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    <p>JAAS isn't really suitable for web application. It is more for desktop applications which support interactive inputs and accessing local resources managed by the JVM such as files, network sockets.</p> <p>But if you really want to go down the JAAS road, prepare to write your custom LoginModule and probably a CallbackHandler and Principal. Most important class is the LoginModule. You might be able to reuse some existing Principal class.</p> <p>The CallbackHandler would pull the token out of the URL. The LoginModule would look that token up against some database, and populate the passed-in Subject with some Principal.</p> <p>It may sound confusing because the terms are quite close (Subject vs Principal, LoginModule vs CallbackHandler) so the docs should be at a close distance.</p> <p>After you've done all of this, you will also need to configure the web container's policy to load a new login context (yet another very related term). This is like configuring PAM in Linux. Ask your administrator to do this for you.</p> <p>But you haven't finished yet. The last task is to write a (I assume you are developing something based on Java Servlet) filter. This filter should be hooked at the very first level. If it sees a special parameter value (such as user_token), it obtains the configured LoginContext object, and calls its login method.</p> <p>Now, if you scrap JAAS altogether, you could make do with just the servlet filter. In this filter, if authentication is successful, you could populate the session object with your own custom objects (such as a User object) to signify a success. Much more simple.</p>
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    1. PONewbie at JAAS authentication; Sign in using a token in the URL Bar
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    1. USNam Nguyen
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    1. COGood lord... guess I'll stick to spring sec 3.
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      1. USJonathan S. Fisher
 

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