Php Programming Code Examples

Php > User Management Code Examples

Filebased password check



Filebased password check

<?php 
// This is your indexfile: index.php 
?> 
<HTML> 
<HEAD> 
<TITLE>password admin</TITLE> 
</HEAD> 

<BODY link="#0066FF" vLink=#0066FF aLink=#0066FF bgcolor="#FFFFFF"> 
<?php 
$logok = FALSE; 

if (isset($login) and isset($passwd)){ 
  $fp = fopen("password.txt", "r"); 

  while (feof($fp) == 0) 
  { 
    $line = chop(fgets($fp,1000)); 
    $arr = split(",", $line); 
    if (($arr[0] == $login) and ($arr[1] == $passwd)) 
    { 
       $logok = TRUE; 
       continue; 
    } 
  } 
} 

if (!$logok) 
{ 

?> <a name=top></a> 
<form method="post" action="index.php" name=loginform> 
  <table border="0" cellspacing="0" cellpadding="0" align="center" width="100%"> 
    <tr align="left"> 
      <td valign="top" width="480"> 
        <table border="0" cellspacing="0" cellpadding="0"> 
          <tr align="left"> 
            <td><font size="-2">login</font> </td> 
          </tr> 
          <tr> 
            <td> 
              <input type="text" name="login" maxlength=50 size=10 style="width: 90px; font-size: 10px"> 
            </td> 
          </tr> 
          <tr> 
            <td> 
              <input type="password" name="passwd" maxlength=50 size=10 style="width: 90px; font-size: 10px"> 
            </td> 
          </tr> 
          <tr align="left"> 
            <td><font size="-2">password </font> </td> 
          </tr> 
          <tr align="right"> 
            <td> 
              <input type="Submit" value="login" name="action" style="width: 30px; heigth: 18px; font-size: 10px"> 
            </td> 
          </tr> 
        </table> 
      </td> 
    </tr> 
  </table> 
  <br> 
</form> 
<?php } ?> 

<?php 
if ($logok) 
{ 
?> 
  <script language=JavaScript> 
    window.location.href="your_next_file.php"; 
  </script> 
<?php 
} 
?> 

<script language=JavaScript> 
<!-- 
if (document.loginform) { 
   document.loginform.login.focus(); 
} 
// --> 
</script> 
</BODY> 
</HTML> 


********

The next 2 lines will be in your plain-text-file password.txt: 
your_login_1,your_password_1 
your_login_2,your_password_2