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cvsjoko |
1.1 |
<?php |
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// by Edd Dumbill (C) 1999,2000 |
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// <edd@usefulinc.com> |
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joko |
1.3 |
// $Id: Server.php,v 1.2 2002/10/28 00:54:16 cvsjoko Exp $ |
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cvsjoko |
1.1 |
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// License is granted to use or modify this software ("XML-RPC for PHP") |
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// for commercial or non-commercial use provided the copyright of the author |
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// is preserved in any distributed or derivative work. |
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// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESSED OR |
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// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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// Adapted to PEAR standards by Stig Sæther Bakken <stig@php.net> |
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// XML RPC Server class |
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// requires: xmlrpc.inc |
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joko |
1.3 |
require_once "XML/RPC/RPC.php"; |
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cvsjoko |
1.1 |
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// listMethods: either a string, or nothing |
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$GLOBALS['XML_RPC_Server_listMethods_sig']= |
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array(array($GLOBALS['XML_RPC_Array'], $GLOBALS['XML_RPC_String']), |
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array($GLOBALS['XML_RPC_Array'])); |
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$GLOBALS['XML_RPC_Server_listMethods_doc']= |
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'This method lists all the methods that the XML-RPC server knows how to dispatch'; |
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function XML_RPC_Server_listMethods($server, $m) |
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{ |
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global $XML_RPC_err, $XML_RPC_str, $XML_RPC_Server_dmap; |
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$v=new XML_RPC_Value(); |
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$dmap=$server->dmap; |
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$outAr=array(); |
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for(reset($dmap); list($key, $val)=each($dmap); ) { |
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$outAr[]=new XML_RPC_Value($key, "string"); |
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} |
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$dmap=$XML_RPC_Server_dmap; |
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for(reset($dmap); list($key, $val)=each($dmap); ) { |
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$outAr[]=new XML_RPC_Value($key, "string"); |
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} |
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$v->addArray($outAr); |
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return new XML_RPC_Response($v); |
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} |
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$GLOBALS['XML_RPC_Server_methodSignature_sig']= |
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array(array($GLOBALS['XML_RPC_Array'], $GLOBALS['XML_RPC_String'])); |
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$GLOBALS['XML_RPC_Server_methodSignature_doc']= |
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'Returns an array of known signatures (an array of arrays) for the method name passed. If no signatures are known, returns a none-array (test for type != array to detect missing signature)'; |
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function XML_RPC_Server_methodSignature($server, $m) |
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{ |
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global $XML_RPC_err, $XML_RPC_str, $XML_RPC_Server_dmap; |
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$methName=$m->getParam(0); |
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$methName=$methName->scalarval(); |
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if (ereg("^system\.", $methName)) { |
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$dmap=$XML_RPC_Server_dmap; $sysCall=1; |
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} else { |
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$dmap=$server->dmap; $sysCall=0; |
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} |
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// print "<!-- ${methName} -->\n"; |
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if (isset($dmap[$methName])) { |
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if ($dmap[$methName]["signature"]) { |
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$sigs=array(); |
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$thesigs=$dmap[$methName]["signature"]; |
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for($i=0; $i<sizeof($thesigs); $i++) { |
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$cursig=array(); |
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$inSig=$thesigs[$i]; |
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for($j=0; $j<sizeof($inSig); $j++) { |
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$cursig[]=new XML_RPC_Value($inSig[$j], "string"); |
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} |
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$sigs[]=new XML_RPC_Value($cursig, "array"); |
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} |
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$r=new XML_RPC_Response(new XML_RPC_Value($sigs, "array")); |
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} else { |
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$r=new XML_RPC_Response(new XML_RPC_Value("undef", "string")); |
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} |
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} else { |
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$r=new XML_RPC_Response(0, |
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$XML_RPC_err["introspect_unknown"], |
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$XML_RPC_str["introspect_unknown"]); |
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} |
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return $r; |
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} |
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$GLOBALS['XML_RPC_Server_methodHelp_sig']= |
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array(array($GLOBALS['XML_RPC_String'], $GLOBALS['XML_RPC_String'])); |
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$GLOBALS['XML_RPC_Server_methodHelp_doc']= |
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'Returns help text if defined for the method passed, otherwise returns an empty string'; |
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function XML_RPC_Server_methodHelp($server, $m) |
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{ |
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global $XML_RPC_err, $XML_RPC_str, $XML_RPC_Server_dmap; |
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$methName=$m->getParam(0); |
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$methName=$methName->scalarval(); |
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if (ereg("^system\.", $methName)) { |
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$dmap=$XML_RPC_Server_dmap; $sysCall=1; |
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} else { |
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$dmap=$server->dmap; $sysCall=0; |
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} |
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// print "<!-- ${methName} -->\n"; |
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if (isset($dmap[$methName])) { |
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if ($dmap[$methName]["docstring"]) { |
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$r=new XML_RPC_Response(new XML_RPC_Value($dmap[$methName]["docstring"]), |
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"string"); |
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} else { |
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$r=new XML_RPC_Response(new XML_RPC_Value("", "string")); |
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} |
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} else { |
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$r=new XML_RPC_Response(0, |
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$XML_RPC_err["introspect_unknown"], |
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$XML_RPC_str["introspect_unknown"]); |
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} |
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return $r; |
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} |
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$GLOBALS['XML_RPC_Server_dmap']=array( |
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"system.listMethods" => |
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array("function" => "XML_RPC_Server_listMethods", |
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"signature" => $GLOBALS['XML_RPC_Server_listMethods_sig'], |
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"docstring" => $GLOBALS['XML_RPC_Server_listMethods_doc']), |
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"system.methodHelp" => |
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array("function" => "XML_RPC_Server_methodHelp", |
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"signature" => $GLOBALS['XML_RPC_Server_methodHelp_sig'], |
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"docstring" => $GLOBALS['XML_RPC_Server_methodHelp_doc']), |
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"system.methodSignature" => |
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array("function" => "XML_RPC_Server_methodSignature", |
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"signature" => $GLOBALS['XML_RPC_Server_methodSignature_sig'], |
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"docstring" => $GLOBALS['XML_RPC_Server_methodSignature_doc']) |
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); |
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$GLOBALS['XML_RPC_Server_debuginfo']=""; |
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function XML_RPC_Server_debugmsg($m) |
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{ |
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global $XML_RPC_Server_debuginfo; |
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$XML_RPC_Server_debuginfo=$XML_RPC_Server_debuginfo . $m . "\n"; |
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} |
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class XML_RPC_Server |
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{ |
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var $dmap=array(); |
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function XML_RPC_Server($dispMap, $serviceNow=1) |
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{ |
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global $HTTP_RAW_POST_DATA; |
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// dispMap is a despatch array of methods |
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// mapped to function names and signatures |
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// if a method |
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// doesn't appear in the map then an unknown |
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// method error is generated |
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$this->dmap=$dispMap; |
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if ($serviceNow) { |
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$this->service(); |
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} |
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} |
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function serializeDebug() |
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{ |
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global $XML_RPC_Server_debuginfo; |
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if ($XML_RPC_Server_debuginfo!="") |
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return "<!-- DEBUG INFO:\n\n" . |
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$XML_RPC_Server_debuginfo . "\n-->\n"; |
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else |
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return ""; |
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} |
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function service() |
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{ |
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$r=$this->parseRequest(); |
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$payload="<?xml version=\"1.0\"?>\n" . |
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$this->serializeDebug() . |
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$r->serialize(); |
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Header("Content-type: text/xml\nContent-length: " . |
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strlen($payload)); |
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print $payload; |
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} |
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function verifySignature($in, $sig) |
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{ |
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for($i=0; $i<sizeof($sig); $i++) { |
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// check each possible signature in turn |
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$cursig=$sig[$i]; |
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if (sizeof($cursig)==$in->getNumParams()+1) { |
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$itsOK=1; |
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for($n=0; $n<$in->getNumParams(); $n++) { |
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$p=$in->getParam($n); |
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// print "<!-- $p -->\n"; |
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if ($p->kindOf() == "scalar") { |
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$pt=$p->scalartyp(); |
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} else { |
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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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$itsOK=0; |
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$pno=$n+1; $wanted=$cursig[$n+1]; $got=$pt; |
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break; |
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} |
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} |
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if ($itsOK) |
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return array(1); |
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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 $XML_RPC_xh,$HTTP_RAW_POST_DATA; |
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global $XML_RPC_err, $XML_RPC_str, $XML_RPC_errxml, |
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$XML_RPC_defencoding, $XML_RPC_Server_dmap; |
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if ($data=="") { |
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$data=$HTTP_RAW_POST_DATA; |
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} |
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$parser = xml_parser_create($XML_RPC_defencoding); |
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$XML_RPC_xh[$parser]=array(); |
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$XML_RPC_xh[$parser]['st']=""; |
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$XML_RPC_xh[$parser]['cm']=0; |
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$XML_RPC_xh[$parser]['isf']=0; |
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$XML_RPC_xh[$parser]['params']=array(); |
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$XML_RPC_xh[$parser]['method']=""; |
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$plist = ''; |
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// decompose incoming XML into request structure |
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xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, true); |
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xml_set_element_handler($parser, "XML_RPC_se", "XML_RPC_ee"); |
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xml_set_character_data_handler($parser, "XML_RPC_cd"); |
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xml_set_default_handler($parser, "XML_RPC_dh"); |
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if (!xml_parse($parser, $data, 1)) { |
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// return XML error as a faultCode |
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$r=new XML_RPC_Response(0, |
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$XML_RPC_errxml+xml_get_error_code($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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xml_parser_free($parser); |
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} else { |
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xml_parser_free($parser); |
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$m=new XML_RPC_Message($XML_RPC_xh[$parser]['method']); |
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// now add parameters in |
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for($i=0; $i<sizeof($XML_RPC_xh[$parser]['params']); $i++) { |
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// print "<!-- " . $XML_RPC_xh[$parser]['params'][$i]. "-->\n"; |
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$plist.="$i - " . $XML_RPC_xh[$parser]['params'][$i]. " \n"; |
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eval('$m->addParam(' . $XML_RPC_xh[$parser]['params'][$i]. ");"); |
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} |
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XML_RPC_Server_debugmsg($plist); |
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// now to deal with the method |
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$methName=$XML_RPC_xh[$parser]['method']; |
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if (ereg("^system\.", $methName)) { |
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$dmap=$XML_RPC_Server_dmap; $sysCall=1; |
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} else { |
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$dmap=$this->dmap; $sysCall=0; |
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} |
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if (isset($dmap[$methName]['function'])) { |
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// dispatch if exists |
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if (isset($dmap[$methName]['signature'])) { |
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$sr=$this->verifySignature($m, |
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$dmap[$methName]['signature'] ); |
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} |
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if ( (!isset($dmap[$methName]['signature'])) || $sr[0]) { |
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// if no signature or correct signature |
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if ($sysCall) { |
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eval('$r=' . $dmap[$methName]['function'] . |
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'($this, $m);'); |
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} else { |
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eval('$r=' . $dmap[$methName]['function'] . |
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'($m);'); |
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} |
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} else { |
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$r=new XML_RPC_Response(0, |
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$XML_RPC_err["incorrect_params"], |
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$XML_RPC_str["incorrect_params"].": ". $sr[1]); |
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} |
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} else { |
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// else prepare error response |
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$r=new XML_RPC_Response(0, |
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$XML_RPC_err["unknown_method"], |
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$XML_RPC_str["unknown_method"]); |
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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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global $HTTP_RAW_POST_DATA; |
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// a debugging routine: just echos back the input |
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// packet as a string value |
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$r=new XML_RPC_Response; |
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$r->xv=new XML_RPC_Value( "'Aha said I: '" . $HTTP_RAW_POST_DATA, "string"); |
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print $r->serialize(); |
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} |
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} |
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?> |
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