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1054 lines
29 KiB
1054 lines
29 KiB
<?php |
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declare(strict_types=1); |
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namespace PhpMyAdmin; |
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use PhpMyAdmin\Http\ServerRequest; |
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use Symfony\Component\Config\FileLocator; |
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use Symfony\Component\DependencyInjection\ContainerBuilder; |
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use Symfony\Component\DependencyInjection\Loader\PhpFileLoader; |
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|
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use function __; |
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use function array_keys; |
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use function array_pop; |
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use function array_walk_recursive; |
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use function chr; |
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use function count; |
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use function defined; |
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use function explode; |
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use function filter_var; |
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use function function_exists; |
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use function getenv; |
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use function gmdate; |
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use function hash_equals; |
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use function hash_hmac; |
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use function header; |
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use function header_remove; |
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use function htmlspecialchars; |
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use function http_build_query; |
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use function in_array; |
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use function intval; |
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use function is_array; |
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use function is_string; |
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use function json_decode; |
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use function json_encode; |
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use function mb_strlen; |
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use function mb_strpos; |
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use function mb_substr; |
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use function parse_str; |
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use function parse_url; |
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use function preg_match; |
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use function preg_replace; |
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use function session_write_close; |
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use function sprintf; |
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use function str_contains; |
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use function str_replace; |
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use function strlen; |
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use function strpos; |
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use function strtolower; |
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use function strtr; |
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use function substr; |
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use function trigger_error; |
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use function unserialize; |
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use function urldecode; |
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use function vsprintf; |
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use const DATE_RFC1123; |
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use const E_USER_ERROR; |
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use const E_USER_WARNING; |
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use const FILTER_VALIDATE_IP; |
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|
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/** |
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* Core functions used all over the scripts. |
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*/ |
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class Core |
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{ |
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/** |
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* Removes insecure parts in a path; used before include() or |
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* require() when a part of the path comes from an insecure source |
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* like a cookie or form. |
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* |
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* @param string $path The path to check |
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*/ |
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public static function securePath(string $path): string |
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{ |
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// change .. to . |
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return (string) preg_replace('@\.\.*@', '.', $path); |
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} |
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|
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/** |
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* displays the given error message on phpMyAdmin error page in foreign language, |
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* ends script execution and closes session |
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* |
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* loads language file if not loaded already |
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* |
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* @param string $error_message the error message or named error message |
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* @param string|array $message_args arguments applied to $error_message |
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*/ |
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public static function fatalError( |
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string $error_message, |
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$message_args = null |
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): void { |
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global $dbi; |
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|
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/* Use format string if applicable */ |
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if (is_string($message_args)) { |
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$error_message = sprintf($error_message, $message_args); |
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} elseif (is_array($message_args)) { |
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$error_message = vsprintf($error_message, $message_args); |
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} |
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|
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/* |
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* Avoid using Response class as config does not have to be loaded yet |
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* (this can happen on early fatal error) |
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*/ |
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if ( |
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isset($dbi, $GLOBALS['config']) |
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&& $GLOBALS['config']->get('is_setup') === false |
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&& ResponseRenderer::getInstance()->isAjax() |
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) { |
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$response = ResponseRenderer::getInstance(); |
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$response->setRequestStatus(false); |
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$response->addJSON('message', Message::error($error_message)); |
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if (! defined('TESTSUITE')) { |
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exit; |
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} |
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return; |
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} |
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if (! empty($_REQUEST['ajax_request'])) { |
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// Generate JSON manually |
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self::headerJSON(); |
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echo json_encode( |
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[ |
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'success' => false, |
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'message' => Message::error($error_message)->getDisplay(), |
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] |
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); |
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|
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if (! defined('TESTSUITE')) { |
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exit; |
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} |
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return; |
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} |
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$error_message = strtr($error_message, ['<br>' => '[br]']); |
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$template = new Template(); |
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|
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echo $template->render('error/generic', [ |
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'lang' => $GLOBALS['lang'] ?? 'en', |
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'dir' => $GLOBALS['text_dir'] ?? 'ltr', |
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'error_message' => Sanitize::sanitizeMessage($error_message), |
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]); |
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if (! defined('TESTSUITE')) { |
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exit; |
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} |
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} |
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/** |
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* Returns a link to the PHP documentation |
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* |
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* @param string $target anchor in documentation |
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* |
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* @return string the URL |
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*/ |
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public static function getPHPDocLink(string $target): string |
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{ |
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/* List of PHP documentation translations */ |
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$php_doc_languages = [ |
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'pt_BR', |
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'zh', |
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'fr', |
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'de', |
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'ja', |
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'ru', |
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'es', |
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'tr', |
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]; |
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$lang = 'en'; |
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if (isset($GLOBALS['lang']) && in_array($GLOBALS['lang'], $php_doc_languages)) { |
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$lang = $GLOBALS['lang']; |
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} |
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return self::linkURL('https://www.php.net/manual/' . $lang . '/' . $target); |
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} |
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/** |
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* Warn or fail on missing extension. |
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* |
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* @param string $extension Extension name |
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* @param bool $fatal Whether the error is fatal. |
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* @param string $extra Extra string to append to message. |
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*/ |
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public static function warnMissingExtension( |
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string $extension, |
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bool $fatal = false, |
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string $extra = '' |
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): void { |
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global $errorHandler; |
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$message = 'The %s extension is missing. Please check your PHP configuration.'; |
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|
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/* Gettext does not have to be loaded yet here */ |
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if (function_exists('__')) { |
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$message = __('The %s extension is missing. Please check your PHP configuration.'); |
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} |
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$doclink = self::getPHPDocLink('book.' . $extension . '.php'); |
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$message = sprintf($message, '[a@' . $doclink . '@Documentation][em]' . $extension . '[/em][/a]'); |
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if ($extra != '') { |
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$message .= ' ' . $extra; |
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} |
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if ($fatal) { |
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self::fatalError($message); |
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return; |
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} |
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$errorHandler->addError($message, E_USER_WARNING, '', 0, false); |
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} |
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/** |
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* returns count of tables in given db |
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* |
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* @param string $db database to count tables for |
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* |
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* @return int count of tables in $db |
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*/ |
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public static function getTableCount(string $db): int |
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{ |
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global $dbi; |
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$tables = $dbi->tryQuery('SHOW TABLES FROM ' . Util::backquote($db) . ';'); |
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if ($tables) { |
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return $tables->numRows(); |
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} |
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return 0; |
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} |
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/** |
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* Converts numbers like 10M into bytes |
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* Used with permission from Moodle (https://moodle.org) by Martin Dougiamas |
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* (renamed with PMA prefix to avoid double definition when embedded |
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* in Moodle) |
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* |
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* @param string|int $size size (Default = 0) |
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*/ |
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public static function getRealSize($size = 0): int |
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{ |
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if (! $size) { |
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return 0; |
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} |
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$binaryprefixes = [ |
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'T' => 1099511627776, |
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't' => 1099511627776, |
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'G' => 1073741824, |
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'g' => 1073741824, |
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'M' => 1048576, |
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'm' => 1048576, |
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'K' => 1024, |
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'k' => 1024, |
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]; |
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if (preg_match('/^([0-9]+)([KMGT])/i', (string) $size, $matches)) { |
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return (int) ($matches[1] * $binaryprefixes[$matches[2]]); |
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} |
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return (int) $size; |
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} |
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/** |
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* Checks given $page against given $allowList and returns true if valid |
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* it optionally ignores query parameters in $page (script.php?ignored) |
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* |
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* @param string $page page to check |
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* @param array $allowList allow list to check page against |
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* @param bool $include whether the page is going to be included |
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*/ |
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public static function checkPageValidity(&$page, array $allowList = [], $include = false): bool |
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{ |
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if (empty($allowList)) { |
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$allowList = ['index.php']; |
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} |
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if (empty($page)) { |
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return false; |
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} |
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if (in_array($page, $allowList)) { |
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return true; |
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} |
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if ($include) { |
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return false; |
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} |
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$_page = mb_substr( |
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$page, |
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0, |
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(int) mb_strpos($page . '?', '?') |
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); |
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if (in_array($_page, $allowList)) { |
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return true; |
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} |
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$_page = urldecode($page); |
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$_page = mb_substr( |
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$_page, |
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0, |
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(int) mb_strpos($_page . '?', '?') |
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); |
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return in_array($_page, $allowList); |
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} |
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/** |
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* tries to find the value for the given environment variable name |
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* |
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* searches in $_SERVER, $_ENV then tries getenv() and apache_getenv() |
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* in this order |
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* |
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* @param string $var_name variable name |
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* |
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* @return string value of $var or empty string |
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*/ |
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public static function getenv(string $var_name): string |
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{ |
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if (isset($_SERVER[$var_name])) { |
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return (string) $_SERVER[$var_name]; |
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} |
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if (isset($_ENV[$var_name])) { |
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return (string) $_ENV[$var_name]; |
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} |
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if (getenv($var_name)) { |
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return (string) getenv($var_name); |
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} |
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if (function_exists('apache_getenv') && apache_getenv($var_name, true)) { |
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return (string) apache_getenv($var_name, true); |
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} |
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return ''; |
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} |
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|
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/** |
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* Send HTTP header, taking IIS limits into account (600 seems ok) |
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* |
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* @param string $uri the header to send |
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* @param bool $use_refresh whether to use Refresh: header when running on IIS |
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*/ |
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public static function sendHeaderLocation(string $uri, bool $use_refresh = false): void |
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{ |
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if ($GLOBALS['config']->get('PMA_IS_IIS') && mb_strlen($uri) > 600) { |
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ResponseRenderer::getInstance()->disable(); |
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$template = new Template(); |
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echo $template->render('header_location', ['uri' => $uri]); |
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return; |
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} |
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|
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/* |
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* Avoid relative path redirect problems in case user entered URL |
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* like /phpmyadmin/index.php/ which some web servers happily accept. |
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*/ |
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if ($uri[0] === '.') { |
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$uri = $GLOBALS['config']->getRootPath() . substr($uri, 2); |
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} |
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$response = ResponseRenderer::getInstance(); |
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session_write_close(); |
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if ($response->headersSent()) { |
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trigger_error('Core::sendHeaderLocation called when headers are already sent!', E_USER_ERROR); |
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} |
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// bug #1523784: IE6 does not like 'Refresh: 0', it |
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// results in a blank page |
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// but we need it when coming from the cookie login panel) |
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if ($GLOBALS['config']->get('PMA_IS_IIS') && $use_refresh) { |
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$response->header('Refresh: 0; ' . $uri); |
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return; |
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} |
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$response->header('Location: ' . $uri); |
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} |
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/** |
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* Outputs application/json headers. This includes no caching. |
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*/ |
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public static function headerJSON(): void |
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{ |
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if (defined('TESTSUITE')) { |
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return; |
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} |
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// No caching |
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$headers = self::getNoCacheHeaders(); |
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// Media type |
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$headers['Content-Type'] = 'application/json; charset=UTF-8'; |
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|
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/** |
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* Disable content sniffing in browser. |
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* This is needed in case we include HTML in JSON, browser might assume it's html to display. |
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*/ |
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$headers['X-Content-Type-Options'] = 'nosniff'; |
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foreach ($headers as $name => $value) { |
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header(sprintf('%s: %s', $name, $value)); |
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} |
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} |
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/** |
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* Outputs headers to prevent caching in browser (and on the way). |
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*/ |
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public static function noCacheHeader(): void |
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{ |
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if (defined('TESTSUITE')) { |
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return; |
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} |
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|
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$headers = self::getNoCacheHeaders(); |
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|
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foreach ($headers as $name => $value) { |
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header(sprintf('%s: %s', $name, $value)); |
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} |
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} |
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|
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/** |
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* @return array<string, string> |
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*/ |
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public static function getNoCacheHeaders(): array |
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{ |
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$headers = []; |
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$date = (string) gmdate(DATE_RFC1123); |
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// rfc2616 - Section 14.21 |
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$headers['Expires'] = $date; |
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// HTTP/1.1 |
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$headers['Cache-Control'] = 'no-store, no-cache, must-revalidate, pre-check=0, post-check=0, max-age=0'; |
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// HTTP/1.0 |
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$headers['Pragma'] = 'no-cache'; |
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// test case: exporting a database into a .gz file with Safari |
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// would produce files not having the current time |
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// (added this header for Safari but should not harm other browsers) |
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$headers['Last-Modified'] = $date; |
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return $headers; |
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} |
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/** |
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* Sends header indicating file download. |
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* |
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* @param string $filename Filename to include in headers if empty, |
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* none Content-Disposition header will be sent. |
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* @param string $mimetype MIME type to include in headers. |
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* @param int $length Length of content (optional) |
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* @param bool $no_cache Whether to include no-caching headers. |
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*/ |
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public static function downloadHeader( |
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string $filename, |
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string $mimetype, |
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int $length = 0, |
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bool $no_cache = true |
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): void { |
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$headers = []; |
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|
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if ($no_cache) { |
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$headers = self::getNoCacheHeaders(); |
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} |
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|
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/* Replace all possibly dangerous chars in filename */ |
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$filename = Sanitize::sanitizeFilename($filename); |
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if (! empty($filename)) { |
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$headers['Content-Description'] = 'File Transfer'; |
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$headers['Content-Disposition'] = 'attachment; filename="' . $filename . '"'; |
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} |
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$headers['Content-Type'] = $mimetype; |
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|
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/** @var string $browserAgent */ |
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$browserAgent = $GLOBALS['config']->get('PMA_USR_BROWSER_AGENT'); |
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|
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// inform the server that compression has been done, |
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// to avoid a double compression (for example with Apache + mod_deflate) |
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if (str_contains($mimetype, 'gzip')) { |
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/** |
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* @see https://github.com/phpmyadmin/phpmyadmin/issues/11283 |
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*/ |
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if ($browserAgent !== 'CHROME') { |
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$headers['Content-Encoding'] = 'gzip'; |
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} |
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} else { |
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// The default output in PMA uses gzip, |
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// so if we want to output uncompressed file, we should reset the encoding. |
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// See PHP bug https://github.com/php/php-src/issues/8218 |
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header_remove('Content-Encoding'); |
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} |
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|
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$headers['Content-Transfer-Encoding'] = 'binary'; |
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|
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if ($length > 0) { |
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$headers['Content-Length'] = (string) $length; |
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} |
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|
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foreach ($headers as $name => $value) { |
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header(sprintf('%s: %s', $name, $value)); |
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} |
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} |
|
|
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/** |
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* Returns value of an element in $array given by $path. |
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* $path is a string describing position of an element in an associative array, |
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* eg. Servers/1/host refers to $array[Servers][1][host] |
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* |
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* @param string $path path in the array |
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* @param array $array the array |
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* @param mixed $default default value |
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* |
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* @return array|mixed|null array element or $default |
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*/ |
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public static function arrayRead(string $path, array $array, $default = null) |
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{ |
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$keys = explode('/', $path); |
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$value =& $array; |
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foreach ($keys as $key) { |
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if (! isset($value[$key])) { |
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return $default; |
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} |
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|
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$value =& $value[$key]; |
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} |
|
|
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return $value; |
|
} |
|
|
|
/** |
|
* Stores value in an array |
|
* |
|
* @param string $path path in the array |
|
* @param array $array the array |
|
* @param mixed $value value to store |
|
*/ |
|
public static function arrayWrite(string $path, array &$array, $value): void |
|
{ |
|
$keys = explode('/', $path); |
|
$last_key = array_pop($keys); |
|
$a =& $array; |
|
foreach ($keys as $key) { |
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if (! isset($a[$key])) { |
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$a[$key] = []; |
|
} |
|
|
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$a =& $a[$key]; |
|
} |
|
|
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$a[$last_key] = $value; |
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} |
|
|
|
/** |
|
* Removes value from an array |
|
* |
|
* @param string $path path in the array |
|
* @param array $array the array |
|
*/ |
|
public static function arrayRemove(string $path, array &$array): void |
|
{ |
|
$keys = explode('/', $path); |
|
$keys_last = array_pop($keys); |
|
$path = []; |
|
$depth = 0; |
|
|
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$path[0] =& $array; |
|
$found = true; |
|
// go as deep as required or possible |
|
foreach ($keys as $key) { |
|
if (! isset($path[$depth][$key])) { |
|
$found = false; |
|
break; |
|
} |
|
|
|
$depth++; |
|
$path[$depth] =& $path[$depth - 1][$key]; |
|
} |
|
|
|
// if element found, remove it |
|
if ($found) { |
|
unset($path[$depth][$keys_last]); |
|
$depth--; |
|
} |
|
|
|
// remove empty nested arrays |
|
for (; $depth >= 0; $depth--) { |
|
if (isset($path[$depth + 1]) && count($path[$depth + 1]) !== 0) { |
|
break; |
|
} |
|
|
|
unset($path[$depth][$keys[$depth]]); |
|
} |
|
} |
|
|
|
/** |
|
* Returns link to (possibly) external site using defined redirector. |
|
* |
|
* @param string $url URL where to go. |
|
* |
|
* @return string URL for a link. |
|
*/ |
|
public static function linkURL(string $url): string |
|
{ |
|
if (! preg_match('#^https?://#', $url)) { |
|
return $url; |
|
} |
|
|
|
$params = []; |
|
$params['url'] = $url; |
|
|
|
$url = Url::getCommon($params); |
|
//strip off token and such sensitive information. Just keep url. |
|
$arr = parse_url($url); |
|
|
|
if (! is_array($arr)) { |
|
$arr = []; |
|
} |
|
|
|
parse_str($arr['query'] ?? '', $vars); |
|
$query = http_build_query(['url' => $vars['url']]); |
|
|
|
if ($GLOBALS['config'] !== null && $GLOBALS['config']->get('is_setup')) { |
|
return '../url.php?' . $query; |
|
} |
|
|
|
return './url.php?' . $query; |
|
} |
|
|
|
/** |
|
* Checks whether domain of URL is an allowed domain or not. |
|
* Use only for URLs of external sites. |
|
* |
|
* @param string $url URL of external site. |
|
*/ |
|
public static function isAllowedDomain(string $url): bool |
|
{ |
|
$arr = parse_url($url); |
|
|
|
if (! is_array($arr)) { |
|
$arr = []; |
|
} |
|
|
|
// We need host to be set |
|
if (! isset($arr['host']) || strlen($arr['host']) == 0) { |
|
return false; |
|
} |
|
|
|
// We do not want these to be present |
|
$blocked = [ |
|
'user', |
|
'pass', |
|
'port', |
|
]; |
|
foreach ($blocked as $part) { |
|
if (isset($arr[$part]) && strlen((string) $arr[$part]) != 0) { |
|
return false; |
|
} |
|
} |
|
|
|
$domain = $arr['host']; |
|
$domainAllowList = [ |
|
/* Include current domain */ |
|
$_SERVER['SERVER_NAME'], |
|
/* phpMyAdmin domains */ |
|
'wiki.phpmyadmin.net', |
|
'www.phpmyadmin.net', |
|
'phpmyadmin.net', |
|
'demo.phpmyadmin.net', |
|
'docs.phpmyadmin.net', |
|
/* mysql.com domains */ |
|
'dev.mysql.com', |
|
'bugs.mysql.com', |
|
/* mariadb domains */ |
|
'mariadb.org', |
|
'mariadb.com', |
|
/* php.net domains */ |
|
'php.net', |
|
'www.php.net', |
|
/* Github domains*/ |
|
'github.com', |
|
'www.github.com', |
|
/* Percona domains */ |
|
'www.percona.com', |
|
/* Following are doubtful ones. */ |
|
'mysqldatabaseadministration.blogspot.com', |
|
]; |
|
|
|
return in_array($domain, $domainAllowList); |
|
} |
|
|
|
/** |
|
* Replace some html-unfriendly stuff |
|
* |
|
* @param string $buffer String to process |
|
* |
|
* @return string Escaped and cleaned up text suitable for html |
|
*/ |
|
public static function mimeDefaultFunction(string $buffer): string |
|
{ |
|
$buffer = htmlspecialchars($buffer); |
|
$buffer = str_replace(' ', ' ', $buffer); |
|
|
|
return (string) preg_replace("@((\015\012)|(\015)|(\012))@", '<br>' . "\n", $buffer); |
|
} |
|
|
|
/** |
|
* Displays SQL query before executing. |
|
* |
|
* @param array|string $query_data Array containing queries or query itself |
|
*/ |
|
public static function previewSQL($query_data): void |
|
{ |
|
$retval = '<div class="preview_sql">'; |
|
if (empty($query_data)) { |
|
$retval .= __('No change'); |
|
} elseif (is_array($query_data)) { |
|
foreach ($query_data as $query) { |
|
$retval .= Html\Generator::formatSql($query); |
|
} |
|
} else { |
|
$retval .= Html\Generator::formatSql($query_data); |
|
} |
|
|
|
$retval .= '</div>'; |
|
$response = ResponseRenderer::getInstance(); |
|
$response->addJSON('sql_data', $retval); |
|
} |
|
|
|
/** |
|
* recursively check if variable is empty |
|
* |
|
* @param mixed $value the variable |
|
*/ |
|
public static function emptyRecursive($value): bool |
|
{ |
|
if (is_array($value)) { |
|
$empty = true; |
|
array_walk_recursive( |
|
$value, |
|
/** |
|
* @param mixed $item |
|
*/ |
|
static function ($item) use (&$empty): void { |
|
$empty = $empty && empty($item); |
|
} |
|
); |
|
|
|
return $empty; |
|
} |
|
|
|
return empty($value); |
|
} |
|
|
|
/** |
|
* Creates some globals from $_POST variables matching a pattern |
|
* |
|
* @param array $post_patterns The patterns to search for |
|
*/ |
|
public static function setPostAsGlobal(array $post_patterns): void |
|
{ |
|
global $containerBuilder; |
|
|
|
foreach (array_keys($_POST) as $post_key) { |
|
foreach ($post_patterns as $one_post_pattern) { |
|
if (! preg_match($one_post_pattern, $post_key)) { |
|
continue; |
|
} |
|
|
|
$GLOBALS[$post_key] = $_POST[$post_key]; |
|
$containerBuilder->setParameter($post_key, $GLOBALS[$post_key]); |
|
} |
|
} |
|
} |
|
|
|
/** |
|
* Gets the "true" IP address of the current user |
|
* |
|
* @return string|bool the ip of the user |
|
*/ |
|
public static function getIp() |
|
{ |
|
/* Get the address of user */ |
|
if (empty($_SERVER['REMOTE_ADDR'])) { |
|
/* We do not know remote IP */ |
|
return false; |
|
} |
|
|
|
$direct_ip = $_SERVER['REMOTE_ADDR']; |
|
|
|
/* Do we trust this IP as a proxy? If yes we will use it's header. */ |
|
if (! isset($GLOBALS['cfg']['TrustedProxies'][$direct_ip])) { |
|
/* Return true IP */ |
|
return $direct_ip; |
|
} |
|
|
|
/** |
|
* Parse header in form: |
|
* X-Forwarded-For: client, proxy1, proxy2 |
|
*/ |
|
// Get header content |
|
$value = self::getenv($GLOBALS['cfg']['TrustedProxies'][$direct_ip]); |
|
// Grab first element what is client adddress |
|
$value = explode(',', $value)[0]; |
|
// checks that the header contains only one IP address, |
|
$is_ip = filter_var($value, FILTER_VALIDATE_IP); |
|
|
|
if ($is_ip !== false) { |
|
// True IP behind a proxy |
|
return $value; |
|
} |
|
|
|
// We could not parse header |
|
return false; |
|
} |
|
|
|
/** |
|
* Sanitizes MySQL hostname |
|
* |
|
* * strips p: prefix(es) |
|
* |
|
* @param string $name User given hostname |
|
*/ |
|
public static function sanitizeMySQLHost(string $name): string |
|
{ |
|
while (strtolower(substr($name, 0, 2)) === 'p:') { |
|
$name = substr($name, 2); |
|
} |
|
|
|
return $name; |
|
} |
|
|
|
/** |
|
* Sanitizes MySQL username |
|
* |
|
* * strips part behind null byte |
|
* |
|
* @param string $name User given username |
|
*/ |
|
public static function sanitizeMySQLUser(string $name): string |
|
{ |
|
$position = strpos($name, chr(0)); |
|
if ($position !== false) { |
|
return substr($name, 0, $position); |
|
} |
|
|
|
return $name; |
|
} |
|
|
|
/** |
|
* Safe unserializer wrapper |
|
* |
|
* It does not unserialize data containing objects |
|
* |
|
* @param string $data Data to unserialize |
|
* |
|
* @return mixed|null |
|
*/ |
|
public static function safeUnserialize(string $data) |
|
{ |
|
/* validate serialized data */ |
|
$length = strlen($data); |
|
$depth = 0; |
|
for ($i = 0; $i < $length; $i++) { |
|
$value = $data[$i]; |
|
|
|
switch ($value) { |
|
case '}': |
|
/* end of array */ |
|
if ($depth <= 0) { |
|
return null; |
|
} |
|
|
|
$depth--; |
|
break; |
|
case 's': |
|
/* string */ |
|
// parse sting length |
|
$strlen = intval(substr($data, $i + 2)); |
|
// string start |
|
$i = strpos($data, ':', $i + 2); |
|
if ($i === false) { |
|
return null; |
|
} |
|
|
|
// skip string, quotes and ; |
|
$i += 2 + $strlen + 1; |
|
if ($data[$i] !== ';') { |
|
return null; |
|
} |
|
|
|
break; |
|
|
|
case 'b': |
|
case 'i': |
|
case 'd': |
|
/* bool, integer or double */ |
|
// skip value to separator |
|
$i = strpos($data, ';', $i); |
|
if ($i === false) { |
|
return null; |
|
} |
|
|
|
break; |
|
case 'a': |
|
/* array */ |
|
// find array start |
|
$i = strpos($data, '{', $i); |
|
if ($i === false) { |
|
return null; |
|
} |
|
|
|
// remember nesting |
|
$depth++; |
|
break; |
|
case 'N': |
|
/* null */ |
|
// skip to end |
|
$i = strpos($data, ';', $i); |
|
if ($i === false) { |
|
return null; |
|
} |
|
|
|
break; |
|
default: |
|
/* any other elements are not wanted */ |
|
return null; |
|
} |
|
} |
|
|
|
// check unterminated arrays |
|
if ($depth > 0) { |
|
return null; |
|
} |
|
|
|
return unserialize($data); |
|
} |
|
|
|
/** |
|
* Sign the sql query using hmac using the session token |
|
* |
|
* @param string $sqlQuery The sql query |
|
* |
|
* @return string |
|
*/ |
|
public static function signSqlQuery($sqlQuery) |
|
{ |
|
global $cfg; |
|
|
|
$secret = $_SESSION[' HMAC_secret '] ?? ''; |
|
|
|
return hash_hmac('sha256', $sqlQuery, $secret . $cfg['blowfish_secret']); |
|
} |
|
|
|
/** |
|
* Check that the sql query has a valid hmac signature |
|
* |
|
* @param string $sqlQuery The sql query |
|
* @param string $signature The Signature to check |
|
*/ |
|
public static function checkSqlQuerySignature($sqlQuery, $signature): bool |
|
{ |
|
global $cfg; |
|
|
|
$secret = $_SESSION[' HMAC_secret '] ?? ''; |
|
$hmac = hash_hmac('sha256', $sqlQuery, $secret . $cfg['blowfish_secret']); |
|
|
|
return hash_equals($hmac, $signature); |
|
} |
|
|
|
/** |
|
* Get the container builder |
|
*/ |
|
public static function getContainerBuilder(): ContainerBuilder |
|
{ |
|
$containerBuilder = new ContainerBuilder(); |
|
$loader = new PhpFileLoader($containerBuilder, new FileLocator(ROOT_PATH . 'libraries')); |
|
$loader->load('services_loader.php'); |
|
|
|
return $containerBuilder; |
|
} |
|
|
|
public static function populateRequestWithEncryptedQueryParams(ServerRequest $request): ServerRequest |
|
{ |
|
$queryParams = $request->getQueryParams(); |
|
$parsedBody = $request->getParsedBody(); |
|
|
|
unset($_GET['eq'], $_POST['eq'], $_REQUEST['eq']); |
|
|
|
if (! isset($queryParams['eq']) && (! is_array($parsedBody) || ! isset($parsedBody['eq']))) { |
|
return $request; |
|
} |
|
|
|
$encryptedQuery = ''; |
|
if ( |
|
is_array($parsedBody) |
|
&& isset($parsedBody['eq']) |
|
&& is_string($parsedBody['eq']) |
|
&& $parsedBody['eq'] !== '' |
|
) { |
|
$encryptedQuery = $parsedBody['eq']; |
|
unset($parsedBody['eq'], $queryParams['eq']); |
|
} elseif (isset($queryParams['eq']) && is_string($queryParams['eq']) && $queryParams['eq'] !== '') { |
|
$encryptedQuery = $queryParams['eq']; |
|
unset($queryParams['eq']); |
|
} |
|
|
|
$decryptedQuery = null; |
|
if ($encryptedQuery !== '') { |
|
$decryptedQuery = Url::decryptQuery($encryptedQuery); |
|
} |
|
|
|
if ($decryptedQuery === null) { |
|
$request = $request->withQueryParams($queryParams); |
|
if (is_array($parsedBody)) { |
|
$request = $request->withParsedBody($parsedBody); |
|
} |
|
|
|
return $request; |
|
} |
|
|
|
$urlQueryParams = (array) json_decode($decryptedQuery); |
|
foreach ($urlQueryParams as $urlQueryParamKey => $urlQueryParamValue) { |
|
if (is_array($parsedBody)) { |
|
$parsedBody[$urlQueryParamKey] = $urlQueryParamValue; |
|
$_POST[$urlQueryParamKey] = $urlQueryParamValue; |
|
} else { |
|
$queryParams[$urlQueryParamKey] = $urlQueryParamValue; |
|
$_GET[$urlQueryParamKey] = $urlQueryParamValue; |
|
} |
|
|
|
$_REQUEST[$urlQueryParamKey] = $urlQueryParamValue; |
|
} |
|
|
|
$request = $request->withQueryParams($queryParams); |
|
if (is_array($parsedBody)) { |
|
$request = $request->withParsedBody($parsedBody); |
|
} |
|
|
|
return $request; |
|
} |
|
}
|
|
|