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