mirror of https://github.com/gamaio/lobli.git
Redis-only version of lob.li - Almost complete.
This version removes all the mysql stuff and uses a redis db for everything.
This commit is contained in:
alopexc0de
parent
e52c236e47
commit
adfcc57e00
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@ -13,41 +13,56 @@
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5 - Successful lob.li link resolve
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6 - Successful lookup of non-lob.li link
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7 - Unsuccessful lookup of non-lob.li link
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8 - Lookup of link Stats (returns 8 $sep JSONarray)
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*/
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function shorten($sdb, $link, $seperator){
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$sql = "SELECT * FROM `links` WHERE `link` = '$link' LIMIT 1;";
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if($result = $sdb->query($sql)){
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if($row = $result->fetch_assoc()){
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$short = $row['shortlink'];
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return "1$seperator$short";
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}
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}
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if(checkRemoteFile($link) !== true) return "2$seperator$link";
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$title = getRemoteTitle($link);
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$short = substr(number_format(time() * mt_rand(),0,'',''),0,5);
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$short = base_convert($short, 10, 36);
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$dpass = substr(number_format(time() * mt_rand(),0,'',''),0,10);
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$dpass = base_convert($short.$dpass, 10, 36);
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function shorten($redis, $link, $linkage, $seperator){
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$short = $redis->get("links:id:$link");
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if($short){
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$title = $redis->get("links:title:$link");
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return "1$seperator$link$seperator$title";
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}else{
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do {
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if(checkRemoteFile($link) !== true) return "2$seperator$link";
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$title = getRemoteTitle($url);
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$sql = "INSERT INTO `links` (link, shortlink, title, dpass, ddate) VALUES ('$link', '$short', '$title', '$dpass', NOW())";
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$short = substr(number_format(time() * mt_rand(),0,'',''),0,5);
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$short = base_convert($short, 10, 36);
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if($result = $sdb->query($sql)): return "0$seperator$short$seperator$title";
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else: return '3'.$seperator.$sdb->error;
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endif;
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if(!$redis->exists("links:id:$short")) {
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break;
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}
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} while (1);
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$xTime = 3136320000; // About 100 years, give or take
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// Delete the links in 24 hours, 1 week, 1 month respectevly
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if($linkage == '0') $xTime = 86400;
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if($linkage == '1') $xTime = 604800;
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if($linkage == '2') $xTime = 2628000;
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$redis->setex("links:id:$short", $xTime, $link);
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$redis->setex("links:title:$short", $xTime, $title);
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$redis->setex("links:date:$short", $xTime, date("d/m/Y", strtotime($str)));
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$redis->setex("tracking:clicks:$link", $xTime, 1);
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return "0$seperator$short$seperator$title";
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}
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}
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function stats($sdb, $seperator){
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function stats($redis, $seperator){
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$tracking = $redis->keys("tracking:clicks:*");
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$tracking = rsort($tracking);
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$tracking = array_slice($tracking, 0, 5, true);
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return "8$seperator".json_encode($tracking);
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}
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function getRemoteTitle($url){
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$url = parse_url($url);
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$tags = get_meta_tags($url['scheme'].'://'.$url['host']);
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$ret = sanitize($tags['description']);
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return $ret;
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if($tags = get_meta_tags($url['scheme'].'://'.$url['host'])){
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$ret = $tags['description'];
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return $ret;
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}else{ return false; }
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}
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function checkRemoteFile($ip=null){
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@ -77,10 +92,11 @@
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return false;
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}
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function sanitize($input){
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if ($input == null) die("4");
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function sanitize($input, $seperator){
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if ($input == null) die("4$seperator");
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$output = strip_tags($input);
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$output = stripslashes($output);
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//filter_input(INPUT_GET, 'name', FILTER_SANITIZE_STRING)
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$output = mysql_real_escape_string($output);
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return $output;
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}
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@ -1,6 +1,22 @@
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<?php
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session_start();
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/*
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Redis scheme:
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links:
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id:
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link id - set to website
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title:
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link id - set to page description
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date:
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link id - set to today's date
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tracking:
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clicks:
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link id - int, increments with each unique IP
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ip:
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link id - list holding all visiting IPs for that link
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*/
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// Generate a token on the fly. This should prevent POST spam attacks directly into process.php
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$token = substr(number_format(time() * mt_rand(),0,'',''),0,10);
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$token = base_convert($token, 10, 36);
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@ -13,47 +29,31 @@
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require('Include/PHP/db.php');
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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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function followLink($redis, $link){
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if (isset($_SERVER["HTTP_CF_CONNECTING_IP"])) { // Get true IP of visiter if going through cloudflare
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$_SERVER['REMOTE_ADDR'] = $_SERVER["HTTP_CF_CONNECTING_IP"];
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}
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$ipTrack = $redis->lRange("tracking:ip:$link", 0, -1);
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if(!in_array($_SERVER['REMOTE_ADDR'], $ipTrack)){ // Check to see if visiter hit this link before (This would make it a lot easier to skew statistics if anyone would register multiples times)
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$redis->rPush("tracking:ip:$link", $_SERVER['REMOTE_ADDR']);
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// Tracking code
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$tracking = $redis->get("tracking:clicks:$link");
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$trTtl = $redis->ttl("links:id:$link");
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if(!$tracking || $trTtl != -2){
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$tracking = $redis->set("tracking:clicks:$link", 1);
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}else{
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if($trTtl == -2){ // The link has been deleted, no need to track it anymore
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break;
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}
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$tracking = $redis->incr("tracking:clicks:$link");
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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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$short = $redis->get("links:id:$link");
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if($short){
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echo $short;
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exit(5);
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}
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// This has been depreciated. Still here for backwards compatibility with existing links
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if(!empty($_GET['l'])){
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followLink($shortdb, $redis, $_GET['l']);
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followLink($redis, $_GET['l']);
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}
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// New way to check for valid short links, two characters shorter than the if statement above
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@ -83,7 +83,7 @@
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if($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, $key);
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followLink($redis, $key);
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}
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?>
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<!DOCTYPE html>
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<div class="input-group">
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<span class="input-group-addon lexp">
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<select name="linkage" id="linkage">
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<option selected="selected">24hrs</option>
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<option>1 Week</option>
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<option>1 Month</option>
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<option>Forever</option>
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<option value="0" selected="selected">24hrs</option>
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<option value="1">1 Week</option>
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<option value="2">1 Month</option>
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<option value="3">Forever</option>
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</select>
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</span>
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<input type="text" class="form-control input-lg" id="link" name="link" placeholder="http://" required autofocus>
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$('#homelink').addClass('active');
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});
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$(function () {
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$("[rel='tooltip']").tooltip();
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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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@ -18,6 +18,7 @@
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5 - Successful lob.li link resolve
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6 - Successful lookup of non-lob.li link
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7 - Unsuccessful lookup of non-lob.li link
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8 - Lookup of link Stats (returns 8 $sep JSONarray)
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*/
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$short = "";
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$title = "";
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$messages = array(
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"
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<div class=\"alert alert-success\" id=\"success\">
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Your link: <a href=\"http://lob.li/$short\" title=\"$title\" target=\"lobli.$short\">lob.li/$short</a>
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<a href=\"#\" id=\"copylink\" title=\"Copy Link\" onclick=\"copyToClipboard('http://lob.li/$short');\">
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<!--<a href=\"#\" id=\"newlink\" title=\"New Link\"> This would require changing how I generate links, and I don't feel like doing it right now - 6/22/12 1:21am EST
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<span class=\"glyphicon glyphicon-refresh\" style=\"float:right;\"></span>
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</a>-->
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<span class=\"glyphicon glyphicon-link\" style=\"float:right;padding-right:1%;\"></span>
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</a>
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</div>
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",
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"
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<div class=\"alert alert-warning\" id=\"warning\">
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Existing link: <a href=\"http://lob.li/$short\" title=\"$title\" target=\"lobli.$short\">lob.li/$short</a>
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<a href=\"#\" id=\"copylink\" title=\"Copy Link\" onclick=\"copyToClipboard('http://lob.li/$short');\">
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<span class=\"glyphicon glyphicon-link\" style=\"float:right;padding-right:1%;\"></span>
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</a>
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</div>
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",
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"
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<div class=\"alert alert-danger\" id=\"danger\">
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ERROR! - Your link: <a href=\"$link\" target=\"$link\">$link</a> didn't resolve to a website. <br />Please check your link and try again.
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</div>
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",
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"
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<div class=\"alert alert-danger\" id=\"danger\">
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ERROR! - Well this is embarrassing... This never happens, but I appear to have suffered a database error. <br />Here's what I know: $error
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</div>
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",
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"
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<div class=\"alert alert-danger\" id=\"danger\">
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ERROR! - The sanitize function seems to have failed. This shouldn't happen, maybe <a href=\"mailto:c0de@unps.us\">c0de</a> forgot a semi-colon somewhere or something.
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</div>
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",
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"
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<div class=\"alert alert-success\" id=\"success\">
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Your Resolved link: <a href=\"$link\" title=\"$title\">
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@ -87,18 +54,125 @@
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"
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);
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if(empty($_GET['token']) || $_GET['token'] != $_SESSION['token'] || empty($_POST[$catchid]) || $_POST[$catchid] != $catchVal){
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die("<div id=\"danger\" class=\"alert alert-danger\">Oh Noes! Something happened and I can't continue.<br />Please try again by using the form located at <a href=\"http://lob.li\">lob.li</a>.</div>");
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}
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require('Include/PHP/functions.php');
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if(!empty($_POST['link'])){
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$short = sanitize($_POST['link']);
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if(!isset($_GET['getstats'])){
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$stats = stats($redis, $seperator);
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$stats = explode($seperator, $stats);
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if(!empty($_GET['type'])){
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if($_GET['type'] == "htmltable"){
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foreach($stats as $stat){ // There should only be 5, but the page doesn't limit how many
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$id = explode(":", $stat);
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$id = $id[2]; // Grab just the short link ID
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$linkData = $redis->lRange("links:$id", 0, -1);
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$link = $linkData[0];
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$title = $linkData[1];
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$date = $linkData[2];
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$trackClicks = $redis->get("tracking:clicks:$id");
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echo "
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<tr class=\"success\">
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<td></td>
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<td class=\"centertab\"><a href=\"#\">$id</a></td>
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<td><a href=\"$link\" title=\"$title\" class="res">$link</a></td>
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<td class=\"centertab\">$trackClicks</td>
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<td>$date</td>
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</tr>
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";
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}
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}elseif($_GET['type'] == "json"){
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echo $stats[1];
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exit;
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}else{
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die("ERROR: Wrong type. I accept htmltable or json as my type<br>htmltable will send the partial table that loads on <a href=\"http://s.lob.li\">lob.li/stats</a>, json outputs raw json array");
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}
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}
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}
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if(!empty($_POST['link']) && !empty($_POST['linkage'])){
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if(empty($_GET['token']) || $_GET['token'] != $_SESSION['token'] || empty($_POST[$catchid]) || $_POST[$catchid] != $catchVal){
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die("<div id=\"danger\" class=\"alert alert-danger\">Oh Noes! Something happened and I can't continue.<br />Please try again by using the form located at <a href=\"http://lob.li\">lob.li</a>.</div>");
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}
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//$short = sanitize($_POST['link'], $seperator);
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$short = $_POST['link'];
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$linkage = $_POST['linkage'];
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//echo $short;
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if(strpos($short, "http://") === false && strpos($short, "https://") === false){
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$short = "http://$short";
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}
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echo shorten($shortdb, $short, $seperator);
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echo shorten($redis, $short, $linkage, $seperator);
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$reShort = shorten($redis, $short, $linkage, $seperator);
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$reShort = explode($seperator, $reShort);
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$retCode = $reShort[0];
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switch($retCode){
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case "0": // Successful link Shorten
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$short = $reShort[1];
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$title = $reShort[2];
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echo "
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<div class=\"alert alert-success\" id=\"success\">
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Your link: <a href=\"http://lob.li/$short\" title=\"$title\" target=\"lobli.$short\">lob.li/$short</a>
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<a href=\"#\" id=\"copylink\" title=\"Copy Link\" onclick=\"copyToClipboard('http://lob.li/$short');\">
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<!--<a href=\"#\" id=\"newlink\" title=\"New Link\"> This would require changing how I generate links, and I don't feel like doing it right now - 6/22/12 1:21am EST
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<span class=\"glyphicon glyphicon-refresh\" style=\"float:right;\"></span>
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</a>-->
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<span class=\"glyphicon glyphicon-link\" style=\"float:right;padding-right:1%;\"></span>
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</a>
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</div>
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";
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break;
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case "1": // Existing Short Link Found
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$short = $reShort[1];
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$title = $reShort[2];
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echo "
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<div class=\"alert alert-warning\" id=\"warning\">
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Existing link: <a href=\"http://lob.li/$short\" title=\"$title\" target=\"lobli.$short\">lob.li/$short</a>
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<a href=\"#\" id=\"copylink\" title=\"Copy Link\" onclick=\"copyToClipboard('http://lob.li/$short');\">
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<span class=\"glyphicon glyphicon-link\" style=\"float:right;padding-right:1%;\"></span>
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</a>
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</div>
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";
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break;
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case "2": // Dead Link
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$link = $reShort[1];
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echo "
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<div class=\"alert alert-danger\" id=\"danger\">
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ERROR! - Your link: <a href=\"$link\" target=\"$link\">$link</a> didn't resolve to a website. <br />Please check your link and try again.
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</div>
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";
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break;
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case "3": // DB Error
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$error = $reShort[1];
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echo "
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<div class=\"alert alert-danger\" id=\"danger\">
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ERROR! - Well this is embarrassing... This never happens, but I appear to have suffered a database error. <br />Here's what I know: $error
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</div>
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";
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break;
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case "4": // Sanitize Failure Error
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echo "
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<div class=\"alert alert-danger\" id=\"danger\">
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ERROR! - The sanitize function seems to have failed. This shouldn't happen, maybe <a href=\"mailto:c0de@unps.us\">c0de</a> forgot a semi-colon somewhere or something.
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</div>
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";
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break;
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default:
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echo "<div id=\"danger\" class=\"alert alert-danger\">Oh Noes! Something happened and I can't continue.<br />Please try again by using the form located at <a href=\"http://lob.li\">lob.li</a>.</div>";
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break;
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}
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exit;
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//foreach($messages as $message){
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// echo $message;
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