+/*
+ * ============LICENSE_START==========================================
+ * ONAP Portal
+ * ===================================================================
+ * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * ===================================================================
+ * Modifications Copyright (c) 2019 Samsung
+ * ===================================================================
+ *
+ * Unless otherwise specified, all software contained herein is licensed
+ * under the Apache License, Version 2.0 (the "License");
+ * you may not use this software except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Unless otherwise specified, all documentation contained herein is licensed
+ * under the Creative Commons License, Attribution 4.0 Intl. (the "License");
+ * you may not use this documentation except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://creativecommons.org/licenses/by/4.0/
+ *
+ * Unless required by applicable law or agreed to in writing, documentation
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * ============LICENSE_END============================================
+ *
+ *
+ */
+
+package org.onap.portal.service;
+
+import static com.att.eelf.configuration.Configuration.MDC_KEY_REQUEST_ID;
+
+import com.google.gson.Gson;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.Base64;
+import javax.servlet.http.HttpServletResponse;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import org.apache.commons.lang.StringUtils;
+import org.apache.cxf.jaxrs.client.WebClient;
+import org.apache.cxf.jaxrs.impl.ResponseImpl;
+import org.apache.cxf.transport.http.HTTPException;
+import org.onap.portal.domain.db.fn.FnApp;
+import org.onap.portal.logging.aop.EPMetricsLog;
+import org.onap.portal.logging.format.EPAppMessagesEnum;
+import org.onap.portal.logging.logic.EPLogUtil;
+import org.onap.portal.service.fn.old.AppsCacheService;
+import org.onap.portal.utils.EPCommonSystemProperties;
+import org.onap.portal.utils.EcompPortalUtils;
+import org.onap.portal.utils.SystemType;
+import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
+import org.onap.portalsdk.core.onboarding.exception.CipherUtilException;
+import org.onap.portalsdk.core.onboarding.util.CipherUtil;
+import org.onap.portalsdk.core.util.SystemProperties;
+import org.slf4j.MDC;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class ApplicationsRestClientService {
+
+ private static final String PASSWORD_HEADER = "password";
+ private static final String APP_USERNAME_HEADER = "username";
+ private static final String BASIC_AUTHENTICATION_HEADER = "Authorization";
+
+ private static EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(ApplicationsRestClientService.class);
+
+ Gson gson = null;
+
+ private final AppsCacheService appsCacheService;
+
+ @Autowired
+ public ApplicationsRestClientService(AppsCacheService appsCacheService) {
+ this.appsCacheService = appsCacheService;
+ }
+
+ private static boolean isHttpSuccess(int status) {
+ return status / 100 == 2;
+ }
+
+ @EPMetricsLog
+ private void verifyResponse(Response response, String restPath) throws HTTPException {
+ int status = response.getStatus();
+ logger.debug(EELFLoggerDelegate.debugLogger, "http response status=" + status);
+ MDC.put(EPCommonSystemProperties.EXTERNAL_API_RESPONSE_CODE, Integer.toString(status));
+ if (!isHttpSuccess(status)) {
+ String errMsg =
+ "Failed. Status=" + status + restPath + "; [" + ((ResponseImpl) response).getStatusInfo()
+ .getReasonPhrase().toString()
+ + "]";
+ URL url = null;
+ try {
+ // must not be null to avoid NPE in HTTPException constructor
+ url = new URL("http://null");
+ if (((ResponseImpl) response).getLocation() != null) {
+ url = ((ResponseImpl) response).getLocation().toURL();
+ }
+ } catch (MalformedURLException e) {
+ // never mind. it is only for the debug message.
+ logger.warn(EELFLoggerDelegate.errorLogger, "Failed to build URL", e);
+ }
+ logger.error(EELFLoggerDelegate.errorLogger,
+ "http response failed. " + restPath + errMsg + "; url=" + url);
+ EPLogUtil.logEcompError(logger, EPAppMessagesEnum.BeIncorrectHttpStatusError);
+ throw new HTTPException(status, errMsg, url);
+ }
+ }
+
+ private WebClient createClientForApp(long appId, String restPath) {
+ return createClientFor(appId, restPath, SystemType.APPLICATION);
+ }
+
+ private static WebClient createClientForPath(String baseUri, String path) {
+ logger.info(EELFLoggerDelegate.debugLogger, "Creating web client for " + baseUri + " + " + path);
+ WebClient client = WebClient.create(baseUri);
+ client.type(MediaType.APPLICATION_JSON).accept(MediaType.APPLICATION_JSON);
+ client.path(path);
+ return client;
+ }
+
+ //TODO Need to implement the mylogins once the endpoint is confirmed
+ @EPMetricsLog
+ private WebClient createClientFor(long appSystemId, String restPath, SystemType type) {
+ logger.debug(EELFLoggerDelegate.debugLogger,
+ "creating client for appId=" + appSystemId + "; restPath=" + restPath);
+ FnApp externalApp = null;
+
+ if (type == SystemType.APPLICATION) {
+ externalApp = appsCacheService.getApp(appSystemId);
+ } else {
+ // TO DO
+ }
+
+ if (externalApp != null) {
+ String appBaseUri = (type == SystemType.APPLICATION) ? externalApp.getAppRestEndpoint() : "";
+ String username = (type == SystemType.APPLICATION) ? externalApp.getAppUsername() : "";
+ String encriptedPwd = (type == SystemType.APPLICATION) ? externalApp.getAppPassword() : "";
+
+ String appName = (type == SystemType.APPLICATION) ? externalApp.getAppName() : "";
+ String decreptedAppPwd = StringUtils.EMPTY;
+
+ // Set local context
+ MDC.put(EPCommonSystemProperties.PROTOCOL, EPCommonSystemProperties.HTTP);
+ if (appBaseUri != null && appBaseUri.contains("https")) {
+ MDC.put(EPCommonSystemProperties.PROTOCOL, EPCommonSystemProperties.HTTPS);
+ }
+ MDC.put(EPCommonSystemProperties.FULL_URL, appBaseUri + restPath);
+ MDC.put(EPCommonSystemProperties.TARGET_ENTITY, appName);
+ MDC.put(EPCommonSystemProperties.TARGET_SERVICE_NAME, restPath);
+
+ if (!encriptedPwd.isEmpty() || encriptedPwd != null || StringUtils.isEmpty(encriptedPwd)) {
+ try {
+ decreptedAppPwd = CipherUtil.decryptPKC(encriptedPwd,
+ SystemProperties.getProperty(SystemProperties.Decryption_Key));
+ } catch (Exception e) {
+ logger.error(EELFLoggerDelegate.errorLogger, "createClientFor failed to decrypt", e);
+ }
+ }
+ WebClient client = createClientForPath(appBaseUri, restPath);
+
+ if (externalApp.getAppPassword().isEmpty() || externalApp.getAppPassword() == null) {
+ logger.debug(EELFLoggerDelegate.debugLogger,
+ "Entering in the externalApp get app password contains null : {}");
+
+ externalApp = appsCacheService.getApp(1L);
+ logger.debug(EELFLoggerDelegate.debugLogger, "external App Information : {}", externalApp);
+
+ String mechidUsername = externalApp.getAppUsername();
+ logger.debug(EELFLoggerDelegate.debugLogger, "external App mechidUsername Information : {}",
+ mechidUsername);
+
+ String password = externalApp.getAppPassword();
+ String decreptedexternalAppPwd = StringUtils.EMPTY;
+ try {
+ decreptedexternalAppPwd = CipherUtil.decryptPKC(password,
+ SystemProperties.getProperty(SystemProperties.Decryption_Key));
+ } catch (CipherUtilException e) {
+ logger.error(EELFLoggerDelegate.errorLogger,
+ "failed to decreptedexternalAppPwd when external app pwd is null", e);
+ }
+
+ username = mechidUsername;
+ decreptedAppPwd = decreptedexternalAppPwd;
+
+ } else {
+ logger.debug(EELFLoggerDelegate.debugLogger,
+ "Entering in the externalApp get app password is not null : {}");
+
+ // support basic authentication for some partners
+ String encoding = Base64.getEncoder()
+ .encodeToString((username + ":" + decreptedAppPwd).getBytes());
+ String encodingStr = "Basic " + encoding;
+ client.header(BASIC_AUTHENTICATION_HEADER, encodingStr);
+ }
+
+ // But still keep code downward compatible for non compliant apps
+ client.header(APP_USERNAME_HEADER, username);
+ client.header(PASSWORD_HEADER, decreptedAppPwd);
+
+ String encoding = Base64.getEncoder()
+ .encodeToString((username + ":" + decreptedAppPwd).getBytes());
+ String encodingStr = "Basic " + encoding;
+ client.header(BASIC_AUTHENTICATION_HEADER, encodingStr);
+ client.header(SystemProperties.ECOMP_REQUEST_ID, MDC.get(MDC_KEY_REQUEST_ID));
+ client.header(SystemProperties.USERAGENT_NAME, EPCommonSystemProperties.ECOMP_PORTAL_BE);
+ logger.debug(EELFLoggerDelegate.debugLogger,
+ String.format(
+ "check the partner application URL App %d found, baseUri=[%s], Headers: [%s=%s]",
+ appSystemId, appBaseUri,
+ APP_USERNAME_HEADER, username));
+ return client;
+ }
+ return null;
+ }
+
+ public <T> T post(Class<T> clazz, long appId, Object payload, String restPath, SystemType type)
+ throws HTTPException {
+ WebClient client = null;
+ Response response = null;
+ T t = null;
+
+ client = createClientFor(appId, restPath, type);
+ EcompPortalUtils.logAndSerializeObject(logger, restPath, "POST request =", payload);
+
+ try {
+ if (client != null) {
+ response = client.post(payload);
+ } else {
+ logger.error(EELFLoggerDelegate.errorLogger,
+ "Unable to create the Webclient to make the '" + restPath + "' API call.");
+ }
+ } catch (Exception e) {
+ MDC.put(EPCommonSystemProperties.EXTERNAL_API_RESPONSE_CODE,
+ Integer.toString(HttpServletResponse.SC_INTERNAL_SERVER_ERROR));
+ EPLogUtil.logEcompError(logger, EPAppMessagesEnum.BeRestApiGeneralError, e);
+ logger.error(EELFLoggerDelegate.errorLogger,
+ "Exception occurred while making the POST REST API call", e);
+ }
+
+ if (response != null) {
+ //verifyResponse(response);
+ verifyResponse(response, restPath);
+ // String contentType = response.getHeaderString("Content-Type");
+ if (clazz != null) {
+ String str = ((ResponseImpl) response).readEntity(String.class);
+ EcompPortalUtils.logAndSerializeObject(logger, restPath, "POST result =", str);
+ try {
+ t = (T) gson.fromJson(str, clazz);
+
+ //t = gson.fromJson(str, clazz);
+ } catch (Exception e) {
+ EPLogUtil.logEcompError(logger, EPAppMessagesEnum.BeInvalidJsonInput, e);
+ }
+ }
+ }
+ return t;
+ }
+
+ public <T> T post(Class<T> clazz, long appId, Object payload, String restPath) throws HTTPException {
+ return post(clazz, appId, payload, restPath, SystemType.APPLICATION);
+ }
+
+ public <T> T put(Class<T> clazz, long appId, Object payload, String restPath) throws HTTPException {
+ WebClient client = null;
+ Response response = null;
+ T t = null;
+
+ logger.debug(EELFLoggerDelegate.debugLogger,
+ "Entering to createClientForApp method for payload: {} and restPath: {} and appId: {}",
+ payload.toString(), restPath, appId);
+
+ client = createClientForApp(appId, restPath);
+ EcompPortalUtils.logAndSerializeObject(logger, restPath, "PUT request =", payload);
+
+ logger.debug(EELFLoggerDelegate.debugLogger,
+ "Finished createClientForApp method for payload: {} and restPath: {} and appId: {}",
+ payload.toString(), restPath, appId);
+
+ try {
+ if (client != null) {
+ logger.debug(EELFLoggerDelegate.debugLogger,
+ "Entering to PUT for payload: {} and restPath: {} and appId: {}",
+ payload.toString(), restPath, appId);
+
+ response = client.put(payload);
+
+ logger.debug(EELFLoggerDelegate.debugLogger,
+ "Finished to PUT for payload: {} and restPath: {} and appId: {}",
+ payload.toString(), restPath, appId);
+
+ } else {
+ logger.error(EELFLoggerDelegate.errorLogger,
+ "Unable to create the Webclient to make the '" + restPath + "' API call.");
+ }
+ } catch (Exception e) {
+ MDC.put(EPCommonSystemProperties.EXTERNAL_API_RESPONSE_CODE,
+ Integer.toString(HttpServletResponse.SC_INTERNAL_SERVER_ERROR));
+ EPLogUtil.logEcompError(logger, EPAppMessagesEnum.BeRestApiGeneralError, e);
+ logger.error(EELFLoggerDelegate.errorLogger,
+ "Exception occurred while making the PUT REST API call", e);
+ }
+
+ if (response != null) {
+ //verifyResponse(response);
+ verifyResponse(response, restPath);
+ String str = ((ResponseImpl) response).readEntity(String.class);
+ EcompPortalUtils.logAndSerializeObject(logger, restPath, "PUT result =", str);
+ try {
+ t = gson.fromJson(str, clazz);
+ } catch (Exception e) {
+ EPLogUtil.logEcompError(logger, EPAppMessagesEnum.BeInvalidJsonInput, e);
+ }
+ }
+ return t;
+ }
+
+ protected Response getResponse(long appId, String restPath) {
+ WebClient webClient = null;
+ Response response = null;
+
+ webClient = createClientForApp(appId, restPath);
+ EcompPortalUtils.logAndSerializeObject(logger, restPath, "GET request =", "no-payload");
+
+ try {
+ if (webClient != null) {
+ response = webClient.get();
+ } else {
+ logger.error(EELFLoggerDelegate.errorLogger,
+ "Unable to create the Webclient to make the '" + restPath + "' API call.");
+ }
+ } catch (Exception e) {
+ MDC.put(EPCommonSystemProperties.EXTERNAL_API_RESPONSE_CODE,
+ Integer.toString(HttpServletResponse.SC_INTERNAL_SERVER_ERROR));
+ EPLogUtil.logEcompError(logger, EPAppMessagesEnum.BeRestApiGeneralError, e);
+ logger.error(EELFLoggerDelegate.errorLogger,
+ "Exception occurred while making the GET REST API call", e);
+ }
+ return response;
+ }
+
+ public <T> T get(Class<T> clazz, long appId, String restPath) throws HTTPException {
+ T t = null;
+ Response response = getResponse(appId, restPath);
+
+ if (response != null) {
+ //verifyResponse(response);
+ verifyResponse(response, restPath);
+ /* It is not recommendable to use the implementation class org.apache.cxf.jaxrs.impl.ResponseImpl in the code,
+ but had to force this in-order to prevent conflict with the ResponseImpl class of Jersey Client which
+ doesn't work as expected. Created Portal-253 for tracking */
+ String str = ((ResponseImpl) response).readEntity(String.class);
+
+ EcompPortalUtils.logAndSerializeObject(logger, restPath, "GET result =", str);
+ try {
+ t = gson.fromJson(str, clazz);
+ } catch (Exception e) {
+ EPLogUtil.logEcompError(logger, EPAppMessagesEnum.BeInvalidJsonInput, e);
+ }
+ }
+
+ return t;
+ }
+
+ public String getIncomingJsonString(final Long appId, final String restPath) throws HTTPException {
+ Response response = getResponse(appId, restPath);
+
+ if (response != null) {
+ //verifyResponse(response);
+ verifyResponse(response,restPath);
+ /* It is not recommendable to use the implementation class org.apache.cxf.jaxrs.impl.ResponseImpl in the code,
+ but had to force this in-order to prevent conflict with the ResponseImpl class of Jersey Client which
+ doesn't work as expected. Created Portal-253 for tracking */
+ String incomingJson = ((ResponseImpl)response).readEntity(String.class);
+ return incomingJson;
+ }
+
+ return "";
+ }
+}