Inital
This commit is contained in:
@@ -0,0 +1,27 @@
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<?php
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//Datenbankverbindung
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$dbhost = "mysql2fda.netcup.net";
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$dbuser = "k25330_pracreutz";
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$dbpassword = "be4K8DSASDA2y";
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$dbname = "k25330_pracreutz";
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// SQL Datum festlegen
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$sqltoday = date("Y-m-d");
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#$sqlyesterday = date("Y-m-d", strtotime("-1 day", $sqltoday ));
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#$yesterday = Date('Y-m-d', strtotime('-1 day'));
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#$yesteryesterday = Date('Y-m-d', strtotime('-2 days'));
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$options = [
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PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
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PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
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PDO::ATTR_EMULATE_PREPARES => false,
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];
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$pdo = new PDO("mysql:host=$dbhost;dbname=$dbname", $dbuser, $dbpassword, $options);
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#$conn = new mysqli($dbhost,$dbuser,$dbpassword,$dbname);
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?>
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@@ -0,0 +1,190 @@
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<?php
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include_once("password.inc.php");
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/**
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* Checks that the user is logged in.
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* @return Returns the row of the logged in user
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*/
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function check_user() {
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global $pdo;
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if(!isset($_SESSION['userid']) && isset($_COOKIE['identifier']) && isset($_COOKIE['securitytoken'])) {
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$identifier = $_COOKIE['identifier'];
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$securitytoken = $_COOKIE['securitytoken'];
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$statement = $pdo->prepare("SELECT * FROM securitytokens WHERE identifier = :identifier");
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$result = $statement->execute(array('identifier' => $identifier));
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$securitytoken_row = $statement->fetch();
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//echo $securitytoken;
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if(sha1($securitytoken) !== $securitytoken_row['securitytoken']) {
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//Vermutlich wurde der Security Token gestohlen
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//Hier ggf. eine Warnung o.ä. anzeigen
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echo 'In der letzte Sitzung nicht abgemeldet oder neuer/anderen Browser genutzt.<br><br><br>';
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} else { //Token war korrekt
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//Setze neuen Token
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$neuer_securitytoken = random_string();
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$insert = $pdo->prepare("UPDATE securitytokens SET securitytoken = :securitytoken WHERE identifier = :identifier");
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$insert->execute(array('securitytoken' => sha1($neuer_securitytoken), 'identifier' => $identifier));
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setcookie("identifier",$identifier,time()+(3600*24*365)); //1 Jahr Gültigkeit
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setcookie("securitytoken",$neuer_securitytoken,time()+(3600*24*365)); //1 Jahr Gültigkeit
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//Logge den Benutzer ein
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$_SESSION['userid'] = $securitytoken_row['user_id'];
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}
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}
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if(!isset($_SESSION['userid'])) {
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die('Bitte zuerst <a href="login.php" >einloggen</a>');
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}
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$statement = $pdo->prepare("SELECT * FROM users WHERE id = :id");
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$result = $statement->execute(array('id' => $_SESSION['userid']));
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$user = $statement->fetch();
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return $user;
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}
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/**
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* Returns true when the user is checked in, else false
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*/
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function is_checked_in() {
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return isset($_SESSION['userid']);
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}
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function is_checked_in_index() {
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if( isset($_SESSION['userid']) || isset($_COOKIE['identifier'])){
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return true;
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}else{
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return false;
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}
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}
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/**
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* Returns a random string
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*/
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function random_string() {
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if(function_exists('openssl_random_pseudo_bytes')) {
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$bytes = openssl_random_pseudo_bytes(16);
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$str = bin2hex($bytes);
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} else if(function_exists('mcrypt_create_iv')) {
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$bytes = mcrypt_create_iv(16, MCRYPT_DEV_URANDOM);
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$str = bin2hex($bytes);
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} else {
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//Replace your_secret_string with a string of your choice (>12 characters)
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$str = md5(uniqid('your_secret_string', true));
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}
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return $str;
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}
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/**
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* Returns the URL to the site without the script name
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*/
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function getSiteURL() {
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$protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";
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return $protocol.$_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']).'/';
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}
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/**
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* Outputs an error message and stops the further exectution of the script.
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*/
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function error($error_msg) {
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include("templates/header.inc.php");
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include("templates/error.inc.php");
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include("templates/footer.inc.php");
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exit();
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}
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/**
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* Prüft, ob der Benutzer administrator ist
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*/
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function check_admin() {
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global $pdo;
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if(isset($_SESSION['userid'])) {
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$statement = $pdo->prepare("SELECT userid FROM users_admin WHERE userid = :id");
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$statement->execute(array('id' => $_SESSION['userid']));
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$count = $statement->rowCount();
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if($count == 1){
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return true;
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}else{
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return false;
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}
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}else{
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return false;
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}
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}
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/**
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* Non-invasive admin check that prefers the `users.admin` flag but
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* falls back to the legacy `users_admin` table. Does not modify
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* `check_user()` behavior.
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*/
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function is_admin_user() {
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global $pdo;
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if (!isset($_SESSION['userid'])) {
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return false;
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}
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// Prefer the admin flag in users table (supports BIT(1) or TINYINT)
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$stmt = $pdo->prepare("SELECT admin FROM users WHERE id = ?");
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$stmt->execute([$_SESSION['userid']]);
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$row = $stmt->fetch();
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if ($row && !empty($row['admin'])) {
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return true;
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}
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// Fallback to legacy users_admin table
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$statement = $pdo->prepare("SELECT userid FROM users_admin WHERE userid = :id");
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$statement->execute(array('id' => $_SESSION['userid']));
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return ($statement->rowCount() == 1);
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}
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/**
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* Prüft, ob der Benutzer Bearbeiter ist
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*/
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function check_worker() {
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global $pdo;
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if(isset($_SESSION['userid'])) {
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$statement = $pdo->prepare("SELECT userid FROM users_worker WHERE userid = :id");
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$statement->execute(array('id' => $_SESSION['userid']));
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$count = $statement->rowCount();
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if($count == 1){
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return true;
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}else{
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return false;
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}
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}else{
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return false;
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}
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}
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function isValidSequence($sequence) {
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$events = explode(',', $sequence);
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$previousType = null;
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foreach ($events as $type) {
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if ($previousType === $type) {
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// Ein Fehler, wenn zwei gleiche Typen aufeinanderfolgen
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return false;
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}
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$previousType = $type;
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}
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// Überprüfen Sie, ob die Sequenz mit einem KOMMEN beginnt und einem GEHEN endet
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return $events[0] === 'KOMMEN' && end($events) === 'GEHEN';
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}
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?>
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@@ -0,0 +1,317 @@
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<?php
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/**
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* A Compatibility library with PHP 5.5's simplified password hashing API.
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*
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* @author Anthony Ferrara <ircmaxell@php.net>
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* @license http://www.opensource.org/licenses/mit-license.html MIT License
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* @copyright 2012 The Authors
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*/
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namespace {
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if (!defined('PASSWORD_BCRYPT')) {
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/**
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* PHPUnit Process isolation caches constants, but not function declarations.
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* So we need to check if the constants are defined separately from
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* the functions to enable supporting process isolation in userland
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* code.
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*/
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define('PASSWORD_BCRYPT', 1);
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define('PASSWORD_DEFAULT', PASSWORD_BCRYPT);
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define('PASSWORD_BCRYPT_DEFAULT_COST', 10);
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}
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if (!function_exists('password_hash')) {
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/**
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* Hash the password using the specified algorithm
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*
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* @param string $password The password to hash
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* @param int $algo The algorithm to use (Defined by PASSWORD_* constants)
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* @param array $options The options for the algorithm to use
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*
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* @return string|false The hashed password, or false on error.
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*/
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function password_hash($password, $algo, array $options = array()) {
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if (!function_exists('crypt')) {
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trigger_error("Crypt must be loaded for password_hash to function", E_USER_WARNING);
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return null;
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}
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if (is_null($password) || is_int($password)) {
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$password = (string) $password;
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}
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if (!is_string($password)) {
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trigger_error("password_hash(): Password must be a string", E_USER_WARNING);
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return null;
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}
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if (!is_int($algo)) {
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trigger_error("password_hash() expects parameter 2 to be long, " . gettype($algo) . " given", E_USER_WARNING);
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return null;
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}
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$resultLength = 0;
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switch ($algo) {
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case PASSWORD_BCRYPT:
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$cost = PASSWORD_BCRYPT_DEFAULT_COST;
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if (isset($options['cost'])) {
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$cost = (int) $options['cost'];
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if ($cost < 4 || $cost > 31) {
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trigger_error(sprintf("password_hash(): Invalid bcrypt cost parameter specified: %d", $cost), E_USER_WARNING);
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return null;
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}
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}
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// The length of salt to generate
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$raw_salt_len = 16;
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// The length required in the final serialization
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$required_salt_len = 22;
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$hash_format = sprintf("$2y$%02d$", $cost);
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// The expected length of the final crypt() output
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$resultLength = 60;
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break;
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default:
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trigger_error(sprintf("password_hash(): Unknown password hashing algorithm: %s", $algo), E_USER_WARNING);
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return null;
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}
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$salt_req_encoding = false;
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if (isset($options['salt'])) {
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switch (gettype($options['salt'])) {
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case 'NULL':
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case 'boolean':
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case 'integer':
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case 'double':
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case 'string':
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$salt = (string) $options['salt'];
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break;
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case 'object':
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if (method_exists($options['salt'], '__tostring')) {
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$salt = (string) $options['salt'];
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break;
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}
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case 'array':
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case 'resource':
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default:
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trigger_error('password_hash(): Non-string salt parameter supplied', E_USER_WARNING);
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return null;
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}
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if (PasswordCompat\binary\_strlen($salt) < $required_salt_len) {
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trigger_error(sprintf("password_hash(): Provided salt is too short: %d expecting %d", PasswordCompat\binary\_strlen($salt), $required_salt_len), E_USER_WARNING);
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return null;
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} elseif (0 == preg_match('#^[a-zA-Z0-9./]+$#D', $salt)) {
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$salt_req_encoding = true;
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}
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} else {
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$buffer = '';
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$buffer_valid = false;
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if (function_exists('mcrypt_create_iv') && !defined('PHALANGER')) {
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$buffer = mcrypt_create_iv($raw_salt_len, MCRYPT_DEV_URANDOM);
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if ($buffer) {
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$buffer_valid = true;
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}
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}
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if (!$buffer_valid && function_exists('openssl_random_pseudo_bytes')) {
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$strong = false;
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$buffer = openssl_random_pseudo_bytes($raw_salt_len, $strong);
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if ($buffer && $strong) {
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$buffer_valid = true;
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}
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}
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if (!$buffer_valid && @is_readable('/dev/urandom')) {
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$file = fopen('/dev/urandom', 'r');
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$read = 0;
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$local_buffer = '';
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while ($read < $raw_salt_len) {
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$local_buffer .= fread($file, $raw_salt_len - $read);
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$read = PasswordCompat\binary\_strlen($local_buffer);
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}
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fclose($file);
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if ($read >= $raw_salt_len) {
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$buffer_valid = true;
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}
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$buffer = str_pad($buffer, $raw_salt_len, "\0") ^ str_pad($local_buffer, $raw_salt_len, "\0");
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}
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if (!$buffer_valid || PasswordCompat\binary\_strlen($buffer) < $raw_salt_len) {
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$buffer_length = PasswordCompat\binary\_strlen($buffer);
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for ($i = 0; $i < $raw_salt_len; $i++) {
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if ($i < $buffer_length) {
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$buffer[$i] = $buffer[$i] ^ chr(mt_rand(0, 255));
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} else {
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$buffer .= chr(mt_rand(0, 255));
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}
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}
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}
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$salt = $buffer;
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$salt_req_encoding = true;
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}
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if ($salt_req_encoding) {
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// encode string with the Base64 variant used by crypt
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$base64_digits =
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'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
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$bcrypt64_digits =
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'./ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
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$base64_string = base64_encode($salt);
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$salt = strtr(rtrim($base64_string, '='), $base64_digits, $bcrypt64_digits);
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}
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$salt = PasswordCompat\binary\_substr($salt, 0, $required_salt_len);
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$hash = $hash_format . $salt;
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$ret = crypt($password, $hash);
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if (!is_string($ret) || PasswordCompat\binary\_strlen($ret) != $resultLength) {
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return false;
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}
|
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return $ret;
|
||||
}
|
||||
|
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/**
|
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* Get information about the password hash. Returns an array of the information
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* that was used to generate the password hash.
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*
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* array(
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* 'algo' => 1,
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* 'algoName' => 'bcrypt',
|
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* 'options' => array(
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* 'cost' => PASSWORD_BCRYPT_DEFAULT_COST,
|
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* ),
|
||||
* )
|
||||
*
|
||||
* @param string $hash The password hash to extract info from
|
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*
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* @return array The array of information about the hash.
|
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*/
|
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function password_get_info($hash) {
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$return = array(
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'algo' => 0,
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'algoName' => 'unknown',
|
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'options' => array(),
|
||||
);
|
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if (PasswordCompat\binary\_substr($hash, 0, 4) == '$2y$' && PasswordCompat\binary\_strlen($hash) == 60) {
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$return['algo'] = PASSWORD_BCRYPT;
|
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$return['algoName'] = 'bcrypt';
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list($cost) = sscanf($hash, "$2y$%d$");
|
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$return['options']['cost'] = $cost;
|
||||
}
|
||||
return $return;
|
||||
}
|
||||
|
||||
/**
|
||||
* Determine if the password hash needs to be rehashed according to the options provided
|
||||
*
|
||||
* If the answer is true, after validating the password using password_verify, rehash it.
|
||||
*
|
||||
* @param string $hash The hash to test
|
||||
* @param int $algo The algorithm used for new password hashes
|
||||
* @param array $options The options array passed to password_hash
|
||||
*
|
||||
* @return boolean True if the password needs to be rehashed.
|
||||
*/
|
||||
function password_needs_rehash($hash, $algo, array $options = array()) {
|
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$info = password_get_info($hash);
|
||||
if ($info['algo'] !== (int) $algo) {
|
||||
return true;
|
||||
}
|
||||
switch ($algo) {
|
||||
case PASSWORD_BCRYPT:
|
||||
$cost = isset($options['cost']) ? (int) $options['cost'] : PASSWORD_BCRYPT_DEFAULT_COST;
|
||||
if ($cost !== $info['options']['cost']) {
|
||||
return true;
|
||||
}
|
||||
break;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Verify a password against a hash using a timing attack resistant approach
|
||||
*
|
||||
* @param string $password The password to verify
|
||||
* @param string $hash The hash to verify against
|
||||
*
|
||||
* @return boolean If the password matches the hash
|
||||
*/
|
||||
function password_verify($password, $hash) {
|
||||
if (!function_exists('crypt')) {
|
||||
trigger_error("Crypt must be loaded for password_verify to function", E_USER_WARNING);
|
||||
return false;
|
||||
}
|
||||
$ret = crypt($password, $hash);
|
||||
if (!is_string($ret) || PasswordCompat\binary\_strlen($ret) != PasswordCompat\binary\_strlen($hash) || PasswordCompat\binary\_strlen($ret) <= 13) {
|
||||
return false;
|
||||
}
|
||||
|
||||
$status = 0;
|
||||
for ($i = 0; $i < PasswordCompat\binary\_strlen($ret); $i++) {
|
||||
$status |= (ord($ret[$i]) ^ ord($hash[$i]));
|
||||
}
|
||||
|
||||
return $status === 0;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
namespace PasswordCompat\binary {
|
||||
|
||||
if (!function_exists('PasswordCompat\\binary\\_strlen')) {
|
||||
|
||||
/**
|
||||
* Count the number of bytes in a string
|
||||
*
|
||||
* We cannot simply use strlen() for this, because it might be overwritten by the mbstring extension.
|
||||
* In this case, strlen() will count the number of *characters* based on the internal encoding. A
|
||||
* sequence of bytes might be regarded as a single multibyte character.
|
||||
*
|
||||
* @param string $binary_string The input string
|
||||
*
|
||||
* @internal
|
||||
* @return int The number of bytes
|
||||
*/
|
||||
function _strlen($binary_string) {
|
||||
if (function_exists('mb_strlen')) {
|
||||
return mb_strlen($binary_string, '8bit');
|
||||
}
|
||||
return strlen($binary_string);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get a substring based on byte limits
|
||||
*
|
||||
* @see _strlen()
|
||||
*
|
||||
* @param string $binary_string The input string
|
||||
* @param int $start
|
||||
* @param int $length
|
||||
*
|
||||
* @internal
|
||||
* @return string The substring
|
||||
*/
|
||||
function _substr($binary_string, $start, $length) {
|
||||
if (function_exists('mb_substr')) {
|
||||
return mb_substr($binary_string, $start, $length, '8bit');
|
||||
}
|
||||
return substr($binary_string, $start, $length);
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if current PHP version is compatible with the library
|
||||
*
|
||||
* @return boolean the check result
|
||||
*/
|
||||
function check() {
|
||||
static $pass = NULL;
|
||||
|
||||
if (is_null($pass)) {
|
||||
if (function_exists('crypt')) {
|
||||
$hash = '$2y$04$usesomesillystringfore7hnbRJHxXVLeakoG8K30oukPsA.ztMG';
|
||||
$test = crypt("password", $hash);
|
||||
$pass = $test == $hash;
|
||||
} else {
|
||||
$pass = false;
|
||||
}
|
||||
}
|
||||
return $pass;
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user