aicc.php

<?php
header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
header("Expires: Sat, 26 Jul 1997 05:00:00 GMT"); // Date in the past
$now = date("Y-m-d h:ia (l)");
$logfile = "logs/log.txt";
$datafile = "data/data.txt";

$logstring = "";
$logstring .= "--------------------------------------------\r\n";
$logstring .= "Date/Time: ".$now."\r\n";
$logstring .= "--------------------------------------------\r\n";

if(isset($_POST["command"]))
{
    $logstring .= "command: ".$_POST["command"]."\r\n";
}

if(isset($_POST["session_id"]))
{
  $logstring .= "session_id: ".$_POST["session_id"]."\r\n";
}
if(isset($_POST["aicc_data"]))
{
  $logstring .= "aicc_data:\r\n".$_POST["aicc_data"]."\r\n";
}

if(isset($_POST["command"]))
{
  $command = strtolower($_POST["command"]);
  if($command == "getparam")
  {
    $s = "";
    if(is_readable($datafile))
    {
      if(filesize($datafile) > 0)
      {
        $fh = fopen($datafile, 'r');
        $s = fread($fh, filesize($datafile));
        fclose($fh);
      }
    }
    
    if($s == "")
    {
      $s  = "error=0\r\n";
      $s .= "error_text=Successful\r\n";
      $s .= "version=2.0\r\n";
      $s .= "aicc_data=[core]\r\n";
      $s .= "student_id=demo\r\n";
      $s .= "student_name=demo\r\n";
      $s .= "output_file=\r\n";
      $s .= "lesson_location=\r\n";
      $s .= "credit=no-credit\r\n";
      $s .= "lesson_mode=\r\n";
      $s .= "lesson_status=N\r\n";
      $s .= "time=00:00:00\r\n";
      $s .= "score=\r\n";
      $s .= "[Core_Lesson]\r\n";
      //$s .= "\r\n";
      $s .= "[Core_Vendor]\r\n";
      //$s .= "\r\n";
      //$s .= "";
    }

    $logstring .= "Data Returned:\r\n--------------------------------------------\r\n".$s;

    $logstring .= "--------------------------------------------\r\n";
    $logstring .= "\r\n";

    echo $s;
  }
  elseif(($command == "putparam") || ($command == "exitau") || ($command == "putinteractions"))
  {
    if(is_writable($datafile))
    {
      if($command == "putparam")
      {
        $s  = "error=0\r\n";
        $s .= "error_text=Successful\r\n";
        $s .= "version=2.0\r\n";
        $s .= $_POST["aicc_data"];
        $fh = fopen($datafile, 'w');
        fwrite($fh, $s);
        fclose($fh);
      }
      elseif($command == "putinteractions")
      {
        $s  = "error=0\r\n";
        $s .= "error_text=Successful\r\n";
        $s .= "version=2.0\r\n";
        $s .= $_POST["aicc_data"];
        $fh = fopen($datafile, 'w');
        fwrite($fh, $s);
        fclose($fh);
      }
    }
    else
    {
      echo "The file $datafile is not writable";
    }

    echo "error=0\r\nversion=2.0\r\naicc_data=\r\n";
  }
  else
  {
    $logstring = "ERROR - Unknown command: " . $_POST["command"] . "\r\n\r\n";
    echo "error=1\r\nerror_text=Unknown command\r\nversion=2.0\r\naicc_data=\r\n";
  }

  $fh = fopen($logfile, 'a');
  fwrite($fh, $logstring);
  fclose($fh);
}
else
{
  if(isset($_GET["command"]))
  {
    $command = strtolower($_GET["command"]);
    if(($command == "getlog"))
    {
      $fh = fopen($logfile, 'r');
      if(filesize($logfile) > 0)
      {
        $s = fread($fh, filesize($logfile));
      }
      else
      {
        $s = 'Log file is empty!';
      }
      fclose($fh);
      echo $s;
    }
    if(($command == "getdata"))
    {
      $fh = fopen($datafile, 'r');
      if(filesize($datafile) > 0)
      {
        $s = fread($fh, filesize($datafile));
      }
      else
      {
        $s = 'Data file is empty!';
      }
      fclose($fh);
      echo $s;
    }
    elseif(($command == "clearlog"))
    {
      $fh = fopen($logfile, 'w');
      fwrite($fh, '');
      fclose($fh);
      echo "SUCCESS";
    }
    elseif(($command == "cleardata"))
    {
      $fh = fopen($datafile, 'w');
      fwrite($fh, '');
      fclose($fh);
      echo "SUCCESS";
    }
    elseif(($command == "test"))
    {
      $s = "";
      $fh = fopen($logfile, 'a');
      $s .= "--------------------------------------------\r\n";
      $s .= "AICC Script Test: ".date(DATE_RFC822)." \r\n";
      $s .= "--------------------------------------------\r\n";
      fwrite($fh, $s);
      fclose($fh);
      echo "SUCCESS";
    }
  }
  else
  {
    $logstring = "ERROR - Unknown command";
    $fh = fopen($logfile, 'a');
    fwrite($fh, $logstring);
    fclose($fh);
    echo "error=1\r\nerror_text=Unknown command\r\nversion=2.0\r\naicc_data=\r\n";
  }
}

?>