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/*
* ============LICENSE_START=======================================================
* org.onap.dcaegen2.restconfcollector
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* Copyright (C) 2018 Nokia. All rights reserved.
* Copyright (C) 2018-2022 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;
import com.google.common.annotations.VisibleForTesting;
import io.vavr.Function1;
import io.vavr.collection.HashMap;
import io.vavr.collection.List;
import io.vavr.collection.Map;
import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.configuration.PropertiesConfiguration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.annotation.Nullable;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Iterator;
/**
* Abstraction over application configuration.
* Its job is to provide easily discoverable (by method names lookup) and type safe access to configuration properties.
*/
public class ApplicationSettings {
private static final Logger log = LoggerFactory.getLogger(ApplicationSettings.class);
public static String responseCompatibility;
private final String appInvocationDir;
private final String configurationFileLocation;
private final PropertiesConfiguration properties = new PropertiesConfiguration();
public ApplicationSettings(String[] args, Function1<String[], Map<String, String>> argsParser) {
this(args, argsParser, System.getProperty("user.dir"));
}
public ApplicationSettings(String[] args, Function1<String[], Map<String, String>> argsParser, String appInvocationDir) {
log.info("New ApplicationSettings........");
this.appInvocationDir = appInvocationDir;
properties.setDelimiterParsingDisabled(true);
Map<String, String> parsedArgs = argsParser.apply(args);
configurationFileLocation = findOutConfigurationFileLocation(parsedArgs);
loadPropertiesFromFile();
parsedArgs.filterKeys(k -> !"c".equals(k)).forEach(this::addOrUpdate);
}
public void reloadProperties() {
try {
log.info("Reloading Properties ....");
properties.load(configurationFileLocation);
properties.refresh();
} catch (ConfigurationException ex) {
log.error("Cannot load properties cause:", ex);
throw new ApplicationException(ex);
}
}
public void loadPropertiesFromFile() {
try {
properties.load(configurationFileLocation);
Iterator<String> itr = properties.getKeys();
while (itr.hasNext()) {
String key = itr.next();
log.info(" Key " + key + " value" + properties.getString(key));
}
} catch (ConfigurationException ex) {
log.error("Cannot load properties cause:", ex);
throw new ApplicationException(ex);
}
}
public boolean authorizationEnabled() {
return properties.getInt("collector.header.authflag", 0) > 0;
}
private String findOutConfigurationFileLocation(Map<String, String> parsedArgs) {
return prependWithUserDirOnRelative(parsedArgs.get("c").getOrElse("etc/collector.properties"));
}
public Path configurationFileLocation() {
return Paths.get(configurationFileLocation);
}
public int maximumAllowedQueuedEvents() {
return properties.getInt("collector.rcc.inputQueue.maxPending", 1024 * 4);
}
public int httpPort() {
return properties.getInt("collector.rcc.service.port", 8080);
}
public int httpsPort() {
return properties.getInt("collector.rcc.service.secure.port", 8687);
}
public boolean httpsEnabled() {
return httpsPort() > 0;
}
public String rccKeystorePasswordFileLocation() {
return prependWithUserDirOnRelative(properties.getString("collector.keystore.passwordfile", "etc/rcc_passwordfile"));
}
public String rccKeystoreFileLocation() {
return prependWithUserDirOnRelative(properties.getString("collector.keystore.file.location", "etc/keystore"));
}
public String keystorePasswordFileLocation() {
return prependWithUserDirOnRelative(properties.getString("collector.rcc.keystore.passwordfile", "etc/passwordfile"));
}
public String keystoreFileLocation() {
return prependWithUserDirOnRelative(properties.getString("collector.rcc.keystore.file.location", "etc/sdnc.p12"));
}
public boolean clientTlsAuthenticationEnabled() {
return httpsEnabled() && properties.getInt("collector.rcc.service.secure.clientauth", 0) > 0;
}
public Map<String, String> validAuthorizationCredentials() {
return prepareUsersMap(properties.getString("collector.header.authlist", null));
}
private Map<String, String> prepareUsersMap(@Nullable String allowedUsers) {
return allowedUsers == null ? HashMap.empty()
: List.of(allowedUsers.split("\\|"))
.map(t -> t.split(","))
.toMap(t -> t[0].trim(), t -> t[1].trim());
}
public String keystoreAlias() {
return properties.getString("collector.rcc.keystore.alias", "tomcat");
}
public String truststorePasswordFileLocation() {
return prependWithUserDirOnRelative(properties.getString("collector.rcc.truststore.passwordfile", "etc/trustpasswordfile"));
}
public String truststoreFileLocation() {
return prependWithUserDirOnRelative(properties.getString("collector.rcc.truststore.file.location", "etc/truststore.onap.client.jks"));
}
public String rccPolicy() {
return properties.getString("rcc_policy", "");
}
public String dMaaPConfigurationFileLocation() {
return prependWithUserDirOnRelative(properties.getString("collector.dmaapfile", "etc/DmaapConfig.json"));
}
public String controllerConfigFileLocation() {
return prependWithUserDirOnRelative(properties.getString("collector.eventinfo", "etc/ont_config.json"));
}
public int configurationUpdateFrequency() {
return properties.getInt("collector.dynamic.config.update.frequency", 5);
}
public String dMaaPStreamsMapping() {
return properties.getString("collector.rcc.dmaap.streamid", null);
}
public void addOrUpdate(String key, String value) {
if (properties.containsKey(key)) {
properties.setProperty(key, value);
} else {
properties.addProperty(key, value);
}
}
private String prependWithUserDirOnRelative(String filePath) {
if (!Paths.get(filePath).isAbsolute()) {
filePath = Paths.get(appInvocationDir, filePath).toString();
}
return filePath;
}
@VisibleForTesting
String getStringDirectly(String key) {
return properties.getString(key);
}
}
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