115 lines
2.8 KiB
PHP
115 lines
2.8 KiB
PHP
<?php
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namespace Sabre\DAV\Auth\Backend;
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/**
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* This is an authentication backend that uses a database to manage passwords.
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*
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* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
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* @license http://sabre.io/license/ Modified BSD License
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*/
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class PDOBasicAuth extends AbstractBasic
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{
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/**
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* Reference to PDO connection.
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*
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* @var PDO
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*/
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protected $pdo;
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/**
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* PDO table name we'll be using.
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*
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* @var string
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*/
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protected $tableName;
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/**
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* PDO digest column name we'll be using
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* (i.e. digest, password, password_hash).
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*
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* @var string
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*/
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protected $digestColumn;
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/**
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* PDO uuid(unique user identifier) column name we'll be using
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* (i.e. username, email).
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*
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* @var string
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*/
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protected $uuidColumn;
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/**
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* Digest prefix:
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* if the backend you are using for is prefixing
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* your password hashes set this option to your prefix to
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* cut it off before verifying.
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*
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* @var string
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*/
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protected $digestPrefix;
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/**
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* Creates the backend object.
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*
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* If the filename argument is passed in, it will parse out the specified file fist.
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*/
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public function __construct(\PDO $pdo, array $options = [])
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{
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$this->pdo = $pdo;
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if (isset($options['tableName'])) {
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$this->tableName = $options['tableName'];
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} else {
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$this->tableName = 'users';
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}
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if (isset($options['digestColumn'])) {
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$this->digestColumn = $options['digestColumn'];
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} else {
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$this->digestColumn = 'digest';
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}
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if (isset($options['uuidColumn'])) {
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$this->uuidColumn = $options['uuidColumn'];
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} else {
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$this->uuidColumn = 'username';
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}
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if (isset($options['digestPrefix'])) {
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$this->digestPrefix = $options['digestPrefix'];
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}
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}
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/**
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* Validates a username and password.
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*
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* This method should return true or false depending on if login
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* succeeded.
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*
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* @param string $username
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* @param string $password
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*
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* @return bool
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*/
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public function validateUserPass($username, $password)
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{
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$stmt = $this->pdo->prepare('SELECT '.$this->digestColumn.' FROM '.$this->tableName.' WHERE '.$this->uuidColumn.' = ?');
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$stmt->execute([$username]);
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$result = $stmt->fetchAll();
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if (!count($result)) {
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return false;
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} else {
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$digest = $result[0][$this->digestColumn];
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if (isset($this->digestPrefix)) {
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$digest = substr($digest, strlen($this->digestPrefix));
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}
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if (password_verify($password, $digest)) {
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return true;
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}
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return false;
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}
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}
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}
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