index.php

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<?php


ini_set("display_errors",
  "Off"); // Don't display errors to the users. Set it to "On" to see errors for debugging purposes.

ini_set("memory_limit", "256M");


// Database connectivity procedures
include_once("../framework/db.php");

// Content negotion class
include_once("../framework/Conneg.php");

// The Web Service parent class
include_once("../framework/WebService.php");
include_once("../framework/ProcessorXML.php");
include_once("../framework/Namespaces.php");

include_once("Sparql.php");
include_once("../auth/validator/AuthValidator.php");

include_once("../framework/Logger.php");


// Full text query supporting the Lucene operators
$query = "";

if(isset($_POST['query']))
{
  $query = $_POST['query'];
}

// Datasets to target with the sparql query
$dataset = "";

if(isset($_POST['dataset']))
{
  $dataset = $_POST['dataset'];
}
  
// Datasets to target with the sparql query (optional) -- only used for consistency with the SPARQL protocol
if(isset($_POST['default-graph-uri']) && $dataset == "")
{
  $dataset = $_POST['default-graph-uri'];
}

// Datasets to target with the sparql query (optional) -- only used for consistency with the SPARQL protocol
if(isset($_POST['named-graph-uri']) && $dataset == "")
{
  $dataset = $_POST['named-graph-uri'];
}


// Limit of the number of results to return in the resultset
$limit = 2000;

if(isset($_POST['limit']))
{
  $limit = $_POST['limit'];
}

// Offset of the "sub-resultset" from the total resultset of the query
$offset = 0;

if(isset($_POST['offset']))
{
  $offset = $_POST['offset'];
}

// Optional IP
$registered_ip = "";

if(isset($_POST['registered_ip']))
{
  $registered_ip = $_POST['registered_ip'];
}

$mtime = microtime();
$mtime = explode(' ', $mtime);
$mtime = $mtime[1] + $mtime[0];
$starttime = $mtime;

$start_datetime = date("Y-m-d h:i:s");

$requester_ip = "0.0.0.0";

if(isset($_SERVER['REMOTE_ADDR']))
{
  $requester_ip = $_SERVER['REMOTE_ADDR'];
}

$parameters = "";

if(isset($_SERVER['REQUEST_URI']))
{
  $parameters = $_SERVER['REQUEST_URI'];

  $pos = strpos($parameters, "?");

  if($pos !== FALSE)
  {
    $parameters = substr($parameters, $pos, strlen($parameters) - $pos);
  }
}
elseif(isset($_SERVER['PHP_SELF']))
{
  $parameters = $_SERVER['PHP_SELF'];
}

$ws_sparql = new Sparql($query, $dataset, $limit, $offset, $registered_ip, $requester_ip);

$ws_sparql->ws_conneg($_SERVER['HTTP_ACCEPT'], $_SERVER['HTTP_ACCEPT_CHARSET'], $_SERVER['HTTP_ACCEPT_ENCODING'],
  $_SERVER['HTTP_ACCEPT_LANGUAGE']);

$ws_sparql->process();

$ws_sparql->ws_respond($ws_sparql->ws_serialize());

$mtime = microtime();
$mtime = explode(" ", $mtime);
$mtime = $mtime[1] + $mtime[0];
$endtime = $mtime;
$totaltime = ($endtime - $starttime);

$logger = new Logger("sparql", $requester_ip,
  "?query=" . $query . "&dataset=" . $dataset . "&registered_ip=" . $registered_ip . "&requester_ip=$requester_ip",
  $_SERVER['HTTP_ACCEPT'], $start_datetime, $totaltime, $ws_sparql->pipeline_getResponseHeaderStatus(),
  $_SERVER['HTTP_USER_AGENT']);



?>