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<p class="MsoNormal"><span lang="EN-GB">Hello,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">I’m trying to develop an extension for the Shibboleth Idp V3. My requirements are the following:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span lang="EN-GB"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-GB">The SP sends a SAML2 AuthnRequest containing a certificate in <samlp:Extensions><o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span lang="EN-GB"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-GB">My Idp extension should take this certificate, encrypt the resolved attributes with it and put them in the Advice-Tag of the AuthnResponse<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">In V2, I would have extended the SAML2ProfileHandler, but in V3 I don’t know where to start.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Where would be the best place to implement this functionality?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Please provide me some hints in the right direction.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-GB">I asked this first at shib-users and got the following answer from Rod (thanks for the quick response):<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-GB">>I suggest you move this over to shib-dev<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-GB">><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-GB">>Meantime you should review the sketchy documentation (we will add to it, but cycles are short and we have to prioritise)<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-GB">><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-GB" style="color:black">></span><span lang="EN-GB"><a href="https://wiki.shibboleth.net/confluence/display/IDP30/Extension+Development+Guide">https://wiki.shibboleth.net/confluence/display/IDP30/Extension+Development+Guide</a><o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-GB">><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-GB">>and <o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-GB">><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-GB">></span><a href="https://wiki.shibboleth.net/confluence/display/IDP30/SpringConfiguration"><span lang="EN-GB">https://wiki.shibboleth.net/confluence/display/IDP30/SpringConfiguration</span></a><span lang="EN-GB"><o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-GB">><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-GB">>Also start reading the XML files in system\flows\saml, because you'll be adding stuff like that<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-GB">><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-GB">>Rod<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">I already looked into these documents and files, but I think I need a little more help.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">My understanding so far is, that I have to override the whole SAML2 web-flow,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">and inject a custom action somewhere at the beginning of the flow to extract the certificate<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">and a second action after the AttributeResolution or BuildResponse action to encrypt the attributes.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Maybe it is also possible to implement only the second action at the end if the request can be accessed from there?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">I already found the file “system/flows/saml/saml2/sso-abstract-flow.xml” that describes that flow, but I don’t know<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">how to override it or how to introduce additional actions into it. Neither do I know how the actions correspond to any Java-Classes.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Many thanks in advance<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Georg<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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