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<?php
/**
*
* soapclient higher level class for easy usage.
*
* usage:
*
* // instantiate client with server info
* $soapclient = new soapclient( string path [ ,boolean wsdl] );
*
* // call method, get results
* echo $soapclient->call( string methodname [ ,array parameters] );
*
* // bye bye client
* unset($soapclient);
*
* @author Dietrich Ayala <dietrich@ganx4.com>
* @version $Id: class.soapclient.php,v 1.1 2004/08/17 13:27:46 gjayakrishnan Exp $
* @access public
*/
class soapclient extends nusoap_base {
var $username = '';
var $password = '';
var $authtype = '';
var $requestHeaders = false; // SOAP headers in request (text)
var $responseHeaders = ''; // SOAP headers from response (incomplete namespace resolution) (text)
var $document = ''; // SOAP body response portion (incomplete namespace resolution) (text)
var $endpoint;
var $error_str = false;
var $proxyhost = '';
var $proxyport = '';
var $proxyusername = '';
var $proxypassword = '';
var $xml_encoding = ''; // character set encoding of incoming (response) messages
var $http_encoding = false;
var $timeout = 0; // HTTP connection timeout
var $response_timeout = 30; // HTTP response timeout
var $endpointType = '';
var $persistentConnection = false;
var $defaultRpcParams = false; // This is no longer used
var $request = ''; // HTTP request
var $response = ''; // HTTP response
var $responseData = ''; // SOAP payload of response
// toggles whether the parser decodes element content w/ utf8_decode()
var $decode_utf8 = true;
/**
* fault related variables
*
* @var fault
* @var faultcode
* @var faultstring
* @var faultdetail
* @access public
*/
var $fault, $faultcode, $faultstring, $faultdetail;
/**
* constructor
*
* @param mixed $endpoint SOAP server or WSDL URL (string), or wsdl instance (object)
* @param bool $wsdl optional, set to true if using WSDL
* @param int $portName optional portName in WSDL document
* @param string $proxyhost
* @param string $proxyport
* @param string $proxyusername
* @param string $proxypassword
* @param integer $timeout set the connection timeout
* @param integer $response_timeout set the response timeout
* @access public
*/
function soapclient($endpoint,$wsdl = false,$proxyhost = false,$proxyport = false,$proxyusername = false, $proxypassword = false, $timeout = 0, $response_timeout = 30){
$this->endpoint = $endpoint;
$this->proxyhost = $proxyhost;
$this->proxyport = $proxyport;
$this->proxyusername = $proxyusername;
$this->proxypassword = $proxypassword;
$this->timeout = $timeout;
$this->response_timeout = $response_timeout;
// make values
if($wsdl){
$this->endpointType = 'wsdl';
if (is_object($endpoint) && is_a($endpoint, 'wsdl')) {
$this->wsdl = $endpoint;
$this->endpoint = $this->wsdl->wsdl;
$this->wsdlFile = $this->endpoint;
$this->debug('existing wsdl instance created from ' . $this->endpoint);
} else {
$this->wsdlFile = $this->endpoint;
// instantiate wsdl object and parse wsdl file
$this->debug('instantiating wsdl class with doc: '.$endpoint);
$this->wsdl =& new wsdl($this->wsdlFile,$this->proxyhost,$this->proxyport,$this->proxyusername,$this->proxypassword,$this->timeout,$this->response_timeout);
}
$this->debug("wsdl debug...\n".$this->wsdl->debug_str);
$this->wsdl->debug_str = '';
// catch errors
if($errstr = $this->wsdl->getError()){
$this->debug('got wsdl error: '.$errstr);
$this->setError('wsdl error: '.$errstr);
} elseif($this->operations = $this->wsdl->getOperations()){
$this->debug( 'got '.count($this->operations).' operations from wsdl '.$this->wsdlFile);
} else {
$this->debug( 'getOperations returned false');
$this->setError('no operations defined in the WSDL document!');
}
}
}
/**
* calls method, returns PHP native type
*
* @param string $method SOAP server URL or path
* @param array $params An array, associative or simple, of the parameters
* for the method call, or a string that is the XML
* for the call. For rpc style, this call will
* wrap the XML in a tag named after the method, as
* well as the SOAP Envelope and Body. For document
* style, this will only wrap with the Envelope and Body.
* IMPORTANT: when using an array with document style,
* in which case there
* is really one parameter, the root of the fragment
* used in the call, which encloses what programmers
* normally think of parameters. A parameter array
* *must* include the wrapper.
* @param string $namespace optional method namespace (WSDL can override)
* @param string $soapAction optional SOAPAction value (WSDL can override)
* @param boolean $headers optional array of soapval objects for headers
* @param boolean $rpcParams optional no longer used
* @param string $style optional (rpc|document) the style to use when serializing parameters (WSDL can override)
* @param string $use optional (encoded|literal) the use when serializing parameters (WSDL can override)
* @return mixed
* @access public
*/
function call($operation,$params=array(),$namespace='',$soapAction='',$headers=false,$rpcParams=null,$style='rpc',$use='encoded'){
$this->operation = $operation;
$this->fault = false;
$this->error_str = '';
$this->request = '';
$this->response = '';
$this->responseData = '';
$this->faultstring = '';
$this->faultcode = '';
$this->opData = array();
$this->debug("call: $operation, $params, $namespace, $soapAction, $headers, $style, $use; endpointType: $this->endpointType");
if ($headers) {
$this->requestHeaders = $headers;
}
// serialize parameters
if($this->endpointType == 'wsdl' && $opData = $this->getOperationData($operation)){
// use WSDL for operation
$this->opData = $opData;
foreach($opData as $key => $value){
$this->debug("$key -> $value");
}
if (isset($opData['soapAction'])) {
$soapAction = $opData['soapAction'];
}
$this->endpoint = $opData['endpoint'];
$namespace = isset($opData['input']['namespace']) ? $opData['input']['namespace'] : ($namespace != '' ? $namespace : 'http://testuri.org');
$style = $opData['style'];
$use = $opData['input']['use'];
// add ns to ns array
if($namespace != '' && !isset($this->wsdl->namespaces[$namespace])){
$this->wsdl->namespaces['nu'] = $namespace;
}
$nsPrefix = $this->wsdl->getPrefixFromNamespace($namespace);
// serialize payload
if (is_string($params)) {
$this->debug("serializing param string for WSDL operation $operation");
$payload = $params;
} elseif (is_array($params)) {
$this->debug("serializing param array for WSDL operation $operation");
$payload = $this->wsdl->serializeRPCParameters($operation,'input',$params);
} else {
$this->debug('params must be array or string');
$this->setError('params must be array or string');
return false;
}
$usedNamespaces = $this->wsdl->usedNamespaces;
// Partial fix for multiple encoding styles in the same function call
$encodingStyle = 'http://schemas.xmlsoap.org/soap/encoding/';
if (isset($opData['output']['encodingStyle']) && $encodingStyle != $opData['output']['encodingStyle']) {
$methodEncodingStyle = ' SOAP-ENV:encodingStyle="' . $opData['output']['encodingStyle'] . '"';
} else {
$methodEncodingStyle = '';
}
$this->debug("wsdl debug: \n".$this->wsdl->debug_str);
$this->wsdl->debug_str = '';
if ($errstr = $this->wsdl->getError()) {
$this->debug('got wsdl error: '.$errstr);
$this->setError('wsdl error: '.$errstr);
return false;
}
} elseif($this->endpointType == 'wsdl') {
// operation not in WSDL
$this->setError( 'operation '.$operation.' not present.');
$this->debug("operation '$operation' not present.");
$this->debug("wsdl debug: \n".$this->wsdl->debug_str);
$this->wsdl->debug_str = '';
return false;
} else {
// no WSDL
if($namespace == ''){
$namespace = 'http://testuri.org';
}
//$this->namespaces['ns1'] = $namespace;
$nsPrefix = 'ns1';
// serialize
$payload = '';
if (is_string($params)) {
$this->debug("serializing param string for operation $operation");
$payload = $params;
} elseif (is_array($params)) {
$this->debug("serializing param array for operation $operation");
foreach($params as $k => $v){
$payload .= $this->serialize_val($v,$k,false,false,false,false,$use);
}
} else {
$this->debug('params must be array or string');
$this->setError('params must be array or string');
return false;
}
$usedNamespaces = array();
$methodEncodingStyle = '';
}
// wrap RPC calls with method element
if ($style == 'rpc') {
if ($use == 'literal') {
$this->debug("wrapping RPC request with literal method element");
$payload = "<$operation xmlns=\"$namespace\">" . $payload . "</$operation>";
} else {
$this->debug("wrapping RPC request with encoded method element");
$payload = "<$nsPrefix:$operation$methodEncodingStyle xmlns:$nsPrefix=\"$namespace\">" .
$payload .
"</$nsPrefix:$operation>";
}
}
// serialize envelope
$soapmsg = $this->serializeEnvelope($payload,$this->requestHeaders,$usedNamespaces,$style,$use);
$this->debug("endpoint: $this->endpoint, soapAction: $soapAction, namespace: $namespace, style: $style, use: $use");
$this->debug('SOAP message length: ' . strlen($soapmsg) . ' contents: ' . substr($soapmsg, 0, 1000));
// send
$return = $this->send($this->getHTTPBody($soapmsg),$soapAction,$this->timeout,$this->response_timeout);
if($errstr = $this->getError()){
$this->debug('Error: '.$errstr);
return false;
} else {
$this->return = $return;
$this->debug('sent message successfully and got a(n) '.gettype($return).' back');
// fault?
if(is_array($return) && isset($return['faultcode'])){
$this->debug('got fault');
$this->setError($return['faultcode'].': '.$return['faultstring']);
$this->fault = true;
foreach($return as $k => $v){
$this->$k = $v;
$this->debug("$k = $v<br>");
}
return $return;
} else {
// array of return values
if(is_array($return)){
// multiple 'out' parameters
if(sizeof($return) > 1){
return $return;
}
// single 'out' parameter
return array_shift($return);
// nothing returned (ie, echoVoid)
} else {
return "";
}
}
}
}
/**
* get available data pertaining to an operation
*
* @param string $operation operation name
* @return array array of data pertaining to the operation
* @access public
*/
function getOperationData($operation){
if(isset($this->operations[$operation])){
return $this->operations[$operation];
}
$this->debug("No data for operation: $operation");
}
/**
* send the SOAP message
*
* Note: if the operation has multiple return values
* the return value of this method will be an array
* of those values.
*
* @param string $msg a SOAPx4 soapmsg object
* @param string $soapaction SOAPAction value
* @param integer $timeout set connection timeout in seconds
* @param integer $response_timeout set response timeout in seconds
* @return mixed native PHP types.
* @access private
*/
function send($msg, $soapaction = '', $timeout=0, $response_timeout=30) {
// detect transport
switch(true){
// http(s)
case ereg('^http',$this->endpoint):
$this->debug('transporting via HTTP');
if($this->persistentConnection == true && is_object($this->persistentConnection)){
$http =& $this->persistentConnection;
} else {
$http = new soap_transport_http($this->endpoint);
if ($this->persistentConnection) {
$http->usePersistentConnection();
}
}
$http->setContentType($this->getHTTPContentType(), $this->getHTTPContentTypeCharset());
$http->setSOAPAction($soapaction);
if($this->proxyhost && $this->proxyport){
$http->setProxy($this->proxyhost,$this->proxyport,$this->proxyusername,$this->proxypassword);
}
if($this->username != '' && $this->password != '') {
$http->setCredentials($this->username, $this->password, $this->authtype);
}
if($this->http_encoding != ''){
$http->setEncoding($this->http_encoding);
}
$this->debug('sending message, length: '.strlen($msg));
if(ereg('^http:',$this->endpoint)){
//if(strpos($this->endpoint,'http:')){
$this->responseData = $http->send($msg,$timeout,$response_timeout);
} elseif(ereg('^https',$this->endpoint)){
//} elseif(strpos($this->endpoint,'https:')){
//if(phpversion() == '4.3.0-dev'){
//$response = $http->send($msg,$timeout,$response_timeout);
//$this->request = $http->outgoing_payload;
//$this->response = $http->incoming_payload;
//} else
if (extension_loaded('curl')) {
$this->responseData = $http->sendHTTPS($msg,$timeout,$response_timeout);
} else {
$this->setError('CURL Extension, or OpenSSL extension w/ PHP version >= 4.3 is required for HTTPS');
}
} else {
$this->setError('no http/s in endpoint url');
}
$this->request = $http->outgoing_payload;
$this->response = $http->incoming_payload;
$this->debug("transport debug data...\n".$http->debug_str);
// save transport object if using persistent connections
if ($this->persistentConnection) {
$http->debug_str = '';
if (!is_object($this->persistentConnection)) {
$this->persistentConnection = $http;
}
}
if($err = $http->getError()){
$this->setError('HTTP Error: '.$err);
return false;
} elseif($this->getError()){
return false;
} else {
$this->debug('got response, length: '. strlen($this->responseData).' type: '.$http->incoming_headers['content-type']);
return $this->parseResponse($http->incoming_headers, $this->responseData);
}
break;
default:
$this->setError('no transport found, or selected transport is not yet supported!');
return false;
break;
}
}
/**
* processes SOAP message returned from server
*
* @param array $headers The HTTP headers
* @param string $data unprocessed response data from server
* @return mixed value of the message, decoded into a PHP type
* @access protected
*/
function parseResponse($headers, $data) {
$this->debug('Entering parseResponse() for data of length ' . strlen($data) . ' and type ' . $headers['content-type']);
if (!strstr($headers['content-type'], 'text/xml')) {
$this->setError('Response not of type text/xml');
return false;
}
if (strpos($headers['content-type'], '=')) {
$enc = str_replace('"', '', substr(strstr($headers["content-type"], '='), 1));
$this->debug('Got response encoding: ' . $enc);
if(eregi('^(ISO-8859-1|US-ASCII|UTF-8)$',$enc)){
$this->xml_encoding = strtoupper($enc);
} else {
$this->xml_encoding = 'US-ASCII';
}
} else {
// should be US-ASCII, but for XML, let's be pragmatic and admit UTF-8 is most common
$this->xml_encoding = 'UTF-8';
}
$this->debug('Use encoding: ' . $this->xml_encoding . ' when creating soap_parser');
$parser = new soap_parser($data,$this->xml_encoding,$this->operation,$this->decode_utf8);
// add parser debug data to our debug
$this->debug($parser->debug_str);
// if parse errors
if($errstr = $parser->getError()){
$this->setError( $errstr);
// destroy the parser object
unset($parser);
return false;
} else {
// get SOAP headers
$this->responseHeaders = $parser->getHeaders();
// get decoded message
$return = $parser->get_response();
// add document for doclit support
$this->document = $parser->document;
// destroy the parser object
unset($parser);
// return decode message
return $return;
}
}
/**
* set the SOAP headers
*
* @param $headers string XML
* @access public
*/
function setHeaders($headers){
$this->requestHeaders = $headers;
}
/**
* get the response headers
*
* @return mixed object SOAPx4 soapval object or empty if no headers
* @access public
*/
function getHeaders(){
if($this->responseHeaders != '') {
return $this->responseHeaders;
}
}
/**
* set proxy info here
*
* @param string $proxyhost
* @param string $proxyport
* @param string $proxyusername
* @param string $proxypassword
* @access public
*/
function setHTTPProxy($proxyhost, $proxyport, $proxyusername = '', $proxypassword = '') {
$this->proxyhost = $proxyhost;
$this->proxyport = $proxyport;
$this->proxyusername = $proxyusername;
$this->proxypassword = $proxypassword;
}
/**
* if authenticating, set user credentials here
*
* @param string $username
* @param string $password
* @param string $authtype (basic|digest)
* @access public
*/
function setCredentials($username, $password, $authtype = 'basic') {
$this->username = $username;
$this->password = $password;
$this->authtype = $authtype;
}
/**
* use HTTP encoding
*
* @param string $enc
* @access public
*/
function setHTTPEncoding($enc='gzip, deflate'){
$this->http_encoding = $enc;
}
/**
* use HTTP persistent connections if possible
*
* @access public
*/
function useHTTPPersistentConnection(){
$this->persistentConnection = true;
}
/**
* gets the default RPC parameter setting.
* If true, default is that call params are like RPC even for document style.
* Each call() can override this value.
*
* This is no longer used.
*
* @access public
* @deprecated
*/
function getDefaultRpcParams() {
return $this->defaultRpcParams;
}
/**
* sets the default RPC parameter setting.
* If true, default is that call params are like RPC even for document style
* Each call() can override this value.
*
* @param boolean $rpcParams
* @access public
*/
function setDefaultRpcParams($rpcParams) {
$this->defaultRpcParams = $rpcParams;
}
/**
* dynamically creates proxy class, allowing user to directly call methods from wsdl
*
* @return object soap_proxy object
* @access public
*/
function getProxy(){
$evalStr = '';
foreach($this->operations as $operation => $opData){
if($operation != ''){
// create param string
$paramStr = '';
if(sizeof($opData['input']['parts']) > 0){
foreach($opData['input']['parts'] as $name => $type){
$paramStr .= "\$$name,";
}
$paramStr = substr($paramStr,0,strlen($paramStr)-1);
}
$opData['namespace'] = !isset($opData['namespace']) ? 'http://testuri.com' : $opData['namespace'];
$evalStr .= "function $operation ($paramStr){
// load params into array
\$params = array($paramStr);
return \$this->call('$operation',\$params,'".$opData['namespace']."','".(isset($opData['soapAction']) ? $opData['soapAction'] : '')."');
}";
unset($paramStr);
}
}
$r = rand();
$evalStr = 'class soap_proxy_'.$r.' extends soapclient {
'.$evalStr.'
}';
//print "proxy class:<pre>$evalStr</pre>";
// eval the class
eval($evalStr);
// instantiate proxy object
eval("\$proxy = new soap_proxy_$r('');");
// transfer current wsdl data to the proxy thereby avoiding parsing the wsdl twice
$proxy->endpointType = 'wsdl';
$proxy->wsdlFile = $this->wsdlFile;
$proxy->wsdl = $this->wsdl;
$proxy->operations = $this->operations;
$proxy->defaultRpcParams = $this->defaultRpcParams;
// transfer other state
$proxy->username = $this->username;
$proxy->password = $this->password;
$proxy->proxyhost = $this->proxyhost;
$proxy->proxyport = $this->proxyport;
$proxy->proxyusername = $this->proxyusername;
$proxy->proxypassword = $this->proxypassword;
$proxy->timeout = $this->timeout;
$proxy->response_timeout = $this->response_timeout;
$proxy->http_encoding = $this->http_encoding;
$proxy->persistentConnection = $this->persistentConnection;
return $proxy;
}
/**
* gets the HTTP body for the current request.
*
* @param string $soapmsg The SOAP payload
* @return string The HTTP body, which includes the SOAP payload
* @access protected
*/
function getHTTPBody($soapmsg) {
return $soapmsg;
}
/**
* gets the HTTP content type for the current request.
*
* Note: getHTTPBody must be called before this.
*
* @return string the HTTP content type for the current request.
* @access protected
*/
function getHTTPContentType() {
return 'text/xml';
}
/**
* gets the HTTP content type charset for the current request.
* returns false for non-text content types.
*
* Note: getHTTPBody must be called before this.
*
* @return string the HTTP content type charset for the current request.
* @access protected
*/
function getHTTPContentTypeCharset() {
return $this->soap_defencoding;
}
/*
* whether or not parser should decode utf8 element content
*
* @return always returns true
* @access public
*/
function decodeUTF8($bool){
$this->decode_utf8 = $bool;
return true;
}
}
?>