help Me Check this script

slier · #1 (**permalink**) 05-11-2006, 06:36 PM

Pada otai2 php tolong aku yer....

ni aku ada buat satu fail...nama fail login.php...berfungsi utk authenticate user yg cuba login ke dalam sistem aku....maksaalhnya setiap kali aku cuba login dgn kombinasi username dann pass yg betul,,aku still masih dapat error message iaitu invalid username/passs...so korang tolong aku yer...

ni fail login.php
<?
//mualakan session
session_start();
//set nama variable
$button=$_POST['submit'];
$uname=$_POST['uname'];
$upass=$_POST['upass'];
//check saamada script diakses secara terus dari url
if((!$button)){
echo"You Need to login first<br>";
echo'<meta http-equiv="refresh" content="5;url=/projek1/index.htm">';
exit();
}

//check samaada form telah diisi dgn complete
if((!$uname) || (!$upass)){
echo"<b>Please Enter Following</b>:<br>";
if ((!$uname)){
echo"Please Enter Your Username<br>";
}
if ((!$upass)){
echo"Please Enter Your Password<br>";
}
exit();
}

$uenname=MD5($uname);
$uenpass=MD5($upass);
$_SESSION['name']=$uenname;
$_SESSION['pass']=$uenpass;

include("top.php");//pilih menu utk succes login dan utk invalid login

//paparkan nama user jika login==valid
if (validate()==true){
$user_sess=$_SESSION['name'];
include("connect.php");
$query=mysql_query("select usernamereal from userdata where username='$user_sess'");
$username=mysql_result($query(0,0));
echo"welcome $username.You Are Now Logged In<br>";

}

else{
echo"Incorrect Username/Password<br>";
}

?>

ni fail top.php
<?
include("validate_user.php");
if(validate()==true)
{
?>

<html>
<body>
<table cellspacing="2" cellpadding="0" border="0">
<tr>
<td><a href="index.htm">Index</a></td>
<td><a href="signup.htm">Signup</a></td>
<td><a href="login.htm"></a>Login</td>
<td><a href="view_user.php">View User</a></td>
<td><a href="post.php"></a>Post</td>
<td><a href="search.php"></a>Search</td>
<td><a href="my_account.php"></a>My Account</td>
<td><a href="logout.php"></a>Logout</td>
</tr>
</table>
<br><br>

<?
}
else
{
?>

<html>
<body>
<table cellspacing="2" cellpadding="0" border="0">
<tr>
<td><a href="index.htm">Index</a>  </td>
<td><a href="signup.htm">Signup</a>  </td>
<td><a href="login.htm">Login</a>  </td>
</tr>
</table><br><br>

<?

}

?>

ni fail validate_user.php
<?
function validate(){
//check samaada session variable dah diset
if($_SESSION['name']){
//extract variable from session
$urname2=$_SESSION['name'];
$urpass2=$_SESSION['pass'];
//connect ke database
include("connect.php");
$query=mysql_query("SELECT * FROM userdata WHERE username='urname2'");
$result=mysql_num_rows($query);
//check samaada user exist
if($result==1){
//check samaada kombinasi usernamse dan pass adalah sama
$query2=mysql_query("SELECT * FROM userdata WHERE username='$urname2' AND password='$urpass2'");
$result2=mysql_num_rows($query2);
if($result2==1){
return true;
}
}
}
}
?>

ni fail connect.php
<?php

$dbh=mysql_connect ("localhost", "root", "") or die ('I cannot connect to the database because: ' . mysql_error());
mysql_select_db ("projek1");

?>

sedikit makulmat database:
nama database: projek1
nama table:userdata
field dalam table:
username VARCHAR(200),
password VARCHAR(200),
usernumer INT(5),
usernamereal VARCHAR(50),
ipaddress VARCHAR(50),
avatar VARCHAR(200),
aboutme VARCHAR(200)

so aku harap korang dapat help aku yer...dah berjam dah aku try cari..x jumpa plak...thanks in advance...

Krypto · #2 (**permalink**) 08-11-2006, 03:50 PM

$uenname=MD5($uname);

Kenapa perlu md5 username? Adakah username disimpan dlm bentuk encrypted dlm database?

slier · #3 (**permalink**) 13-11-2006, 10:10 PM

x pa ..problem dah settle...

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