Add ACL Contacts XML sample

Closes gh-32

servlet/xml/java/contacts/src/main/resources/applicationContext-security.xml

@@ -0,0 +1,70 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  - Application context containing authentication, channel
+  - security and web URI beans.
+  -
+  - Only used by "filter" artifact.
+  -
+  -->
+
+<b:beans xmlns="http://www.springframework.org/schema/security"
+	xmlns:b="http://www.springframework.org/schema/beans"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd
+						http://www.springframework.org/schema/security https://www.springframework.org/schema/security/spring-security.xsd">
+
+	<global-method-security pre-post-annotations="enabled">
+		<expression-handler ref="expressionHandler"/>
+	</global-method-security>
+
+	<http realm="Contacts Realm" use-expressions="false">
+		<intercept-url pattern="/" access="IS_AUTHENTICATED_ANONYMOUSLY"/>
+		<intercept-url pattern="/index.jsp" access="IS_AUTHENTICATED_ANONYMOUSLY"/>
+		<intercept-url pattern="/hello.htm" access="IS_AUTHENTICATED_ANONYMOUSLY"/>
+		<intercept-url pattern="/login.jsp*" access="IS_AUTHENTICATED_ANONYMOUSLY"/>
+		<intercept-url pattern="/switchuser.jsp" access="ROLE_SUPERVISOR"/>
+		<intercept-url pattern="/login/impersonate" access="ROLE_SUPERVISOR"/>
+		<intercept-url pattern="/**" access="ROLE_USER"/>
+
+		<form-login login-page="/login.jsp" authentication-failure-url="/login.jsp?login_error=1"/>
+		<http-basic/>
+		<logout logout-success-url="/index.jsp"/>
+		<remember-me />
+		<headers/>
+		<csrf/>
+		<custom-filter ref="switchUserProcessingFilter" position="SWITCH_USER_FILTER"/>
+	</http>
+
+	<b:bean id="encoder" class="org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder"/>
+
+	<authentication-manager>
+		<authentication-provider>
+		   <password-encoder ref="encoder"/>
+		   <jdbc-user-service data-source-ref="dataSource"/>
+		</authentication-provider>
+	</authentication-manager>
+
+	<!-- Automatically receives AuthenticationEvent messages -->
+	<b:bean id="loggerListener" class="org.springframework.security.authentication.event.LoggerListener"/>
+
+	<!-- Filter used to switch the user context. Note: the switch and exit url must be secured
+		based on the role granted the ability to 'switch' to another user -->
+	<!-- In this example 'rod' has ROLE_SUPERVISOR that can switch to regular ROLE_USER(s) -->
+	<b:bean id="switchUserProcessingFilter" class="org.springframework.security.web.authentication.switchuser.SwitchUserFilter" autowire="byType">
+	   <b:property name="targetUrl" value="/secure/index.htm"/>
+	</b:bean>
+
+	<b:bean id="expressionHandler" class="org.springframework.security.access.expression.method.DefaultMethodSecurityExpressionHandler">
+		<b:property name="permissionEvaluator" ref="permissionEvaluator"/>
+		<b:property name="permissionCacheOptimizer">
+			<b:bean class="org.springframework.security.acls.AclPermissionCacheOptimizer">
+				<b:constructor-arg ref="aclService"/>
+			</b:bean>
+		</b:property>
+	</b:bean>
+
+	<b:bean id="permissionEvaluator" class="org.springframework.security.acls.AclPermissionEvaluator">
+		<b:constructor-arg ref="aclService"/>
+	</b:bean>
+
+</b:beans>