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"Accessing_EJB3s_over_SSL"
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h2. EJB3 over SSL
This tutorial shows you how to invoke remote EJBs over an SSL connection.
Setting up SSL for use in EJB3 involves creating a keystore and making sure the correct
transport
is available in the EJB3 configuration. After which you only have to use the RemoteBinding
annotation
with a clientBindUrl to make sure the bean is called through SSL.
This tutorial assumes you've setup JBoss 4.x with EJB3 support. Make sure the
enviroment variable
JBOSS_HOME refers to the installation directory.
h3. Creating a keystore
For SSL to work we need to create a public/private key pair, which will be stored in a
keystore. Generate this using the genkey command that comes with the JDK.
$ cd $JBOSS_HOME/server/default/conf/
$ keytool -genkey -alias ejb3-ssl -keypass opensource -keystore localhost.keystore
Enter keystore password: opensource
What is your first and last name?
[Unknown]:
What is the name of your organizational unit?
[Unknown]:
What is the name of your organization?
[Unknown]:
What is the name of your City or Locality?
[Unknown]:
What is the name of your State or Province?
[Unknown]:
What is the two-letter country code for this unit?
[Unknown]:
Is CN=Unknown, OU=Unknown, O=Unknown, L=Unknown, ST=Unknown, C=Unknown correct?
[no]: yes
Since we have not signed our certificate through any certification authoritiy, we also
need to create a truststore for the client, explicitly saying that we trust the
certificate we just created. The first step is to export the certificate using the JDK
keytool:
$ keytool -export -alias ejb3-ssl -file mycert.cer -keystore localhost.keystore
Enter keystore password: opensource
Certificate stored in file <mycert.cer>
Then we need to create the truststore if it does not exist and import the certificate into
the trueststore:
$ keytool -import -alias ejb3-ssl -file mycert.cer -keystore localhost.truststore
Enter keystore password: opensource
Owner: CN=Unknown, OU=Unknown, O=Unknown, L=Unknown, ST=Unknown, C=Unknown
Issuer: CN=Unknown, OU=Unknown, O=Unknown, L=Unknown, ST=Unknown, C=Unknown
Serial number: 43bff927
Valid from: Sat Jan 07 18:23:51 CET 2006 until: Fri Apr 07 19:23:51 CEST 2006
Certificate fingerprints:
MD5: CF:DC:71:A8:F4:EA:8F:5A:E9:94:E3:E6:5B:A9:C8:F3
SHA1: 0E:AD:F3:D6:41:5E:F6:84:9A:D1:54:3D:DE:A9:B2:01:28:F6:7C:26
Trust this certificate? [no]: yes
Certificate was added to keystore
h3. Setting up the transport
To setup the transport open
$JBOSS_HOME/server/default/deploy/ejb3.deployer/META-INF/jboss-service.xml in your
favorite text editor. Add the following mbean to it:
<mbean code="org.jboss.remoting.transport.Connector"
name="jboss.remoting:type=Connector,transport=socket3843,handler=ejb3">
<depends>jboss.aop:service=AspectDeployer</depends>
<attribute
name="InvokerLocator">sslsocket://0.0.0.0:3843</attribute>
<attribute name="Configuration">
<handlers>
<handler
subsystem="AOP">org.jboss.aspects.remoting.AOPRemotingInvocationHandler</handler>
</handlers>
</attribute>
</mbean>
h3. Starting JBoss
We need to tell JBoss Remoting where to find the keystore to be used for SSl and its
password. This is done using
the javax.net.ssl.keyStore and javax.net.ssl.keyStorePassword=opensource system properties
when starting JBoss, as
the following example shows:
$ cd $JBOSS_HOME/bin
$ ./run.sh -Djavax.net.ssl.keyStore=../server/default/conf/localhost.keystore
-Djavax.net.ssl.keyStorePassword=opensource
h3. Creating your beans
Create your EJBs as usual and add the following annotation to bind it to the SSL invoker.
import org.jboss.annotation.ejb.RemoteBinding;
@RemoteBinding(clientBindUrl="sslsocket://0.0.0.0:3843")
For the purpose this tutorial an example bean is provided (see
src/org/jboss/tutorial/ssl/bean/CalculatorBean.java).
To compile and deploy the example simple execute ant ejbjar.
h3. Running your client
While making sure all the correct libraries are on the classpath we can run the provided
client.
$ java -Djavax.net.ssl.trustStore=$JBOSS_HOME/server/default/conf/localhost.truststore
-Djavax.net.ssl.trustStorePassword=opensource org.jboss.tutorial.ssl.client.Client
Or better yet, just run ant run.
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