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/*******************************************************************************
* ============LICENSE_START====================================================
* * org.onap.aaf
* * ===========================================================================
* * Copyright © 2017 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====================================================
* *
* * ECOMP is a trademark and service mark of AT&T Intellectual Property.
* *
******************************************************************************/
package com.att.cadi.aaf;
import java.security.Principal;
import java.util.regex.Pattern;
import com.att.cadi.Transmutate;
import com.att.cadi.lur.ConfigPrincipal;
import com.att.cadi.principal.BasicPrincipal;
import com.att.cadi.principal.CSPPrincipal_T;
/**
* AAFTransmutate
*
* Each System determines the mechanisms for which one Principal is transmutated to another, such as whether it is created
* independently, etc.
*
* For AAF, the only important thing is that these are valid ATTUID/mechIDs, to avoid unnecessary user hits
*
* attUIDs look like ab1234 or AB1234 or AZ123a
* mechids look like m12345
*
*
*/
public final class AAFTransmutate implements Transmutate<Principal> {
private Pattern pattern = Pattern.compile("[a-zA-Z]\\w\\d\\d\\d\\w");
public Principal mutate(Principal p) {
// Accept these three internal kinds of Principals
if(p instanceof CSPPrincipal_T
|| p instanceof BasicPrincipal
|| p instanceof ConfigPrincipal) {
return p;
} else {
final String name = p.getName();
final int idx = name.indexOf('@');
String shortName;
if(idx>0) { // strip off any domain
shortName = name.substring(0,idx);
} else {
shortName = name;
}
// Check for ATTUID specs before creating CSP_T
return pattern.matcher(shortName).matches()?
new CSP_T(name): // Note: use REAL name, short name for CSP_T
null;
}
}
/**
* Essential Principal reflecting CSP Principal
*
*
*/
private final class CSP_T implements CSPPrincipal_T {
private String name;
public CSP_T(String name) {
this.name = name;
}
public String getName() {
return name;
}
}
}
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