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serv.php
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serv.php
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<?php
// REGISTER USER
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;
session_start();
if (isset($_GET['logout'])) {
session_destroy();
unset($_SESSION['username']);
header("location:".$_SESSION['page']);
}
if (isset($_POST['reg_user'])) {
// receive all input values from the form
$username = mysqli_real_escape_string($db, $_POST['username']);
$email = mysqli_real_escape_string($db, $_POST['email']);
$password_1 = mysqli_real_escape_string($db, $_POST['password_1']);
$password_2 = mysqli_real_escape_string($db, $_POST['password_2']);
$fname = mysqli_real_escape_string($db, $_POST['fname']);
$lname = mysqli_real_escape_string($db, $_POST['lname']);
// form validation: ensure that the form is correctly filled ...
// by adding (array_push()) corresponding error unto $errors array
if (empty($username)) { array_push($errors, "Username is required"); }
if (empty($email)) { array_push($errors, "Email is required"); }
if (empty($password_1)) { array_push($errors, "Password is required"); }
if ($password_1 != $password_2) {
array_push($errors, "The two passwords do not match");
}
// first check the database to make sure
// a user does not already exist with the same username and/or email
$user_check_query = "SELECT * FROM users WHERE username='$username' OR email='$email' LIMIT 1";
$result = mysqli_query($db, $user_check_query);
$user = mysqli_fetch_assoc($result);
if ($user) { // if user exists
if ($user['username'] === $username) {
array_push($errors, "Username already exists");
}
if ($user['email'] === $email) {
array_push($errors, "email already exists");
}
}
// Finally, register user if there are no errors in the form
if (count($errors) == 0) {
$password = md5($password_1);//encrypt the password before saving in the database
$_SESSION['verifycode'] = mt_rand(100000, 999999);
include_once "PHPMailer/PHPMailer.php";
include_once "PHPMailer/Exception.php";
$mail = new PHPMailer();
$mail->setFrom('[email protected]',"admin");
$mail->addAddress($email);
$mail->Subject = "Verify your account";
$mail->isHTML(true);
$mail->Body = "Enter the code to verify your account: ".$_SESSION['verifycode'];
if(!$mail->send()){
echo "Something went wrong !";
}
else{
echo "Done";
$query = "INSERT INTO users (username, email, password, fname, lname,verifi)
VALUES('$username', '$email', '$password', '$fname', '$lname',0)";
mysqli_query($db, $query);
$_SESSION['tempusername'] = $username;
$_SESSION['success'] = "You are now logged in";
$_SESSION['verific'] = 1;
$_SESSION['signup'] = 1;
header('location: index.php');
}
}else{
header('location: index.php');
}
}
// login user
if (isset($_POST['login_user'])) {
$username = mysqli_real_escape_string($db, $_POST['username']);
$password = mysqli_real_escape_string($db, $_POST['password']);
if (empty($username)) {
array_push($errors, "Username is required");
}
if (empty($password)) {
array_push($errors, "Password is required");
}
if (count($errors) == 0) {
$password = md5($password);
$query = "SELECT * FROM users WHERE username='$username' AND password='$password'";
$results = mysqli_query($db, $query);
if (mysqli_num_rows($results) == 1) {
$_SESSION['tempusername'] = $username;
if(mysqli_num_rows(mysqli_query($db,"SELECT * FROM users WHERE username='$username' AND password='$password' AND verifi = 1"))){
session_destroy();
session_start();
$_SESSION['username'] = $username;
header('location:'.$_SESSION['page'] );
}else{
$eee = mysqli_fetch_assoc(mysqli_query($db,$query));
$email = $eee['email'];
array_push($errors,"Your account is not verified");
$err = 1;
$_SESSION['verifycode'] = mt_rand(100000, 999999);
include_once "PHPMailer/PHPMailer.php";
include_once "PHPMailer/Exception.php";
$mail = new PHPMailer();
$mail->setFrom('[email protected]',"admin");
$mail->addAddress($email);
$mail->Subject = "Verify your account";
$mail->isHTML(true);
$mail->Body = "Enter the code to verify your account: ".$_SESSION['verifycode'];
if(!$mail->send()){
array_push($errors,"Internal error occured");
}
else{
echo "Done";
$_SESSION['verific'] = 1;
header("location: index.php");
}
}
}else {
array_push($errors, "Wrong username/password combination");
$errl = 1;
}
}
}
// Change Password
if (isset($_POST['changepwd'])) {
$oldpassword = mysqli_real_escape_string($db, $_POST['oldpassword']);
$password_1 = mysqli_real_escape_string($db, $_POST['password_1']);
$password_2 = mysqli_real_escape_string($db, $_POST['password_2']);
if ($password_1 != $password_2) {
array_push($errors, "The two passwords do not match");
}else{
if($_SESSION['forget_cpwd'] == 1){
if (count($errors) == 0) {
$password = md5($password_1);
$_SESSION['forget_cpwd'] = null;
mysqli_query($db,"UPDATE users SET password = '$password'");
header("location: index.php");
}
}else{
$checkpwd = mysqli_fetch_assoc(mysqli_query($db,"SELECT password FROM users WHERE username = {$_SESSION['username']}"));
if ($checkpwd['password'] != md5($oldpassword)){
array_push($errors,"Wrong current password !!!");
}
if (count($errors) == 0) {
$password = md5($password_1);
mysqli_query($db,"UPDATE users SET password = '$password'");
header("location: index.php");
}
}
}
}
// verify account
if(isset($_POST['check_veri'])){
$code = mysqli_real_escape_string($db, $_POST['veri']);
if($code == $_SESSION['verifycode']){
mysqli_query($db,"UPDATE users set verifi = 1 where username = {$_SESSION['tempusername']}");
$_SESSION['verific'] = null;
if($_SESSION['signup']==1){
$_SESSION['forget_cpwd'] = null;
}else{
$_SESSION['forget_cpwd'] = 1;
}
$_SESSION['username'] = $_SESSION['tempusername'];
header('location: index.php');
}
else{
array_push($errors, "Wrong Verification code");
$err = 1;
header('location: index.php');
}
}
// forget password
if(isset($_POST['forget_pwd'])){
$username = mysqli_real_escape_string($db, $_POST['username']);
$query = "SELECT * FROM users WHERE username='$username'";
$results = mysqli_query($db, $query);
if (mysqli_num_rows($results) == 1) {
$eee = mysqli_fetch_assoc(mysqli_query($db,$query));
$email = $eee['email'];
$_SESSION['tempusername'] = $username;
$_SESSION['verifycode'] = mt_rand(100000, 999999);
include_once "PHPMailer/PHPMailer.php";
include_once "PHPMailer/Exception.php";
$mail = new PHPMailer();
$mail->setFrom('[email protected]',"admin");
$mail->addAddress($email);
$mail->Subject = "Verify your account";
$mail->isHTML(true);
$mail->Body = "Enter the code to verify your account: ".$_SESSION['verifycode'];
if(!$mail->send()){
array_push($errors,"Internal error occured");
}
else{
$_SESSION['mailed'] = "We have sent verification code on your registered email .";
$_SESSION['verific'] = 1;
header("location: index.php");
}
}else{
array_push($errors,"Sorrry, You are not registered !!!");
$errl = 1;
}
}
?>