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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="https://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( 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 install header.
53  *
54  * @since 2.5.0
55  */
56 function display_header( $body_classes = '' ) {
57         header( 'Content-Type: text/html; charset=utf-8' );
58         if ( is_rtl() ) {
59                 $body_classes .= 'rtl';
60         }
61         if ( $body_classes ) {
62                 $body_classes = ' ' . $body_classes;
63         }
64 ?>
65 <!DOCTYPE html>
66 <html xmlns="http://www.w3.org/1999/xhtml" <?php language_attributes(); ?>>
67 <head>
68         <meta name="viewport" content="width=device-width" />
69         <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
70         <title><?php _e( 'WordPress &rsaquo; Installation' ); ?></title>
71         <?php
72         wp_admin_css( 'install', true );
73         ?>
74 </head>
75 <body class="wp-core-ui<?php echo $body_classes ?>">
76 <h1 id="logo"><a href="<?php echo esc_url( __( 'https://wordpress.org/' ) ); ?>" tabindex="-1"><?php _e( 'WordPress' ); ?></a></h1>
77
78 <?php
79 } // end display_header()
80
81 /**
82  * Display installer setup form.
83  *
84  * @since 2.8.0
85  */
86 function display_setup_form( $error = null ) {
87         global $wpdb;
88
89         $sql = $wpdb->prepare( "SHOW TABLES LIKE %s", $wpdb->esc_like( $wpdb->users ) );
90         $user_table = ( $wpdb->get_var( $sql ) != null );
91
92         // Ensure that Blogs appear in search engines by default.
93         $blog_public = 1;
94         if ( isset( $_POST['weblog_title'] ) ) {
95                 $blog_public = isset( $_POST['blog_public'] );
96         }
97
98         $weblog_title = isset( $_POST['weblog_title'] ) ? trim( wp_unslash( $_POST['weblog_title'] ) ) : '';
99         $user_name = isset($_POST['user_name']) ? trim( wp_unslash( $_POST['user_name'] ) ) : '';
100         $admin_email  = isset( $_POST['admin_email']  ) ? trim( wp_unslash( $_POST['admin_email'] ) ) : '';
101
102         if ( ! is_null( $error ) ) {
103 ?>
104 <p class="message"><?php echo $error; ?></p>
105 <?php } ?>
106 <form id="setup" method="post" action="install.php?step=2" novalidate="novalidate">
107         <table class="form-table">
108                 <tr>
109                         <th scope="row"><label for="weblog_title"><?php _e( 'Site Title' ); ?></label></th>
110                         <td><input name="weblog_title" type="text" id="weblog_title" size="25" value="<?php echo esc_attr( $weblog_title ); ?>" /></td>
111                 </tr>
112                 <tr>
113                         <th scope="row"><label for="user_login"><?php _e('Username'); ?></label></th>
114                         <td>
115                         <?php
116                         if ( $user_table ) {
117                                 _e('User(s) already exists.');
118                                 echo '<input name="user_name" type="hidden" value="admin" />';
119                         } else {
120                                 ?><input name="user_name" type="text" id="user_login" size="25" value="<?php echo esc_attr( sanitize_user( $user_name, true ) ); ?>" />
121                                 <p><?php _e( 'Usernames can have only alphanumeric characters, spaces, underscores, hyphens, periods, and the @ symbol.' ); ?></p>
122                         <?php
123                         } ?>
124                         </td>
125                 </tr>
126                 <?php if ( ! $user_table ) : ?>
127                 <tr>
128                         <th scope="row">
129                                 <label for="pass1"><?php _e('Password, twice'); ?></label>
130                                 <p><?php _e('A password will be automatically generated for you if you leave this blank.'); ?></p>
131                         </th>
132                         <td>
133                                 <input name="admin_password" type="password" id="pass1" size="25" value="" />
134                                 <p><input name="admin_password2" type="password" id="pass2" size="25" value="" /></p>
135                                 <div id="pass-strength-result"><?php _e('Strength indicator'); ?></div>
136                                 <p><?php echo wp_get_password_hint(); ?></p>
137                         </td>
138                 </tr>
139                 <?php endif; ?>
140                 <tr>
141                         <th scope="row"><label for="admin_email"><?php _e( 'Your E-mail' ); ?></label></th>
142                         <td><input name="admin_email" type="email" id="admin_email" size="25" value="<?php echo esc_attr( $admin_email ); ?>" />
143                         <p><?php _e( 'Double-check your email address before continuing.' ); ?></p></td>
144                 </tr>
145                 <tr>
146                         <th scope="row"><?php _e( 'Privacy' ); ?></th>
147                         <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>
148                 </tr>
149         </table>
150         <p class="step"><input type="submit" name="Submit" value="<?php esc_attr_e( 'Install WordPress' ); ?>" class="button button-large" /></p>
151         <input type="hidden" name="language" value="<?php echo isset( $_REQUEST['language'] ) ? esc_attr( $_REQUEST['language'] ) : ''; ?>" />
152 </form>
153 <?php
154 } // end display_setup_form()
155
156 // Let's check to make sure WP isn't already installed.
157 if ( is_blog_installed() ) {
158         display_header();
159         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>' );
160 }
161
162 global $wp_version, $required_php_version, $required_mysql_version;
163
164 $php_version    = phpversion();
165 $mysql_version  = $wpdb->db_version();
166 $php_compat     = version_compare( $php_version, $required_php_version, '>=' );
167 $mysql_compat   = version_compare( $mysql_version, $required_mysql_version, '>=' ) || file_exists( WP_CONTENT_DIR . '/db.php' );
168
169 if ( !$mysql_compat && !$php_compat )
170         $compat = sprintf( __( 'You cannot install because <a href="https://codex.wordpress.org/Version_%1$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, $mysql_version );
171 elseif ( !$php_compat )
172         $compat = sprintf( __( 'You cannot install because <a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires PHP version %2$s or higher. You are running version %3$s.' ), $wp_version, $required_php_version, $php_version );
173 elseif ( !$mysql_compat )
174         $compat = sprintf( __( 'You cannot install because <a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires MySQL version %2$s or higher. You are running version %3$s.' ), $wp_version, $required_mysql_version, $mysql_version );
175
176 if ( !$mysql_compat || !$php_compat ) {
177         display_header();
178         die( '<h1>' . __( 'Insufficient Requirements' ) . '</h1><p>' . $compat . '</p></body></html>' );
179 }
180
181 if ( ! is_string( $wpdb->base_prefix ) || '' === $wpdb->base_prefix ) {
182         display_header();
183         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>' );
184 }
185
186 $language = '';
187 if ( ! empty( $_REQUEST['language'] ) ) {
188         $language = preg_replace( '/[^a-zA-Z_]/', '', $_REQUEST['language'] );
189 } elseif ( isset( $GLOBALS['wp_local_package'] ) ) {
190         $language = $GLOBALS['wp_local_package'];
191 }
192
193 switch($step) {
194         case 0: // Step 0
195
196                 if ( wp_can_install_language_pack() && empty( $language ) && ( $languages = wp_get_available_translations() ) ) {
197                         display_header( 'language-chooser' );
198                         echo '<form id="setup" method="post" action="?step=1">';
199                         wp_install_language_form( $languages );
200                         echo '</form>';
201                         break;
202                 }
203
204                 // Deliberately fall through if we can't reach the translations API.
205
206         case 1: // Step 1, direct link or from language chooser.
207                 if ( ! empty( $language ) ) {
208                         $loaded_language = wp_download_language_pack( $language );
209                         if ( $loaded_language ) {
210                                 load_default_textdomain( $loaded_language );
211                                 $GLOBALS['wp_locale'] = new WP_Locale();
212                         }
213                 }
214
215                 display_header();
216 ?>
217 <h1><?php _ex( 'Welcome', 'Howdy' ); ?></h1>
218 <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>
219
220 <h1><?php _e( 'Information needed' ); ?></h1>
221 <p><?php _e( 'Please provide the following information. Don&#8217;t worry, you can always change these settings later.' ); ?></p>
222
223 <?php
224                 display_setup_form();
225                 break;
226         case 2:
227                 if ( ! empty( $language ) && load_default_textdomain( $language ) ) {
228                         $loaded_language = $language;
229                         $GLOBALS['wp_locale'] = new WP_Locale();
230                 } else {
231                         $loaded_language = 'en_US';
232                 }
233
234                 if ( ! empty( $wpdb->error ) )
235                         wp_die( $wpdb->error->get_error_message() );
236
237                 display_header();
238                 // Fill in the data we gathered
239                 $weblog_title = isset( $_POST['weblog_title'] ) ? trim( wp_unslash( $_POST['weblog_title'] ) ) : '';
240                 $user_name = isset($_POST['user_name']) ? trim( wp_unslash( $_POST['user_name'] ) ) : '';
241                 $admin_password = isset($_POST['admin_password']) ? wp_unslash( $_POST['admin_password'] ) : '';
242                 $admin_password_check = isset($_POST['admin_password2']) ? wp_unslash( $_POST['admin_password2'] ) : '';
243                 $admin_email  = isset( $_POST['admin_email'] ) ?trim( wp_unslash( $_POST['admin_email'] ) ) : '';
244                 $public       = isset( $_POST['blog_public'] ) ? (int) $_POST['blog_public'] : 0;
245
246                 // Check e-mail address.
247                 $error = false;
248                 if ( empty( $user_name ) ) {
249                         // TODO: poka-yoke
250                         display_setup_form( __( 'Please provide a valid username.' ) );
251                         $error = true;
252                 } elseif ( $user_name != sanitize_user( $user_name, true ) ) {
253                         display_setup_form( __( 'The username you provided has invalid characters.' ) );
254                         $error = true;
255                 } elseif ( $admin_password != $admin_password_check ) {
256                         // TODO: poka-yoke
257                         display_setup_form( __( 'Your passwords do not match. Please try again.' ) );
258                         $error = true;
259                 } elseif ( empty( $admin_email ) ) {
260                         // TODO: poka-yoke
261                         display_setup_form( __( 'You must provide an email address.' ) );
262                         $error = true;
263                 } elseif ( ! is_email( $admin_email ) ) {
264                         // TODO: poka-yoke
265                         display_setup_form( __( 'Sorry, that isn&#8217;t a valid email address. Email addresses look like <code>username@example.com</code>.' ) );
266                         $error = true;
267                 }
268
269                 if ( $error === false ) {
270                         $wpdb->show_errors();
271                         $result = wp_install( $weblog_title, $user_name, $admin_email, $public, '', wp_slash( $admin_password ), $loaded_language );
272 ?>
273
274 <h1><?php _e( 'Success!' ); ?></h1>
275
276 <p><?php _e( 'WordPress has been installed. Were you expecting more steps? Sorry to disappoint.' ); ?></p>
277
278 <table class="form-table install-success">
279         <tr>
280                 <th><?php _e( 'Username' ); ?></th>
281                 <td><?php echo esc_html( sanitize_user( $user_name, true ) ); ?></td>
282         </tr>
283         <tr>
284                 <th><?php _e( 'Password' ); ?></th>
285                 <td><?php
286                 if ( ! empty( $result['password'] ) && empty( $admin_password_check ) ): ?>
287                         <code><?php echo esc_html( $result['password'] ) ?></code><br />
288                 <?php endif ?>
289                         <p><?php echo $result['password_message'] ?></p>
290                 </td>
291         </tr>
292 </table>
293
294 <p class="step"><a href="../wp-login.php" class="button button-large"><?php _e( 'Log In' ); ?></a></p>
295
296 <?php
297                 }
298                 break;
299 }
300 if ( !wp_is_mobile() ) {
301 ?>
302 <script type="text/javascript">var t = document.getElementById('weblog_title'); if (t){ t.focus(); }</script>
303 <?php } ?>
304 <?php wp_print_scripts( 'user-profile' ); ?>
305 <?php wp_print_scripts( 'language-chooser' ); ?>
306 </body>
307 </html>