Source Code Cross Referenced for AutoConfigBeanDefinitionParser.java in  » Security » acegi-security » org » acegisecurity » config » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Security » acegi security » org.acegisecurity.config 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * 
003:         */package org.acegisecurity.config;
004:
005:        import java.util.ArrayList;
006:        import java.util.HashMap;
007:        import java.util.List;
008:        import java.util.Map;
009:
010:        import org.acegisecurity.annotation.SecurityAnnotationAttributes;
011:        import org.acegisecurity.intercept.method.MethodDefinitionAttributes;
012:        import org.acegisecurity.intercept.method.aopalliance.MethodDefinitionSourceAdvisor;
013:        import org.acegisecurity.intercept.method.aopalliance.MethodSecurityInterceptor;
014:        import org.acegisecurity.intercept.web.FilterInvocationDefinitionDecorator;
015:        import org.acegisecurity.intercept.web.FilterInvocationDefinitionSourceMapping;
016:        import org.acegisecurity.intercept.web.FilterSecurityInterceptor;
017:        import org.acegisecurity.intercept.web.PathBasedFilterInvocationDefinitionMap;
018:        import org.acegisecurity.runas.RunAsManagerImpl;
019:        import org.acegisecurity.userdetails.memory.InMemoryDaoImpl;
020:        import org.acegisecurity.util.BeanDefinitionParserUtils;
021:        import org.acegisecurity.vote.AffirmativeBased;
022:        import org.acegisecurity.vote.AuthenticatedVoter;
023:        import org.acegisecurity.vote.RoleVoter;
024:        import org.acegisecurity.vote.UnanimousBased;
025:        import org.acegisecurity.wrapper.SecurityContextHolderAwareRequestFilter;
026:        import org.springframework.aop.framework.autoproxy.DefaultAdvisorAutoProxyCreator;
027:        import org.springframework.beans.factory.config.BeanDefinition;
028:        import org.springframework.beans.factory.support.ManagedList;
029:        import org.springframework.beans.factory.support.RootBeanDefinition;
030:        import org.springframework.beans.factory.xml.BeanDefinitionParser;
031:        import org.springframework.beans.factory.xml.ParserContext;
032:        import org.springframework.util.xml.DomUtils;
033:        import org.w3c.dom.Element;
034:
035:        /**
036:         * Parses 'autoconfig' tag and creates all the required
037:         * <code>BeanDefinition</code>s with their default configurations. It also
038:         * resolves their dependencies and wire them together.
039:         * 
040:         * @author Vishal Puri
041:         * 
042:         */
043:        public class AutoConfigBeanDefinitionParser implements 
044:                BeanDefinitionParser {
045:
046:            // ~ instance fields
047:            // ================================================================================================
048:
049:            private RootBeanDefinition authenticationManager;
050:
051:            private RootBeanDefinition rememberMeServices;
052:
053:            private ManagedList decisionVoters = new ManagedList();
054:
055:            // ~ Method
056:            // ================================================================================================
057:
058:            public BeanDefinition parse(Element element,
059:                    ParserContext parserContext) {
060:                // authentication manager
061:                this .authenticationManager = AuthenticationMechanismBeanDefinitionParser
062:                        .createAndRegisterBeanDefinitionWithDefaults(parserContext);
063:                // remembermeServices
064:                this .rememberMeServices = RememberMeServicesBeanDefinitionParser
065:                        .createAndRegisterBeanDefintionWithDefaults(parserContext);
066:                // flters
067:                createAndRegisterBeanDefinitionForHttpSessionContextIntegrationFilter(parserContext);
068:                createAndRegisterBeanDefinitionForLogoutFilter(parserContext,
069:                        rememberMeServices);
070:                createAndRegisterBeanDefinitionForAuthenticationProcessingFilter(
071:                        parserContext, authenticationManager,
072:                        rememberMeServices);
073:                createAndRegisterBeanDefinitionForRememberMeProcessingFilter(
074:                        parserContext, authenticationManager);
075:                createAndRegisterBeanDefinitionForExceptionTranslationFilter(parserContext);
076:                createAndRegisterBeanDefintionForSecurityContextHolderAwareRequestFilter(parserContext);
077:
078:                // method interceptor
079:                createAndRegisterBeanDefinitinoForMethodDefinitionSourceAdvisor(
080:                        parserContext, authenticationManager);
081:                createAndRegisterDefaultAdvisorAutoProxyCreator(parserContext);
082:
083:                // filter security interceptor
084:                createAndRegisterBeanDefinitionForFilterSecurityInterceptor(
085:                        parserContext, authenticationManager);
086:
087:                // create userDetailsService
088:                return null;
089:            }
090:
091:            private void createAndRegisterBeanDefintionForSecurityContextHolderAwareRequestFilter(
092:                    ParserContext parserContext) {
093:                RootBeanDefinition beanDefinition = new RootBeanDefinition(
094:                        SecurityContextHolderAwareRequestFilter.class);
095:                BeanDefinitionParserUtils.registerBeanDefinition(parserContext,
096:                        beanDefinition);
097:            }
098:
099:            /**
100:             * Creates <code>FilterSecurityInterceptor</code> bean definition and
101:             * register it with the <code>ParserContext</code>
102:             * 
103:             * @param parserContext To register the bean definition with
104:             * @param authenticationManager The <code>AuthenticationManager</code> to
105:             * set as a property in the bean definition
106:             */
107:            private void createAndRegisterBeanDefinitionForFilterSecurityInterceptor(
108:                    ParserContext parserContext,
109:                    RootBeanDefinition authenticationManager) {
110:                RootBeanDefinition filterInvocationInterceptor = new RootBeanDefinition(
111:                        FilterSecurityInterceptor.class);
112:                filterInvocationInterceptor.getPropertyValues()
113:                        .addPropertyValue("authenticationManager",
114:                                authenticationManager);
115:                RootBeanDefinition accessDecisionManager = createAccessDecisionManagerAffirmativeBased();
116:                filterInvocationInterceptor.getPropertyValues()
117:                        .addPropertyValue("accessDecisionManager",
118:                                accessDecisionManager);
119:
120:                FilterInvocationDefinitionDecorator source = new FilterInvocationDefinitionDecorator();
121:                source
122:                        .setDecorated(new PathBasedFilterInvocationDefinitionMap());
123:
124:                FilterInvocationDefinitionSourceMapping mapping = new FilterInvocationDefinitionSourceMapping();
125:
126:                String url1 = "/acegilogin.jsp";
127:                String value1 = "IS_AUTHENTICATED_ANONYMOUSLY";
128:
129:                String url2 = "/**";
130:                String value2 = "IS_AUTHENTICATED_REMEMBERED";
131:
132:                mapping.setUrl(url1);
133:                mapping.addConfigAttribute(value1);
134:
135:                mapping.setUrl(url2);
136:                mapping.addConfigAttribute(value2);
137:
138:                List mappings = new ArrayList();
139:                mappings.add(mapping);
140:                source.setMappings(mappings);
141:                filterInvocationInterceptor.getPropertyValues()
142:                        .addPropertyValue("objectDefinitionSource",
143:                                source.getDecorated());
144:                BeanDefinitionParserUtils.registerBeanDefinition(parserContext,
145:                        filterInvocationInterceptor);
146:            }
147:
148:            private RootBeanDefinition createAccessDecisionManagerAffirmativeBased() {
149:                RootBeanDefinition accessDecisionManager = new RootBeanDefinition(
150:                        AffirmativeBased.class);
151:                accessDecisionManager.getPropertyValues().addPropertyValue(
152:                        "allowIfAllAbstainDecisions", Boolean.FALSE);
153:                RootBeanDefinition authenticatedVoter = new RootBeanDefinition(
154:                        AuthenticatedVoter.class);
155:                this .decisionVoters.add(authenticatedVoter);
156:                accessDecisionManager.getPropertyValues().addPropertyValue(
157:                        "decisionVoters", decisionVoters);
158:                return accessDecisionManager;
159:            }
160:
161:            private void createAndRegisterDefaultAdvisorAutoProxyCreator(
162:                    ParserContext parserContext) {
163:                BeanDefinitionParserUtils.registerBeanDefinition(parserContext,
164:                        new RootBeanDefinition(
165:                                DefaultAdvisorAutoProxyCreator.class));
166:            }
167:
168:            private void createAndRegisterBeanDefinitinoForMethodDefinitionSourceAdvisor(
169:                    ParserContext parserContext,
170:                    RootBeanDefinition authenticationManager) {
171:                RootBeanDefinition methodSecurityAdvisor = new RootBeanDefinition(
172:                        MethodDefinitionSourceAdvisor.class);
173:
174:                RootBeanDefinition securityInterceptor = createMethodSecurityInterceptor(authenticationManager);
175:                methodSecurityAdvisor.getConstructorArgumentValues()
176:                        .addIndexedArgumentValue(0, securityInterceptor);
177:                BeanDefinitionParserUtils.registerBeanDefinition(parserContext,
178:                        methodSecurityAdvisor);
179:
180:            }
181:
182:            private RootBeanDefinition createAccessDecisionManagerUnanimousBased() {
183:                RootBeanDefinition accessDecisionManager = new RootBeanDefinition(
184:                        UnanimousBased.class);
185:                accessDecisionManager.getPropertyValues().addPropertyValue(
186:                        "allowIfAllAbstainDecisions", Boolean.FALSE);
187:                decisionVoters.add(new RootBeanDefinition(RoleVoter.class));
188:                accessDecisionManager.getPropertyValues().addPropertyValue(
189:                        "decisionVoters", decisionVoters);
190:                return accessDecisionManager;
191:            }
192:
193:            private RootBeanDefinition createMethodSecurityInterceptor(
194:                    RootBeanDefinition authenticationManager) {
195:                RootBeanDefinition securityInterceptor = new RootBeanDefinition(
196:                        MethodSecurityInterceptor.class);
197:                securityInterceptor.getPropertyValues().addPropertyValue(
198:                        "authenticationManager", authenticationManager);
199:                RootBeanDefinition accessDecisionManager = createAccessDecisionManagerUnanimousBased();
200:                securityInterceptor.getPropertyValues().addPropertyValue(
201:                        "accessDecisionManager", accessDecisionManager);
202:                securityInterceptor.getPropertyValues().addPropertyValue(
203:                        "validateConfigAttributes", Boolean.FALSE);
204:                RootBeanDefinition runAsManager = createRunAsManager();
205:                securityInterceptor.getPropertyValues().addPropertyValue(
206:                        "runAsManager", runAsManager);
207:                RootBeanDefinition objectDefinitionSource = createMethodDefinitionAttributes();
208:                securityInterceptor.getPropertyValues().addPropertyValue(
209:                        "objectDefinitionSource", objectDefinitionSource);
210:                return securityInterceptor;
211:            }
212:
213:            private RootBeanDefinition createMethodDefinitionAttributes() {
214:                RootBeanDefinition objectDefinitionSource = new RootBeanDefinition(
215:                        MethodDefinitionAttributes.class);
216:                RootBeanDefinition attributes = createSecurityAnnotationAttributes();
217:                objectDefinitionSource.getPropertyValues().addPropertyValue(
218:                        "attributes", attributes);
219:                return objectDefinitionSource;
220:            }
221:
222:            private RootBeanDefinition createSecurityAnnotationAttributes() {
223:                return new RootBeanDefinition(
224:                        SecurityAnnotationAttributes.class);
225:            }
226:
227:            private RootBeanDefinition createRunAsManager() {
228:                RootBeanDefinition runAsManager = new RootBeanDefinition(
229:                        RunAsManagerImpl.class);
230:                runAsManager.getPropertyValues().addPropertyValue("key",
231:                        "my_run_as_password");
232:                return runAsManager;
233:            }
234:
235:            private void createAndRegisterBeanDefinitionForExceptionTranslationFilter(
236:                    ParserContext parserContext) {
237:                BeanDefinitionParserUtils.registerBeanDefinition(parserContext,
238:                        ExceptionTranslationFilterBeanDefinitionParser
239:                                .createBeanDefinitionWithDefaults());
240:            }
241:
242:            private void createAndRegisterBeanDefinitionForRememberMeProcessingFilter(
243:                    ParserContext parserContext,
244:                    RootBeanDefinition authenticationManager) {
245:                BeanDefinitionParserUtils.registerBeanDefinition(parserContext,
246:                        RememberMeFilterBeanDefinitionParser
247:                                .createBeanDefinitionWithDefaults(
248:                                        parserContext, authenticationManager));
249:            }
250:
251:            private void createAndRegisterBeanDefinitionForAuthenticationProcessingFilter(
252:                    ParserContext parserContext,
253:                    RootBeanDefinition authenticationManager,
254:                    RootBeanDefinition rememberMeServices) {
255:                RootBeanDefinition defintion = AuthenticationProcessingFilterBeanDefinitionParser
256:                        .createBeandefinitionWithDefaults(parserContext,
257:                                authenticationManager, rememberMeServices);
258:                BeanDefinitionParserUtils.registerBeanDefinition(parserContext,
259:                        defintion);
260:            }
261:
262:            private void createAndRegisterBeanDefinitionForLogoutFilter(
263:                    ParserContext parserContext,
264:                    RootBeanDefinition rememberMeServices) {
265:                RootBeanDefinition defintion = LogoutFilterBeanDefinitionParser
266:                        .createBeanDefinitionWithDefaults(rememberMeServices);
267:                BeanDefinitionParserUtils.registerBeanDefinition(parserContext,
268:                        defintion);
269:            }
270:
271:            private void createAndRegisterBeanDefinitionForHttpSessionContextIntegrationFilter(
272:                    ParserContext parserContext) {
273:                RootBeanDefinition defintion = ContextIntegrationBeanDefinitionParser
274:                        .createBeanDefinitionWithDefaults();
275:                BeanDefinitionParserUtils.registerBeanDefinition(parserContext,
276:                        defintion);
277:                // retrieveBeanDefinition(parserContext, o)
278:            }
279:
280:            /**
281:             * Returns a <code>BeanDefinition</code> of the specified type.
282:             * 
283:             * @param parserContext
284:             * @param type
285:             * @return
286:             */
287:            private RootBeanDefinition retrieveBeanDefinition(
288:                    ParserContext parserContext, Class type) {
289:                String[] names = parserContext.getRegistry()
290:                        .getBeanDefinitionNames();
291:                for (String name : names) {
292:                    BeanDefinition beanDefinition = parserContext.getRegistry()
293:                            .getBeanDefinition(name);
294:                    if (type.isInstance(beanDefinition)) {
295:                        return (RootBeanDefinition) beanDefinition;
296:                    }
297:                }
298:                return null;
299:            }
300:
301:        }
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