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| 1 | +package me.gg.pinit.interfaces.oauth2; |
| 2 | + |
| 3 | +import io.swagger.v3.oas.annotations.Operation; |
| 4 | +import io.swagger.v3.oas.annotations.Parameter; |
| 5 | +import io.swagger.v3.oas.annotations.enums.ParameterIn; |
| 6 | +import io.swagger.v3.oas.annotations.responses.ApiResponse; |
| 7 | +import io.swagger.v3.oas.annotations.responses.ApiResponses; |
| 8 | +import io.swagger.v3.oas.annotations.tags.Tag; |
| 9 | +import jakarta.servlet.http.HttpServletRequest; |
| 10 | +import jakarta.servlet.http.HttpSession; |
| 11 | +import lombok.extern.slf4j.Slf4j; |
| 12 | +import me.gg.pinit.application.oauth2.Oauth2ProviderMapper; |
| 13 | +import me.gg.pinit.application.oauth2.Oauth2Service; |
| 14 | +import me.gg.pinit.domain.member.Member; |
| 15 | +import me.gg.pinit.domain.oidc.Oauth2Provider; |
| 16 | +import me.gg.pinit.infrastructure.jwt.JwtTokenProvider; |
| 17 | +import me.gg.pinit.infrastructure.jwt.TokenCookieFactory; |
| 18 | +import me.gg.pinit.interfaces.member.dto.LoginResponse; |
| 19 | +import me.gg.pinit.interfaces.oauth2.dto.OauthLoginSetting; |
| 20 | +import me.gg.pinit.interfaces.oauth2.dto.SocialLoginResult; |
| 21 | +import org.springframework.beans.factory.annotation.Value; |
| 22 | +import org.springframework.http.HttpHeaders; |
| 23 | +import org.springframework.http.ResponseEntity; |
| 24 | +import org.springframework.util.StringUtils; |
| 25 | +import org.springframework.web.bind.annotation.*; |
| 26 | +import org.springframework.web.util.UriComponentsBuilder; |
| 27 | + |
| 28 | +import java.util.Collections; |
| 29 | + |
| 30 | +@Slf4j |
| 31 | +@RestController |
| 32 | +@RequestMapping("/v0") |
| 33 | +@Tag(name = "소셜 로그인", description = "외부 OAuth2 공급자(네이버) 로그인 흐름") |
| 34 | +public class Oauth2ControllerV0 { |
| 35 | + private final JwtTokenProvider jwtTokenProvider; |
| 36 | + private final Oauth2Service oauth2Service; |
| 37 | + private final Oauth2ProviderMapper oauth2ProviderMapper; |
| 38 | + private final TokenCookieFactory tokenCookieFactory; |
| 39 | + private final String oauthCallbackBaseUrl; |
| 40 | + |
| 41 | + public Oauth2ControllerV0(JwtTokenProvider jwtTokenProvider, |
| 42 | + Oauth2Service oauth2Service, |
| 43 | + Oauth2ProviderMapper oauth2ProviderMapper, |
| 44 | + TokenCookieFactory tokenCookieFactory, |
| 45 | + @Value("${app.frontend-base-url}") String oauthCallbackBaseUrl) { |
| 46 | + this.jwtTokenProvider = jwtTokenProvider; |
| 47 | + this.oauth2Service = oauth2Service; |
| 48 | + this.oauth2ProviderMapper = oauth2ProviderMapper; |
| 49 | + this.tokenCookieFactory = tokenCookieFactory; |
| 50 | + this.oauthCallbackBaseUrl = oauthCallbackBaseUrl; |
| 51 | + } |
| 52 | + |
| 53 | + @GetMapping("/login/oauth2/authorize/{provider}") |
| 54 | + @Operation( |
| 55 | + summary = "소셜 로그인 인가 요청", |
| 56 | + description = "provider에 맞는 인가 URL로 302 리다이렉트합니다.", |
| 57 | + parameters = { |
| 58 | + @Parameter(name = "provider", in = ParameterIn.PATH, description = "소셜 로그인 공급자", example = "naver", required = true) |
| 59 | + } |
| 60 | + ) |
| 61 | + @ApiResponses({ |
| 62 | + @ApiResponse(responseCode = "302", description = "외부 인가 페이지로 리다이렉트"), |
| 63 | + @ApiResponse(responseCode = "500", description = "미지원 provider 등 서버 오류") |
| 64 | + }) |
| 65 | + public ResponseEntity<Void> authorize(@PathVariable String provider, HttpServletRequest request) { |
| 66 | + HttpSession session = request.getSession(); |
| 67 | + String sessionId = session.getId(); |
| 68 | + String state = oauth2Service.generateState(sessionId); |
| 69 | + |
| 70 | + OauthLoginSetting loginSetting = buildOauthLoginSetting(state, provider, request); |
| 71 | + String authorizationUri = UriComponentsBuilder.fromUri(oauth2Service.getAuthorizationUri(provider, state)) |
| 72 | + .queryParam("response_type", loginSetting.getResponse_type()) |
| 73 | + .queryParam("client_id", loginSetting.getClient_id()) |
| 74 | + .queryParam("redirect_uri", loginSetting.getRedirect_uri()) |
| 75 | + .queryParam("state", loginSetting.getState()) |
| 76 | + .build() |
| 77 | + .toUriString(); |
| 78 | + |
| 79 | + |
| 80 | + return ResponseEntity.status(302) |
| 81 | + .header(HttpHeaders.LOCATION, authorizationUri) |
| 82 | + .build(); |
| 83 | + } |
| 84 | + |
| 85 | + |
| 86 | + @GetMapping("/login/oauth2/code/{provider}") |
| 87 | + @Operation( |
| 88 | + summary = "소셜 로그인 콜백", |
| 89 | + description = "provider 콜백에서 code/state를 받아 로그인 처리 후 토큰을 반환합니다.", |
| 90 | + parameters = { |
| 91 | + @Parameter(name = "provider", in = ParameterIn.PATH, description = "소셜 로그인 공급자", example = "naver", required = true), |
| 92 | + @Parameter(name = "code", in = ParameterIn.QUERY, description = "OAuth2 인가 코드"), |
| 93 | + @Parameter(name = "state", in = ParameterIn.QUERY, description = "CSRF 방지용 state"), |
| 94 | + @Parameter(name = "error", in = ParameterIn.QUERY, description = "provider 오류 코드"), |
| 95 | + @Parameter(name = "error_description", in = ParameterIn.QUERY, description = "provider 오류 상세") |
| 96 | + } |
| 97 | + ) |
| 98 | + @ApiResponses({ |
| 99 | + @ApiResponse(responseCode = "200", description = "소셜 로그인 성공"), |
| 100 | + @ApiResponse(responseCode = "400", description = "provider 오류 응답"), |
| 101 | + @ApiResponse(responseCode = "500", description = "state 검증 실패, 토큰 교환 실패 등 서버 오류") |
| 102 | + }) |
| 103 | + public ResponseEntity<LoginResponse> socialLogin(@PathVariable String provider, @ModelAttribute SocialLoginResult socialLoginResult, HttpServletRequest request) { |
| 104 | + if (socialLoginResult.getError() != null) { |
| 105 | + return ResponseEntity.badRequest().build(); |
| 106 | + } |
| 107 | + HttpSession session = request.getSession(false); |
| 108 | + String sessionId = session != null ? session.getId() : null; |
| 109 | + Member member = oauth2Service.login(provider, sessionId, socialLoginResult.getCode(), socialLoginResult.getState()); |
| 110 | + String refreshToken = jwtTokenProvider.createRefreshToken(member.getId()); |
| 111 | + String accessToken = jwtTokenProvider.createAccessToken(member.getId(), Collections.emptyList()); |
| 112 | + return ResponseEntity.ok().header(HttpHeaders.SET_COOKIE, tokenCookieFactory.refreshTokenCookie(refreshToken).toString()).body(new LoginResponse(accessToken)); |
| 113 | + } |
| 114 | + |
| 115 | + private OauthLoginSetting buildOauthLoginSetting(String state, String provider, HttpServletRequest request) { |
| 116 | + OauthLoginSetting loginSetting = new OauthLoginSetting(); |
| 117 | + Oauth2Provider oauth2Provider = oauth2ProviderMapper.get(provider); |
| 118 | + loginSetting.setResponse_type("code"); |
| 119 | + loginSetting.setClient_id(oauth2Provider.getClientId()); |
| 120 | + loginSetting.setRedirect_uri(resolveRedirectUri(oauth2Provider, provider, request)); |
| 121 | + loginSetting.setState(state); |
| 122 | + return loginSetting; |
| 123 | + } |
| 124 | + |
| 125 | + private String resolveRedirectUri(Oauth2Provider provider, String providerString, HttpServletRequest request) { |
| 126 | + String redirectUri = provider.getRedirectUri(); |
| 127 | + String baseUrl = StringUtils.hasText(oauthCallbackBaseUrl) ? oauthCallbackBaseUrl : getBaseUrl(request); |
| 128 | + String replace = redirectUri |
| 129 | + .replace("{baseUrl}", baseUrl) |
| 130 | + .replace("{registrationId}", providerString); |
| 131 | + log.info("Resolved redirect URI: {}", replace); |
| 132 | + return replace; |
| 133 | + } |
| 134 | + |
| 135 | + private String getBaseUrl(HttpServletRequest request) { |
| 136 | + String requestUrl = request.getRequestURL().toString(); |
| 137 | + String requestUri = request.getRequestURI(); |
| 138 | + return requestUrl.substring(0, requestUrl.length() - requestUri.length()); |
| 139 | + } |
| 140 | +} |
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