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/*
* ============LICENSE_START========================================================================
* ONAP : ccsdk feature sdnr wt
* =================================================================================================
* Copyright (C) 2021 Samsung Electronics
* Copyright (C) 2022 highstreet technologies GmbH Intellectual Property. 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.ccsdk.features.sdnr.wt.mountpointregistrar.impl;
import java.io.IOException;
import java.util.Base64;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.onap.ccsdk.features.sdnr.wt.common.http.BaseHTTPClient;
import org.onap.ccsdk.features.sdnr.wt.common.http.BaseHTTPResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public abstract class MessageClient extends BaseHTTPClient {
private static final Logger LOG = LoggerFactory.getLogger(MessageClient.class);
protected final Map<String, String> headerMap;
private String notificationUri;
public /* protected */ enum SendMethod {
PUT, POST
}
public /* protected */ enum MessageType {
xml, json
}
public MessageClient(String baseUrl, String notificationUri) {
super(baseUrl);
setNotificationUri(notificationUri);
headerMap = new HashMap<>();
}
public void setAuthorization(String username, String password) {
String credentials = username + ":" + password;
headerMap.put("Authorization", "Basic " + new String(Base64.getEncoder().encode(credentials.getBytes())));
}
public abstract String prepareMessageFromPayloadMap(Map<String, String> notificationPayloadMapMessage);
protected String prepareMessageFromPayloadMap(Map<String, String> payloadMapMessage, String messagePayload,
List<String> requiredFields) {
String message = "";
if (inputMapHasAllRequiredFields(payloadMapMessage, requiredFields)) {
message = insertValuesToPayload(payloadMapMessage, messagePayload);
} else {
LOG.warn("Input map is missing required fields.");
}
return message;
}
private boolean inputMapHasAllRequiredFields(Map<String, String> mapToValidate, List<String> requiredFields) {
if (mapToValidate == null || mapToValidate.isEmpty()) {
return false;
}
for (String requiredField : requiredFields) {
if (!mapToValidate.containsKey(requiredField)) {
LOG.warn("Missing required field {}", requiredField);
return false;
}
}
return true;
}
private String insertValuesToPayload(Map<String, String> payloadMapMessage, String payload) {
for (Map.Entry<String, String> entry : payloadMapMessage.entrySet()) {
payload = payload.replace(entry.getKey(), entry.getValue() != null ? entry.getValue() : "null");
}
return payload;
}
public abstract boolean sendNotification(String message);
protected boolean sendNotification(String message, SendMethod method, MessageType messageType) {
LOG.debug("In sendRequestNotification - {}-{}", method, redactMessage(message));
headerMap.put("Content-Type", "application/".concat(messageType.toString()));
headerMap.put("Accept", "application/".concat(messageType.toString()));
BaseHTTPResponse response;
try {
response = sendRequest(notificationUri, method.toString(), message, headerMap);
} catch (IOException e) {
LOG.warn("Problem sending message: {}", e.getMessage());
return false;
}
LOG.debug("Finished with response code {}", response.code);
return response.isSuccess();
}
protected void setNotificationUri(String notificationUri) {
this.notificationUri = notificationUri;
}
private String redactMessage(String message) {
String REGEX = "";
if (message.contains("<key-id")) {
REGEX = "(<key-id.*>)(.*)(<\\/key-id>)";
} else if (message.contains("<password")) {
REGEX = "(<password.*>)(.*)(<\\/password>)";
} else {
return message;
}
Pattern p = Pattern.compile(REGEX, Pattern.MULTILINE);
Matcher matcher = p.matcher(message);
return matcher.replaceAll("$1*********$3");
}
}
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