KJB 모바일G/W방식 JWT토큰 발급
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Yunsam.Eo
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package com.eactive.eai.authserver.custom;
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import java.nio.charset.StandardCharsets;
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import java.security.KeyFactory;
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import java.security.KeyPair;
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import java.security.KeyPairGenerator;
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import java.security.Principal;
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import java.security.PublicKey;
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import java.security.SecureRandom;
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import java.security.Signature;
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import java.security.spec.X509EncodedKeySpec;
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import java.time.LocalDateTime;
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import java.util.Base64;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Set;
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import javax.crypto.Cipher;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.commons.lang3.math.NumberUtils;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.ResponseEntity;
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import org.springframework.security.oauth2.common.OAuth2AccessToken;
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import org.springframework.security.oauth2.common.util.OAuth2Utils;
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import org.springframework.security.oauth2.provider.ClientDetails;
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import org.springframework.security.oauth2.provider.OAuth2Authentication;
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import org.springframework.security.oauth2.provider.OAuth2Request;
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import org.springframework.security.oauth2.provider.endpoint.TokenEndpoint;
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import org.springframework.security.oauth2.provider.token.TokenEnhancer;
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import org.springframework.stereotype.Controller;
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import org.springframework.web.bind.annotation.RequestBody;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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import org.springframework.web.bind.annotation.ResponseBody;
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import com.eactive.eai.adapter.http.dynamic.filter.JwtAuthException;
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import com.eactive.eai.authserver.config.IssueLimitOAuth2Exception;
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import com.eactive.eai.authserver.config.AuthorizationServerConfig;
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import com.eactive.eai.authserver.config.RequestContextData;
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import com.eactive.eai.authserver.dao.TokenIssuanceLogDAO;
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import com.eactive.eai.authserver.service.OAuth2Manager;
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import com.eactive.eai.authserver.util.BeanUtils;
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import com.eactive.eai.authserver.vo.ClientVO;
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import com.eactive.eai.common.dao.DAOException;
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import com.eactive.eai.common.logger.EAIDBLogControl;
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import com.eactive.eai.common.util.Logger;
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import com.eactive.eai.common.util.UUID;
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import com.eactive.eai.data.entity.onl.authserver.TokenIssuanceLog;
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@Controller
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public class KjbMGOAuth2Controller {
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public static Logger logger = Logger.getLogger(Logger.LOGGER_DEFAULT);
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private static final String HEADER_TRACEID = "traceId";
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private static final String SERVICE_CODE_ACCESS_TOKEN = "00"; // 임시설정
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@Autowired
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private TokenIssuanceLogDAO tokenIssuanceLogDAO;
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@RequestMapping(value = "/mapi/oauth2/token2", method = RequestMethod.POST, produces = "application/json; charset=\"UTF-8\"")
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@ResponseBody
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public KjbMGOAuth2AccessTokenResponse token(@RequestBody KjbMGOAuth2AccessTokenRequest tokenRequest,
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HttpServletRequest request, HttpServletResponse response) {
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if (logger.isDebug()) {
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logger.debug(tokenRequest.toString());
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}
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KjbMGOAuth2AccessTokenResponse responseToken = new KjbMGOAuth2AccessTokenResponse();
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try {
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if (!StringUtils.equals(tokenRequest.getGrantType(), "client_credentials")) {
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throw new JwtAuthException(
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String.format("%d%s%s", HttpStatus.BAD_REQUEST.value(), SERVICE_CODE_ACCESS_TOKEN, "02"),
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"Invalid Mandatory Field {grantType}");
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}
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String grantType = tokenRequest.getGrantType();
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String clientId = tokenRequest.getClientId();
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String clientSecret = tokenRequest.getClientSecret();
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String[] scopeArr = org.springframework.util.StringUtils.tokenizeToStringArray(tokenRequest.getScope(), " ");
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Set<String> scopeSet = new HashSet<String>();
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for (String scope : scopeArr) {
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scopeSet.add(scope);
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}
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String[] resourceArr = org.springframework.util.StringUtils.tokenizeToStringArray(tokenRequest.getResource(), ",");
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Set<String> resourceSet = new HashSet<String>();
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for (String resource : resourceArr) {
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resourceSet.add(resource);
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}
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ClientDetails clientDetails = OAuth2Manager.getInstance().getClientDeatilsStore().get(clientId);
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verifyClient(clientDetails, clientId, scopeSet);
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String traceId = UUID.randomUUID().toString().replace("-", "");
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response.setHeader(HEADER_TRACEID, traceId);
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HashMap<String, String> authorizationParameters = new HashMap<String, String>();
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authorizationParameters.put(OAuth2Utils.GRANT_TYPE, grantType);
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authorizationParameters.put(OAuth2Utils.CLIENT_ID, clientId);
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authorizationParameters.put("client_secret", clientSecret);
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Set<String> responseType = new HashSet<String>();
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responseType.add(tokenRequest.getGrantType());
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OAuth2Request authorizationRequest = new OAuth2Request(authorizationParameters, clientId, null, true, scopeSet,
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resourceSet, "", responseType, null);
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Principal principal = new OAuth2Authentication(authorizationRequest, null);
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ResponseEntity<OAuth2AccessToken> result = tokenEndpoint().postAccessToken(principal,
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authorizationParameters);
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OAuth2AccessToken token = result.getBody();
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if(StringUtils.isNotBlank(token.getTokenType()) && StringUtils.equalsIgnoreCase(token.getTokenType(), "bearer")) {
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responseToken.setTokenType("Bearer");
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} else { responseToken.setTokenType(token.getTokenType()); }
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responseToken.setAccessToken(token.getValue());
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responseToken.setExpiresIn(Long.valueOf(token.getExpiresIn()));
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responseToken.setrefreshToken("");
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responseToken.setExpiresOn(System.currentTimeMillis() + (token.getExpiresIn() * 1000));
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responseToken.setScope(tokenRequest.getScope());
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responseToken.setResource(tokenRequest.getResource());
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} catch (JwtAuthException e) {
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response.setStatus(NumberUtils.toInt(StringUtils.left(e.getCode(), 3), HttpStatus.UNAUTHORIZED.value()));
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responseToken.setResponseCode(e.getCode());
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responseToken.setResponseMessage(e.getMessage());
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} catch (Exception e) {
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logger.error(e.getMessage());
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response.setStatus(HttpStatus.UNAUTHORIZED.value());
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responseToken.setResponseCode(
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String.format("%d%s%s", HttpStatus.UNAUTHORIZED.value(), SERVICE_CODE_ACCESS_TOKEN, "00"));
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responseToken.setResponseMessage("Unauthorized. [Unknown]");
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}
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return responseToken;
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}
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private void verifyClient(ClientDetails clientDetails, String clientId, Set<String> scopeSet)
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throws JwtAuthException {
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if (StringUtils.isBlank(clientId)) {
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throw new JwtAuthException(
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String.format("%d%s%s", HttpStatus.BAD_REQUEST.value(), SERVICE_CODE_ACCESS_TOKEN, "02"),
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"Invalid Mandatory Field {client_id}");
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}
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if (clientDetails == null) {
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throw new JwtAuthException(
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String.format("%d%s%s", HttpStatus.UNAUTHORIZED.value(), SERVICE_CODE_ACCESS_TOKEN, "00"),
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"Unauthorized. [client not found]");
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}
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if (scopeSet.isEmpty()) {
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throw new JwtAuthException(
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String.format("%d%s%s", HttpStatus.BAD_REQUEST.value(), SERVICE_CODE_ACCESS_TOKEN, "02"),
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"Invalid Mandatory Field {scope}");
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}
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if (!clientDetails.getScope().containsAll(scopeSet)) {
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throw new JwtAuthException(
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String.format("%d%s%s", HttpStatus.UNAUTHORIZED.value(), SERVICE_CODE_ACCESS_TOKEN, "00"),
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"Unauthorized. [Bad client credentials(Include unacceptable scope)]");
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}
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}
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private TokenEndpoint tokenEndpoint() {
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return BeanUtils.getBean("tokenEndpoint", TokenEndpoint.class);
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}
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private class TokenIssuanceLogEnhancer implements TokenEnhancer {
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@Override
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public OAuth2AccessToken enhance(OAuth2AccessToken accessToken, OAuth2Authentication authentication) {
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if (!EAIDBLogControl.isEnable()) {
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logger.warn("DB logging is disabled. Skipping token issuance logging.");
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return accessToken;
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}
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String clientId = authentication.getOAuth2Request().getClientId();
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LocalDateTime startDateTime = LocalDateTime.now().minusHours(24);
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int recentTokenCount = tokenIssuanceLogDAO.findRecentLogsForRestrictionCount(clientId, startDateTime);
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try {
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ClientVO clientVO = OAuth2Manager.getInstance().getClientInfo(clientId);
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int dailyTokenLimit = clientVO.getDailyTokenLimit();
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if (dailyTokenLimit > 0 && recentTokenCount >= dailyTokenLimit) {
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throw new IssueLimitOAuth2Exception("Token issuance limit exceeded for this client");
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}
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// JWT 변환 이후의 최종 토큰 값 로깅
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logTokenIssuance(true, false, "Token issued successfully", accessToken.getValue());
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} catch (DAOException e) {
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logger.warn("cannot find clientVo - " + clientId);
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}
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return accessToken;
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}
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}
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private void logTokenIssuance(boolean isSuccess, boolean isRestrictionExempt, String resultMessage, String accessToken) {
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try {
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if (!EAIDBLogControl.isEnable()) {
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logger.warn("DB logging is disabled. Skipping token issuance logging.");
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return;
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}
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RequestContextData data = RequestContextData.ThreadLocalRequestContext.get();
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OAuth2Manager.getInstance();
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TokenIssuanceLog log = new TokenIssuanceLog();
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String clientId = data.getClientId();
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log.setClientId(clientId);
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if(StringUtils.isNotBlank(clientId)) {
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ClientVO clientVO = OAuth2Manager.getInstance().getClientInfo(clientId);
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log.setAppName(clientVO.getClientName());
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log.setOrgId(clientVO.getOrgId());
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log.setOrgName(clientVO.getOrgName());
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}
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log.setGrantType(data.getGrantType());
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log.setScope(data.getScope());
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log.setIpAddress(data.getIpAddress());
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log.setSuccessYn(isSuccess ? "Y" : "N");
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log.setIssuanceDateTime(LocalDateTime.now());
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log.setRestrictionExemptYn(isRestrictionExempt ? "Y" : "N");
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log.setResultMessage(resultMessage);
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log.setAccessToken(accessToken); // Add access token value to the log
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tokenIssuanceLogDAO.saveTokenIssuanceLog(log);
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} catch (Throwable th) {
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logger.error("Error while logging token issuance: " + th.getMessage(), th);
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}
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}
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public static void main(String[] args) throws Exception {
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// First generate a public/private key pair
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KeyPairGenerator generator = KeyPairGenerator.getInstance("RSA");
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// generator.initialize(512, new SecureRandom());
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//generator.initialize(1024, new SecureRandom());
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generator.initialize(2048, new SecureRandom());
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KeyPair pair = generator.generateKeyPair();
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// The private key can be used to sign (not encrypt!) a message. The public key
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// holder can then verify the message.
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String message = "sSGJDwlJsel5WeXodzd3J3MQ20KYCZpL|2022-12-21T14:36:19+07:00";
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// Let's sign our message
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Signature privateSignature = Signature.getInstance("SHA256withRSA");
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privateSignature.initSign(pair.getPrivate());
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privateSignature.update(message.getBytes(StandardCharsets.UTF_8));
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System.out.println(
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"private key=" + Base64.getEncoder().encodeToString(pair.getPrivate().getEncoded()));
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byte[] signature = privateSignature.sign();
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//System.out.println("signature=" + new String(signature, StandardCharsets.UTF_8));
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System.out.println("signature=" + Base64.getEncoder().encodeToString(signature));
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// Let's check the signature
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Signature publicSignature = Signature.getInstance("SHA256withRSA");
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publicSignature.initVerify(pair.getPublic());
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publicSignature.update(message.getBytes(StandardCharsets.UTF_8));
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boolean isCorrect = publicSignature.verify(signature);
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System.out.println("public key=" + Base64.getEncoder().encodeToString(pair.getPublic().getEncoded()));
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System.out.println("Signature correct: " + isCorrect);
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// The public key can be used to encrypt a message, the private key can be used
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// to decrypt it.
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// Encrypt the message
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Cipher encryptCipher = Cipher.getInstance("RSA");
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encryptCipher.init(Cipher.ENCRYPT_MODE, pair.getPublic());
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byte[] cipherText = encryptCipher.doFinal(message.getBytes(StandardCharsets.UTF_8));
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// Now decrypt it
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Cipher decriptCipher = Cipher.getInstance("RSA");
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decriptCipher.init(Cipher.DECRYPT_MODE, pair.getPrivate());
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String decipheredMessage = new String(decriptCipher.doFinal(cipherText), StandardCharsets.UTF_8);
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System.out.println(decipheredMessage);
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}
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}
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