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@Iqbolshoh
Iqbolshoh committed May 9, 2024
0 parents commit cd8c659
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24 changes: 24 additions & 0 deletions admin/index.php
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<?php
include '../config.php';
$query = new Query;
$query->checkAdminRole(); ?>

<!DOCTYPE html>
<html lang="en">

<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Admin</title>
<link rel="stylesheet" href="../css/style.css">
</head>

<body>
<div class="admin-panel">
<h2>Welcome Admin!</h2>
<p>This is your Dashboard.</p>
<a href="../logout/">Logout</a>
</div>
</body>

</html>
204 changes: 204 additions & 0 deletions config.php
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<?php

session_start();
class Query
{
private $conn;

public function __construct()
{
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "Roles";
$this->conn = new mysqli($servername, $username, $password, $dbname);

if ($this->conn->connect_error) {
die("Connection error: " . $this->conn->connect_error);
}
}

public function __destruct()
{
if ($this->conn) {
$this->conn->close();
}
}

// validate(): here converts @#$%^ characters to html
function validate($value)
{
$value = trim($value);
$value = stripslashes($value);
$value = htmlspecialchars($value);
$value = mysqli_real_escape_string($this->conn, $value);
return $value;
}

// executeQuery(): to execute the query
public function executeQuery($sql)
{
$result = $this->conn->query($sql);
if ($result === false) {
die("Xatolik: " . $this->conn->error);
}
return $result;
}

// select(): To add information to the database.
public function select($table, $columns = "*", $condition = "")
{
$sql = "SELECT $columns FROM $table $condition";
return $this->executeQuery($sql)->fetch_all(MYSQLI_ASSOC);
}

// insert(): To add information to the database.
public function insert($table, $data)
{
$keys = implode(', ', array_keys($data));
$values = "'" . implode("', '", array_values($data)) . "'";
$sql = "INSERT INTO $table ($keys) VALUES ($values)";
return $this->executeQuery($sql);
}

// update(): To update data in the database.
public function update($table, $data, $condition = "")
{
$set = '';
foreach ($data as $key => $value) {
$set .= "$key = '$value', ";
}
$set = rtrim($set, ', ');
$sql = "UPDATE $table SET $set $condition";
return $this->executeQuery($sql);
}

// delete(): To delete information.
public function delete($table, $condition = "")
{
$sql = "DELETE FROM $table $condition";
return $this->executeQuery($sql);
}

// hashPassword(): Password hashing
function hashPassword($password)
{
$key = "AccountPassword";
return hash_hmac('sha256', $password, $key);
}

// authenticate(): To verify the user's login information.
public function authenticate($username, $password, $table)
{
$username = $this->validate($username);
$condition = "WHERE username = '" . $username . "' AND password = '" . $this->hashPassword($password) . "'";
return $this->select($table, "*", $condition);
}

// registerUser(): To register a new user.
public function registerUser($name, $number, $email, $username, $password, $profile_image, $role)
{
$name = $this->validate($name);
$number = $this->validate($number);
$email = $this->validate($email);
$username = $this->validate($username);

$password_hash = $this->hashPassword($password);

$data = array(
'name' => $name,
'number' => $number,
'email' => $email,
'username' => $username,
'password' => $password_hash,
'profile_image' => $profile_image,
'role' => $role
);

$user_id = $this->insert('accounts', $data);

if ($user_id) {
return $user_id;
}
return false;
}

// saveImage(): To upload a picture
function saveImage($files, $path)
{
if (is_array($files['tmp_name'])) {
$uploaded_files = array();
foreach ($files['tmp_name'] as $index => $tmp_name) {
$file_name = $files['name'][$index];
$file_info = pathinfo($file_name);
$file_extension = $file_info['extension'];
$new_file_name = md5($tmp_name . date("Y-m-d_H-i-s") . $_SESSION['username']) . "." . $file_extension;
if (move_uploaded_file($tmp_name, $path . $new_file_name)) {
$uploaded_files[] = $new_file_name;
}
}
return $uploaded_files;
} else {

$file_name = $files['name'];
$file_tmp = $files['tmp_name'];

$file_info = pathinfo($file_name);
$file_format = $file_info['extension'];

$new_file_name = md5($file_tmp . date("Y-m-d_H-i-s") . $_SESSION['username']) . "." . $file_format;

if (move_uploaded_file($file_tmp, $path . $new_file_name)) {
return $new_file_name;
}
return false;
}
}

// checkAuthentication(): Checking roles and directing them
function checkAuthentication()
{
if (isset($_SESSION['loggedin']) && $_SESSION['loggedin'] === true) {
if ($_SESSION['role'] === 'admin') {
header("Location: /admin/");
exit;
} elseif ($_SESSION['role'] === 'seller') {
header("Location: /seller/");
exit;
} elseif ($_SESSION['role'] === 'user') {
header("Location: /");
exit;
}
} else {
header("Location: /login/");
exit;
}
}

// checkAdminRole(): For Admin access only
function checkAdminRole()
{
if ($_SESSION['role'] !== 'admin') {
$this->checkAuthentication();
exit;
}
}

// checkSellerRole(): For Seller access only
function checkSellerRole()
{
if ($_SESSION['role'] !== 'seller') {
$this->checkAuthentication();
exit;
}
}

// checkUserRole(): For user access only
function checkUserRole()
{
if ($_SESSION['role'] !== 'user') {
$this->checkAuthentication();
exit;
}
}
}
131 changes: 131 additions & 0 deletions css/login.css
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body {
font-family: Arial, sans-serif;
background-color: #f4f4f4;
margin: 0;
padding: 0;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
}

form {
background-color: #fff;
border-radius: 10px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
padding: 20px;
width: 300px;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}

form h2 {
font-size: 28px;
color: #333;
text-align: center;
}

form input {
width: 100%;
padding: 10px;
margin-bottom: 10px;
font-size: 14px;
box-sizing: border-box;
border: 1px solid #ccc;
border-radius: 4px;
}

form input[type="submit"] {
background-color: #4caf50;
color: #fff;
cursor: pointer;
font-size: 18px;
padding: 11px;
font-weight: 600;
}

form p {
text-align: center;
margin-top: 10px;
}

form p a {
color: #4caf50;
text-decoration: none;
}

form p a:hover {
text-decoration: underline;
}

.error {
background: #ffebeb;
color: #ff5252;
border: 1px solid rgba(255, 82, 82, 0.3);
padding: 8px;
border-radius: 5px;
font-size: 20px;
position: absolute;
right: 20px;
bottom: 0;
}

@keyframes fadeInOut {
0% {
opacity: 0;
transform: translateY(-20px);
}

100% {
opacity: 1;
transform: translateY(0);
}
}

.error {
animation: fadeInOut 0.5s ease forwards;
}

form select {
margin-bottom: 15px;
padding: 10px;
width: 300px;
border: 1px solid #ccc;
border-radius: 5px;
appearance: none;
background-image: url('data:image/svg+xml;utf8,<svg fill="currentColor" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path fill-rule="evenodd" clip-rule="evenodd" d="M7.293 9.293a1 1 0 011.414 0l3 3a1 1 0 01-1.414 1.414L10 11.414l-2.293 2.293a1 1 0 01-1.414-1.414l3-3z"></path></svg>');
background-repeat: no-repeat;
background-position: right 10px top 50%;
background-size: 14px 14px;
padding-right: 30px;
}

form select:focus {
outline: none;
border-color: #4caf50;
}

.file-input-container {
margin: 20px 0px;
}

.custom-file-upload {
border: 2px solid #4caf50;
border-radius: 5px;
background-color: #4caf50;
color: #fff;
padding: 10px 96px;
cursor: pointer;
transition: all 0.3s ease;
}

.custom-file-upload:hover {
background-color: #388e3c;
border-color: #388e3c;
}

#file-input {
display: none;
}
27 changes: 27 additions & 0 deletions css/style.css
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body {
font-family: Arial, sans-serif;
background-color: #f4f4f4;
margin: 0;
padding: 0;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
}

.admin-panel h2 {
color: #333;
}

.admin-panel p {
margin-bottom: 20px;
}

.admin-panel a {
display: block;
padding: 10px;
background-color: #4caf50;
color: #fff;
text-decoration: none;
border-radius: 4px;
}
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