NSSMF Rest Utils
Adding utils to NSSMF Adapter
Change-Id: Id47d06844f3bf5f97c5f91c76f7e79ea7204a520
Issue-ID: SO-2544
Signed-off-by: jananib <janani.b@huawei.com>
diff --git a/adapters/mso-nssmf-adapter/src/main/java/org/onap/so/adapters/nssmf/rest/RestResponse.java b/adapters/mso-nssmf-adapter/src/main/java/org/onap/so/adapters/nssmf/rest/RestResponse.java
new file mode 100644
index 0000000..cc047e4
--- /dev/null
+++ b/adapters/mso-nssmf-adapter/src/main/java/org/onap/so/adapters/nssmf/rest/RestResponse.java
@@ -0,0 +1,92 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2020 Huawei Technologies Co., Ltd. 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.onap.so.adapters.nssmf.rest;
+
+import java.util.Map;
+
+public class RestResponse {
+
+ // the response content
+ private String responseContent;
+
+ // the response status
+ private int status;
+
+ // the response header
+ private Map<String, String> respHeaderMap;
+
+ public RestResponse() {
+ this.status = -1;
+
+ this.respHeaderMap = null;
+ }
+
+ public int getStatus() {
+ return this.status;
+ }
+
+ public void setStatus(int status) {
+ this.status = status;
+ }
+
+ public Map<String, String> getRespHeaderMap() {
+ return this.respHeaderMap;
+ }
+
+ public void setRespHeaderMap(Map<String, String> header) {
+ this.respHeaderMap = header;
+ }
+
+ public int getRespHeaderInt(String key) {
+ if (this.respHeaderMap != null) {
+ String result = this.respHeaderMap.get(key);
+ if (result != null) {
+ return Integer.parseInt(result);
+ }
+ }
+ return -1;
+ }
+
+ public long getRespHeaderLong(String key) {
+ if (this.respHeaderMap != null) {
+ String result = this.respHeaderMap.get(key);
+ if (result != null) {
+ return Long.parseLong(result);
+ }
+ }
+ return -1L;
+ }
+
+ public String getRespHeaderStr(String key) {
+ if (this.respHeaderMap != null) {
+ return this.respHeaderMap.get(key);
+ }
+ return null;
+ }
+
+ public String getResponseContent() {
+ return this.responseContent;
+ }
+
+ public void setResponseContent(String responseString) {
+ this.responseContent = responseString;
+ }
+}
diff --git a/adapters/mso-nssmf-adapter/src/main/java/org/onap/so/adapters/nssmf/rest/RestUtil.java b/adapters/mso-nssmf-adapter/src/main/java/org/onap/so/adapters/nssmf/rest/RestUtil.java
new file mode 100644
index 0000000..3592d4f
--- /dev/null
+++ b/adapters/mso-nssmf-adapter/src/main/java/org/onap/so/adapters/nssmf/rest/RestUtil.java
@@ -0,0 +1,307 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2020 Huawei Technologies Co., Ltd. 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.onap.so.adapters.nssmf.rest;
+
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.TrustManager;
+import javax.net.ssl.X509TrustManager;
+import javax.ws.rs.core.UriBuilder;
+import java.net.SocketTimeoutException;
+import java.net.URI;
+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.HttpEntityEnclosingRequestBase;
+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.conn.ssl.SSLConnectionSocketFactory;
+import org.apache.http.entity.StringEntity;
+import org.apache.http.impl.client.HttpClients;
+import org.apache.http.message.BasicHeader;
+import org.apache.http.util.EntityUtils;
+import org.onap.aai.domain.yang.EsrSystemInfo;
+import org.onap.aai.domain.yang.EsrSystemInfoList;
+import org.onap.aai.domain.yang.EsrThirdpartySdnc;
+import org.onap.aai.domain.yang.EsrThirdpartySdncList;
+import org.onap.so.adapters.nssmf.exceptions.ApplicationException;
+import org.onap.so.adapters.nssmf.extclients.aai.AaiServiceProvider;
+import org.onap.so.adapters.nssmf.model.TokenRequest;
+import org.onap.so.adapters.nssmf.model.TokenResponse;
+import org.onap.so.beans.nsmf.EsrInfo;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+import static org.apache.http.entity.ContentType.APPLICATION_JSON;
+import static org.onap.so.adapters.nssmf.rest.HttpMethod.POST;
+import static org.onap.so.adapters.nssmf.util.NssmfAdapterUtil.BAD_REQUEST;
+import static org.onap.so.adapters.nssmf.util.NssmfAdapterUtil.marshal;
+import static org.onap.so.adapters.nssmf.util.NssmfAdapterUtil.unMarshal;
+import static org.onap.so.logger.ErrorCode.AvailabilityError;
+import static org.onap.so.logger.LoggingAnchor.FOUR;
+import static org.onap.so.logger.MessageEnum.RA_NS_EXC;
+
+@Component
+public class RestUtil {
+
+ private static final Logger logger = LoggerFactory.getLogger(RestUtil.class);
+
+ private static final int DEFAULT_TIME_OUT = 60000;
+
+ private static final String NSSMI_ADAPTER = "NSSMI Adapter";
+
+ private static final String TOKEN_URL = "/api/rest/securityManagement/v1" + "/oauth/token";
+
+ @Autowired
+ private AaiServiceProvider aaiSvcProv;
+
+
+ public NssmfInfo getNssmfHost(EsrInfo esrInfo) throws ApplicationException {
+ EsrThirdpartySdncList sdncList = aaiSvcProv.invokeGetThirdPartySdncList();
+ if (sdncList != null && sdncList.getEsrThirdpartySdnc() != null) {
+ for (EsrThirdpartySdnc sdncEsr : sdncList.getEsrThirdpartySdnc()) {
+
+ EsrSystemInfoList sysInfoList =
+ aaiSvcProv.invokeGetThirdPartySdncEsrSystemInfo(sdncEsr.getThirdpartySdncId());
+
+ if (sysInfoList != null && sysInfoList.getEsrSystemInfo() != null) {
+ for (EsrSystemInfo esr : sysInfoList.getEsrSystemInfo()) {
+ if (esr != null && esr.getType().equals(esrInfo.getNetworkType().getNetworkType())
+ && esr.getVendor().equals(esrInfo.getVendor())) {
+ logger.info("Found an entry with vendor name " + esrInfo.getVendor() + " and network type "
+ + esrInfo.getNetworkType() + " in ESR.");
+ NssmfInfo nssmfInfo = new NssmfInfo();
+ nssmfInfo.setIpAddress(esr.getIpAddress());
+ nssmfInfo.setPort(esr.getPort());
+ nssmfInfo.setCacert(esr.getSslCacert());
+ nssmfInfo.setUserName(esr.getUserName());
+ nssmfInfo.setPassword(esr.getPassword());
+ String endPoint = UriBuilder.fromPath("").host(esr.getIpAddress())
+ .port(Integer.valueOf(esr.getPort())).scheme("https").build().toString();
+ nssmfInfo.setUrl(endPoint);
+ return nssmfInfo;
+ }
+ }
+ }
+
+ }
+ }
+
+ throw new ApplicationException(BAD_REQUEST, "ESR information is improper");
+ }
+
+ public RestResponse sendRequest(String url, HttpMethod methodType, String content, EsrInfo esrInfo)
+ throws ApplicationException {
+
+ NssmfInfo nssmfInfo = getNssmfHost(esrInfo);
+
+ TokenRequest req = new TokenRequest();
+ req.setGrantType("password");
+ req.setUserName(nssmfInfo.getUserName());
+ req.setValue(nssmfInfo.getPassword());
+
+ String tokenReq = marshal(req);
+
+ logger.info("Sending token request to NSSMF: " + tokenReq);
+ RestResponse tokenRes = send(nssmfInfo.getUrl() + TOKEN_URL, POST, tokenReq, null);
+
+ TokenResponse res = unMarshal(tokenRes.getResponseContent(), TokenResponse.class);
+ String token = res.getAccessToken();
+ Header header = new BasicHeader("X-Auth-Token", token);
+ String nssmfUrl = nssmfInfo.getUrl() + url;
+ return send(nssmfUrl, methodType, content, header);
+ }
+
+ private RestResponse send(String url, HttpMethod methodType, String content, Header header) {
+
+ HttpRequestBase req = null;
+ HttpResponse res = null;
+
+ logger.debug("Beginning to send message {}: {}", methodType, url);
+
+ try {
+ int timeout = DEFAULT_TIME_OUT;
+
+ RequestConfig config = RequestConfig.custom().setSocketTimeout(timeout).setConnectTimeout(timeout)
+ .setConnectionRequestTimeout(timeout).build();
+ logger.debug("Sending request to NSSMF: " + content);
+ req = getHttpReq(url, methodType, header, config, content);
+ res = getHttpsClient().execute(req);
+
+ String resContent = null;
+ if (res.getEntity() != null) {
+ resContent = EntityUtils.toString(res.getEntity(), "UTF-8");
+ }
+
+ int statusCode = res.getStatusLine().getStatusCode();
+ String statusMessage = res.getStatusLine().getReasonPhrase();
+ logger.info("NSSMF Response: {} {}", statusCode,
+ statusMessage + (resContent == null ? "" : System.lineSeparator() + resContent));
+
+ if (res.getStatusLine().getStatusCode() >= 300) {
+ String errMsg = "{\n \"errorCode\": " + res.getStatusLine().getStatusCode()
+ + "\n \"errorDescription\": " + statusMessage + "\n}";
+ logError(errMsg);
+ return createResponse(statusCode, errMsg);
+ }
+ if (null != req) {
+ req.reset();
+ } else {
+ logger.debug("method is NULL:");
+ }
+ req = null;
+
+ return createResponse(statusCode, resContent);
+
+ } catch (SocketTimeoutException | ConnectTimeoutException e) {
+ String errMsg = "Request to NSSMF timed out";
+ logError(errMsg, e);
+ return createResponse(408, errMsg);
+ } catch (Exception e) {
+ String errMsg = "Error processing request to NSSMF";
+ logError(errMsg, e);
+ return createResponse(500, errMsg);
+ } finally {
+ if (res != null) {
+ try {
+ EntityUtils.consume(res.getEntity());
+ } catch (Exception e) {
+ logger.debug("Exception :", e);
+ }
+ }
+ if (req != null) {
+ try {
+ req.reset();
+ } catch (Exception e) {
+ logger.debug("Exception :", e);
+ }
+ }
+ }
+ }
+
+ private RestResponse createResponse(int statusCode, String errMsg) {
+ RestResponse restResponse = new RestResponse();
+ restResponse.setStatus(statusCode);
+ restResponse.setResponseContent(errMsg);
+ return restResponse;
+ }
+
+ private HttpRequestBase getHttpReq(String url, HttpMethod method, Header header, RequestConfig config,
+ String content) throws ApplicationException {
+ HttpRequestBase base = null;
+ switch (method) {
+ case POST:
+ HttpPost post = new HttpPost(url);
+ post.setEntity(new StringEntity(content, APPLICATION_JSON));
+ base = post;
+ break;
+
+ case GET:
+ base = new HttpGet(url);
+ break;
+
+ case PUT:
+ HttpPut put = new HttpPut(url);
+ put.setEntity(new StringEntity(content, APPLICATION_JSON));
+ base = put;
+ break;
+
+ case PATCH:
+ break;
+
+ case DELETE:
+ HttpDeleteWithBody delete = new HttpDeleteWithBody(url);
+ if (content != null) {
+ delete.setEntity(new StringEntity(content, APPLICATION_JSON));
+ }
+ base = delete;
+ break;
+
+ }
+ base.setConfig(config);
+ if (header != null) {
+ base.setHeader(header);
+ }
+ return base;
+ }
+
+ class HttpDeleteWithBody extends HttpEntityEnclosingRequestBase {
+ public static final String METHOD_NAME = "DELETE";
+
+ public String getMethod() {
+ return METHOD_NAME;
+ }
+
+ public HttpDeleteWithBody(final String uri) {
+ super();
+ setURI(URI.create(uri));
+ }
+
+ public HttpDeleteWithBody(final URI uri) {
+ super();
+ setURI(uri);
+ }
+
+ public HttpDeleteWithBody() {
+ super();
+ }
+ }
+
+
+ public HttpClient getHttpsClient() {
+
+ TrustManager[] trustAllCerts = new TrustManager[] {new X509TrustManager() {
+ public java.security.cert.X509Certificate[] getAcceptedIssuers() {
+ return null;
+ }
+
+ public void checkClientTrusted(java.security.cert.X509Certificate[] certs, String authType) {}
+
+ public void checkServerTrusted(java.security.cert.X509Certificate[] certs, String authType) {}
+ }};
+
+ // Install the all-trusting trust manager
+ try {
+ SSLContext sc = SSLContext.getInstance("SSL");
+ sc.init(null, trustAllCerts, new java.security.SecureRandom());
+ // HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
+
+ SSLConnectionSocketFactory sslsf =
+ new SSLConnectionSocketFactory(sc, new String[] {"TLSv1"}, null, new TrustAllHostNameVerifier());
+ return HttpClients.custom().setSSLSocketFactory(sslsf).build();
+ } catch (Exception e) {
+ throw new IllegalArgumentException(e);
+ }
+ }
+
+ private static void logError(String errMsg, Throwable t) {
+ logger.error(FOUR, RA_NS_EXC.toString(), NSSMI_ADAPTER, AvailabilityError.getValue(), errMsg, t);
+ }
+
+ private static void logError(String errMsg) {
+ logger.error(FOUR, RA_NS_EXC.toString(), NSSMI_ADAPTER, AvailabilityError.toString(), errMsg);
+ }
+}
+
diff --git a/adapters/mso-nssmf-adapter/src/main/java/org/onap/so/adapters/nssmf/rest/TrustAllHostNameVerifier.java b/adapters/mso-nssmf-adapter/src/main/java/org/onap/so/adapters/nssmf/rest/TrustAllHostNameVerifier.java
new file mode 100644
index 0000000..254186b
--- /dev/null
+++ b/adapters/mso-nssmf-adapter/src/main/java/org/onap/so/adapters/nssmf/rest/TrustAllHostNameVerifier.java
@@ -0,0 +1,32 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2020 Huawei Technologies Co., Ltd. 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.onap.so.adapters.nssmf.rest;
+
+import javax.net.ssl.HostnameVerifier;
+import javax.net.ssl.SSLSession;
+
+public class TrustAllHostNameVerifier implements HostnameVerifier {
+
+ public boolean verify(String hostname, SSLSession session) {
+ return true;
+ }
+
+}