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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">So, for the record, after some debugging it seems that the flow is</p>
<ul>
<li>Consent records always transit between an in memory storage service and a JSON storage service. Consent deals with the former and the latter happens later i the flow (this allows for multiple sorts of storage of course)</li>
<li>The JSON storage server is added to the HTTPSession with an individual name <tt>org.opensaml.storage.impl.client.ClientStorageService.store.idp_persistent_ss</tt></li>
<li>This has a timeout of a year, but that's to do with what the client (browser) stores and is a red herring. If you don't approach the IDP at all in a year (I think) you'll loose your consent but that's not what this case is all about.</li>
<li>On the way back from client storage we go from storage->Decrypted->JSON->HTTPSession->Unpacked into the Consent in memory record
<ul>
<li>Note that Unpack means that JSONStorage.load() and InMemoryForConsent.save().</li>
</ul> </li>
<li>At no part of this load process (either JSON load or InMemoryforConsent.save() ) is expiration checked.</li>
<li>However when the JSONStorage saves the storage object it will drop expired records.</li>
<li>This means that after expiration you get one more go. I haven't tested this but it makes sense</li>
</ul> <p style="margin: 10px 0 0 0">More importantly it means that "all" I need to do is make <tt>net.shibboleth.idp.consent.flow.impl.ConsentFlowDescriptor#getLifetime()</tt> nullable (which is what I thought I needed to do, but I now understand why) and set it. It looks like this should do it:</p>
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p:lifetime=<span class="code-quote" style="color: #009100">"#{<span class="code-quote" style="color: #009100">'%{idp.consent.storageRecordLifetime:<span class="code-keyword" style="color: #000091; color: #009100">null</span>}'</span> != <span class="code-quote" style="color: #009100">'<span class="code-keyword" style="color: #000091; color: #009100">null</span>'</span> ? <span class="code-quote" style="color: #009100">'%{idp.consent.storageRecordLifetime}'</span> : <span class="code-keyword" style="color: #000091; color: #009100">null</span>}"</span></pre>
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</div> <p style="margin: 10px 0 0 0">I'll prototype and test this</p> </td>
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