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< ? php
session_start ();
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/*
Redis scheme:
links:
id:
link id - set to website
title:
link id - set to page description
date:
link id - set to today's date
tracking:
clicks:
link id - int, increments with each unique IP
ip:
link id - list holding all visiting IPs for that link
*/
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// Generate a token on the fly. This should prevent POST spam attacks directly into process.php
$token = substr ( number_format ( time () * mt_rand (), 0 , '' , '' ), 0 , 10 );
$token = base_convert ( $token , 10 , 36 );
$_SESSION [ 'token' ] = $token ;
$catchid = substr ( number_format ( time () * mt_rand (), 0 , '' , '' ), 0 , 10 );
$catchVal = hash ( 'sha256' , $catchid . mt_rand () . time () . substr ( number_format ( time () * mt_rand (), 0 , '' , '' ), 0 , 10 ));
$catchVal = base_convert ( $catchVal . $catchid , 10 , 36 );
$_SESSION [ 'catch' ] = $catchid . " : " . $catchVal ;
require ( 'Include/PHP/db.php' );
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function followLink ( $redis , $link ){
if ( isset ( $_SERVER [ " HTTP_CF_CONNECTING_IP " ])) { // Get true IP of visiter if going through cloudflare
$_SERVER [ 'REMOTE_ADDR' ] = $_SERVER [ " HTTP_CF_CONNECTING_IP " ];
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}
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$ipTrack = $redis -> lRange ( " tracking:ip: $link " , 0 , - 1 );
if ( ! in_array ( $_SERVER [ 'REMOTE_ADDR' ], $ipTrack )){ // Check to see if visiter hit this link before (This would make it a lot easier to skew statistics if anyone would register multiples times)
$redis -> rPush ( " tracking:ip: $link " , $_SERVER [ 'REMOTE_ADDR' ]);
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$trTtl = $redis -> ttl ( " links: $link " );
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if ( $trTtl != - 2 ){
$tracking = $redis -> zIncrBy ( " tracking:clicks " , 1 , $link );
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} else {
if ( $trTtl == - 2 ){ // The link has been deleted, no need to track it anymore
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$redis -> zRem ( " tracking:clicks " , $link );
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}
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}
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}
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$short = $redis -> lRange ( " links: $link " , 0 , 0 );
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if ( $short ){
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header ( 'location:' . $short [ 0 ]);
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exit ( 5 );
}
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}
// exit codes:
/*
exit 0 - Good script
exit 5 - Link redirection
10x exit codes
exit 11 - Shortener Stats redirection
exit 12 - Shortener Resolver redirection
exit 13 - Shortener About redirection
*/
if ( ! empty ( $_GET )){
$key = key ( $_GET );
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if ( $key == " l " ) $key = $_GET [ 'l' ];
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if ( $key == " stats " ){ header ( " location:http://s.lob.li " ); exit ( 11 ); }
if ( $key == " resolv " ){ header ( " location:http://r.lob.li " ); exit ( 12 ); }
if ( $key == " about " ){ header ( " location:http://a.lob.li " ); exit ( 13 ); }
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followLink ( $redis , $key );
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}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>lob.li - Objective Links</title>
<!-- Bootstrap -->
<link href="Include/Bootstrap/css/bootstrap.min.css" rel="stylesheet">
<link href="Include/CSS/style.css?<?php echo time(); ?>" rel="stylesheet">
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<link rel="stylesheet" type="text/css" href="http://fonts.googleapis.com/css?family=Montserrat">
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<link rel="shortcut icon" type="image/ico" href="lobli.ico"/>
<link rel="shortcut icon" type="image/x-icon" href="lobli.ico"/>
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<!-- HTML5 Shim and Respond.js IE8 support of HTML5 elements and media queries -->
<!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
<!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>
<script src="https://oss.maxcdn.com/libs/respond.js/1.4.2/respond.min.js"></script>
<![endif]-->
</head>
<body>
<div class="container center-block">
<?php include('Include/HTML/navbar.htm') ?>
<div class="row">
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<div class="col-md-3">
<div class="linkage">How long should I keep your link?</div>
</div>
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<div class="col-md-6">
<h2 class="form-shorten-heading">Please give me a link to shorten...</h2>
<form class="form-shorten form-inline" id="form-shorten" role="form">
<div class="input-group">
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<span class="input-group-addon lexp">
<select name="linkage" id="linkage">
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<option value="0" selected="selected">24hrs</option>
<option value="1">1 Week</option>
<option value="2">1 Month</option>
<option value="3">Forever</option>
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</select>
</span>
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<input type="text" class="form-control input-lg" id="link" name="link" placeholder="http://" required autofocus>
<input type="hidden" name="<?php echo $catchid; ?>" value="<?php echo $catchVal; ?>"/>
<span class="input-group-btn">
<button type="submit" class="btn btn-primary btn-lg submitbtn" id="short-button">
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<span class="glyphicon glyphicon-chevron-down"></span>
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</button>
</span>
</div><!-- /input-group -->
</form>
<div id="message">
<div id="theLoader">
<div class="wrap">
<div class="loading">
<span class="title">loading....</span>
<span class="text">Please Wait</span>
</div>
</div>
</div>
</div>
</div>
<div class="col-md-3"></div>
</div>
</div>
<div id="footer" style="position:absolute;width:100%;bottom:1px;">
<div class="container">
<p class="text-muted">Copyright © 2014 Unified Programming Solutions - Version: 0.0.1</p>
</div>
</div>
<!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
<!-- Include all compiled plugins (below), or include individual files as needed -->
<script src="Include/Bootstrap/js/bootstrap.min.js"></script>
<script type="text/javascript" language="JavaScript">
jQuery(document).ready(function(){
$('#link').focus();
$('#homelink').addClass('active');
});
function copyToClipboard(text){
window.prompt ("Copy to clipboard: Ctrl+C, Enter (when closed I will open your link in a new tab)", text);
}
</script>
<script type="text/javascript" language="JavaScript">
// This is our AJAX - Thank you Wizzy <3
$("#form-shorten").submit(function(event){
$("#theLoader").fadeIn("fast");
event.preventDefault();
event.stopPropagation();
$.post("process.php?token=<?php echo $token; ?>", $(this).serialize(), function(data){
$("#message").hide().html(data).slideDown("fast");
$("#theLoader").hide();
if($('#danger').length){
$('#short-button').removeClass("btn-primary btn-success btn-warning").addClass("btn-danger");
}else if($('#success').length){
$('#short-button').removeClass("btn-primary btn-danger btn-warning").addClass("btn-success");
}else if($('#warning').length){
$('#short-button').removeClass("btn-primary btn-success btn-danger").addClass("btn-warning");
}
});
});
</script>
</body>
</html>
