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/**
* ============LICENSE_START====================================================
* org.onap.ccsdk
* ===========================================================================
* Copyright (c) 2023 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.ccsdk.apps.cadi.principal;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Date;
import org.onap.ccsdk.apps.cadi.BasicCred;
import org.onap.ccsdk.apps.cadi.GetCred;
import org.onap.ccsdk.apps.cadi.Symm;
public class BasicPrincipal extends BearerPrincipal implements GetCred {
private static byte[] basic = "Basic ".getBytes();
private String name = null;
private String shortName = null;
private String domain;
private byte[] cred = null;
private long created;
public BasicPrincipal(String content,String defaultDomain) throws IOException {
created = System.currentTimeMillis();
ByteArrayInputStream bis = new ByteArrayInputStream(content.getBytes());
// Read past "Basic ", ensuring it starts with it.
for (int i=0;i<basic.length;++i) {
if (bis.read()!=basic[i]) {
name=content;
cred = null;
return;
}
}
BasicOS bos = new BasicOS(content.length());
Symm.base64.decode(bis,bos); // note: writes directly to name until ':'
if (name==null) throw new IOException("Invalid Coding");
else cred = bos.toCred();
int at;
if ((at=name.indexOf('@'))>0) {
domain=name.substring(at+1);
shortName=name.substring(0, at);
} else {
shortName = name;
domain=defaultDomain;
name = name + '@' + defaultDomain;
}
}
public BasicPrincipal(BasicCred bc, String domain) {
name = bc.getUser();
cred = bc.getCred();
this.domain = domain;
}
private class BasicOS extends OutputStream {
private boolean first = true;
private ByteArrayOutputStream baos;
public BasicOS(int size) {
baos = new ByteArrayOutputStream(size);
}
@Override
public void write(int b) throws IOException {
if (b==':' && first) {
first = false;
name = new String(baos.toByteArray());
baos.reset(); //
} else {
baos.write(b);
}
}
private byte[] toCred() {
return baos.toByteArray();
}
}
public String getName() {
return name;
}
public String getShortName() {
return shortName;
}
public String getDomain() {
return domain;
}
public byte[] getCred() {
return cred;
}
public long created() {
return created;
}
public String toString() {
return "Basic Authorization for " + name + " evaluated on " + new Date(created).toString();
}
@Override
public String tag() {
return "BAth";
}
@Override
public String personalName() {
return name; // personalName not available with Basic Auth
}
}
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