--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * MODEL LOADER SERVICE
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.modelloader.restclient;
+
+import com.sun.jersey.api.client.Client;
+import com.sun.jersey.api.client.ClientResponse;
+import com.sun.jersey.api.client.config.ClientConfig;
+import com.sun.jersey.api.client.config.DefaultClientConfig;
+import com.sun.jersey.api.client.filter.LoggingFilter;
+import com.sun.jersey.client.urlconnection.HTTPSProperties;
+import org.openecomp.cl.api.LogFields;
+import org.openecomp.cl.api.LogLine;
+import org.openecomp.cl.api.Logger;
+import org.openecomp.cl.eelf.LoggerFactory;
+import org.openecomp.cl.mdc.MdcContext;
+import org.openecomp.cl.mdc.MdcOverride;
+import org.openecomp.modelloader.config.ModelLoaderConfig;
+import org.openecomp.modelloader.service.ModelLoaderMsgs;
+import org.w3c.dom.Document;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
+
+import java.io.ByteArrayOutputStream;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.PrintStream;
+import java.io.StringReader;
+import java.security.GeneralSecurityException;
+import java.security.KeyStore;
+import java.security.cert.X509Certificate;
+import java.text.SimpleDateFormat;
+
+import javax.net.ssl.HostnameVerifier;
+import javax.net.ssl.HttpsURLConnection;
+import javax.net.ssl.KeyManagerFactory;
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLSession;
+import javax.net.ssl.TrustManager;
+import javax.net.ssl.X509TrustManager;
+import javax.ws.rs.core.Response;
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+
+public class AaiRestClient {
+ public enum MimeType {
+ XML("application/xml"), JSON("application/json");
+
+ private String httpType;
+
+ MimeType(String httpType) {
+ this.httpType = httpType;
+ }
+
+ String getHttpHeaderType() {
+ return httpType;
+ }
+ }
+
+ private static String HEADER_TRANS_ID = "X-TransactionId";
+ private static String HEADER_FROM_APP_ID = "X-FromAppId";
+ private static String HEADER_AUTHORIZATION = "Authorization";
+ private static String ML_APP_NAME = "ModelLoader";
+ private static String RESOURCE_VERSION_PARAM = "resource-version";
+
+ private static SimpleDateFormat dateFormatter = new SimpleDateFormat(
+ "yyyy-MM-dd'T'HH:mm:ss.SSSXXX");
+
+ private static Logger logger = LoggerFactory.getInstance()
+ .getLogger(AaiRestClient.class.getName());
+ private static Logger metricsLogger = LoggerFactory.getInstance()
+ .getMetricsLogger(AaiRestClient.class.getName());
+
+ private ModelLoaderConfig config = null;
+
+ public AaiRestClient(ModelLoaderConfig config) {
+ this.config = config;
+ }
+
+ /**
+ * Send a PUT request to the A&AI.
+ *
+ * @param url
+ * - the url
+ * @param transId
+ * - transaction ID
+ * @param payload
+ * - the XML or JSON payload for the request
+ * @param mimeType
+ * - the content type (XML or JSON)
+ * @return ClientResponse
+ */
+ public ClientResponse putResource(String url, String payload, String transId, MimeType mimeType) {
+ ClientResponse result = null;
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ long startTimeInMs = 0;
+ MdcOverride override = new MdcOverride();
+
+ try {
+ Client client = setupClient();
+
+ baos = new ByteArrayOutputStream();
+ PrintStream ps = new PrintStream(baos);
+ if (logger.isDebugEnabled()) {
+ client.addFilter(new LoggingFilter(ps));
+ }
+
+ // Grab the current time so that we can use it for metrics purposes later.
+ startTimeInMs = System.currentTimeMillis();
+ override.addAttribute(MdcContext.MDC_START_TIME, dateFormatter.format(startTimeInMs));
+
+ if (useBasicAuth()) {
+ result = client.resource(url).header(HEADER_TRANS_ID, transId)
+ .header(HEADER_FROM_APP_ID, ML_APP_NAME)
+ .header(HEADER_AUTHORIZATION, getAuthenticationCredentials())
+ .type(mimeType.getHttpHeaderType()).put(ClientResponse.class, payload);
+ } else {
+ result = client.resource(url).header(HEADER_TRANS_ID, transId)
+ .header(HEADER_FROM_APP_ID, ML_APP_NAME).type(mimeType.getHttpHeaderType())
+ .put(ClientResponse.class, payload);
+ }
+ } catch (Exception ex) {
+ logger.error(ModelLoaderMsgs.AAI_REST_REQUEST_ERROR, "PUT", url, ex.getLocalizedMessage());
+ return null;
+ } finally {
+ if (logger.isDebugEnabled()) {
+ logger.debug(baos.toString());
+ }
+ }
+
+ if ((result != null) && ((result.getStatus() == Response.Status.CREATED.getStatusCode())
+ || (result.getStatus() == Response.Status.OK.getStatusCode()))) {
+ logger.info(ModelLoaderMsgs.AAI_REST_REQUEST_SUCCESS, "PUT", url,
+ Integer.toString(result.getStatus()));
+ metricsLogger.info(ModelLoaderMsgs.AAI_REST_REQUEST_SUCCESS,
+ new LogFields().setField(LogLine.DefinedFields.RESPONSE_CODE, result.getStatus())
+ .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION,
+ result.getResponseStatus().toString()),
+ override, "PUT", url, Integer.toString(result.getStatus()));
+ } else {
+ // If response is not 200 OK, then additionally log the reason
+ String respMsg = result.getEntity(String.class);
+ if (respMsg == null) {
+ respMsg = result.getStatusInfo().getReasonPhrase();
+ }
+ logger.info(ModelLoaderMsgs.AAI_REST_REQUEST_UNSUCCESSFUL, "PUT", url,
+ Integer.toString(result.getStatus()), respMsg);
+ metricsLogger.info(ModelLoaderMsgs.AAI_REST_REQUEST_UNSUCCESSFUL,
+ new LogFields().setField(LogLine.DefinedFields.RESPONSE_CODE, result.getStatus())
+ .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION,
+ result.getResponseStatus().toString()),
+ override, "PUT", url, Integer.toString(result.getStatus()), respMsg);
+ }
+
+ return result;
+ }
+
+ /**
+ * Send a DELETE request to the A&AI.
+ *
+ * @param url
+ * - the url
+ * @param resourceVersion
+ * - the resource-version of the model to delete
+ * @param transId
+ * - transaction ID
+ * @return ClientResponse
+ */
+ public ClientResponse deleteResource(String url, String resourceVersion, String transId) {
+ ClientResponse result = null;
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ long startTimeInMs = 0;
+ MdcOverride override = new MdcOverride();
+
+ try {
+ Client client = setupClient();
+
+ baos = new ByteArrayOutputStream();
+ PrintStream ps = new PrintStream(baos);
+ if (logger.isDebugEnabled()) {
+ client.addFilter(new LoggingFilter(ps));
+ }
+
+ // Grab the current time so that we can use it for metrics purposes later.
+ startTimeInMs = System.currentTimeMillis();
+ override.addAttribute(MdcContext.MDC_START_TIME, dateFormatter.format(startTimeInMs));
+
+ if (useBasicAuth()) {
+ result = client.resource(url).queryParam(RESOURCE_VERSION_PARAM, resourceVersion)
+ .header(HEADER_TRANS_ID, transId).header(HEADER_FROM_APP_ID, ML_APP_NAME)
+ .header(HEADER_AUTHORIZATION, getAuthenticationCredentials())
+ .delete(ClientResponse.class);
+ } else {
+ result = client.resource(url).queryParam(RESOURCE_VERSION_PARAM, resourceVersion)
+ .header(HEADER_TRANS_ID, transId).header(HEADER_FROM_APP_ID, ML_APP_NAME)
+ .delete(ClientResponse.class);
+ }
+ } catch (Exception ex) {
+ logger.error(ModelLoaderMsgs.AAI_REST_REQUEST_ERROR, "DELETE", url, ex.getLocalizedMessage());
+ return null;
+ } finally {
+ if (logger.isDebugEnabled()) {
+ logger.debug(baos.toString());
+ }
+ }
+
+ logger.info(ModelLoaderMsgs.AAI_REST_REQUEST_SUCCESS, "DELETE", url,
+ Integer.toString(result.getStatus()));
+ metricsLogger.info(ModelLoaderMsgs.AAI_REST_REQUEST_SUCCESS,
+ new LogFields().setField(LogLine.DefinedFields.RESPONSE_CODE, result.getStatus()).setField(
+ LogLine.DefinedFields.RESPONSE_DESCRIPTION, result.getResponseStatus().toString()),
+ override, "DELETE", url, Integer.toString(result.getStatus()));
+
+ return result;
+ }
+
+ /**
+ * Send a GET request to the A&AI for a resource.
+ *
+ * @param url
+ * - the url to use
+ * @param transId
+ * - transaction ID
+ * @return ClientResponse
+ */
+ public ClientResponse getResource(String url, String transId, MimeType mimeType) {
+ ClientResponse result = null;
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ long startTimeInMs = 0;
+ MdcOverride override = new MdcOverride();
+
+ try {
+ Client client = setupClient();
+
+ baos = new ByteArrayOutputStream();
+ PrintStream ps = new PrintStream(baos);
+ if (logger.isDebugEnabled()) {
+ client.addFilter(new LoggingFilter(ps));
+ }
+
+ // Grab the current time so that we can use it for metrics purposes later.
+ startTimeInMs = System.currentTimeMillis();
+ override.addAttribute(MdcContext.MDC_START_TIME, dateFormatter.format(startTimeInMs));
+
+ if (useBasicAuth()) {
+ result = client.resource(url).header(HEADER_TRANS_ID, transId)
+ .header(HEADER_FROM_APP_ID, ML_APP_NAME).accept(mimeType.getHttpHeaderType())
+ .header(HEADER_AUTHORIZATION, getAuthenticationCredentials()).get(ClientResponse.class);
+ } else {
+ result = client.resource(url).header(HEADER_TRANS_ID, transId)
+ .header(HEADER_FROM_APP_ID, ML_APP_NAME).accept(mimeType.getHttpHeaderType())
+ .get(ClientResponse.class);
+
+ }
+ } catch (Exception ex) {
+ logger.error(ModelLoaderMsgs.AAI_REST_REQUEST_ERROR, "GET", url, ex.getLocalizedMessage());
+ return null;
+ } finally {
+ if (logger.isDebugEnabled()) {
+ logger.debug(baos.toString());
+ }
+ }
+
+ logger.info(ModelLoaderMsgs.AAI_REST_REQUEST_SUCCESS, "GET", url,
+ Integer.toString(result.getStatus()));
+ metricsLogger.info(ModelLoaderMsgs.AAI_REST_REQUEST_SUCCESS,
+ new LogFields().setField(LogLine.DefinedFields.RESPONSE_CODE, result.getStatus()).setField(
+ LogLine.DefinedFields.RESPONSE_DESCRIPTION, result.getResponseStatus().toString()),
+ override, "GET", url, Integer.toString(result.getStatus()));
+
+ return result;
+ }
+
+ /**
+ * Does a GET on a resource to retrieve the resource version, and then DELETE
+ * that version.
+ *
+ * @param url
+ * - the url
+ * @param transId
+ * - transaction ID
+ * @return ClientResponse
+ */
+ public ClientResponse getAndDeleteResource(String url, String transId) {
+ // First, GET the model
+ ClientResponse getResponse = getResource(url, transId, MimeType.XML);
+ if ((getResponse == null) || (getResponse.getStatus() != Response.Status.OK.getStatusCode())) {
+ return getResponse;
+ }
+
+ // Delete the model using the resource version in the response
+ String resVersion = null;
+ try {
+ resVersion = getResourceVersion(getResponse);
+ } catch (Exception e) {
+ logger.error(ModelLoaderMsgs.AAI_REST_REQUEST_ERROR, "GET", url, e.getLocalizedMessage());
+ return null;
+ }
+
+ return deleteResource(url, resVersion, transId);
+ }
+
+ private Client setupClient() throws IOException, GeneralSecurityException {
+ ClientConfig clientConfig = new DefaultClientConfig();
+
+ HttpsURLConnection.setDefaultHostnameVerifier(new HostnameVerifier() {
+ @Override
+ public boolean verify(String string, SSLSession ssls) {
+ return true;
+ }
+ });
+
+ // Create a trust manager that does not validate certificate chains
+ TrustManager[] trustAllCerts = new TrustManager[] { new X509TrustManager() {
+ @Override
+ public X509Certificate[] getAcceptedIssuers() {
+ return null;
+ }
+
+ @Override
+ public void checkClientTrusted(X509Certificate[] certs, String authType) {}
+
+ @Override
+ public void checkServerTrusted(X509Certificate[] certs, String authType) {}
+ } };
+
+ SSLContext ctx = SSLContext.getInstance("TLS");
+ KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");
+ FileInputStream fin = new FileInputStream(config.getAaiKeyStorePath());
+ KeyStore ks = KeyStore.getInstance("PKCS12");
+ char[] pwd = config.getAaiKeyStorePassword().toCharArray();
+ ks.load(fin, pwd);
+ kmf.init(ks, pwd);
+
+ ctx.init(kmf.getKeyManagers(), trustAllCerts, null);
+ clientConfig.getProperties().put(HTTPSProperties.PROPERTY_HTTPS_PROPERTIES,
+ new HTTPSProperties(new HostnameVerifier() {
+ @Override
+ public boolean verify(String theString, SSLSession sslSession) {
+ return true;
+ }
+ }, ctx));
+
+ Client client = Client.create(clientConfig);
+
+ return client;
+ }
+
+ private String getResourceVersion(ClientResponse response)
+ throws ParserConfigurationException, SAXException, IOException {
+ String respData = response.getEntity(String.class);
+
+ DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+ DocumentBuilder builder = factory.newDocumentBuilder();
+ InputSource is = new InputSource(new StringReader(respData));
+ Document doc = builder.parse(is);
+
+ NodeList nodeList = doc.getDocumentElement().getChildNodes();
+ for (int i = 0; i < nodeList.getLength(); i++) {
+ Node currentNode = nodeList.item(i);
+ if (currentNode.getNodeName().equals(RESOURCE_VERSION_PARAM)) {
+ return currentNode.getTextContent();
+ }
+ }
+
+ return null;
+ }
+
+ private String getAuthenticationCredentials() {
+
+ String usernameAndPassword = config.getAaiAuthenticationUser() + ":"
+ + config.getAaiAuthenticationPassword();
+ return "Basic " + java.util.Base64.getEncoder().encodeToString(usernameAndPassword.getBytes());
+ }
+
+ public boolean useBasicAuth() {
+ return (config.getAaiAuthenticationUser() != null)
+ && (config.getAaiAuthenticationPassword() != null);
+ }
+}
Code Review / aai / model-loader.git / blobdiff