| <?php
$admin _pw= "admin";//admin password
$uploaddir = "upload";//Upload Directory
Session_Start ();
if ($_get[' action ']== "GetCode")
{
Setcode ();
Exit ();
}
if ($_post[' password ']== $admin _pw && $_post[' yz ']==$_session[' Yzcode '])
{
$_session[' logined ']= $admin _pw;
}
if ($_get[' action ']== "logout")
{
$_session[' logined ']= ' ";
Header ("Location:". $_server[' php_self '));
Exit ();
}
if ($_session[' logined ']!= $admin _PW)
{
?>
<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<meta http-equiv= "Content-type" content= "text/html; Charset=utf-8 "/>
<title> Please login </title>
<body>
<form action= "" method= "POST" >
Enter Password: <input type= "password" name= "password" style= "width:100px;"/><br/> Authentication characters: <input type= "text" style = "width:40px" name= "YZ"/><a href= "#" onclick= "document.tzm.src=" Action=getcode ' ";" ></a><br/><input type= "Submit" Value= "Access Management"/>
</form>
</body>
<?php
}
Else
{
?>
<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<meta http-equiv= "Content-type" content= "text/html; Charset=utf-8 "/>
<title> File Upload </title>
<body>
<?php
if ($_post[' ac ']== "upload")
{
$fileall =explode ('. ', $_files[' file '] [' name ']);
$filetype = $fileall [Count ($fileall)-1];
$filename = $uploaddir. " /". $_files[' file ' [' Name ']." _ ". Rand (1,999999999).". $filetype;
$fileexists =file_exists ($filename);
while ($fileexists ==true)
{
$filename = $uploaddir. " /". $_files[' file ' [' Name ']." _ ". Rand (1,999999999).". $filetype;
$fileexists =file_exists ($filename);
}
if (Move_uploaded_file ($_files["file"] ["Tmp_name"], $filename))
{
$url = "http://". $_server[' server_name '].$_server[' Request_uri '];
echo "File:". $filename. "Upload success! <br> file Address: <input type=text style= ' width:350px ' value= '. DirName ($url). " /". $filename."/><a href= ". DirName ($url). /". $filename." target= "_blank" > Test </a> ";
}
Else
{
echo "File". $filename. " Upload failed! ";
}
}
?>
<form action= "" method= "Post" enctype= "Multipart/form-data" >
Select File: <input type= "file" name= "file" id= "file" width= "100px"/><input type= "hidden" name= "ac" value= "upload"/& Gt;<input type= "Submit" value= "Upload"/>
</form>
<p><a href= "? action=logout" > Exit login </a></p>
</body>
<?php
}
function Setcode ()
{
Header ("Content-type:image/gif");
$border = 0; Do you want to have a border 1:0 don't
$how = 4; Verify code digits
$w = $how *15; Picture width
$h = 20; Picture height
$fontsize = 5; Font size
$alpha = "ABCDEFGHIJKMNOPQRSTUVWXYZ"; CAPTCHA content 1: Letters
$number = "0123456789"; Authenticode Content 2: Numbers
$randcode = ""; Authentication Code String Initialization
Srand (Double) microtime () *1000000); Initialize random number of seeds
$im = Imagecreate ($w, $h); Create a validation picture
$bgcolor = Imagecolorallocate ($im, 255, 255, 255); Set Background color
Imagefill ($im, 0, 0, $bgcolor); Fill background color
if ($border)
{
$black = imagecolorallocate ($im, 0, 0, 0); Set Border color
Imagerectangle ($im, 0, 0, $w-1, $h-1, $black);//Draw Border
}
for ($i =0; $i < $how; $i + +)
{
$alpha _or_number = Mt_rand (0, 1); A letter or a number
$str = $alpha _or_number? $alpha: $number;
$which = Mt_rand (0, strlen ($str)-1); which character to take
$code = substr ($str, $which, 1); Take characters
$j = $i? 4: $j +15; Draw character position
$color 3 = imagecolorallocate ($im, Mt_rand (0,100), Mt_rand (0,100), Mt_rand (0,100)); Character immediately color
Imagechar ($im, $fontsize, $j, 3, $code, $color 3); Painting characters
$randcode. = $code; Step by step to add a verification code string
}
$_session[' yzcode ' = $randcode;
Imagegif ($im);
Imagedestroy ($im);
}
?>
|
