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<?php |
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/** |
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* This file is part of the tiqr project. |
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* |
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* The tiqr project aims to provide an open implementation for |
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* authentication using mobile devices. It was initiated by |
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* SURFnet and developed by Egeniq. |
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* |
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* More information: http://www.tiqr.org |
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* |
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* @author Patrick Honing <[email protected]> |
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* |
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* @package tiqr |
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* |
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* @license New BSD License - See LICENSE file for details. |
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* |
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* @copyright (C) 2010-2012 SURFnet BV |
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* |
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* Create SQL table (MySQL): |
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* CREATE TABLE `tiqrusersecret` (`userid` varchar(10) PRIMARY KEY, `secret` varchar(100)) |
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* |
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*/ |
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require_once 'Tiqr/UserSecretStorage/UserSecretStorageTrait.php'; |
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use Psr\Log\LoggerInterface; |
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/** |
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* This user storage implementation implements a user secret storage using PDO. |
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* It is usable for any database with a PDO driver |
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* |
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* @author Patrick Honing <[email protected]> |
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* |
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* You can create separate tables for Tiqr_UserSecretStorage_Pdo and Tiqr_UserStorage_Pdo |
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* You can also combine the two tables by adding a "secret" column to the user storage table |
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* @see Tiqr_UserStorage_Pdo |
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* |
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* Mysql Create statement usersecret table |
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CREATE TABLE IF NOT EXISTS usersecret ( |
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id integer NOT NULL PRIMARY KEY AUTO_INCREMENT, |
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userid varchar(30) NOT NULL UNIQUE, |
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secret varchar(128), |
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); |
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* |
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*/ |
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class Tiqr_UserSecretStorage_Pdo implements Tiqr_UserSecretStorage_Interface |
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{ |
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use UserSecretStorageTrait; |
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private $tableName; |
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private $handle; |
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/** |
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* @var LoggerInterface |
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*/ |
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private $logger; |
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/** |
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* @param Tiqr_UserSecretStorage_Encryption_Interface $encryption |
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* @param LoggerInterface $logger |
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* @param PDO $handle |
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*/ |
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public function __construct( |
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Tiqr_UserSecretStorage_Encryption_Interface $encryption, |
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LoggerInterface $logger, |
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PDO $handle, |
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string $tableName |
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) { |
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$this->encryption = $encryption; |
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$this->logger = $logger; |
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$this->handle = $handle; |
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$this->tableName = $tableName; |
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} |
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/** |
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* @see Tiqr_UserSecretStorage_Interface::userExists() |
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* |
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* Note: duplicate of Tiqr_UserStorage_Pdo::userExists() |
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*/ |
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public function userExists(string $userId): bool |
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{ |
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try { |
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$sth = $this->handle->prepare('SELECT userid FROM ' . $this->tableName . ' WHERE userid = ?'); |
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$sth->execute(array($userId)); |
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return (false !== $sth->fetchColumn()); |
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} |
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catch (Exception $e) { |
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$this->logger->error('PDO error checking user exists', array('exception'=>$e, 'userId'=>$userId)); |
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throw ReadWriteException::fromOriginalException($e); |
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} |
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} |
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/** |
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* Get the user's secret |
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* |
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* @param String $userId |
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* @return string |
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* @throws Exception |
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*/ |
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private function getUserSecret(string $userId): string |
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{ |
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try { |
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$sth = $this->handle->prepare('SELECT secret FROM ' . $this->tableName . ' WHERE userid = ?'); |
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$sth->execute(array($userId)); |
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$res=$sth->fetchColumn(); |
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if ($res === false) { |
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// No result |
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$this->logger->error(sprintf('No result getting secret for user "%s"', $userId)); |
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throw new RuntimeException('User not found'); |
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} |
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} |
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catch (Exception $e) { |
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$this->logger->error('PDO error getting user', array('exception' => $e, 'userId' => $userId)); |
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throw ReadWriteException::fromOriginalException($e); |
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} |
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if (!is_string($res)) { |
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$this->logger->error(sprintf('No secret found for user "%s"', $userId)); |
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throw new RuntimeException('Secret not found'); |
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} |
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return $res; |
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} |
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/** |
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* |
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* @throws Exception |
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*/ |
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private function setUserSecret(string $userId, string $secret): void |
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{ |
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// UserSecretStorage can be used in a separate table. In this case the table has its own userid column |
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// This means that when a user has been created using in the UserStorage, it does not exists in the |
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// UserSecretStorage so userExists will be false and we need to use an INSERT query. |
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// It is also possible to use one table for both the UserStorage and the UserSecretStorage, in that case the |
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// userid column is shared between the UserStorage and UserSecretStorage and the user must first have been created |
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// in the UserStorage because: |
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// - UserStorage_Pdo::create() no longer supports overwriting an existing user |
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// - The INSERT will fail when displayname has a NOT NULL constraint |
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try { |
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if ($this->userExists($userId)) { |
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$sth = $this->handle->prepare('UPDATE ' . $this->tableName . ' SET secret = ? WHERE userid = ?'); |
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} else { |
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$sth = $this->handle->prepare('INSERT INTO ' . $this->tableName . ' (secret,userid) VALUES (?,?)'); |
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} |
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$sth->execute(array($secret, $userId)); |
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} |
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catch (Exception $e) { |
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$this->logger->error( |
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sprintf('Unable to persist user secret for user "%s" in user secret storage (PDO)', $userId), |
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array('exception'=>$e) |
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); |
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throw ReadWriteException::fromOriginalException($e); |
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} |
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} |
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} |
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Tiqr /
tiqr-server-libphp
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