/**
* Modify the WordPress configuration file and change the keys that were defined
* by a new random-generated list of keys retrieved from the official WordPress
* API. The result of the operation will be either FALSE in case of error, or an
* array containing multiple indexes explaining the modification, among them you
* will find the old and new keys.
*
* @return false|array Either FALSE in case of error, or an array with the old and new keys.
*/
public static function set_new_config_keys()
{
$new_wpconfig = '';
$config_path = self::get_wpconfig_path();
if ($config_path) {
$pattern = self::secret_key_pattern();
$define_tpl = "define('%s',%s'%s');";
$config_lines = SucuriScanFileInfo::file_lines($config_path);
$new_keys = SucuriScanAPI::getNewSecretKeys();
$old_keys = array();
$old_keys_string = '';
$new_keys_string = '';
foreach ((array) $config_lines as $config_line) {
if (preg_match($pattern, $config_line, $match)) {
$key_name = $match[1];
if (array_key_exists($key_name, $new_keys)) {
$white_spaces = $match[2];
$old_keys[$key_name] = $match[3];
$config_line = sprintf($define_tpl, $key_name, $white_spaces, $new_keys[$key_name]);
$old_keys_string .= sprintf($define_tpl, $key_name, $white_spaces, $old_keys[$key_name]) . "\n";
$new_keys_string .= $config_line . "\n";
}
}
$new_wpconfig .= $config_line . "\n";
}
$response = array('updated' => is_writable($config_path), 'old_keys' => $old_keys, 'old_keys_string' => $old_keys_string, 'new_keys' => $new_keys, 'new_keys_string' => $new_keys_string, 'new_wpconfig' => $new_wpconfig);
if ($response['updated']) {
file_put_contents($config_path, $new_wpconfig, LOCK_EX);
}
return $response;
}
return false;
}
