2. Spring Security 알아보기

p22

실행 및 로그인페이지 확인

Securityproperties

• SpringSecurity가 자동으로 설정한 아이디 확인

//
// Source code recreated from a .class file by IntelliJ IDEA
// (powered by FernFlower decompiler)
//

package org.springframework.boot.autoconfigure.security;

import java.util.ArrayList;
import java.util.EnumSet;
import java.util.List;
import java.util.Set;
import java.util.UUID;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.web.servlet.DispatcherType;
import org.springframework.util.StringUtils;

@ConfigurationProperties(
    prefix = "spring.security"
)
public class SecurityProperties {
    public static final int BASIC_AUTH_ORDER = 2147483642;
    public static final int IGNORED_ORDER = Integer.MIN_VALUE;
    public static final int DEFAULT_FILTER_ORDER = -100;
    private final Filter filter = new Filter();
    private final User user = new User();

    public SecurityProperties() {
    }

    public User getUser() {
        return this.user;
    }

    public Filter getFilter() {
        return this.filter;
    }

    public static class Filter {
        private int order = -100;
        private Set<DispatcherType> dispatcherTypes = EnumSet.allOf(DispatcherType.class);

        public Filter() {
        }

        public int getOrder() {
            return this.order;
        }

        public void setOrder(int order) {
            this.order = order;
        }

        public Set<DispatcherType> getDispatcherTypes() {
            return this.dispatcherTypes;
        }

        public void setDispatcherTypes(Set<DispatcherType> dispatcherTypes) {
            this.dispatcherTypes = dispatcherTypes;
        }
    }

    public static class User {
        private String name = "user";
        private String password = UUID.randomUUID().toString();
        private List<String> roles = new ArrayList();
        private boolean passwordGenerated = true;

        public User() {
        }

        public String getName() {
            return this.name;
        }

        public void setName(String name) {
            this.name = name;
        }

        public String getPassword() {
            return this.password;
        }

        public void setPassword(String password) {
            if (StringUtils.hasLength(password)) {
                this.passwordGenerated = false;
                this.password = password;
            }
        }

        public List<String> getRoles() {
            return this.roles;
        }

        public void setRoles(List<String> roles) {
            this.roles = new ArrayList(roles);
        }

        public boolean isPasswordGenerated() {
            return this.passwordGenerated;
        }
    }
}

• 패스워드는 실행후 command line

Using generated security password: bc6d0576-3ba4-4c3e-92be-6107a593a579

• 로그인

• 인증, 인가 설정이 되어 있는 코드

SpringBootWebSecurityConfiguration.Class

//
// Source code recreated from a .class file by IntelliJ IDEA
// (powered by FernFlower decompiler)
//

package org.springframework.boot.autoconfigure.security.servlet;

import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication.Type;
import org.springframework.boot.autoconfigure.security.ConditionalOnDefaultWebSecurity;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.annotation.Order;
import org.springframework.security.config.Customizer;
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.configurers.AuthorizeHttpRequestsConfigurer;
import org.springframework.security.web.SecurityFilterChain;

@Configuration(
    proxyBeanMethods = false
)
@ConditionalOnWebApplication(
    type = Type.SERVLET
)
class SpringBootWebSecurityConfiguration {
    SpringBootWebSecurityConfiguration() {
    }

    @Configuration(
        proxyBeanMethods = false
    )
    @ConditionalOnMissingBean(
        name = {"springSecurityFilterChain"}
    )
    @ConditionalOnClass({EnableWebSecurity.class})
    @EnableWebSecurity
    static class WebSecurityEnablerConfiguration {
        WebSecurityEnablerConfiguration() {
        }
    }

    @Configuration(
        proxyBeanMethods = false
    )
    @ConditionalOnDefaultWebSecurity
    static class SecurityFilterChainConfiguration {
        SecurityFilterChainConfiguration() {
        }

        @Bean
        @Order(2147483642)
        SecurityFilterChain defaultSecurityFilterChain(HttpSecurity http) throws Exception {
            http.authorizeHttpRequests((requests) -> {
                ((AuthorizeHttpRequestsConfigurer.AuthorizedUrl)requests.anyRequest()).authenticated();
            });
            http.formLogin(Customizer.withDefaults());
            http.httpBasic(Customizer.withDefaults());
            return (SecurityFilterChain)http.build();
        }
    }
}

---

p23

resources/application.yml

spring:
  security:
    user:
      name: user
      password: 123
      roles: USER

config/SecurityConfig.java

package io.securitylecture.springsecuritylecture.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.provisioning.InMemoryUserDetailsManager;
@EnableWebSecurity
@Configuration
public class SecurityConfig {

    @Bean
    public UserDetailsService userDetailsService(){
        UserDetails user = User.withUsername("user")
                .password("{noop}111")
                .roles("USER").build();
        UserDetails user2 = User.withUsername("user2")
                .password("{noop}222")
                .roles("USER").build();
        UserDetails  user3 = User.withUsername("user3")
                .password("{noop}333")
                .roles("ADMIN").build();
        return new InMemoryUserDetailsManager(user,user2,user3);
    }
//    설정 파일과 중복시에는 Config 파일 우선
}

• 로그인하면 user / 111로 로그인 가능