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Created an example about custom AccessDecisionVoters in Spring Security.

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This commit is contained in:
Ambrus Adrián-Zoltán 2016-10-09 17:28:59 +03:00
parent 09b7c6e822
commit 3b20cf25d1
9 changed files with 305 additions and 0 deletions
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56
spring-security-custom-voter/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.baeldung</groupId>
<artifactId>spring-security-custom-voter</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<name>spring-security-custom-voter</name>
<description>Custom AccessDecisionVoter with Spring Security</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.4.1.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>

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spring-security-custom-voter/src/main/java/org/baeldung/Application.java Normal file
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package org.baeldung;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}

38
spring-security-custom-voter/src/main/java/org/baeldung/security/MinuteBasedVoter.java Normal file
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package org.baeldung.security;
import org.springframework.security.access.AccessDecisionVoter;
import org.springframework.security.access.ConfigAttribute;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.GrantedAuthority;
import java.time.LocalDateTime;
import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;
public class MinuteBasedVoter implements AccessDecisionVoter {
@Override
public boolean supports(ConfigAttribute attribute) {
return true;
}
@Override
public boolean supports(Class clazz) {
return true;
}
@Override
public int vote(Authentication authentication, Object object, Collection collection) {
List<String> roles = authentication
.getAuthorities()
.stream().map(GrantedAuthority::getAuthority)
.collect(Collectors.toList());
for (String role: roles) {
if ("ROLE_USER".equals(role) && LocalDateTime.now().getMinute() % 2 != 0) {
return ACCESS_DENIED;
}
}
return ACCESS_ABSTAIN;
}
}

69
spring-security-custom-voter/src/main/java/org/baeldung/security/WebSecurityConfig.java Normal file
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package org.baeldung.security;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.access.AccessDecisionManager;
import org.springframework.security.access.AccessDecisionVoter;
import org.springframework.security.access.vote.AuthenticatedVoter;
import org.springframework.security.access.vote.RoleVoter;
import org.springframework.security.access.vote.UnanimousBased;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.web.access.expression.WebExpressionVoter;
import org.springframework.security.web.util.matcher.AntPathRequestMatcher;
import java.util.Arrays;
import java.util.List;
@Configuration
@EnableWebSecurity
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
@Autowired
public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception {
// @formatter: off
auth.inMemoryAuthentication()
.withUser("user").password("pass").roles("USER")
.and()
.withUser("admin").password("pass").roles("ADMIN");
// @formatter: on
}
@Override
protected void configure(HttpSecurity http) throws Exception {
// @formatter: off
http
// needed so our login could work
.csrf()
.disable()
.authorizeRequests()
.anyRequest()
.authenticated()
.accessDecisionManager(accessDecisionManager())
.antMatchers("/").hasAnyRole("ROLE_ADMIN", "ROLE_USER")
.and()
.formLogin()
.permitAll()
.and()
.logout()
.permitAll()
.deleteCookies("JSESSIONID")
.logoutSuccessUrl("/login");
// @formatter: on
}
@Bean
public AccessDecisionManager accessDecisionManager() {
// @formatter: off
List<AccessDecisionVoter<? extends Object>> decisionVoters =
Arrays.asList(
new WebExpressionVoter(),
new RoleVoter(),
new AuthenticatedVoter(),
new MinuteBasedVoter());
// @formatter: on
return new UnanimousBased(decisionVoters);
}
}

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spring-security-custom-voter/src/main/java/org/baeldung/security/XmlSecurityConfig.java Normal file
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package org.baeldung.security;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.ImportResource;
/**
* Created by ambrusadrianz on 09/10/2016.
*/
@Configuration
//@ImportResource({"classpath:spring-security.xml"})
public class XmlSecurityConfig {
public XmlSecurityConfig() {
super();
}
}

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spring-security-custom-voter/src/main/java/org/baeldung/web/MvcConfig.java Normal file
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package org.baeldung.web;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
/**
* Created by ambrusadrianz on 30/09/2016.
*/
@Configuration
public class MvcConfig extends WebMvcConfigurerAdapter {
@Override
public void addViewControllers(ViewControllerRegistry registry) {
registry.addViewController("/").setViewName("private");
}
}

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spring-security-custom-voter/src/main/resources/spring-security.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/security"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:beans="http://www.springframework.org/schema/beans"
xsi:schemaLocation="
http://www.springframework.org/schema/security
http://www.springframework.org/schema/security/spring-security-4.1.xsd
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd">
<http use-expressions="true" auto-config="true" access-decision-manager-ref="accessDecisionManager">
<intercept-url pattern="/**" access="hasAnyRole('ROLE_ADMIN', 'ROLE_USER')"/>
<form-login default-target-url="/"/>
<csrf disabled="true"/>
<logout logout-url="/logout" delete-cookies="JSESSIONID" logout-success-url="/login"/>
</http>
<beans:bean id="accessDecisionManager" class="org.springframework.security.access.vote.UnanimousBased">
<beans:constructor-arg>
<beans:list>
<beans:bean class="org.springframework.security.web.access.expression.WebExpressionVoter"/>
<beans:bean class="org.springframework.security.access.vote.AuthenticatedVoter"/>
<beans:bean class="org.springframework.security.access.vote.RoleVoter"/>
<beans:bean class="com.example.security.MinuteBasedVoter"/>
</beans:list>
</beans:constructor-arg>
</beans:bean>
<beans:bean id="minuteBasedVoter" class="com.example.security.MinuteBasedVoter"/>
<authentication-manager>
<authentication-provider>
<user-service>
<user name="user" password="pass" authorities="ROLE_USER"/>
<user name="admin" password="pass" authorities="ROLE_ADMIN"/>
</user-service>
</authentication-provider>
</authentication-manager>
</beans:beans>

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spring-security-custom-voter/src/main/resources/templates/private.html Normal file
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<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org"
xmlns:sec="http://www.thymeleaf.org/thymeleaf-extras-springsecurity3">
<head>
<title>Private</title>
</head>
<body>
<h1>Congrats!</h1>
</body>
</html>

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spring-security-custom-voter/src/main/webapp/WEB-INF/web.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
version="3.1">
<display-name>Spring Secured Application</display-name>
<!-- Spring MVC -->
<servlet>
<servlet-name>mvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>mvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<context-param>
<param-name>contextClass</param-name>
<param-value>
org.springframework.web.context.support.AnnotationConfigWebApplicationContext
</param-value>
</context-param>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>org.baeldung.spring.web.config</param-value>
</context-param>
<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener>
<!-- Spring Security -->
<filter>
<filter-name>springSecurityFilterChain</filter-name>
<filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
</filter>
<filter-mapping>
<filter-name>springSecurityFilterChain</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>