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back-end:spring:security [2021/04/29 12:47] – Athentication architecuture 그림을 직접 서버에 업로드 ledyxback-end:spring:security [2021/04/29 16:23] (current) – [WebSecurityConfigurerAdapter] configure() 설명 추가 ledyx
Line 70: Line 70:
 === UserDetailsService  === === UserDetailsService  ===
  
-  * [[https://docs.spring.io/spring-security/site/docs/current/api/org/springframework/security/core/userdetails/UserDetailsService.html|UserDetailsService]] +"[[https://docs.spring.io/spring-security/site/docs/current/api/org/springframework/security/core/userdetails/UserDetailsService.html#loadUserByUsername-java.lang.String-|UserDetailsService에는 UserDetails loadUserByUsername(String username)]]"만 있는데, 여기서 [[https://docs.spring.io/spring-security/site/docs/current/api/org/springframework/security/core/userdetails/UserDetails.html|UserDetails]]는 이름, 비밀번호, 인증/인가등의 기본적인 사용자 정보를 담는 Class.
-    * [[https://docs.spring.io/spring-security/site/docs/current/api/org/springframework/security/core/userdetails/UserDetails.html|UserDetails]]+
  
 {{:back-end:spring:userdetailsservice.png|}} {{:back-end:spring:userdetailsservice.png|}}
 +
 +또 다른 사용자 정보를 담는 Bean을 만들기보다 이를 상속해서 사용하는게 일을 덜 할 수 있으리라 판단된다.
 +
 +마음에 드는 구현체가 없다면 이 Interface를 상속받아서 재정의.
 +
 +자식 Interface인 [[https://docs.spring.io/spring-security/site/docs/current/api/org/springframework/security/provisioning/UserDetailsManager.html|UserDetailsManager]]는 비밀번호 변경, 사용자 생성/삭제/갱신, 사용자 존재 여부등의 기능이 추가로 있음.
 +
 +
 +----
 +
 +
 +=== WebSecurityConfigurerAdapter ===
 +
 +전역적인(globally) authentication이 필요할 때 사용.
 +
 +[[https://docs.spring.io/spring-security/site/docs/current/api/org/springframework/security/config/annotation/web/configuration/WebSecurityConfigurerAdapter.html|WebSecurityConfigurerAdapter]]를 상속해서 사용한다. 여기서 주의깊게 봐야 하는 Method는 "configure"인데, 3개의 종류를 가진다.
 +
 +  * **protected void configure(AuthenticationManagerBuilder auth)**
 +    * Used by the default implementation of authenticationManager() to attempt to obtain an AuthenticationManager.
 +  * **protected void configure(HttpSecurity http)**
 +    * Override this method to configure the HttpSecurity.
 +  * **void configure(WebSecurity web)**
 +    * Override this method to configure WebSecurity.
 +
 +{{:back-end:spring:websecurityconfigurer.png}}
 +
 +  * WebSecurityConfigurerAdapter, AbstractConfiguredSecurityBuilder, AbstractSecurityBuilder : abstract class
 +  * WebSecurity : final class
 +
 +<flow>
 +classDiagram
 +  class SecurityConfigurer~O, B extends SecurityBuilder＜O＞~ {
 +    init(B builder)
 +    configure(B builder)
 +  }
 +  
 +  class WebSecurityConfigurer~T extends SecurityBuilder＜Filter＞~
 +  
 +  class SecurityBuilder~O~ {
 +    build() O
 +  }
 +  
 +  class AbstractSecurityBuilder~O~
 +  
 +  class AbstractConfiguredSecurityBuilder~O, B extends SecurityBuilder＜O＞~
 +  
 +  class WebSecurity
 +  
 +  SecurityConfigurer <|-- WebSecurityConfigurer : ＜Filter,  T extends SecurityBuilder＜Filter＞＞
 +  WebSecurityConfigurer  <|-- WebSecurityConfigurerAdapter : ＜WebSecurity＞
 +  
 +  SecurityBuilder <|-- AbstractSecurityBuilder
 +  AbstractSecurityBuilder <|-- AbstractConfiguredSecurityBuilder
 +  AbstractConfiguredSecurityBuilder <|-- WebSecurity : ＜Filter, WebSecurity＞
 +  
 +  Aware <|-- ApplicationContextAware
 +  SecurityBuilder <|-- WebSecurity : ＜Filter＞
 +  ApplicationContextAware <|-- WebSecurity
 +</flow>
  
  
back-end/spring/security.1619696834.txt.gz · Last modified: 2021/04/29 12:47 by ledyx