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/*
* Copyright 2016-2017 Huawei Technologies Co., Ltd.
*
* 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.onap.vfc.nfvo.vnfm.svnfm.vnfmadapter.common;
import java.io.IOException;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
import org.apache.commons.httpclient.HttpMethod;
import org.onap.vfc.nfvo.vnfm.svnfm.vnfmadapter.service.constant.Constant;
import org.onap.vfc.nfvo.vnfm.svnfm.vnfmadapter.service.constant.ParamConstants;
import org.onap.vfc.nfvo.vnfm.svnfm.vnfmadapter.service.csm.connect.ConnectMgrVnfm;
import org.onap.vfc.nfvo.vnfm.svnfm.vnfmadapter.service.csm.connect.HttpRequests;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import net.sf.json.JSONObject;
/**
* <br/>
* <p>
* </p>
*
* @author
* @version VFC 1.0 Aug 25, 2016
*/
public final class ResultRequestUtil {
private static final Logger LOG = LoggerFactory.getLogger(ResultRequestUtil.class);
private static final String CONNECT_FAIL = "connect fail.";
private static final String RESPONSE_STATUS = "function=call, msg=response status is {}. result is {}";
private static final String IOEXCEPTION = "function=call, msg=IOException, e is {}";
private static final String REFLECTIVEOPERATIONEXCEPTION =
"function=call, msg=ReflectiveOperationException, e is {}";
private static final String THROWABLE = "function=call, msg=Throwable, e is {}";
private static final String CONNECTION_ERROR = "get connection error";
private ResultRequestUtil() throws VnfmException {
throw new VnfmException("can't be instanced.");
}
/**
* common method
* <br/>
*
* @param vnfmObject
* @param path
* url defined
* @param methodName
* [get, put, delete, post]
* @param paramsJson
* raw data with json format, if <code>methodName</code> is get
* or delete, fill it with null
* @return
* @since VFC 1.0
*/
public static JSONObject call(JSONObject vnfmObject, String path, String methodName, String paramsJson) {
JSONObject resultJson = new JSONObject();
ConnectMgrVnfm mgrVcmm = new ConnectMgrVnfm();
if(Constant.HTTP_OK != mgrVcmm.connect(vnfmObject)) {
resultJson.put(Constant.RETCODE, Constant.HTTP_INNERERROR);
resultJson.put("data", CONNECT_FAIL);
return resultJson;
}
HttpMethod httpMethod = null;
try {
String result = null;
String vnfPath = path.contains("%s") ? String.format(path, mgrVcmm.getRoaRand()) : path;
LOG.info("function=call, msg=url is {}, session is {}", vnfmObject.getString("url") + vnfPath,
mgrVcmm.getAccessSession());
HttpRequests.Builder builder = new HttpRequests.Builder(Constant.ANONYMOUS)
.addHeader(Constant.ACCESSSESSION, mgrVcmm.getAccessSession())
.setUrl(vnfmObject.getString("url"), vnfPath).setParams(paramsJson);
MethodType methodType = MethodType.methodType(HttpRequests.Builder.class, new Class[0]);
MethodHandle mt =
MethodHandles.lookup().findVirtual(builder.getClass(), methodName, methodType).bindTo(builder);
builder = (HttpRequests.Builder)mt.invoke();
httpMethod = builder.execute();
result = httpMethod.getResponseBodyAsString();
LOG.warn(RESPONSE_STATUS, httpMethod.getStatusCode(), result);
resultJson.put(Constant.RETCODE, httpMethod.getStatusCode());
resultJson.put("data", result);
} catch(IOException e) {
LOG.info(IOEXCEPTION, e);
} catch(ReflectiveOperationException e) {
LOG.info(REFLECTIVEOPERATIONEXCEPTION, e);
} catch(Throwable e) {
LOG.info(THROWABLE, e);
} finally {
if(httpMethod != null) {
httpMethod.releaseConnection();
}
}
if(httpMethod == null) {
resultJson.put(Constant.RETCODE, Constant.HTTP_INNERERROR);
resultJson.put("data", CONNECTION_ERROR);
}
return resultJson;
}
/*
private static JSONObject doPost(JSONObject vnfmObj, String path, String paramsJson, String authModel){
return "aa";
}
*/
/**
* common method
* <br/>
*
* @param vnfmObject
* @param path
* url defined
* @param methodName
* [get, put, delete, post]
* @param paramsJson
* raw data with json format, if <code>methodName</code> is get
* or delete, fill it with null
* @return
* @since VFC 1.0
*/
public static JSONObject call(JSONObject vnfmObject, String path, String methodName, String paramsJson,
String authModel) {
LOG.info("request-param=" + paramsJson + ",authModel=" + authModel + ",path=" + path + ",vnfmInfo="
+ vnfmObject);
JSONObject resultJson = new JSONObject();
ConnectMgrVnfm mgrVcmm = new ConnectMgrVnfm();
if(Constant.HTTP_OK != mgrVcmm.connect(vnfmObject, authModel)) {
resultJson.put(Constant.RETCODE, Constant.HTTP_INNERERROR);
resultJson.put("data", CONNECT_FAIL);
return resultJson;
}
HttpMethod httpMethod = null;
try {
String result = null;
String vnfPath = path.contains("%s") ? String.format(path, mgrVcmm.getRoaRand()) : path;
LOG.info("function=call, msg=url is {}, session is {}", vnfmObject.getString("url") + vnfPath,
mgrVcmm.getAccessSession());
HttpRequests.Builder builder =
new HttpRequests.Builder(authModel).addHeader(Constant.ACCESSSESSION, mgrVcmm.getAccessSession())
.setUrl(vnfmObject.getString("url"), vnfPath).setParams(paramsJson);
MethodType methodType = MethodType.methodType(HttpRequests.Builder.class, new Class[0]);
MethodHandle mt =
MethodHandles.lookup().findVirtual(builder.getClass(), methodName, methodType).bindTo(builder);
builder = (HttpRequests.Builder)mt.invoke();
httpMethod = builder.execute();
result = httpMethod.getResponseBodyAsString();
LOG.warn(RESPONSE_STATUS, httpMethod.getStatusCode(), result);
resultJson.put(Constant.RETCODE, httpMethod.getStatusCode());
resultJson.put("data", result);
// logout delete tokens
String token = mgrVcmm.getAccessSession();
String roaRand = mgrVcmm.getRoaRand();
String vnfmUrl = vnfmObject.getString("url");
String user = vnfmObject.getString(Constant.USERNAME);
removeTokens(vnfmUrl, token, roaRand, user);
} catch(IOException e) {
LOG.info(IOEXCEPTION, e);
} catch(ReflectiveOperationException e) {
LOG.info(REFLECTIVEOPERATIONEXCEPTION, e);
} catch(Throwable e) {
LOG.info(THROWABLE, e);
} finally {
if(httpMethod != null) {
httpMethod.releaseConnection();
}
}
if(httpMethod == null) {
resultJson.put(Constant.RETCODE, Constant.HTTP_INNERERROR);
resultJson.put("data", CONNECTION_ERROR);
}
return resultJson;
}
/**
* <br>
*
* @throws VnfmException
* @since VFC 1.0
*/
private static void removeTokens(String vnfmUrl, String token, String roaRand, String user) throws VnfmException {
HttpMethod httpMethodToken = null;
String tokenUrl = String.format(ParamConstants.CSM_AUTH_DISCONNECT, user, roaRand);
LOG.info("removeTokens tokenUrl=" + tokenUrl);
try {
httpMethodToken = new HttpRequests.Builder(Constant.CERTIFICATE).setUrl(vnfmUrl.trim(), tokenUrl)
.setParams("").addHeader(Constant.X_AUTH_TOKEN, token).delete().execute();
int statusCode = httpMethodToken.getStatusCode();
String result = httpMethodToken.getResponseBodyAsString();
LOG.info("removeTokens int=" + statusCode + ", result=" + result);
} catch(IOException e) {
LOG.info(IOEXCEPTION, e);
} finally {
if(httpMethodToken != null) {
httpMethodToken.releaseConnection();
}
}
}
/**
* <br>
*
* @param vnfmObject
* @param path
* @param methodName
* @param paramsJson
* @param authModel
* @return
* @since VFC 1.0
*/
public static JSONObject callSouth(JSONObject vnfmObject, String path, String methodName, String paramsJson,
String authModel) {
LOG.info("request-param=" + paramsJson + ",authModel=" + authModel + ",path=" + path + ",vnfmInfo="
+ vnfmObject);
JSONObject resultJson = new JSONObject();
ConnectMgrVnfm mgrVcmm = new ConnectMgrVnfm();
if(Constant.HTTP_OK != mgrVcmm.connectSouth(vnfmObject, authModel)) {
resultJson.put(Constant.RETCODE, Constant.HTTP_INNERERROR);
resultJson.put("data", CONNECT_FAIL);
return resultJson;
}
HttpMethod httpMethod = null;
try {
String result = null;
String vnfPath = path.contains("%s") ? String.format(path, mgrVcmm.getRoaRand()) : path;
String oldUrl = vnfmObject.getString("url").trim();
String newUrl = oldUrl.replaceAll("30001", "30000");
LOG.info("function=callSouth, msg=url is {}, session is {}", newUrl + vnfPath, mgrVcmm.getAccessSession());
LOG.info("function=callSouth, paramsJson is {}", paramsJson);
HttpRequests.Builder builder =
new HttpRequests.Builder(authModel).addHeader(Constant.X_AUTH_TOKEN, mgrVcmm.getAccessSession())
.setUrl(newUrl, vnfPath).setParams(paramsJson);
MethodType methodType = MethodType.methodType(HttpRequests.Builder.class, new Class[0]);
MethodHandle mt =
MethodHandles.lookup().findVirtual(builder.getClass(), methodName, methodType).bindTo(builder);
builder = (HttpRequests.Builder)mt.invoke();
httpMethod = builder.execute();
result = httpMethod.getResponseBodyAsString();
LOG.warn(RESPONSE_STATUS, httpMethod.getStatusCode(), result);
resultJson.put(Constant.RETCODE, httpMethod.getStatusCode());
resultJson.put("data", result);
// logout delete tokens
String token = mgrVcmm.getAccessSession();
String user = vnfmObject.getString(Constant.USERNAME);
removeV3Tokens(newUrl, token, user);
} catch(IOException e) {
LOG.info(IOEXCEPTION, e);
} catch(ReflectiveOperationException e) {
LOG.info(REFLECTIVEOPERATIONEXCEPTION, e);
} catch(Throwable e) {
LOG.info(THROWABLE, e);
} finally {
if(httpMethod != null) {
httpMethod.releaseConnection();
}
}
if(httpMethod == null) {
resultJson.put(Constant.RETCODE, Constant.HTTP_INNERERROR);
resultJson.put("data", CONNECTION_ERROR);
}
return resultJson;
}
/**
* <br>
*
* @param vnfmUrl
* @param token
* @param user
* @throws VnfmException
* @since VFC 1.0
*/
private static void removeV3Tokens(String vnfmUrl, String token, String user) throws VnfmException {
HttpMethod httpMethodToken = null;
String tokenUrl = String.format(ParamConstants.CSM_AUTH_CONNECT_SOUTH_DISCONNECT, user);
LOG.info("removeTokens tokenUrl=" + tokenUrl);
try {
httpMethodToken = new HttpRequests.Builder(Constant.CERTIFICATE).setUrl(vnfmUrl.trim(), tokenUrl)
.setParams("").addHeader(Constant.X_AUTH_TOKEN, token).delete().execute();
int statusCode = httpMethodToken.getStatusCode();
String result = httpMethodToken.getResponseBodyAsString();
LOG.info("removeTokens int=" + statusCode + ", result=" + result);
} catch(IOException e) {
LOG.info(IOEXCEPTION, e);
} finally {
if(httpMethodToken != null) {
httpMethodToken.releaseConnection();
}
}
}
}
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