PHP-MySQL-Blog-Website-with.../admin/add-user-logic.php
2024-03-29 12:06:56 +05:30

101 lines
No EOL
4.2 KiB
PHP

<?php
require "config/database.php";
if(!isset($_SESSION['user_is_admin'])){
header("location: " . ROOT_URL . "logout.php");
//destroy all sessions and redirect user to login page
session_destroy();
}
//get add-user form data if sbmit button is clicked
if(isset($_POST["submit"])){
$firstname = filter_var($_POST['firstname'], FILTER_SANITIZE_FULL_SPECIAL_CHARS);
$lastname = filter_var($_POST['lastname'], FILTER_SANITIZE_FULL_SPECIAL_CHARS);
$username = filter_var($_POST['username'], FILTER_SANITIZE_FULL_SPECIAL_CHARS);
$email = filter_var($_POST['email'], FILTER_VALIDATE_EMAIL);
$createpassword = filter_var($_POST['createpassword'], FILTER_SANITIZE_FULL_SPECIAL_CHARS);
$confirmpassword = filter_var($_POST['confirmpassword'], FILTER_SANITIZE_FULL_SPECIAL_CHARS);
$is_admin = filter_var($_POST['userrole'], FILTER_SANITIZE_NUMBER_INT);
$avatar = $_FILES['avatar'];
if(!$firstname){
$_SESSION['add-user'] = 'Please enter your First Name';
}elseif(!$lastname){
$_SESSION['add-user'] = 'Please enter your Last Name';
}elseif(!$username){
$_SESSION['add-user'] = 'Please enter your Username';
}elseif(!$email){
$_SESSION['add-user'] = 'Please enter your Email';
}elseif(!($is_admin == 1 || $is_admin == 0 )){
$_SESSION['add-user'] = 'Please select user role';
}elseif(strlen($createpassword)<8 || strlen($confirmpassword)<8){
$_SESSION['add-user'] = 'Password should be 8+ characters';
}elseif(!$avatar['name']){
$_SESSION['add-user'] = 'Please add Avatar ';
}else{
if($createpassword !== $confirmpassword){
$_SESSION['add-user']="Passwords donot match";
}else{
$hashed_password = password_hash($createpassword,PASSWORD_DEFAULT);
$user_check_query="SELECT * FROM users WHERE username='$username' OR email ='$email'";
$user_check_result = mysqli_query($connection, $user_check_query);
if(mysqli_num_rows($user_check_result)>0){
$_SESSION['add-user'] = "Username or Email already exists";
}else{
//WORK ON AVATAR
//rename avatar
$time = time(); // make each image name unique using current timestamp
$avatar_name = $time . $avatar['name'];
$avatar_tmp_name=$avatar['tmp_name'];
$avatar_destination_path='../images/' . $avatar_name;
//,ake sure file is an image
$allowed_files = ['png', 'jpg', 'jpeg'];
$extension = explode('.', $avatar_name);
$extension = end($extension);
if(in_array($extension,$allowed_files)){
//if image not too large
if($avatar['size']<1000000){
//upload avatar
move_uploaded_file($avatar_tmp_name, $avatar_destination_path);
}else{
$_SESSION['add-user']="Folder size too big.Should be less than 1mb";
}
}else{
$_SESSION['add-user']="File should be png, jpg or jpeg";
}
}
}
}
// redirect back t add-user on error
if(isset($_SESSION['add-user'])){
// pass data back to sign up page
$_SESSION['add-user-data'] = $_POST;
header('location: ' . ROOT_URL . 'admin/add-user.php');
die();
}else{
//insert new user into users table
$inset_user_query = "INSERT INTO users SET firstname ='$firstname' ,lastname='$lastname',username='$username',email ='$email' ,password='$hashed_password',avatar='$avatar_name',is_admin='$is_admin'";
$inset_user_result = mysqli_query($connection, $inset_user_query);
if(!mysqli_errno($connection)){
$_SESSION['add-user-success'] = "Registration Successful";
header('location: ' . ROOT_URL . 'admin/manage-users.php');
die();
}
}
}else{
//button not clicked
header('location: ' . ROOT_URL . "admin/add-user.php");
die();
}