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egroupware_official/phpgwapi/inc/class.xmlrpcmsg.inc.php

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<?php
// by Edd Dumbill (C) 1999-2001
// <edd@usefulinc.com>
// xmlrpc.inc,v 1.18 2001/07/06 18:23:57 edmundd
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// License is granted to use or modify this software ('XML-RPC for PHP')
// for commercial or non-commercial use provided the copyright of the author
// is preserved in any distributed or derivative work.
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESSED 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 AUTHOR 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.
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/* $Id$ */
class xmlrpcmsg
{
var $payload;
var $methodname;
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var $params = array();
var $debug = 0;
function xmlrpcmsg($meth, $pars=0)
{
$this->methodname=$meth;
if(is_array($pars) && sizeof($pars)>0)
{
for($i=0; $i<sizeof($pars); $i++)
{
$this->addParam($pars[$i]);
}
}
}
function xml_header()
{
return "<?xml version=\"1.0\"?" . ">\n<methodCall>\n";
}
function xml_footer()
{
return "</methodCall>\n";
}
function createPayload()
{
$this->payload=$this->xml_header();
$this->payload.='<methodName>' . $this->methodname . "</methodName>\n";
// if(sizeof($this->params)) {
$this->payload.="<params>\n";
for($i=0; $i<sizeof($this->params); $i++)
{
$p=$this->params[$i];
$this->payload.="<param>\n" . $p->serialize() .
"</param>\n";
}
$this->payload.="</params>\n";
// }
$this->payload.=$this->xml_footer();
//$this->payload=str_replace("\n", "\r\n", $this->payload);
}
function method($meth='')
{
if($meth!='')
{
$this->methodname=$meth;
}
return $this->methodname;
}
function serialize()
{
$this->createPayload();
return $this->payload;
}
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function addParam($par)
{
// add check: do not add to self params which are not xmlrpcvals
if(is_object($par) && (get_class($par) == 'xmlrpcval' || is_subclass_of($par, 'xmlrpcval')))
{
$this->params[]=$par;
return true;
}
else
{
return false;
}
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}
function getParam($i) { return $this->params[$i]; }
function getNumParams() { return sizeof($this->params); }
function &parseResponseFile($fp)
{
$ipd='';
while($data=fread($fp, 32768))
{
$ipd.=$data;
}
//fclose($fp);
$r =& $this->parseResponse($ipd);
return $r;
}
function &parseResponse($data='', $headers_processed=false)
{
$parser = xml_parser_create($GLOBALS['xmlrpc_defencoding']);
$hdrfnd = 0;
if($this->debug)
{
//by maHo, replaced htmlspecialchars with htmlentities
print "<PRE>---GOT---\n" . htmlentities($data) . "\n---END---\n</PRE>";
}
if($data == '')
{
error_log('No response received from server.');
$r =& CreateObject('phpgwapi.xmlrpcresp',0, $GLOBALS['xmlrpcerr']['no_data'], $GLOBALS['xmlrpcstr']['no_data']);
return $r;
}
// see if we got an HTTP 200 OK, else bomb
// but only do this if we're using the HTTP protocol.
if(preg_match('/'."^HTTP".'/',$data))
{
// Strip HTTP 1.1 100 Continue header if present
while(preg_match('/^HTTP\\/1.1 1[0-9]{2} /', $data))
{
$pos = strpos($data, 'HTTP', 12);
// server sent a Continue header without any (valid) content following...
// give the client a chance to know it
if(!$pos && !is_int($pos)) // works fine in php 3, 4 and 5
{
break;
}
$data = substr($data, $pos);
}
if(!preg_match('/'."^HTTP\\/[0-9\\.]+ 200 ".'/', $data))
{
$errstr= substr($data, 0, strpos($data, "\n")-1);
error_log('HTTP error, got response: ' .$errstr);
$r=& CreateObject('phpgwapi.xmlrpcresp',0, $GLOBALS['xmlrpcerr']['http_error'], $GLOBALS['xmlrpcstr']['http_error']. ' (' . $errstr . ')');
return $r;
}
}
$GLOBALS['_xh'][$parser] = array();
$GLOBALS['_xh'][$parser]['headers'] = array();
$GLOBALS['_xh'][$parser]['stack'] = array();
$GLOBALS['_xh'][$parser]['valuestack'] = array();
// separate HTTP headers from data
if(preg_match('/'."^HTTP".'/', $data))
{
// be tolerant to usage of \n instead of \r\n to separate headers and data
// (even though it is not valid http)
$pos = strpos($data,"\r\n\r\n");
if($pos || is_int($pos))
{
$bd = $pos+4;
}
else
{
$pos = strpos($data,"\n\n");
if($pos || is_int($pos))
{
$bd = $pos+2;
}
else
{
// No separation between response headers and body: fault?
$bd = 0;
}
}
// be tolerant to line endings, and extra empty lines
$ar = preg_split("/\r?\n/", trim(substr($data, 0, $pos)));
while(list(,$line) = @each($ar))
{
// take care of multi-line headers
$arr = explode(':',$line);
if(count($arr) > 1)
{
$header_name = strtolower(trim($arr[0]));
// TO DO: some headers (the ones that allow a CSV list of values)
// do allow many values to be passed using multiple header lines.
// We should add content to $GLOBALS['_xh'][$parser]['headers'][$header_name]
// instead of replacing it for those...
$GLOBALS['_xh'][$parser]['headers'][$header_name] = $arr[1];
for($i = 2; $i < count($arr); $i++)
{
$GLOBALS['_xh'][$parser]['headers'][$header_name] .= ':'.$arr[$i];
} // while
$GLOBALS['_xh'][$parser]['headers'][$header_name] = trim($GLOBALS['_xh'][$parser]['headers'][$header_name]);
}
elseif(isset($header_name))
{
$GLOBALS['_xh'][$parser]['headers'][$header_name] .= ' ' . trim($line);
}
}
$data = substr($data, $bd);
if($this->debug && count($GLOBALS['_xh'][$parser]['headers']))
{
print '<PRE>';
foreach($GLOBALS['_xh'][$parser]['headers'] as $header => $value)
{
print "HEADER: $header: $value\n";
}
print "</PRE>\n";
}
}
// if CURL was used for the call, http headers have been processed,
// and dechunking + reinflating have been carried out
if(!$headers_processed)
{
// Decode chunked encoding sent by http 1.1 servers
if(isset($GLOBALS['_xh'][$parser]['headers']['transfer-encoding']) && $GLOBALS['_xh'][$parser]['headers']['transfer-encoding'] == 'chunked')
{
if(!$data = decode_chunked($data))
{
error_log('Errors occurred when trying to rebuild the chunked data received from server');
$r =& CreateObject('phpgwapi.xmlrpcresp',0, $GLOBALS['xmlrpcerr']['dechunk_fail'], $GLOBALS['xmlrpcstr']['dechunk_fail']);
return $r;
}
}
// Decode gzip-compressed stuff
// code shamelessly inspired from nusoap library by Dietrich Ayala
if(isset($GLOBALS['_xh'][$parser]['headers']['content-encoding']))
{
if($GLOBALS['_xh'][$parser]['headers']['content-encoding'] == 'deflate' || $GLOBALS['_xh'][$parser]['headers']['content-encoding'] == 'gzip')
{
// if decoding works, use it. else assume data wasn't gzencoded
if(function_exists('gzinflate'))
{
if($GLOBALS['_xh'][$parser]['headers']['content-encoding'] == 'deflate' && $degzdata = @gzinflate($data))
{
$data = $degzdata;
if($this->debug)
print "<PRE>---INFLATED RESPONSE---[".strlen($data)." chars]---\n" . htmlentities($data) . "\n---END---</PRE>";
}
elseif($GLOBALS['_xh'][$parser]['headers']['content-encoding'] == 'gzip' && $degzdata = @gzinflate(substr($data, 10)))
{
$data = $degzdata;
if($this->debug)
print "<PRE>---INFLATED RESPONSE---[".strlen($data)." chars]---\n" . htmlentities($data) . "\n---END---</PRE>";
}
else
{
error_log('Errors occurred when trying to decode the deflated data received from server');
$r =& CreateObject('phpgwapi.xmlrpcresp',0, $GLOBALS['xmlrpcerr']['decompress_fail'], $GLOBALS['xmlrpcstr']['decompress_fail']);
return $r;
}
}
else
{
error_log('The server sent deflated data. Your php install must have the Zlib extension compiled in to support this.');
$r =& CreateObject('phpgwapi.xmlrpcresp',0, $GLOBALS['xmlrpcerr']['cannot_decompress'], $GLOBALS['xmlrpcstr']['cannot_decompress']);
return $r;
}
}
}
} // end of 'de-chunk, re-inflate response'
// be tolerant of extra whitespace in response body
$data = trim($data);
// be tolerant of junk after methodResponse (e.g. javascript automatically inserted by free hosts)
// idea from Luca Mariano <luca.mariano@email.it> originally in PEARified version of the lib
$bd = false;
$pos = strpos($data, '</methodResponse>');
while($pos || is_int($pos))
{
$bd = $pos+17;
$pos = strpos($data, '</methodResponse>', $bd);
}
if($bd)
{
$data = substr($data, 0, $bd);
}
$GLOBALS['_xh'][$parser]['isf']=0;
$GLOBALS['_xh'][$parser]['isf_reason']='';
$GLOBALS['_xh'][$parser]['ac']='';
$GLOBALS['_xh'][$parser]['qt']='';
xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, true);
// G. Giunta 2005/02/13: PHP internally uses ISO-8859-1, so we have to tell
// the xml parser to give us back data in the expected charset
xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, $GLOBALS['xmlrpc_internalencoding']);
xml_set_element_handler($parser, 'xmlrpc_se', 'xmlrpc_ee');
xml_set_character_data_handler($parser, 'xmlrpc_cd');
xml_set_default_handler($parser, 'xmlrpc_dh');
//$xmlrpc_value=new xmlrpcval;
if(!xml_parse($parser, $data, sizeof($data)))
{
// thanks to Peter Kocks <peter.kocks@baygate.com>
if((xml_get_current_line_number($parser)) == 1)
{
$errstr = 'XML error at line 1, check URL';
}
else
{
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$errstr = sprintf('XML error: %s at line %d',
xml_error_string(xml_get_error_code($parser)),
xml_get_current_line_number($parser));
}
error_log($errstr);
$r =& CreateObject('phpgwapi.xmlrpcresp',0, $GLOBALS['xmlrpcerr']['invalid_return'], $GLOBALS['xmlrpcstr']['invalid_return'].' ('.$errstr.')');
xml_parser_free($parser);
if($this->debug)
{
print $errstr;
}
$r->hdrs = $GLOBALS['_xh'][$parser]['headers'];
return $r;
}
xml_parser_free($parser);
if($GLOBALS['_xh'][$parser]['isf'] > 1)
{
if ($this->debug)
{
///@todo echo something for user?
}
$r =& CreateObject('phpgwapi.xmlrpcresp',0, $GLOBALS['xmlrpcerr']['invalid_return'],
$GLOBALS['xmlrpcstr']['invalid_return'] . ' ' . $GLOBALS['_xh'][$parser]['isf_reason']);
}
elseif (!is_object($GLOBALS['_xh'][$parser]['value']))
{
// then something odd has happened
// and it's time to generate a client side error
// indicating something odd went on
$r=& CreateObject('phpgwapi.xmlrpcresp',0, $GLOBALS['xmlrpcerr']['invalid_return'],
$GLOBALS['xmlrpcstr']['invalid_return']);
}
else
{
if ($this->debug)
{
print "<PRE>---PARSED---\n" ;
var_dump($GLOBALS['_xh'][$parser]['value']);
print "\n---END---</PRE>";
} // note that using =& will raise an error if $GLOBALS['_xh'][$parser]['st'] does not generate an object.
$v = $GLOBALS['_xh'][$parser]['value'];
if($GLOBALS['_xh'][$parser]['isf'])
{
$errno_v = $v->structmem('faultCode');
$errstr_v = $v->structmem('faultString');
$errno = $errno_v->scalarval();
if($errno == 0)
{
// FAULT returned, errno needs to reflect that
$errno = -1;
}
$r =& CreateObject('phpgwapi.xmlrpcresp',$v, $errno, $errstr_v->scalarval());
}
else
{
$r=& CreateObject('phpgwapi.xmlrpcresp',$v);
}
}
$r->hdrs = $GLOBALS['_xh'][$parser]['headers'];
return $r;
}
}
?>