lobli/Website/process.php

<?php
    session_start();

    $catches = explode(":", $_SESSION['catch']);
    $catchid = $catches[0];
    $catchVal = $catches[1];

    $seperator = "ᐖ"; // Chosen because it looks like a smiling face

    // Returns will be in the structure: Message code / seperator / extra data and will be formatted client side
    /*
        Message codes:
        0 - Successful shorten
        1 - Existing link found
        2 - Dead link
        3 - Database Error
        4 - Sanitize failed
        5 - Successful lob.li link resolve
        6 - Successful lookup of non-lob.li link
        7 - Unsuccessful lookup of non-lob.li link
        8 - Lookup of link Stats (returns 8 $sep JSONarray)
    */

	require('Include/PHP/functions.php');

    if(isset($_GET['resolve']) && !empty($_POST['link'])){
        if(empty($_POST[$catchid]) || $_POST[$catchid] != $catchVal){ 
            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>");
        }

        if(!$redis->exists("tokens:".$_SESSION['token']) || $redis->get("tokens:".$_SESSION['token']) == 1){
           include("Include/PHP/token.php");
           echo "<script>window.location = \"index.php\";</script>";
        }

        $link = $_POST['link'];
        $trTtl = $redis->ttl("links:$link");
        if($trTtl == -2){ // Didn't find links:linkid, checking if long link
            $trTtl = $redis->ttl("llinks:$link");
            if($trTtl == -2){ // Didn't find that either, give error
                echo "
                    <div class=\"alert alert-warning\" id=\"warning\">
                        Your link: <a href=\"$link\">
                        <span class=\"longlink\">$link</span></a> is not a lob.li link and has not been shortened.
                    </div>
                ";
                exit;
            }
        }

        $short = $redis->lRange("links:$link", 0, 0);
        if($short){
            $link = $short[0];
            echo "
                <div class=\"alert alert-success\" id=\"success\">
                    Your Resolved link: <a href=\"$link\">
                    <span class=\"longlink\">$link</span></a>
                      
                    <a href=\"#\" id=\"copylink\" title=\"Copy Link\" onclick=\"copyToClipboard('$link');\">
                      <span class=\"glyphicon glyphicon-link\" style=\"float:right;padding-right:1%;\"></span>
                    </a>
                </div>
            ";
            exit;
        }else{
            $short = $redis->get("llinks:$link");
            if($short){
                echo  "
                    <div class=\"alert alert-warning\" id=\"warning\">
                        Your link: <a href=\"$link\">
                        <span class=\"longlink2\">$link</span></a> is not a lob.li link.<br> However we found that it has been shortened. <a href=\"http://lob.li/$short\">lob.li/$short</a>
                        <a href=\"#\" id=\"copylink\" title=\"Copy Link\" onclick=\"copyToClipboard('http://lob.li/$short');\">
                          <span class=\"glyphicon glyphicon-link\" style=\"float:right;padding-right:1%;\"></span>
                        </a>
                    </div>
                ";
                exit;
            }
        }

    }elseif(!empty($_POST['link']) || !empty($_POST['linkage'])){
        if(empty($_POST[$catchid]) || $_POST[$catchid] != $catchVal){ 
            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>");
        } 

        if(!$redis->exists("tokens:".$_SESSION['token']) || $redis->get("tokens:".$_SESSION['token']) == 1){
           include("Include/PHP/token.php");
            echo "<script>window.location = \"index.php\";</script>";
        }

        $redis->set("tokens:".$_SESSION['token'], 1);

    	//$short = sanitize($_POST['link'], $seperator);
        $short = $_POST['link'];
        $linkage = $_POST['linkage'];
        //echo $short;
        if(strpos($short, "http://") === false && strpos($short, "https://") === false){
            $short = "http://$short";
        }

        $reShort = shorten($redis, $short, $linkage, $seperator);
        $reShort = explode($seperator, $reShort);
        $retCode = $reShort[0];

        switch($retCode){
            case "0": // Successful link Shorten
                $short = $reShort[1];
                echo "
                    <div class=\"alert alert-success\" id=\"success\">
                        Your link: <a href=\"http://lob.li/$short\" target=\"lobli.$short\">lob.li/$short</a>
                        <a href=\"#\" id=\"copylink\" title=\"Copy Link\" onclick=\"copyToClipboard('http://lob.li/$short');\">
                            <!--<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
                              <span class=\"glyphicon glyphicon-refresh\" style=\"float:right;\"></span>
                            </a>-->
                            <span class=\"glyphicon glyphicon-link\" style=\"float:right;padding-right:1%;\"></span>
                        </a>
                    </div>
                ";
                break;

            case "1": // Existing Short Link Found
                $short = $reShort[1];
                echo "
                    <div class=\"alert alert-warning\" id=\"warning\">
                        Existing link: <a href=\"http://lob.li/$short\" target=\"lobli.$short\">lob.li/$short</a>
                         <a href=\"#\" id=\"copylink\" title=\"Copy Link\" onclick=\"copyToClipboard('http://lob.li/$short');\">
                            <span class=\"glyphicon glyphicon-link\" style=\"float:right;padding-right:1%;\"></span>
                        </a>
                    </div>
                ";
                break;

            case "2": // Dead Link
                $link = $reShort[1];
                echo "
                    <div class=\"alert alert-danger\" id=\"danger\">
                        ERROR! - Your link: <a href=\"$link\" target=\"$link\">$link</a> didn't resolve to a website. <br />Please check your link and try again.
                    </div>
                ";
                break;

            case "3": // DB Error
                $error = $reShort[1];
                echo "
                    <div class=\"alert alert-danger\" id=\"danger\">
                        ERROR! - Well this is embarrassing... This never happens, but I appear to have suffered a database error. <br />Here's what I know: $error
                    </div>
                ";
                break;

            case "4": // Sanitize Failure Error
                echo "
                    <div class=\"alert alert-danger\" id=\"danger\">
                        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. 
                    </div>
                ";
                break;

            default:
                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>";
                break;
        }

        exit;

        //foreach($messages as $message){
        //    echo $message;
        //}

    }else{ die("<div id=\"danger\" class=\"alert alert-danger\">I can't do my job if I'm not given a link to work on...</div>"); }

?>