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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.multivimproxy.service.rest;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import org.apache.commons.io.IOUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.onap.vfc.nfvo.multivimproxy.common.conf.Config;
import org.onap.vfc.nfvo.multivimproxy.common.constant.Constant;
import org.onap.vfc.nfvo.multivimproxy.common.constant.ParamConstant;
import org.onap.vfc.nfvo.multivimproxy.common.constant.UrlConstant;
import org.onap.vfc.nfvo.multivimproxy.common.util.RestfulUtil;
import org.onap.vfc.nfvo.multivimproxy.common.util.request.RequestUtil;
import org.onap.vfc.nfvo.multivimproxy.common.util.restclient.RestfulParametes;
import org.onap.vfc.nfvo.multivimproxy.common.util.restclient.RestfulResponse;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.APPLICATION_JSON)
public class ProxyRoa {
private static final Logger LOGGER = LogManager.getLogger(ProxyRoa.class);
private static final String vimId = Config.getCloudRegionId() + "_" + Config.getCloudRegionId();
/**
* API doc.
*
* @return
* @throws IOException
*/
@GET
@Path("/api/multivimproxy/v1/swagger.json")
public String apidoc() throws IOException {
ClassLoader classLoader = getClass().getClassLoader();
return IOUtils.toString(classLoader.getResourceAsStream("swagger.json"));
}
@POST
@Path("/v3/auth/tokens")
public String createTokens(@Context HttpServletRequest context, @Context HttpServletResponse rsp) {
JSONObject object = RequestUtil.getJsonRequestBody(context);
if(null == object) {
LOGGER.error("function=createTokens; msg=add error, because createTokens is null.");
String resultStr = "Login params insufficient";
rsp.setStatus(Constant.HTTP_BAD_REQUEST);
return resultStr;
}
LOGGER.info("IdentityRoa::createTokens:{}", object.toString());
// transfer to MultiVim
RestfulParametes restfulParametes = new RestfulParametes();
Map<String, String> headerMap = new HashMap<>(3);
headerMap.put("Content-Type", "application/json");
restfulParametes.setHeaderMap(headerMap);
restfulParametes.setRawData(object.toString());
String identityUrl = UrlConstant.MULTI_VIM_PREFIX + vimId + "/v3/auth/tokens";
RestfulResponse rest = RestfulUtil.getResponse(identityUrl, restfulParametes, null, ParamConstant.PARAM_POST);
String result = rest.getResponseContent();
if(null != result) {
JSONObject ret = JSONObject.fromObject(result);
JSONObject token = ret.getJSONObject("token");
JSONArray catalog = token.getJSONArray("catalog");
for(int i = 0; i < catalog.size(); i++) {
JSONArray endpoints = catalog.getJSONObject(i).getJSONArray("endpoints");
for(int j = 0; j < endpoints.size(); j++) {
String newUrl = "";
JSONObject endpoint = endpoints.getJSONObject(j);
String url = endpoint.getString("url");
for(int k = 6; k < url.split("/").length; k++) {
newUrl += "/" + url.split("/")[k];
}
newUrl += Config.getOpenstackPrefix();
endpoint.replace("url", newUrl);
}
}
rsp.setStatus(rest.getStatus());
} else {
LOGGER.error("function=createTokens; msg=add error, because multivim return null.");
}
return result;
}
@POST
@Path("{var:.*}")
public String proxyPost(@Context HttpServletRequest context, @Context HttpServletResponse rsp) {
JSONObject object = RequestUtil.getJsonRequestBody(context);
if(null == object) {
LOGGER.error("function=proxyPost; msg=Post error, because proxyPost is null.");
String resultStr = "POST params insufficient";
rsp.setStatus(Constant.HTTP_BAD_REQUEST);
return resultStr;
}
// transfer to MultiVim
RestfulParametes restfulParametes = new RestfulParametes();
Map<String, String> headerMap = new HashMap<>(3);
headerMap.put("Content-Type", "application/json");
restfulParametes.setHeaderMap(headerMap);
restfulParametes.setRawData(object.toString());
String Url = UrlConstant.MULTI_VIM_PREFIX + vimId + context.getRequestURI();
RestfulResponse rest = RestfulUtil.getResponse(Url, restfulParametes, null, ParamConstant.PARAM_POST);
String result = rest.getResponseContent();
rsp.setStatus(rest.getStatus());
return result;
}
@GET
@Path("{var:.*}")
public String proxyGet(@Context HttpServletRequest context, @Context HttpServletResponse rsp) {
// transfer to MultiVim
RestfulParametes restfulParametes = new RestfulParametes();
Map<String, String> headerMap = new HashMap<>(3);
headerMap.put("Content-Type", "application/json");
restfulParametes.setHeaderMap(headerMap);
String Url = UrlConstant.MULTI_VIM_PREFIX + vimId + context.getRequestURI();
RestfulResponse rest = RestfulUtil.getResponse(Url, restfulParametes, null, ParamConstant.PARAM_GET);
String result = rest.getResponseContent();
rsp.setStatus(rest.getStatus());
return result;
}
@PUT
@Path("{var:.*}")
public String proxyPut(@Context HttpServletRequest context, @Context HttpServletResponse rsp) {
JSONObject object = RequestUtil.getJsonRequestBody(context);
if(null == object) {
LOGGER.error("function=proxyPost; msg=PUT error, because porxyPut is null.");
String resultStr = "update params insufficient";
rsp.setStatus(Constant.HTTP_BAD_REQUEST);
return resultStr;
}
// transfer to MultiVim
RestfulParametes restfulParametes = new RestfulParametes();
Map<String, String> headerMap = new HashMap<>(3);
headerMap.put("Content-Type", "application/json");
restfulParametes.setHeaderMap(headerMap);
restfulParametes.setRawData(object.toString());
String Url = UrlConstant.MULTI_VIM_PREFIX + vimId + context.getRequestURI();
RestfulResponse rest = RestfulUtil.getResponse(Url, restfulParametes, null, RestfulUtil.TYPE_PUT);
String result = rest.getResponseContent();
rsp.setStatus(rest.getStatus());
return result;
}
@DELETE
@Path("{var:.*}")
public String proxyDelete(@Context HttpServletRequest context, @Context HttpServletResponse rsp) {
// transfer to MultiVim
RestfulParametes restfulParametes = new RestfulParametes();
Map<String, String> headerMap = new HashMap<>(3);
headerMap.put("Content-Type", "application/json");
restfulParametes.setHeaderMap(headerMap);
String Url = UrlConstant.MULTI_VIM_PREFIX + vimId + context.getRequestURI();
RestfulResponse rest = RestfulUtil.getResponse(Url, restfulParametes, null, RestfulUtil.TYPE_DEL);
String result = rest.getResponseContent();
rsp.setStatus(rest.getStatus());
return result;
}
}
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