X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=src%2FEncoder.php;h=220ce88165a353f1f15faf99e3d39497e2ef9a19;hb=9d4cfc9508b03a579dd62a28c0e9e428b5052f9b;hp=8c639581b19a0f1c0d62cbd684ea7a4c599dde3f;hpb=8f01888ce85ef2e3748b236e55bbab62a363c2a1;p=plcapi.git diff --git a/src/Encoder.php b/src/Encoder.php index 8c63958..220ce88 100644 --- a/src/Encoder.php +++ b/src/Encoder.php @@ -4,6 +4,9 @@ namespace PhpXmlRpc; use PhpXmlRpc\Helper\XMLParser; +/** + * A helper class to easily convert between Value objects and php native values + */ class Encoder { /** @@ -23,39 +26,39 @@ class Encoder * * @author Dan Libby (dan@libby.com) * - * @param Value|Request $xmlrpc_val + * @param Value|Request $xmlrpcVal * @param array $options if 'decode_php_objs' is set in the options array, xmlrpc structs can be decoded into php objects; if 'dates_as_objects' is set xmlrpc datetimes are decoded as php DateTime objects (standard is * * @return mixed */ - public function decode($xmlrpc_val, $options = array()) + public function decode($xmlrpcVal, $options = array()) { - switch ($xmlrpc_val->kindOf()) { + switch ($xmlrpcVal->kindOf()) { case 'scalar': if (in_array('extension_api', $options)) { - reset($xmlrpc_val->me); - list($typ, $val) = each($xmlrpc_val->me); + reset($xmlrpcVal->me); + list($typ, $val) = each($xmlrpcVal->me); switch ($typ) { case 'dateTime.iso8601': - $xmlrpc_val->scalar = $val; - $xmlrpc_val->type = 'datetime'; - $xmlrpc_val->timestamp = \PhpXmlRpc\Helper\Date::iso8601_decode($val); + $xmlrpcVal->scalar = $val; + $xmlrpcVal->type = 'datetime'; + $xmlrpcVal->timestamp = \PhpXmlRpc\Helper\Date::iso8601Decode($val); - return $xmlrpc_val; + return $xmlrpcVal; case 'base64': - $xmlrpc_val->scalar = $val; - $xmlrpc_val->type = $typ; + $xmlrpcVal->scalar = $val; + $xmlrpcVal->type = $typ; - return $xmlrpc_val; + return $xmlrpcVal; default: - return $xmlrpc_val->scalarval(); + return $xmlrpcVal->scalarval(); } } - if (in_array('dates_as_objects', $options) && $xmlrpc_val->scalartyp() == 'dateTime.iso8601') { + if (in_array('dates_as_objects', $options) && $xmlrpcVal->scalartyp() == 'dateTime.iso8601') { // we return a Datetime object instead of a string // since now the constructor of xmlrpc value accepts safely strings, ints and datetimes, // we cater to all 3 cases here - $out = $xmlrpc_val->scalarval(); + $out = $xmlrpcVal->scalarval(); if (is_string($out)) { $out = strtotime($out); } @@ -69,43 +72,41 @@ class Encoder } } - return $xmlrpc_val->scalarval(); + return $xmlrpcVal->scalarval(); case 'array': - $size = $xmlrpc_val->arraysize(); $arr = array(); - for ($i = 0; $i < $size; $i++) { - $arr[] = $this->decode($xmlrpc_val->arraymem($i), $options); + foreach($xmlrpcVal as $value) { + $arr[] = $this->decode($value, $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 xmlrpc value 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) + if (in_array('decode_php_objs', $options) && $xmlrpcVal->_php_class != '' + && class_exists($xmlrpcVal->_php_class) ) { - $obj = @new $xmlrpc_val->_php_class(); - while (list($key, $value) = $xmlrpc_val->structeach()) { + $obj = @new $xmlrpcVal->_php_class(); + foreach ($xmlrpcVal as $key => $value) { $obj->$key = $this->decode($value, $options); } return $obj; } else { $arr = array(); - while (list($key, $value) = $xmlrpc_val->structeach()) { + foreach ($xmlrpcVal as $key => $value) { $arr[$key] = $this->decode($value, $options); } return $arr; } case 'msg': - $paramcount = $xmlrpc_val->getNumParams(); + $paramCount = $xmlrpcVal->getNumParams(); $arr = array(); - for ($i = 0; $i < $paramcount; $i++) { - $arr[] = $this->decode($xmlrpc_val->getParam($i)); + for ($i = 0; $i < $paramCount; $i++) { + $arr[] = $this->decode($xmlrpcVal->getParam($i), $options); } return $arr; @@ -125,44 +126,44 @@ class Encoder * * @author Dan Libby (dan@libby.com) * - * @param mixed $php_val the value to be converted into an xmlrpc value object + * @param mixed $phpVal the value to be converted into an xmlrpc value object * @param array $options can include 'encode_php_objs', 'auto_dates', 'null_extension' or 'extension_api' * * @return \PhpXmlrpc\Value */ - public function encode($php_val, $options = array()) + public function encode($phpVal, $options = array()) { - $type = gettype($php_val); + $type = gettype($phpVal); 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); + if (in_array('auto_dates', $options) && preg_match('/^[0-9]{8}T[0-9]{2}:[0-9]{2}:[0-9]{2}$/', $phpVal)) { + $xmlrpcVal = new Value($phpVal, Value::$xmlrpcDateTime); } else { - $xmlrpc_val = new Value($php_val, Value::$xmlrpcString); + $xmlrpcVal = new Value($phpVal, Value::$xmlrpcString); } break; case 'integer': - $xmlrpc_val = new Value($php_val, Value::$xmlrpcInt); + $xmlrpcVal = new Value($phpVal, Value::$xmlrpcInt); break; case 'double': - $xmlrpc_val = new Value($php_val, Value::$xmlrpcDouble); + $xmlrpcVal = new Value($phpVal, 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); + $xmlrpcVal = new Value($phpVal, 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)); + // $tmp = array_diff(array_keys($phpVal), range(0, count($phpVal)-1)); // but execution time skyrockets! $j = 0; $arr = array(); $ko = false; - foreach ($php_val as $key => $val) { + foreach ($phpVal as $key => $val) { $arr[$key] = $this->encode($val, $options); if (!$ko && $key !== $j) { $ko = true; @@ -170,70 +171,90 @@ class Encoder $j++; } if ($ko) { - $xmlrpc_val = new Value($arr, Value::$xmlrpcStruct); + $xmlrpcVal = new Value($arr, Value::$xmlrpcStruct); } else { - $xmlrpc_val = new Value($arr, Value::$xmlrpcArray); + $xmlrpcVal = new Value($arr, Value::$xmlrpcArray); } break; case 'object': - if (is_a($php_val, 'PhpXmlRpc\Value')) { - $xmlrpc_val = $php_val; - } elseif (is_a($php_val, 'DateTime')) { - $xmlrpc_val = new Value($php_val->format('Ymd\TH:i:s'), Value::$xmlrpcStruct); + if (is_a($phpVal, 'PhpXmlRpc\Value')) { + $xmlrpcVal = $phpVal; + } elseif (is_a($phpVal, 'DateTime')) { + $xmlrpcVal = new Value($phpVal->format('Ymd\TH:i:s'), Value::$xmlrpcStruct); } else { $arr = array(); - reset($php_val); - while (list($k, $v) = each($php_val)) { + reset($phpVal); + while (list($k, $v) = each($phpVal)) { $arr[$k] = $this->encode($v, $options); } - $xmlrpc_val = new Value($arr, Value::$xmlrpcStruct); + $xmlrpcVal = new Value($arr, Value::$xmlrpcStruct); if (in_array('encode_php_objs', $options)) { // let's save original class name into xmlrpc value: // might be useful later on... - $xmlrpc_val->_php_class = get_class($php_val); + $xmlrpcVal->_php_class = get_class($phpVal); } } break; case 'NULL': if (in_array('extension_api', $options)) { - $xmlrpc_val = new Value('', Value::$xmlrpcString); + $xmlrpcVal = new Value('', Value::$xmlrpcString); } elseif (in_array('null_extension', $options)) { - $xmlrpc_val = new Value('', Value::$xmlrpcNull); + $xmlrpcVal = new Value('', Value::$xmlrpcNull); } else { - $xmlrpc_val = new Value(); + $xmlrpcVal = new Value(); } break; case 'resource': if (in_array('extension_api', $options)) { - $xmlrpc_val = new Value((int)$php_val, Value::$xmlrpcInt); + $xmlrpcVal = new Value((int)$phpVal, Value::$xmlrpcInt); } else { - $xmlrpc_val = new Value(); + $xmlrpcVal = 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(); + $xmlrpcVal = new Value(); break; } - return $xmlrpc_val; + return $xmlrpcVal; } /** * 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 string $xmlVal * @param array $options * * @return mixed false on error, or an instance of either Value, Request or Response */ - public function decode_xml($xml_val, $options = array()) + public function decodeXml($xmlVal, $options = array()) { + // 'guestimate' encoding + $valEncoding = XMLParser::guessEncoding('', $xmlVal); + if ($valEncoding != '') { + + // Since parsing will fail if charset is not specified in the xml prologue, + // the encoding is not UTF8 and there are non-ascii chars in the text, we try to work round that... + // The following code might be better for mb_string enabled installs, but + // makes the lib about 200% slower... + //if (!is_valid_charset($valEncoding, array('UTF-8')) + if (!in_array($valEncoding, array('UTF-8', 'US-ASCII')) && !XMLParser::hasEncoding($xmlVal)) { + if ($valEncoding == 'ISO-8859-1') { + $xmlVal = utf8_encode($xmlVal); + } else { + if (extension_loaded('mbstring')) { + $xmlVal = mb_convert_encoding($xmlVal, 'UTF-8', $valEncoding); + } else { + error_log('XML-RPC: ' . __METHOD__ . ': invalid charset encoding of xml text: ' . $valEncoding); + } + } + } + } - /// @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? @@ -250,7 +271,7 @@ class Encoder 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, $xml_val, 1)) { + if (!xml_parse($parser, $xmlVal, 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)); @@ -271,8 +292,8 @@ class Encoder case 'methodresponse': $v = &$xmlRpcParser->_xh['value']; if ($xmlRpcParser->_xh['isf'] == 1) { - $vc = $v->structmem('faultCode'); - $vs = $v->structmem('faultString'); + $vc = $v['faultCode']; + $vs = $v['faultString']; $r = new Response(0, $vc->scalarval(), $vs->scalarval()); } else { $r = new Response($v); @@ -280,12 +301,12 @@ class Encoder return $r; case 'methodcall': - $m = new Request($xmlRpcParser->_xh['method']); + $req = new Request($xmlRpcParser->_xh['method']); for ($i = 0; $i < count($xmlRpcParser->_xh['params']); $i++) { - $m->addParam($xmlRpcParser->_xh['params'][$i]); + $req->addParam($xmlRpcParser->_xh['params'][$i]); } - return $m; + return $req; case 'value': return $xmlRpcParser->_xh['value']; default: @@ -293,88 +314,4 @@ class Encoder } } - /** - * 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 $encoding_prefs comma separated list of character encodings to be used as default (when mb extension is enabled) - * @return string - * - * @todo explore usage of mb_http_input(): does it detect http headers + post data? if so, use it instead of hand-detection!!! - */ - public static function guess_encoding($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; - } - } }