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Posted: Tue Jun 17, 2008 11:53 pm

Hello,

We have used a local WSDL file with PHP SOAP to request a web-service and got
response successfully. As our head office team uses NuSOAP, we had to migrate
the code to NuSOAP and found that it's not working like it worked with PHP-SOAP.

As I have tried to go over the nusoap.php, I observed the following:

The original wsdl file has something like:

Code:

<wsdl:message name="getXXXRequest">
<wsdl:part element="tns1:getXXX" name="part"/>
</wsdl:message>

As the `name` for wsdl:part is given as "part", nusoap is
creating the message as:

Code:

<part>[ the message body ]</part>

However the server is failing with "internal server error" when that message is posted.

When the message is sent like:

Code:

<tns1:getXXX>[ the message body ]</tns1:getXXX>

then the server accepts it and sends the response.

This worked with PHP-SOAP as PHP-SOAP has created second type of message.
Now I do not know where lies the problem:
1) Either Sever is not accepting the message as it should be with <part>xxxxx</part>
2) Or NuSoap is missing a feature to consider the second case
3) Or PHP-SOAP is either considering both cases or sending the wrong case!?

Kind Regards,
Sanjeev

Posted: Wed Jun 18, 2008 2:56 am

For now, to carry on, I have made the following change to nusoap.php (version 0.7.2) in serializeType() line number: 5452
replaced:

Code:

$xml = "<$name$elementNS>$value</$name>";

with:

Code:

$xml = "<".$this->getPrefixFromNamespace($ns).":$uqType>$value</".$this->getPrefixFromNamespace($ns).":$uqType>";

I fear it might break some other calls that use nusoap.php!
Let me know what needs to be done!?

Kind Regards
Sanjeev

Posted: Wed Jun 18, 2008 3:56 am

did you check debug log created in the nusoap server object properties? it's what you run on the server.

Posted: Wed Jun 18, 2008 6:10 am

Hello Dimitri,

Thank you very much for the update.
Unfortunately, the server is not on our side. It is a third party server where
we singed an NDA for making use of their webservices.

It uses Apache Axis server by the way.

Kind Regards,
Sanjeev

Posted: Thu Jun 19, 2008 4:36 am

Hello Dimitri,

Kindly, can you please take time to comment on the issue.
We are stuck here with the nusoap. I wasn't sure whether
we can continue with the above said patch, or may be
we can try some other way to achieve the same.

Just for testing, I have modified the wsdl file to contain
"getXXX" in the name of wsdl:part instead of "part" while
passing its namespace as a parameter in Call method,
it worked fine. But I guess its not an elegant solution to
modify the wsdl.

I was stuck here as I need to update my superiors on why
we require a change in either nusoap.php or the wsdl file.
They say, they are using nusoap for quite some time without
any problems.

Kindly take time to advise.

Kind Regards,
Sanjeev

Posted: Thu Jun 19, 2008 2:28 pm

a more or less complete example would help me understand the problem better.
and on the other side, did you specify a namespace in the soapclient object constructor and in the call()?

Posted: Fri Jun 20, 2008 4:03 am

Hello Dimitri,

Thank you very much for the response. Its very kind of you.
Please find below the example (modified wherever needed
to hide the company data):

The Local WSDL File:

Code:

<?xml version="1.0" encoding="UTF-8"?>
<wsdl:definitions xmlns="http://schemas.xmlsoap.org/wsdl/" xmlns:apachesoap="http://xml.apache.org/xml-soap" xmlns:impl="http://www.testbooks.com/schemas/2005/06/messages" xmlns:intf="http://www.testbooks.com/schemas/2005/06/messages" xmlns:tns1="http://axis.frontend.bsi.testbooks.com" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" xmlns:wsdlsoap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" targetNamespace="http://www.testbooks.com/schemas/2005/06/messages">
<wsdl:types>
<schema targetNamespace="http://axis.frontend.bsi.testbooks.com" xmlns="http://www.w3.org/2001/XMLSchema">
<element name="getBSIBooksList" type="xsd:anyType"/>
</schema>
<schema targetNamespace="http://www.testbooks.com/schemas/2005/06/messages" xmlns="http://www.w3.org/2001/XMLSchema">
<element name="getBSIBooksListReturn" type="xsd:anyType"/>
</schema>
</wsdl:types>
<wsdl:message name="getBSIBooksListResponse">
<wsdl:part name="getBSIBooksListReturn" element="impl:getBSIBooksListReturn"/>
</wsdl:message>
<wsdl:message name="getBSIBooksListRequest">
<wsdl:part name="part" element="tns1:getBSIBooksList"/>
</wsdl:message>
<wsdl:portType name="BSI">
<wsdl:operation name="getBSIBooksList">
<wsdl:input name="getBSIBooksListRequest" message="impl:getBSIBooksListRequest"/>
<wsdl:output name="getBSIBooksListResponse" message="impl:getBSIBooksListResponse"/>
</wsdl:operation>
</wsdl:portType>
<wsdl:binding name="BSISoapBinding" type="impl:BSI">
<wsdlsoap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/>
<wsdl:operation name="getBSIBooksList">
<wsdlsoap:operation/>
<wsdl:input>
<wsdlsoap:body use="literal"/>
</wsdl:input>
<wsdl:output>
<wsdlsoap:body use="literal"/>
</wsdl:output>
</wsdl:operation>
</wsdl:binding>
<wsdl:service name="BSIService">
<wsdl:port name="BSI" binding="impl:BSISoapBinding">
<wsdlsoap:address location="http://000.000.000.00/cratos/ws/BSI"/>
</wsdl:port>
</wsdl:service>
</wsdl:definitions>

The Php Code:

Code:

require_once('nusoap.php');^M
$wsdlfile = dirname(__FILE__)."/bsi.wsdl";
ini_set("soap.wsdl_cache_enabled", "0");
$BoosRQ= '<BSI_BooksListRQ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" echoToken="0123"><Language>EN</Language><Credentials><User>'.$user.'</User><Password>'.$passwd.'</Password></Credentials></BSI_BooksListRQ>';
if(($client = new SoapClient($wsdlfile,true,"BSI"))) {
$rs1=$client->Call("getBSIBooksList",array($BooksRQ),"http://axis.frontend.bsi.testbooks.com");
//$rs1=$client->Call("getBSIBooksList",array($methodName=>$requestXML),"http://axis.frontend.bsi.testbooks.com");

if(@array_key_exists('faultcode', $rs1)) {
echo $rs1;
} else {
echo "Success";
}
}

The following is the request nusoap creates:

Code:

<?xml version="1.0" encoding="ISO-8859-1"?><SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:tns1="http://axis.frontend.bsi.testbooks.com"><SOAP-ENV:Body><part><BSI_BooksListRQ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" echoToken="0123"><Language>EN</Language><Credentials><User>test</User><Password>test</Password></Credentials></BSI_BooksListRQ></part></SOAP-ENV:Body></SOAP-ENV:Envelope>

For the above request server responds with a 501 error.
The following is the request that server accepts:

Code:

<?xml version="1.0" encoding="ISO-8859-1"?><SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:tns1="http://axis.frontend.bsi.testbooks.com"><SOAP-ENV:Body><tns1:getBSIBooksList><BSI_BooksListRQ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" echoToken="0123"><Language>EN</Language><Credentials><User>test</User><Password>test</Password></Credentials></BSI_BooksListRQ></tns1:getBSIBooksList></SOAP-ENV:Body></SOAP-ENV:Envelope>

Hope the above this help.

Kind Regards,
Sanjeev

Posted: Sun Jun 22, 2008 5:26 pm

Could you please try to change "document" in the following wsdl's line to "rpc"?

<wsdlsoap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/>

Posted: Mon Jun 23, 2008 4:55 am

Hello Dimitri,

Yes that fixed the problem. Thank you very much.

As modifying the wsdl file is not the right option and it'd be better to give the user
an extra flexibility, I have patched the nusoap.php which doesn't affect any existing
usages of nusoap.php.

I have added two variables to nusoap_base
$style='rpc' and $forceStyle=false
and updated the client->call method to
have an extra argument $forceStyle

One can use either of them to force the use of specified style overriding the wsdl
default style. One have to pass the namespace as the third parameter.

Code:

$client->style = 'rpc' (or document)
$client->forceStyle = true.
$client->call($method, $array, "namespace");

or

Code:

$client->call($method, $array, "namespace", '', false, null, 'rpc', 'literal', true);

As I didn't find a way to attach any files to this thread, please find below the
patch:

Code:

--- nusoap-orig/nusoap.php 2008-06-24 15:04:32.000000000 +0530
+++ nusoap.php 2008-06-24 15:32:53.000000000 +0530
@@ -197,6 +197,24 @@
var $xmlEntities = array('quot' => '"','amp' => '&',
'lt' => '<','gt' => '>','apos' => "'");

+
+ /**
+ * Style to use for SOAP document
+ *
+ * @var string (can be one of rpc or document)
+ * @access public
+ */
+ var $style = "rpc";
+
+ /**
+ * Force the specified style or use the WSDL specified style
+ *
+ * @var boolean (true: forces the above given style.
+ * false: takes the one specified in WSDL)
+ * @access public
+ */
+ var $forceStyle = false;
+
/**
* constructor
*
@@ -6539,7 +6557,7 @@
* @return mixed response from SOAP call
* @access public
*/
- function call($operation,$params=array(),$namespace='http://tempuri_org',$soapAction='',$headers=false,$rpcParams=null,$style='rpc',$use='encoded'){
+ function call($operation,$params=array(),$namespace='http://tempuri_org',$soapAction='',$headers=false,$rpcParams=null,$style='',$use='encoded', $forceStyle=false){
$this->operation = $operation;
$this->fault = false;
$this->setError('');
@@ -6571,7 +6589,14 @@
$this->endpoint = $this->forceEndpoint;
}
$namespace = isset($opData['input']['namespace']) ? $opData['input']['namespace'] : $namespace;
- $style = $opData['style'];
+
+ if($forceStyle || $this->forceStyle) {
+ $style = (empty($style))? $this->style : $style;
+ } else {
+ $style = $opData['style'];
+ }
+ if(empty($style)) $style = 'rpc';
+
$use = $opData['input']['use'];
// add ns to ns array
if($namespace != '' && !isset($this->wsdl->namespaces[$namespace])){

May be we have to do something similar to give flexibility for user to override the wsdl defaults.

Hope this will be helpful for someone who is following this thread.
Thank you very much once again for taking time to update me on this thread.

Kind Regards,
Sanjeev

Posted: Sat Jun 28, 2008 6:29 pm

Thanks for your efforts. The key question is whether the patched library still conforms the related SOAP standards.
Feel free to publish your patch there https://lists.sourceforge.net/lists/listinfo/nusoap-general
http://sourceforge.net/projects/nusoap/

Posted: Sat Jun 28, 2008 11:37 pm

Hello Dmitri,

Thank you for the update.
It might not conform to the standards, but might give
an extra flexibility to those users who might have to
deal with faulty implementations of the server Sad

. I will
submit the patch on the mailing list.

Kind Regards,
Sanjeev