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2164dd856f
The link tracking is very basic, but it doesn't need to be any more complicated than it already is
105 lines
3.3 KiB
PHP
105 lines
3.3 KiB
PHP
<?php
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require('Include/PHP/db.php');
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// Returns will be in the structure: response code seperator extra data and will be formatted client side
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/*
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Response codes:
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0 - Successful shorten
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1 - Existing link found
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2 - Dead link
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3 - Database Error
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4 - Sanitize failed
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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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*/
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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.$dpass, 10, 36);
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$sql = "INSERT INTO `links` (link, shortlink, title, dpass, ddate) VALUES ('$link', '$short', '$title', '$dpass', NOW())";
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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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}
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function stats($sdb, $seperator){
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}
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function tracking($sdb, $lId){ // Very basic - counts number of total visits to a certain short link
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$sql = "SELECT * FROM `tracking` WHERE `id` = '$lId' LIMIT 1;"; // Testing to see if the link has been visited before
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if($result = $sdb->query($sql)){
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if($row = $result->fetch_assoc()){
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$sql = "UPDATE `tracking` SET `clicks` = `clicks` + 1 WHERE `id` = '$lId'"; // Yes it has, increment clicks by 1
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if($result = $sdb->query($sql)){}else{
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return $sdb->error;
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}
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}
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}else{
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$sql = "INSERT INTO `tracking` (id, clicks) VALUES ('$lId', 1)"; // No it hasn't, add 1 click to the table
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if($result = $sdb->query($sql)){}else{
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return $sdb->error;
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}
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}
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}
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function getRemoteTitle($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 $ret;
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}
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function checkRemoteFile($ip=null){
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if($ip==null) return false;
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// Setup the connection and only get the headers
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$header[0] = "Accept: text/xml,application/xml,application/xhtml+xml,";
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$header[0] .= "text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5";
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$header[] = "Cache-Control: max-age=0";
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$header[] = "Connection: keep-alive";
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$header[] = "Keep-Alive: 300";
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$header[] = "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7";
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$header[] = "Accept-Language: en-us,en;q=0.5";
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$header[] = "Pragma: ";
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$curlInit = curl_init($ip);
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curl_setopt($curlInit, CURLOPT_CONNECTTIMEOUT, 10);
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curl_setopt($curlInit, CURLOPT_HEADER, true);
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curl_setopt($curlInit, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($curlInit, CURLOPT_USERAGENT, 'UnPS-GAMATechnologies (UnPS WebQuery/4-2.9; +http://lob.li)');
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curl_setopt($curlInit, CURLOPT_HTTPHEADER, $header);
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$response = curl_exec($curlInit);
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curl_close($curlInit);
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if($response) return true;
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return false;
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}
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function sanitize($input){
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if ($input == null) die("4");
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$output = strip_tags($input);
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$output = stripslashes($output);
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$output = mysql_real_escape_string($output);
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return $output;
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}
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?>
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