83. 스프링부트 포토그램 OAuth2 페이스북 로그인 구현 완료

package com.cos.photogramstart.config.oauth; import java.util.Map; import java.util.UUID; import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder; import org.springframework.security.oauth2.client.userinfo.DefaultOAuth2UserService; import org.springframework.security.oauth2.client.userinfo.OAuth2UserRequest; import org.springframework.security.oauth2.core.OAuth2AuthenticationException; import org.springframework.security.oauth2.core.user.OAuth2User; import org.springframework.stereotype.Service; import com.cos.photogramstart.domain.user.User; import com.cos.photogramstart.domain.user.UserRepository; import lombok.RequiredArgsConstructor; @RequiredArgsConstructor @Service public class OAuth2DetailesService extends DefaultOAuth2UserService { private final UserRepository userRepository; private final BCryptPasswordEncoder bCryptPasswordEncoder; @Override public OAuth2User loadUser(OAuth2UserRequest userRequest) throws OAuth2AuthenticationException { System.out.println("OAuth2 서비스 탐 "); OAuth2User oAuth2User = super.loadUser(userRequest); System.out.println(oAuth2User.getAttributes()); Map<String, Object> userInfo = oAuth2User.getAttributes(); String username = "facebook_" + (String) userInfo.get("id"); String password = bCryptPasswordEncoder.encode(UUID.randomUUID().toString()); String name = (String) userInfo.get("name"); String email = (String) userInfo.get("email"); User user = User.builder() .username(username) .password(password) .email(email) .name(name) .build(); User userEntity = userRepository.save(user); return null; //return super.loadUser(userRequest); } }

@RequiredArgsConstructor @Service public class OAuth2DetailesService extends DefaultOAuth2UserService { private final UserRepository userRepository; private final BCryptPasswordEncoder bCryptPasswordEncoder; @Override public OAuth2User loadUser(OAuth2UserRequest userRequest) throws OAuth2AuthenticationException { //System.out.println("OAuth2 서비스 탐 "); OAuth2User oAuth2User = super.loadUser(userRequest); //System.out.println(oAuth2User.getAttributes()); Map<String, Object> userInfo = oAuth2User.getAttributes(); String username = "facebook_" + (String) userInfo.get("id"); String password = bCryptPasswordEncoder.encode(UUID.randomUUID().toString()); String name = (String) userInfo.get("name"); String email = (String) userInfo.get("email"); User userEntity = userRepository.findByUsername(username); if(userEntity == null) { //페이스북 최초 회원가입 User user = User.builder() .username(username) .password(password) .email(email) .name(name) .build(); return userRepository.save(user); }else { //페이스북으로 이미 회원가입이 되어 있다는 뜻 return userEntity; } } }

public class OAuth2UserDetails implements OAuth2User{ @Override public Map<String, Object> getAttributes() { // TODO Auto-generated method stub return null; } @Override public Collection<? extends GrantedAuthority> getAuthorities() { // TODO Auto-generated method stub return null; } @Override public String getName() { // TODO Auto-generated method stub return null; } }

private User user; public OAuth2UserDetails(User user) { this.user = user; }

@Data public class PrincipalDetails implements UserDetails, OAuth2User{ private static final long serialVersionUID = 1L; private User user; private Map<String, Object> attributes; public PrincipalDetails(User user) { this.user = user; } public PrincipalDetails(User user, Map<String, Object> attributes) { this.user = user; } //권한: 한개가 아닐 수 있음. (3개 이상의 권한) @Override public Collection<? extends GrantedAuthority> getAuthorities() { Collection<GrantedAuthority> collector = new ArrayList<>(); collector.add(() -> { return user.getRole(); }); return collector; } @Override public String getPassword() { return user.getPassword(); } @Override public String getUsername() { return user.getUsername(); } @Override public boolean isAccountNonExpired() { //계정이 만료가 되었는 return true; //false가 맞는거다(로그인을 위해서 true로 변경) } @Override public boolean isAccountNonLocked() {//계정이 잠겼는가 return true; //false가 맞는거다(로그인을 위해서 true로 변경) } @Override public boolean isCredentialsNonExpired() { //비밀번호가 오랫동안 안바뀐거 아닌가 return true; //false가 맞는거다(로그인을 위해서 true로 변경) } @Override public boolean isEnabled() { //계정이 활성화 되어있는가 return true; //false가 맞는거다(로그인을 위해서 true로 변경) } @Override public Map<String, Object> getAttributes() { return attributes; //{iid : 912312391293 , name : blarblar , email : test@gmail.com } } @Override public String getName() { return (String)attributes.get("name"); } }

*************************** APPLICATION FAILED TO START *************************** Description: The dependencies of some of the beans in the application context form a cycle: ┌─────┐ | securityConfig defined in file [/Users/heoji/git/photogram_sns_springboot_/photogram/target/classes/com/cos/photogramstart/config/SecurityConfig.class] ↑ ↓ | OAuth2DetailesService defined in file [/Users/heoji/git/photogram_sns_springboot_/photogram/target/classes/com/cos/photogramstart/config/oauth/OAuth2DetailesService.class] └─────┘

Caused by: java.sql.SQLException: Data too long for column 'username' at row 1 at org.mariadb.jdbc.internal.protocol.AbstractQueryProtocol.readErrorPacket(AbstractQueryProtocol.java:1681) ~[mariadb-java-client-2.7.2.jar:na] at org.mariadb.jdbc.internal.protocol.AbstractQueryProtocol.readPacket(AbstractQueryProtocol.java:1543) ~[mariadb-java-client-2.7.2.jar:na] at org.mariadb.jdbc.internal.protocol.AbstractQueryProtocol.getResult(AbstractQueryProtocol.java:1506) ~[mariadb-java-client-2.7.2.jar:na] at org.mariadb.jdbc.internal.protocol.AbstractQueryProtocol.executeQuery(AbstractQueryProtocol.java:316) ~[mariadb-java-client-2.7.2.jar:na] ... 117 common frames omitted