User authentication with notification of the system IP
Submitted by ronard on Sunday, December 8, 2013 - 06:58.
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This code will allows you to login with and notify you if your machine to be recognized to the system, with the help of the PHP codes that calls your IP Address.
Please see below and copy/paste to your web server then run to your browser.
Hope this code will help you guys. Please leave your comments below or any suggestions. Any problem with your web development just inquire me with this email: [email protected] :) happy codings...
- <?php
- ?>
- <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
- <html xmlns="http://www.w3.org/1999/xhtml">
- <head>
- <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
- <script type="text/javascript" src="js/jQuery.js"></script>
- <script type="text/javascript" src="js/notificationBox.js"></script>
- <style type="text/css">
- #mask {
- position:absolute;
- left:0;
- top:0;
- z-index:9000;
- background-color:#eee;
- display:none;
- }
- #boxes .window {
- position:absolute;
- left:0;
- top:0;
- width:440px;
- height:100px;
- display:none;
- z-index:9999;
- padding:20px;
- }
- #boxes #dialog {
- font-family:verdana;
- width:375px;
- height:103px;
- padding:10px;
- background-color:#ffffff;
- border-top-left-radius: 5pt;
- border-top-right-radius: 5pt;
- border-botttom-left-radius: 5pt;
- border-bottom-right-radius: 5pt;
- border-bottom-left-radius: 5pt;
- border: 2px solid lightgrey;
- }
- </style>
- </head>
- <body>
- <?php
- function get_ip_address() {
- $ip_keys = array('HTTP_CLIENT_IP', 'HTTP_X_FORWARDED_FOR', 'HTTP_X_FORWARDED', 'HTTP_X_CLUSTER_CLIENT_IP', 'HTTP_FORWARDED_FOR', 'HTTP_FORWARDED', 'REMOTE_ADDR');
- foreach ($ip_keys as $key) {
- // trim for safety measures
- // attempt to validate IP
- if (validate_ip($ip)) {
- return $ip;
- }
- }
- }
- }
- }
- /*** Ensures an ip address is both a valid IP and does not fall within
- * a private network range.*/
- function validate_ip($ip) {
- if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4 | FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE) === false) {
- return false;
- }
- return true;
- }
- $setIP = get_ip_address();
- ?>
- <?php
- //declaring variables
- $_dbHost = "localhost";
- $_dbUser = "root";
- $_dbPass = "";
- $_dbName = "tutorials";
- $_connFailed = "Database connection failed.";
- $_dbConnFailed = "Database selection failed.";
- ?>
- <?php
- //validate host connection
- echo $_connFailed;
- }
- //validate database
- echo $_dbConnFailed;
- }
- ?>
- <?php
- $loginQry = "SELECT * FROM users WHERE uName='$uName' AND uPass='$uPass' AND uIP='$_uIP'";
- if($userRaw) {
- $_SESSION['id'] = $userRaw['id'];
- echo "<script>windows: location='index.php?id=$uName'</script>";
- } else {
- $msgOut = "Sorry you can't login. Please check your input username and password.";
- }
- }
- ?>
- <div>
- <?php echo $msgOut?>
- </div>
- <div>
- <fieldset>
- <legend>User Authentication</legend>
- <form action="login.php" method="post">
- Username:
- <br />
- <input type="text" name="uName" placeholder="Username!">
- <br />
- <br />
- Password:
- <br />
- <input type="password" name="uPass" placeholder="Password!">
- <br />
- <br />
- IP Address:
- <br />
- <input type="text" name="uIP" value="<?php echo $setIP; ?>">
- <br /><br />
- <input type="submit" name="login" value="Login"><input type="reset" value="Clear">
- </form>
- <br />
- <a href="login.php">Not yet registered?</a>
- </fieldset>
- </div>
- <?php
- $_uIP = $setIP;
- $query = mysql_query("Select * From users Where uIP = '$_uIP'") or die ("Database query failed." . mysql_error());
- } else {
- ?>
- <div id="boxes" onClick="window.location='register.php'">
- <div style="top: 199.5px; left: 551.5px; display: none;" id="dialog" class="window">
- <b style="color: #336699;">System Notification</b>
- <hr />
- <div>
- <font color="red"><b>Your machine is not recognized. Please ask for assistance to your system administrator.</b></font>
- </div>
- </div>
- <div style="width: 1478px; height: 202px; display: none; opacity: 0.8;" id="mask">
- </div>
- </div>
- <?php
- }
- ?>
- <?php
- //$query = mysql_query("Select * From users Where ");
- ?>
- </body>
- </html>
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