1 files changed, 171 insertions, 0 deletions
diff --git a/ecomp-sdk/epsdk-core/src/main/java/org/openecomp/portalsdk/core/restful/client/PortalRestClientBase.java b/ecomp-sdk/epsdk-core/src/main/java/org/openecomp/portalsdk/core/restful/client/PortalRestClientBase.java
new file mode 100644
index 00000000..b74d87c4
--- /dev/null
+++ b/ecomp-sdk/epsdk-core/src/main/java/org/openecomp/portalsdk/core/restful/client/PortalRestClientBase.java
@@ -0,0 +1,171 @@
+/*-
+ * ================================================================================
+ * eCOMP Portal SDK
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property
+ * ================================================================================
+ * 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.
+ * ================================================================================
+ */
+package org.openecomp.portalsdk.core.restful.client;
+
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.http.Consts;
+import org.apache.http.HttpEntity;
+import org.apache.http.client.ClientProtocolException;
+import org.apache.http.client.methods.CloseableHttpResponse;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.entity.ContentType;
+import org.apache.http.entity.StringEntity;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClients;
+import org.apache.http.util.EntityUtils;
+import org.openecomp.portalsdk.core.domain.App;
+import org.openecomp.portalsdk.core.logging.logic.EELFLoggerDelegate;
+import org.openecomp.portalsdk.core.onboarding.util.CipherUtil;
+import org.openecomp.portalsdk.core.onboarding.util.PortalApiConstants;
+import org.openecomp.portalsdk.core.onboarding.util.PortalApiProperties;
+import org.openecomp.portalsdk.core.service.AppService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+/**
+ * Provides a basic client to access a REST endpoint at the Portal via get or
+ * post. Usage caveats:
+ * <OL>
+ * <LI>Must be auto-wired by Spring, because this in turn auto-wires a
+ * data-access service to read application credentials from the FN_APP table.
+ * <LI>If HTTP access is used and the server uses a self-signed certificate, the
+ * local trust store must be extended appropriately. The HTTP client throws
+ * exceptions if the JVM cannot validate the server certificate.
+ * </OL>
+ */
+@Component
+public class PortalRestClientBase {
+
+	EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(PortalRestClientBase.class);
+
+	@Autowired
+	AppService appService;
+
+	/**
+	 * Constructs and sends a GET request for the URI, with REST application
+	 * credentials in the header as the Portal expects.
+	 * 
+	 * @param uri
+	 *            URI of the service
+	 * @return Result of the get; null if an error happens
+	 * @throws URISyntaxException
+	 * @throws IOException
+	 * @throws ClientProtocolException
+	 */
+	public HttpStatusAndResponse getRestWithCredentials(final URI uri) throws Exception {
+
+		String uebKey = PortalApiProperties.getProperty(PortalApiConstants.UEB_APP_KEY);
+		App app = appService.getDefaultApp();
+		if (uebKey == null || app == null || app.getUsername() == null || app.getAppPassword() == null)
+			throw new Exception("Missing one or more required properties and/or database entries");
+		String decryptedPassword = CipherUtil.decrypt(app.getAppPassword());
+		CloseableHttpClient httpClient = HttpClients.createDefault();
+		HttpGet httpGet = new HttpGet(uri);
+		httpGet.setHeader("uebkey", uebKey);
+		httpGet.setHeader("username", app.getUsername());
+		httpGet.setHeader("password", decryptedPassword);
+
+		String responseJson = null;
+		CloseableHttpResponse response = null;
+		try {
+			logger.info(EELFLoggerDelegate.debugLogger, "GET from " + uri);
+			response = httpClient.execute(httpGet);
+			logger.info(EELFLoggerDelegate.debugLogger, "Status is " + response.getStatusLine());
+			if (response.getStatusLine().getStatusCode() != HttpServletResponse.SC_OK)
+			    logger.info(EELFLoggerDelegate.debugLogger, "Status is " + response.getStatusLine().toString());
+			HttpEntity entity = response.getEntity();
+			if (entity == null) {
+				logger.info(EELFLoggerDelegate.debugLogger, "Entity is null!");
+			} else {
+				// entity content length is never set.
+				// this naively tries to read everything.
+				responseJson = EntityUtils.toString(entity);
+				logger.info(EELFLoggerDelegate.debugLogger, responseJson);
+				EntityUtils.consume(entity);
+			}
+		} finally {
+			if (response != null)
+				response.close();
+		}
+		if (response == null)
+			return null;
+		return new HttpStatusAndResponse(response.getStatusLine().getStatusCode(), responseJson);
+	}
+
+	/**
+	 * Constructs and sends a POST request using the specified body, with REST
+	 * application credentials in the header as the Portal expects.
+	 * 
+	 * @param uri
+	 *            REST endpoint
+	 * @param json
+	 *            Content to post
+	 * @return Result of the post; null if an error happens
+	 * @throws Exception
+	 */
+	public HttpStatusAndResponse postRestWithCredentials(final URI uri, final String json) throws Exception {
+
+		String uebKey = PortalApiProperties.getProperty(PortalApiConstants.UEB_APP_KEY);
+		App app = appService.getDefaultApp();
+		if (uebKey == null || app == null || app.getUsername() == null || app.getAppPassword() == null)
+			throw new Exception("Missing one or more required properties and/or database entries");
+
+		CloseableHttpClient httpClient = HttpClients.createDefault();
+		HttpPost httpPost = new HttpPost(uri);
+		httpPost.setHeader("uebkey", uebKey);
+		httpPost.setHeader("username", app.getUsername());
+		httpPost.setHeader("password", app.getAppPassword());
+
+		StringEntity postEntity = new StringEntity(json, ContentType.create("application/json", Consts.UTF_8));
+		httpPost.setEntity(postEntity);
+
+		String responseJson = null;
+		CloseableHttpResponse response = null;
+		try {
+			logger.info(EELFLoggerDelegate.debugLogger, "POST to " + uri);
+			response = httpClient.execute(httpPost);
+			logger.info(EELFLoggerDelegate.debugLogger, "Status is " + response.getStatusLine());
+			if (response.getStatusLine().getStatusCode() != HttpServletResponse.SC_OK)
+				throw new Exception("Status is " + response.getStatusLine().toString());
+
+			HttpEntity entity = response.getEntity();
+			if (entity == null) {
+				logger.info(EELFLoggerDelegate.debugLogger, "Entity is null!");
+			} else {
+				// entity content length is never set.
+				// this naively tries to read everything.
+				responseJson = EntityUtils.toString(entity);
+				logger.info(EELFLoggerDelegate.debugLogger, responseJson);
+				EntityUtils.consume(entity);
+			}
+		} finally {
+			if (response != null)
+				response.close();
+		}
+		return new HttpStatusAndResponse(response.getStatusLine().getStatusCode(), responseJson);
+	}
+
+}