kindOf())
{
case 'scalar':
if (in_array('extension_api', $options))
{
reset($xmlrpc_val->me);
list($typ,$val) = each($xmlrpc_val->me);
switch ($typ)
{
case 'dateTime.iso8601':
$xmlrpc_val->scalar = $val;
$xmlrpc_val->type = 'datetime';
$xmlrpc_val->timestamp = \PhpXmlRpc\Helper\Date::iso8601_decode($val);
return $xmlrpc_val;
case 'base64':
$xmlrpc_val->scalar = $val;
$xmlrpc_val->type = $typ;
return $xmlrpc_val;
default:
return $xmlrpc_val->scalarval();
}
}
if (in_array('dates_as_objects', $options) && $xmlrpc_val->scalartyp() == 'dateTime.iso8601')
{
// we return a Datetime object instead of a string
// since now the constructor of xmlrpcval accepts safely strings, ints and datetimes,
// we cater to all 3 cases here
$out = $xmlrpc_val->scalarval();
if (is_string($out))
{
$out = strtotime($out);
}
if (is_int($out))
{
$result = new \Datetime();
$result->setTimestamp($out);
return $result;
}
elseif (is_a($out, 'Datetime'))
{
return $out;
}
}
return $xmlrpc_val->scalarval();
case 'array':
$size = $xmlrpc_val->arraysize();
$arr = array();
for($i = 0; $i < $size; $i++)
{
$arr[] = $this->decode($xmlrpc_val->arraymem($i), $options);
}
return $arr;
case 'struct':
$xmlrpc_val->structreset();
// If user said so, try to rebuild php objects for specific struct vals.
/// @todo should we raise a warning for class not found?
// shall we check for proper subclass of xmlrpcval instead of
// presence of _php_class to detect what we can do?
if (in_array('decode_php_objs', $options) && $xmlrpc_val->_php_class != ''
&& class_exists($xmlrpc_val->_php_class))
{
$obj = @new $xmlrpc_val->_php_class;
while(list($key,$value)=$xmlrpc_val->structeach())
{
$obj->$key = $this->decode($value, $options);
}
return $obj;
}
else
{
$arr = array();
while(list($key,$value)=$xmlrpc_val->structeach())
{
$arr[$key] = $this->decode($value, $options);
}
return $arr;
}
case 'msg':
$paramcount = $xmlrpc_val->getNumParams();
$arr = array();
for($i = 0; $i < $paramcount; $i++)
{
$arr[] = $this->decode($xmlrpc_val->getParam($i));
}
return $arr;
}
}
/**
* Takes native php types and encodes them into xmlrpc PHP object format.
* It will not re-encode xmlrpcval objects.
*
* Feature creep -- could support more types via optional type argument
* (string => datetime support has been added, ??? => base64 not yet)
*
* If given a proper options parameter, php object instances will be encoded
* into 'special' xmlrpc values, that can later be decoded into php objects
* by calling php_xmlrpc_decode() with a corresponding option
*
* @author Dan Libby (dan@libby.com)
*
* @param mixed $php_val the value to be converted into an xmlrpcval object
* @param array $options can include 'encode_php_objs', 'auto_dates', 'null_extension' or 'extension_api'
* @return xmlrpcval
*/
function encode($php_val, $options=array())
{
$type = gettype($php_val);
switch($type)
{
case 'string':
if (in_array('auto_dates', $options) && preg_match('/^[0-9]{8}T[0-9]{2}:[0-9]{2}:[0-9]{2}$/', $php_val))
$xmlrpc_val = new Value($php_val, Value::$xmlrpcDateTime);
else
$xmlrpc_val = new Value($php_val, Value::$xmlrpcString);
break;
case 'integer':
$xmlrpc_val = new Value($php_val, Value::$xmlrpcInt);
break;
case 'double':
$xmlrpc_val = new Value($php_val, Value::$xmlrpcDouble);
break;
//
// Add support for encoding/decoding of booleans, since they are supported in PHP
case 'boolean':
$xmlrpc_val = new Value($php_val, Value::$xmlrpcBoolean);
break;
//
case 'array':
// PHP arrays can be encoded to either xmlrpc structs or arrays,
// depending on wheter they are hashes or plain 0..n integer indexed
// A shorter one-liner would be
// $tmp = array_diff(array_keys($php_val), range(0, count($php_val)-1));
// but execution time skyrockets!
$j = 0;
$arr = array();
$ko = false;
foreach($php_val as $key => $val)
{
$arr[$key] = $this->encode($val, $options);
if(!$ko && $key !== $j)
{
$ko = true;
}
$j++;
}
if($ko)
{
$xmlrpc_val = new Value($arr, Value::$xmlrpcStruct);
}
else
{
$xmlrpc_val = new Value($arr, Value::$xmlrpcArray);
}
break;
case 'object':
if(is_a($php_val, 'PhpXmlRpc\Value'))
{
$xmlrpc_val = $php_val;
}
else if(is_a($php_val, 'DateTime'))
{
$xmlrpc_val = new Value($php_val->format('Ymd\TH:i:s'), Value::$xmlrpcStruct);
}
else
{
$arr = array();
reset($php_val);
while(list($k,$v) = each($php_val))
{
$arr[$k] = $this->encode($v, $options);
}
$xmlrpc_val = new Value($arr, Value::$xmlrpcStruct);
if (in_array('encode_php_objs', $options))
{
// let's save original class name into xmlrpcval:
// might be useful later on...
$xmlrpc_val->_php_class = get_class($php_val);
}
}
break;
case 'NULL':
if (in_array('extension_api', $options))
{
$xmlrpc_val = new Value('', Value::$xmlrpcString);
}
else if (in_array('null_extension', $options))
{
$xmlrpc_val = new Value('', Value::$xmlrpcNull);
}
else
{
$xmlrpc_val = new Value();
}
break;
case 'resource':
if (in_array('extension_api', $options))
{
$xmlrpc_val = new Value((int)$php_val, Value::$xmlrpcInt);
}
else
{
$xmlrpc_val = new Value();
}
// catch "user function", "unknown type"
default:
// giancarlo pinerolo
// it has to return
// an empty object in case, not a boolean.
$xmlrpc_val = new Value();
break;
}
return $xmlrpc_val;
}
/**
* Convert the xml representation of a method response, method request or single
* xmlrpc value into the appropriate object (a.k.a. deserialize)
* @param string $xml_val
* @param array $options
* @return mixed false on error, or an instance of either Value, Request or Response
*/
function decode_xml($xml_val, $options=array())
{
/// @todo 'guestimate' encoding
$parser = xml_parser_create();
xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, true);
// What if internal encoding is not in one of the 3 allowed?
// we use the broadest one, ie. utf8!
if (!in_array(PhpXmlRpc::$xmlrpc_internalencoding, array('UTF-8', 'ISO-8859-1', 'US-ASCII')))
{
xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, 'UTF-8');
}
else
{
xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, PhpXmlRpc::$xmlrpc_internalencoding);
}
$xmlRpcParser = new XMLParser();
xml_set_object($parser, $xmlRpcParser);
xml_set_element_handler($parser, 'xmlrpc_se_any', 'xmlrpc_ee');
xml_set_character_data_handler($parser, 'xmlrpc_cd');
xml_set_default_handler($parser, 'xmlrpc_dh');
if(!xml_parse($parser, $xml_val, 1))
{
$errstr = sprintf('XML error: %s at line %d, column %d',
xml_error_string(xml_get_error_code($parser)),
xml_get_current_line_number($parser), xml_get_current_column_number($parser));
error_log($errstr);
xml_parser_free($parser);
return false;
}
xml_parser_free($parser);
if ($xmlRpcParser->_xh['isf'] > 1) // test that $xmlrpc->_xh['value'] is an obj, too???
{
error_log($xmlRpcParser->_xh['isf_reason']);
return false;
}
switch ($xmlRpcParser->_xh['rt'])
{
case 'methodresponse':
$v =& $xmlRpcParser->_xh['value'];
if ($xmlRpcParser->_xh['isf'] == 1)
{
$vc = $v->structmem('faultCode');
$vs = $v->structmem('faultString');
$r = new Response(0, $vc->scalarval(), $vs->scalarval());
}
else
{
$r = new Response($v);
}
return $r;
case 'methodcall':
$m = new Request($xmlRpcParser->_xh['method']);
for($i=0; $i < count($xmlRpcParser->_xh['params']); $i++)
{
$m->addParam($xmlRpcParser->_xh['params'][$i]);
}
return $m;
case 'value':
return $xmlRpcParser->_xh['value'];
default:
return false;
}
}
/**
* xml charset encoding guessing helper function.
* Tries to determine the charset encoding of an XML chunk received over HTTP.
* NB: according to the spec (RFC 3023), if text/xml content-type is received over HTTP without a content-type,
* we SHOULD assume it is strictly US-ASCII. But we try to be more tolerant of unconforming (legacy?) clients/servers,
* which will be most probably using UTF-8 anyway...
*
* @param string $httpheader the http Content-type header
* @param string $xmlchunk xml content buffer
* @param string $encoding_prefs comma separated list of character encodings to be used as default (when mb extension is enabled)
* @return string
*
* @todo explore usage of mb_http_input(): does it detect http headers + post data? if so, use it instead of hand-detection!!!
*/
function guess_encoding($httpheader='', $xmlchunk='', $encoding_prefs=null)
{
// discussion: see http://www.yale.edu/pclt/encoding/
// 1 - test if encoding is specified in HTTP HEADERS
//Details:
// LWS: (\13\10)?( |\t)+
// token: (any char but excluded stuff)+
// quoted string: " (any char but double quotes and cointrol chars)* "
// header: Content-type = ...; charset=value(; ...)*
// where value is of type token, no LWS allowed between 'charset' and value
// Note: we do not check for invalid chars in VALUE:
// this had better be done using pure ereg as below
// Note 2: we might be removing whitespace/tabs that ought to be left in if
// the received charset is a quoted string. But nobody uses such charset names...
/// @todo this test will pass if ANY header has charset specification, not only Content-Type. Fix it?
$matches = array();
if(preg_match('/;\s*charset\s*=([^;]+)/i', $httpheader, $matches))
{
return strtoupper(trim($matches[1], " \t\""));
}
// 2 - scan the first bytes of the data for a UTF-16 (or other) BOM pattern
// (source: http://www.w3.org/TR/2000/REC-xml-20001006)
// NOTE: actually, according to the spec, even if we find the BOM and determine
// an encoding, we should check if there is an encoding specified
// in the xml declaration, and verify if they match.
/// @todo implement check as described above?
/// @todo implement check for first bytes of string even without a BOM? (It sure looks harder than for cases WITH a BOM)
if(preg_match('/^(\x00\x00\xFE\xFF|\xFF\xFE\x00\x00|\x00\x00\xFF\xFE|\xFE\xFF\x00\x00)/', $xmlchunk))
{
return 'UCS-4';
}
elseif(preg_match('/^(\xFE\xFF|\xFF\xFE)/', $xmlchunk))
{
return 'UTF-16';
}
elseif(preg_match('/^(\xEF\xBB\xBF)/', $xmlchunk))
{
return 'UTF-8';
}
// 3 - test if encoding is specified in the xml declaration
// Details:
// SPACE: (#x20 | #x9 | #xD | #xA)+ === [ \x9\xD\xA]+
// EQ: SPACE?=SPACE? === [ \x9\xD\xA]*=[ \x9\xD\xA]*
if (preg_match('/^<\?xml\s+version\s*=\s*'. "((?:\"[a-zA-Z0-9_.:-]+\")|(?:'[a-zA-Z0-9_.:-]+'))".
'\s+encoding\s*=\s*' . "((?:\"[A-Za-z][A-Za-z0-9._-]*\")|(?:'[A-Za-z][A-Za-z0-9._-]*'))/",
$xmlchunk, $matches))
{
return strtoupper(substr($matches[2], 1, -1));
}
// 4 - if mbstring is available, let it do the guesswork
// NB: we favour finding an encoding that is compatible with what we can process
if(extension_loaded('mbstring'))
{
if($encoding_prefs)
{
$enc = mb_detect_encoding($xmlchunk, $encoding_prefs);
}
else
{
$enc = mb_detect_encoding($xmlchunk);
}
// NB: mb_detect likes to call it ascii, xml parser likes to call it US_ASCII...
// IANA also likes better US-ASCII, so go with it
if($enc == 'ASCII')
{
$enc = 'US-'.$enc;
}
return $enc;
}
else
{
// no encoding specified: as per HTTP1.1 assume it is iso-8859-1?
// Both RFC 2616 (HTTP 1.1) and 1945 (HTTP 1.0) clearly state that for text/xxx content types
// this should be the standard. And we should be getting text/xml as request and response.
// BUT we have to be backward compatible with the lib, which always used UTF-8 as default...
return PhpXmlRpc::$xmlrpc_defencoding;
}
}
}