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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (C) 2017 Huawei Technologies Co., Ltd. All rights reserved.
* ================================================================================
* Modifications Copyright (C) 2018.
* Modifications Copyright (c) 2019 Samsung
* ================================================================================
* 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.onap.so.adapters.vfc.util;
import java.net.HttpURLConnection;
import java.net.SocketTimeoutException;
import java.util.Base64;
import java.util.HashMap;
import java.util.Map;
import javax.ws.rs.core.UriBuilder;
import org.onap.so.logger.LoggingAnchor;
import org.apache.http.Header;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.client.methods.HttpRequestBase;
import org.apache.http.conn.ConnectTimeoutException;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;
import org.onap.so.adapters.vfc.model.RestfulResponse;
import org.onap.logging.filter.base.ErrorCode;
import org.onap.so.logger.MessageEnum;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.env.Environment;
import org.springframework.stereotype.Component;
/**
* <br>
* <p>
* </p>
* utility to invoke restclient
*
* @author
* @version ONAP Amsterdam Release 2017-9-6
*/
@Component
public class RestfulUtil {
/**
* Log service
*/
private static final Logger logger = LoggerFactory.getLogger(RestfulUtil.class);
private static final int DEFAULT_TIME_OUT = 60000;
private static final String ONAP_IP = "ONAP_IP";
private static final String DEFAULT_MSB_IP = "127.0.0.1";
private static final Integer DEFAULT_MSB_PORT = 80;
private static final String VFC_ADAPTER = "VFC Adapter";
@Autowired
private Environment env;
@Autowired
private HttpClient client;
public String getMsbHost() {
// MSB_IP will be set as ONAP_IP environment parameter in install flow.
String msbIp = System.getenv().get(ONAP_IP);
// if ONAP IP is not set. get it from config file.
if (null == msbIp || msbIp.isEmpty()) {
msbIp = env.getProperty("mso.msb-ip", DEFAULT_MSB_IP);
}
Integer msbPort = env.getProperty("mso.msb-port", Integer.class, DEFAULT_MSB_PORT);
String msbEndpoint = UriBuilder.fromPath("").host(msbIp).port(msbPort).scheme("http").build().toString();
logger.debug("msbEndpoint in vfc adapter: {}", msbEndpoint);
return msbEndpoint;
}
private RestfulUtil() {
}
public RestfulResponse send(String msbUrl, String methodType, String content, Map<String, String> requestHeader) {
// String msbUrl = getMsbHost() + url;
logger.debug("Begin to sent message " + methodType + ": " + msbUrl);
HttpRequestBase method = null;
HttpResponse httpResponse = null;
try {
int timeout = DEFAULT_TIME_OUT;
RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(timeout).setConnectTimeout(timeout)
.setConnectionRequestTimeout(timeout).build();
HttpClient client = HttpClientBuilder.create().build();
if ("POST".equalsIgnoreCase(methodType)) {
HttpPost httpPost = new HttpPost(msbUrl);
httpPost.setConfig(requestConfig);
for (String key : requestHeader.keySet()) {
httpPost.setHeader(key, requestHeader.get(key));
}
httpPost.setEntity(new StringEntity(content, ContentType.APPLICATION_JSON));
method = httpPost;
} else if ("PUT".equalsIgnoreCase(methodType)) {
HttpPut httpPut = new HttpPut(msbUrl);
httpPut.setConfig(requestConfig);
httpPut.setEntity(new StringEntity(content, ContentType.APPLICATION_JSON));
method = httpPut;
} else if ("GET".equalsIgnoreCase(methodType)) {
HttpGet httpGet = new HttpGet(msbUrl);
httpGet.setConfig(requestConfig);
method = httpGet;
} else if ("DELETE".equalsIgnoreCase(methodType)) {
HttpDelete httpDelete = new HttpDelete(msbUrl);
httpDelete.setConfig(requestConfig);
method = httpDelete;
}
// now VFC have no auth
// String userCredentials =
// SDNCAdapterProperties.getEncryptedProperty(Constants.SDNC_AUTH_PROP,
// Constants.DEFAULT_SDNC_AUTH, Constants.ENCRYPTION_KEY);
// String authorization = "Basic " +
// DatatypeConverter.printBase64Binary(userCredentials.getBytes());
// method.setHeader("Authorization", authorization);
httpResponse = client.execute(method);
Map<String, String> responseHeader = new HashMap<>();
String responseContent = null;
if (httpResponse.getEntity() != null) {
responseContent = EntityUtils.toString(httpResponse.getEntity(), "UTF-8");
Header[] httpResponseAllHeaders = httpResponse.getAllHeaders();
for (Header header : httpResponseAllHeaders) {
responseHeader.put(header.getName(), header.getValue());
}
}
int statusCode = httpResponse.getStatusLine().getStatusCode();
String statusMessage = httpResponse.getStatusLine().getReasonPhrase();
logger.debug("VFC Response: {} {}", statusCode,
statusMessage + (responseContent == null ? "" : System.lineSeparator() + responseContent));
if (httpResponse.getStatusLine().getStatusCode() >= 300) {
String errMsg = "VFC returned " + statusCode + " " + statusMessage;
logError(errMsg);
return createResponse(statusCode, errMsg);
}
httpResponse = null;
if (null != method) {
method.reset();
} else {
logger.debug("method is NULL:");
}
method = null;
return createResponse(statusCode, responseContent, responseHeader);
} catch (SocketTimeoutException | ConnectTimeoutException e) {
String errMsg = "Request to VFC timed out";
logError(errMsg, e);
return createResponse(HttpURLConnection.HTTP_CLIENT_TIMEOUT, errMsg);
} catch (Exception e) {
String errMsg = "Error processing request to VFC";
logError(errMsg, e);
return createResponse(HttpURLConnection.HTTP_INTERNAL_ERROR, errMsg);
} finally {
if (httpResponse != null) {
try {
EntityUtils.consume(httpResponse.getEntity());
} catch (Exception e) {
logger.debug("Exception :", e);
}
}
if (method != null) {
try {
method.reset();
} catch (Exception e) {
logger.debug("Exception :", e);
}
}
}
}
public RestfulResponse send(String msbUrl, String methodType, String content) {
if (!msbUrl.contains("http")) {
msbUrl = getMsbHost() + msbUrl;
}
// String msbUrl = getMsbHost() + url;
logger.debug("Begin to sent message " + methodType + ": " + msbUrl);
HttpRequestBase method = null;
HttpResponse httpResponse = null;
try {
int timeout = DEFAULT_TIME_OUT;
RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(timeout).setConnectTimeout(timeout)
.setConnectionRequestTimeout(timeout).build();
if ("POST".equalsIgnoreCase(methodType)) {
HttpPost httpPost = new HttpPost(msbUrl);
httpPost.setConfig(requestConfig);
httpPost.setEntity(new StringEntity(content, ContentType.APPLICATION_JSON));
method = httpPost;
} else if ("PUT".equalsIgnoreCase(methodType)) {
HttpPut httpPut = new HttpPut(msbUrl);
httpPut.setConfig(requestConfig);
httpPut.setEntity(new StringEntity(content, ContentType.APPLICATION_JSON));
method = httpPut;
} else if ("GET".equalsIgnoreCase(methodType)) {
HttpGet httpGet = new HttpGet(msbUrl);
httpGet.setConfig(requestConfig);
method = httpGet;
} else if ("DELETE".equalsIgnoreCase(methodType)) {
HttpDelete httpDelete = new HttpDelete(msbUrl);
httpDelete.setConfig(requestConfig);
method = httpDelete;
}
// now VFC have no auth
// String userCredentials =
// SDNCAdapterProperties.getEncryptedProperty(Constants.SDNC_AUTH_PROP,
// Constants.DEFAULT_SDNC_AUTH, Constants.ENCRYPTION_KEY);
// String authorization = "Basic " +
// DatatypeConverter.printBase64Binary(userCredentials.getBytes());
// method.setHeader("Authorization", authorization);
httpResponse = client.execute(method);
Map<String, String> responseHeader = new HashMap<>();
String responseContent = null;
if (httpResponse.getEntity() != null) {
responseContent = EntityUtils.toString(httpResponse.getEntity(), "UTF-8");
Header[] httpResponseAllHeaders = httpResponse.getAllHeaders();
for (Header header : httpResponseAllHeaders) {
responseHeader.put(header.getName(), header.getValue());
}
}
int statusCode = httpResponse.getStatusLine().getStatusCode();
String statusMessage = httpResponse.getStatusLine().getReasonPhrase();
logger.debug("VFC Response: " + statusCode + " " + statusMessage
+ (responseContent == null ? "" : System.lineSeparator() + responseContent));
if (httpResponse.getStatusLine().getStatusCode() >= 300) {
String errMsg = "VFC returned " + statusCode + " " + statusMessage;
logError(errMsg);
return createResponse(statusCode, errMsg);
}
httpResponse = null;
if (null != method) {
method.reset();
} else {
logger.debug("method is NULL:");
}
method = null;
return createResponse(statusCode, responseContent, responseHeader);
} catch (SocketTimeoutException | ConnectTimeoutException e) {
String errMsg = "Request to VFC timed out";
logError(errMsg, e);
return createResponse(HttpURLConnection.HTTP_CLIENT_TIMEOUT, errMsg);
} catch (Exception e) {
String errMsg = "Error processing request to VFC";
logError(errMsg, e);
return createResponse(HttpURLConnection.HTTP_INTERNAL_ERROR, errMsg);
} finally {
if (httpResponse != null) {
try {
EntityUtils.consume(httpResponse.getEntity());
} catch (Exception e) {
logger.debug("Exception :", e);
}
}
if (method != null) {
try {
method.reset();
} catch (Exception e) {
logger.debug("Exception :", e);
}
}
}
}
public RestfulResponse getNfvoFromAAI(String nfvo) {
HttpRequestBase method = null;
HttpResponse httpResponse = null;
String endPoint = getMsbHost() + "/api/aai-esr-server/v1/nfvos/" + nfvo;
logger.info("Endpoint URL" + endPoint);
RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(DEFAULT_TIME_OUT)
.setConnectTimeout(DEFAULT_TIME_OUT).setConnectionRequestTimeout(DEFAULT_TIME_OUT).build();
HttpClient client = HttpClientBuilder.create().build();
HttpGet httpGet = new HttpGet(endPoint);
httpGet.setConfig(requestConfig);
String encoding = Base64.getEncoder().encodeToString(("AAI:AAI").getBytes());
httpGet.setHeader("Authorization", "Basic " + encoding);
method = httpGet;
String responseContent = null;
Map<String, String> responseHeader = null;
try {
httpResponse = client.execute(method);
if (httpResponse.getEntity() != null) {
responseContent = EntityUtils.toString(httpResponse.getEntity(), "UTF-8");
}
int statusCode = httpResponse.getStatusLine().getStatusCode();
String statusMessage = httpResponse.getStatusLine().getReasonPhrase();
logger.debug("AAI Response: " + statusCode + " " + statusMessage
+ (responseContent == null ? "" : System.lineSeparator() + responseContent));
if (httpResponse.getStatusLine().getStatusCode() >= 300) {
String errMsg = "AAI returned " + statusCode + " " + statusMessage;
logError(errMsg);
return createResponse(statusCode, errMsg);
}
} catch (Exception e) {
String errMsg = "Error processing request to AAI";
logError(errMsg, e);
return createResponse(HttpURLConnection.HTTP_INTERNAL_ERROR, errMsg);
}
return createResponse(200, responseContent);
}
private static void logError(String errMsg, Throwable t) {
logger.error(LoggingAnchor.FOUR, MessageEnum.RA_NS_EXC.toString(), VFC_ADAPTER,
ErrorCode.AvailabilityError.getValue(), errMsg, t);
}
private static void logError(String errMsg) {
logger.error(LoggingAnchor.FOUR, MessageEnum.RA_NS_EXC.toString(), VFC_ADAPTER,
ErrorCode.AvailabilityError.toString(), errMsg);
}
private static RestfulResponse createResponse(int statusCode, String content) {
RestfulResponse rsp = new RestfulResponse();
rsp.setStatus(statusCode);
rsp.setResponseContent(content);
return rsp;
}
private static RestfulResponse createResponse(int statusCode, String content, Map<String, String> responseHeader) {
RestfulResponse rsp = new RestfulResponse();
rsp.setStatus(statusCode);
rsp.setRespHeaderMap(responseHeader);
rsp.setResponseContent(content);
return rsp;
}
}
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