jee-pac4j-demo how to set callbackUrl

[S Zhou]

Hello!

Based on jee-pac4j-demo project, I wrote two java classes and put them into my existing web-based(servlet/jsp) java application. When I hit this application in a browser, I got below error:

org.pac4j.core.exception.TechnicalException: callbackUrl cannot be blank: set it up either on this IndirectClient or on the global Config

It tells me that I doesn't set callback url properly. Could anyone let me know what I did wrong? Followings are two related classes and parts of web.xml. Thanks.

public class SAMLConfigFactory {

   public static Config build() {

SAML2Configuration cfg = new SAML2Configuration();

        cfg.setKeystoreResourceFilepath("samlKeystore.jks");

        cfg.setKeystorePassword("pac4j-demo-passwd");

        cfg.setPrivateKeyPassword("pac4j-demo-passwd");

        cfg.setIdentityProviderMetadataPath("samltest-providers.xml");

        cfg.setServiceProviderMetadataPath(new File("sp-metadata.xml").getAbsolutePath());

        final SAML2Client saml2Client = new SAML2Client(cfg);

        final Clients clients = new Clients("http://localhost:8080/myapp", saml2Client);

        Config config = new Config(clients);

     

        return config;

   }

}

public class ForceLoginFilter extends AbstractConfigFilter {

    @Override

    public void init(final FilterConfig filterConfig) throws ServletException {

    }

    @Override

    protected void internalFilter(final HttpServletRequest request, final HttpServletResponse response,

            final FilterChain chain) throws IOException, ServletException {

        final JEEContext context = new JEEContext(request, response);

        Config cfg = SAMLConfigFactory.build();

      List<Client> clientList = cfg.getClients().getClients();

        SAML2Client client = (SAML2Client)clientList.get(0);

        HttpAction action = (HttpAction) client.getRedirectionAction(context).get();

        JEEHttpActionAdapter.INSTANCE.adapt(action, context);

    }

}

web.xml

    <filter>

        <filter-name>callbackFilter</filter-name>

        <filter-class>org.pac4j.jee.filter.CallbackFilter</filter-class>

    </filter>

    <filter-mapping>

        <filter-name>callbackFilter</filter-name>

        <url-pattern>/callback</url-pattern>

        <dispatcher>REQUEST</dispatcher>

    </filter-mapping>

    <filter>

        <filter-name>ForceLoginFilter</filter-name>

        <filter-class>com.abc.xyz.ForceLoginFilter</filter-class>

    </filter>

    <filter-mapping>

        <filter-name>ForceLoginFilter</filter-name>

        <url-pattern>*</url-pattern>

        <dispatcher>REQUEST</dispatcher>

    </filter-mapping>

[Jérôme LELEU]

Hi,

I don't understand how you can get that. The client should auto-initialize itself. And the callback URL is set thanks to : new Clients("http://localhost:8080/myapp", saml2Client);

Can you copy/paste the full stack trace?

Thanks.

Best regards,

Jérôme

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[S Zhou]

Good morning!

There is no errors in console window. Below is the info displayed on browser. 

Type Exception Report

Message callbackUrl cannot be blank: set it up either on this IndirectClient or on the global Config

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

org.pac4j.core.exception.TechnicalException: callbackUrl cannot be blank: set it up either on this IndirectClient or on the global Config
	org.pac4j.core.util.CommonHelper.assertTrue(CommonHelper.java:107)
	org.pac4j.core.util.CommonHelper.assertNotBlank(CommonHelper.java:119)
	org.pac4j.core.client.IndirectClient.internalInit(IndirectClient.java:52)
	org.pac4j.core.util.InitializableObject.init(InitializableObject.java:20)
	org.pac4j.core.client.IndirectClient.getRedirectionAction(IndirectClient.java:91)
	gov.cis.nps.icamssoclient.ForceLoginFilter.internalFilter(ForceLoginFilter.java:46)
	org.pac4j.jee.filter.AbstractConfigFilter.doFilter(AbstractConfigFilter.java:70)

Note The full stack trace of the root cause is available in the server logs.

By the way, here are two lines in my samltest-provider.xml. I am not sure if they are right. Is there any other places I should put callback url?

<!-- The entity describing the SAMLtest IdP, named by the entityID below -->

<EntityDescriptor xmlns="urn:oasis:names:tc:SAML:2.0:metadata" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:shibmd="urn:mace:shibboleth:metadata:1.0" xmlns:xml="http://www.w3.org/XML/1998/namespace" xmlns:mdui="urn:oasis:names:tc:SAML:metadata:ui" entityID="https://samltest.id/saml/idp">

<!-- This is the metadata for the SAMLtest SP, named by entityID -->

<md:EntityDescriptor xmlns:md="urn:oasis:names:tc:SAML:2.0:metadata" entityID="http://localhost:8080/myApp">

Thank you for your time and help.

[Jérôme LELEU]

Hi,

You must call the init() on the Clients component before using the getRedirectionAction method.

Thanks.

Best regards,

Jérôme

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[S Zhou]

I added client.init(); in front of client.getRedirectionAction(); but I got the same error.

Thanks.

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[Jérôme LELEU]

Hi,

I wrote about the Clients component, not about the SAML2Client.

clients.init();

Thanks.

Best regards,

Jérôme

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[S Zhou]

The issue got fixed after clients.init() was added. Thanks!

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