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<?php
////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2014-2016, New York University.
// Copyright (C) 2011-2014, NYU-Poly.
// Copyright (C) 2006-2011, University of Utah.
// All rights reserved.
// Contact: contact@vistrails.org
//
// This file is part of VisTrails.
//
// "Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// - Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// - Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// - Neither the name of the New York University nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
//
////////////////////////////////////////////////////////////////////////////
// This file will connect to VisTrails XML RPC Server and return a workflow
// in XML format
// The url should follow this format:
// get_wf_xml.php?host=vistrails.org&db=vistrails&vt=8&version=598
// host and dbname are optional and you can set the default values below
// if the port is different from the dafault you can also pass the new value on
// the url
//functions.php is located inside the ./mediawiki folder
require_once 'functions.php';
require_once 'config.php';
// set variables with default values
$host = $DB_HOST;
$port = $DB_PORT;
$dbname = $DB_NAME;
$vtid = '';
$version = '';
$username = "vtserver";
$version_tag = '';
//Get the variables from the url
if(array_key_exists('host', $_GET))
$host = $_GET['host'];
if(array_key_exists('db',$_GET))
$dbname = $_GET['db'];
if(array_key_exists('port',$_GET))
$port = $_GET['port'];
if(array_key_exists('vt',$_GET))
$vtid = $_GET['vt'];
if(array_key_exists('version',$_GET))
$version = $_GET['version'];
if(array_key_exists('tag',$_GET)){
$version_tag = $_GET['tag'];
if ($version_tag != ''){
$request = xmlrpc_encode_request('get_tag_version',array($host, $port,
$dbname, $vtid,
$version_tag));
$response = do_call($VT_HOST,$VT_PORT,$request);
$version = get_version_from_response($response);
}
}
if(array_key_exists('buildalways',$_GET))
$force_build = (bool) $_GET['buildalways'];
//echo $force_build;
//Check if vtid and version were provided
//echo $vtid . $version;
if($vtid != '' and $version != ''){
//echo $host . $port . $dbname . $vtid . $version;
$request = xmlrpc_encode_request('get_wf_xml',
array($host, $port, $dbname, $vtid, $version));
//echo $request;
$response = do_call($VT_HOST,$VT_PORT,$request);
$response = html_entity_decode($response);
header("Content-Type: text/xml");
clean_up($response);
}
else{
echo "ERROR: Vistrails id or version not provided.\n";
}
function get_version_from_response($xmlstring){
try{
$node = @new SimpleXMLElement($xmlstring);
return $node->params[0]->param[0]->value[0]->array[0]->data[0]->value[0]->int[0];
} catch(Exception $e) {
echo "bad xml";
}
}
function clean_up($xmlstring){
try{
$node = @new SimpleXMLElement($xmlstring);
echo '<?xml version="1.0"?> '."\n";
echo $node->params[0]->param[0]->value[0]->array[0]->data[0]->value[0]->string[0]->workflow[0]->asXML();
} catch(Exception $e) {
echo "bad xml";
}
}
?>
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