From 0485f5c43dca4fbb42a71c5c93f7ae893a84180e Mon Sep 17 00:00:00 2001
From: Paolo Antinori <pantinor@redhat.com>
Date: Fri, 7 Oct 2016 14:41:57 +0200
Subject: [PATCH] KEYCLOAK-3678 - Fuse examples, added Camel RestDSL

---
 .../OSGI-INF/blueprint/blueprint.xml          | 47 ++++++++++++++++++-
 .../org/keycloak/example/CamelClient.java     | 39 ++++++++++++---
 examples/fuse/demorealm.json                  |  7 +++
 examples/fuse/pom.xml                         |  2 +-
 4 files changed, 86 insertions(+), 9 deletions(-)

diff --git a/examples/fuse/camel/src/main/resources/OSGI-INF/blueprint/blueprint.xml b/examples/fuse/camel/src/main/resources/OSGI-INF/blueprint/blueprint.xml
index 698fdd05cf..506adaa428 100644
--- a/examples/fuse/camel/src/main/resources/OSGI-INF/blueprint/blueprint.xml
+++ b/examples/fuse/camel/src/main/resources/OSGI-INF/blueprint/blueprint.xml
@@ -18,9 +18,10 @@
 
 <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">
+       http://camel.apache.org/schema/blueprint http://camel.apache.org/schema/blueprint/camel-blueprint-2.17.1.xsd">
 
     <bean id="kcAdapterConfig" class="org.keycloak.representations.adapters.config.AdapterConfig">
         <property name="realm" value="demo"/>
@@ -61,20 +62,64 @@
         <property name="realmName" value="does-not-matter"/>
     </bean>
 
+    <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>
+
+    <!--we need 2 independent instance of sessionHandler, since jetty will try to start both-->
     <bean id="sessionHandler" class="org.keycloak.adapters.jetty.spi.WrappingSessionHandler">
         <property name="handler" ref="securityHandler" />
     </bean>
+    <bean id="sessionHandlerRest" class="org.keycloak.adapters.jetty.spi.WrappingSessionHandler">
+        <property name="handler" ref="securityHandlerRest" />
+    </bean>
 
     <bean id="helloProcessor" class="org.keycloak.example.CamelHelloProcessor" />
 
     <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>
+
+
         <route id="httpBridge">
+            <!--note that we are passing to the endoint the security handlers we have defined above-->
             <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>
\ No newline at end of file
diff --git a/examples/fuse/customer-app-fuse/src/main/java/org/keycloak/example/CamelClient.java b/examples/fuse/customer-app-fuse/src/main/java/org/keycloak/example/CamelClient.java
index 00499e0bd9..ae2eea708f 100644
--- a/examples/fuse/customer-app-fuse/src/main/java/org/keycloak/example/CamelClient.java
+++ b/examples/fuse/customer-app-fuse/src/main/java/org/keycloak/example/CamelClient.java
@@ -17,6 +17,13 @@
 
 package org.keycloak.example;
 
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+
+import javax.servlet.http.HttpServletRequest;
+
 import org.apache.http.HttpEntity;
 import org.apache.http.HttpResponse;
 import org.apache.http.client.HttpClient;
@@ -24,12 +31,6 @@ import org.apache.http.client.methods.HttpGet;
 import org.keycloak.KeycloakSecurityContext;
 import org.keycloak.adapters.HttpClientBuilder;
 
-import javax.servlet.http.HttpServletRequest;
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-
 /**
  * @author <a href="mailto:mposolda@redhat.com">Marek Posolda</a>
  */
@@ -40,7 +41,10 @@ public class CamelClient {
 
         HttpClient client = new HttpClientBuilder()
                 .disableTrustManager().build();
+
+        StringBuilder sb = new StringBuilder();
         try {
+            // Initially let's invoke a simple Camel-Jetty exposed endpoint
             HttpGet get = new HttpGet("http://localhost:8383/admin-camel-endpoint");
             get.addHeader("Authorization", "Bearer " + session.getTokenString());
             try {
@@ -52,7 +56,26 @@ public class CamelClient {
                 HttpEntity entity = response.getEntity();
                 InputStream is = entity.getContent();
                 try {
-                    return getStringFromInputStream(is);
+                    sb.append(getStringFromInputStream(is));
+                } finally {
+                    is.close();
+                }
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
+            // Here we invoke a Jetty endpoint, published using Camel RestDSL
+            get = new HttpGet("http://localhost:8484/restdsl/hello/world");
+            get.addHeader("Authorization", "Bearer " + session.getTokenString());
+            try {
+                HttpResponse response = client.execute(get);
+                if (response.getStatusLine().getStatusCode() != 200) {
+                    return "There was a failure processing request with the RestDSL endpoint.  You either didn't configure Keycloak properly or you don't have admin permission? Status code is "
+                            + response.getStatusLine().getStatusCode();
+                }
+                HttpEntity entity = response.getEntity();
+                InputStream is = entity.getContent();
+                try {
+                    sb.append(getStringFromInputStream(is));
                 } finally {
                     is.close();
                 }
@@ -62,6 +85,8 @@ public class CamelClient {
         } finally {
             client.getConnectionManager().shutdown();
         }
+
+        return sb.toString();
     }
 
     private static String getStringFromInputStream(InputStream is) {
diff --git a/examples/fuse/demorealm.json b/examples/fuse/demorealm.json
index d8a02a8eae..87bdbca36f 100644
--- a/examples/fuse/demorealm.json
+++ b/examples/fuse/demorealm.json
@@ -230,6 +230,13 @@
             "baseUrl": "http://localhost:8383/admin-camel-endpoint",
             "bearerOnly": true
         },
+        {
+            "clientId": "admin-camel-restdsl",
+            "enabled": true,
+            "adminUrl": "http://localhost:8484/restdsl",
+            "baseUrl": "http://localhost:8484/restdsl",
+            "bearerOnly": true
+        },
         {
             "clientId": "ssh-jmx-admin-client",
             "enabled": true,
diff --git a/examples/fuse/pom.xml b/examples/fuse/pom.xml
index 7d3a23a3e8..7212a13eb6 100755
--- a/examples/fuse/pom.xml
+++ b/examples/fuse/pom.xml
@@ -30,7 +30,7 @@
     <artifactId>keycloak-examples-fuse-parent</artifactId>
     <packaging>pom</packaging>
     <properties>
-        <camel.version>2.16.1</camel.version>
+        <camel.version>2.17.0</camel.version>
     </properties>
     <modules>
         <module>customer-app-fuse</module>