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PHP WebService - Accepts 3DES encrypted file and parse it to database

This webService implements, uploadFile method. After file acceptance, 3DES decryption is executed and the file content is inserted to CMS database.

<?php
  require_once('./lib/nusoap.php');
 
  global $lingua, $filtro_categorias;
 
  date_default_timezone_set('Europe/Lisbon');
 
 
  // webservice's folder
  $wsfolder = 'wsdlfolder';
 
  // Declare a namespace to be used below
  $ns = "http://www.mywebsiteurl.com/$wsfolder";
 
  // Setup the WSDL
  $server = new soap_server();
  $server->debug_flag = false;
  $server->configureWSDL('FileTransferWSDL', $ns);
  $server->wsdl->schemaTargetNamespace = $ns;
 
 
  // Register the method to uplaod a file
  $server->register('uploadFile', // method name
  array('bytes' => 'xsd:string', 'filename' => 'xsd:string'), // input parameters
  array('return' => 'xsd:boolean'), // output parameters
  $ns, // namespace
  $ns . '#uploadFile', // soapaction
  'rpc', // style
  'encoded', // use
  'Upload a File' // documentation);
 
 
  // Use the request to (try to) invoke the service
  $HTTP_RAW_POST_DATA = isset($GLOBALS['HTTP_RAW_POST_DATA']) ? $GLOBALS['HTTP_RAW_POST_DATA'] : '';
  $server->service($HTTP_RAW_POST_DATA);
  exit();
 
 
 
 
 
 
  // Functions which are called when the above methods are used
 
  function uploadFile($bytes, $filename)
  {
      $uploadFolder = "upload/" . date("Ymd");
      if (!is_dir($uploadFolder))
          mkdir($uploadFolder);
     
      // Saveing file to server
      $filePath = "$uploadFolder/$filename";
     
      $fp = fopen($filePath, "w");
      fwrite($fp, base64_decode($bytes));
      fclose($fp);
     
      xmlTOdatabase($filePath);
     
      return;
  }
 
 
 
 
  function xmlTOdatabase($filePath)
  {
      $3des_key = "16_characters_length";
     
      $fp = fopen($filePath, "r");
     
      $fileContent = fread($fp, '9999');
      fclose($fp);
      $fileContentDecrypt = decrypt3DES($fileContent, $3des_key);
      $xmlObject = simplexml_load_string($fileContentDecrypt, 'SimpleXMLElement', LIBXML_NOCDATA);
     
     
      $item[providerid] = utf8_decode(strip_tags($xmlObject->NewsItem->Identification->NewsIdentifier->NewsItemId));
      $item[title] = utf8_decode(strip_tags(trim($xmlObject->NewsItem->NewsComponent->NewsLines->HeadLine)));
      $item[subtithe] = utf8_decode(strip_tags(trim($xmlObject->NewsItem->NewsComponent->NewsLines->SubHeadLine)));
      $item[author] = utf8_decode(trim($xmlObject->NewsItem->NewsComponent->NewsLines->ByLine));
      $item[date] = formatDate(utf8_decode(trim($xmlObject->NewsItem->NewsComponent->NewsLines->DateLine)));
      $item[source] = utf8_decode(trim($xmlObject->NewsItem->NewsComponent->NewsLines->CreditLine));
      $item[copyright] = utf8_decode(trim($xmlObject->NewsItem->NewsComponent->NewsLines->CopyrightLine));
      $item[category] = (int)substr(strip_tags($xmlObject->NewsItem->NewsComponent->TopicSet->Topic[0]->FormalName), 0, 2);
      $item[text] = utf8_decode(($xmlObject->NewsItem->NewsComponent->ContentItem->DataContent[0]));
      $item[country] = utf8_decode(strip_tags($xmlObject->NewsItem->NewsComponent->DescriptiveMetadata->Property[Value]));
     
      //print_r($item);
     
      if ($item[providerid] && !itemExixts($item[providerid])) {
              insertContent2DB($xmlObject);
      }
     
      return;
  }
 
 
 
  function decrypt3DES($string, $key)
  {
      $key_add = 24 - strlen($key);
      $key .= substr($key, 0, $key_add);
      $cipher_alg = MCRYPT_3DES;
      $decrypted_string = mcrypt_decrypt($cipher_alg, $key, $string, MCRYPT_MODE_ECB, $iv);
      return trim($decrypted_string);
  }


  function insertContent2DB($xmlObject)
  {
      //here, it depends on the used CMS
  }

  function itemExixts($providerid){
      //here, it depends on the used CMS
  }


  function formatDate($date){
      $aux = explode("-", $date);
      return "--";
  }

?>

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