Baljeet
Member
- Jan 31, 2011
- 76
- 0
This was made probably cheaply but i learned alot while making this and it could possibly help people who are starting out in PHP.
config.php
login.php
logout.php
main.php
process.php
register.php
If you have any questions let me know. I will explain anything else if you need
All Credits goes to one who really made this...
config.php
PHP:
<?php
class MySQLDB
{
var $connection; //The MySQL database connection
/* Class constructor */
function MySQLDB(){
/* Make connection to database */
$this->connection = @mysql_connect(localhost, whitey, abc123) or die(mysql_error());
@mysql_select_db(blue, $this->connection) or die(mysql_error());
}
/**
* query - Performs the given query on the database and
* returns the result, which may be false, true or a
* resource identifier.
*/
//Use this function as query("Query line of code");
function query($query){
return mysql_query($query, $this->connection);
}
};
$config = new MySQLDB;
?>login.php
PHP:
<?php
// Session Start is always needed when working with sessions.
session_start();
//Checks to see if the session error exist.. And if it does echo the error
if(session_is_registered(error))
{
echo ($_SESSION['error']);
session_unregister(error);
session_destroy();
}
?>
<table width="300" border="0" align="center" cellpadding="0" cellspacing="1" bgcolor="#CCCCCC">
<tr>
<form name="form1" method="post" action="process.php">
<td>
<table width="100%" border="0" cellpadding="3" cellspacing="0" bgcolor="#FFFFFF">
<tr>
<td colspan="4"><strong>Member Login </strong></td>
</tr>
<tr>
<td width="68"><div align="right">Username</div></td>
<td width="3">:</td>
<td width="205"><input name="myusername" type="text" id="myusername"></td>
<td width="205">
<?php
// Checks to see if the Session Bad_char exist which is another error type.
if(session_is_registered(bad_char))
{
echo ($_SESSION['bad_char']);
session_unregister(bad_char);
session_destroy();
}
?></td>
</tr>
<tr>
<td><div align="right">Password</div></td>
<td>:</td>
<td><input name="mypassword" type="password" id="mypassword"></td>
<td> </td>
</tr>
<tr>
<td><input name="login" type="hidden" value="1"></td>
<td> </td>
<td><input type="submit" name="Submit" value="Login"></td>
<td> </td>
</tr>
<tr>
<td colspan="4"><div align="center"><a href="register.php">Register Account? </a></div></td>
</tr>
</table>
</td>
</form>
</tr>
</table>logout.php
PHP:
<?
//Just in case the page was viewed it does a session_start or it would release an error.
session_start();
//Destroys all the sessions
session_destroy();
//Unregisters your login
session_unregister(myusername);
//Redirects you back to the login page after 5 seconds
echo("<center><font size='4'>You are now logged out</font>");
echo("<br><a href='login.php'>Now redirecting you to home page or click here if you do not wish to wait.</a></center>");
echo("<META HTTP-EQUIV='refresh' CONTENT='5;login.php'>");
?>main.php
PHP:
<?
//Checks to see if you were logged in (if session myusername was registered or not)
//Redirects back to login.php if you aren't logged in and tryed viewing this page.
session_start();
if(!session_is_registered(myusername)){
header("location:login.php");
}
?>
<html>
<body>
<p>Login Successful<br>
<a href="logout.php">Logout?</a></p>
</body>
</html>process.php
PHP:
<?php
include("config.php");
class Process
{
function Process($connection){
if(isset($_POST['login'])){
$this->login();
}
elseif(isset($_POST['register'])){
$this->register();
}
else{
header("Location: login.php");
}
}
//Member Login
function login(){
global $config;
ob_start();
// Define $myusername and $mypassword
$myusername=$_POST['myusername'];
$mypassword=$_POST['mypassword'];
# Allows letters, numbers
if(!preg_match('/^[a-zA-Z0-9]+$/i', $myusername))
{
session_register(bad_char);
$_SESSION['bad_char'] = "<center><font color='red' size='1'>Invalid Charcter; Only Letters Or Numbers Can Be Used!</font></center>";
header("location:login.php");
}
// To protect MySQL injection (more detail about MySQL injection)
$myusername = stripslashes($myusername);
$mypassword = stripslashes($mypassword);
$myusername = mysql_real_escape_string($myusername);
$mypassword = mysql_real_escape_string($mypassword);
$encrypt_password = md5($mypassword);
$query = $config->query("SELECT * FROM members WHERE username='".$myusername."' and password='".$encrypt_password."'");
// Mysql_num_row is counting table row
$count=mysql_num_rows($query);
// If result matched $myusername and $mypassword, table row must be 1 row
if($count==1){
// Register $myusername, $mypassword and redirect to file "login_success.php"
session_register("myusername");
header("location:main.php");
}
else {
session_register(error);
$_SESSION['error'] = "<center><font color='red' size='4'>Wrong Username or Password</font></center>";
header("location:login.php");
}
ob_end_flush();
}
//Register_Submit
function register(){
global $config;
//Defines All The Users Inputs
$myusername=$_POST['myusername'];
$myusername2=$_POST['myusername'];
$mypassword=$_POST['mypassword'];
$mypassword2=$_POST['mypassword2'];
$email=$_POST['email'];
$passwordcount=$_POST['mypassword'];
# Allows letters, numbers
if(!preg_match('/^[a-zA-Z0-9]+$/i', $myusername2))
{
session_register(bad_char);
$_SESSION['bad_char'] = "<center><font color='red' size='1'>Invalid Charcter; Only Letters Or Numbers Can Be Used!</font></center>";
header("location:register.php");
}
//Stop SQL Injection
$myusername = stripslashes($myusername);
$mypassword = stripslashes($mypassword);
$mypassword2 = stripslashes($mypassword2);
$email = stripslashes($email);
$myusername = mysql_real_escape_string($myusername);
$mypassword = mysql_real_escape_string($mypassword);
$mypassword2 = mysql_real_escape_string($mypassword2);
$email = mysql_real_escape_string($email);
//encrypt password variable
$encrypt_password = md5($mypassword);
$query = $config->query("SELECT * FROM members WHERE username='".$myusername."'");
// Mysql_num_row is counting table row
$count=mysql_num_rows($query);
// If result matches $myusername then username is taken
if($count===1){
// Send error back to the register page if count = 1
session_register(username_taken);
$_SESSION['username_taken'] = "<center><font color='red' size='1'>The Username You Chose Is Already In Use</font></center>";
header("location:register.php");
}
elseif($mypassword != $mypassword2)
{
session_register(password_same);
$_SESSION['password_same'] = "<center><font color='red' size='1'>Passwords Dont Match</font></center>";
header("location:register.php");
}
elseif(strlen($mypassword) < "5")
{
session_register(password_less_then_5);
$_SESSION['password_less_then_5'] = "<center><font color='red' size='1'>Password Must be Greater then 4 Charcters</font></center>";
header("location:register.php");
}
else
{
$query = $config->query("INSERT INTO members (id, username, password, email) VALUES (NULL, '$myusername', '$encrypt_password', '$email')");
session_register(welcome_screen);
$_SESSION['welcome'] =
"Welcome, You are now a member of Corpal Uploads.<br>
Reccommend us to your friends.<br>
We are a free Upload site and WILL STAY FREE!<br>
Thanks,<br>
Whitey.<br>
<a href='login.php'>Continue</a>";
header("location: register.php");
}
}
};
$process = new Process($connection);
?>register.php
PHP:
<?php
session_start();
if(session_is_registered(welcome))
{
echo($_SESSION['welcome']);
session_unregister(welcome);
session_destroy();
}
else
{
?>
<table width="325" border="0" align="center" cellpadding="0" cellspacing="1" bgcolor="#CCCCCC">
<tr>
<form name="form2" method="post" action="process.php">
<td>
<table width="100%" border="0" cellpadding="3" cellspacing="0" bgcolor="#FFFFFF">
<tr>
<td colspan="4"><strong>Member Register</strong></td>
</tr>
<tr>
<td width="61" height="28"><div align="right">Username</div></td>
<td width="3">:</td>
<td width="144"><input name="myusername" type="text" id="myusername"></td>
<td width="91">
<?php
if(session_is_registered(bad_char))
{
echo ($_SESSION['bad_char']);
session_unregister(bad_char);
session_destroy();
}
elseif(session_is_registered(username_taken))
{
echo ($_SESSION['username_taken']);
session_unregister(username_taken);
session_destroy();
}
?></td>
</tr>
<tr>
<td><div align="right">Password</div></td>
<td>:</td>
<td><input name="mypassword" type="password" id="mypassword"></td>
<td rowspan="2">
<?php
if(session_is_registered(password_same))
{
echo ($_SESSION['password_same']);
session_unregister(password_same);
session_destroy();
}
elseif(session_is_registered(password_less_then_5))
{
echo ($_SESSION['password_less_then_5']);
session_unregister(password_less_then_5);
session_destroy();
}
?></td>
</tr>
<tr>
<td><div align="right">Password</div></td>
<td>:</td>
<td><input name="mypassword2" type="password" id="mypassword2"></td>
</tr>
<tr>
<td><div align="right">Email</div></td>
<td>:</td>
<td><input name="email" type="text" id="email" /></td>
<td>
<font color="#FF0000" size="2">Optional</font> </td>
</tr>
<tr>
<td><input name="register" type="hidden" value="1" /></td>
<td> </td>
<td colspan="2"><input type="submit" name="Submit" value="Login" /></td>
</tr>
</table>
</td>
</form>
</tr>
</table>
<?php
}
?>If you have any questions let me know. I will explain anything else if you need
All Credits goes to one who really made this...
