Here you go:
change.php
PHP Code:
<?php
session_start();
header("Cache-control: private");
// use this file to let users' change their data that is stored in 'data.txt'
// use your own html to integrate the script into your site
?>
<html>
<head>
<title>Change/Update Details</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>
<FORM action="login.php?action=change" method="post">
<p>Username:
<?php echo $_SESSION['name']; ?>
</p>
<p>Name:
<INPUT name="name" type="text" value="<?php echo $_SESSION['realname']; ?>">
</p>
<p>Email:
<INPUT name="email" type="text" value="<?php echo $_SESSION['email']; ?>">
</p>
<p>Url:
<INPUT name="url" type="text" value="<?php echo $_SESSION['url']; ?>">
</p>
<p>Password:
<INPUT name="newpass" type="text" value="<?php echo $_SESSION['pass']; ?>">
<INPUT type="submit" value="Change">
</span>
</p>
</FORM>
</body>
</html>
login.php
PHP Code:
<?php
session_start();
header("Cache-control: private");
?>
<html>
<head>
<title>Logged-in</title>
</head>
<body>
<?php
$datafile="data.txt"; //name of the data file
if($_GET['action'] == "login") {
if(!isset($_POST['username']) || !isset($_POST['password'])){ //this checks that all the fields are filled in
error_message("One or more required fields were left blank!", $username, $password);
}
$file = file($datafile);
while(list(,$value) = each($file)) {
list($fname,$femail,$furl,$fuser,$fpass,$blank) = explode('|', $value);
if($_POST['username'] == $fuser && $_POST['password'] == $fpass){
$_SESSION['name'] = $fuser;
$_SESSION['realname'] = $fname;
$_SESSION['url'] = $furl;
$_SESSION['email'] = $femail; //adds the users data to the php session
$_SESSION['pass'] = $fpass;
//insert html for sucessfull log on here
//you can use . $_SESSION['name'] . for username
//replace name with realname, url, or email to display different name/field
?>
you are logged in.<br />
view you profile <a href="profile.php">here</a><br />
or logout <a href="logout.php">here</a>.
</body>
</html>
<?php
$logink = true;
}
}
if($logink !== true) {
?>
Login failed, bad username/password
<?
}
} elseif($_GET['action'] == 'change') {
if(!isset($_POST['name']) || !isset($_POST['email']) || !isset($_POST['url']) || !isset($_POST['newpass'])) {
//this checks that all the fields are filled in
?>
all fields were not filled in
<?
}
$file = file($datafile);
while(list(,$value) = each($file)){
list($fname,$femail,$furl,$fuser,$fpass) = explode('|', $value);
if($_SESSION['name'] == $fuser){
//opens data file to change it
$oldword = "$fname|$femail|$furl|$fuser|$fpass|";
$newword = $_POST['name'] . '|' . $_POST['email'] . '|' . $_POST['url'] . '|' . $_SESSION['name'] . '|' . $_POST['newpass'] . '|';
$fp = fopen($datafile, 'r');
$data = fread($fp, filesize($datafile));
fclose($fp);
$newdata = str_replace($oldword, $newword, $data);
$fp = fopen($datafile, 'w');
fwrite($fp,$newdata) or die ('error writing');
fclose($fp);
$succ = true; //data changed sucessfully
?>
Everything was changed successfully please <a href="user.php">login</a>
<?
$_SESSION['name'] = FALSE;
$_SESSION['pass'] = FALSE;
$_SESSION['url'] = FALSE;
$_SESSION['realname'] = FALSE;
$_SESSION['email'] = FALSE;
}
}
if($succ !== true) {
?>
Login failed, bad username/password
<?
}
} else {
exit;
}
?>
logout.php
PHP Code:
<?php
session_start();
header("Cache-control: private");
// html for logging out
?>
<html>
<head>
<title>Logout</title>
</head>
<body>
<?php
if(!$_SESSION['name']){
echo "you are not logged in"; // This is what will be displayed of no session data is found
} else {
$_SESSION['name'] = FALSE;
$_SESSION['pass'] = FALSE; //this deletes the session data from php
$_SESSION['url'] = FALSE;
$_SESSION['realname'] = FALSE;
$_SESSION['email'] = FALSE;
echo "you have been logged out";
}
?>
</body>
</html>
profile.php
PHP Code:
<?php
session_start();
header("Cache-control: private");
// use your own html to integrate the script into your site
?>
<html>
<head>
<title>Users Profile</title>
</head>
<body>
<?php
if(!$_SESSION['name']){
echo "you are not logged in"; // This is what will be displayed of no session data is found
} else {
echo "Username: " . $_SESSION['name'] . "<br />"; //this displays the information in the php session
echo "Name: " . $_SESSION['realname'] . "<br />"; //like a profile
echo "Url: <a href='" . $_SESSION['url'] . "'>" . $_SESSION['url'] . "</a><br />";
echo "Email: " . $_SESSION['email'] . "<br />";
echo "Pass: " . $_SESSION['pass'] . "<br />";
?>
<a href="change.php">Edit you profile </a>
<?php
}
?>
</body>
</html>
signup.php
PHP Code:
<html>
<head>
<title>Register</title>
</head>
<body>
<?php
$datafile = 'data.txt';
if($_GET['action'] == 'signup') {
if(!isset($_POST['name']) || !isset($_POST['email']) || !isset($_POST['url']) || !isset($_POST['username']) || !isset($_POST['password'])){
error_message('One or more required fields were left blank!', $_POST['name'], $_POST['email'], $_POST['url'], $_POST['username'], $_POST['password']);
}
$file = file($datafile);
while(list(,$value)=each($file)){ //check if user exists
list($fname,$femail,$furl,$fuser,$fpass,$blank)=split( "\|", $value);
if($username==$fuser){
error_message('Username is allready in use.', $_POST['name'], $_POST['email'], $_POST['url'], $_POST['username'], $_POST['password']);
}
}
$fp = fopen($datafile, 'a');
fwrite($fp, $_POST['name'] . '|' . $_POST['email'] . '|' . $_POST['url'] . '|' . $_POST['username'] . '|' . $_POST['password'] . "|\n");
fclose($fp);
//html for sucessfull signup
?>
You have been sucessfulle registered.<br />
You may now <a href="user.php">login</a> using the followin details<br />
username: <?echo $username;?><br />
password: <?echo $password;?>
</body>
</html>
<?php
} else {
//html for sign up
?>
<html>
<head>
<title>Register</title>
</head>
<body>
<FORM action="<?php echo $_SERVER['PHP_SELF']; ?>?action=signup" method="post">
<p>Name:
<INPUT type="text" name="name"></p>
<p>E-mail Address:
<INPUT type="text" name="email"></p>
<p>Website Address:
<INPUT type="text" name="url"></p>
<p>Desired Username:
<INPUT type="text" name="username"></p>
<p>Password:
<INPUT type="password" name="password"></p>
<INPUT type="submit" value="Sign-up">
</FORM>
</body>
</html>
<?php
}
function error_message($message, $name, $email, $url, $username, $password) {
?>
<html>
<head> //html for signing up error
<title>Error</title>
</head>
<body>
<?php echo $message;?> //error message
<FORM action="<?php echo $_SERVER['PHP_SELF']; ?>?action=signup" method="post">
<P>Name: <INPUT type="text" name="name" value="<?php echo $name;?>">
<P>E-mail Address: <INPUT type="text" name="email" value="<?php echo $email;?>">
<P>Website Address: <INPUT type="text" name="url" value="<?php echo $url;?>">
<P>Desired Username: <INPUT type="text" name="username" value="<?php echo $username;?>">
<P>Password: <INPUT type="password" name="password" value="<?php echo $password;?>">
<P><INPUT type="submit" value="Sign-up">
</FORM>
</body>
</html>
<?php
exit;
}
?>
</body>
</html>
user.php
PHP Code:
<html>
<head>
<title>User</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>
<body>
<form name="login" method="post" action="login.php?action=login">
<p>
Username: <input type="text" name="username">
</p>
<p>
Password:
<input type="password" name="password">
</p>
<p>
<input type="submit" name="Submit" value="Login">
</p>
<p>havent got a username register <a href="signup.php">here</a></p>
</form>
</body>
</html>
Also create a blank .txt file called
data.txt
Edit all the above HTML found within each file to your liking to integrate the script into your site.
NOTE:
You must chmod data.txt to 777
Files Included:
logout.php - Script to alow users to logout
signup.php - Script for users to register
profile.php - Displays users data
change.php - Alows users to change their data
login.php - Main php file
data.txt - File containing users data
users.php - Allows users to login
Simply run
user.php to test the script out. Hope this does what you want.
Bri
