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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Nordix Foundation.
* Copyright (C) 2021 Nokia. 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.dcaegen2.collectors.datafile.model;
import java.net.URI;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.List;
import java.util.Optional;
import org.apache.hc.core5.http.NameValuePair;
import org.apache.hc.core5.net.URIBuilder;
import org.immutables.gson.Gson;
import org.immutables.value.Value;
import org.onap.dcaegen2.collectors.datafile.commons.FileServerData;
import org.onap.dcaegen2.collectors.datafile.commons.ImmutableFileServerData;
import org.onap.dcaegen2.collectors.datafile.commons.Scheme;
/**
* Contains data, from the fileReady event, about the file to collect from the xNF.
*
* @author <a href="mailto:henrik.b.andersson@est.tech">Henrik Andersson</a>
*/
@Value.Immutable
@Gson.TypeAdapters
@Value.Style(redactedMask = "####")
public abstract class FileData {
public static final String DATAFILE_TMPDIR = "/tmp/onap_datafile/";
/**
* Get the file name with no path.
*
* @return the file name with no path
*/
public abstract String name();
/**
* Get the URL to use to fetch the file from the PNF.
*
* @return the URL to use to fetch the file from the PNF
*/
@Value.Redacted
public abstract String location();
/**
* Get the file transfer protocol to use for fetching the file.
*
* @return the file transfer protocol to use for fetching the file
*/
public abstract Scheme scheme();
public abstract String compression();
public abstract String fileFormatType();
public abstract String fileFormatVersion();
public abstract MessageMetaData messageMetaData();
/**
* Get the name of the PNF, must be unique in the network.
*
* @return the name of the PNF, must be unique in the network
*/
public String sourceName() {
return messageMetaData().sourceName();
}
/**
* Get the path to file to get from the PNF.
*
* @return the path to the file on the PNF.
*/
public String remoteFilePath() {
return URI.create(location()).getPath();
}
/**
* Get the path to the locally stored file.
*
* @return the path to the locally stored file.
*/
public Path getLocalFilePath() {
return Paths.get(DATAFILE_TMPDIR, name());
}
/**
* Get the data about the file server where the file should be collected from.
* Query data included as it can contain JWT token
*
* @return the data about the file server where the file should be collected from.
*/
public FileServerData fileServerData() {
URI uri = URI.create(location());
Optional<String[]> userInfo = getUserNameAndPasswordIfGiven(uri.getUserInfo());
ImmutableFileServerData.Builder builder = ImmutableFileServerData.builder() //
.serverAddress(uri.getHost()) //
.userId(userInfo.isPresent() ? userInfo.get()[0] : "") //
.password(userInfo.isPresent() ? userInfo.get()[1] : "");
if (uri.getPort() > 0) {
builder.port(uri.getPort());
}
URIBuilder uriBuilder = new URIBuilder(uri);
List<NameValuePair> query = uriBuilder.getQueryParams();
if (query != null && !query.isEmpty()) {
builder.queryParameters(query);
}
String fragment = uri.getRawFragment();
if (fragment != null && fragment.length() > 0) {
builder.uriRawFragment(fragment);
}
return builder.build();
}
/**
* Extracts user name and password from the user info, if it they are given in the URI.
*
* @param userInfoString the user info string from the URI.
*
* @return An <code>Optional</code> containing a String array with the user name and password if given, or an empty
* <code>Optional</code> if not given.
*/
private static Optional<String[]> getUserNameAndPasswordIfGiven(String userInfoString) {
if (userInfoString != null) {
String[] userAndPassword = userInfoString.split(":");
if (userAndPassword.length == 2) {
return Optional.of(userAndPassword);
} else if (userAndPassword.length == 1)// if just user
{
String[] tab = new String[2];
tab[0] = userAndPassword[0];
tab[1] = "";// add empty password
return Optional.of(tab);
}
}
return Optional.empty();
}
}
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