contentdispenser/index.php

<?php

$idcko = $_GET['id'];

if (!empty($idcko)){

    $ipcka = $_SERVER['REMOTE_ADDR'];
    
    if(!file_exists("data/logs.json")){
        file_put_contents("data/logs.json", "{}");
    }

    if(!file_exists("data/pageindex.json")){
        file_put_contents("data/pageindex.json", "{}");
    }

    if(!file_exists("data/contents.json")){
        file_put_contents("data/contents.json", "{}");
    }

    $stranky = json_decode(file_get_contents("data/pageindex.json"), true);
    $contents = json_decode(file_get_contents("data/contents.json"), true);
    $logs = json_decode(file_get_contents("data/logs.json"), true);


    $alllog = "data/all.log";

    if(array_key_exists($idcko, $stranky)){

        $entry = $stranky[$idcko];

        if (!array_key_exists($entry["contentid"], $contents)){
            die("Faulty link");
        }

        $content = $contents[$entry["contentid"]];
        $nickname = $entry["nickname"];
        $logmessage = "Success from $nickname($idcko), IP: $ipcka\n";
        if (!array_key_exists($idcko, $logs)){
            $logs[$idcko] = [];
        }
        $logs[$idcko][] = array("action"=>"Success", "datetime"=>date("H:i:s d.m.Y"), "link"=>$idcko, "nickname"=>$nickname, "ip"=>$ipcka);

        file_put_contents("data/logs.json", json_encode($logs, JSON_PRETTY_PRINT));
        file_put_contents($alllog, $logmessage, FILE_APPEND);

        echo $content;

    }

    else{
        die("Nonexistent link");
    }    
}
else{
    die("No link");
}

?>