query.php

<?php

// PHP wrapper for running the web query API for printer setup tools
// http://www.linuxfoundation.org/en/OpenPrinting/Database/Query
// The output of the called program "query" should not be modified, to
// keep the web query API compatible to the former site.
// PHP Code for access statistics, logging, ... can be added though.

// To be compatible with the former query.cgi the line
//   RewriteRule ^query.cgi/?$ query.php               [L]
// needs to be added to .htaccess

if (isset($_GET['papps']) && $_GET['papps'] == "true") {
  header("Content-Type: text/plain; name=query.txt; charset=UTF-8");
  header("Content-Disposition: inline; filename=\"query.txt\"");

  // Printer apps are stored in priority order in snap/printer-apps.txt
  $papp_args = "";
  foreach($_GET as $k => $v) {
    $wrappedk = escapeshellarg(htmlspecialchars($k));
    $wrappedv = escapeshellarg(htmlspecialchars($v));
    $papp_args .= " " . $wrappedk . "=" . $wrappedv;
  }

  $querycmdline = "sudo /var/www/openprinting.org/openprinting/query.sh" . $papp_args;
  passthru($querycmdline);
} else {
  if ($_GET['format'] == "xml") {
    header("Content-Type: text/xml; name=query.xml; charset=UTF-8");
    header("Content-Disposition: inline; filename=\"query.xml\"");
  } else {
    header("Content-Type: text/plain; name=query.txt; charset=UTF-8");
    header("Content-Disposition: inline; filename=\"query.txt\"");
  }

  $dir = getcwd();
  $querycmdline = "/usr/bin/perl ./query";
  foreach($_GET as $k => $v) {
    $querycmdline .= " " . escapeshellarg($k) . "=" . escapeshellarg($v);
  }

  chdir('foomatic');
  passthru($querycmdline);
  chdir($dir);
}

?>