<div dir="ltr">I will try this out. Thanks for this. I have another question on this. To me, it looks like it will work in switching to authentication providers down in the chain (by letting us skip the ones in between), but what if we want to switch to an authentication provider up? For example, from authenticator1, we switch to authenticator4, and then we want to switch to authenticator2 (back up in the chain), can this be achieved? <br></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, May 19, 2016 at 3:06 PM, Marek Posolda <span dir="ltr">&lt;<a href="mailto:mposolda@redhat.com" target="_blank">mposolda@redhat.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
  
    
  
  <div bgcolor="#FFFFFF" text="#000000">
    <div>For example you can create 2 subflows
      of the top flow and mark them as ALTERNATIVE. Then if you create
      &quot;children&quot; execution of subflow1 pointing to your authenticator
      inside it, then in the code of your authenticator you can switch
      the state to ATTEMPTED and if the authenticator execution is
      required, it will cancel subflow1 and go to subflow2. At least I
      hope it will work like this <span><span>
          :-) </span></span><br>
      <br>
      If you want some more complex logic and dependency of
      authenticator on the state of other authenticator etc. you can
      maintain the state inside clientSession notes. Then authenticators
      will be executed in the fixed order, but for example in the code
      of authenticator2 you can do something like :<br>
      <br>
      if
      (&quot;true&quot;.equals(clientSession.getNote(&quot;wasAuthenticator1FinishedSuccessfully&quot;))
      {<br>
         // skip this authenticator2 as authenticator1 already
      authenticated user or did something, which allows you to skip
      authenticator2 and move directly to authenticator3 etc.<br>
        context.attempted();<span style="color:#000080;font-weight:bold"><br>
          return</span>;
      
      <br>
      }<br>
      <br>
      etc.<span class="HOEnZb"><font color="#888888"><br>
      Marek</font></span><div><div class="h5"><br>
      <br>
      On 19/05/16 16:31, Rashmi Singh wrote:<br>
    </div></div></div><div><div class="h5">
    <blockquote type="cite">
      <div dir="ltr">Could someone please tell me if this is even
        possible? I do not want the execution engines/authentication
        providers to be executed in a fixed order defined in the admin
        console. But, need to be able to switch to any in the chain
        depending on some response I get upon invoking an external
        service. I needed to know if this is possible and if yes, then
        how? Any help would be appreciated.</div>
      <div class="gmail_extra"><br>
        <div class="gmail_quote">On Wed, May 18, 2016 at 4:21 PM, Rashmi
          Singh <span dir="ltr">&lt;<a href="mailto:singhrasster@gmail.com" target="_blank">singhrasster@gmail.com</a>&gt;</span>
          wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div dir="ltr">Thanks a lot for your response. I went
              through the chapter. What I understand is we can create
              multiple executions (authentication providers) but they
              are executed in a serial fashion in a fixed order defined.
              Is there a way to be able to switch between them (so, not
              have it executed in the default serial way but depending
              on the response we get from an external service we called,
              we can switch to the corresponding one). Any ideas?</div>
            <div>
              <div>
                <div class="gmail_extra"><br>
                  <div class="gmail_quote">On Tue, May 17, 2016 at 3:49
                    AM, Marek Posolda <span dir="ltr">&lt;<a href="mailto:mposolda@redhat.com" target="_blank"></a><a href="mailto:mposolda@redhat.com" target="_blank">mposolda@redhat.com</a>&gt;</span>
                    wrote:<br>
                    <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
                      <div bgcolor="#FFFFFF" text="#000000">
                        <div>The docs is here :
                          <a href="http://keycloak.github.io/docs/userguide/keycloak-server/html/auth_spi.html" target="_blank">http://keycloak.github.io/docs/userguide/keycloak-server/html/auth_spi.html</a><br>
                          <br>
                          We have also example for authentication SPI.
                          Note that you can create sub-flows in the
                          &quot;top&quot; flow, which might be a way to split the
                          authenticator into multiple ones. For example
                          see &quot;Forms&quot; flow in default &quot;Browser&quot; flow.
                          Also maybe you will need to implement some
                          logic programatically in your authenticators
                          based on various conditions etc. Depends on 
                          the usecase though...<br>
                          <br>
                          Marek<span><br>
                            <br>
                            <br>
                            On 16/05/16 23:52, Rashmi Singh wrote:<br>
                          </span></div>
                        <blockquote type="cite"><span>
                            <div dir="ltr">Hi,
                              <div><br>
                              </div>
                              <div>I am looking for a way to do
                                authentication provider chaining with
                                keycloak. Basically, I want to have
                                multiple authentication providers,
                                example username, Suregrid etc. On
                                submitting username, we call a service
                                and if that service tells us to use
                                SureGrid, then we should be able to pass
                                control to the corresponding
                                authentication provider. So basically, I
                                want to spilt one authentication
                                provider into multiple and be able to
                                chain them based on the response from
                                the service called. I have not found any
                                documentation that explains this. Could
                                you suggest how to achieve this?</div>
                              <div><br>
                              </div>
                              <div><br>
                              </div>
                              <div><br>
                              </div>
                            </div>
                            <br>
                            <fieldset></fieldset>
                            <br>
                          </span>
                          <pre>_______________________________________________
keycloak-dev mailing list
<a href="mailto:keycloak-dev@lists.jboss.org" target="_blank">keycloak-dev@lists.jboss.org</a>
<a href="https://lists.jboss.org/mailman/listinfo/keycloak-dev" target="_blank">https://lists.jboss.org/mailman/listinfo/keycloak-dev</a></pre>
                        </blockquote>
                        <br>
                      </div>
                    </blockquote>
                  </div>
                  <br>
                </div>
              </div>
            </div>
          </blockquote>
        </div>
        <br>
      </div>
    </blockquote>
    <br>
  </div></div></div>

</blockquote></div><br></div>