Hi James, thanks for adding this info. I totally forgot to mention activemq-jaas.
Cheers -- Dejan Bosanac - http://twitter.com/dejanb Open Source Integration - http://fusesource.com/ ActiveMQ in Action - http://www.manning.com/snyder/ Blog - http://www.nighttale.net On Thu, May 20, 2010 at 8:34 AM, James Casey <jamesc....@gmail.com> wrote: > Hi Jim, > > What Dejan has pointed you at is the classes that have all the various > plugin methods for doing Auth in ActiveMQ by inserting a Broker object > into the chain which is called during a connection. It would be > possible to write a custom Broker subclass here that does what you > want, but I think it would be easier inside JAAS. > > What I'd suggest is you use the standard > JaasCettificateAuthenticationPlugin and do the work in a JAAS plugin. > > The JAAS plugins are in > > http://fisheye6.atlassian.com/browse/activemq/trunk/activemq-jaas/src/main/java/org/apache/activemq/jaas > . > > I would suggest to create a subclass of CertificateLoginModule and > override the getUserNameForCertificate method to extract and return > the CN. If you look at TextFileCertificateLoginModule.java you can > see the logic it uses to extract the DN and match against entries in > the file - you would just need to write a simpler version which just > pulls out the CN from the client DN. Then you hook it into ActiveMQ > via a login.config file pointing at your custom class. > > Let me know if this makes sense or if you need any more info. > > cheers, > > James. > > > On 20 May 2010 12:14, Dejan Bosanac <de...@nighttale.net> wrote: > > Hi Jim, > > > > the best way is to look at the source code of the current plugin > > implementation. > > > > You can find it in org.apache.activemq.security package. > > > > For a quick preview, you can use this URL: > > > > > http://fisheye6.atlassian.com/browse/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/security > > > > Cheers > > -- > > Dejan Bosanac - http://twitter.com/dejanb > > > > Open Source Integration - http://fusesource.com/ > > ActiveMQ in Action - http://www.manning.com/snyder/ > > Blog - http://www.nighttale.net > > > > > > On Wed, May 19, 2010 at 2:33 PM, Jim Lloyd <jll...@silvertailsystems.com > >wrote: > > > >> I'd like to implement an authorization plugin that would allow me to > >> implement a fully automatic authorization policy. Here's an outline of > what > >> I want: > >> > >> We have a broker that is a hub in a hub & spoke topology network of > >> brokers. > >> A connections to this hub broker are via SSL and the hub broker requires > >> SSL > >> client authentication. We require the client certificates to always be > of a > >> form where the Common Name (CN) of the certificate defines the user. So, > >> for > >> example, if we instead used a jaas.TextFileCertificateLoginModule the > >> user.properties file would look like this: > >> > >> user1=CN=user1,O=Silver Tail Systems,ST=California,C=US > >> userFoo=CN=userFoo,O=Silver Tail Systems,ST=California,C=US > >> ... > >> userZeta=CN=userZeta,O=Silver Tail Systems,ST=California,C=US > >> > >> Meanwhile, the AuthorizationMap we want would look something like this: > >> > >> <authorizationPlugin> > >> <map> > >> <authorizationMap> > >> <authorizationEntries> > >> <authorizationEntry topic=">" read="admins" write="admins" > admin="admins" > >> /> > >> <authorizationEntry topic="user1.>" read="user1" write="user1" > >> admin="user1" > >> /> > >> <authorizationEntry topic="userFoo.>" read="userFoo" write="userFoo" > >> admin="userFoo" /> > >> ... > >> <authorizationEntry topic="userZeta.>" read="userZeta" write="userZeta" > >> admin="userZeta" /> > >> <authorizationEntry topic="ActiveMQ.Advisory.>" read="all" write="all" > >> admin="all"/> > >> </authorizationEntries> > >> </authorizationMap> > >> </map> > >> </authorizationPlugin> > >> > >> If we use jaas.TextFileCertificateLoginModule, we have to update the > >> users.properties, groups.properties file and the authorizationMap in the > >> activemq.xml file every time we add a user. We can automate this with > >> scripting, but a more elegant solution would be to write our own > plugin(s) > >> to implement this policy. I'm in the process of scoping this effort, and > so > >> far I haven't found anything other than javadocs on the various classes > to > >> guide me. Can anyone provide a high level outline of how I would > implement > >> this? > >> > >> Thanks, > >> Jim Lloyd > >> Silver Tail Systems > >> > > >