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egroupware/phpgwapi/inc/class.xmlrpc_server_php.inc.php

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<?php
// Copyright (c) 1999,2000,2001 Edd Dumbill.
// All rights reserved.
//
// 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 "XML-RPC for PHP" 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
// REGENTS 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.
/*
* Incorporated for egroupware by Miles Lott <milos@groupwhere.org>
*/
/* $Id$ */
/* BEGIN server class */
class xmlrpc_server extends xmlrpc_server_shared
{
var $dmap = array();
var $authed = False;
var $req_array = array();
var $resp_struct = array();
var $debug = False;
var $method_requested;
var $log = False; //'/tmp/xmlrpc.log';
function xmlrpc_server($dispMap='', $serviceNow=0)
{
global $HTTP_RAW_POST_DATA;
// dispMap is a despatch array of methods
// mapped to function names and signatures
// if a method
// doesn't appear in the map then an unknown
// method error is generated
if($dispMap)
{
$this->dmap = $dispMap;
if ($serviceNow)
{
$this->service();
}
}
}
function serializeDebug()
{
if ($GLOBALS['_xmlrpc_debuginfo'] != '')
{
return "<!-- DEBUG INFO:\n\n" . $GLOBALS['_xmlrpc_debuginfo'] . "\n-->\n";
}
else
{
return '';
}
}
function service($r=False)
{
global $HTTP_RAW_POST_DATA;
if (!$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";
}
else
{
$payload = "<?xml version=\"1.0\"?>\n" . $this->serializeDebug() . $r->serialize();
Header("Content-type: text/xml\r\nContent-length: " . strlen($payload));
echo $GLOBALS['phpgw']->translation->convert($payload,$GLOBALS['phpgw']->translation->charset(),'utf-8');
}
if ($this->log)
{
$fp = fopen($this->log,'a+');
fwrite($fp,"\n\n".date('Y-m-d H:i:s')." authorized=".
($this->authed?$GLOBALS['phpgw_info']['user']['account_lid']:'False').
", method='$this->last_method'\n");
fwrite($fp,"==== GOT ============================\n".$HTTP_RAW_POST_DATA.
"\n==== RETURNED =======================\n");
fputs($fp,$payload);
fclose($fp);
}
if ($this->debug)
{
$this->echoInput();
$fp = fopen('/tmp/xmlrpc_debug.out','w');
fputs($fp,$payload);
fclose($fp);
}
}
/*
add a method to the dispatch map
*/
function add_to_map($methodname,$function,$sig,$doc)
{
$this->dmap[$methodname] = array(
'function' => $function,
'signature' => $sig,
'docstring' => $doc
);
}
function verifySignature($in, $sig)
{
for($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 $pno)");
}
function reqtoarray($_req,$recursed=False)
{
switch(gettype($_req))
{
case 'object':
if($recursed)
{
return $_req->getval();
}
else
{
$this->req_array = $_req->getval();
}
break;
case 'array':
@reset($_req);
$ele = array();
while(list($key,$val) = @each($_req))
{
if($recursed)
{
$ele[$key] = $this->reqtoarray($val,True);
}
else
{
$this->req_array[$key] = $this->reqtoarray($val,True);
}
}
if($recursed)
{
return $ele;
}
break;
case 'string':
case 'integer':
if($recursed)
{
return $_req;
}
else
{
$this->req_array[] = $_req;
}
break;
default:
break;
}
}
function build_resp($_res)
{
if (is_array($_res))
{
$i = 0;
$is_array = True;
foreach($_res as $key => $val)
{
$ele[$key] = $this->build_resp($val,True);
$is_array = $is_array && $i === $key;
++$i;
}
return CreateObject('phpgwapi.xmlrpcval',$ele,$is_array ? 'array' : 'struct');
}
$_type = (is_integer($_res) ? 'int' : gettype($_res));
if ($_type == 'string' && (ereg('^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}$',$_res)
|| ereg('^[0-9]{4}[0-9]{2}[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}$',$_res) ) )
{
$_type = 'dateTime.iso8601';
}
// Passing an integer of 0 to the xmlrpcval constructor results in the value being lost. (jengo)
if ($_type == 'int' && $_res == 0)
{
return CreateObject('phpgwapi.xmlrpcval','0',$_type);
}
return CreateObject('phpgwapi.xmlrpcval',$_res,$_type);
}
function parseRequest($data='')
{
global $HTTP_RAW_POST_DATA;
$r = False;
if ($data == '')
{
$data = $HTTP_RAW_POST_DATA;
}
$parser = xml_parser_create($GLOBALS['xmlrpc_defencoding']);
$GLOBALS['_xh'][$parser] = array();
$GLOBALS['_xh'][$parser]['st'] = '';
$GLOBALS['_xh'][$parser]['cm'] = 0;
$GLOBALS['_xh'][$parser]['isf'] = 0;
$GLOBALS['_xh'][$parser]['params'] = array();
$GLOBALS['_xh'][$parser]['method'] = '';
// decompose incoming XML into request structure
xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, true);
xml_set_element_handler($parser, 'xmlrpc_se', 'xmlrpc_ee');
xml_set_character_data_handler($parser, 'xmlrpc_cd');
xml_set_default_handler($parser, 'xmlrpc_dh');
if (!xml_parse($parser, $data, 1))
{
// return XML error as a faultCode
$r = CreateObject('phpgwapi.xmlrpcresp','',
$GLOBALS['xmlrpcerrxml'] + xml_get_error_code($parser),
sprintf('XML error: %s at line %d',
xml_error_string(xml_get_error_code($parser)),
xml_get_current_line_number($parser))
);
xml_parser_free($parser);
}
else
{
xml_parser_free($parser);
$m = CreateObject('phpgwapi.xmlrpcmsg',$GLOBALS['_xh'][$parser]['method']);
// now add parameters in
$plist = '';
for($i=0; $i<sizeof($GLOBALS['_xh'][$parser]['params']); $i++)
{
//print "<!-- " . $GLOBALS['_xh'][$parser]['params'][$i]. "-->\n";
$plist .= "$i - " . $GLOBALS['_xh'][$parser]['params'][$i]. " \n";
$code = '$m->addParam(' . $GLOBALS['_xh'][$parser]['params'][$i] . ');';
$code = str_replace(',,',",'',",$code);
eval($code);
}
// uncomment this to really see what the server's getting!
// xmlrpc_debugmsg($plist);
// now to deal with the method
$methName = $GLOBALS['_xh'][$parser]['method'];
$_methName = $GLOBALS['_xh'][$parser]['method'];
$this->last_method = $methName;
if (ereg("^system\.", $methName))
{
$dmap = $GLOBALS['_xmlrpcs_dmap'];
$sysCall=1;
}
else
{
$dmap = $this->dmap;
$sysCall=0;
}
if (!isset($dmap[$methName]['function']))
{
if($sysCall && $this->authed)
{
$r = CreateObject('phpgwapi.xmlrpcresp',
'',
$GLOBALS['xmlrpcerr']['unknown_method'],
$GLOBALS['xmlrpcstr']['unknown_method'] . ': ' . $methName
);
return $r;
}
if ($this->authed)
{
/* phpgw mod - fetch the (bo) class methods to create the dmap */
// This part is to update session action to match
$this->method_requested = $methName;
$method = $methName;
$tmp = explode('.',$methName);
$methName = $tmp[2];
$service = $tmp[1];
$class = $tmp[0];
if (ereg('^service',$method))
{
$t = 'phpgwapi.' . $class . '.exec';
$dmap = ExecMethod($t,array($service,'list_methods','xmlrpc'));
}
elseif($GLOBALS['phpgw']->acl->check('run',1,$class))
{
/* This only happens if they have app access. If not, we will
* return a fault below.
*/
$listmeth = $class . '.' . $service . '.' . 'list_methods';
$dmap = ExecMethod($listmeth,'xmlrpc');
}
else
{
$r = CreateObject('phpgwapi.xmlrpcresp',
'',
$GLOBALS['xmlrpcerr']['no_access'],
$GLOBALS['xmlrpcstr']['no_access']
);
return $r;
}
$this->dmap = $dmap;
/* _debug_array($this->dmap);exit; */
}
}
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'])) || $sr[0])
{
// if no signature or correct signature
if ($sysCall)
{
$code = '$r=' . $dmap[$methName]['function'] . '($this, $m);';
$code = str_replace(',,',",'',",$code);
eval($code);
}
else
{
if (function_exists($dmap[$methName]['function']))
{
$code = '$r =' . $dmap[$methName]['function'] . '($m);';
$code = str_replace(',,',",'',",$code);
eval($code);
}
else
{
/* phpgw mod - finally, execute the function call and return the values */
$params = $GLOBALS['_xh'][$parser]['params'][0];
$code = '$p = ' . $params . ';';
if (count($params) != 0)
{
eval($code);
$params = $p->getval();
}
// _debug_array($params);
$this->reqtoarray($params);
// decode from utf-8 to our charset
$this->req_array = $GLOBALS['phpgw']->translation->convert($this->req_array,'utf-8');
//_debug_array($this->req_array);
if (ereg('^service',$method))
{
$res = ExecMethod('phpgwapi.service.exec',array($service,$methName,$this->req_array));
}
else
{
list($s,$c,$m) = explode('.',$_methName);
$res = ExecMethod($s . '.' . $c . '.' . $dmap[$methName]['function'],$this->req_array);
}
//$this->resp_struct = array($this->build_resp($res,True));
//@reset($this->resp_struct);
//$r = CreateObject('phpgwapi.xmlrpcresp',CreateObject('phpgwapi.xmlrpcval',$this->resp_struct,'struct'));
// this fixes the unnecessary (and not standard-conform) array/xmlrpc struct around everything
$r = CreateObject('phpgwapi.xmlrpcresp',$this->build_resp($res,True));
/* _debug_array($r); */
}
}
}
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
/*CreateObject('phpgwapi.xmlrpcresp',
CreateObject('phpgwapi.xmlrpcval',
'UNAUTHORIZED',
'string'
)
);*/
}
else
{
$r = CreateObject('phpgwapi.xmlrpcresp',
'',
$GLOBALS['xmlrpcerr']['unknown_method'],
$GLOBALS['xmlrpcstr']['unknown_method'] . ': ' . $methName
);
}
}
}
unset($GLOBALS['_xh'][$parser]);
return $r;
}
function echoInput()
{
global $HTTP_RAW_POST_DATA;
// a debugging routine: just echos back the input
// packet as a string value
$r = CreateObject('phpgwapi.xmlrpcresp',CreateObject('phpgwapi.xmlrpcval',"'Aha said I: '" . $HTTP_RAW_POST_DATA,'string'));
//echo $r->serialize();
$fp = fopen('/tmp/xmlrpc_debug.in','w');
fputs($fp,$r->serialize);
fputs($fp,$HTTP_RAW_POST_DATA);
fclose($fp);
}
function xmlrpc_error($error_number, $error_string)
{
$r = CreateObject('phpgwapi.xmlrpcresp',
'',
$error_number,
$error_string . ': ' . $this->last_method
);
$this->service($r);
exit;
}
}
?>
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