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                                                    <td style="vertical-align: top;; padding: 0px; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://issues.shibboleth.net/jira/browse/IDP-1519" style="color: #3b73af; text-decoration: none">Re: MFA transition action mishandles previous event determination</a> </span> </td> 
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                                                    <td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <p style="margin: 10px 0 0 0; margin-top: 0">Using a dummy flow that just signals a "proceed" event seems to be a viable, if ugly, workaround that "flushes" the state of the SWF system to overwrite the event that's getting in the way.</p> <p style="margin: 10px 0 0 0">Ample testing is advised, but I think it works as long as the parts that run afterward are intended to be the "gospel" result of the MFA flow.</p> <p style="margin: 10px 0 0 0">You create a dummy flow file (e.g. in idp.home/flows/dummy/dummy-flow.xml) containing this:</p> 
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<flow xmlns=<span class="code-quote" style="color: #009100">"http:<span class="code-comment" style="color: #808080">//www.springframework.org/schema/webflow"</span>
</span>      xmlns:xsi=<span class="code-quote" style="color: #009100">"http:<span class="code-comment" style="color: #808080">//www.w3.org/2001/XMLSchema-instance"</span>
</span>      xsi:schemaLocation=<span class="code-quote" style="color: #009100">"http:<span class="code-comment" style="color: #808080">//www.springframework.org/schema/webflow http://www.springframework.org/schema/webflow/spring-webflow.xsd"</span>>
</span>
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    <on-start>
        <evaluate expression=<span class="code-quote" style="color: #009100">"<span class="code-quote" style="color: #009100">'proceed'</span>"</span> />
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    <end-state id=<span class="code-quote" style="color: #009100">"proceed"</span> />
</flow>
</pre> 
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                                                        </div> <p style="margin: 10px 0 0 0">To use it, you replace the wildcard rule out of the first factor with "dummy" rather than "authn/Password".</p> <p style="margin: 10px 0 0 0">Then you add a rule for exiting the dummy flow:</p> 
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        <entry key=<span class="code-quote" style="color: #009100">"dummy"</span>>
            <bean parent=<span class="code-quote" style="color: #009100">"shibboleth.authn.MFA.Transition"</span> p:nextFlow=<span class="code-quote" style="color: #009100">"authn/Password"</span> />
        </entry>
</pre> 
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                                                        </div> <p style="margin: 10px 0 0 0">The name "dummy" is arbitrary obviously.</p> <p style="margin: 10px 0 0 0">If the system reuses the Password result, it should rely on the previously set event of "proceed" as the overall outcome, which is the normal result the system expects to be operating with when it reuses a result, so that's not a real internal change to the expected outcome, and that should be safe.</p> </td> 
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