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/*-
* ============LICENSE_START=======================================================
* org.onap.dcaegen2.collectors.restconf
* ================================================================================
* Copyright (C) 2018-2019 Huawei. 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.dcae.controller;
import org.json.JSONArray;
import org.json.JSONObject;
import org.onap.dcae.ApplicationException;
import org.onap.dcae.ApplicationSettings;
import org.onap.dcae.common.Constants;
import org.onap.dcae.common.RestConfContext;
import org.onap.dcae.common.RestapiCallNode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import static java.nio.file.Files.readAllBytes;
import static org.onap.dcae.common.RestapiCallNodeUtil.getUriMethod;
public class AccessController {
private static final Logger log = LoggerFactory.getLogger(AccessController.class);
/* Collector properties */
private ApplicationSettings properties;
/* Controller specific information */
private ControllerConfigInfo cfgInfo;
private RestConfContext ctx;
RestapiCallNode restApiCallNode;
/* Maps of Events */
private Map<String, PersistentEventConnection> eventList = new ConcurrentHashMap<>();
private ExecutorService executor = Executors.newCachedThreadPool();
private Map<String, String> paraMap;
public AccessController(JSONObject controller,
ApplicationSettings properties) {
this.cfgInfo = new ControllerConfigInfo(controller.get("controller_name").toString(),
controller.get("controller_restapiUrl").toString(),
controller.get("controller_restapiUser").toString(),
controller.get("controller_restapiPassword").toString(),
controller.get("controller_accessTokenUrl").toString(),
controller.get("controller_accessTokenFile").toString(),
controller.get("controller_subscriptionUrl").toString(),
controller.get("controller_accessTokenMethod").toString(),
controller.get("controller_subsMethod").toString());
this.properties = properties;
this.ctx = new RestConfContext();
this.restApiCallNode = new RestapiCallNode();
this.paraMap = new HashMap<>();
prepareControllerParamMap();
log.info("AccesController Created {} {} {} {} {} {}",
this.cfgInfo.getController_name(),
this.cfgInfo.getController_restapiUrl(),
this.cfgInfo.getController_restapiPassword(),
this.cfgInfo.getController_restapiUser(),
this.cfgInfo.getController_accessTokenUrl(),
this.cfgInfo.getController_accessTokenFile());
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof AccessController)) return false;
AccessController that = (AccessController) o;
return that.cfgInfo.getController_name().equals(that.cfgInfo.getController_name());
}
@Override
public int hashCode() {
return Objects.hash(this.cfgInfo.getController_name());
}
public RestapiCallNode getRestApiCallNode() {
return restApiCallNode;
}
private void fetch_TokenId() {
modifyControllerParamMap(Constants.KSETTING_REST_API_URL, getUriMethod(this.properties.authorizationEnabled()) + cfgInfo.getController_restapiUrl() + cfgInfo.getController_accessTokenUrl());
modifyControllerParamMap(Constants.KDEFAULT_TEMP_FILENAME, cfgInfo.getController_accessTokenFile());
modifyControllerParamMap(Constants.KSETTING_REST_UNAME, cfgInfo.getController_restapiUser());
modifyControllerParamMap(Constants.KSETTING_REST_PASSWORD, cfgInfo.getController_restapiPassword());
modifyControllerParamMap(Constants.KSETTING_HTTP_METHOD, cfgInfo.getController_accessTokenMethod());
String httpResponse = null;
try {
restApiCallNode.sendRequest(this.paraMap, ctx, null);
String key = getControllerParamMapValue(Constants.KSETTING_RESP_PREFIX).concat(".").concat("httpResponse");
httpResponse = ctx.getAttribute(key);
log.info("httpResponse ", httpResponse + " key " + key);
JSONObject jsonObj = new JSONObject(httpResponse);
log.info("jsonObj ", jsonObj.toString());
//JSONObject data = jsonObj.getJSONObject("data");
//String tokenId = data.get("accessSession").toString();
//@TODO: Make return field dynamic
String tokenId = jsonObj.get("accessSession").toString();
log.info("token 1" + tokenId);
modifyControllerParamMap(Constants.KSETTING_TOKENID, tokenId);
modifyControllerParamMap(Constants.KSETTING_CUSTOMHTTP_HEADER, "X-ACCESS-TOKEN=" + tokenId);
} catch (Exception e) {
log.info("Access token is not supported" + e.getMessage());
log.info("http response " + httpResponse);
}
}
public void activate() {
fetch_TokenId();
printControllerParamMap();
/* Create eventlist from properties */
JSONArray contollers = new JSONArray(properties.rcc_policy());
for (int i = 0; i < contollers.length(); i++) {
JSONObject controller = contollers.getJSONObject(i);
if (controller.get("controller_name").equals(this.getCfgInfo().getController_name())) {
JSONArray eventlists = controller.getJSONArray("event_details");
for (int j = 0; j < eventlists.length(); j++) {
JSONObject event = eventlists.getJSONObject(j);
String name = event.get("event_name").toString();
PersistentEventConnection conn = new PersistentEventConnection(name,
event.get("event_description").toString(),
Boolean.parseBoolean(event.get("event_sseventUrlEmbed").toString()),
event.get("event_sseventsField").toString(),
event.get("event_sseventsUrl").toString(),
event.get("event_subscriptionTemplate").toString(),
event.get("event_unSubscriptionTemplate").toString(),
event.get("event_ruleId").toString(),
this);
eventList.put(name, conn);
executor.execute(conn);
}
}
}
}
public RestConfContext getCtx() {
return ctx;
}
public ApplicationSettings getProperties() {
return properties;
}
public ControllerConfigInfo getCfgInfo() {
return cfgInfo;
}
public Map<String, String> getParaMap() {
return this.paraMap;
}
private void prepareControllerParamMap() {
/* Adding the fields in ParaMap */
paraMap.put(Constants.KDEFAULT_TEMP_FILENAME, null);
paraMap.put(Constants.KSETTING_REST_API_URL, null);
paraMap.put(Constants.KSETTING_HTTP_METHOD, "post");
paraMap.put(Constants.KSETTING_RESP_PREFIX, "responsePrefix");
paraMap.put(Constants.KSETTING_SKIP_SENDING, "false");
paraMap.put(Constants.KSETTING_SSE_CONNECT_URL, null);
paraMap.put(Constants.KSETTING_FORMAT, "json");
paraMap.put(Constants.KSETTING_REST_UNAME, null);
paraMap.put(Constants.KSETTING_REST_PASSWORD, null);
paraMap.put(Constants.KDEFAULT_REQUESTBODY, null);
paraMap.put(Constants.KSETTING_AUTH_TYPE, "unspecified");
paraMap.put(Constants.KSETTING_CONTENT_TYPE, "application/json");
paraMap.put(Constants.KSETTING_OAUTH_CONSUMER_KEY, null);
paraMap.put(Constants.KSETTING_OAUTH_CONSUMER_SECRET, null);
paraMap.put(Constants.KSETTING_OAUTH_SIGNATURE_METHOD, null);
paraMap.put(Constants.KSETTING_OAUTH_VERSION, null);
paraMap.put(Constants.KSETTING_CUSTOMHTTP_HEADER, null);
paraMap.put(Constants.KSETTING_TOKENID, null);
paraMap.put(Constants.KSETTING_DUMP_HEADER, "false");
paraMap.put(Constants.KSETTING_RETURN_REQUEST_PAYLOAD, "false");
paraMap.put(Constants.KSETTING_TRUST_STORE_FILENAME, this.getProperties().truststoreFileLocation());
String trustPassword = getKeyStorePassword(toAbsolutePath(this.getProperties().truststorePasswordFileLocation()));
paraMap.put(Constants.KSETTING_TRUST_STORE_PASSWORD, trustPassword);
paraMap.put(Constants.KSETTING_KEY_STORE_FILENAME, this.getProperties().keystoreFileLocation());
String KeyPassword = getKeyStorePassword(toAbsolutePath(this.getProperties().keystorePasswordFileLocation()));
paraMap.put(Constants.KSETTING_KEY_STORE_PASSWORD, KeyPassword);
}
private Path toAbsolutePath(final String path) {
return Paths.get(path).toAbsolutePath();
}
private String getKeyStorePassword(final Path location) {
try {
return new String(readAllBytes(location));
} catch (Exception e) {
log.error("Could not read password from: '" + location + "'.", e);
throw new ApplicationException(e);
}
}
public void modifyControllerParamMap(String fieldName, String value) {
paraMap.put(fieldName, value);
}
public String getControllerParamMapValue(String fieldName) {
return paraMap.get(fieldName);
}
public void printControllerParamMap() {
log.info("----------------Controller Param Map-------------------");
for (String name : paraMap.keySet()) {
String value = paraMap.get(name);
log.info(name + " : " + value);
}
}
}
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