/
class.soap_server.php
1127 lines (1081 loc) · 40.1 KB
/
class.soap_server.php
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<?php
/**
*
* nusoap_server allows the user to create a SOAP server
* that is capable of receiving messages and returning responses
*
* @author Dietrich Ayala <dietrich@ganx4.com>
* @author Scott Nichol <snichol@users.sourceforge.net>
* @version $Id: class.soap_server.php,v 1.63 2010/04/26 20:15:08 snichol Exp $
* @access public
*/
class nusoap_server extends nusoap_base {
/**
* HTTP headers of request
* @var array
* @access private
*/
var $headers = array();
/**
* HTTP request
* @var string
* @access private
*/
var $request = '';
/**
* SOAP headers from request (incomplete namespace resolution; special characters not escaped) (text)
* @var string
* @access public
*/
var $requestHeaders = '';
/**
* SOAP Headers from request (parsed)
* @var mixed
* @access public
*/
var $requestHeader = NULL;
/**
* SOAP body request portion (incomplete namespace resolution; special characters not escaped) (text)
* @var string
* @access public
*/
var $document = '';
/**
* SOAP payload for request (text)
* @var string
* @access public
*/
var $requestSOAP = '';
/**
* requested method namespace URI
* @var string
* @access private
*/
var $methodURI = '';
/**
* name of method requested
* @var string
* @access private
*/
var $methodname = '';
/**
* method parameters from request
* @var array
* @access private
*/
var $methodparams = array();
/**
* SOAP Action from request
* @var string
* @access private
*/
var $SOAPAction = '';
/**
* character set encoding of incoming (request) messages
* @var string
* @access public
*/
var $xml_encoding = '';
/**
* toggles whether the parser decodes element content w/ utf8_decode()
* @var boolean
* @access public
*/
var $decode_utf8 = true;
/**
* HTTP headers of response
* @var array
* @access public
*/
var $outgoing_headers = array();
/**
* HTTP response
* @var string
* @access private
*/
var $response = '';
/**
* SOAP headers for response (text or array of soapval or associative array)
* @var mixed
* @access public
*/
var $responseHeaders = '';
/**
* SOAP payload for response (text)
* @var string
* @access private
*/
var $responseSOAP = '';
/**
* method return value to place in response
* @var mixed
* @access private
*/
var $methodreturn = false;
/**
* whether $methodreturn is a string of literal XML
* @var boolean
* @access public
*/
var $methodreturnisliteralxml = false;
/**
* SOAP fault for response (or false)
* @var mixed
* @access private
*/
var $fault = false;
/**
* text indication of result (for debugging)
* @var string
* @access private
*/
var $result = 'successful';
/**
* assoc array of operations => opData; operations are added by the register()
* method or by parsing an external WSDL definition
* @var array
* @access private
*/
var $operations = array();
/**
* wsdl instance (if one)
* @var mixed
* @access private
*/
var $wsdl = false;
/**
* URL for WSDL (if one)
* @var mixed
* @access private
*/
var $externalWSDLURL = false;
/**
* whether to append debug to response as XML comment
* @var boolean
* @access public
*/
var $debug_flag = false;
/**
* constructor
* the optional parameter is a path to a WSDL file that you'd like to bind the server instance to.
*
* @param mixed $wsdl file path or URL (string), or wsdl instance (object)
* @access public
*/
function nusoap_server($wsdl=false){
parent::nusoap_base();
// turn on debugging?
global $debug;
global $HTTP_SERVER_VARS;
if (isset($_SERVER)) {
$this->debug("_SERVER is defined:");
$this->appendDebug($this->varDump($_SERVER));
} elseif (isset($HTTP_SERVER_VARS)) {
$this->debug("HTTP_SERVER_VARS is defined:");
$this->appendDebug($this->varDump($HTTP_SERVER_VARS));
} else {
$this->debug("Neither _SERVER nor HTTP_SERVER_VARS is defined.");
}
if (isset($debug)) {
$this->debug("In nusoap_server, set debug_flag=$debug based on global flag");
$this->debug_flag = $debug;
} elseif (isset($_SERVER['QUERY_STRING'])) {
$qs = explode('&', $_SERVER['QUERY_STRING']);
foreach ($qs as $v) {
if (substr($v, 0, 6) == 'debug=') {
$this->debug("In nusoap_server, set debug_flag=" . substr($v, 6) . " based on query string #1");
$this->debug_flag = substr($v, 6);
}
}
} elseif (isset($HTTP_SERVER_VARS['QUERY_STRING'])) {
$qs = explode('&', $HTTP_SERVER_VARS['QUERY_STRING']);
foreach ($qs as $v) {
if (substr($v, 0, 6) == 'debug=') {
$this->debug("In nusoap_server, set debug_flag=" . substr($v, 6) . " based on query string #2");
$this->debug_flag = substr($v, 6);
}
}
}
// wsdl
if($wsdl){
$this->debug("In nusoap_server, WSDL is specified");
if (is_object($wsdl) && (get_class($wsdl) == 'wsdl')) {
$this->wsdl = $wsdl;
$this->externalWSDLURL = $this->wsdl->wsdl;
$this->debug('Use existing wsdl instance from ' . $this->externalWSDLURL);
} else {
$this->debug('Create wsdl from ' . $wsdl);
$this->wsdl = new wsdl($wsdl);
$this->externalWSDLURL = $wsdl;
}
$this->appendDebug($this->wsdl->getDebug());
$this->wsdl->clearDebug();
if($err = $this->wsdl->getError()){
die('WSDL ERROR: '.$err);
}
}
}
/**
* processes request and returns response
*
* @param string $data usually is the value of $HTTP_RAW_POST_DATA
* @access public
*/
function service($data){
global $HTTP_SERVER_VARS;
if (isset($_SERVER['REQUEST_METHOD'])) {
$rm = $_SERVER['REQUEST_METHOD'];
} elseif (isset($HTTP_SERVER_VARS['REQUEST_METHOD'])) {
$rm = $HTTP_SERVER_VARS['REQUEST_METHOD'];
} else {
$rm = '';
}
if (isset($_SERVER['QUERY_STRING'])) {
$qs = $_SERVER['QUERY_STRING'];
} elseif (isset($HTTP_SERVER_VARS['QUERY_STRING'])) {
$qs = $HTTP_SERVER_VARS['QUERY_STRING'];
} else {
$qs = '';
}
$this->debug("In service, request method=$rm query string=$qs strlen(\$data)=" . strlen($data));
if ($rm == 'POST') {
$this->debug("In service, invoke the request");
$this->parse_request($data);
if (! $this->fault) {
$this->invoke_method();
}
if (! $this->fault) {
$this->serialize_return();
}
$this->send_response();
} elseif (preg_match('/wsdl/', $qs) ){
$this->debug("In service, this is a request for WSDL");
if ($this->externalWSDLURL){
if (strpos($this->externalWSDLURL, "http://") !== false) { // assume URL
$this->debug("In service, re-direct for WSDL");
header('Location: '.$this->externalWSDLURL);
} else { // assume file
$this->debug("In service, use file passthru for WSDL");
header("Content-Type: text/xml\r\n");
$pos = strpos($this->externalWSDLURL, "file://");
if ($pos === false) {
$filename = $this->externalWSDLURL;
} else {
$filename = substr($this->externalWSDLURL, $pos + 7);
}
$fp = fopen($this->externalWSDLURL, 'r');
fpassthru($fp);
}
} elseif ($this->wsdl) {
$this->debug("In service, serialize WSDL");
header("Content-Type: text/xml; charset=ISO-8859-1\r\n");
print $this->wsdl->serialize($this->debug_flag);
if ($this->debug_flag) {
$this->debug('wsdl:');
$this->appendDebug($this->varDump($this->wsdl));
print $this->getDebugAsXMLComment();
}
} else {
$this->debug("In service, there is no WSDL");
header("Content-Type: text/html; charset=ISO-8859-1\r\n");
print "This service does not provide WSDL";
}
} elseif ($this->wsdl) {
$this->debug("In service, return Web description");
print $this->wsdl->webDescription();
} else {
$this->debug("In service, no Web description");
header("Content-Type: text/html; charset=ISO-8859-1\r\n");
print "This service does not provide a Web description";
}
}
/**
* parses HTTP request headers.
*
* The following fields are set by this function (when successful)
*
* headers
* request
* xml_encoding
* SOAPAction
*
* @access private
*/
function parse_http_headers() {
global $HTTP_SERVER_VARS;
$this->request = '';
$this->SOAPAction = '';
if(function_exists('getallheaders')){
$this->debug("In parse_http_headers, use getallheaders");
$headers = getallheaders();
foreach($headers as $k=>$v){
$k = strtolower($k);
$this->headers[$k] = $v;
$this->request .= "$k: $v\r\n";
$this->debug("$k: $v");
}
// get SOAPAction header
if(isset($this->headers['soapaction'])){
$this->SOAPAction = str_replace('"','',$this->headers['soapaction']);
}
// get the character encoding of the incoming request
if(isset($this->headers['content-type']) && strpos($this->headers['content-type'],'=')){
$enc = str_replace('"','',substr(strstr($this->headers["content-type"],'='),1));
if(preg_match('/^(ISO-8859-1|US-ASCII|UTF-8)$/i',$enc)){
$this->xml_encoding = strtoupper($enc);
} else {
$this->xml_encoding = 'US-ASCII';
}
} else {
// should be US-ASCII for HTTP 1.0 or ISO-8859-1 for HTTP 1.1
$this->xml_encoding = 'ISO-8859-1';
}
} elseif(isset($_SERVER) && is_array($_SERVER)){
$this->debug("In parse_http_headers, use _SERVER");
foreach ($_SERVER as $k => $v) {
if (substr($k, 0, 5) == 'HTTP_') {
$k = str_replace(' ', '-', strtolower(str_replace('_', ' ', substr($k, 5))));
} else {
$k = str_replace(' ', '-', strtolower(str_replace('_', ' ', $k)));
}
if ($k == 'soapaction') {
// get SOAPAction header
$k = 'SOAPAction';
$v = str_replace('"', '', $v);
$v = str_replace('\\', '', $v);
$this->SOAPAction = $v;
} else if ($k == 'content-type') {
// get the character encoding of the incoming request
if (strpos($v, '=')) {
$enc = substr(strstr($v, '='), 1);
$enc = str_replace('"', '', $enc);
$enc = str_replace('\\', '', $enc);
if (preg_match('/^(ISO-8859-1|US-ASCII|UTF-8)$/i',$enc)) {
$this->xml_encoding = strtoupper($enc);
} else {
$this->xml_encoding = 'US-ASCII';
}
} else {
// should be US-ASCII for HTTP 1.0 or ISO-8859-1 for HTTP 1.1
$this->xml_encoding = 'ISO-8859-1';
}
}
$this->headers[$k] = $v;
$this->request .= "$k: $v\r\n";
$this->debug("$k: $v");
}
} elseif (is_array($HTTP_SERVER_VARS)) {
$this->debug("In parse_http_headers, use HTTP_SERVER_VARS");
foreach ($HTTP_SERVER_VARS as $k => $v) {
if (substr($k, 0, 5) == 'HTTP_') {
$k = str_replace(' ', '-', strtolower(str_replace('_', ' ', substr($k, 5)))); $k = strtolower(substr($k, 5));
} else {
$k = str_replace(' ', '-', strtolower(str_replace('_', ' ', $k))); $k = strtolower($k);
}
if ($k == 'soapaction') {
// get SOAPAction header
$k = 'SOAPAction';
$v = str_replace('"', '', $v);
$v = str_replace('\\', '', $v);
$this->SOAPAction = $v;
} else if ($k == 'content-type') {
// get the character encoding of the incoming request
if (strpos($v, '=')) {
$enc = substr(strstr($v, '='), 1);
$enc = str_replace('"', '', $enc);
$enc = str_replace('\\', '', $enc);
if (preg_match('/^(ISO-8859-1|US-ASCII|UTF-8)$/i',$enc)) {
$this->xml_encoding = strtoupper($enc);
} else {
$this->xml_encoding = 'US-ASCII';
}
} else {
// should be US-ASCII for HTTP 1.0 or ISO-8859-1 for HTTP 1.1
$this->xml_encoding = 'ISO-8859-1';
}
}
$this->headers[$k] = $v;
$this->request .= "$k: $v\r\n";
$this->debug("$k: $v");
}
} else {
$this->debug("In parse_http_headers, HTTP headers not accessible");
$this->setError("HTTP headers not accessible");
}
}
/**
* parses a request
*
* The following fields are set by this function (when successful)
*
* headers
* request
* xml_encoding
* SOAPAction
* request
* requestSOAP
* methodURI
* methodname
* methodparams
* requestHeaders
* document
*
* This sets the fault field on error
*
* @param string $data XML string
* @access private
*/
function parse_request($data='') {
$this->debug('entering parse_request()');
$this->parse_http_headers();
$this->debug('got character encoding: '.$this->xml_encoding);
// uncompress if necessary
if (isset($this->headers['content-encoding']) && $this->headers['content-encoding'] != '') {
$this->debug('got content encoding: ' . $this->headers['content-encoding']);
if ($this->headers['content-encoding'] == 'deflate' || $this->headers['content-encoding'] == 'gzip') {
// if decoding works, use it. else assume data wasn't gzencoded
if (function_exists('gzuncompress')) {
if ($this->headers['content-encoding'] == 'deflate' && $degzdata = @gzuncompress($data)) {
$data = $degzdata;
} elseif ($this->headers['content-encoding'] == 'gzip' && $degzdata = gzinflate(substr($data, 10))) {
$data = $degzdata;
} else {
$this->fault('SOAP-ENV:Client', 'Errors occurred when trying to decode the data');
return;
}
} else {
$this->fault('SOAP-ENV:Client', 'This Server does not support compressed data');
return;
}
}
}
$this->request .= "\r\n".$data;
$data = $this->parseRequest($this->headers, $data);
$this->requestSOAP = $data;
$this->debug('leaving parse_request');
}
/**
* invokes a PHP function for the requested SOAP method
*
* The following fields are set by this function (when successful)
*
* methodreturn
*
* Note that the PHP function that is called may also set the following
* fields to affect the response sent to the client
*
* responseHeaders
* outgoing_headers
*
* This sets the fault field on error
*
* @access private
*/
function invoke_method() {
$this->debug('in invoke_method, methodname=' . $this->methodname . ' methodURI=' . $this->methodURI . ' SOAPAction=' . $this->SOAPAction);
//
// if you are debugging in this area of the code, your service uses a class to implement methods,
// you use SOAP RPC, and the client is .NET, please be aware of the following...
// when the .NET wsdl.exe utility generates a proxy, it will remove the '.' or '..' from the
// method name. that is fine for naming the .NET methods. it is not fine for properly constructing
// the XML request and reading the XML response. you need to add the RequestElementName and
// ResponseElementName to the System.Web.Services.Protocols.SoapRpcMethodAttribute that wsdl.exe
// generates for the method. these parameters are used to specify the correct XML element names
// for .NET to use, i.e. the names with the '.' in them.
//
$orig_methodname = $this->methodname;
if ($this->wsdl) {
if ($this->opData = $this->wsdl->getOperationData($this->methodname)) {
$this->debug('in invoke_method, found WSDL operation=' . $this->methodname);
$this->appendDebug('opData=' . $this->varDump($this->opData));
} elseif ($this->opData = $this->wsdl->getOperationDataForSoapAction($this->SOAPAction)) {
// Note: hopefully this case will only be used for doc/lit, since rpc services should have wrapper element
$this->debug('in invoke_method, found WSDL soapAction=' . $this->SOAPAction . ' for operation=' . $this->opData['name']);
$this->appendDebug('opData=' . $this->varDump($this->opData));
$this->methodname = $this->opData['name'];
} else {
$this->debug('in invoke_method, no WSDL for operation=' . $this->methodname);
$this->fault('SOAP-ENV:Client', "Operation '" . $this->methodname . "' is not defined in the WSDL for this service");
return;
}
} else {
$this->debug('in invoke_method, no WSDL to validate method');
}
// if a . is present in $this->methodname, we see if there is a class in scope,
// which could be referred to. We will also distinguish between two deliminators,
// to allow methods to be called a the class or an instance
if (strpos($this->methodname, '..') > 0) {
$delim = '..';
} else if (strpos($this->methodname, '.') > 0) {
$delim = '.';
} else {
$delim = '';
}
$this->debug("in invoke_method, delim=$delim");
$class = '';
$method = '';
if (strlen($delim) > 0 && substr_count($this->methodname, $delim) == 1) {
$try_class = substr($this->methodname, 0, strpos($this->methodname, $delim));
if (class_exists($try_class)) {
// get the class and method name
$class = $try_class;
$method = substr($this->methodname, strpos($this->methodname, $delim) + strlen($delim));
$this->debug("in invoke_method, class=$class method=$method delim=$delim");
} else {
$this->debug("in invoke_method, class=$try_class not found");
}
} else {
$try_class = '';
$this->debug("in invoke_method, no class to try");
}
// does method exist?
if ($class == '') {
if (!function_exists($this->methodname)) {
$this->debug("in invoke_method, function '$this->methodname' not found!");
$this->result = 'fault: method not found';
$this->fault('SOAP-ENV:Client',"method '$this->methodname'('$orig_methodname') not defined in service('$try_class' '$delim')");
return;
}
} else {
$method_to_compare = (substr(phpversion(), 0, 2) == '4.') ? strtolower($method) : $method;
if (!in_array($method_to_compare, get_class_methods($class))) {
$this->debug("in invoke_method, method '$this->methodname' not found in class '$class'!");
$this->result = 'fault: method not found';
$this->fault('SOAP-ENV:Client',"method '$this->methodname'/'$method_to_compare'('$orig_methodname') not defined in service/'$class'('$try_class' '$delim')");
return;
}
}
// evaluate message, getting back parameters
// verify that request parameters match the method's signature
if(! $this->verify_method($this->methodname,$this->methodparams)){
// debug
$this->debug('ERROR: request not verified against method signature');
$this->result = 'fault: request failed validation against method signature';
// return fault
$this->fault('SOAP-ENV:Client',"Operation '$this->methodname' not defined in service.");
return;
}
// if there are parameters to pass
$this->debug('in invoke_method, params:');
$this->appendDebug($this->varDump($this->methodparams));
$this->debug("in invoke_method, calling '$this->methodname'");
if (!function_exists('call_user_func_array')) {
if ($class == '') {
$this->debug('in invoke_method, calling function using eval()');
$funcCall = "\$this->methodreturn = $this->methodname(";
} else {
if ($delim == '..') {
$this->debug('in invoke_method, calling class method using eval()');
$funcCall = "\$this->methodreturn = ".$class."::".$method."(";
} else {
$this->debug('in invoke_method, calling instance method using eval()');
// generate unique instance name
$instname = "\$inst_".time();
$funcCall = $instname." = new ".$class."(); ";
$funcCall .= "\$this->methodreturn = ".$instname."->".$method."(";
}
}
if ($this->methodparams) {
foreach ($this->methodparams as $param) {
if (is_array($param) || is_object($param)) {
$this->fault('SOAP-ENV:Client', 'NuSOAP does not handle complexType parameters correctly when using eval; call_user_func_array must be available');
return;
}
$funcCall .= "\"$param\",";
}
$funcCall = substr($funcCall, 0, -1);
}
$funcCall .= ');';
$this->debug('in invoke_method, function call: '.$funcCall);
@eval($funcCall);
} else {
if ($class == '') {
$this->debug('in invoke_method, calling function using call_user_func_array()');
$call_arg = "$this->methodname"; // straight assignment changes $this->methodname to lower case after call_user_func_array()
} elseif ($delim == '..') {
$this->debug('in invoke_method, calling class method using call_user_func_array()');
$call_arg = array ($class, $method);
} else {
$this->debug('in invoke_method, calling instance method using call_user_func_array()');
$instance = new $class ();
$call_arg = array(&$instance, $method);
}
if (is_array($this->methodparams)) {
$this->methodreturn = call_user_func_array($call_arg, array_values($this->methodparams));
} else {
$this->methodreturn = call_user_func_array($call_arg, array());
}
}
$this->debug('in invoke_method, methodreturn:');
$this->appendDebug($this->varDump($this->methodreturn));
$this->debug("in invoke_method, called method $this->methodname, received data of type ".gettype($this->methodreturn));
}
/**
* serializes the return value from a PHP function into a full SOAP Envelope
*
* The following fields are set by this function (when successful)
*
* responseSOAP
*
* This sets the fault field on error
*
* @access private
*/
function serialize_return() {
$this->debug('Entering serialize_return methodname: ' . $this->methodname . ' methodURI: ' . $this->methodURI);
// if fault
if (isset($this->methodreturn) && is_object($this->methodreturn) && ((get_class($this->methodreturn) == 'soap_fault') || (get_class($this->methodreturn) == 'nusoap_fault'))) {
$this->debug('got a fault object from method');
$this->fault = $this->methodreturn;
return;
} elseif ($this->methodreturnisliteralxml) {
$return_val = $this->methodreturn;
// returned value(s)
} else {
$this->debug('got a(n) '.gettype($this->methodreturn).' from method');
$this->debug('serializing return value');
if($this->wsdl){
if (sizeof($this->opData['output']['parts']) > 1) {
$this->debug('more than one output part, so use the method return unchanged');
$opParams = $this->methodreturn;
} elseif (sizeof($this->opData['output']['parts']) == 1) {
$this->debug('exactly one output part, so wrap the method return in a simple array');
// TODO: verify that it is not already wrapped!
//foreach ($this->opData['output']['parts'] as $name => $type) {
// $this->debug('wrap in element named ' . $name);
//}
$opParams = array($this->methodreturn);
}
$return_val = $this->wsdl->serializeRPCParameters($this->methodname,'output',$opParams);
$this->appendDebug($this->wsdl->getDebug());
$this->wsdl->clearDebug();
if($errstr = $this->wsdl->getError()){
$this->debug('got wsdl error: '.$errstr);
$this->fault('SOAP-ENV:Server', 'unable to serialize result');
return;
}
} else {
if (isset($this->methodreturn)) {
$return_val = $this->serialize_val($this->methodreturn, 'return');
} else {
$return_val = '';
$this->debug('in absence of WSDL, assume void return for backward compatibility');
}
}
}
$this->debug('return value:');
$this->appendDebug($this->varDump($return_val));
$this->debug('serializing response');
if ($this->wsdl) {
$this->debug('have WSDL for serialization: style is ' . $this->opData['style']);
if ($this->opData['style'] == 'rpc') {
$this->debug('style is rpc for serialization: use is ' . $this->opData['output']['use']);
if ($this->opData['output']['use'] == 'literal') {
// http://www.ws-i.org/Profiles/BasicProfile-1.1-2004-08-24.html R2735 says rpc/literal accessor elements should not be in a namespace
if ($this->methodURI) {
$payload = '<ns1:'.$this->methodname.'Response xmlns:ns1="'.$this->methodURI.'">'.$return_val.'</ns1:'.$this->methodname."Response>";
} else {
$payload = '<'.$this->methodname.'Response>'.$return_val.'</'.$this->methodname.'Response>';
}
} else {
if ($this->methodURI) {
$payload = '<ns1:'.$this->methodname.'Response xmlns:ns1="'.$this->methodURI.'">'.$return_val.'</ns1:'.$this->methodname."Response>";
} else {
$payload = '<'.$this->methodname.'Response>'.$return_val.'</'.$this->methodname.'Response>';
}
}
} else {
$this->debug('style is not rpc for serialization: assume document');
$payload = $return_val;
}
} else {
$this->debug('do not have WSDL for serialization: assume rpc/encoded');
$payload = '<ns1:'.$this->methodname.'Response xmlns:ns1="'.$this->methodURI.'">'.$return_val.'</ns1:'.$this->methodname."Response>";
}
$this->result = 'successful';
if($this->wsdl){
//if($this->debug_flag){
$this->appendDebug($this->wsdl->getDebug());
// }
if (isset($this->opData['output']['encodingStyle'])) {
$encodingStyle = $this->opData['output']['encodingStyle'];
} else {
$encodingStyle = '';
}
// Added: In case we use a WSDL, return a serialized env. WITH the usedNamespaces.
$this->responseSOAP = $this->serializeEnvelope($payload,$this->responseHeaders,$this->wsdl->usedNamespaces,$this->opData['style'],$this->opData['output']['use'],$encodingStyle);
} else {
$this->responseSOAP = $this->serializeEnvelope($payload,$this->responseHeaders);
}
$this->debug("Leaving serialize_return");
}
/**
* sends an HTTP response
*
* The following fields are set by this function (when successful)
*
* outgoing_headers
* response
*
* @access private
*/
function send_response() {
$this->debug('Enter send_response');
if ($this->fault) {
$payload = $this->fault->serialize();
$this->outgoing_headers[] = "HTTP/1.0 500 Internal Server Error";
$this->outgoing_headers[] = "Status: 500 Internal Server Error";
} else {
$payload = $this->responseSOAP;
// Some combinations of PHP+Web server allow the Status
// to come through as a header. Since OK is the default
// just do nothing.
// $this->outgoing_headers[] = "HTTP/1.0 200 OK";
// $this->outgoing_headers[] = "Status: 200 OK";
}
// add debug data if in debug mode
if(isset($this->debug_flag) && $this->debug_flag){
$payload .= $this->getDebugAsXMLComment();
}
$this->outgoing_headers[] = "Server: $this->title Server v$this->version";
preg_match('/\$Revisio' . 'n: ([^ ]+)/', $this->revision, $rev);
$this->outgoing_headers[] = "X-SOAP-Server: $this->title/$this->version (".$rev[1].")";
// Let the Web server decide about this
//$this->outgoing_headers[] = "Connection: Close\r\n";
$payload = $this->getHTTPBody($payload);
$type = $this->getHTTPContentType();
$charset = $this->getHTTPContentTypeCharset();
$this->outgoing_headers[] = "Content-Type: $type" . ($charset ? '; charset=' . $charset : '');
//begin code to compress payload - by John
// NOTE: there is no way to know whether the Web server will also compress
// this data.
if (strlen($payload) > 1024 && isset($this->headers) && isset($this->headers['accept-encoding'])) {
if (strstr($this->headers['accept-encoding'], 'gzip')) {
if (function_exists('gzencode')) {
if (isset($this->debug_flag) && $this->debug_flag) {
$payload .= "<!-- Content being gzipped -->";
}
$this->outgoing_headers[] = "Content-Encoding: gzip";
$payload = gzencode($payload);
} else {
if (isset($this->debug_flag) && $this->debug_flag) {
$payload .= "<!-- Content will not be gzipped: no gzencode -->";
}
}
} elseif (strstr($this->headers['accept-encoding'], 'deflate')) {
// Note: MSIE requires gzdeflate output (no Zlib header and checksum),
// instead of gzcompress output,
// which conflicts with HTTP 1.1 spec (http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.5)
if (function_exists('gzdeflate')) {
if (isset($this->debug_flag) && $this->debug_flag) {
$payload .= "<!-- Content being deflated -->";
}
$this->outgoing_headers[] = "Content-Encoding: deflate";
$payload = gzdeflate($payload);
} else {
if (isset($this->debug_flag) && $this->debug_flag) {
$payload .= "<!-- Content will not be deflated: no gzcompress -->";
}
}
}
}
//end code
$this->outgoing_headers[] = "Content-Length: ".strlen($payload);
reset($this->outgoing_headers);
foreach($this->outgoing_headers as $hdr){
header($hdr, false);
}
print $payload;
$this->response = join("\r\n",$this->outgoing_headers)."\r\n\r\n".$payload;
}
/**
* takes the value that was created by parsing the request
* and compares to the method's signature, if available.
*
* @param string $operation The operation to be invoked
* @param array $request The array of parameter values
* @return boolean Whether the operation was found
* @access private
*/
function verify_method($operation,$request){
if(isset($this->wsdl) && is_object($this->wsdl)){
if($this->wsdl->getOperationData($operation)){
return true;
}
} elseif(isset($this->operations[$operation])){
return true;
}
return false;
}
/**
* processes SOAP message received from client
*
* @param array $headers The HTTP headers
* @param string $data unprocessed request data from client
* @return mixed value of the message, decoded into a PHP type
* @access private
*/
function parseRequest($headers, $data) {
$this->debug('Entering parseRequest() for data of length ' . strlen($data) . ' headers:');
$this->appendDebug($this->varDump($headers));
if (!isset($headers['content-type'])) {
$this->setError('Request not of type text/xml (no content-type header)');
return false;
}
if (!strstr($headers['content-type'], 'text/xml')) {
$this->setError('Request not of type text/xml');
return false;
}
if (strpos($headers['content-type'], '=')) {
$enc = str_replace('"', '', substr(strstr($headers["content-type"], '='), 1));
$this->debug('Got response encoding: ' . $enc);
if(preg_match('/^(ISO-8859-1|US-ASCII|UTF-8)$/i',$enc)){
$this->xml_encoding = strtoupper($enc);
} else {
$this->xml_encoding = 'US-ASCII';
}
} else {
// should be US-ASCII for HTTP 1.0 or ISO-8859-1 for HTTP 1.1
$this->xml_encoding = 'ISO-8859-1';
}
$this->debug('Use encoding: ' . $this->xml_encoding . ' when creating nusoap_parser');
// parse response, get soap parser obj
$parser = new nusoap_parser($data,$this->xml_encoding,'',$this->decode_utf8);
// parser debug
$this->debug("parser debug: \n".$parser->getDebug());
// if fault occurred during message parsing
if($err = $parser->getError()){
$this->result = 'fault: error in msg parsing: '.$err;
$this->fault('SOAP-ENV:Client',"error in msg parsing:\n".$err);
// else successfully parsed request into soapval object
} else {
// get/set methodname
$this->methodURI = $parser->root_struct_namespace;
$this->methodname = $parser->root_struct_name;
$this->debug('methodname: '.$this->methodname.' methodURI: '.$this->methodURI);
$this->debug('calling parser->get_soapbody()');
$this->methodparams = $parser->get_soapbody();
// get SOAP headers
$this->requestHeaders = $parser->getHeaders();
// get SOAP Header
$this->requestHeader = $parser->get_soapheader();
// add document for doclit support
$this->document = $parser->document;
}
}
/**
* gets the HTTP body for the current response.
*
* @param string $soapmsg The SOAP payload
* @return string The HTTP body, which includes the SOAP payload
* @access private
*/
function getHTTPBody($soapmsg) {
return $soapmsg;
}
/**
* gets the HTTP content type for the current response.
*
* Note: getHTTPBody must be called before this.
*
* @return string the HTTP content type for the current response.
* @access private
*/
function getHTTPContentType() {
return 'text/xml';
}
/**
* gets the HTTP content type charset for the current response.
* returns false for non-text content types.
*
* Note: getHTTPBody must be called before this.
*
* @return string the HTTP content type charset for the current response.
* @access private
*/
function getHTTPContentTypeCharset() {
return $this->soap_defencoding;
}
/**
* add a method to the dispatch map (this has been replaced by the register method)
*
* @param string $methodname
* @param string $in array of input values
* @param string $out array of output values
* @access public
* @deprecated
*/
function add_to_map($methodname,$in,$out){
$this->operations[$methodname] = array('name' => $methodname,'in' => $in,'out' => $out);
}
/**
* register a service function with the server
*
* @param string $name the name of the PHP function, class.method or class..method
* @param array $in assoc array of input values: key = param name, value = param type
* @param array $out assoc array of output values: key = param name, value = param type
* @param mixed $namespace the element namespace for the method or false
* @param mixed $soapaction the soapaction for the method or false
* @param mixed $style optional (rpc|document) or false Note: when 'document' is specified, parameter and return wrappers are created for you automatically
* @param mixed $use optional (encoded|literal) or false
* @param string $documentation optional Description to include in WSDL
* @param string $encodingStyle optional (usually 'http://schemas.xmlsoap.org/soap/encoding/' for encoded)
* @access public
*/
function register($name,$in=array(),$out=array(),$namespace=false,$soapaction=false,$style=false,$use=false,$documentation='',$encodingStyle=''){
global $HTTP_SERVER_VARS;
if($this->externalWSDLURL){
die('You cannot bind to an external WSDL file, and register methods outside of it! Please choose either WSDL or no WSDL.');
}
if (! $name) {
die('You must specify a name when you register an operation');
}
if (!is_array($in)) {
die('You must provide an array for operation inputs');
}
if (!is_array($out)) {
die('You must provide an array for operation outputs');
}
if(false == $namespace) {
}
if(false == $soapaction) {
if (isset($_SERVER)) {
$SERVER_NAME = $_SERVER['SERVER_NAME'];
$SCRIPT_NAME = isset($_SERVER['PHP_SELF']) ? $_SERVER['PHP_SELF'] : $_SERVER['SCRIPT_NAME'];
$HTTPS = isset($_SERVER['HTTPS']) ? $_SERVER['HTTPS'] : (isset($HTTP_SERVER_VARS['HTTPS']) ? $HTTP_SERVER_VARS['HTTPS'] : 'off');
} elseif (isset($HTTP_SERVER_VARS)) {
$SERVER_NAME = $HTTP_SERVER_VARS['SERVER_NAME'];
$SCRIPT_NAME = isset($HTTP_SERVER_VARS['PHP_SELF']) ? $HTTP_SERVER_VARS['PHP_SELF'] : $HTTP_SERVER_VARS['SCRIPT_NAME'];
$HTTPS = isset($HTTP_SERVER_VARS['HTTPS']) ? $HTTP_SERVER_VARS['HTTPS'] : 'off';
} else {
$this->setError("Neither _SERVER nor HTTP_SERVER_VARS is available");
}
if ($HTTPS == '1' || $HTTPS == 'on') {
$SCHEME = 'https';
} else {
$SCHEME = 'http';
}
$soapaction = "$SCHEME://$SERVER_NAME$SCRIPT_NAME/$name";
}
if(false == $style) {
$style = "rpc";
}
if(false == $use) {
$use = "encoded";