egroupware/phpgwapi/inc/class.xmlrpc_server_epi.inc.php

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<?php
/**************************************************************************\
* eGroupWare API - XML-RPC Server *
* This file written by Miles Lott <milos@groupwhere.org> *
* Copyright (C) 2003 Miles Lott *
* -------------------------------------------------------------------------*
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, *
* or any later version. *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
* See the GNU Lesser General Public License for more details. *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
\**************************************************************************/
/* $Id$ */
class xmlrpc_server extends xmlrpc_server_shared
{
var $server = '';
var $authed = True;
var $log = False; //'/tmp/xmlrpc.log';
var $last_method = '';
function xmlrpc_server($dispMap='', $serviceNow=0)
{
$this->server = xmlrpc_server_create();
if($dispMap)
{
$this->dmap = $dispMap;
if($serviceNow)
{
$this->service();
}
}
}
function serializeDebug()
{
}
function service($r = False)
{
if (!$r) // do we have a response, or we need to parse the request
{
$r = $this->parseRequest();
}
if(!$r)
{
header('WWW-Authenticate: Basic realm="eGroupWare xmlrpc"');
header('HTTP/1.0 401 Unauthorized');
// for the log:
$payload = "WWW-Authenticate: Basic realm=\"eGroupWare xmlrpc\"\nHTTP/1.0 401 Unauthorized\n";
echo $payload;
}
else
{
// $payload = '<?xml version="1.0"?\>' . "\n" . $this->serializeDebug() . $r->serialize();
// Header("Content-type: text/xml\r\nContent-length: " . bytes($payload));
// print $payload;
echo $r;
}
if($this->log)
{
$fp = fopen($this->log,'a+');
fwrite($fp,"\n\n" . date('Y-m-d H:i:s') . " authorized="
. ($this->authed ? $GLOBALS['egw_info']['user']['account_lid'] : 'False')
. ", method='$this->last_method'\n");
fwrite($fp,"==== GOT ============================\n" . $GLOBALS['HTTP_RAW_POST_DATA']
. "\n==== RETURNED =======================\n");
fputs($fp,$payload);
fclose($fp);
}
if($this->debug)
{
$this->echoInput();
$fp = fopen('/tmp/xmlrpc_debug.out','a+');
fputs($fp,$payload);
fclose($fp);
}
}
function add_to_map($methodname,$function,$sig,$doc)
{
xmlrpc_server_register_method($this->server,$methodname,$function);
// xmlrpc_server_register_method($this->server,$methodname,'xmlrpc_call_wrapper');
// $descr = array(
// 'function' => $function,
// 'signature' => $sig,
// 'docstring' => $doc
// );
// xmlrpc_server_set_method_description($this->server,$methodname,$descr);
$this->dmap[$methodname] = array(
'function' => $function,
'signature' => $sig,
'docstring' => $doc
);
}
function verifySignature($in, $sig)
{
return array(1);
for($i=0; $i<sizeof($sig); $i++)
{
// check each possible signature in turn
$cursig = $sig[$i];
if (sizeof($cursig) == $in->getNumParams()+1)
{
$itsOK = 1;
for($n=0; $n<$in->getNumParams(); $n++)
{
$p = $in->getParam($n);
// print "<!-- $p -->\n";
if ($p->kindOf() == 'scalar')
{
$pt = $p->scalartyp();
}
else
{
$pt = $p->kindOf();
}
// $n+1 as first type of sig is return type
if ($pt != $cursig[$n+1])
{
$itsOK = 0;
$pno = $n+1;
$wanted = $cursig[$n+1];
$got = $pt;
break;
}
}
if ($itsOK)
{
return array(1);
}
}
}
return array(0, "Wanted $wanted, got $got at param $pno)");
}
function parseRequest($data='')
{
if($data == '')
{
$data = $GLOBALS['HTTP_RAW_POST_DATA'];
}
// return $this->echoInput($data);
/* Decode to extract methodName */
$params = xmlrpc_decode_request($data, &$methName);
$this->last_method = $methName;
$syscall = 0;
/* Setup dispatch map based on the function, if this is a system call */
if(preg_match('/^system\./', $methName))
{
foreach($GLOBALS['_xmlrpcs_dmap'] as $meth => $dat)
{
$this->add_to_map($meth,$dat['function'],$dat['signature'],$dat['docstring']);
}
$sysCall = 1;
$dmap = $this->dmap;
}
elseif(preg_match('/^examples\./',$methName) ||
preg_match('/^validator1\./',$methName) ||
ereg('^interopEchoTests\.', $methName)
)
{
$dmap = $this->dmap;
$sysCall = 1;
}
/* verify dispatch map, or try to fix it for non-trivial system calls */
if(!isset($this->dmap[$methName]['function']))
{
if($sysCall)
{
/* Bad or non-existent system call, return error */
$r = CreateObject('phpgwapi.xmlrpcresp',
'',
$GLOBALS['xmlrpcerr']['unknown_method'],
$GLOBALS['xmlrpcstr']['unknown_method'] . ': ' . $methName
);
return $r;
}
if($this->authed)
{
$method = $methName;
list($app,$class,$method) = explode('.',$methName);
switch($app)
{
case 'server':
case 'phpgwapi':
/* Server role functions only - api access */
if($GLOBALS['egw']->acl->get_role() >= EGW_ACL_SERVER)
{
$dmap = ExecMethod(sprintf('%s.%s.%s','phpgwapi',$class,'list_methods'),'xmlrpc');
}
break;
case 'service':
/* Service functions, user-level */
$t = 'phpgwapi.' . $class . '.exec';
$dmap = ExecMethod($t,array($service,'list_methods','xmlrpc'));
break;
default:
/* User-level application access */
if($GLOBALS['egw']->acl->check('run',EGW_ACL_READ,$app))
{
$dmap = ExecMethod(sprintf('',$app,$class,'list_methods'),'xmlrpc');
}
else
{
$r = CreateObject('phpgwapi.xmlrpcresp',
'',
$GLOBALS['xmlrpcerr']['no_access'],
$GLOBALS['xmlrpcstr']['no_access']
);
return $r;
}
}
}
}
/* add the functions from preset $dmap OR list_methods() to the server map */
foreach($dmap as $meth => $dat)
{
$this->add_to_map($meth,$dat['function'],$dat['signature'],$dat['docstring']);
}
/* _debug_array($this->dmap);exit; */
/* Now make the call */
if(isset($dmap[$methName]['function']))
{
// dispatch if exists
if(isset($dmap[$methName]['signature']))
{
$sr = $this->verifySignature($m, $dmap[$methName]['signature'] );
}
if((!isset($dmap[$methName]['signature'])) || $sr[0])
{
// if no signature or correct signature
$r = xmlrpc_server_call_method($this->server,$data,$params);
}
else
{
$r = CreateObject('phpgwapi.xmlrpcresp',
'',
$GLOBALS['xmlrpcerr']['incorrect_params'],
$GLOBALS['xmlrpcstr']['incorrect_params'] . ': ' . $sr[1]
);
}
}
else
{
// else prepare error response
if(!$this->authed)
{
// $r = False;
// send 401 header to force authorization
$r = CreateObject('phpgwapi.xmlrpcresp',
CreateObject('phpgwapi.xmlrpcval',
'UNAUTHORIZED',
'string'
)
);
}
else
{
$r = CreateObject('phpgwapi.xmlrpcresp',
'',
$GLOBALS['xmlrpcerr']['unknown_method'],
$GLOBALS['xmlrpcstr']['unknown_method'] . ': ' . $methName
);
}
}
xmlrpc_server_destroy($xmlrpc_server);
return $r;
}
function echoInput()
{
// a debugging routine: just echos back the input
// packet as a string value
/* TODO */
// $r = CreateObject('phpgwapi.xmlrpcresp',CreateObject('phpgwapi.xmlrpcval',"'Aha said I: '" . $HTTP_RAW_POST_DATA,'string'));
return $GLOBALS['HTTP_RAW_POST_DATA'];
}
function xmlrpc_custom_error($error_number, $error_string, $filename, $line, $vars)
{
if(error_reporting() & $error_number)
{
$error_string .= sprintf("\nFilename: %s\nLine: %s",$filename,$line);
xmlrpc_error(1005,$error_string);
}
}
/*
function xmlrpc_error($error_number, $error_string)
{
$values = array(
'faultString' => $error_string,
'faultCode' => $error_number
);
echo xmlrpc_encode_request(NULL,$values);
xmlrpc_server_destroy($GLOBALS['xmlrpc_server']);
exit;
}
*/
function xmlrpc_error($error_number, $error_string)
{
$r = CreateObject('phpgwapi.xmlrpcresp',
'',
$error_number,
$error_string . ': ' . $this->last_method
);
$this->service($r);
xmlrpc_server_destroy($GLOBALS['xmlrpc_server']);
exit;
}
}