? wp_unslash( $_POST['admin_password'] ) : '';
 385          $admin_password_check = isset( $_POST['admin_password2'] ) ? wp_unslash( $_POST['admin_password2'] ) : '';
 386          $admin_email          = isset( $_POST['admin_email'] ) ? trim( wp_unslash( $_POST['admin_email'] ) ) : '';
 387          $public               = isset( $_POST['blog_public'] ) ? (int) $_POST['blog_public'] : 1;
 388  
 389          // Check email address.
 390          $error = false;
 391          if ( empty( $user_name ) ) {
 392              // TODO: Poka-yoke.
 393              display_setup_form( __( 'Please provide a valid username.' ) );
 394              $error = true;
 395          } elseif ( sanitize_user( $user_name, true ) !== $user_name ) {
 396              display_setup_form( __( 'The username you provided has invalid characters.' ) );
 397              $error = true;
 398          } elseif ( $admin_password !== $admin_password_check ) {
 399              // TODO: Poka-yoke.
 400              display_setup_form( __( 'Your passwords do not match. Please try again.' ) );
 401              $error = true;
 402          } elseif ( empty( $admin_email ) ) {
 403              // TODO: Poka-yoke.
 404              display_setup_form( __( 'You must provide an email address.' ) );
 405              $error = true;
 406          } elseif ( ! is_email( $admin_email ) ) {
 407              // TODO: Poka-yoke.
 408              display_setup_form( __( 'Sorry, that isn&#8217;t a valid email address. Email addresses look like <code>username@example.com</code>.' ) );
 409              $error = true;
 410          }
 411  
 412          if ( false === $error ) {
 413              $wpdb->show_errors();
 414              $result = wp_install( $weblog_title, $user_name, $admin_email, $public, '', wp_slash( $admin_password ), $loaded_language );
 415              ?>
 416  
 417  <h1><?php _e( 'Success!' ); ?></h1>
 418  
 419  <p><?php _e( 'WordPress has been installed. Thank you, and enjoy!' ); ?></p>
 420  
 421  <table class="form-table install-success">
 422      <tr>
 423          <th><?php _e( 'Username' ); ?></th>
 424          <td><?php echo esc_html( sanitize_user( $user_name, true ) ); ?></td>
 425      </tr>
 426      <tr>
 427          <th><?php _e( 'Password' ); ?></th>
 428          <td>
 429              <?php
 430              if ( ! empty( $result['password'] ) && empty( $admin_password_check ) ) :
 431                  ?>
 432              <code><?php echo esc_html( $result['password'] ); ?></code><br />
 433          <?php endif ?>
 434              <p><?php echo $result['password_message']; ?></p>
 435          </td>
 436      </tr>
 437  </table>
 438  
 439  <p class="step"><a href="<?php echo esc_url( wp_login_url() ); ?>" class="button button-large"><?php _e( 'Log In' ); ?></a></p>
 440  
 441              <?php
 442          }
 443          break;
 444  }
 445  
 446  if ( ! wp_is_mobile() ) {
 447      ?>
 448  <script type="text/javascript">var t = document.getElementById('weblog_title'); if (t){ t.focus(); }</script>
 449      <?php
 450  }
 451  
 452  wp_print_scripts( $scripts_to_print );
 453  ?>
 454  <script type="text/javascript">
 455  jQuery( function( $ ) {
 456      $( '.hide-if-no-js' ).removeClass( 'hide-if-no-js' );
 457  } );
 458  </script>
 459  </body>
 460  </html>


Generated : Wed Oct 28 08:20:01 2020 Cross-referenced by PHPXref