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<?php
/**
* Class used to update and edit and update the wp-config.php
*
* Standard: PSR-2
* @link http://www.php-fig.org/psr/psr-2 Full Documentation
*
* @package SC\DUPX\WPConfig
*
*/
class DUPX_WPConfig
{
/**
* Updates the web server config files in Step 3
*
* @return null
*/
public static function updateStandard()
{
if (!file_exists('wp-config.php'))
return;
$root_path = DUPX_U::setSafePath($GLOBALS['CURRENT_ROOT_PATH']);
$wpconfig = @file_get_contents('wp-config.php', true);
$db_port = is_int($_POST['dbport']) ? $_POST['dbport'] : 3306;
$db_host = ($db_port == 3306) ? $_POST['dbhost'] : "{$_POST['dbhost']}:{$db_port}";
$db_name = isset($_POST['dbname']) ? DUPX_U::safeQuote($_POST['dbname']) : null;
$db_user = isset($_POST['dbuser']) ? DUPX_U::safeQuote($_POST['dbuser']) : null;
$db_pass = isset($_POST['dbpass']) ? DUPX_U::safeQuote($_POST['dbpass']) : null;
$patterns = array(
"/'DB_NAME',\s*'.*?'/",
"/'DB_USER',\s*'.*?'/",
"/'DB_PASSWORD',\s*'.*?'/",
"/'DB_HOST',\s*'.*?'/"
);
$replace = array(
"'DB_NAME', " . "'{$db_name}'",
"'DB_USER', " . "'{$db_user}'",
"'DB_PASSWORD', " . "'{$db_pass}'",
"'DB_HOST', " . "'{$db_host}'"
);
//SSL CHECKS
if ($_POST['ssl_admin']) {
if (!strstr($wpconfig, 'FORCE_SSL_ADMIN')) {
$wpconfig = $wpconfig.PHP_EOL."define('FORCE_SSL_ADMIN', true);";
}
} else {
array_push($patterns, "/'FORCE_SSL_ADMIN',\s*true/");
array_push($replace, "'FORCE_SSL_ADMIN', false");
}
//CACHE CHECKS
if ($_POST['cache_wp']) {
if (!strstr($wpconfig, 'WP_CACHE')) {
$wpconfig = $wpconfig.PHP_EOL."define('WP_CACHE', true);";
}
} else {
array_push($patterns, "/'WP_CACHE',\s*true/");
array_push($replace, "'WP_CACHE', false");
}
if (!$_POST['cache_path']) {
array_push($patterns, "/'WPCACHEHOME',\s*'.*?'/");
array_push($replace, "'WPCACHEHOME', ''");
}
if (!is_writable("{$root_path}/wp-config.php")) {
if (file_exists("{$root_path}/wp-config.php")) {
chmod("{$root_path}/wp-config.php", 0644) ? DUPX_Log::info('File Permission Update: wp-config.php set to 0644') : DUPX_Log::info('WARNING: Unable to update file permissions and write to wp-config.php. Please visit the online FAQ for setting file permissions and work with your hosting provider or server administrator to enable this installer.php script to write to the wp-config.php file.');
} else {
DUPX_Log::info('WARNING: Unable to locate wp-config.php file. Be sure the file is present in your archive.');
}
}
$replace = array_map('self::customEscape', $replace);
$wpconfig = preg_replace($patterns, $replace, $wpconfig);
file_put_contents('wp-config.php', $wpconfig);
$wpconfig = null;
}
/**
* Updates the web server config files in Step 3
*
* @return null
*/
public static function updateExtended()
{
$config_file = '';
if (!file_exists('wp-config.php')) {
return $config_file;
}
$root_path = DUPX_U::setSafePath($GLOBALS['CURRENT_ROOT_PATH']);
$wpconfig_path = "{$root_path}/wp-config.php";
$config_file = @file_get_contents($wpconfig_path, true);
$patterns = array(
"/('|\")WP_HOME.*?\)\s*;/",
"/('|\")WP_SITEURL.*?\)\s*;/");
$replace = array(
"'WP_HOME', '{$_POST['url_new']}');",
"'WP_SITEURL', '{$_POST['url_new']}');");
//Not sure how well tokenParser works on all servers so only using for not critical constants at this point.
//$count checks for dynamic variable types such as: define('WP_TEMP_DIR', 'D:/' . $var . 'somepath/');
//which should not be updated.
$defines = self::tokenParser($wpconfig_path);
//WP_CONTENT_DIR
if (isset($defines['WP_CONTENT_DIR'])) {
$val = str_replace($_POST['path_old'], $_POST['path_new'], DUPX_U::setSafePath($defines['WP_CONTENT_DIR']), $count);
if ($count > 0) {
array_push($patterns, "/('|\")WP_CONTENT_DIR.*?\)\s*;/");
array_push($replace, "'WP_CONTENT_DIR', '{$val}');");
}
}
//WP_CONTENT_URL
if (isset($defines['WP_CONTENT_URL'])) {
$val = str_replace($_POST['url_old'] . '/', $_POST['url_new'] . '/', $defines['WP_CONTENT_URL'], $count);
if ($count > 0) {
array_push($patterns, "/('|\")WP_CONTENT_URL.*?\)\s*;/");
array_push($replace, "'WP_CONTENT_URL', '{$val}');");
}
}
//WP_TEMP_DIR
if (isset($defines['WP_TEMP_DIR'])) {
$val = str_replace($_POST['path_old'], $_POST['path_new'], DUPX_U::setSafePath($defines['WP_TEMP_DIR']) , $count);
if ($count > 0) {
array_push($patterns, "/('|\")WP_TEMP_DIR.*?\)\s*;/");
array_push($replace, "'WP_TEMP_DIR', '{$val}');");
}
}
//DOMAIN_CURRENT_SITE
if (isset($defines['DOMAIN_CURRENT_SITE'])) {
$mu_newDomainHost = parse_url($_POST['url_new'], PHP_URL_HOST);
array_push($patterns, "/('|\")DOMAIN_CURRENT_SITE.*?\)\s*;/");
array_push($replace, "'DOMAIN_CURRENT_SITE', '{$mu_newDomainHost}');");
}
//PATH_CURRENT_SITE
if (isset($defines['PATH_CURRENT_SITE'])) {
$mu_newUrlPath = parse_url($_POST['url_new'], PHP_URL_PATH);
array_push($patterns, "/('|\")PATH_CURRENT_SITE.*?\)\s*;/");
array_push($replace, "'PATH_CURRENT_SITE', '{$mu_newUrlPath}');");
}
$config_file = preg_replace($patterns, $replace, $config_file);
file_put_contents($wpconfig_path, $config_file);
$config_file = file_get_contents($wpconfig_path, true);
return $config_file;
}
/**
* Used to parse the wp-config.php file
*
* @return null
*/
public static function tokenParser($wpconfig_path)
{
$defines = array();
$wpconfig_file = @file_get_contents($wpconfig_path);
if (!function_exists('token_get_all')) {
DUPX_Log::info("\nNOTICE: PHP function 'token_get_all' does not exist so skipping WP_CONTENT_DIR and WP_CONTENT_URL processing.");
return $defines;
}
if ($wpconfig_file === false) {
return $defines;
}
$defines = array();
$tokens = token_get_all($wpconfig_file);
$token = reset($tokens);
while ($token) {
if (is_array($token)) {
if ($token[0] == T_WHITESPACE || $token[0] == T_COMMENT || $token[0] == T_DOC_COMMENT) {
// do nothing
} else if ($token[0] == T_STRING && strtolower($token[1]) == 'define') {
$state = 1;
} else if ($state == 2 && self::isConstant($token[0])) {
$key = $token[1];
$state = 3;
} else if ($state == 4 && self::isConstant($token[0])) {
$value = $token[1];
$state = 5;
}
} else {
$symbol = trim($token);
if ($symbol == '(' && $state == 1) {
$state = 2;
} else if ($symbol == ',' && $state == 3) {
$state = 4;
} else if ($symbol == ')' && $state == 5) {
$defines[self::tokenStrip($key)] = self::tokenStrip($value);
$state = 0;
}
}
$token = next($tokens);
}
return $defines;
}
private static function tokenStrip($value)
{
return preg_replace('!^([\'"])(.*)\1$!', '$2', $value);
}
private static function customEscape($str)
{
return str_replace('\\', '\\\\', $str);
}
private static function isConstant($token)
{
return $token == T_CONSTANT_ENCAPSED_STRING || $token == T_STRING || $token == T_LNUMBER || $token == T_DNUMBER;
}
}
?>