Files
eapim-online/src/main/java/com/eactive/eai/authserver/custom/KjbMGOAuth2Controller.java
T
2026-03-03 14:14:54 +09:00

361 lines
15 KiB
Java

package com.eactive.eai.authserver.custom;
import java.nio.charset.StandardCharsets;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.Principal;
import java.security.SecureRandom;
import java.security.Signature;
import java.time.LocalDateTime;
import java.util.Base64;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import javax.crypto.Cipher;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.math.NumberUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.security.oauth2.common.OAuth2AccessToken;
import org.springframework.security.oauth2.common.util.OAuth2Utils;
import org.springframework.security.oauth2.provider.ClientDetails;
import org.springframework.security.oauth2.provider.OAuth2Authentication;
import org.springframework.security.oauth2.provider.OAuth2Request;
import org.springframework.security.oauth2.provider.endpoint.TokenEndpoint;
import org.springframework.security.oauth2.provider.token.TokenEnhancer;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import com.eactive.eai.adapter.http.dynamic.filter.JwtAuthException;
import com.eactive.eai.authserver.config.IssueLimitOAuth2Exception;
import com.eactive.eai.authserver.config.RequestContextData;
import com.eactive.eai.authserver.dao.TokenIssuanceLogDAO;
import com.eactive.eai.authserver.service.OAuth2Manager;
import com.eactive.eai.authserver.util.BeanUtils;
import com.eactive.eai.authserver.vo.ClientVO;
import com.eactive.eai.common.dao.DAOException;
import com.eactive.eai.common.logger.EAIDBLogControl;
import com.eactive.eai.common.util.Logger;
import com.eactive.eai.common.util.MessageUtil;
import com.eactive.eai.common.util.UUID;
import com.eactive.eai.data.entity.onl.authserver.TokenIssuanceLog;
import com.fasterxml.jackson.databind.ObjectMapper;
@Controller
public class KjbMGOAuth2Controller {
public static Logger logger = Logger.getLogger(Logger.LOGGER_DEFAULT);
private static final String HEADER_TRACEID = "traceId";
private static final String SERVICE_CODE_ACCESS_TOKEN = "00"; // 임시설정
@Autowired
private TokenIssuanceLogDAO tokenIssuanceLogDAO;
@RequestMapping(value = "/mapi/oauth2/token", method = RequestMethod.POST, consumes = "application/json", produces = "application/json; charset=UTF-8")
@ResponseBody
public ResponseEntity<String> tokenJson(@RequestBody KjbMGOAuth2AccessTokenRequest tokenRequest,
HttpServletRequest request, HttpServletResponse response) {
return issueToken(tokenRequest, request, response);
}
@RequestMapping(value = "/mapi/oauth2/token", method = RequestMethod.POST, consumes = "application/x-www-form-urlencoded", produces = "application/json; charset=UTF-8")
@ResponseBody
public ResponseEntity<String> tokenForm(@RequestParam Map<String, String> params, HttpServletRequest request,
HttpServletResponse response) {
KjbMGOAuth2AccessTokenRequest tokenRequest = new KjbMGOAuth2AccessTokenRequest();
tokenRequest.setGrantType(params.get("grant_type"));
tokenRequest.setClientId(params.get("client_id"));
tokenRequest.setClientSecret(params.get("client_secret"));
tokenRequest.setScope(params.get("scope"));
tokenRequest.setResource(params.get("resource"));
return issueToken(tokenRequest, request, response);
}
@GetMapping(value = "/mapi/oauth2/token", produces = "application/json; charset=UTF-8")
@ResponseBody
public ResponseEntity<String> tokenGet(@RequestParam Map<String, String> params, HttpServletRequest request,
HttpServletResponse response) {
KjbMGOAuth2AccessTokenRequest tokenRequest = new KjbMGOAuth2AccessTokenRequest();
tokenRequest.setGrantType(params.get("grant_type"));
tokenRequest.setClientId(params.get("client_id"));
tokenRequest.setClientSecret(params.get("client_secret"));
tokenRequest.setScope(params.get("scope"));
tokenRequest.setResource(params.get("resource"));
return issueToken(tokenRequest, request, response);
}
private ResponseEntity<String> issueToken(
KjbMGOAuth2AccessTokenRequest tokenRequest,
HttpServletRequest request,
HttpServletResponse response) {
if (logger.isDebug()) {
logger.debug(tokenRequest.toString());
}
RequestContextData data = new RequestContextData();
data.setClientId(tokenRequest.getClientId());
data.setIpAddress(extractIpAddress(request));
data.setGrantType(tokenRequest.getGrantType());
data.setScope(tokenRequest.getScope());
data.setUsername("none");
data.setResource("none");
RequestContextData.ThreadLocalRequestContext.set(data);
KjbMGOAuth2AccessTokenResponse responseToken = new KjbMGOAuth2AccessTokenResponse();
String grantType = tokenRequest.getGrantType();
String clientId = tokenRequest.getClientId();
String clientSecret = tokenRequest.getClientSecret();
String scopes = tokenRequest.getScope();
try {
if (!StringUtils.equals(tokenRequest.getGrantType(), "client_credentials")) {
throw new JwtAuthException(
String.format("%d%s%s", HttpStatus.BAD_REQUEST.value(), SERVICE_CODE_ACCESS_TOKEN, "02"),
"Invalid Mandatory Field {grantType}");
}
String[] scopeArr = org.springframework.util.StringUtils.tokenizeToStringArray(scopes, " ");
Set<String> scopeSet = new HashSet<String>();
for (String scope : scopeArr) {
scopeSet.add(scope);
}
String[] resourceArr = org.springframework.util.StringUtils.tokenizeToStringArray(tokenRequest.getResource(), ",");
Set<String> resourceSet = new HashSet<String>();
for (String resource : resourceArr) {
resourceSet.add(resource);
}
ClientDetails clientDetails = OAuth2Manager.getInstance().getClientDeatilsStore().get(clientId);
verifyClient(clientDetails, clientId, clientSecret, scopeSet);
String traceId = UUID.randomUUID().toString().replace("-", "");
response.setHeader(HEADER_TRACEID, traceId);
HashMap<String, String> authorizationParameters = new HashMap<String, String>();
authorizationParameters.put(OAuth2Utils.GRANT_TYPE, grantType);
authorizationParameters.put(OAuth2Utils.CLIENT_ID, clientId);
authorizationParameters.put("client_secret", clientSecret);
Set<String> responseType = new HashSet<String>();
responseType.add(tokenRequest.getGrantType());
OAuth2Request authorizationRequest = new OAuth2Request(authorizationParameters, clientId, null, true, scopeSet,
resourceSet, "", responseType, null);
Principal principal = new OAuth2Authentication(authorizationRequest, null);
ResponseEntity<OAuth2AccessToken> result = tokenEndpoint().postAccessToken(principal,
authorizationParameters);
OAuth2AccessToken token = result.getBody();
if(StringUtils.isNotBlank(token.getTokenType()) && StringUtils.equalsIgnoreCase(token.getTokenType(), "bearer")) {
responseToken.setTokenType("Bearer");
} else { responseToken.setTokenType(token.getTokenType()); }
responseToken.setAccessToken(token.getValue());
responseToken.setExpiresIn(Long.valueOf(token.getExpiresIn()));
responseToken.setrefreshToken("");
responseToken.setExpiresOn(System.currentTimeMillis() + (token.getExpiresIn() * 1000));
responseToken.setScope(tokenRequest.getScope());
responseToken.setResource(tokenRequest.getResource());
// 성공 시 JSON 문자열로 변환하여 반환
ObjectMapper mapper = new ObjectMapper();
String successJson = mapper.writeValueAsString(responseToken);
return ResponseEntity.ok(successJson);
} catch (JwtAuthException e) {
logger.info("Token request[/mapi/oauth2/token] => clientId: {}, grantType: {}, scope: {}",
clientId, grantType, scopes);
logger.error(e.getMessage());
String errorJson = MessageUtil.makeJsonErrorMessage(MessageUtil.ERROR_CODE_AUTH_FAIL, e.getMessage());
int statusCode = NumberUtils.toInt(StringUtils.left(e.getCode(), 3), HttpStatus.UNAUTHORIZED.value());
logTokenIssuance(false ,false, e.getMessage(), null);
return ResponseEntity.status(statusCode).body(errorJson);
} catch (Exception e) {
logger.info("Token request[/mapi/oauth2/token] => clientId: {}, grantType: {}, scope: {}",
clientId, grantType, scopes);
logger.error(e.getMessage());
String errorJson = MessageUtil.makeJsonErrorMessage(MessageUtil.ERROR_CODE_AUTH_FAIL, "Unauthorized. [Unknown]");
logTokenIssuance(false ,false, e.getMessage(), null);
return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body(errorJson);
}finally {
RequestContextData.ThreadLocalRequestContext.clear();
}
}
private String extractIpAddress(HttpServletRequest request) {
String ipAddress = request.getHeader("X-Forwarded-For");
if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
ipAddress = request.getHeader("Proxy-Client-IP");
}
if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
ipAddress = request.getHeader("WL-Proxy-Client-IP");
}
if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
ipAddress = request.getHeader("HTTP_CLIENT_IP");
}
if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
ipAddress = request.getHeader("HTTP_X_FORWARDED_FOR");
}
if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
ipAddress = request.getRemoteAddr();
}
return ipAddress;
}
private void verifyClient(ClientDetails clientDetails, String clientId, String clientSecret, Set<String> scopeSet)
throws JwtAuthException {
if (StringUtils.isBlank(clientId)) {
throw new JwtAuthException(
String.format("%d%s%s", HttpStatus.BAD_REQUEST.value(), SERVICE_CODE_ACCESS_TOKEN, "02"),
"Invalid Mandatory Field {client_id}");
}
if (clientDetails == null) {
throw new JwtAuthException(
String.format("%d%s%s", HttpStatus.UNAUTHORIZED.value(), SERVICE_CODE_ACCESS_TOKEN, "00"),
"Unauthorized. [client not found]");
}
if (StringUtils.isBlank(clientSecret)) {
throw new JwtAuthException(
String.format("%d%s%s", HttpStatus.BAD_REQUEST.value(), SERVICE_CODE_ACCESS_TOKEN, "02"),
"Invalid Mandatory Field {client_secret}");
}
if (!StringUtils.equals(clientDetails.getClientSecret(), clientSecret)) {
throw new JwtAuthException(
String.format("%d%s%s", HttpStatus.UNAUTHORIZED.value(), SERVICE_CODE_ACCESS_TOKEN, "00"),
"Unauthorized. [Bad client credentials(Client Secret is not match)]");
}
if (scopeSet.isEmpty()) {
throw new JwtAuthException(
String.format("%d%s%s", HttpStatus.BAD_REQUEST.value(), SERVICE_CODE_ACCESS_TOKEN, "02"),
"Invalid Mandatory Field {scope}");
}
if (!clientDetails.getScope().containsAll(scopeSet)) {
throw new JwtAuthException(
String.format("%d%s%s", HttpStatus.UNAUTHORIZED.value(), SERVICE_CODE_ACCESS_TOKEN, "00"),
"Unauthorized. [Bad client credentials(Include unacceptable scope)]");
}
}
private TokenEndpoint tokenEndpoint() {
return BeanUtils.getBean("tokenEndpoint", TokenEndpoint.class);
}
private void logTokenIssuance(boolean isSuccess, boolean isRestrictionExempt, String resultMessage, String accessToken) {
try {
if (!EAIDBLogControl.isEnable()) {
logger.warn("DB logging is disabled. Skipping token issuance logging.");
return;
}
RequestContextData data = RequestContextData.ThreadLocalRequestContext.get();
OAuth2Manager.getInstance();
TokenIssuanceLog log = new TokenIssuanceLog();
String clientId = data.getClientId();
log.setClientId(clientId);
if(StringUtils.isNotBlank(clientId)) {
ClientVO clientVO = OAuth2Manager.getInstance().getClientInfo(clientId);
log.setAppName(clientVO.getClientName());
log.setOrgId(clientVO.getOrgId());
log.setOrgName(clientVO.getOrgName());
}
log.setGrantType(data.getGrantType());
log.setScope(data.getScope());
log.setIpAddress(data.getIpAddress());
log.setSuccessYn(isSuccess ? "Y" : "N");
log.setIssuanceDateTime(LocalDateTime.now());
log.setRestrictionExemptYn(isRestrictionExempt ? "Y" : "N");
log.setResultMessage(resultMessage);
log.setAccessToken(accessToken); // Add access token value to the log
tokenIssuanceLogDAO.saveTokenIssuanceLog(log);
} catch (Throwable th) {
logger.error("Error while logging token issuance: " + th.getMessage(), th);
}
}
public static void main(String[] args) throws Exception {
// First generate a public/private key pair
KeyPairGenerator generator = KeyPairGenerator.getInstance("RSA");
// generator.initialize(512, new SecureRandom());
//generator.initialize(1024, new SecureRandom());
generator.initialize(2048, new SecureRandom());
KeyPair pair = generator.generateKeyPair();
// The private key can be used to sign (not encrypt!) a message. The public key
// holder can then verify the message.
String message = "sSGJDwlJsel5WeXodzd3J3MQ20KYCZpL|2022-12-21T14:36:19+07:00";
// Let's sign our message
Signature privateSignature = Signature.getInstance("SHA256withRSA");
privateSignature.initSign(pair.getPrivate());
privateSignature.update(message.getBytes(StandardCharsets.UTF_8));
// System.out.println("private key=" + Base64.getEncoder().encodeToString(pair.getPrivate().getEncoded()));
byte[] signature = privateSignature.sign();
//System.out.println("signature=" + new String(signature, StandardCharsets.UTF_8));
// System.out.println("signature=" + Base64.getEncoder().encodeToString(signature));
// Let's check the signature
Signature publicSignature = Signature.getInstance("SHA256withRSA");
publicSignature.initVerify(pair.getPublic());
publicSignature.update(message.getBytes(StandardCharsets.UTF_8));
boolean isCorrect = publicSignature.verify(signature);
// System.out.println("public key=" + Base64.getEncoder().encodeToString(pair.getPublic().getEncoded()));
// System.out.println("Signature correct: " + isCorrect);
// The public key can be used to encrypt a message, the private key can be used
// to decrypt it.
// Encrypt the message
Cipher encryptCipher = Cipher.getInstance("RSA");
encryptCipher.init(Cipher.ENCRYPT_MODE, pair.getPublic());
byte[] cipherText = encryptCipher.doFinal(message.getBytes(StandardCharsets.UTF_8));
// Now decrypt it
Cipher decriptCipher = Cipher.getInstance("RSA");
decriptCipher.init(Cipher.DECRYPT_MODE, pair.getPrivate());
String decipheredMessage = new String(decriptCipher.doFinal(cipherText), StandardCharsets.UTF_8);
// System.out.println(decipheredMessage);
}
}