cs340_project/update_admin.php at main · ricardoyanez/cs340_project · 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
<!--
Author: Ricardo Yanez <yanezr@oregonstate.edu>
Date: 11/23/2021

Course: CS 340 (Introduction to Databases)
 -->

<!DOCTYPE html>
<html>
  <head>
    <title>Report and Delist Spam</title>
    <link rel="stylesheet" href="style.css" media="screen" />
    <link href="https://fonts.googleapis.com/css2?family=Roboto:wght@100;400&display=swap" rel="stylesheet">
    <script src='https://www.google.com/recaptcha/api.js?hl=en'></script>
  </head>
  <body>

    <div class="navbar">
      <a href="/">Home</a>
      <a href="/report">Report</a>
      <a href="/ip">IP</a>
      <a href="/delist">Delist</a>
      <a href="/admin" class="active">Admin</a>
    </div>

<?php

if ( ($_SERVER['HTTP_REFERER'] == "https://cs340.calel.org/admin") ) {
  if ($_SERVER['REQUEST_METHOD'] == 'POST'){

    $conn = mysqli_connect("localhost", "cs340_yanezr", "0735") or die(mysqli_error());
    mysqli_select_db($conn, "cs340_yanezr") or die(mysqli_error());

    if( isset($_POST['admin_id']) && !empty($_POST['admin_id']) AND isset($_POST['admin_email']) && !empty($_POST['admin_email']) AND isset($_POST['flag']) && !empty($_POST['flag']) ) {

      $admin_id = mysqli_escape_string($conn, $_POST['admin_id']);
      $admin_email = mysqli_escape_string($conn, $_POST['admin_email']);

      // validate data
      if (!filter_var($admin_email, FILTER_VALIDATE_EMAIL)) {
        exit("<section>$admin_email is not a valid email address</section>");
      }

      // close DB connection
      mysqli_close($conn);

      if ( $_POST['flag'] == 1 ) {
        print "<section>";
        print "<h1>Update Administrator e-mail Address</h1>";
        print "<form method='post' name='update_admin' action='/update_admin'>";
        print "<div class='field'>";
        print "<p>New e-mail Address</p>";
        print "<input type='email' name='admin_email' size='20' placeholder='".$admin_email."'>";
        print "</div><br>";
        print "<div class='g-recaptcha' data-sitekey='6Lcix2sdAAAAAE2A5jRH9BOGoFrwA_Ajh9SRxpHq'></div>";
        print "<br>";
        print "<input type='hidden' name='admin_id' value='".$admin_id."'>";
        print "<input type='hidden' name='flag' value='2'>";

        print "<table>";
        print "<tr>";
        print "<td>";
        print "<div class='submit-button'>";
        print "<button type='submit'>Update</button>";
        print "</div>";
        print "</form>";
        print "</td>";
        print "<td>&nbsp;<br></td>";
        print "<td>";
        print "<form method='post' name='update_admin' action='/admin'>";
        print "<div class='submit-button'>";
        print "<button type='submit'>Cancel</button>";
        print "</div>";
        print "</form>";
        print "</td>";
        print "</tr>";
        print "</table>";
        print "</section>";
      }
    }
  }
}

if ( ($_SERVER['HTTP_REFERER'] == "https://cs340.calel.org/update_admin") ) {
  if ($_SERVER['REQUEST_METHOD'] == 'POST'){

    if ( isset($_POST['g-recaptcha-response']) ) {
      $response_string = $_POST['g-recaptcha-response'];
      // fake secret key
      $my_secret="secretkeyplaceholder";
      $user_ip_address=$_SERVER['REMOTE_ADDR'];
      $output=shell_exec("curl 'https://www.google.com/recaptcha/api/siteverify?secret=$my_secret&response=$response_string&remoteip=$user_ip_address'");
      $recaptcha=json_decode($output,true);
      if ( !$recaptcha['success'] ) {
        exit("<section></p>Only humans are allowed to use this site.</p></section>");
      }
    }

    $conn = mysqli_connect("localhost", "cs340_yanezr", "0735") or die(mysqli_error());
    mysqli_select_db($conn, "cs340_yanezr") or die(mysqli_error());

    if( isset($_POST['admin_id']) && !empty($_POST['admin_id']) AND isset($_POST['admin_email']) && !empty($_POST['admin_email']) AND isset($_POST['flag']) && !empty($_POST['flag']) ) {

      $admin_id = mysqli_escape_string($conn, $_POST['admin_id']);
      $admin_email = mysqli_escape_string($conn, $_POST['admin_email']);

      // validate data
      if (!filter_var($admin_email, FILTER_VALIDATE_EMAIL)) {
        exit("<section>$admin_email is not a valid email address</section>");
      }

      if ( $_POST['flag'] == 2 ){
        // update ADMIN table
        $sql = "UPDATE admin SET admin_email='".$admin_email."' WHERE admin_id='".$admin_id."'";
        mysqli_query($conn,$sql) or die(mysqli_error($conn));

        // update DELIST table
        $sql = "UPDATE delist SET delist_email='".$admin_email."' WHERE delist_id='".$admin_id."'";
        mysqli_query($conn,$sql) or die(mysqli_error($conn));
      }
    }

    // close DB connection
    mysqli_close($conn);

    header("Location: admin");
  }
}

?>

  </body>
</html>