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435 lines
11 KiB
PHP
435 lines
11 KiB
PHP
<?php
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// Copyright (c) 1999,2000,2001 Edd Dumbill.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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//
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// * Neither the name of the "XML-RPC for PHP" nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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// REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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// OF THE POSSIBILITY OF SUCH DAMAGE.
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/* $Id$ */
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/* BEGIN server class */
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class xmlrpc_server
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{
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var $dmap = array();
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var $authed = False;
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var $req_array = array();
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var $resp_struct = array();
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function xmlrpc_server($dispMap='', $serviceNow=0)
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{
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// dispMap is a despatch array of methods
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// mapped to function names and signatures
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// if a method
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// doesn't appear in the map then an unknown
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// method error is generated
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if($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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$this->service();
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}
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}
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}
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function serializeDebug()
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{
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if ($GLOBALS['_xmlrpc_debuginfo'] != '')
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{
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return "<!-- DEBUG INFO:\n\n" . $GLOBALS['_xmlrpc_debuginfo'] . "\n-->\n";
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}
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else
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{
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return '';
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}
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}
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function service()
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{
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$r = $this->parseRequest();
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$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 $payload;
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}
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/*
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add a method to the dispatch map
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*/
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function add_to_map($methodname,$function,$sig,$doc)
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{
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$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, $sig)
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{
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for($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 $pno)");
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}
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function reqtoarray($_req,$recursed=False)
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{
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switch(gettype($_req))
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{
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case 'object':
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if($recursed)
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{
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return $_req->getval();
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}
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else
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{
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$this->req_array = $_req->getval();
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}
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break;
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case 'array':
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@reset($_req);
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$ele = array();
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while(list($key,$val) = @each($_req))
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{
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if($recursed)
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{
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$ele[$key] = $this->reqtoarray($val,True);
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}
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else
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{
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$this->req_array[$key] = $this->reqtoarray($val,True);
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}
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}
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if($recursed)
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{
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return $ele;
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}
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break;
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case 'string':
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case 'integer':
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if($recursed)
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{
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return $_req;
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}
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else
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{
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$this->req_array[] = $_req;
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}
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break;
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default:
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break;
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}
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}
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function build_resp($_res,$recursed=False)
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{
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if (is_array($_res))
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{
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@reset($_res);
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while (list($key,$val) = @each($_res))
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{
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$ele[$key] = $this->build_resp($val,True);
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}
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$this->resp_struct[] = CreateObject('phpgwapi.xmlrpcval',$ele,'struct');
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}
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else
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{
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$_type = (is_integer($_res)?'int':gettype($_res));
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if ($recursed)
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{
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// Passing an integer of 0 to the xmlrpcval constructor results in the value being lost. (jengo)
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if ($_type == 'int' && $_res == 0)
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{
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return CreateObject('phpgwapi.xmlrpcval','0',$_type);
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}
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else
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{
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return CreateObject('phpgwapi.xmlrpcval',$_res,$_type);
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}
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}
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else
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{
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// Passing an integer of 0 to the xmlrpcval constructor results in the value being lost. (jengo)
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if ($_type == 'int' && $_res == 0)
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{
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$this->resp_struct[] = CreateObject('phpgwapi.xmlrpcval','0',$_type);
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}
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else
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{
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$this->resp_struct[] = CreateObject('phpgwapi.xmlrpcval',$_res,$_type);
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}
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}
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}
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}
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function parseRequest($data='')
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{
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if ($data == '')
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{
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$data = $GLOBALS['HTTP_RAW_POST_DATA'];
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}
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$parser = xml_parser_create($GLOBALS['xmlrpc_defencoding']);
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$GLOBALS['_xh'][$parser] = array();
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$GLOBALS['_xh'][$parser]['st'] = '';
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$GLOBALS['_xh'][$parser]['cm'] = 0;
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$GLOBALS['_xh'][$parser]['isf'] = 0;
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$GLOBALS['_xh'][$parser]['params'] = array();
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$GLOBALS['_xh'][$parser]['method'] = '';
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// decompose incoming XML into request structure
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xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, true);
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xml_set_element_handler($parser, 'xmlrpc_se', 'xmlrpc_ee');
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xml_set_character_data_handler($parser, 'xmlrpc_cd');
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xml_set_default_handler($parser, 'xmlrpc_dh');
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if (!xml_parse($parser, $data, 1))
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{
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// return XML error as a faultCode
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$r = CreateObject('phpgwapi.xmlrpcresp','',
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$GLOBALS['xmlrpcerrxml'] + xml_get_error_code($parser),
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sprintf('XML error: %s at line %d',
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xml_error_string(xml_get_error_code($parser)),
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xml_get_current_line_number($parser))
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);
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xml_parser_free($parser);
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}
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else
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{
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xml_parser_free($parser);
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$m = CreateObject('phpgwapi.xmlrpcmsg',$GLOBALS['_xh'][$parser]['method']);
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// now add parameters in
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$plist = '';
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for($i=0; $i<sizeof($GLOBALS['_xh'][$parser]['params']); $i++)
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{
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//print "<!-- " . $GLOBALS['_xh'][$parser]['params'][$i]. "-->\n";
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$plist .= "$i - " . $GLOBALS['_xh'][$parser]['params'][$i]. " \n";
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$code = '$m->addParam(' . $GLOBALS['_xh'][$parser]['params'][$i] . ');';
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$code = ereg_replace(',,',",'',",$code);
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eval($code);
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}
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// uncomment this to really see what the server's getting!
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// xmlrpc_debugmsg($plist);
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// now to deal with the method
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$methName = $GLOBALS['_xh'][$parser]['method'];
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$_methName = $GLOBALS['_xh'][$parser]['method'];
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if (ereg("^system\.", $methName))
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{
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$dmap = $GLOBALS['_xmlrpcs_dmap'];
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$sysCall=1;
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}
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else
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{
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$dmap = $this->dmap;
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$sysCall=0;
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}
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if (!isset($dmap[$methName]['function']))
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{
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if($sysCall && $this->authed)
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{
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$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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return $r;
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}
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if ($this->authed)
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{
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/* phpgw mod - fetch the (bo) class methods to create the dmap */
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$method = $methName;
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$tmp = explode('.',$methName);
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$methName = $tmp[2];
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$service = $tmp[1];
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$class = $tmp[0];
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if (ereg('^service',$method))
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{
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$t = 'phpgwapi.' . $class . '.exec';
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$dmap = ExecMethod($t,array($service,'list_methods','xmlrpc'));
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}
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elseif($GLOBALS['phpgw']->acl->check('run',1,$class))
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{
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/* This only happens if they have app access. If not, we will
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* return a fault below.
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*/
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$listmeth = $class . '.' . $service . '.' . 'list_methods';
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$dmap = ExecMethod($listmeth,'xmlrpc');
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}
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else
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{
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$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 $r;
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}
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$this->dmap = $dmap;
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/* _debug_array($this->dmap);exit; */
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}
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}
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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'])) || $sr[0])
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{
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// if no signature or correct signature
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if ($sysCall)
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{
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$code = '$r=' . $dmap[$methName]['function'] . '($this, $m);';
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$code = ereg_replace(',,',",'',",$code);
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eval($code);
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}
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else
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{
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if (function_exists($dmap[$methName]['function']))
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{
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$code = '$r =' . $dmap[$methName]['function'] . '($m);';
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$code = ereg_replace(',,',",'',",$code);
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eval($code);
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}
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else
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{
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/* phpgw mod - finally, execute the function call and return the values */
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$params = $GLOBALS['_xh'][$parser]['params'][0];
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$code = '$p = ' . $params . ';';
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if (count($params) != 0)
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{
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eval($code);
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$params = $p->getval();
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}
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// _debug_array($params);
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$this->reqtoarray($params);
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//_debug_array($this->req_array);
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if (ereg('^service',$method))
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{
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$res = ExecMethod('phpgwapi.service.exec',array($service,$methName,$this->req_array));
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}
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else
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{
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list($s,$c,$m) = explode('.',$_methName);
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$res = ExecMethod($s . '.' . $c . '.' . $dmap[$methName]['function'],$this->req_array);
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}
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/* $res = ExecMethod($method,$params); */
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/* _debug_array($res);exit; */
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$this->resp_struct = array();
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$this->build_resp($res);
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/*_debug_array($this->resp_struct); */
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@reset($this->resp_struct);
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$r = CreateObject('phpgwapi.xmlrpcresp',CreateObject('phpgwapi.xmlrpcval',$this->resp_struct,'struct'));
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/* _debug_array($r); */
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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']['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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$r = CreateObject('phpgwapi.xmlrpcresp',
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CreateObject('phpgwapi.xmlrpcval',
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'UNAUTHORIZED',
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'string'
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)
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);
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}
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else
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{
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$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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}
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return $r;
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}
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function echoInput()
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{
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// a debugging routine: just echos back the input
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// packet as a string value
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$r = CreateObject('phpgwapi.xmlrpcresp',CreateObject('phpgwapi.xmlrpcval',"'Aha said I: '" . $GLOBALS['HTTP_RAW_POST_DATA'],'string'));
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echo $r->serialize();
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}
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}
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?>
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