Stian Thorgersen
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b12802f0d3
1 changed files with 87 additions and 4 deletions
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@ -4,7 +4,9 @@
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NOTE: JBoss Fuse is a Technology Preview feature and is not fully supported
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Currently Keycloak supports securing your web applications running inside http://www.jboss.org/products/fuse/overview/[JBoss Fuse] or http://karaf.apache.org/[Apache Karaf] . It leverages <<_jetty8_adapter,Jetty 8 adapter>> as both JBoss Fuse 6.1 and Apache Karaf 3 are bundled with http://eclipse.org/jetty/[Jetty 8.1 server] under the covers and Jetty is used for running various kinds of web applications.
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Currently Keycloak supports securing your web applications running inside http://www.jboss.org/products/fuse/overview/[JBoss Fuse] or http://karaf.apache.org/[Apache Karaf] .
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It leverages <<_jetty8_adapter,Jetty 8 adapter>> as both JBoss Fuse 6.2 and Apache Karaf 3 are bundled with http://eclipse.org/jetty/[Jetty 8.1 server]
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under the covers and Jetty is used for running various kinds of web applications.
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What is supported for Fuse/Karaf is:
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@ -14,6 +16,87 @@ What is supported for Fuse/Karaf is:
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* Security for http://cxf.apache.org/[Apache CXF] endpoints running on their own separate http://cxf.apache.org/docs/jetty-configuration.html[Jetty engine].
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* Security for http://cxf.apache.org/[Apache CXF] endpoints running on default engine provided by CXF servlet.
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* Security for SSH and JMX admin access.
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* Security for http://hawt.io/[Hawt.io admin console] .
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The best place to start is look at Fuse demo bundled as part of Keycloak examples in directory `examples/fuse` .
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==== How to secure your web applications inside Fuse
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The best place to start is look at Fuse demo bundled as part of Keycloak examples in directory `fuse` . Most of the steps should be understandable from testing and
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understanding the demo.
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Basically all mentioned web applications require to inject Keycloak Jetty authenticator into underlying Jetty server . The steps to achieve it are bit different
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according to application type.
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===== Classic WAR application
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The needed steps are:
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* Declare needed constraints in `/WEB-INF/web.xml`
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* Add `jetty-web.xml` file with the authenticator to `/WEB-INF/jetty-web.xml` and add `/WEB-INF/keycloak.json` with your Keycloak configuration
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* Make sure your WAR imports `org.keycloak.adapters.jetty` and maybe some more packages in MANIFEST.MF file in header `Import-Package`. It's
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recommended to use maven-bundle-plugin similarly like Fuse examples are doing, but note that "*" resolution for package doesn't import `org.keycloak.adapters.jetty` package
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as it's not used by application or Blueprint or Spring descriptor, but it's used just in jetty-web.xml file.
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Take a look at `customer-portal-app` from fuse example for inspiration.
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===== Servlet web application deployed by pax-whiteboard-extender
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The needed steps are:
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* Keycloak provides PaxWebIntegrationService, which allows to inject jetty-web.xml and configure security constraints for your application.
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Example `product-portal-app` declares this in `OSGI-INF/blueprint/blueprint.xml` . Note that your servlet needs to depend on it.
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* Steps 2,3 are same like for classic WAR
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Take a look at `product-portal-app` for inspiration.
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===== Apache camel application
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You can secure your Apache camel endpoint using http://camel.apache.org/jetty.html[camel-jetty] endpoint by adding securityHandler with `KeycloakJettyAuthenticator` and
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proper security constraints injected. Take a look at `OSGI-INF/blueprint/blueprint.xml` configuration in `camel` application on example of how it can be done in details.
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===== Apache CXF endpoint
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It's recommended to run your CXF endpoints secured by Keycloak on separate Jetty engine. You need to add `META-INF/spring/beans.xml` to your application
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and then declare `httpj:engine-factory` with Jetty SecurityHandler with injected `KeycloakJettyAuthenticator` inside.
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Fore more details, take a look at example application `cxf-ws` from Keycloak Fuse demo, which is using separate endpoint on
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http://localhost:8282 . All the important configuration inside this application is declared in `META-INF/spring/beans.xml` .
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===== Builtin CXF web applications
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Some services automatically come with deployed servlets on startup. One of such examples is CXF servlet running on
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http://localhost:8181/cxf context. Securing such endpoints is quite tricky. The approach, which Keycloak is currently using,
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is providing ServletReregistrationService, which undeploys builtin servlet at startup, so you are able to re-deploy it again on context secured by Keycloak.
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You can see the `OSGI-INF/blueprint/blueprint.xml` inside `cxf-jaxrs` example, which adds JAX-RS `customerservice` endpoint and more importantly, it secures whole `/cxf` context.
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As a side effect, all other CXF services running on default CXF HTTP destination will be secured too. Once you uninstall feature `keycloak-fuse-6.2-example`, the
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original unsecured servlet on `/cxf` context is deployed back and hence context will become unsecured again.
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It's recommended to use your own Jetty engine for your apps (similarly like `cxf-jaxws` application is doing).
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==== How to secure Fuse admin services
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===== SSH authentication to Fuse terminal with Keycloak credentials
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Keycloak mainly addresses usecases for authentication of web applications, however if your admin services (like fuse admin console) are protected
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with Keycloak, it may be good to protect non-web services like SSH with Keycloak credentials too. It's possible to do it by using JAAS login module, which
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allows to remotely connect to Keycloak and verify credentials based on <<_direct_access_grants,Direct Access Grants>> .
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Example steps for enable SSH authentication require changing the configuration of `sshRealm` in `$FUSE_HOME/etc/org.apache.karaf.shell.cfg`, then adding
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file `$FUSE_HOME/etc/keycloak-direct-access.json` (this is default location, which can be changed) and install the needed feature `keycloak-jaas`. It's described in details
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in the README file of Fuse example, which in example distribution is inside `fuse/fuse-admin/README.md` .
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===== JMX authentication with Keycloak credentials
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This may be needed in case if you really want to use jconsole or other external tool to perform remote connection to JMX through RMI. Otherwise it may
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be better to use just hawt.io/jolokia as jolokia agent is installed in http://hawt.io by default.
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You need to configure `jmxRealm` in `$FUSE_HOME/etc/org.apache.karaf.management.cfg`, then adding file `$FUSE_HOME/etc/keycloak-direct-access.json`
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(this is default location, which can be changed) and install the needed feature `keycloak-jaas`.
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It's described in details in the README file of Fuse example, which in example distribution is inside `fuse/fuse-admin/README.md` .
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===== Secure Fuse admin console
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Fuse admin console is Hawt.io. See http://hawt.io/configuration/index.html[Hawt.io documentation] for more info about how to secure it with Keycloak.
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