xmlrpc.php

<?php

require_once(dirname(__FILE__) . '/settings.php');
require_once(dirname(__FILE__) . '/log.php');
require_once(dirname(__FILE__) . '/recipes.php');
require_once(dirname(__FILE__) . '/plugin.php');


error_reporting(-1);
ini_set('display_errors', 1);
$request_body = file_get_contents('php://input');

/*$request_body = "<?xml version=\"1.0\" ?><methodCall><methodName>metaWeblog.newPost</methodName><params><param><value><string></string></value></param><param><value><string>foo</string></value></param><param><value><string>bar</string></value></param><param><value><struct><member><name>title</name><value><string>Saldohälytys S-Pankista</string></value></member><member><name>description</name><value><string>23.7.2013 11:11:23
				     
				     Hyvä asiakkaamme
				     
				     Saldosi tilillä Ruokarahatili on alle 200,00 EUR
				     
				     Käyttövarasi on 163,65 EUR
				     
				     Tämä saldoviesti on lähetetty automaattisesti, joten ethän vastaa
				     viestiin. Voit muokata saldoviestin lähetysasetuksia tai peruuttaa
				     viestin tilauksen S-Pankin verkkopankissa.
				     
				     Ystävällisin terveisin
				     
				     S-Pankki</string></value></member><member><name>categories</name><value><array><data><value><string>plugin:email</string></value><value><string>from:jouni.kaplas@iki.fi</string></value></data></array></value></member><member><name>mt_keywords</name><value><array><data><value><string>IFTTT</string></value><value><string>IFTTT channel extensions</string></value><value><string>Gmail</string></value></data></array></value></member><member><name>post_status</name><value><string>publish</string></value></member></struct></value></param><param><value><boolean>1</boolean></value></param></params></methodCall>";
*/
$xml = simplexml_load_string($request_body);

__log("Endpoint triggered");
//__log($request_body);

// Plugin?
$__PLUGIN = null;

if (!$xml) {
    __errorAndDie("No XML Payload!");
}

switch ($xml->methodName) {

    //wordpress blog verification
    case 'mt.supportedMethods':
        success('metaWeblog.getRecentPosts');
        break;
    //first authentication request from ifttt
    case 'metaWeblog.getRecentPosts':
        //send a blank blog response
        //this also makes sure that the channel is never triggered
        success('<array><data></data></array>');
        break;

    case 'metaWeblog.newPost':
        __log("Processing newpost payload");
        
        //@see http://codex.wordpress.org/XML-RPC_WordPress_API/Posts#wp.newPost
        $obj = new stdClass;
    
        //get the parameters from xml
        $obj->username = (string) $xml->params->param[1]->value->string;
        $obj->password = (string) $xml->params->param[2]->value->string;

        //@see content in the wordpress docs
        $content = $xml->params->param[3]->value->struct->member;
        foreach ($content as $data) {
            switch ((string) $data->name) {
		
                // Tags are processed as a simple array
                case 'mt_keywords':
		    $tags = array();
		    foreach ($data->xpath('value/array/data/value/string') as $cat) {
			array_push($tags, (string) $cat);
		    }
		    $obj->tags = $tags;
		    break;
		

                // Categories are parsed as object properties
                case 'categories':
                    foreach ($data->xpath('value/array/data/value/string') as $cat) {
			$parts = preg_split('/:/', (string) $cat);
			if (count($parts) == 2) {
			    $obj->{$parts[0]} = $parts[1];
			}
		    }
                    break;

                // Others values are stored just as string (eg. title and description)
                default:
                    $obj->{$data->name} = (string) $data->value->string;
            }
        }
    
        // Plugin details
        /*if ($ALLOW_PLUGINS) {
            
            __log("Plugins are permitted");
            
            foreach ($obj->categories as $category) {
                if (strpos($category, 'plugin:') !== false)
                        $__PLUGIN = $category;
            }
            
            // If we allow plugins, pass the constructed object to 
            if ($__PLUGIN) {
                $processed = executePlugin($__PLUGIN, $obj, $content);
                if ($processed)
                    $obj = $processed;
                else
                {
                    __log("Plugin was invalid");
                    failure(400);
                }
            } 
            else
            {
                __log("No valid plugin specified");
                failure(400);
            }
        }*/
        
        //Make the webrequest
        //Only if we have a valid url
        /*if (valid_url($url, true)) {
            // Load Requests Library
            include('requests/Requests.php');
            Requests::register_autoloader();

            $headers = array('Content-Type' => 'application/json');
            $response = Requests::post($url, $headers, json_encode($obj));

            if ($response->success)
                success('<string>' . $response->status_code . '</string>');
            else
                failure($response->status_code);
        }
        else {
            //since the url was invalid, we return 400 (Bad Request)
            failure(400);
        }*/
        if ( select_the_right_recipe_for($obj) ) {
            success('<string>200</string>');
	} else {
	    failure(400);
	}
        break;
}



/** POSSIBLE RESPONSES FOR IFTTT **************************************************************/

function success($innerXML) {
    
    __log("Success!");
    
    $xml = <<<EOD
<?xml version="1.0"?>
<methodResponse>
  <params>
    <param>
      <value>
      $innerXML
      </value>
    </param>
  </params>
</methodResponse>

EOD;
    output($xml);
}

function output($xml) {
    $length = strlen($xml);
    header('Connection: close');
    header('Content-Length: ' . $length);
    header('Content-Type: text/xml');
    header('Date: ' . date('r'));
    echo $xml;
    exit;
}

function failure($status) {
    
    __log("Failure: $status", 'ERROR');
    
    $xml = <<<EOD
<?xml version="1.0"?>
<methodResponse>
  <fault>
    <value>
      <struct>
        <member>
          <name>faultCode</name>
          <value><int>$status</int></value>
        </member>
        <member>
          <name>faultString</name>
          <value><string>Request was not successful.</string></value>
        </member>
      </struct>
    </value>
  </fault>
</methodResponse>

EOD;
    output($xml);
}