NeedToWork/index.php at master · FloppyHDGitHub/NeedToWork · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
<?php
// Initialize the session
session_start();

// Check if the user is already logged in, if yes then redirect him to welcome page
if(isset($_SESSION["loggedin"]) && $_SESSION["loggedin"] === true){
    header("location: core/php/main.php");
    exit;
}

// Include config file
require_once "core/database/mysql/config/config.php";

// Define variables and initialize with empty values
$username = $password = "";
$username_err = $password_err = $login_err = "";

// Processing form data when form is submitted
if($_SERVER["REQUEST_METHOD"] == "POST"){

    // Check if username is empty
    if(empty(trim($_POST["username"]))){
        $username_err = "Please enter username.";
    } else{
        $username = trim($_POST["username"]);
    }

    // Check if password is empty
    if(empty(trim($_POST["password"]))){
        $password_err = "Please enter your password.";
    } else{
        $password = trim($_POST["password"]);
    }

    // Validate credentials
    if(empty($username_err) && empty($password_err)){
        // Prepare a select statement
        $sql = "SELECT id, username, password FROM users WHERE username = ?";


        if($stmt = $mysqli->prepare($sql)){
            // Bind variables to the prepared statement as parameters
            $stmt->bind_param("s", $param_username);

            // Set parameters
            $param_username = $username;

            // Attempt to execute the prepared statement
            if($stmt->execute()){
                // Store result
                $stmt->store_result();

                // Check if username exists, if yes then verify password
                if($stmt->num_rows == 1){
                    // Bind result variables
                    $stmt->bind_result($id, $username, $hashed_password);
                    if($stmt->fetch()){
                        if(password_verify($password, $hashed_password)){
                            // Password is correct, so start a new session
                            session_start();

                            // Store data in session variables
                            $_SESSION["loggedin"] = true;
                            $_SESSION["id"] = $id;
                            $_SESSION["username"] = $username;

                            // Redirect user to welcome page
                            header("location: core/php/main.php");
                        } else{
                            // Password is not valid, display a generic error message
                            $login_err = "Invalid username or password.";
                        }
                    }
                } else{
                    // Username doesn't exist, display a generic error message
                    $login_err = "Invalid username or password.";
                }
            } else{
                echo "Oops! Something went wrong. Please try again later.";
            }

            // Close statement
            $stmt->close();
        }
    }

    // Close connection
    $mysqli->close();
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
<!--      styles-->
    <link rel="stylesheet" href="core/stylesheet/css/style.main.css">
    <link rel="stylesheet" href="core/Plugins/FontAwesome/css/all.min.css">
<!--      scripts-->
    <link rel="script" href="core/js/script.main.js">
<!--      font-familys-->
    <link rel="stylesheet" href="core/stylesheet/fonts/style.font-face.css">
<!--      icons-->

<!--      links-->
    <link rel="manifest" href="manifest.json">


    <title>Atrium</title>
</head>
<body style="
background-image: url('core/img/AtriumLogin.jpg');
background-repeat: no-repeat;
background-size: cover;
background-color: black;
">
    <div style="display: flex; justify-content: center;">
        <div class="LoginBox">
            <div class="BoxInner">
                <div class="wrapper">
                    <h2> Willkommen</h2>
                    <p>Hier kannst du dich anmelden</p>

                    <?php
                    if(!empty($login_err)){
                        echo '<div class="alert alert-danger">' . $login_err . '</div>';
                    }
                    ?>
                    <form action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>" method="post" >
                        <div>
                            <select placeholder="Tresen" type="list" name="username" class="unFill <?php echo (!empty($username_err)) ? 'is-invalid' : ''; ?>" value="<?php echo $username; ?>" >
                                <option value="A">A</option>
                                <option value="B">B</option>
                                <option value="C">C</option>
                                <option value="D">D</option>
                                <option value="E">E</option>
                                <option value="BLACK">Black</option>
                                <option value="EMPORE">Empore</option>
                                <option value="TREPPE">Treppe</option>
                                <option value="SPACE">Space</option>
                                <option value="SAUSE">Sause</option>
                                <option value="ALM">Alm</option>
                                <option value="COCKTAIL">Cocktail</option>
                            </select>

                            <span class="invalid-feedback"><?php echo $username_err; ?></span>
                        </div>
                        <div class="form-group">
                            <br>
                            <input placeholder="Passwort" type="password" name="password" class="pwFill <?php echo (!empty($password_err)) ? 'is-invalid' : ''; ?>">
                            <span class="invalid-feedback"><?php echo $password_err; ?></span>
                        </div>
                        <div class="form-group"><br>
                            <input type="submit" class="loginBtn" value="Login">
                        </div>
                </div>
            </div>
        </div>
    </div>
    </form>

</body>
</html>