240 lines
7.8 KiB
PHP
240 lines
7.8 KiB
PHP
<?php
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namespace Blog\Model;
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use DateTime;
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use PDO;
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use PDOException;
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class AuthModel extends Database
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{
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public function login(string $email, string $password)
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{
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$pdo = $this->linkDB();
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$sql = "SELECT email, password, valid_until FROM user WHERE email = :email";
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$params = [":email" => $email];
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try {
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$sth = $pdo->prepare($sql);
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$sth->execute($params);
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$user = $sth->fetch(PDO::FETCH_ASSOC);
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} catch (PDOException $e) {
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new \Blog\Library\ErrorMsg("Fehler beim Abrufen der Benutzerdaten.", $e);
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return "Interner Datenbankfehler."; // Nur für Debug sichtbar machen, sonst besser allgemein halten
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}
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if (!$user) {
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return "Benutzer mit dieser E-Mail wurde nicht gefunden.";
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}
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if (!password_verify($password, $user['password'])) {
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return "Das eingegebene Passwort ist falsch.";
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}
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try {
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$now = new DateTime();
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$validUntil = new DateTime($user['valid_until']);
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if ($now > $validUntil) {
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return "Ihr Passwort ist abgelaufen. Bitte setzen Sie ein neues über \"Passwort vergessen\".";
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}
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} catch (\Exception $e) {
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new \Blog\Library\ErrorMsg("Fehler beim Verarbeiten des Gültigkeitsdatums.", $e);
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return "Fehler bei der Passwortprüfung.";
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}
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return true;
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}
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public function register($data) {
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if (!filter_var($data['email'], FILTER_VALIDATE_EMAIL)) {
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return "Bitte geben Sie eine gültige E-Mail ein.";
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}
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$requiredFields = [
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'email', 'password', 'street', 'house_number', 'city', 'postal_code',
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'country', 'first_name', 'last_name', 'phone'
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];
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foreach ($requiredFields as $field) {
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if (empty($data[$field])) {
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return "Bitte füllen Sie alle Felder aus.";
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}
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}
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if ($this->userExistsByEmail($data['email'])) {
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return "Ein Account mit dieser E-Mail existiert bereits.";
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}
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// Passwort-Validierung
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if (!$this->checkDoublePw($data['password'], $data['password_repeat'])) {
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return "Passwörter stimmen nicht überein.";
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}
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if ($this->pwRequirementCheck($data['password']) !== true) {
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return "Passwort muss mindestens 8 Zeichen lang sein und mindestens ein Großbuchstabe, ein Kleinbuchstabe, eine Zahl und ein Sonderzeichen enthalten.";
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}
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$hashedPassword = password_hash($data['password'], PASSWORD_DEFAULT);
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$sql = "INSERT INTO user (email, password, street, house_number, city, postal_code, country, first_name, last_name, phone, is_admin)
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VALUES (:email, :password, :street, :house_number, :city, :postal_code, :country, :first_name, :last_name, :phone, :is_admin)";
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$params = [
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':email' => $data['email'],
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':password' => $hashedPassword,
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':street' => $data['street'],
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':house_number' => $data['house_number'],
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':city' => $data['city'],
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':postal_code'=> $data['postal_code'],
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':country'=> $data['country'],
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':first_name' => $data['first_name'],
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':last_name'=> $data['last_name'],
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':phone' => $data['phone'],
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':is_admin' => $data['is_admin'] ? 1 : 0,
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];
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try {
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$pdo = $this->linkDB();
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$stmt = $pdo->prepare($sql);
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$stmt->execute($params);
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return true;
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} catch (PDOException $e) {
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new \Blog\Library\ErrorMsg("Fehler beim Schreiben der Daten.", $e);
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return false;
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}
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}
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private function userExistsByEmail($email) {
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try {
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$pdo = $this->linkDB();
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$sql = "SELECT user_id FROM user WHERE email = :email";
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$params = [':email' => $email];
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$stmt = $pdo->prepare($sql);
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$stmt->execute($params);
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return (bool) $stmt->fetch();
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} catch (\PDOException $e) {
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new \Blog\Library\ErrorMsg("Fehler bei der E-Mail-Prüfung", $e);
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return false;
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}
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}
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public function pwForgot($email){
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$randomPw = bin2hex(random_bytes(12 / 2));
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$hashedPassword = password_hash($randomPw, PASSWORD_DEFAULT);
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$this->forgottenPwUpdate($email, $hashedPassword);
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$betreff = "Passwort zurücksetzen bei bibArts";
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$nachricht = "Hallo,\n\nhier ihr temporäres Passwort:\n\n $randomPw \n\n Bitte beachten Sie, dass das Passwort nur 2 stunden Gülltig ist. \nViele Grüße,\nbibArts Team";
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$header = "From: noreply@edu.bib.de\r\n";
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$header .= "Content-Type: text/plain; charset=UTF-8\r\n";
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$maxTries = 5;
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$try = 0;
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$success = false;
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while ($try < $maxTries && !$success) {
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$erfolg = mail($email, $betreff, $nachricht, $header);
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$try++;
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if (!$erfolg) {
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error_log("Mailversuch $try an $email fehlgeschlagen.");
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sleep(1);
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}
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}
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}
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private function forgottenPwUpdate($email, $hashedPassword) {
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try{
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$pdo = $this->linkDB();
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$sqlCheck = "SELECT COUNT(*) FROM user WHERE email = :email";
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$stmt = $pdo->prepare($sqlCheck);
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$stmt->execute([':email' => $email]);
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if ($stmt->fetchColumn() == 0) {
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return false;
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}
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$validUntil = (new DateTime())->add(new DateInterval('PT2H'))->format('Y-m-d H:i:s');
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$sql = "UPDATE user
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SET password = :password, valid_until = :valid_until
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WHERE email = :email";
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$stmt = $pdo->prepare($sql);
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$params = [
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':email' => $email,
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':password' => $hashedPassword,
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':valid_until' => $validUntil
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];
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return $stmt->execute($params);
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} catch (PDOException $e) {
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new \Blog\Library\ErrorMsg("Fehler beim Aktualisieren der Daten.", $e);
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die;
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return false;
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}
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}
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public function updatePassword($email, $oldpw, $newpw){
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if(!$this->login($email, $oldpw)) {
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return false;
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}
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$requiredFields = [$email, $oldpw, $newpw];
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foreach ($requiredFields as $field) {
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if (empty($field)) {
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return "Bitte füllen Sie alle Felder aus";
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}
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}
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$hashedPassword = password_hash($newpw, PASSWORD_DEFAULT);
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$sql = "UPDATE user SET password = :password WHERE email = :email";
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try{
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$pdo = $this->linkDB();
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$stmt = $pdo->prepare($sql);
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$params = [
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':email' => $email,
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':password' => $hashedPassword,
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];
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return $stmt->execute($params);
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} catch (PDOException $e) {
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new \Blog\Library\ErrorMsg("Fehler beim Schreiben der Daten.", $e);
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die;
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}
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}
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public function checkDoublePw($password1, $password2){
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if($password1 === $password2){
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return true;
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}
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else
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return false;
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}
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public function pwRequirementCheck($password){
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$error = [];
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if(strlen($password) <= 8)
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$error[] = "min 8 Charackter";
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if(!preg_match("/[A-Z]/", $password))
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$error[] = "min one large Character";
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if(!preg_match("/[a-z]/", $password))
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$error[] = "min one small charakter";
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if(!preg_match("/[0-9]/", $password))
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$error[] = "min one number";
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if(!preg_match("[^a-zA-Z0-9\s]", $password));
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$error[] = "min one special character";
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if(empty($error))
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return true;
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else
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return $error;
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}
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}
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