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commit 9f482d3a45321f69cca202a51b6e65607fd25de4
Author: Roberto Cortez <radcor...@yahoo.com>
AuthorDate: Wed Jan 16 18:47:17 2019 +0000

    TOMEE-2365 - Implemented RememberMeInterceptor.
---
 .../tomee/security/cdi/RememberMeInterceptor.java  | 151 +++++++++++++++++++++
 .../tomee/security/cdi/TomEESecurityExtension.java |   1 +
 2 files changed, 152 insertions(+)

diff --git 
a/tomee/tomee-security/src/main/java/org/apache/tomee/security/cdi/RememberMeInterceptor.java
 
b/tomee/tomee-security/src/main/java/org/apache/tomee/security/cdi/RememberMeInterceptor.java
new file mode 100644
index 0000000..c8a1600
--- /dev/null
+++ 
b/tomee/tomee-security/src/main/java/org/apache/tomee/security/cdi/RememberMeInterceptor.java
@@ -0,0 +1,151 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF 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
+ *
+ *     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.
+ */
+package org.apache.tomee.security.cdi;
+
+import javax.annotation.Priority;
+import javax.enterprise.inject.Instance;
+import javax.enterprise.inject.Intercepted;
+import javax.enterprise.inject.spi.Bean;
+import javax.inject.Inject;
+import javax.interceptor.AroundInvoke;
+import javax.interceptor.Interceptor;
+import javax.interceptor.InvocationContext;
+import javax.security.enterprise.AuthenticationStatus;
+import javax.security.enterprise.CallerPrincipal;
+import 
javax.security.enterprise.authentication.mechanism.http.HttpMessageContext;
+import javax.security.enterprise.authentication.mechanism.http.RememberMe;
+import javax.security.enterprise.credential.RememberMeCredential;
+import javax.security.enterprise.identitystore.CredentialValidationResult;
+import javax.security.enterprise.identitystore.RememberMeIdentityStore;
+import javax.servlet.http.Cookie;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.util.Arrays;
+import java.util.Optional;
+import java.util.Set;
+
+import static javax.interceptor.Interceptor.Priority.PLATFORM_BEFORE;
+import static javax.security.enterprise.AuthenticationStatus.SUCCESS;
+import static 
javax.security.enterprise.identitystore.CredentialValidationResult.Status.VALID;
+
+@RememberMe
+@Interceptor
+@Priority(PLATFORM_BEFORE + 210)
+public class RememberMeInterceptor {
+    @Inject
+    @Intercepted
+    private Bean<?> httpMechanismBean;
+
+    @Inject
+    private Instance<RememberMeIdentityStore> rememberMeIdentityStore;
+
+    @AroundInvoke
+    public Object intercept(final InvocationContext invocationContext) throws 
Exception {
+        if (invocationContext.getMethod().getName().equals("validateRequest") 
&&
+            Arrays.equals(invocationContext.getMethod().getParameterTypes(), 
new Class<?>[]{
+                    HttpServletRequest.class,
+                    HttpServletResponse.class,
+                    HttpMessageContext.class
+            })) {
+
+            if (rememberMeIdentityStore.isUnsatisfied()) {
+                throw new IllegalStateException("RememberMe annotated 
AuthenticationMechanism  " +
+                                                
httpMechanismBean.getBeanClass() +
+                                                " required an implementation 
of RememberMeIndentityStore");
+            }
+
+            if (rememberMeIdentityStore.isAmbiguous()) {
+                throw new IllegalStateException(
+                        "Multiple implementations of RememberMeIndentityStore 
found. Only one should be supplied.");
+            }
+
+            return validateRequest(invocationContext);
+        }
+
+        if (invocationContext.getMethod().getName().equals("cleanSubject") &&
+            Arrays.equals(invocationContext.getMethod().getParameterTypes(), 
new Class<?>[]{
+                    HttpServletRequest.class,
+                    HttpServletResponse.class,
+                    HttpMessageContext.class
+            })) {
+            cleanSubject(invocationContext);
+        }
+
+        return invocationContext.proceed();
+    }
+
+    private AuthenticationStatus validateRequest(final InvocationContext 
invocationContext) throws Exception {
+        final HttpMessageContext httpMessageContext = (HttpMessageContext) 
invocationContext.getParameters()[2];
+
+        final RememberMe rememberMe = getRememberMe();
+        final Optional<Cookie> cookie = 
getCookie(httpMessageContext.getRequest(), rememberMe.cookieName());
+
+        if (cookie.isPresent()) {
+            final RememberMeCredential rememberMeCredential = new 
RememberMeCredential(cookie.get().getValue());
+            final CredentialValidationResult validate = 
rememberMeIdentityStore.get().validate(rememberMeCredential);
+
+            if (VALID.equals(validate.getStatus())) {
+                return httpMessageContext.notifyContainerAboutLogin(validate);
+            } else {
+                cookie.get().setMaxAge(0);
+                httpMessageContext.getResponse().addCookie(cookie.get());
+            }
+        }
+
+        final AuthenticationStatus status = (AuthenticationStatus) 
invocationContext.proceed();
+
+        if (SUCCESS.equals(status) && rememberMe.isRememberMe()) {
+            final CallerPrincipal principal = new 
CallerPrincipal(httpMessageContext.getCallerPrincipal().getName());
+            final Set<String> groups = httpMessageContext.getGroups();
+            final String loginToken = 
rememberMeIdentityStore.get().generateLoginToken(principal, groups);
+
+            final Cookie rememberMeCookie = new 
Cookie(rememberMe.cookieName(), loginToken);
+            rememberMeCookie.setMaxAge(rememberMe.cookieMaxAgeSeconds());
+            rememberMeCookie.setHttpOnly(rememberMe.cookieHttpOnly());
+            rememberMeCookie.setSecure(rememberMe.cookieSecureOnly());
+            httpMessageContext.getResponse().addCookie(rememberMeCookie);
+        }
+
+        return status;
+    }
+
+    private void cleanSubject(final InvocationContext invocationContext) 
throws Exception {
+        final HttpMessageContext httpMessageContext = (HttpMessageContext) 
invocationContext.getParameters()[2];
+
+        final RememberMe rememberMe = getRememberMe();
+        getCookie(httpMessageContext.getRequest(), rememberMe.cookieName())
+                .ifPresent(cookie -> {
+                    
rememberMeIdentityStore.get().removeLoginToken(cookie.getValue());
+
+                    cookie.setMaxAge(0);
+                    httpMessageContext.getResponse().addCookie(cookie);
+                });
+
+        invocationContext.proceed();
+    }
+
+    private Optional<Cookie> getCookie(final HttpServletRequest request, final 
String name) {
+        return Arrays.stream(request.getCookies())
+                     .filter(c -> c.getName().equals(name))
+                     .findFirst();
+    }
+
+    private RememberMe getRememberMe() {
+        return 
Optional.ofNullable(httpMechanismBean.getBeanClass().getAnnotation(RememberMe.class))
+                       .orElseThrow(IllegalStateException::new);
+    }
+}
diff --git 
a/tomee/tomee-security/src/main/java/org/apache/tomee/security/cdi/TomEESecurityExtension.java
 
b/tomee/tomee-security/src/main/java/org/apache/tomee/security/cdi/TomEESecurityExtension.java
index 092bcff..d619d60 100644
--- 
a/tomee/tomee-security/src/main/java/org/apache/tomee/security/cdi/TomEESecurityExtension.java
+++ 
b/tomee/tomee-security/src/main/java/org/apache/tomee/security/cdi/TomEESecurityExtension.java
@@ -55,6 +55,7 @@ public class TomEESecurityExtension implements Extension {
         
beforeBeanDiscovery.addAnnotatedType(beanManager.createAnnotatedType(TomEEIdentityStoreHandler.class));
 
         
beforeBeanDiscovery.addAnnotatedType(beanManager.createAnnotatedType(AutoApplySessionInterceptor.class));
+        
beforeBeanDiscovery.addAnnotatedType(beanManager.createAnnotatedType(RememberMeInterceptor.class));
         
beforeBeanDiscovery.addAnnotatedType(beanManager.createAnnotatedType(LoginToContinueInterceptor.class));
 
         
beforeBeanDiscovery.addAnnotatedType(beanManager.createAnnotatedType(TomEESecurityContext.class));

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