keycloak-scim/securing_apps/topics/oidc/java/fuse/camel.adoc
Matthew Helmke 2c2c7f7b50 Revert "fixed Wildfly mentions and faulty links with underscores"
This reverts commit 1ecbc1ba14075203af437295927699adf84cc428.
2019-02-20 11:51:28 +01:00

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[[_fuse_adapter_camel]]
===== Securing an Apache Camel Application
You can secure Apache Camel endpoints implemented with the http://camel.apache.org/jetty.html[camel-jetty] component by adding securityHandler with `KeycloakJettyAuthenticator` and the proper security constraints injected. You can add the `OSGI-INF/blueprint/blueprint.xml` file to your Camel application with a similar configuration as below. The roles, security constraint mappings, and {project_name} adapter configuration might differ slightly depending on your environment and needs.
For example:
[source,xml]
----
<?xml version="1.0" encoding="UTF-8"?>
<blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:camel="http://camel.apache.org/schema/blueprint"
xsi:schemaLocation="
http://www.osgi.org/xmlns/blueprint/v1.0.0 http://www.osgi.org/xmlns/blueprint/v1.0.0/blueprint.xsd
http://camel.apache.org/schema/blueprint http://camel.apache.org/schema/blueprint/camel-blueprint.xsd">
<bean id="kcAdapterConfig" class="org.keycloak.representations.adapters.config.AdapterConfig">
<property name="realm" value="demo"/>
<property name="resource" value="admin-camel-endpoint"/>
<property name="bearerOnly" value="true"/>
<property name="authServerUrl" value="http://localhost:8080/auth" />
<property name="sslRequired" value="EXTERNAL"/>
</bean>
<bean id="keycloakAuthenticator" class="org.keycloak.adapters.jetty.KeycloakJettyAuthenticator">
<property name="adapterConfig" ref="kcAdapterConfig"/>
</bean>
<bean id="constraint" class="org.eclipse.jetty.util.security.Constraint">
<property name="name" value="Customers"/>
<property name="roles">
<list>
<value>admin</value>
</list>
</property>
<property name="authenticate" value="true"/>
<property name="dataConstraint" value="0"/>
</bean>
<bean id="constraintMapping" class="org.eclipse.jetty.security.ConstraintMapping">
<property name="constraint" ref="constraint"/>
<property name="pathSpec" value="/*"/>
</bean>
<bean id="securityHandler" class="org.eclipse.jetty.security.ConstraintSecurityHandler">
<property name="authenticator" ref="keycloakAuthenticator" />
<property name="constraintMappings">
<list>
<ref component-id="constraintMapping" />
</list>
</property>
<property name="authMethod" value="BASIC"/>
<property name="realmName" value="does-not-matter"/>
</bean>
<bean id="sessionHandler" class="org.keycloak.adapters.jetty.spi.WrappingSessionHandler">
<property name="handler" ref="securityHandler" />
</bean>
<bean id="helloProcessor" class="org.keycloak.example.CamelHelloProcessor" />
<camelContext id="blueprintContext"
trace="false"
xmlns="http://camel.apache.org/schema/blueprint">
<route id="httpBridge">
<from uri="jetty:http://0.0.0.0:8383/admin-camel-endpoint?handlers=sessionHandler&amp;matchOnUriPrefix=true" />
<process ref="helloProcessor" />
<log message="The message from camel endpoint contains ${body}"/>
</route>
</camelContext>
</blueprint>
----
* The `Import-Package` in `META-INF/MANIFEST.MF` needs to contain these imports:
[source, subs="attributes"]
----
javax.servlet;version="[3,4)",
javax.servlet.http;version="[3,4)",
org.apache.camel.*,
org.apache.camel;version="[2.13,3)",
org.eclipse.jetty.security;version="[8,10)",
org.eclipse.jetty.server.nio;version="[8,10)",
org.eclipse.jetty.util.security;version="[8,10)",
org.keycloak.*;version="{project_versionMvn}",
org.osgi.service.blueprint,
org.osgi.service.blueprint.container,
org.osgi.service.event,
----
===== Camel RestDSL
Camel RestDSL is a Camel feature used to define your REST endpoints in a fluent way. But you must still use specific implementation classes and provide instructions on how to integrate with {project_name}.
The way to configure the integration mechanism depends on the Camel component for which you configure your RestDSL-defined routes.
The following example shows how to configure integration using the Jetty component, with references to some of the beans defined in previous Blueprint example.
[source,xml]
----
<bean id="securityHandlerRest" class="org.eclipse.jetty.security.ConstraintSecurityHandler">
<property name="authenticator" ref="keycloakAuthenticator" />
<property name="constraintMappings">
<list>
<ref component-id="constraintMapping" />
</list>
</property>
<property name="authMethod" value="BASIC"/>
<property name="realmName" value="does-not-matter"/>
</bean>
<bean id="sessionHandlerRest" class="org.keycloak.adapters.jetty.spi.WrappingSessionHandler">
<property name="handler" ref="securityHandlerRest" />
</bean>
<camelContext id="blueprintContext"
trace="false"
xmlns="http://camel.apache.org/schema/blueprint">
<restConfiguration component="jetty" contextPath="/restdsl"
port="8484">
<!--the link with Keycloak security handlers happens here-->
<endpointProperty key="handlers" value="sessionHandlerRest"></endpointProperty>
<endpointProperty key="matchOnUriPrefix" value="true"></endpointProperty>
</restConfiguration>
<rest path="/hello" >
<description>Hello rest service</description>
<get uri="/{id}" outType="java.lang.String">
<description>Just an helllo</description>
<to uri="direct:justDirect" />
</get>
</rest>
<route id="justDirect">
<from uri="direct:justDirect"/>
<process ref="helloProcessor" />
<log message="RestDSL correctly invoked ${body}"/>
<setBody>
<constant>(__This second sentence is returned from a Camel RestDSL endpoint__)</constant>
</setBody>
</route>
</camelContext>
----