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/**
* ============LICENSE_START====================================================
* org.onap.aaf
* ===========================================================================
* Copyright (c) 2018 AT&T 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.aaf.auth.server;
import java.security.NoSuchAlgorithmException;
import java.util.Properties;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.servlet.Filter;
import org.onap.aaf.auth.common.Define;
import org.onap.aaf.auth.rserv.RServlet;
import org.onap.aaf.cadi.Access;
import org.onap.aaf.cadi.Access.Level;
import org.onap.aaf.cadi.CadiException;
import org.onap.aaf.cadi.LocatorException;
import org.onap.aaf.cadi.aaf.Defaults;
import org.onap.aaf.cadi.aaf.v2_0.AAFConHttp;
import org.onap.aaf.cadi.client.Rcli;
import org.onap.aaf.cadi.client.Retryable;
import org.onap.aaf.cadi.config.Config;
import org.onap.aaf.cadi.http.HTransferSS;
import org.onap.aaf.cadi.principal.TaggedPrincipal;
import org.onap.aaf.cadi.register.Registrant;
import org.onap.aaf.cadi.util.Split;
import org.onap.aaf.misc.env.APIException;
import org.onap.aaf.misc.env.Trans;
import org.onap.aaf.misc.env.impl.BasicEnv;
public abstract class AbsService<ENV extends BasicEnv, TRANS extends Trans> extends RServlet<TRANS> {
public final Access access;
public final ENV env;
private AAFConHttp aafCon;
public final String app_name;
public final String app_version;
public final String app_interface_version;
public final String ROOT_NS;
public AbsService(final Access access, final ENV env) throws CadiException {
Define.set(access);
ROOT_NS = Define.ROOT_NS();
this.access = access;
this.env = env;
String component = access.getProperty(Config.AAF_COMPONENT, null);
final String[] locator_deploy;
if (component == null) {
locator_deploy = null;
} else {
locator_deploy = Split.splitTrim(':', component);
if(locator_deploy.length>1 && "AAF_RELEASE".equals(locator_deploy[1])) {
locator_deploy[1]=access.getProperty(Config.AAF_RELEASE, Defaults.AAF_VERSION);
int snapshot = locator_deploy[1].indexOf("-SNAPSHOT");
if(snapshot>0) {
locator_deploy[1]=locator_deploy[1].substring(0, snapshot);
}
}
}
if (component == null || locator_deploy==null || locator_deploy.length<2) {
throw new CadiException("AAF Component must include the " + Config.AAF_COMPONENT + " property, <fully qualified service name>:<full deployed version (i.e. 2.1.3.13)");
}
final String[] version = Split.splitTrim('.', locator_deploy[1]);
if (version==null || version.length<2) {
throw new CadiException("AAF Component Version must have at least Major.Minor version");
}
app_name = Define.varReplace(locator_deploy[0]);
app_version = locator_deploy[1];
app_interface_version = version[0]+'.'+version[1];
// Print Cipher Suites Available
if (access.willLog(Level.DEBUG)) {
SSLContext context;
try {
context = SSLContext.getDefault();
} catch (NoSuchAlgorithmException e) {
throw new CadiException("SSLContext issue",e);
}
SSLSocketFactory sf = context.getSocketFactory();
StringBuilder sb = new StringBuilder("Available Cipher Suites: ");
boolean first = true;
int count=0;
for ( String cs : sf.getSupportedCipherSuites()) {
if (first)first = false;
else sb.append(',');
sb.append(cs);
if (++count%4==0){sb.append('\n');}
}
access.log(Level.DEBUG,sb);
}
}
protected abstract Filter[] _filters(Object ... additionalTafLurs) throws CadiException, LocatorException;
/**
* Overload this method to add new TAF or LURs
*
* @return
* @throws CadiException
* @throws LocatorException
*/
public Filter[] filters() throws CadiException, LocatorException {
return _filters();
}
public abstract Registrant<ENV>[] registrants(final int port) throws CadiException, LocatorException;
// Lazy Instantiation
public synchronized AAFConHttp aafCon() throws CadiException, LocatorException {
if (aafCon==null) {
if (access.getProperty(Config.AAF_URL,null)!=null) {
aafCon = _newAAFConHttp();
} else {
throw new CadiException("AAFCon cannot be constructed without " + Config.AAF_URL);
}
}
return aafCon;
}
/**
* Allow to be over ridden for special cases
* @return
* @throws LocatorException
*/
protected synchronized AAFConHttp _newAAFConHttp() throws CadiException, LocatorException {
if (aafCon==null) {
aafCon = new AAFConHttp(access);
}
return aafCon;
}
// This is a method, so we can overload for AAFAPI
public String aaf_url() {
return access.getProperty(Config.AAF_URL, null);
}
public Rcli<?> client() throws CadiException {
return aafCon.client(Config.AAF_DEFAULT_VERSION);
}
public Rcli<?> clientAsUser(TaggedPrincipal p) throws CadiException {
return aafCon.client(Config.AAF_DEFAULT_VERSION).forUser(
new HTransferSS(p,app_name, aafCon.securityInfo()));
}
public<RET> RET clientAsUser(TaggedPrincipal p,Retryable<RET> retryable) throws APIException, LocatorException, CadiException {
return aafCon.hman().best(new HTransferSS(p,app_name, aafCon.securityInfo()), retryable);
}
protected static final String loadFromArgOrSystem(final Properties props, final String tag, final String args[], final String def) {
String tagEQ = tag + '=';
String value;
for (String arg : args) {
if (arg.startsWith(tagEQ)) {
props.put(tag, value=arg.substring(tagEQ.length()));
return value;
}
}
// check System.properties
value = System.getProperty(tag);
if (value!=null) {
props.put(tag, value);
return value;
}
if (def!=null) {
props.put(tag,def);
}
return def;
}
}
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