Webservice with HTTP authentication

[Former Member]

Hi,

how do i supply the userid an password for a http authenticated webservice. I already choose the option for http authentication on the security tab on the logical port.

Alos tried to find it in the Visual Admin to the server but i am stuck.

Greetings Danny.

[Former Member · Accepted solution]

There are two ways to do this

<b>Option 1: Hard code the Username/Password</b>

For this, use the method _setUser and _setPassword.

These are methods for your model class Request_<WebService>_PortType.... (the model class for the webservice). I invoked these methods in the wdDoInit method of the component controller class.

For example, i imported the WSDL for the RFC SXMB_GET_MESSAGE_LIST and used it like this:

Request_SXMB_GET_MESSAGE_LISTPortType_SXMB_GET_MESSAGE_LIST oRequest = 
new Request_SXMB_GET_MESSAGE_LISTPortType_SXMB_GET_MESSAGE_LIST();
oRequest._setUser("bcuser");
oRequest._setPassword("password");

<b>Option 2: Use HTTP Destinations</b>

Open Visual Administrator and goto node Services, Destination Service. Create a HTTP destination with the URL of the webservice, maybe choose basic authentication and give the username / password. Now, you could use this HTTP destination in the component controller class. Even though there is a method _setHTTPDestinationName, this did not work for me. I had to write the following code to retrieve the URL, username, password from the HTTP destination

import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import java.net.HttpURLConnection;

	InitialContext ctx ;
	Object obj;
	DestinationService dstService;
	Destination destination;
	HTTPDestination httpDestination ;
	HttpURLConnection httpurlconnection = null;
	Properties destprop = null;
	String url = "";
	String username = "";
	String password = "";
		ctx = new InitialContext();
		obj = ctx.lookup(DestinationService.JNDI_KEY);
		dstService = (DestinationService) obj;		
		destination = dstService.getDestination("HTTP","NC_IS");
		destprop = destination.getDestinationProperties();
		httpDestination = (HTTPDestination) destination;
		url = httpDestination.getUrl();
		username = destprop.getProperty("USERNAME");
		password = destprop.getProperty("PASSWORD");   

(I know the java code sucks and the purists will hang me; nevertheless it works)

Besides the code, you need to do the following as well:

(1) In the Package explorer, select your project, right click, cick on "Set Additional Libraries.."

(2) Select security.class and tc/sec/destinations/interface

(3) Click on menu Project > Properties, goto Webdynpro refereces node in the tree and add the following

(a) Interface References: tc_secdestinations~interface

(b) Service References: tc_secdestinations~service

All the best, try option 1 first before you embark on the second one.

Regards, Parag.

[Former Member · Accepted solution]

Parag,

Case with HTTP destination.

Probably this also shoudl works (and is much simpler to use):

Request_SXMB_GET_MESSAGE_LISTPortType_SXMB_GET_MESSAGE_LIST oRequest 
  = new Request_SXMB_GET_MESSAGE_LISTPortType_SXMB_GET_MESSAGE_LIST();
oRequest._setHTTPDestinationName("NC_IS");

Valery Silaev

EPAM Systems

http://www.NetWeaverTeam.com

[Former Member · Accepted solution]

Hi Parag,

i tried option 1 with following coding in my controller:

//@@begin javadoc:wdDoInit()

/** Hook method called to initialize controller. */

//@@end

public void wdDoInit()

{

//@@begin wdDoInit()

//$$begin Service Controller(119040844)

Request_FindServiceSoap_findAddress RFf = new Request_FindServiceSoap_findAddress();

RFf._setUser("xxxxx");

RFf._setPassword("yyyyy");

wdContext.nodeRequest_FindServiceSoap_findAddress().bind(RFf);

//$$end

//@@end

}

Without success.

Still gives me the message 401 not authorised

Will try option 2 now but am a bit confused why we need to retreive the userid and password and password.

Greetings Danny.

[Former Member · Accepted solution]

Hello Danny,

Sorry, my 2 days of WD Java experience ends here. It worked for me with a SAP RFC webservice (soap/rfc). A stupid question, did you try the webservice URL in the browser ? Does it popup a authentication dialog box ? Please check the URL and the username/password.

About your other query, we need to retrieve the userid/password to pass it on to the _setUser and _setPassword method. I should have mentioned this in my example.

Valery,

You are right, that's the simpler method but did not work for me for the same webservice and i got a 401 just like Danny. Fortunately, the _setUser worked so i was luckier than Danny.

Hope you find a solution Danny.

Regards, Parag.

[Former Member · Accepted solution]

Hi Parag,

yes it works in the browser and i managed to get the webservice to work in a .net environment and a normal J2EE environment using AXIS.

Greetings Danny.

Seems there is still work for the Web Dynpro team to get webservices less compilcated to get it to work.

[Former Member]

Hi Danny,

Here are some webblogs regarding authentication.

https://www.sdn.sap.com/irj/sdn?rid=/webcontent/uuid/adcfa85d-0501-0010-a398-80a47b8e3fc2 [original link is broken]

[Former Member]

Hi,

Checked this reference but is all about setting up security on the J2EE server.

I am looking on how to consume an http authenticated webservice.

Thanks Danny.