WordPress/wp-admin/install.php

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<?php
/**
* WordPress Installer
*
* @package WordPress
* @subpackage Administration
*/
// Sanity check.
if ( false ) {
?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Error: PHP is not running</title>
</head>
<body class="wp-core-ui">
<h1 id="logo"><a href="https://wordpress.org/">WordPress</a></h1>
<h2>Error: PHP is not running</h2>
<p>WordPress requires that your web server is running PHP. Your server does not have PHP installed, or PHP is turned off.</p>
</body>
</html>
<?php
}
/**
* We are installing WordPress.
*
* @since 1.5.1
* @var bool
*/
define( 'WP_INSTALLING', true );
/** Load WordPress Bootstrap */
require_once( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
/** Load WordPress Administration Upgrade API */
require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
/** Load WordPress Translation Install API */
require_once( ABSPATH . 'wp-admin/includes/translation-install.php' );
/** Load wpdb */
require_once( ABSPATH . WPINC . '/wp-db.php' );
nocache_headers();
$step = isset( $_GET['step'] ) ? (int) $_GET['step'] : 0;
/**
* Display install header.
*
* @since 2.5.0
*
* @param string $body_classes
*/
function display_header( $body_classes = '' ) {
header( 'Content-Type: text/html; charset=utf-8' );
if ( is_rtl() ) {
$body_classes .= 'rtl';
}
if ( $body_classes ) {
$body_classes = ' ' . $body_classes;
}
?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" <?php language_attributes(); ?>>
<head>
<meta name="viewport" content="width=device-width" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title><?php _e( 'WordPress &rsaquo; Installation' ); ?></title>
<?php
wp_admin_css( 'install', true );
wp_admin_css( 'dashicons', true );
?>
</head>
<body class="wp-core-ui<?php echo $body_classes ?>">
<h1 id="logo"><a href="<?php echo esc_url( __( 'https://wordpress.org/' ) ); ?>" tabindex="-1"><?php _e( 'WordPress' ); ?></a></h1>
<?php
} // end display_header()
/**
* Display installer setup form.
*
* @since 2.8.0
*
* @param string|null $error
*/
function display_setup_form( $error = null ) {
global $wpdb;
$sql = $wpdb->prepare( "SHOW TABLES LIKE %s", $wpdb->esc_like( $wpdb->users ) );
$user_table = ( $wpdb->get_var( $sql ) != null );
// Ensure that Blogs appear in search engines by default.
$blog_public = 1;
if ( isset( $_POST['weblog_title'] ) ) {
$blog_public = isset( $_POST['blog_public'] );
}
$weblog_title = isset( $_POST['weblog_title'] ) ? trim( wp_unslash( $_POST['weblog_title'] ) ) : '';
$user_name = isset($_POST['user_name']) ? trim( wp_unslash( $_POST['user_name'] ) ) : '';
$admin_email = isset( $_POST['admin_email'] ) ? trim( wp_unslash( $_POST['admin_email'] ) ) : '';
if ( ! is_null( $error ) ) {
?>
<p class="message"><?php echo $error; ?></p>
<?php } ?>
<form id="setup" method="post" action="install.php?step=2" novalidate="novalidate">
<table class="form-table">
<tr>
<th scope="row"><label for="weblog_title"><?php _e( 'Site Title' ); ?></label></th>
<td><input name="weblog_title" type="text" id="weblog_title" size="25" value="<?php echo esc_attr( $weblog_title ); ?>" /></td>
</tr>
<tr>
<th scope="row"><label for="user_login"><?php _e('Username'); ?></label></th>
<td>
<?php
if ( $user_table ) {
_e('User(s) already exists.');
echo '<input name="user_name" type="hidden" value="admin" />';
} else {
?><input name="user_name" type="text" id="user_login" size="25" value="<?php echo esc_attr( sanitize_user( $user_name, true ) ); ?>" />
<p><?php _e( 'Usernames can have only alphanumeric characters, spaces, underscores, hyphens, periods, and the @ symbol.' ); ?></p>
<?php
} ?>
</td>
</tr>
<?php if ( ! $user_table ) : ?>
<tr class="form-field form-required user-pass1-wrap">
<th scope="row">
<label for="pass1">
<?php _e( 'Password' ); ?>
</label>
</th>
<td>
<div class="">
<?php $initial_password = isset( $_POST['admin_password'] ) ? stripslashes( $_POST['admin_password'] ) : wp_generate_password( 18 ); ?>
<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" />
<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' ); ?>">
<span class="dashicons dashicons-hidden"></span>
<span class="text"><?php _e( 'Hide' ); ?></span>
</button>
<div id="pass-strength-result" aria-live="polite"></div>
</div>
<p><span class="description important hide-if-no-js">
<strong><?php _e( 'Important:' ); ?></strong>
<?php /* translators: The non-breaking space prevents 1Password from thinking the text "log in" should trigger a password save prompt. */ ?>
<?php _e( 'You will need this password to log&nbsp;in. Please store it in a secure location.' ); ?></span></p>
</td>
</tr>
<tr class="form-field form-required user-pass2-wrap hide-if-js">
<th scope="row">
<label for="pass2"><?php _e( 'Repeat Password' ); ?>
<span class="description"><?php _e( '(required)' ); ?></span>
</label>
</th>
<td>
<input name="admin_password2" type="password" id="pass2" autocomplete="off" />
</td>
</tr>
<tr class="pw-weak">
<th scope="row"><?php _e( 'Confirm Password' ); ?></th>
<td>
<label>
<input type="checkbox" name="pw_weak" class="pw-checkbox" />
<?php _e( 'Confirm use of weak password' ); ?>
</label>
</td>
</tr>
<?php endif; ?>
<tr>
<th scope="row"><label for="admin_email"><?php _e( 'Your Email' ); ?></label></th>
<td><input name="admin_email" type="email" id="admin_email" size="25" value="<?php echo esc_attr( $admin_email ); ?>" />
<p><?php _e( 'Double-check your email address before continuing.' ); ?></p></td>
</tr>
<tr>
<th scope="row"><?php _e( 'Privacy' ); ?></th>
<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>
</tr>
</table>
<p class="step"><?php submit_button( __( 'Install WordPress' ), 'large', 'Submit', false, array( 'id' => 'submit' ) ); ?></p>
<input type="hidden" name="language" value="<?php echo isset( $_REQUEST['language'] ) ? esc_attr( $_REQUEST['language'] ) : ''; ?>" />
</form>
<?php
} // end display_setup_form()
// Let's check to make sure WP isn't already installed.
if ( is_blog_installed() ) {
display_header();
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="' . esc_url( wp_login_url() ) . '" class="button button-large">' . __( 'Log In' ) . '</a></p></body></html>' );
}
/**
* @global string $wp_version
* @global string $required_php_version
* @global string $required_mysql_version
* @global wpdb $wpdb
*/
global $wp_version, $required_php_version, $required_mysql_version;
$php_version = phpversion();
$mysql_version = $wpdb->db_version();
$php_compat = version_compare( $php_version, $required_php_version, '>=' );
$mysql_compat = version_compare( $mysql_version, $required_mysql_version, '>=' ) || file_exists( WP_CONTENT_DIR . '/db.php' );
if ( !$mysql_compat && !$php_compat )
$compat = sprintf( __( 'You cannot install because <a href="https://codex.wordpress.org/Version_%1$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, $mysql_version );
elseif ( !$php_compat )
$compat = sprintf( __( 'You cannot install because <a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires PHP version %2$s or higher. You are running version %3$s.' ), $wp_version, $required_php_version, $php_version );
elseif ( !$mysql_compat )
$compat = sprintf( __( 'You cannot install because <a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires MySQL version %2$s or higher. You are running version %3$s.' ), $wp_version, $required_mysql_version, $mysql_version );
if ( !$mysql_compat || !$php_compat ) {
display_header();
die( '<h1>' . __( 'Insufficient Requirements' ) . '</h1><p>' . $compat . '</p></body></html>' );
}
if ( ! is_string( $wpdb->base_prefix ) || '' === $wpdb->base_prefix ) {
display_header();
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>' );
}
// Set error message if DO_NOT_UPGRADE_GLOBAL_TABLES isn't set as it will break install.
if ( defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) {
display_header();
die( '<h1>' . __( 'Configuration Error' ) . '</h1><p>' . __( 'The constant DO_NOT_UPGRADE_GLOBAL_TABLES cannot be defined when installing WordPress.' ) . '</p></body></html>' );
}
/**
* @global string $wp_local_package
* @global WP_Locale $wp_locale
*/
$language = '';
if ( ! empty( $_REQUEST['language'] ) ) {
$language = preg_replace( '/[^a-zA-Z_]/', '', $_REQUEST['language'] );
} elseif ( isset( $GLOBALS['wp_local_package'] ) ) {
$language = $GLOBALS['wp_local_package'];
}
switch($step) {
case 0: // Step 0
if ( wp_can_install_language_pack() && empty( $language ) && ( $languages = wp_get_available_translations() ) ) {
display_header( 'language-chooser' );
echo '<form id="setup" method="post" action="?step=1">';
wp_install_language_form( $languages );
echo '</form>';
break;
}
// Deliberately fall through if we can't reach the translations API.
case 1: // Step 1, direct link or from language chooser.
if ( ! empty( $language ) ) {
$loaded_language = wp_download_language_pack( $language );
if ( $loaded_language ) {
load_default_textdomain( $loaded_language );
$GLOBALS['wp_locale'] = new WP_Locale();
}
}
display_header();
?>
<h1><?php _ex( 'Welcome', 'Howdy' ); ?></h1>
<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>
<h1><?php _e( 'Information needed' ); ?></h1>
<p><?php _e( 'Please provide the following information. Don&#8217;t worry, you can always change these settings later.' ); ?></p>
<?php
display_setup_form();
break;
case 2:
if ( ! empty( $language ) && load_default_textdomain( $language ) ) {
$loaded_language = $language;
$GLOBALS['wp_locale'] = new WP_Locale();
} else {
$loaded_language = 'en_US';
}
if ( ! empty( $wpdb->error ) )
wp_die( $wpdb->error->get_error_message() );
display_header();
// Fill in the data we gathered
$weblog_title = isset( $_POST['weblog_title'] ) ? trim( wp_unslash( $_POST['weblog_title'] ) ) : '';
$user_name = isset($_POST['user_name']) ? trim( wp_unslash( $_POST['user_name'] ) ) : '';
$admin_password = isset($_POST['admin_password']) ? wp_unslash( $_POST['admin_password'] ) : '';
$admin_password_check = isset($_POST['admin_password2']) ? wp_unslash( $_POST['admin_password2'] ) : '';
$admin_email = isset( $_POST['admin_email'] ) ?trim( wp_unslash( $_POST['admin_email'] ) ) : '';
$public = isset( $_POST['blog_public'] ) ? (int) $_POST['blog_public'] : 0;
// Check email address.
$error = false;
if ( empty( $user_name ) ) {
// TODO: poka-yoke
display_setup_form( __( 'Please provide a valid username.' ) );
$error = true;
} elseif ( $user_name != sanitize_user( $user_name, true ) ) {
display_setup_form( __( 'The username you provided has invalid characters.' ) );
$error = true;
} elseif ( $admin_password != $admin_password_check ) {
// TODO: poka-yoke
display_setup_form( __( 'Your passwords do not match. Please try again.' ) );
$error = true;
} elseif ( empty( $admin_email ) ) {
// TODO: poka-yoke
display_setup_form( __( 'You must provide an email address.' ) );
$error = true;
} elseif ( ! is_email( $admin_email ) ) {
// TODO: poka-yoke
display_setup_form( __( 'Sorry, that isn&#8217;t a valid email address. Email addresses look like <code>username@example.com</code>.' ) );
$error = true;
}
if ( $error === false ) {
$wpdb->show_errors();
$result = wp_install( $weblog_title, $user_name, $admin_email, $public, '', wp_slash( $admin_password ), $loaded_language );
?>
<h1><?php _e( 'Success!' ); ?></h1>
<p><?php _e( 'WordPress has been installed. Were you expecting more steps? Sorry to disappoint.' ); ?></p>
<table class="form-table install-success">
<tr>
<th><?php _e( 'Username' ); ?></th>
<td><?php echo esc_html( sanitize_user( $user_name, true ) ); ?></td>
</tr>
<tr>
<th><?php _e( 'Password' ); ?></th>
<td><?php
if ( ! empty( $result['password'] ) && empty( $admin_password_check ) ): ?>
<code><?php echo esc_html( $result['password'] ) ?></code><br />
<?php endif ?>
<p><?php echo $result['password_message'] ?></p>
</td>
</tr>
</table>
<p class="step"><a href="<?php echo esc_url( wp_login_url() ); ?>" class="button button-large"><?php _e( 'Log In' ); ?></a></p>
<?php
}
break;
}
if ( !wp_is_mobile() ) {
?>
<script type="text/javascript">var t = document.getElementById('weblog_title'); if (t){ t.focus(); }</script>
<?php } ?>
<?php wp_print_scripts( 'user-profile' ); ?>
<?php wp_print_scripts( 'language-chooser' ); ?>
<script type="text/javascript">
jQuery( function( $ ) {
$( '.hide-if-no-js' ).removeClass( 'hide-if-no-js' );
} );
</script>
</body>
</html>