mirror of
https://github.com/EGroupware/egroupware.git
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289 lines
9.0 KiB
PHP
289 lines
9.0 KiB
PHP
<?php
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/**************************************************************************\
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* phpGroupWare xmlrpc server *
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* http://www.phpgroupware.org *
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* This file written by Joseph Engo <jengo@phpgroupware.org> *
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* -------------------------------------------- *
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* This program is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU General Public License as published by the *
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* Free Software Foundation; either version 2 of the License, or (at your *
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* option) any later version. *
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\**************************************************************************/
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/* $Id$ */
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/* $Source$ */
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// NOTE! This file is still in the experimental stages, use at your own risk!
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// The only current documentation for it is the code and the comments
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// A document explaining its usage should be done shortly
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// PLEASE, do *NOT* make any changes to this file without talking to me
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// directly first. Until I get it fully undercontrol.
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// There might be possiable security holes in this, I haven't fully tested it
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// (jengo)
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$GLOBALS['phpgw_info'] = array();
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$GLOBALS['phpgw_info']['flags'] = array(
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'currentapp' => 'login',
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'noheader' => True,
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'disable_Template_class' => True
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);
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include('header.inc.php');
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// If XML-RPC isn't enabled in PHP, return an XML-RPC response stating so
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if (! function_exists('xmlrpc_server_create'))
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{
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echo "<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>\n";
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echo "<methodResponse>\n";
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echo "<fault>\n";
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echo " <value>\n";
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echo " <struct>\n";
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echo " <member>\n";
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echo " <name>faultString</name>\n";
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echo " <value>\n";
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echo " <string>XML-RPC support NOT enabled in PHP installation</string>\n";
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echo " </value>\n";
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echo " </member>\n";
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echo " <member>\n";
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echo " <name>faultCode</name>\n";
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echo " <value>\n";
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echo " <int>1005</int>\n";
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echo " </value>\n";
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echo " </member>\n";
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echo " </struct>\n";
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echo " </value>\n";
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echo "</fault>\n";
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echo "</methodResponse>\n";
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exit;
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}
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// Return all PHP errors as faults
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$GLOBALS['xmlrpc_server'] = xmlrpc_server_create();
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error_reporting(E_ERROR | E_WARNING | E_PARSE);
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set_error_handler('xmlrpc_custom_error');
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$headers = getallheaders();
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if (ereg('Basic',$headers['Authorization']))
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{
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$tmp = $headers['Authorization'];
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$tmp = ereg_replace(' ','',$tmp);
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$tmp = ereg_replace('Basic','',$tmp);
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$auth = base64_decode(trim($tmp));
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list($sessionid,$kp3) = split(':',$auth);
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if ($GLOBALS['phpgw']->session->verify($sessionid,$kp3))
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{
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$GLOBALS['xmlrpc_server'] = xmlrpc_server_create();
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$request_xml = $HTTP_RAW_POST_DATA;
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// Find out what method they are calling
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// This function is odd, you *NEED* to assign the results
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// to a value, or $method is never returned. (jengo)
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$null = xmlrpc_decode_request($request_xml, &$method);
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$GLOBALS['phpgw']->session->xmlrpc_method_called = $method;
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$GLOBALS['phpgw']->session->update_dla();
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// Check permissions and load the class, register all methods
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// for that class, and execute it
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list($app,$class,$func) = explode('.',$method);
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if ($method == 'system.logout' || $GLOBALS['phpgw_info']['user']['apps'][$app] || $app == 'phpgwapi')
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{
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$GLOBALS['obj'] = CreateObject($app . '.' . $class);
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xmlrpc_server_register_method($xmlrpc_server,sprintf('%s.%s.%s',$app,$class,'listMethods'),'xmlrpc_list_methods');
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xmlrpc_server_register_method($xmlrpc_server,sprintf('%s.%s.%s',$app,$class,'describeMethods'),xmlrpc_describe_methods);
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xmlrpc_server_register_method($xmlrpc_server,'system.logout','xmlrpc_logout');
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while (list(,$new_method) = @each($obj->xmlrpc_methods))
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{
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$full_method_name = sprintf('%s.%s.%s',$app,$class,$new_method['name']);
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xmlrpc_server_register_method($xmlrpc_server,$full_method_name,'xmlrpc_call_wrapper');
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// The following function is listed as being in the API, but doesn't actually exisit.
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// This is more of a mental note to track down its exisitence
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//xmlrpc_server_set_method_description($xmlrpc_server,$full_method_name,$new_method);
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}
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}
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else if ($method != 'system.listMethods' && $method != 'system.describeMethods')
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{
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xmlrpc_error(1001,'Access not permitted');
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}
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echo xmlrpc_server_call_method($xmlrpc_server,$request_xml,'');
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xmlrpc_server_destroy($xmlrpc_server);
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}
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else
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{
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// Session is invailed
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xmlrpc_error(1001,'Session expired');
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}
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}
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else
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{
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// First, create a single method being system.login
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// If they don't request this, then just return a failed session error
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$xmlrpc_server = xmlrpc_server_create();
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$request_xml = $HTTP_RAW_POST_DATA;
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// Find out what method they are calling
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// This function is odd, you *NEED* to assign the results
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// to a value, or $method is never returned. (jengo)
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$null = xmlrpc_decode_request($request_xml, &$method);
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if ($method == 'system.login')
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{
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xmlrpc_server_register_method($xmlrpc_server,'system.login','xmlrpc_login');
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echo xmlrpc_server_call_method($xmlrpc_server,$request_xml,'');
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xmlrpc_server_destroy($xmlrpc_server);
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exit;
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}
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else
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{
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// They didn't request system.login and they didn't pass sessionid or
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// kp3, this is an invailed session (The session could have also been killed or expired)
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xmlrpc_error(1001,'Session expired');
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}
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}
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// When PHP returns an error, return that error with a fault instead of
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// HTML with will make most parsers fall apart
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function xmlrpc_custom_error($error_number, $error_string, $filename, $line, $vars)
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{
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if (error_reporting() & $error_number)
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{
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$error_string .= sprintf("\nFilename: %s\nLine: %s",$filename,$line);
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xmlrpc_error(1005,$error_string);
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}
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}
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// This will create an XML-RPC error
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// FIXME! This needs to be expanded to handle PHP errors themselfs
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// it will make debugging easier
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function xmlrpc_error($error_number, $error_string)
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{
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$values = array(
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'faultString' => $error_string,
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'faultCode' => $error_number
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);
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echo xmlrpc_encode_request(NULL,$values);
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xmlrpc_server_destroy($GLOBALS['xmlrpc_server']);
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exit;
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}
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// This will dynamicly create the avaiable methods for each class
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function xmlrpc_list_methods($method)
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{
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list($app,$class,$func) = explode('.',$method);
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$methods[] = 'system.login';
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$methods[] = 'system.logout';
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$methods[] = $method;
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$methods[] = $app . '.' . $class . 'describeMethods';
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for ($i=0; $i<count($GLOBALS['obj']->xmlrpc_methods); $i++)
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{
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$methods[] = $GLOBALS['obj']->xmlrpc_methods[$i]['name'];
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}
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return $methods;
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}
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function xmlrpc_describe_methods($method)
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{
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list($app,$class,$func) = explode('.',$method);
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// FIXME! Add the missing pre-defined methods, example: system.login
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for ($i=0; $i<count($GLOBALS['obj']->xmlrpc_methods); $i++)
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{
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$methods[] = $GLOBALS['obj']->xmlrpc_methods[$i];
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}
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return $methods;
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}
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// I know everyone hates wrappers, but this is the best way this can be done
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// The XML-RPC functions pass method_name as the first parameter, which is
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// unacceptable.
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// Another reason for this, is it might be possiable to pass the sessionid
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// and kp3 instead of using HTTP_AUTH features.
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// Would be a nice workaround for librarys that don't support it, as its
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// not in the XML-RPC spec.
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function xmlrpc_call_wrapper($method_name, $parameters)
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{
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$a = explode('.',$method_name);
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if (count($parameters) == 0)
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{
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$return = $GLOBALS['obj']->$a[2]();
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}
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else if (count($parameters) == 1)
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{
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$return = $GLOBALS['obj']->$a[2]($parameters[0]);
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}
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else
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{
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for ($i=0; $i<count($parameters); $i++)
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{
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$p[] = '$parameters[' . $i . ']';
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}
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eval('$return = $GLOBALS[\'obj\']->$a[2](' . implode(',',$p) . ');');
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}
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// This needs to be expanded and more fully tested
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if (gettype($return) == 'NULL')
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{
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return xmlrpc_error(1002,'No return value detected');
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}
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else
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{
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return $return;
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}
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}
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// The following are common functions used ONLY by XML-RPC
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function xmlrpc_login($method_name, $parameters)
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{
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$p = $parameters[0];
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if ($p['domain'])
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{
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$username = $p['username'] . '@' . $p['domain'];
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}
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else
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{
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$username = $p['username'];
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}
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$sessionid = $GLOBALS['phpgw']->session->create($username,$p['password'],'text');
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$kp3 = $GLOBALS['phpgw']->session->kp3;
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$domain = $GLOBALS['phpgw']->session->account_domain;
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if ($sessionid && $kp3)
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{
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return array(
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'sessionid' => $sessionid,
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'kp3' => $kp3,
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'domain' => $domain
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);
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}
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else
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{
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xmlrpc_error(1001,'Login failed');
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}
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}
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function xmlrpc_logout($method, $parameters)
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{
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// We have already verified the session upon before this method is even created
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// As long as nothing happens upon, its safe to destroy the session without
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// fear of it being a hijacked session
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$GLOBALS['phpgw']->session->destroy($GLOBALS['phpgw']->session->sessionid,$GLOBALS['phpgw']->session->kp3);
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return True;
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}
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