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server.php
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72 lines (66 loc) · 1.77 KB
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<?php
/**
* $Id: server.php,v 1.1 2012/11/15 13:26:41 gaudenz Exp $
* Copyright (c) 2006, Gaudenz Alder
*
* This server handles two types of POST requests:
*
* - Save requests persist a graph model XML to a local file.
* They have an xml and draft (GET) parameter. draft
* is optional, the default value for draft is false.
* - Show requests convert a display XML to an image
* They have an xml and format (GET) paramter.
* xml is the mxGraphView XML data, format
* is one of html, png or jpg.
*/
// Includes the mxGraph library
include_once("../src/mxServer.php");
// Gets the format parameter from the URL
$format = $_GET["format"];
// Gets the XML parameter from the POST request
$xml = stripslashes($_POST["xml"]);
if (isset($xml))
{
// Creates an image for the given format
if (isset($format))
{
// Displays a saveAs dialog on the client
header("Content-Disposition: attachment; filename=\"diagram.$format\"");
header("Content-Type: image/$format");
$image = mxGraphViewImageReader::convert($xml, "#FFFFFF");
echo mxUtils::encodeImage($image, $format);
}
else
{
// Stores the xml in a local file
$ext = "tmp";
if (!isset($HTTP_GET_VARS["draft"]))
{
$ext = "xml";
unlink("diagram.tmp");
}
$filename = "diagram.$ext";
$fh = fopen($filename, "w");
fputs($fh, stripslashes($xml));
fclose($fh);
chmod($filename, 0777);
}
}
else
{
// Sends the diagram file to the client if
// there is a draft (tmp-file).
$filename = "diagram.tmp";
if (file_exists($filename))
{
// Avoids cache in Firefox
header("Content-type: text/xml");
Header("Pragma: no-cache"); #HTTP 1.0
Header("Cache-control: private, no-cache, no-store");
Header("Expires: 0");
$fh=fopen($filename, "r");
fpassthru($fh);
fclose($fh);
}
}
?>