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seed 암호화

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jaewohong
2026-01-09 17:30:44 +09:00
parent 582adc847f
commit 746fd44fd6
2 changed files with 98 additions and 97 deletions
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src/main/java/com/eactive/eai/adapter/service/ApiAdapterService.java
+97 -94
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@@ -51,6 +51,7 @@ import java.io.IOException;
import java.io.ObjectInputStream;
import org.springframework.security.oauth2.provider.ClientDetails;
import com.nimbusds.jwt.SignedJWT;
import com.eactive.eai.common.context.ElinkTransactionContext;
@Service
@@ -68,6 +69,7 @@ public class ApiAdapterService extends HttpAdapterServiceSupport {
private static final String FILE_GROUP_NAME = "image-file";
private static final String UPLOAD_ROOT_PATH = "UPLOAD_ROOT_PATH";
public static final String PAYLOAD_PARAM_NAME_CLIENT_ID = "client_id"; // jwhong
private boolean encryptResponseApply; // inbound에 대한 응답 암호화 여부 flag
public String callApi(HttpServletRequest request, HttpServletResponse response, Properties httpProp, AdapterGroupVO adapterGroupVO, AdapterVO adapterVO, Properties transactionProp) throws Exception {
int traceLevel = 0;
@@ -124,8 +126,11 @@ public class ApiAdapterService extends HttpAdapterServiceSupport {
transactionProp.put(INBOUND_TOKEN, inboundToken);
transactionProp.put(ENCRYPT_AES256_IV, httpProp.getProperty(ENCRYPT_AES256_IV, "")); //jwhong
transactionProp.put(ENCRYPT_AES256_KEY, httpProp.getProperty(ENCRYPT_AES256_KEY, "")); //jwhong
// SEED 컬럼암호하 시 Key로 사용함
String seedkey = getHeaders(request).getOrDefault("x-obp-partnercode", "").toString();
ElinkTransactionContext.setSeedKey(seedkey);
try {
traceLevel = Integer.parseInt(traceLevelTemp);
} catch (Exception e) {
@@ -317,29 +322,10 @@ public class ApiAdapterService extends HttpAdapterServiceSupport {
result = mapper.writeValueAsString(rootNode);
}
}
// KJBank는 요청에 대한 응답 (Sync응답, Aync 에 대한 Ack응답) 에 대하여 암호화 하지 않는다. 무조건 안한다. 따라서 아래부분은 구현은 했지만 사용하지 않는다.
//result = doPostEncryption(result, transactionProp); // jwhong Encrypt
// ASYNC 인 경우 광주은행은 RETURN 해 주는 값들이 수정되어야 한다. JWHONG
/*
if ("ASYN".equals(syncAsyncType) && MessageType.JSON.equals(adptMsgType) && StringUtils.isNotBlank(headerGroupName)) {
ObjectMapper mapper = new ObjectMapper();
ObjectNode rootNode = (ObjectNode) mapper.readTree(result);
JsonNode headerGroup = rootNode.get(headerGroupName);
if(headerGroup != null) {
for(Iterator<String> it = headerGroup.fieldNames(); it.hasNext();) {
String name = it.next();
String value = headerGroup.get(name).asText();
response.addHeader(name, value);
}
rootNode.remove(headerGroupName);
result = mapper.writeValueAsString(rootNode);
}
}
*/
// KJBank는 요청에 대한 응답 (Sync응답, Aync 에 대한 Ack응답) 에 대하여 암호화 하지 않는다. 무조건 안한다. 따라서 아래부분은 구현은 했지만 사용하지 않는다.
//result = doPostEncryption(result, transactionProp); // jwhong Encrypt
// KJBank는 요청에 대한 응답 (Sync응답, Aync 에 대한 Ack응답) 에 대하여 암호화 하지 않는다. 무조건 안한다. 따라서 아래부분은 구현은 했지만 사용하지 않는다.
encryptResponseApply = StringUtils.equalsIgnoreCase(httpProp.getProperty("ENCRYPT_RESPONSE_APPLY", "N"), "Y");
result = doPostEncryption(result, transactionProp, request); // jwhong Encrypt
return result;
}
@@ -382,7 +368,7 @@ public class ApiAdapterService extends HttpAdapterServiceSupport {
decryptedMessage = doInboundPreDecrypt(eaiBody, decryptAlgorithm,clientSecret,secretAES256Iv, secretAES256Key );
if (decryptedMessage == null) {
throw new Exception("[HttpClient5AdapterServiceRest] Decrypt Error : Invalid encrypted message");
throw new Exception("[ApiAdapterService] Decrypt Error : Invalid encrypted message");
}
@@ -393,19 +379,26 @@ public class ApiAdapterService extends HttpAdapterServiceSupport {
// jwhong encrypt
private String doPostEncryption(String eaiBody, Properties transactionProp) {
private String doPostEncryption(String eaiBody, Properties transactionProp, HttpServletRequest request) throws Exception {
if ( !encryptResponseApply) {
return eaiBody;
}
String decryptAlgorithm = transactionProp.getProperty(ENCRYPT_ALGORITHM, "");
String xElinkClientId = transactionProp.getProperty(HEADER_NAME_CLIENT_ID, ""); // 이 값이 OAuth의 client id 값이다 . http header 에 포함되어 온다. jwhong
String encryptBaseKeyType = transactionProp.getProperty(ENCRYPT_BASE_TYPE);
String inboundToken = transactionProp.getProperty(INBOUND_TOKEN, "");
String inboundToken = "";
String secretAES256Iv = transactionProp.getProperty("ENCRYPT_AES256_IV");
String secretAES256Key = transactionProp.getProperty("ENCRYPT_AES256_KEY");
if ( decryptAlgorithm == "" ) { // 복호화 대상이 아님
return eaiBody;
}
inboundToken = JwtTokenExtractor(request);
xElinkClientId = JwtClientIdExtractor(inboundToken); // token에서 client id를 추출함
// 암호화 key를 token 내용으로 할지 client secret 내용으로 할지 결정함. adapter property에 정의함
// ENCRYPT_ALGORITHM 을 설정했는데 ENCRYPT_BASE_TYPE을 설정안하면 Decrypt 수행시 Exception 발생함
@@ -421,12 +414,16 @@ public class ApiAdapterService extends HttpAdapterServiceSupport {
}
}
byte[] decryptedMessage = null;
decryptedMessage = doInboundPostEncrypt(eaiBody, decryptAlgorithm,clientSecret,secretAES256Iv, secretAES256Key );
String encryptedMessage = null;
encryptedMessage = doInboundPostEncrypt(eaiBody, decryptAlgorithm,clientSecret,secretAES256Iv, secretAES256Key );
String resultMessage = new String(decryptedMessage, StandardCharsets.UTF_8 );
return resultMessage;
//return new String(decryptedMessage, StandardCharsets.UTF_8 );
if (encryptedMessage == null) {
throw new Exception("[ApiAdapterService] Encrypt Error : Invalid PlainText message");
}
return encryptedMessage;
//String resultMessage = new String(encryptedMessage, StandardCharsets.UTF_8 );
//return resultMessage;
}
@@ -466,7 +463,7 @@ public class ApiAdapterService extends HttpAdapterServiceSupport {
eaiStringBody = extractBodyMsg(decryptAlgorithm, eaiStringBody);
if (eaiStringBody == null) {
throw new Exception("[HttpClient5AdapterServiceRest] Cannot decrypt Error : input is plain text");
throw new Exception("[ApiAdapterService] Cannot decrypt Error : input is plain text");
}
//test source
@@ -568,28 +565,7 @@ public class ApiAdapterService extends HttpAdapterServiceSupport {
String decryptedJsonKey = "";
String decryptedBodyMessage = "";
switch (decryptAlgorithm) {
case "AES128":
case "AES128-TOSS":
decryptedJsonKey = "preScreeningRequest";
break;
case "AES128-TOGETHER":
decryptedJsonKey = "obpTxData";
break;
case "AES256":
decryptedJsonKey = "preScreeningRequest";
break;
case "AES256-KAKAO":
decryptedJsonKey = "encrypted_data";
break;
case "AES256-TOSS":
decryptedJsonKey = "encryptedData";
break;
case "AES256GCM":
break;
default:
break;
}
decryptedJsonKey = getJsonKey(decryptAlgorithm);
try {
JSONParser parser = new JSONParser();
@@ -603,74 +579,95 @@ public class ApiAdapterService extends HttpAdapterServiceSupport {
return decryptedBodyMessage;
}
private byte[] doInboundPostEncrypt(String eaiStringBody, String encryptAlgorithm, String clientSecretKey, String secretAES256Iv, String secretAES256Key) {
byte[] encryptedMessage = null;
//String eaiStringBody = new String(eaiBody, StandardCharsets.UTF_8);
//test source
logger.debug("Base64 문자열: " + eaiStringBody);
logger.debug("Base64 문자열 길이: " + eaiStringBody.length());
logger.debug("Base64 문자열 끝: " + eaiStringBody.substring(eaiStringBody.length() - 10));
private String getJsonKey(String Algorithm) {
// Base64 디코딩 테스트
try {
byte[] decoded = Base64.getDecoder().decode(eaiStringBody);
logger.debug("디코딩 성공, 길이: " + decoded.length);
} catch (IllegalArgumentException e) {
logger.debug("Base64 디코딩 실패: " + e.getMessage());
}
// end test source
String jsonKey = "";
switch (Algorithm) {
case "AES128":
case "AES128-TOSS":
jsonKey = "preScreeningRequest";
break;
case "AES128-TOGETHER":
jsonKey = "obpTxData";
break;
case "AES256":
jsonKey = "preScreeningRequest";
break;
case "AES256-KAKAO":
jsonKey = "encrypted_data";
break;
case "AES256-TOSS":
jsonKey = "encryptedData";
break;
case "AES256-NICEON":
jsonKey = "enc_data";
break;
case "AES256GCM":
break;
default:
break;
}
return jsonKey;
}
private String doInboundPostEncrypt(String eaiStringBody, String encryptAlgorithm, String clientSecretKey, String secretAES256Iv, String secretAES256Key) {
//byte[] encryptedMessage = null;
String encryptedStrMessage = null;
String encryptedJsonKey = "";
encryptedJsonKey = getJsonKey(encryptAlgorithm);
switch (encryptAlgorithm) {
case "AES128":
case "AES128-TOSS":
try {
String key128 = clientSecretKey.substring(22,38); //togetherEncoder 경우는 substring(44,60) 이네??
String decryptedStrMessage = AESCipher.encrypt(eaiStringBody, key128);
encryptedMessage = decryptedStrMessage.getBytes(StandardCharsets.UTF_8);
encryptedStrMessage = AESCipher.encrypt(eaiStringBody, key128);
//encryptedMessage = encryptedStrMessage.getBytes(StandardCharsets.UTF_8);
} catch (Exception e) {
e.printStackTrace();
logger.error("HttpClientAdapterServiceRest] AES128 Decryption error=" + e.getMessage());
logger.error("HttpClientAdapterServiceRest] AES128 Encryption error=" + e.getMessage());
}
break;
case "AES128-TOGETHER":
try {
String key128 = clientSecretKey.substring(44,60); //togetherEncoder 경우는 substring(44,60) 이네??
String decryptedStrMessage = AESCipher.encrypt(eaiStringBody, key128);
encryptedMessage = decryptedStrMessage.getBytes(StandardCharsets.UTF_8);
encryptedStrMessage = AESCipher.encrypt(eaiStringBody, key128);
//encryptedMessage = encryptedStrMessage.getBytes(StandardCharsets.UTF_8);
} catch (Exception e) {
e.printStackTrace();
logger.error("HttpClientAdapterServiceRest] AES128 Decryption error=" + e.getMessage());
logger.error("HttpClientAdapterServiceRest] AES128 Encryption error=" + e.getMessage());
}
break;
case "AES256":
try {
String key = clientSecretKey.substring(10,42);
String decryptedStrMessage = AES256Cipher.encrypt(eaiStringBody, key);
encryptedMessage = decryptedStrMessage.getBytes(StandardCharsets.UTF_8);
encryptedStrMessage = AES256Cipher.encrypt(eaiStringBody, key);
//encryptedMessage = encryptedStrMessage.getBytes(StandardCharsets.UTF_8);
} catch (Exception e) {
e.printStackTrace();
logger.error("HttpClientAdapterServiceRest] AES256 Decryption error=" + e.getMessage());
logger.error("HttpClientAdapterServiceRest] AES256 Encryption error=" + e.getMessage());
}
break;
case "AES256-KAKAO":
try {
String decryptedStrMessage = AES256Cipher.encrypt(eaiStringBody, secretAES256Iv, secretAES256Key);
encryptedMessage = decryptedStrMessage.getBytes(StandardCharsets.UTF_8);
encryptedStrMessage = AES256Cipher.encrypt(eaiStringBody, secretAES256Iv, secretAES256Key);
//encryptedMessage = encryptedStrMessage.getBytes(StandardCharsets.UTF_8);
} catch (Exception e) {
e.printStackTrace();
logger.error("HttpClientAdapterServiceRest] AES256 Decryption error=" + e.getMessage());
logger.error("HttpClientAdapterServiceRest] AES256 Encryption error=" + e.getMessage());
}
break;
case "AES256-TOSS":
try {
String decryptedStrMessage = AES256Cipher.encrypt(eaiStringBody, secretAES256Iv, secretAES256Key);
encryptedMessage = decryptedStrMessage.getBytes(StandardCharsets.UTF_8);
encryptedStrMessage = AES256Cipher.encrypt(eaiStringBody, secretAES256Iv, secretAES256Key);
//encryptedMessage = encryptedStrMessage.getBytes(StandardCharsets.UTF_8);
} catch (Exception e) {
e.printStackTrace();
logger.error("HttpClientAdapterServiceRest] AES256 Decryption error=" + e.getMessage());
logger.error("HttpClientAdapterServiceRest] AES256 Encryption error=" + e.getMessage());
}
break;
@@ -680,8 +677,8 @@ public class ApiAdapterService extends HttpAdapterServiceSupport {
AES256GCMCipher cipher = new AES256GCMCipher(key);
byte[] aad = "metadata".getBytes();
String decryptedStrMessage = cipher.encrypt(eaiStringBody , aad);
encryptedMessage = decryptedStrMessage.getBytes(StandardCharsets.UTF_8);
encryptedStrMessage = cipher.encrypt(eaiStringBody , aad);
//encryptedMessage = encryptedStrMessage.getBytes(StandardCharsets.UTF_8);
} catch (Exception e) {
e.printStackTrace();
@@ -690,7 +687,8 @@ public class ApiAdapterService extends HttpAdapterServiceSupport {
break;
default:
try {
encryptedMessage = eaiStringBody.getBytes();
encryptedStrMessage = eaiStringBody;
//encryptedMessage = eaiStringBody.getBytes();
} catch (Exception e) {
e.printStackTrace();
logger.error("HttpClientAdapterServiceRest] doOutboundPostFilter Array copy error=" + e.getMessage());
@@ -698,7 +696,12 @@ public class ApiAdapterService extends HttpAdapterServiceSupport {
break;
}
return encryptedMessage;
Map<String, Object> map = new HashMap<>();
map.put(encryptedJsonKey, encryptedStrMessage);
JSONObject json = new JSONObject();
json.putAll(map);
return json.toJSONString();
//return encryptedMessage;
}