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Redis-only version of lob.li - Almost complete.

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This version removes all the mysql stuff and uses a redis db for everything.
This commit is contained in:
alopexc0de
2014-07-25 17:41:51 -04:00
parent e52c236e47
commit adfcc57e00
3 changed files with 201 additions and 115 deletions
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90
Website/index.php
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@@ -1,6 +1,22 @@
<?php
session_start();
/*
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
*/
// 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);
@@ -13,47 +29,31 @@
require('Include/PHP/db.php');
function followLink($shortdb, $redis, $link){
$link = $shortdb->real_escape_string(strtolower(stripslashes(strip_tags($link))));
$link = str_replace('/', '', $link);
$sql = "SELECT * FROM `tracking` WHERE `id` = '$link' LIMIT 1;"; // Testing to see if the link has been visited before
if($result = $shortdb->query($sql)){
if($row = $result->fetch_assoc()){
$sql = "UPDATE `tracking` SET `clicks` = `clicks` + 1 WHERE `id` = '$link'"; // Yes it has, increment clicks by 1
if($result = $shortdb->query($sql)){
if($result->num_rows == 0){
die ($shortdb->error);
}
}
}
}else{
$sql = "INSERT INTO `tracking` (id, clicks) VALUES ('$link', 1)"; // No it hasn't, add 1 click to the table
if($result = $shortdb->query($sql)){
if($result->num_rows == 0){
die ($shortdb->error);
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"];
}
$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']);
// Tracking code
$tracking = $redis->get("tracking:clicks:$link");
$trTtl = $redis->ttl("links:id:$link");
if(!$tracking || $trTtl != -2){
$tracking = $redis->set("tracking:clicks:$link", 1);
}else{
if($trTtl == -2){ // The link has been deleted, no need to track it anymore
break;
}
$tracking = $redis->incr("tracking:clicks:$link");
}
}
// Try to find it in the redis db first, if not there, add it
$short = $redis->get($link);
if (!$short || $short == null) {
$sql = "SELECT * FROM `links` WHERE `shortlink` = '$link' LIMIT 1;";
if($result = $shortdb->query($sql)){
if($row = $result->fetch_assoc()){
$llink = $row['link'];
$redis->set($link, $llink);
echo $llink;
//header("location:$link");
exit(5); // Stop script execution to save on resources
}
}
}else{
$short = $redis->get("links:id:$link");
if($short){
echo $short;
exit(5);
}
@@ -72,7 +72,7 @@
// This has been depreciated. Still here for backwards compatibility with existing links
if(!empty($_GET['l'])){
followLink($shortdb, $redis, $_GET['l']);
followLink($redis, $_GET['l']);
}
// New way to check for valid short links, two characters shorter than the if statement above
@@ -83,7 +83,7 @@
if($key == "resolv"){ header("location:http://r.lob.li"); exit(12); }
if($key == "about"){ header("location:http://a.lob.li"); exit(13); }
followLink($shortdb, $redis, $key);
followLink($redis, $key);
}
?>
<!DOCTYPE html>
@@ -124,10 +124,10 @@
<div class="input-group">
<span class="input-group-addon lexp">
<select name="linkage" id="linkage">
<option selected="selected">24hrs</option>
<option>1 Week</option>
<option>1 Month</option>
<option>Forever</option>
<option value="0" selected="selected">24hrs</option>
<option value="1">1 Week</option>
<option value="2">1 Month</option>
<option value="3">Forever</option>
</select>
</span>
<input type="text" class="form-control input-lg" id="link" name="link" placeholder="http://" required autofocus>
@@ -172,10 +172,6 @@
$('#homelink').addClass('active');
});
$(function () {
$("[rel='tooltip']").tooltip();
});
function copyToClipboard(text){
window.prompt ("Copy to clipboard: Ctrl+C, Enter (when closed I will open your link in a new tab)", text);
}