setup-config.php 15.4 KB
Newer Older
Pham Huy committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454
<?php
/**
 * Retrieves and creates the wp-config.php file.
 *
 * The permissions for the base directory must allow for writing files in order
 * for the wp-config.php to be created using this page.
 *
 * @package WordPress
 * @subpackage Administration
 */

/**
 * We are installing.
 */
define( 'WP_INSTALLING', true );

/**
 * We are blissfully unaware of anything.
 */
define( 'WP_SETUP_CONFIG', true );

/**
 * Disable error reporting
 *
 * Set this to error_reporting( -1 ) for debugging
 */
error_reporting( 0 );

if ( ! defined( 'ABSPATH' ) ) {
	define( 'ABSPATH', dirname( dirname( __FILE__ ) ) . '/' );
}

require( ABSPATH . 'wp-settings.php' );

/** Load WordPress Administration Upgrade API */
require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );

/** Load WordPress Translation Installation API */
require_once( ABSPATH . 'wp-admin/includes/translation-install.php' );

nocache_headers();

// Support wp-config-sample.php one level up, for the develop repo.
if ( file_exists( ABSPATH . 'wp-config-sample.php' ) ) {
	$config_file = file( ABSPATH . 'wp-config-sample.php' );
} elseif ( file_exists( dirname( ABSPATH ) . '/wp-config-sample.php' ) ) {
	$config_file = file( dirname( ABSPATH ) . '/wp-config-sample.php' );
} else {
	wp_die(
		sprintf(
			/* translators: %s: wp-config-sample.php */
			__( 'Sorry, I need a %s file to work from. Please re-upload this file to your WordPress installation.' ),
			'<code>wp-config-sample.php</code>'
		)
	);
}

// Check if wp-config.php has been created
if ( file_exists( ABSPATH . 'wp-config.php' ) ) {
	wp_die(
		'<p>' . sprintf(
			/* translators: 1: wp-config.php, 2: install.php */
			__( 'The file %1$s already exists. If you need to reset any of the configuration items in this file, please delete it first. You may try <a href="%2$s">installing now</a>.' ),
			'<code>wp-config.php</code>',
			'install.php'
		) . '</p>'
	);
}

// Check if wp-config.php exists above the root directory but is not part of another installation
if ( @file_exists( ABSPATH . '../wp-config.php' ) && ! @file_exists( ABSPATH . '../wp-settings.php' ) ) {
	wp_die(
		'<p>' . sprintf(
			/* translators: 1: wp-config.php, 2: install.php */
			__( 'The file %1$s already exists one level above your WordPress installation. If you need to reset any of the configuration items in this file, please delete it first. You may try <a href="%2$s">installing now</a>.' ),
			'<code>wp-config.php</code>',
			'install.php'
		) . '</p>'
	);
}

$step = isset( $_GET['step'] ) ? (int) $_GET['step'] : -1;

/**
 * Display setup wp-config.php file header.
 *
 * @ignore
 * @since 2.3.0
 *
 * @global string    $wp_local_package
 * @global WP_Locale $wp_locale
 *
 * @param string|array $body_classes
 */
function setup_config_display_header( $body_classes = array() ) {
	$body_classes   = (array) $body_classes;
	$body_classes[] = 'wp-core-ui';
	$dir_attr       = '';
	if ( is_rtl() ) {
		$body_classes[] = 'rtl';
		$dir_attr       = ' dir="rtl"';
	}

	header( 'Content-Type: text/html; charset=utf-8' );
	?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"<?php echo $dir_attr; ?>>
<head>
	<meta name="viewport" content="width=device-width" />
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
	<meta name="robots" content="noindex,nofollow" />
	<title><?php _e( 'WordPress &rsaquo; Setup Configuration File' ); ?></title>
	<?php wp_admin_css( 'install', true ); ?>
</head>
<body class="<?php echo implode( ' ', $body_classes ); ?>">
<p id="logo"><a href="<?php echo esc_url( __( 'https://wordpress.org/' ) ); ?>"><?php _e( 'WordPress' ); ?></a></p>
	<?php
} // end function setup_config_display_header();

$language = '';
if ( ! empty( $_REQUEST['language'] ) ) {
	$language = preg_replace( '/[^a-zA-Z0-9_]/', '', $_REQUEST['language'] );
} elseif ( isset( $GLOBALS['wp_local_package'] ) ) {
	$language = $GLOBALS['wp_local_package'];
}

switch ( $step ) {
	case -1:
		if ( wp_can_install_language_pack() && empty( $language ) && ( $languages = wp_get_available_translations() ) ) {
			setup_config_display_header( 'language-chooser' );
			echo '<h1 class="screen-reader-text">Select a default language</h1>';
			echo '<form id="setup" method="post" action="?step=0">';
			wp_install_language_form( $languages );
			echo '</form>';
			break;
		}

		// Deliberately fall through if we can't reach the translations API.

	case 0:
		if ( ! empty( $language ) ) {
			$loaded_language = wp_download_language_pack( $language );
			if ( $loaded_language ) {
				load_default_textdomain( $loaded_language );
				$GLOBALS['wp_locale'] = new WP_Locale();
			}
		}

		setup_config_display_header();
		$step_1 = 'setup-config.php?step=1';
		if ( isset( $_REQUEST['noapi'] ) ) {
			$step_1 .= '&amp;noapi';
		}
		if ( ! empty( $loaded_language ) ) {
			$step_1 .= '&amp;language=' . $loaded_language;
		}
		?>
<h1 class="screen-reader-text"><?php _e( 'Before getting started' ); ?></h1>
<p><?php _e( 'Welcome to WordPress. Before getting started, we need some information on the database. You will need to know the following items before proceeding.' ); ?></p>
<ol>
	<li><?php _e( 'Database name' ); ?></li>
	<li><?php _e( 'Database username' ); ?></li>
	<li><?php _e( 'Database password' ); ?></li>
	<li><?php _e( 'Database host' ); ?></li>
	<li><?php _e( 'Table prefix (if you want to run more than one WordPress in a single database)' ); ?></li>
</ol>
<p>
		<?php
		/* translators: %s: wp-config.php */
		printf(
			__( 'We&#8217;re going to use this information to create a %s file.' ),
			'<code>wp-config.php</code>'
		);
		?>
	<strong>
		<?php
		/* translators: 1: wp-config-sample.php, 2: wp-config.php */
		printf(
			__( 'If for any reason this automatic file creation doesn&#8217;t work, don&#8217;t worry. All this does is fill in the database information to a configuration file. You may also simply open %1$s in a text editor, fill in your information, and save it as %2$s.' ),
			'<code>wp-config-sample.php</code>',
			'<code>wp-config.php</code>'
		);
		?>
	</strong>
		<?php
		/* translators: %s: Codex URL */
		printf(
			__( 'Need more help? <a href="%s">We got it</a>.' ),
			__( 'https://codex.wordpress.org/Editing_wp-config.php' )
		);
		?>
</p>
<p><?php _e( 'In all likelihood, these items were supplied to you by your Web Host. If you don&#8217;t have this information, then you will need to contact them before you can continue. If you&#8217;re all ready&hellip;' ); ?></p>

<p class="step"><a href="<?php echo $step_1; ?>" class="button button-large"><?php _e( 'Let&#8217;s go!' ); ?></a></p>
		<?php
		break;

	case 1:
		load_default_textdomain( $language );
		$GLOBALS['wp_locale'] = new WP_Locale();

		setup_config_display_header();

		$autofocus = wp_is_mobile() ? '' : ' autofocus';
		?>
<h1 class="screen-reader-text"><?php _e( 'Set up your database connection' ); ?></h1>
<form method="post" action="setup-config.php?step=2">
	<p><?php _e( 'Below you should enter your database connection details. If you&#8217;re not sure about these, contact your host.' ); ?></p>
	<table class="form-table" role="presentation">
		<tr>
			<th scope="row"><label for="dbname"><?php _e( 'Database Name' ); ?></label></th>
			<td><input name="dbname" id="dbname" type="text" aria-describedby="dbname-desc" size="25" value="wordpress"<?php echo $autofocus; ?>/></td>
			<td id="dbname-desc"><?php _e( 'The name of the database you want to use with WordPress.' ); ?></td>
		</tr>
		<tr>
			<th scope="row"><label for="uname"><?php _e( 'Username' ); ?></label></th>
			<td><input name="uname" id="uname" type="text" aria-describedby="uname-desc" size="25" value="<?php echo htmlspecialchars( _x( 'username', 'example username' ), ENT_QUOTES ); ?>" /></td>
			<td id="uname-desc"><?php _e( 'Your database username.' ); ?></td>
		</tr>
		<tr>
			<th scope="row"><label for="pwd"><?php _e( 'Password' ); ?></label></th>
			<td><input name="pwd" id="pwd" type="text" aria-describedby="pwd-desc" size="25" value="<?php echo htmlspecialchars( _x( 'password', 'example password' ), ENT_QUOTES ); ?>" autocomplete="off" /></td>
			<td id="pwd-desc"><?php _e( 'Your database password.' ); ?></td>
		</tr>
		<tr>
			<th scope="row"><label for="dbhost"><?php _e( 'Database Host' ); ?></label></th>
			<td><input name="dbhost" id="dbhost" type="text" aria-describedby="dbhost-desc" size="25" value="localhost" /></td>
			<td id="dbhost-desc">
			<?php
				/* translators: %s: localhost */
				printf( __( 'You should be able to get this info from your web host, if %s doesn&#8217;t work.' ), '<code>localhost</code>' );
			?>
			</td>
		</tr>
		<tr>
			<th scope="row"><label for="prefix"><?php _e( 'Table Prefix' ); ?></label></th>
			<td><input name="prefix" id="prefix" type="text" aria-describedby="prefix-desc" value="wp_" size="25" /></td>
			<td id="prefix-desc"><?php _e( 'If you want to run multiple WordPress installations in a single database, change this.' ); ?></td>
		</tr>
	</table>
		<?php
		if ( isset( $_GET['noapi'] ) ) {
			?>
<input name="noapi" type="hidden" value="1" /><?php } ?>
	<input type="hidden" name="language" value="<?php echo esc_attr( $language ); ?>" />
	<p class="step"><input name="submit" type="submit" value="<?php echo htmlspecialchars( __( 'Submit' ), ENT_QUOTES ); ?>" class="button button-large" /></p>
</form>
		<?php
		break;

	case 2:
		load_default_textdomain( $language );
		$GLOBALS['wp_locale'] = new WP_Locale();

		$dbname = trim( wp_unslash( $_POST['dbname'] ) );
		$uname  = trim( wp_unslash( $_POST['uname'] ) );
		$pwd    = trim( wp_unslash( $_POST['pwd'] ) );
		$dbhost = trim( wp_unslash( $_POST['dbhost'] ) );
		$prefix = trim( wp_unslash( $_POST['prefix'] ) );

		$step_1  = 'setup-config.php?step=1';
		$install = 'install.php';
		if ( isset( $_REQUEST['noapi'] ) ) {
			$step_1 .= '&amp;noapi';
		}

		if ( ! empty( $language ) ) {
			$step_1  .= '&amp;language=' . $language;
			$install .= '?language=' . $language;
		} else {
			$install .= '?language=en_US';
		}

		$tryagain_link = '</p><p class="step"><a href="' . $step_1 . '" onclick="javascript:history.go(-1);return false;" class="button button-large">' . __( 'Try again' ) . '</a>';

		if ( empty( $prefix ) ) {
			wp_die( __( '<strong>ERROR</strong>: "Table Prefix" must not be empty.' ) . $tryagain_link );
		}

		// Validate $prefix: it can only contain letters, numbers and underscores.
		if ( preg_match( '|[^a-z0-9_]|i', $prefix ) ) {
			wp_die( __( '<strong>ERROR</strong>: "Table Prefix" can only contain numbers, letters, and underscores.' ) . $tryagain_link );
		}

		// Test the db connection.
		/**#@+
		 *
		 * @ignore
		 */
		define( 'DB_NAME', $dbname );
		define( 'DB_USER', $uname );
		define( 'DB_PASSWORD', $pwd );
		define( 'DB_HOST', $dbhost );
		/**#@-*/

		// Re-construct $wpdb with these new values.
		unset( $wpdb );
		require_wp_db();

		/*
		* The wpdb constructor bails when WP_SETUP_CONFIG is set, so we must
		* fire this manually. We'll fail here if the values are no good.
		*/
		$wpdb->db_connect();

		if ( ! empty( $wpdb->error ) ) {
			wp_die( $wpdb->error->get_error_message() . $tryagain_link );
		}

		$errors = $wpdb->hide_errors();
		$wpdb->query( "SELECT $prefix" );
		$wpdb->show_errors( $errors );
		if ( ! $wpdb->last_error ) {
			// MySQL was able to parse the prefix as a value, which we don't want. Bail.
			wp_die( __( '<strong>ERROR</strong>: "Table Prefix" is invalid.' ) );
		}

		// Generate keys and salts using secure CSPRNG; fallback to API if enabled; further fallback to original wp_generate_password().
		try {
			$chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*()-_ []{}<>~`+=,.;:/?|';
			$max   = strlen( $chars ) - 1;
			for ( $i = 0; $i < 8; $i++ ) {
				$key = '';
				for ( $j = 0; $j < 64; $j++ ) {
					$key .= substr( $chars, random_int( 0, $max ), 1 );
				}
				$secret_keys[] = $key;
			}
		} catch ( Exception $ex ) {
			$no_api = isset( $_POST['noapi'] );

			if ( ! $no_api ) {
				$secret_keys = wp_remote_get( 'https://api.wordpress.org/secret-key/1.1/salt/' );
			}

			if ( $no_api || is_wp_error( $secret_keys ) ) {
				$secret_keys = array();
				for ( $i = 0; $i < 8; $i++ ) {
					$secret_keys[] = wp_generate_password( 64, true, true );
				}
			} else {
				$secret_keys = explode( "\n", wp_remote_retrieve_body( $secret_keys ) );
				foreach ( $secret_keys as $k => $v ) {
					$secret_keys[ $k ] = substr( $v, 28, 64 );
				}
			}
		}

		$key = 0;
		foreach ( $config_file as $line_num => $line ) {
			if ( '$table_prefix =' == substr( $line, 0, 15 ) ) {
				$config_file[ $line_num ] = '$table_prefix = \'' . addcslashes( $prefix, "\\'" ) . "';\r\n";
				continue;
			}

			if ( ! preg_match( '/^define\(\s*\'([A-Z_]+)\',([ ]+)/', $line, $match ) ) {
				continue;
			}

			$constant = $match[1];
			$padding  = $match[2];

			switch ( $constant ) {
				case 'DB_NAME':
				case 'DB_USER':
				case 'DB_PASSWORD':
				case 'DB_HOST':
					$config_file[ $line_num ] = "define( '" . $constant . "'," . $padding . "'" . addcslashes( constant( $constant ), "\\'" ) . "' );\r\n";
					break;
				case 'DB_CHARSET':
					if ( 'utf8mb4' === $wpdb->charset || ( ! $wpdb->charset && $wpdb->has_cap( 'utf8mb4' ) ) ) {
						$config_file[ $line_num ] = "define( '" . $constant . "'," . $padding . "'utf8mb4' );\r\n";
					}
					break;
				case 'AUTH_KEY':
				case 'SECURE_AUTH_KEY':
				case 'LOGGED_IN_KEY':
				case 'NONCE_KEY':
				case 'AUTH_SALT':
				case 'SECURE_AUTH_SALT':
				case 'LOGGED_IN_SALT':
				case 'NONCE_SALT':
					$config_file[ $line_num ] = "define( '" . $constant . "'," . $padding . "'" . $secret_keys[ $key++ ] . "' );\r\n";
					break;
			}
		}
		unset( $line );

		if ( ! is_writable( ABSPATH ) ) :
			setup_config_display_header();
			?>
	<p>
			<?php
			/* translators: %s: wp-config.php */
			printf( __( 'Sorry, but I can&#8217;t write the %s file.' ), '<code>wp-config.php</code>' );
			?>
</p>
<p>
			<?php
			/* translators: %s: wp-config.php */
			printf( __( 'You can create the %s file manually and paste the following text into it.' ), '<code>wp-config.php</code>' );

			$config_text = '';

			foreach ( $config_file as $line ) {
				$config_text .= htmlentities( $line, ENT_COMPAT, 'UTF-8' );
			}
			?>
</p>
<textarea id="wp-config" cols="98" rows="15" class="code" readonly="readonly"><?php echo $config_text; ?></textarea>
<p><?php _e( 'After you&#8217;ve done that, click &#8220;Run the installation.&#8221;' ); ?></p>
<p class="step"><a href="<?php echo $install; ?>" class="button button-large"><?php _e( 'Run the installation' ); ?></a></p>
<script>
(function(){
if ( ! /iPad|iPod|iPhone/.test( navigator.userAgent ) ) {
	var el = document.getElementById('wp-config');
	el.focus();
	el.select();
}
})();
</script>
			<?php
	else :
		/*
		 * If this file doesn't exist, then we are using the wp-config-sample.php
		 * file one level up, which is for the develop repo.
		 */
		if ( file_exists( ABSPATH . 'wp-config-sample.php' ) ) {
			$path_to_wp_config = ABSPATH . 'wp-config.php';
		} else {
			$path_to_wp_config = dirname( ABSPATH ) . '/wp-config.php';
		}

		$handle = fopen( $path_to_wp_config, 'w' );
		foreach ( $config_file as $line ) {
			fwrite( $handle, $line );
		}
		fclose( $handle );
		chmod( $path_to_wp_config, 0666 );
		setup_config_display_header();
		?>
<h1 class="screen-reader-text"><?php _e( 'Successful database connection' ); ?></h1>
<p><?php _e( 'All right, sparky! You&#8217;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>

<p class="step"><a href="<?php echo $install; ?>" class="button button-large"><?php _e( 'Run the installation' ); ?></a></p>
		<?php
	endif;
		break;
}
?>
<?php wp_print_scripts( 'language-chooser' ); ?>
</body>
</html>