Projet Socle ENT

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Rappel - ProxyCAS

Le ProxyCas classique nécessite que le service cible soit cassifié. 

...

Pour uPortal, nous vous référons à cette documentations : https://wiki.jasig.org/display/UPM40/Caching+and+Re-playing+Credentials

Blocs des configs uPortal pour prise en compte du clearPass

-> Git diff depuis ... et nous vous donnons un exemple de configuration ; diff git issu d' un Esup-uPortal 4.15 :

Bloc de code
languagediff
diff --git a/uportal-war/src/main/resources/properties/contexts/portletContainerContext.xml b/uportal-war/src/main/resources/properties/contexts/portletContainerContext.xml
index 5b51eeb..d97e3f8 100644
--- a/uportal-war/src/main/resources/properties/contexts/portletContainerContext.xml
+++ b/uportal-war/src/main/resources/properties/contexts/portletContainerContext.xml
@@ -114,10 +114,10 @@
      | NOTE:  Other configuration is also needed to obtain and cache the user's password so this bean can provide it.
      | See the uPortal manual https://wiki.jasig.org/display/UPM40/Caching+and+Re-playing+Credentials.
      -->
-    <!--bean id="cachedPasswordUserInfoService"
+    <bean id="cachedPasswordUserInfoService"
         class="org.jasig.portal.portlet.container.services.CachedPasswordUserInfoService">
         <property name="decryptPassword" value="false"/>
-    </bean-->
+    </bean>
     
     <bean id="portalAdministrationService" class="org.apache.pluto.driver.container.DefaultPortalAdministrationService">
        <property name="administrativeRequestListeners">
diff --git a/uportal-war/src/main/resources/properties/portal.properties b/uportal-war/src/main/resources/properties/portal.properties
index f1b4028..16ded0c 100644
--- a/uportal-war/src/main/resources/properties/portal.properties
+++ b/uportal-war/src/main/resources/properties/portal.properties
@@ -457,7 +457,7 @@ org.jasig.portal.portlets.googleWebSearch.search.result.type=googleCustom
 ## PORTAL_HOME (see applicationContext.xml).  This is used to encrypt the user's password stored in-memory in the
 ## security context so malicious code or a hacker is less likely to obtain user's credentials.
 ##
-org.jasig.portal.portlets.passwordEncryptionKey=changeme
+org.jasig.portal.portlets.passwordEncryptionKey=esup_changeme_encryption-key
 
 ##
 ## Duration in milliseconds between attempts to retrieve the user's password from CAS ClearPass (if enabled).
diff --git a/uportal-war/src/main/resources/properties/security.properties b/uportal-war/src/main/resources/properties/security.properties
index 19aef54..60b64a7 100644
--- a/uportal-war/src/main/resources/properties/security.properties
+++ b/uportal-war/src/main/resources/properties/security.properties
@@ -46,8 +46,8 @@
 ## This is the factory that supplies the concrete authentication class
 root=org.jasig.portal.security.provider.UnionSecurityContextFactory
-root.cas=org.jasig.portal.security.provider.cas.CasAssertionSecurityContextFactory
+root.cas=org.jasig.portal.security.provider.cas.clearpass.PasswordCachingCasAssertionSecurityContextFactory
 root.simple=org.jasig.portal.security.provider.SimpleSecurityContextFactory
 
 ## principalToken and crednetialToken declare what tokens 
@@ -95,7 +95,7 @@ authorizationProvider=org.jasig.portal.security.provider.AuthorizationServiceFac
 org.jasig.portal.channels.CLogin.CasLoginUrl=https://cas.univ-ville.fr/login
 
 ## URL of the CAS clearPass password service
-#org.jasig.portal.security.provider.cas.clearpass.PasswordCachingCasAssertionSecurityContextFactory.clearPassCasUrl==${environment.build.cas.protocol}://${environment.build.cas.server}${environment.build.cas.context}/clearPass
+org.jasig.portal.security.provider.cas.clearpass.PasswordCachingCasAssertionSecurityContextFactory.clearPassCasUrl=https://cas.univ-ville.fr/clearPass
 
 ##
 ##  Local Only Authentication

 

Blocs des configs Jasi-CAS pour mise en place de l'extension clearPass

Ce diff correspond à la mise en place de l'extension clearPass sur un CAS 3.5.2.1 et configuré initialement en utilisant Memcached pour stocker les tickets CAS.
De fait on configure ici clearPass en utilisant Memcached pour stocket les passwords.
Bloc de code
languagediff
diff --git a/.project b/.project
index d9361f4..f8771ca 100644
--- a/.project
+++ b/.project
@@ -11,19 +11,13 @@
 			</arguments>
 		</buildCommand>
 		<buildCommand>
-			<name>org.maven.ide.eclipse.maven2Builder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-		<buildCommand>
 			<name>org.eclipse.m2e.core.maven2Builder</name>
 			<arguments>
 			</arguments>
 		</buildCommand>
 	</buildSpec>
 	<natures>
-		<nature>org.eclipse.m2e.core.maven2Nature</nature>
 		<nature>org.eclipse.jdt.core.javanature</nature>
-		<nature>org.maven.ide.eclipse.maven2Nature</nature>
+		<nature>org.eclipse.m2e.core.maven2Nature</nature>
 	</natures>
 </projectDescription>
diff --git a/cas-server-webapp/pom.xml b/cas-server-webapp/pom.xml
index 22d2903..f3d8329 100644
--- a/cas-server-webapp/pom.xml
+++ b/cas-server-webapp/pom.xml
@@ -203,7 +203,15 @@
         <artifactId>cas-server-integration-memcached</artifactId>
         <version>${project.version}</version>
         <type>jar</type>
-    </dependency>    
+    </dependency>
+
+    <dependency>
+        <groupId>org.jasig.cas</groupId>
+        <artifactId>cas-server-extension-clearpass</artifactId>
+        <version>${project.version}</version>
+        <type>jar</type>
+    </dependency>
+    
     
   </dependencies>
 
diff --git a/cas-server-webapp/src/main/webapp/WEB-INF/deployerConfigContext.xml b/cas-server-webapp/src/main/webapp/WEB-INF/deployerConfigContext.xml
index a03381b..1d1f5a5 100644
--- a/cas-server-webapp/src/main/webapp/WEB-INF/deployerConfigContext.xml
+++ b/cas-server-webapp/src/main/webapp/WEB-INF/deployerConfigContext.xml
@@ -53,7 +53,7 @@
 		class="org.jasig.cas.authentication.AuthenticationManagerImpl">
 		
 		<!-- Uncomment the metadata populator to allow clearpass to capture and cache the password
-		     This switch effectively will turn on clearpass.
+		     This switch effectively will turn on clearpass. -->
 		<property name="authenticationMetaDataPopulators">
 		   <list>
 		      <bean class="org.jasig.cas.extension.clearpass.CacheCredentialsMetaDataPopulator">
@@ -61,7 +61,6 @@
 		      </bean>
 		   </list>
 		</property>
-		 -->
 		
 		<!--
 			| This is the List of CredentialToPrincipalResolvers that identify what Principal is trying to authenticate.
@@ -269,4 +268,21 @@
       </list>
     </property>
   </bean>
+
+
+  <bean id="clearPassProxyList" class="org.jasig.cas.client.validation.ProxyList">
+      <constructor-arg>
+          <list>
+              <value>https://ent.univ-ville.fr/uPortal/CasProxyServlet</value>          
+              <value>https://ent1.univ-ville.fr/uPortal/CasProxyServlet</value>
+              <value>https://ent2.univ-ville.fr/uPortal/CasProxyServlet</value>
+              <value>https://ent3.univ-ville.fr/uPortal/CasProxyServlet</value>
+              <value>https://ent4.univ-ville.fr/uPortal/CasProxyServlet</value>                            
+          </list>
+      </constructor-arg>
+  </bean>
+
+  
 </beans>
diff --git a/cas-server-webapp/src/main/webapp/WEB-INF/spring-configuration/clearpass-configuration.xml b/cas-server-webapp/src/main/webapp/WEB-INF/spring-configuration/clearpass-configuration.xml
new file mode 100644
index 0000000..3afb508
--- /dev/null
+++ b/cas-server-webapp/src/main/webapp/WEB-INF/spring-configuration/clearpass-configuration.xml
@@ -0,0 +1,116 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    Licensed to Jasig under one or more contributor license
+    agreements. See the NOTICE file distributed with this work
+    for additional information regarding copyright ownership.
+    Jasig licenses this file to you under the Apache License,
+    Version 2.0 (the "License"); you may not use this file
+    except in compliance with the License.  You may obtain a
+    copy of the License at the following location:
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
+<beans xmlns="http://www.springframework.org/schema/beans"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xmlns:p="http://www.springframework.org/schema/p"
+       xmlns:sec="http://www.springframework.org/schema/security"
+       xmlns:util="http://www.springframework.org/schema/util"
+       xsi:schemaLocation="
+       http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util.xsd
+       http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
+       http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security-3.1.xsd">
+
+
+    <bean id="CPserialTranscoder" class="net.spy.memcached.transcoders.SerializingTranscoder"
+              p:compressionThreshold="2048" />
+
+    <bean id="credentialsCache" class="net.spy.memcached.CacheMap">
+        <constructor-arg index="0">
+            <bean class="net.spy.memcached.spring.MemcachedClientFactoryBean"
+                  p:servers="localhost:11211"
+                  p:protocol="BINARY"
+                  p:locatorType="ARRAY_MOD"
+                  p:failureMode="Redistribute"
+                  p:transcoder-ref="CPserialTranscoder">
+                <property name="hashAlg">
+                    <util:constant static-field="net.spy.memcached.DefaultHashAlgorithm.FNV1A_64_HASH" />
+                </property>
+            </bean>
+        </constructor-arg>
+        <constructor-arg index="1" value="7200" /> <!-- this is the timeout for the cache in seconds -->
+        <constructor-arg index="2" value="clearPass_" /> <!-- this is the prefix for the keys stored in the map -->
+    </bean>
+
+    
+    <!--
+        NOTE:
+        Name of delegated ticket registry bean in ticketRegistry.xml must be "ticketRegistryValue."
+    -->
+    <bean id="ticketRegistry" class="org.jasig.cas.extension.clearpass.TicketRegistryDecorator">
+        <constructor-arg index="0" ref="ticketRegistryValue"/>
+        <constructor-arg index="1" ref="credentialsCache"/>
+    </bean>
+    
+
+  <!-- implementation of the clear pass vending service -->
+  <bean id="clearPassController" class="org.jasig.cas.extension.clearpass.ClearPassController">
+    <constructor-arg index="0" ref="credentialsCache"/>
+  </bean>
+
+  <bean id="handlerMappingClearPass" class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping"
+        p:alwaysUseFullPath="true">
+    <property name="mappings">
+      <props>
+        <prop key="/clearPass">
+          clearPassController
+        </prop>
+      </props>
+    </property>
+  </bean>
+
+  <!-- Security configuration -->
+  <bean id="clearPassFilterChainProxy" class="org.springframework.security.web.FilterChainProxy">
+    <sec:filter-chain-map request-matcher="ant">
+      <sec:filter-chain pattern="/clearPass"
+                        filters="casValidationFilter,httpServletRequestWrappingFilter"/>
+    </sec:filter-chain-map>
+  </bean>
+  <!-- NOTE:
+	 It is dangerous to include a non-proxied CAS Filter for protecting /clearPass. Non-proxied CAS Filters
+	 like AuthenticationFilter don't honor the Filter chain proxy protection mechanism and, worse yet, allow access to the
+	 logged on user's cleartext password. It could be useful to enable this bean for easy testing of clearPass functionality however.-->
+   <!--
+  <bean id="casAuthenticationFilter" class="org.jasig.cas.client.authentication.AuthenticationFilter">
+    <property name="casServerLoginUrl" value="${cas.securityContext.casProcessingFilterEntryPoint.loginUrl}"/>
+    <property name="serverName" value="${server.name}"/>
+  </bean>
+  -->
+  <!--
+    NOTE:
+    A bean named clearPassProxyList must be defined in deployerConfigContext.xml that defines
+    the list of proxying services authorized to obtain clearpass credentials.
+  -->
+  <bean id="casValidationFilter" class="org.jasig.cas.client.validation.Cas20ProxyReceivingTicketValidationFilter">
+    <property name="serverName" value="${server.name}"/>
+    <property name="exceptionOnValidationFailure" value="false"/>
+    <property name="useSession" value="true"/>
+    <property name="ticketValidator">
+      <bean class="org.jasig.cas.client.validation.Cas20ProxyTicketValidator">
+        <constructor-arg index="0" value="${server.prefix}" />
+        <property name="allowedProxyChains" ref="clearPassProxyList" />
+      </bean>
+    </property>
+  </bean>
+
+  <bean id="httpServletRequestWrappingFilter" class="org.jasig.cas.client.util.HttpServletRequestWrapperFilter"/>
+
+</beans>
diff --git a/cas-server-webapp/src/main/webapp/WEB-INF/web.xml b/cas-server-webapp/src/main/webapp/WEB-INF/web.xml
index 642feb2..ed8ae29 100644
--- a/cas-server-webapp/src/main/webapp/WEB-INF/web.xml
+++ b/cas-server-webapp/src/main/webapp/WEB-INF/web.xml
@@ -55,6 +55,17 @@
     <url-pattern>/services/*</url-pattern>
   </filter-mapping>
 
+
+  <filter>
+      <filter-name>clearPassFilterChainProxy</filter-name>
+      <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
+  </filter>  
+  <filter-mapping>
+      <filter-name>clearPassFilterChainProxy</filter-name>
+      <url-pattern>/clearPass</url-pattern>
+  </filter-mapping>
+
+  
   <filter>
     <filter-name>characterEncodingFilter</filter-name>
     <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
@@ -213,7 +224,12 @@
       <servlet-name>cas</servlet-name>
       <url-pattern>/clearauth</url-pattern>
   </servlet-mapping>
-      
+
+  <servlet-mapping>
+      <servlet-name>cas</servlet-name>
+      <url-pattern>/clearPass</url-pattern>
+  </servlet-mapping>
+
   <session-config>
     <!-- Default to 5 minute session timeouts -->
     <session-timeout>5</session-timeout>