mirror of
https://github.com/gamaio/lobli.git
synced 2024-12-23 12:12:40 +00:00
9cabd24d19
I was wondering why my script had suddenly stopped working and thought it was
a Redis problem.
Turns out that I was getting PHP parse errors and didn't check the logs
192 lines
7.2 KiB
PHP
192 lines
7.2 KiB
PHP
<?php
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session_start();
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// Generate a token on the fly. This should prevent POST spam attacks directly into process.php
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$token = substr(number_format(time() * mt_rand(),0,'',''),0,10);
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$token = base_convert($token, 10, 36);
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$_SESSION['token'] = $token;
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$catchid = substr(number_format(time() * mt_rand(),0,'',''),0,10);
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$catchVal = hash('sha256', $catchid.mt_rand().time().substr(number_format(time() * mt_rand(),0,'',''),0,10));
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$catchVal = base_convert($catchVal.$catchid, 10, 36);
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$_SESSION['catch'] = $catchid.":".$catchVal;
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require('Include/PHP/db.php');
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$redis = new Redis();
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$redis->connect('127.0.0.1', 6379);
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function followLink($shortdb, $redis, $link){
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$link = $shortdb->real_escape_string(strtolower(stripslashes(strip_tags($link))));
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$link = str_replace('/', '', $link);
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$sql = "SELECT * FROM `tracking` WHERE `id` = '$link' LIMIT 1;"; // Testing to see if the link has been visited before
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if($result = $shortdb->query($sql)){
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if($row = $result->fetch_assoc()){
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$sql = "UPDATE `tracking` SET `clicks` = `clicks` + 1 WHERE `id` = '$link'"; // Yes it has, increment clicks by 1
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if($result = $shortdb->query($sql)){
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if($result->num_rows == 0){
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die ($shortdb->error);
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}
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}
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}
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}else{
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$sql = "INSERT INTO `tracking` (id, clicks) VALUES ('$link', 1)"; // No it hasn't, add 1 click to the table
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if($result = $shortdb->query($sql)){
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if($result->num_rows == 0){
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die ($shortdb->error);
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}
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}
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}
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// Try to find it in the redis db first, if not there, add it
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$short = $redis->get($link);
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if (!$short || $short == null) {
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$sql = "SELECT * FROM `links` WHERE `shortlink` = '$link' LIMIT 1;";
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if($result = $shortdb->query($sql)){
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if($row = $result->fetch_assoc()){
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$llink = $row['link'];
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$redis->set($link, $llink);
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echo $llink;
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//header("location:$link");
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exit(5); // Stop script execution to save on resources
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}
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}
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}else{
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echo $short;
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exit(5);
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}
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}
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// exit codes:
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/*
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exit 0 - Good script
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exit 5 - Link redirection
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10x exit codes
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exit 11 - Shortener Stats redirection
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exit 12 - Shortener Resolver redirection
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exit 13 - Shortener About redirection
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*/
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// This has been depreciated. Still here for backwards compatibility with existing links
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if(!empty($_GET['l'])){
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followLink($shortdb, $redis, $_GET['l']);
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}
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// New way to check for valid short links, two characters shorter than the if statement above
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if(!empty($_GET)){
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$key = key($_GET);
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if($key == "stats"){ header("location:http://s.lob.li"); exit(11); }
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if($key == "resolv"){ header("location:http://r.lob.li"); exit(12); }
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if($key == "about"){ header("location:http://a.lob.li"); exit(13); }
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followLink($shortdb, $redis, $key);
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}
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?>
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>lob.li - Objective Links</title>
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<!-- Bootstrap -->
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<link href="Include/Bootstrap/css/bootstrap.min.css" rel="stylesheet">
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<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"/>
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<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 -->
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<!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
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<!--[if lt IE 9]>
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<script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>
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<script src="https://oss.maxcdn.com/libs/respond.js/1.4.2/respond.min.js"></script>
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<![endif]-->
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</head>
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<body>
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<div class="container center-block">
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<?php include('Include/HTML/navbar.htm') ?>
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<div class="row">
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<div class="col-md-3"></div>
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<div class="col-md-6">
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<h2 class="form-shorten-heading">Please give me a link to shorten...</h2>
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<form class="form-shorten form-inline" id="form-shorten" role="form">
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<div class="input-group">
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<input type="text" class="form-control input-lg" id="link" name="link" placeholder="http://" required autofocus>
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<input type="hidden" name="<?php echo $catchid; ?>" value="<?php echo $catchVal; ?>"/>
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<span class="input-group-btn">
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<button type="submit" class="btn btn-primary btn-lg submitbtn" id="short-button">
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<span class="glyphicon glyphicon-share-alt icon-rotate"></span>
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</button>
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</span>
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</div><!-- /input-group -->
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</form>
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<div id="message">
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<div id="theLoader">
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<div class="wrap">
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<div class="loading">
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<span class="title">loading....</span>
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<span class="text">Please Wait</span>
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</div>
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</div>
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</div>
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</div>
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</div>
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<div class="col-md-3"></div>
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</div>
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</div>
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<div id="footer" style="position:absolute;width:100%;bottom:1px;">
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<div class="container">
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<p class="text-muted">Copyright © 2014 Unified Programming Solutions - Version: 0.0.1</p>
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</div>
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</div>
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<!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
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<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
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<!-- Include all compiled plugins (below), or include individual files as needed -->
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<script src="Include/Bootstrap/js/bootstrap.min.js"></script>
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<script type="text/javascript" language="JavaScript">
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jQuery(document).ready(function(){
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$('#link').focus();
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$('#homelink').addClass('active');
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});
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function copyToClipboard(text){
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window.prompt ("Copy to clipboard: Ctrl+C, Enter (when closed I will open your link in a new tab)", text);
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}
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</script>
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<script type="text/javascript" language="JavaScript">
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// This is our AJAX - Thank you Wizzy <3
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$("#form-shorten").submit(function(event){
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$("#theLoader").fadeIn("fast");
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event.preventDefault();
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event.stopPropagation();
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$.post("process.php?token=<?php echo $token; ?>", $(this).serialize(), function(data){
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$("#message").hide().html(data).slideDown("fast");
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$("#theLoader").hide();
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if($('#danger').length){
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$('#short-button').removeClass("btn-primary btn-success btn-warning").addClass("btn-danger");
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}else if($('#success').length){
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$('#short-button').removeClass("btn-primary btn-danger btn-warning").addClass("btn-success");
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}else if($('#warning').length){
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$('#short-button').removeClass("btn-primary btn-success btn-danger").addClass("btn-warning");
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}
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});
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});
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</script>
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</body>
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</html>
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