PHPexercise/create_account.php at master · albinfor/PHPexercise · 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
164
<?php
session_start();
require 'config/database.php';
?>


<!DOCTYPE html>
<html>

<head>
    <title>Start screen</title>

    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css">
</head>

<body>
    <div class="container">
        <h1>Welcome to Albin's simple server</h1>
        <p>Who are you?</p>

        <?php
        $usernameErr = "";
        $passwordErr = "";
        $nameErr = "";
        $ageErr = "";
        $emailErr = "";
        $cpasswordErr = "";

        $username = "";
        $password = "";
        $name = "";
        $age = "";
        $email = "";
        $cpassword = "";
        ?>

        <?php if ($_SERVER["REQUEST_METHOD"] == "POST") {

            $stmt = $conn->prepare("SELECT username FROM users WHERE username = :username");
            $stmt->bindParam(':username', $usernamesearch);

            // insert a row

            if (empty($_POST["username"])) {
                $usernameErr = "Username is required";
            } else {
                $username = test_input($_POST["username"]);
                $usernamesearch = htmlspecialchars(strip_tags($_POST['username']));
                $stmt->execute();
                $result = $stmt->setFetchMode(PDO::FETCH_NUM);
                $usernamefetch = $stmt->fetch();
                if ($usernamefetch != null){
                    $usernameErr = "User already exists, try another username";
                }
            }

            if (!empty($_POST["password"]) && ($_POST["password"] == $_POST["cpassword"])) {
                $password = test_input($_POST["password"]);
                $cpassword = test_input($_POST["cpassword"]);
                if (strlen($_POST["password"]) < 8) {
                    $passwordErr = "Your Password Must Contain At Least 8 Characters!";
                } elseif (!preg_match("#[0-9]+#", $password)) {
                    $passwordErr = "Your Password Must Contain At Least 1 Number!";
                } elseif (!preg_match("#[A-Z]+#", $password)) {
                    $passwordErr = "Your Password Must Contain At Least 1 Capital Letter!";
                } elseif (!preg_match("#[a-z]+#", $password)) {
                    $passwordErr = "Your Password Must Contain At Least 1 Lowercase Letter!";
                }
            } else {
                $passwordErr = "Password is required";
            }

            if (empty($_POST["name"])) {
                $nameErr = "Name is required";
            } else {
                $name = test_input($_POST["name"]);
                if (!preg_match("/^[a-zA-Z ]*$/", $name)) {
                    $nameErr = "Only letters and white space allowed";
                }
            }

            if (empty($_POST["age"])) {
                $ageErr = "Age is required";
            } else {
                $age = test_input($_POST["age"]);
            }

            if (empty($_POST["email"])) {
                $emailErr = "Email is required";
            } else {
                $email = test_input($_POST["email"]);
                if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
                    $emailErr = "Invalid email format";
                }
            }

            if ($usernameErr == "" && $passwordErr == "" && $nameErr == "" && $ageErr == "" && $emailErr == "") {
                $_SESSION['username'] = $username;
                $_SESSION['password'] = $password;
                $_SESSION['name'] = $name;
                $_SESSION['age'] = $age;
                $_SESSION['email'] = $email;
                header("Location: login.php");
                exit();
            }
        }
        function test_input($data)
        {
            $data = trim($data);
            $data = stripslashes($data);
            $data = htmlspecialchars($data);
            return $data;
        } ?>

        <form action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>" method="post">
            <table>
                <tr>
                    <td align="left">Username:</td>
                    <td align="left"><input type="text" name="username" value="<?php echo $username;?>"/><br></td>
                    <td align="left"><?php echo $usernameErr ?></td>
                </tr>
                <tr>
                    <td align="left">Password:</td>
                    <td align="left"><input type="password" name="password" /><br></td>
                    <td align="left"><?php echo $passwordErr ?></td>
                </tr>
                <tr>
                    <td align="left">Confirm Password:</td>
                    <td align="left"><input type="password" name="cpassword" /><br></td>
                    <td align="left"><?php echo $cpasswordErr ?></td>
                </tr>
                <tr>
                    <td align="left">Name:</td>
                    <td align="left"><input type="text" name="name" value="<?php echo $name;?>"/><br></td>
                    <td align="left"><?php echo $nameErr ?></td>
                </tr>
                <tr>
                    <td align="left">Age:</td>
                    <td align="left"><input type="number" name="age" min="0" value="<?php echo $age;?>"/><br></td>
                    <td align="left"><?php echo $ageErr ?></td>
                </tr>
                <tr>
                    <td align="left">Email:</td>
                    <td align="left"><input type="text" name="email" value="<?php echo $email;?>"/><br></td>
                    <td align="left"><?php echo $emailErr ?></td>
                </tr>
            </table>
            <input type="submit">
        </form>


        <form>

        </form>
        <?php
        require 'config/database.php';
        ?>
    </div>
</body>

</html>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script>