author | weijun |
Wed, 15 Jan 2014 11:23:07 +0800 | |
changeset 23913 | 049a0df69b88 |
parent 22317 | b420ef26d238 |
child 25188 | e680ab7f208e |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package javax.security.auth; |
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import java.util.*; |
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import java.io.*; |
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import java.lang.reflect.*; |
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import java.text.MessageFormat; |
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import java.security.AccessController; |
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import java.security.AccessControlContext; |
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import java.security.DomainCombiner; |
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import java.security.Permission; |
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import java.security.PermissionCollection; |
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import java.security.Principal; |
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import java.security.PrivilegedAction; |
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import java.security.PrivilegedExceptionAction; |
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import java.security.PrivilegedActionException; |
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import java.security.ProtectionDomain; |
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import sun.security.util.ResourcesMgr; |
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/** |
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* <p> A {@code Subject} represents a grouping of related information |
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* for a single entity, such as a person. |
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* Such information includes the Subject's identities as well as |
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* its security-related attributes |
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* (passwords and cryptographic keys, for example). |
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* |
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* <p> Subjects may potentially have multiple identities. |
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* Each identity is represented as a {@code Principal} |
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* within the {@code Subject}. Principals simply bind names to a |
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* {@code Subject}. For example, a {@code Subject} that happens |
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* to be a person, Alice, might have two Principals: |
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* one which binds "Alice Bar", the name on her driver license, |
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* to the {@code Subject}, and another which binds, |
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* "999-99-9999", the number on her student identification card, |
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* to the {@code Subject}. Both Principals refer to the same |
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* {@code Subject} even though each has a different name. |
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* |
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* <p> A {@code Subject} may also own security-related attributes, |
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* which are referred to as credentials. |
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* Sensitive credentials that require special protection, such as |
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* private cryptographic keys, are stored within a private credential |
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* {@code Set}. Credentials intended to be shared, such as |
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* public key certificates or Kerberos server tickets are stored |
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* within a public credential {@code Set}. Different permissions |
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* are required to access and modify the different credential Sets. |
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* |
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* <p> To retrieve all the Principals associated with a {@code Subject}, |
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* invoke the {@code getPrincipals} method. To retrieve |
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* all the public or private credentials belonging to a {@code Subject}, |
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* invoke the {@code getPublicCredentials} method or |
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* {@code getPrivateCredentials} method, respectively. |
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* To modify the returned {@code Set} of Principals and credentials, |
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* use the methods defined in the {@code Set} class. |
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* For example: |
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* <pre> |
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* Subject subject; |
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* Principal principal; |
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* Object credential; |
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* |
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* // add a Principal and credential to the Subject |
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* subject.getPrincipals().add(principal); |
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* subject.getPublicCredentials().add(credential); |
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* </pre> |
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* |
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* <p> This {@code Subject} class implements {@code Serializable}. |
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* While the Principals associated with the {@code Subject} are serialized, |
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* the credentials associated with the {@code Subject} are not. |
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* Note that the {@code java.security.Principal} class |
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* does not implement {@code Serializable}. Therefore all concrete |
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* {@code Principal} implementations associated with Subjects |
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* must implement {@code Serializable}. |
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* |
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* @see java.security.Principal |
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* @see java.security.DomainCombiner |
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*/ |
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public final class Subject implements java.io.Serializable { |
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private static final long serialVersionUID = -8308522755600156056L; |
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/** |
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* A {@code Set} that provides a view of all of this |
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* Subject's Principals |
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* |
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* <p> |
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* |
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* @serial Each element in this set is a |
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* {@code java.security.Principal}. |
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* The set is a {@code Subject.SecureSet}. |
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*/ |
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Set<Principal> principals; |
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/** |
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* Sets that provide a view of all of this |
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* Subject's Credentials |
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*/ |
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transient Set<Object> pubCredentials; |
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transient Set<Object> privCredentials; |
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/** |
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* Whether this Subject is read-only |
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* |
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* @serial |
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*/ |
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private volatile boolean readOnly = false; |
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private static final int PRINCIPAL_SET = 1; |
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private static final int PUB_CREDENTIAL_SET = 2; |
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private static final int PRIV_CREDENTIAL_SET = 3; |
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private static final ProtectionDomain[] NULL_PD_ARRAY |
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= new ProtectionDomain[0]; |
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/** |
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* Create an instance of a {@code Subject} |
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* with an empty {@code Set} of Principals and empty |
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* Sets of public and private credentials. |
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* |
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* <p> The newly constructed Sets check whether this {@code Subject} |
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* has been set read-only before permitting subsequent modifications. |
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* The newly created Sets also prevent illegal modifications |
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* by ensuring that callers have sufficient permissions. |
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* |
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* <p> To modify the Principals Set, the caller must have |
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* {@code AuthPermission("modifyPrincipals")}. |
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* To modify the public credential Set, the caller must have |
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* {@code AuthPermission("modifyPublicCredentials")}. |
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* To modify the private credential Set, the caller must have |
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* {@code AuthPermission("modifyPrivateCredentials")}. |
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*/ |
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public Subject() { |
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this.principals = Collections.synchronizedSet |
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(new SecureSet<Principal>(this, PRINCIPAL_SET)); |
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this.pubCredentials = Collections.synchronizedSet |
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(new SecureSet<Object>(this, PUB_CREDENTIAL_SET)); |
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this.privCredentials = Collections.synchronizedSet |
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(new SecureSet<Object>(this, PRIV_CREDENTIAL_SET)); |
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} |
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/** |
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* Create an instance of a {@code Subject} with |
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* Principals and credentials. |
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* |
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* <p> The Principals and credentials from the specified Sets |
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* are copied into newly constructed Sets. |
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* These newly created Sets check whether this {@code Subject} |
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* has been set read-only before permitting subsequent modifications. |
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* The newly created Sets also prevent illegal modifications |
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* by ensuring that callers have sufficient permissions. |
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* |
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* <p> To modify the Principals Set, the caller must have |
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* {@code AuthPermission("modifyPrincipals")}. |
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* To modify the public credential Set, the caller must have |
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* {@code AuthPermission("modifyPublicCredentials")}. |
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* To modify the private credential Set, the caller must have |
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* {@code AuthPermission("modifyPrivateCredentials")}. |
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* <p> |
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* |
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* @param readOnly true if the {@code Subject} is to be read-only, |
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* and false otherwise. <p> |
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* |
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* @param principals the {@code Set} of Principals |
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* to be associated with this {@code Subject}. <p> |
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* |
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* @param pubCredentials the {@code Set} of public credentials |
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* to be associated with this {@code Subject}. <p> |
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* |
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* @param privCredentials the {@code Set} of private credentials |
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* to be associated with this {@code Subject}. |
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* |
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* @exception NullPointerException if the specified |
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* {@code principals}, {@code pubCredentials}, |
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* or {@code privCredentials} are {@code null}. |
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*/ |
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public Subject(boolean readOnly, Set<? extends Principal> principals, |
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Set<?> pubCredentials, Set<?> privCredentials) |
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{ |
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if (principals == null || |
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pubCredentials == null || |
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privCredentials == null) |
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throw new NullPointerException |
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(ResourcesMgr.getString("invalid.null.input.s.")); |
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this.principals = Collections.synchronizedSet(new SecureSet<Principal> |
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(this, PRINCIPAL_SET, principals)); |
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this.pubCredentials = Collections.synchronizedSet(new SecureSet<Object> |
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(this, PUB_CREDENTIAL_SET, pubCredentials)); |
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this.privCredentials = Collections.synchronizedSet(new SecureSet<Object> |
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(this, PRIV_CREDENTIAL_SET, privCredentials)); |
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this.readOnly = readOnly; |
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} |
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/** |
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* Set this {@code Subject} to be read-only. |
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* |
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* <p> Modifications (additions and removals) to this Subject's |
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* {@code Principal} {@code Set} and |
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* credential Sets will be disallowed. |
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* The {@code destroy} operation on this Subject's credentials will |
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* still be permitted. |
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* |
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* <p> Subsequent attempts to modify the Subject's {@code Principal} |
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* and credential Sets will result in an |
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* {@code IllegalStateException} being thrown. |
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* Also, once a {@code Subject} is read-only, |
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* it can not be reset to being writable again. |
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* |
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* <p> |
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* |
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* @exception SecurityException if the caller does not have permission |
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* to set this {@code Subject} to be read-only. |
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*/ |
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public void setReadOnly() { |
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java.lang.SecurityManager sm = System.getSecurityManager(); |
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if (sm != null) { |
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sm.checkPermission(AuthPermissionHolder.SET_READ_ONLY_PERMISSION); |
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} |
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this.readOnly = true; |
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} |
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/** |
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* Query whether this {@code Subject} is read-only. |
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* |
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* <p> |
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* |
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* @return true if this {@code Subject} is read-only, false otherwise. |
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*/ |
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public boolean isReadOnly() { |
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return this.readOnly; |
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} |
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/** |
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* Get the {@code Subject} associated with the provided |
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* {@code AccessControlContext}. |
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* |
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* <p> The {@code AccessControlContext} may contain many |
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* Subjects (from nested {@code doAs} calls). |
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* In this situation, the most recent {@code Subject} associated |
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* with the {@code AccessControlContext} is returned. |
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* |
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* <p> |
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* |
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* @param acc the {@code AccessControlContext} from which to retrieve |
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* the {@code Subject}. |
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* |
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* @return the {@code Subject} associated with the provided |
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* {@code AccessControlContext}, or {@code null} |
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* if no {@code Subject} is associated |
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* with the provided {@code AccessControlContext}. |
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* |
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* @exception SecurityException if the caller does not have permission |
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* to get the {@code Subject}. <p> |
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* |
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* @exception NullPointerException if the provided |
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* {@code AccessControlContext} is {@code null}. |
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*/ |
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public static Subject getSubject(final AccessControlContext acc) { |
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java.lang.SecurityManager sm = System.getSecurityManager(); |
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if (sm != null) { |
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sm.checkPermission(AuthPermissionHolder.GET_SUBJECT_PERMISSION); |
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} |
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if (acc == null) { |
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throw new NullPointerException(ResourcesMgr.getString |
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("invalid.null.AccessControlContext.provided")); |
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} |
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// return the Subject from the DomainCombiner of the provided context |
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return AccessController.doPrivileged |
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(new java.security.PrivilegedAction<Subject>() { |
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public Subject run() { |
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DomainCombiner dc = acc.getDomainCombiner(); |
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if (!(dc instanceof SubjectDomainCombiner)) |
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return null; |
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SubjectDomainCombiner sdc = (SubjectDomainCombiner)dc; |
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return sdc.getSubject(); |
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} |
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}); |
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} |
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/** |
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* Perform work as a particular {@code Subject}. |
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* |
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* <p> This method first retrieves the current Thread's |
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* {@code AccessControlContext} via |
313 |
* {@code AccessController.getContext}, |
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* and then instantiates a new {@code AccessControlContext} |
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* using the retrieved context along with a new |
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* {@code SubjectDomainCombiner} (constructed using |
317 |
* the provided {@code Subject}). |
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* Finally, this method invokes {@code AccessController.doPrivileged}, |
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* passing it the provided {@code PrivilegedAction}, |
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* as well as the newly constructed {@code AccessControlContext}. |
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* |
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* <p> |
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* |
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* @param subject the {@code Subject} that the specified |
325 |
* {@code action} will run as. This parameter |
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* may be {@code null}. <p> |
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* |
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* @param <T> the type of the value returned by the PrivilegedAction's |
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* {@code run} method. |
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* |
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* @param action the code to be run as the specified |
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* {@code Subject}. <p> |
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* |
334 |
* @return the value returned by the PrivilegedAction's |
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* {@code run} method. |
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* |
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* @exception NullPointerException if the {@code PrivilegedAction} |
338 |
* is {@code null}. <p> |
|
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* |
340 |
* @exception SecurityException if the caller does not have permission |
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* to invoke this method. |
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*/ |
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public static <T> T doAs(final Subject subject, |
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final java.security.PrivilegedAction<T> action) { |
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345 |
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java.lang.SecurityManager sm = System.getSecurityManager(); |
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if (sm != null) { |
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sm.checkPermission(AuthPermissionHolder.DO_AS_PERMISSION); |
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} |
350 |
if (action == null) |
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throw new NullPointerException |
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(ResourcesMgr.getString("invalid.null.action.provided")); |
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354 |
// set up the new Subject-based AccessControlContext |
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// for doPrivileged |
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356 |
final AccessControlContext currentAcc = AccessController.getContext(); |
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357 |
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358 |
// call doPrivileged and push this new context on the stack |
|
359 |
return java.security.AccessController.doPrivileged |
|
360 |
(action, |
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createContext(subject, currentAcc)); |
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362 |
} |
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363 |
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364 |
/** |
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* Perform work as a particular {@code Subject}. |
2 | 366 |
* |
367 |
* <p> This method first retrieves the current Thread's |
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* {@code AccessControlContext} via |
369 |
* {@code AccessController.getContext}, |
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370 |
* and then instantiates a new {@code AccessControlContext} |
|
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* using the retrieved context along with a new |
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* {@code SubjectDomainCombiner} (constructed using |
373 |
* the provided {@code Subject}). |
|
374 |
* Finally, this method invokes {@code AccessController.doPrivileged}, |
|
375 |
* passing it the provided {@code PrivilegedExceptionAction}, |
|
376 |
* as well as the newly constructed {@code AccessControlContext}. |
|
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* |
378 |
* <p> |
|
379 |
* |
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* @param subject the {@code Subject} that the specified |
381 |
* {@code action} will run as. This parameter |
|
382 |
* may be {@code null}. <p> |
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* |
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* @param <T> the type of the value returned by the |
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* PrivilegedExceptionAction's {@code run} method. |
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* |
2 | 387 |
* @param action the code to be run as the specified |
18830 | 388 |
* {@code Subject}. <p> |
2 | 389 |
* |
390 |
* @return the value returned by the |
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* PrivilegedExceptionAction's {@code run} method. |
2 | 392 |
* |
393 |
* @exception PrivilegedActionException if the |
|
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* {@code PrivilegedExceptionAction.run} |
2 | 395 |
* method throws a checked exception. <p> |
396 |
* |
|
397 |
* @exception NullPointerException if the specified |
|
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* {@code PrivilegedExceptionAction} is |
399 |
* {@code null}. <p> |
|
2 | 400 |
* |
401 |
* @exception SecurityException if the caller does not have permission |
|
402 |
* to invoke this method. |
|
403 |
*/ |
|
404 |
public static <T> T doAs(final Subject subject, |
|
405 |
final java.security.PrivilegedExceptionAction<T> action) |
|
406 |
throws java.security.PrivilegedActionException { |
|
407 |
||
408 |
java.lang.SecurityManager sm = System.getSecurityManager(); |
|
409 |
if (sm != null) { |
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410 |
sm.checkPermission(AuthPermissionHolder.DO_AS_PERMISSION); |
2 | 411 |
} |
412 |
||
413 |
if (action == null) |
|
414 |
throw new NullPointerException |
|
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|
415 |
(ResourcesMgr.getString("invalid.null.action.provided")); |
2 | 416 |
|
417 |
// set up the new Subject-based AccessControlContext for doPrivileged |
|
418 |
final AccessControlContext currentAcc = AccessController.getContext(); |
|
419 |
||
420 |
// call doPrivileged and push this new context on the stack |
|
421 |
return java.security.AccessController.doPrivileged |
|
422 |
(action, |
|
423 |
createContext(subject, currentAcc)); |
|
424 |
} |
|
425 |
||
426 |
/** |
|
18830 | 427 |
* Perform privileged work as a particular {@code Subject}. |
2 | 428 |
* |
18830 | 429 |
* <p> This method behaves exactly as {@code Subject.doAs}, |
2 | 430 |
* except that instead of retrieving the current Thread's |
18830 | 431 |
* {@code AccessControlContext}, it uses the provided |
432 |
* {@code AccessControlContext}. If the provided |
|
433 |
* {@code AccessControlContext} is {@code null}, |
|
434 |
* this method instantiates a new {@code AccessControlContext} |
|
2 | 435 |
* with an empty collection of ProtectionDomains. |
436 |
* |
|
437 |
* <p> |
|
438 |
* |
|
18830 | 439 |
* @param subject the {@code Subject} that the specified |
440 |
* {@code action} will run as. This parameter |
|
441 |
* may be {@code null}. <p> |
|
2 | 442 |
* |
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diff
changeset
|
443 |
* @param <T> the type of the value returned by the PrivilegedAction's |
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diff
changeset
|
444 |
* {@code run} method. |
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changeset
|
445 |
* |
2 | 446 |
* @param action the code to be run as the specified |
18830 | 447 |
* {@code Subject}. <p> |
2 | 448 |
* |
18830 | 449 |
* @param acc the {@code AccessControlContext} to be tied to the |
2 | 450 |
* specified <i>subject</i> and <i>action</i>. <p> |
451 |
* |
|
452 |
* @return the value returned by the PrivilegedAction's |
|
18830 | 453 |
* {@code run} method. |
2 | 454 |
* |
18830 | 455 |
* @exception NullPointerException if the {@code PrivilegedAction} |
456 |
* is {@code null}. <p> |
|
2 | 457 |
* |
458 |
* @exception SecurityException if the caller does not have permission |
|
459 |
* to invoke this method. |
|
460 |
*/ |
|
461 |
public static <T> T doAsPrivileged(final Subject subject, |
|
462 |
final java.security.PrivilegedAction<T> action, |
|
463 |
final java.security.AccessControlContext acc) { |
|
464 |
||
465 |
java.lang.SecurityManager sm = System.getSecurityManager(); |
|
466 |
if (sm != null) { |
|
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diff
changeset
|
467 |
sm.checkPermission(AuthPermissionHolder.DO_AS_PRIVILEGED_PERMISSION); |
2 | 468 |
} |
469 |
||
470 |
if (action == null) |
|
471 |
throw new NullPointerException |
|
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changeset
|
472 |
(ResourcesMgr.getString("invalid.null.action.provided")); |
2 | 473 |
|
474 |
// set up the new Subject-based AccessControlContext |
|
475 |
// for doPrivileged |
|
476 |
final AccessControlContext callerAcc = |
|
477 |
(acc == null ? |
|
478 |
new AccessControlContext(NULL_PD_ARRAY) : |
|
479 |
acc); |
|
480 |
||
481 |
// call doPrivileged and push this new context on the stack |
|
482 |
return java.security.AccessController.doPrivileged |
|
483 |
(action, |
|
484 |
createContext(subject, callerAcc)); |
|
485 |
} |
|
486 |
||
487 |
/** |
|
18830 | 488 |
* Perform privileged work as a particular {@code Subject}. |
2 | 489 |
* |
18830 | 490 |
* <p> This method behaves exactly as {@code Subject.doAs}, |
2 | 491 |
* except that instead of retrieving the current Thread's |
18830 | 492 |
* {@code AccessControlContext}, it uses the provided |
493 |
* {@code AccessControlContext}. If the provided |
|
494 |
* {@code AccessControlContext} is {@code null}, |
|
495 |
* this method instantiates a new {@code AccessControlContext} |
|
2 | 496 |
* with an empty collection of ProtectionDomains. |
497 |
* |
|
498 |
* <p> |
|
499 |
* |
|
18830 | 500 |
* @param subject the {@code Subject} that the specified |
501 |
* {@code action} will run as. This parameter |
|
502 |
* may be {@code null}. <p> |
|
2 | 503 |
* |
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diff
changeset
|
504 |
* @param <T> the type of the value returned by the |
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juh
parents:
14342
diff
changeset
|
505 |
* PrivilegedExceptionAction's {@code run} method. |
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diff
changeset
|
506 |
* |
2 | 507 |
* @param action the code to be run as the specified |
18830 | 508 |
* {@code Subject}. <p> |
2 | 509 |
* |
18830 | 510 |
* @param acc the {@code AccessControlContext} to be tied to the |
2 | 511 |
* specified <i>subject</i> and <i>action</i>. <p> |
512 |
* |
|
513 |
* @return the value returned by the |
|
18830 | 514 |
* PrivilegedExceptionAction's {@code run} method. |
2 | 515 |
* |
516 |
* @exception PrivilegedActionException if the |
|
18830 | 517 |
* {@code PrivilegedExceptionAction.run} |
2 | 518 |
* method throws a checked exception. <p> |
519 |
* |
|
520 |
* @exception NullPointerException if the specified |
|
18830 | 521 |
* {@code PrivilegedExceptionAction} is |
522 |
* {@code null}. <p> |
|
2 | 523 |
* |
524 |
* @exception SecurityException if the caller does not have permission |
|
525 |
* to invoke this method. |
|
526 |
*/ |
|
527 |
public static <T> T doAsPrivileged(final Subject subject, |
|
528 |
final java.security.PrivilegedExceptionAction<T> action, |
|
529 |
final java.security.AccessControlContext acc) |
|
530 |
throws java.security.PrivilegedActionException { |
|
531 |
||
532 |
java.lang.SecurityManager sm = System.getSecurityManager(); |
|
533 |
if (sm != null) { |
|
4331
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
534 |
sm.checkPermission(AuthPermissionHolder.DO_AS_PRIVILEGED_PERMISSION); |
2 | 535 |
} |
536 |
||
537 |
if (action == null) |
|
538 |
throw new NullPointerException |
|
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4afb81e50183
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parents:
5506
diff
changeset
|
539 |
(ResourcesMgr.getString("invalid.null.action.provided")); |
2 | 540 |
|
541 |
// set up the new Subject-based AccessControlContext for doPrivileged |
|
542 |
final AccessControlContext callerAcc = |
|
543 |
(acc == null ? |
|
544 |
new AccessControlContext(NULL_PD_ARRAY) : |
|
545 |
acc); |
|
546 |
||
547 |
// call doPrivileged and push this new context on the stack |
|
548 |
return java.security.AccessController.doPrivileged |
|
549 |
(action, |
|
550 |
createContext(subject, callerAcc)); |
|
551 |
} |
|
552 |
||
553 |
private static AccessControlContext createContext(final Subject subject, |
|
554 |
final AccessControlContext acc) { |
|
555 |
||
556 |
||
557 |
return java.security.AccessController.doPrivileged |
|
558 |
(new java.security.PrivilegedAction<AccessControlContext>() { |
|
559 |
public AccessControlContext run() { |
|
560 |
if (subject == null) |
|
561 |
return new AccessControlContext(acc, null); |
|
562 |
else |
|
563 |
return new AccessControlContext |
|
564 |
(acc, |
|
565 |
new SubjectDomainCombiner(subject)); |
|
566 |
} |
|
567 |
}); |
|
568 |
} |
|
569 |
||
570 |
/** |
|
18830 | 571 |
* Return the {@code Set} of Principals associated with this |
572 |
* {@code Subject}. Each {@code Principal} represents |
|
573 |
* an identity for this {@code Subject}. |
|
2 | 574 |
* |
18830 | 575 |
* <p> The returned {@code Set} is backed by this Subject's |
576 |
* internal {@code Principal} {@code Set}. Any modification |
|
577 |
* to the returned {@code Set} affects the internal |
|
578 |
* {@code Principal} {@code Set} as well. |
|
2 | 579 |
* |
580 |
* <p> |
|
581 |
* |
|
18830 | 582 |
* @return The {@code Set} of Principals associated with this |
583 |
* {@code Subject}. |
|
2 | 584 |
*/ |
585 |
public Set<Principal> getPrincipals() { |
|
586 |
||
587 |
// always return an empty Set instead of null |
|
588 |
// so LoginModules can add to the Set if necessary |
|
589 |
return principals; |
|
590 |
} |
|
591 |
||
592 |
/** |
|
18830 | 593 |
* Return a {@code Set} of Principals associated with this |
594 |
* {@code Subject} that are instances or subclasses of the specified |
|
595 |
* {@code Class}. |
|
2 | 596 |
* |
18830 | 597 |
* <p> The returned {@code Set} is not backed by this Subject's |
598 |
* internal {@code Principal} {@code Set}. A new |
|
599 |
* {@code Set} is created and returned for each method invocation. |
|
600 |
* Modifications to the returned {@code Set} |
|
601 |
* will not affect the internal {@code Principal} {@code Set}. |
|
2 | 602 |
* |
603 |
* <p> |
|
604 |
* |
|
18771
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parents:
14342
diff
changeset
|
605 |
* @param <T> the type of the class modeled by {@code c} |
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parents:
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diff
changeset
|
606 |
* |
18830 | 607 |
* @param c the returned {@code Set} of Principals will all be |
2 | 608 |
* instances of this class. |
609 |
* |
|
18830 | 610 |
* @return a {@code Set} of Principals that are instances of the |
611 |
* specified {@code Class}. |
|
2 | 612 |
* |
18830 | 613 |
* @exception NullPointerException if the specified {@code Class} |
614 |
* is {@code null}. |
|
2 | 615 |
*/ |
616 |
public <T extends Principal> Set<T> getPrincipals(Class<T> c) { |
|
617 |
||
618 |
if (c == null) |
|
619 |
throw new NullPointerException |
|
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weijun
parents:
5506
diff
changeset
|
620 |
(ResourcesMgr.getString("invalid.null.Class.provided")); |
2 | 621 |
|
622 |
// always return an empty Set instead of null |
|
623 |
// so LoginModules can add to the Set if necessary |
|
624 |
return new ClassSet<T>(PRINCIPAL_SET, c); |
|
625 |
} |
|
626 |
||
627 |
/** |
|
18830 | 628 |
* Return the {@code Set} of public credentials held by this |
629 |
* {@code Subject}. |
|
2 | 630 |
* |
18830 | 631 |
* <p> The returned {@code Set} is backed by this Subject's |
632 |
* internal public Credential {@code Set}. Any modification |
|
633 |
* to the returned {@code Set} affects the internal public |
|
634 |
* Credential {@code Set} as well. |
|
2 | 635 |
* |
636 |
* <p> |
|
637 |
* |
|
18830 | 638 |
* @return A {@code Set} of public credentials held by this |
639 |
* {@code Subject}. |
|
2 | 640 |
*/ |
641 |
public Set<Object> getPublicCredentials() { |
|
642 |
||
643 |
// always return an empty Set instead of null |
|
644 |
// so LoginModules can add to the Set if necessary |
|
645 |
return pubCredentials; |
|
646 |
} |
|
647 |
||
648 |
/** |
|
18830 | 649 |
* Return the {@code Set} of private credentials held by this |
650 |
* {@code Subject}. |
|
2 | 651 |
* |
18830 | 652 |
* <p> The returned {@code Set} is backed by this Subject's |
653 |
* internal private Credential {@code Set}. Any modification |
|
654 |
* to the returned {@code Set} affects the internal private |
|
655 |
* Credential {@code Set} as well. |
|
2 | 656 |
* |
657 |
* <p> A caller requires permissions to access the Credentials |
|
18830 | 658 |
* in the returned {@code Set}, or to modify the |
659 |
* {@code Set} itself. A {@code SecurityException} |
|
2 | 660 |
* is thrown if the caller does not have the proper permissions. |
661 |
* |
|
18830 | 662 |
* <p> While iterating through the {@code Set}, |
663 |
* a {@code SecurityException} is thrown |
|
2 | 664 |
* if the caller does not have permission to access a |
18830 | 665 |
* particular Credential. The {@code Iterator} |
666 |
* is nevertheless advanced to next element in the {@code Set}. |
|
2 | 667 |
* |
668 |
* <p> |
|
669 |
* |
|
18830 | 670 |
* @return A {@code Set} of private credentials held by this |
671 |
* {@code Subject}. |
|
2 | 672 |
*/ |
673 |
public Set<Object> getPrivateCredentials() { |
|
674 |
||
675 |
// XXX |
|
676 |
// we do not need a security check for |
|
677 |
// AuthPermission(getPrivateCredentials) |
|
678 |
// because we already restrict access to private credentials |
|
679 |
// via the PrivateCredentialPermission. all the extra AuthPermission |
|
680 |
// would do is protect the set operations themselves |
|
681 |
// (like size()), which don't seem security-sensitive. |
|
682 |
||
683 |
// always return an empty Set instead of null |
|
684 |
// so LoginModules can add to the Set if necessary |
|
685 |
return privCredentials; |
|
686 |
} |
|
687 |
||
688 |
/** |
|
18830 | 689 |
* Return a {@code Set} of public credentials associated with this |
690 |
* {@code Subject} that are instances or subclasses of the specified |
|
691 |
* {@code Class}. |
|
2 | 692 |
* |
18830 | 693 |
* <p> The returned {@code Set} is not backed by this Subject's |
694 |
* internal public Credential {@code Set}. A new |
|
695 |
* {@code Set} is created and returned for each method invocation. |
|
696 |
* Modifications to the returned {@code Set} |
|
697 |
* will not affect the internal public Credential {@code Set}. |
|
2 | 698 |
* |
699 |
* <p> |
|
700 |
* |
|
18771
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8019772: Fix doclint issues in javax.crypto and javax.security subpackages
juh
parents:
14342
diff
changeset
|
701 |
* @param <T> the type of the class modeled by {@code c} |
9dadb0719cea
8019772: Fix doclint issues in javax.crypto and javax.security subpackages
juh
parents:
14342
diff
changeset
|
702 |
* |
18830 | 703 |
* @param c the returned {@code Set} of public credentials will all be |
2 | 704 |
* instances of this class. |
705 |
* |
|
18830 | 706 |
* @return a {@code Set} of public credentials that are instances |
707 |
* of the specified {@code Class}. |
|
2 | 708 |
* |
18830 | 709 |
* @exception NullPointerException if the specified {@code Class} |
710 |
* is {@code null}. |
|
2 | 711 |
*/ |
712 |
public <T> Set<T> getPublicCredentials(Class<T> c) { |
|
713 |
||
714 |
if (c == null) |
|
715 |
throw new NullPointerException |
|
7179
4afb81e50183
6987827: security/util/Resources.java needs improvement
weijun
parents:
5506
diff
changeset
|
716 |
(ResourcesMgr.getString("invalid.null.Class.provided")); |
2 | 717 |
|
718 |
// always return an empty Set instead of null |
|
719 |
// so LoginModules can add to the Set if necessary |
|
720 |
return new ClassSet<T>(PUB_CREDENTIAL_SET, c); |
|
721 |
} |
|
722 |
||
723 |
/** |
|
18830 | 724 |
* Return a {@code Set} of private credentials associated with this |
725 |
* {@code Subject} that are instances or subclasses of the specified |
|
726 |
* {@code Class}. |
|
2 | 727 |
* |
728 |
* <p> The caller must have permission to access all of the |
|
18830 | 729 |
* requested Credentials, or a {@code SecurityException} |
2 | 730 |
* will be thrown. |
731 |
* |
|
18830 | 732 |
* <p> The returned {@code Set} is not backed by this Subject's |
733 |
* internal private Credential {@code Set}. A new |
|
734 |
* {@code Set} is created and returned for each method invocation. |
|
735 |
* Modifications to the returned {@code Set} |
|
736 |
* will not affect the internal private Credential {@code Set}. |
|
2 | 737 |
* |
738 |
* <p> |
|
739 |
* |
|
18771
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8019772: Fix doclint issues in javax.crypto and javax.security subpackages
juh
parents:
14342
diff
changeset
|
740 |
* @param <T> the type of the class modeled by {@code c} |
9dadb0719cea
8019772: Fix doclint issues in javax.crypto and javax.security subpackages
juh
parents:
14342
diff
changeset
|
741 |
* |
18830 | 742 |
* @param c the returned {@code Set} of private credentials will all be |
2 | 743 |
* instances of this class. |
744 |
* |
|
18830 | 745 |
* @return a {@code Set} of private credentials that are instances |
746 |
* of the specified {@code Class}. |
|
2 | 747 |
* |
18830 | 748 |
* @exception NullPointerException if the specified {@code Class} |
749 |
* is {@code null}. |
|
2 | 750 |
*/ |
751 |
public <T> Set<T> getPrivateCredentials(Class<T> c) { |
|
752 |
||
753 |
// XXX |
|
754 |
// we do not need a security check for |
|
755 |
// AuthPermission(getPrivateCredentials) |
|
756 |
// because we already restrict access to private credentials |
|
757 |
// via the PrivateCredentialPermission. all the extra AuthPermission |
|
758 |
// would do is protect the set operations themselves |
|
759 |
// (like size()), which don't seem security-sensitive. |
|
760 |
||
761 |
if (c == null) |
|
762 |
throw new NullPointerException |
|
7179
4afb81e50183
6987827: security/util/Resources.java needs improvement
weijun
parents:
5506
diff
changeset
|
763 |
(ResourcesMgr.getString("invalid.null.Class.provided")); |
2 | 764 |
|
765 |
// always return an empty Set instead of null |
|
766 |
// so LoginModules can add to the Set if necessary |
|
767 |
return new ClassSet<T>(PRIV_CREDENTIAL_SET, c); |
|
768 |
} |
|
769 |
||
770 |
/** |
|
18830 | 771 |
* Compares the specified Object with this {@code Subject} |
2 | 772 |
* for equality. Returns true if the given object is also a Subject |
18830 | 773 |
* and the two {@code Subject} instances are equivalent. |
774 |
* More formally, two {@code Subject} instances are |
|
775 |
* equal if their {@code Principal} and {@code Credential} |
|
2 | 776 |
* Sets are equal. |
777 |
* |
|
778 |
* <p> |
|
779 |
* |
|
780 |
* @param o Object to be compared for equality with this |
|
18830 | 781 |
* {@code Subject}. |
2 | 782 |
* |
783 |
* @return true if the specified Object is equal to this |
|
18830 | 784 |
* {@code Subject}. |
2 | 785 |
* |
786 |
* @exception SecurityException if the caller does not have permission |
|
18830 | 787 |
* to access the private credentials for this {@code Subject}, |
2 | 788 |
* or if the caller does not have permission to access the |
18830 | 789 |
* private credentials for the provided {@code Subject}. |
2 | 790 |
*/ |
791 |
public boolean equals(Object o) { |
|
792 |
||
793 |
if (o == null) |
|
794 |
return false; |
|
795 |
||
796 |
if (this == o) |
|
797 |
return true; |
|
798 |
||
799 |
if (o instanceof Subject) { |
|
800 |
||
801 |
final Subject that = (Subject)o; |
|
802 |
||
803 |
// check the principal and credential sets |
|
804 |
Set<Principal> thatPrincipals; |
|
805 |
synchronized(that.principals) { |
|
806 |
// avoid deadlock from dual locks |
|
807 |
thatPrincipals = new HashSet<Principal>(that.principals); |
|
808 |
} |
|
809 |
if (!principals.equals(thatPrincipals)) { |
|
810 |
return false; |
|
811 |
} |
|
812 |
||
813 |
Set<Object> thatPubCredentials; |
|
814 |
synchronized(that.pubCredentials) { |
|
815 |
// avoid deadlock from dual locks |
|
816 |
thatPubCredentials = new HashSet<Object>(that.pubCredentials); |
|
817 |
} |
|
818 |
if (!pubCredentials.equals(thatPubCredentials)) { |
|
819 |
return false; |
|
820 |
} |
|
821 |
||
822 |
Set<Object> thatPrivCredentials; |
|
823 |
synchronized(that.privCredentials) { |
|
824 |
// avoid deadlock from dual locks |
|
825 |
thatPrivCredentials = new HashSet<Object>(that.privCredentials); |
|
826 |
} |
|
827 |
if (!privCredentials.equals(thatPrivCredentials)) { |
|
828 |
return false; |
|
829 |
} |
|
830 |
return true; |
|
831 |
} |
|
832 |
return false; |
|
833 |
} |
|
834 |
||
835 |
/** |
|
18830 | 836 |
* Return the String representation of this {@code Subject}. |
2 | 837 |
* |
838 |
* <p> |
|
839 |
* |
|
18830 | 840 |
* @return the String representation of this {@code Subject}. |
2 | 841 |
*/ |
842 |
public String toString() { |
|
843 |
return toString(true); |
|
844 |
} |
|
845 |
||
846 |
/** |
|
847 |
* package private convenience method to print out the Subject |
|
848 |
* without firing off a security check when trying to access |
|
849 |
* the Private Credentials |
|
850 |
*/ |
|
851 |
String toString(boolean includePrivateCredentials) { |
|
852 |
||
7179
4afb81e50183
6987827: security/util/Resources.java needs improvement
weijun
parents:
5506
diff
changeset
|
853 |
String s = ResourcesMgr.getString("Subject."); |
2 | 854 |
String suffix = ""; |
855 |
||
856 |
synchronized(principals) { |
|
857 |
Iterator<Principal> pI = principals.iterator(); |
|
858 |
while (pI.hasNext()) { |
|
859 |
Principal p = pI.next(); |
|
7179
4afb81e50183
6987827: security/util/Resources.java needs improvement
weijun
parents:
5506
diff
changeset
|
860 |
suffix = suffix + ResourcesMgr.getString(".Principal.") + |
4afb81e50183
6987827: security/util/Resources.java needs improvement
weijun
parents:
5506
diff
changeset
|
861 |
p.toString() + ResourcesMgr.getString("NEWLINE"); |
2 | 862 |
} |
863 |
} |
|
864 |
||
865 |
synchronized(pubCredentials) { |
|
866 |
Iterator<Object> pI = pubCredentials.iterator(); |
|
867 |
while (pI.hasNext()) { |
|
868 |
Object o = pI.next(); |
|
869 |
suffix = suffix + |
|
7179
4afb81e50183
6987827: security/util/Resources.java needs improvement
weijun
parents:
5506
diff
changeset
|
870 |
ResourcesMgr.getString(".Public.Credential.") + |
4afb81e50183
6987827: security/util/Resources.java needs improvement
weijun
parents:
5506
diff
changeset
|
871 |
o.toString() + ResourcesMgr.getString("NEWLINE"); |
2 | 872 |
} |
873 |
} |
|
874 |
||
875 |
if (includePrivateCredentials) { |
|
876 |
synchronized(privCredentials) { |
|
877 |
Iterator<Object> pI = privCredentials.iterator(); |
|
878 |
while (pI.hasNext()) { |
|
879 |
try { |
|
880 |
Object o = pI.next(); |
|
881 |
suffix += ResourcesMgr.getString |
|
7179
4afb81e50183
6987827: security/util/Resources.java needs improvement
weijun
parents:
5506
diff
changeset
|
882 |
(".Private.Credential.") + |
2 | 883 |
o.toString() + |
7179
4afb81e50183
6987827: security/util/Resources.java needs improvement
weijun
parents:
5506
diff
changeset
|
884 |
ResourcesMgr.getString("NEWLINE"); |
2 | 885 |
} catch (SecurityException se) { |
886 |
suffix += ResourcesMgr.getString |
|
7179
4afb81e50183
6987827: security/util/Resources.java needs improvement
weijun
parents:
5506
diff
changeset
|
887 |
(".Private.Credential.inaccessible."); |
2 | 888 |
break; |
889 |
} |
|
890 |
} |
|
891 |
} |
|
892 |
} |
|
893 |
return s + suffix; |
|
894 |
} |
|
895 |
||
896 |
/** |
|
18830 | 897 |
* Returns a hashcode for this {@code Subject}. |
2 | 898 |
* |
899 |
* <p> |
|
900 |
* |
|
18830 | 901 |
* @return a hashcode for this {@code Subject}. |
2 | 902 |
* |
903 |
* @exception SecurityException if the caller does not have permission |
|
904 |
* to access this Subject's private credentials. |
|
905 |
*/ |
|
906 |
public int hashCode() { |
|
907 |
||
908 |
/** |
|
909 |
* The hashcode is derived exclusive or-ing the |
|
910 |
* hashcodes of this Subject's Principals and credentials. |
|
911 |
* |
|
912 |
* If a particular credential was destroyed |
|
18830 | 913 |
* ({@code credential.hashCode()} throws an |
914 |
* {@code IllegalStateException}), |
|
2 | 915 |
* the hashcode for that credential is derived via: |
18830 | 916 |
* {@code credential.getClass().toString().hashCode()}. |
2 | 917 |
*/ |
918 |
||
919 |
int hashCode = 0; |
|
920 |
||
921 |
synchronized(principals) { |
|
922 |
Iterator<Principal> pIterator = principals.iterator(); |
|
923 |
while (pIterator.hasNext()) { |
|
924 |
Principal p = pIterator.next(); |
|
925 |
hashCode ^= p.hashCode(); |
|
926 |
} |
|
927 |
} |
|
928 |
||
929 |
synchronized(pubCredentials) { |
|
930 |
Iterator<Object> pubCIterator = pubCredentials.iterator(); |
|
931 |
while (pubCIterator.hasNext()) { |
|
932 |
hashCode ^= getCredHashCode(pubCIterator.next()); |
|
933 |
} |
|
934 |
} |
|
935 |
return hashCode; |
|
936 |
} |
|
937 |
||
938 |
/** |
|
939 |
* get a credential's hashcode |
|
940 |
*/ |
|
941 |
private int getCredHashCode(Object o) { |
|
942 |
try { |
|
943 |
return o.hashCode(); |
|
944 |
} catch (IllegalStateException ise) { |
|
945 |
return o.getClass().toString().hashCode(); |
|
946 |
} |
|
947 |
} |
|
948 |
||
949 |
/** |
|
950 |
* Writes this object out to a stream (i.e., serializes it). |
|
951 |
*/ |
|
952 |
private void writeObject(java.io.ObjectOutputStream oos) |
|
953 |
throws java.io.IOException { |
|
954 |
synchronized(principals) { |
|
955 |
oos.defaultWriteObject(); |
|
956 |
} |
|
957 |
} |
|
958 |
||
959 |
/** |
|
960 |
* Reads this object from a stream (i.e., deserializes it) |
|
961 |
*/ |
|
23913
049a0df69b88
8030655: Regression: 14_01 Security fix 8024306 causes test failures
weijun
parents:
22317
diff
changeset
|
962 |
@SuppressWarnings("unchecked") |
2 | 963 |
private void readObject(java.io.ObjectInputStream s) |
964 |
throws java.io.IOException, ClassNotFoundException { |
|
965 |
||
23913
049a0df69b88
8030655: Regression: 14_01 Security fix 8024306 causes test failures
weijun
parents:
22317
diff
changeset
|
966 |
ObjectInputStream.GetField gf = s.readFields(); |
049a0df69b88
8030655: Regression: 14_01 Security fix 8024306 causes test failures
weijun
parents:
22317
diff
changeset
|
967 |
|
049a0df69b88
8030655: Regression: 14_01 Security fix 8024306 causes test failures
weijun
parents:
22317
diff
changeset
|
968 |
readOnly = gf.get("readOnly", false); |
049a0df69b88
8030655: Regression: 14_01 Security fix 8024306 causes test failures
weijun
parents:
22317
diff
changeset
|
969 |
|
049a0df69b88
8030655: Regression: 14_01 Security fix 8024306 causes test failures
weijun
parents:
22317
diff
changeset
|
970 |
Set<Principal> inputPrincs = (Set<Principal>)gf.get("principals", null); |
2 | 971 |
|
22310 | 972 |
// Rewrap the principals into a SecureSet |
23913
049a0df69b88
8030655: Regression: 14_01 Security fix 8024306 causes test failures
weijun
parents:
22317
diff
changeset
|
973 |
if (inputPrincs == null) { |
049a0df69b88
8030655: Regression: 14_01 Security fix 8024306 causes test failures
weijun
parents:
22317
diff
changeset
|
974 |
throw new NullPointerException |
049a0df69b88
8030655: Regression: 14_01 Security fix 8024306 causes test failures
weijun
parents:
22317
diff
changeset
|
975 |
(ResourcesMgr.getString("invalid.null.input.s.")); |
049a0df69b88
8030655: Regression: 14_01 Security fix 8024306 causes test failures
weijun
parents:
22317
diff
changeset
|
976 |
} |
049a0df69b88
8030655: Regression: 14_01 Security fix 8024306 causes test failures
weijun
parents:
22317
diff
changeset
|
977 |
try { |
049a0df69b88
8030655: Regression: 14_01 Security fix 8024306 causes test failures
weijun
parents:
22317
diff
changeset
|
978 |
principals = Collections.synchronizedSet(new SecureSet<Principal> |
049a0df69b88
8030655: Regression: 14_01 Security fix 8024306 causes test failures
weijun
parents:
22317
diff
changeset
|
979 |
(this, PRINCIPAL_SET, inputPrincs)); |
049a0df69b88
8030655: Regression: 14_01 Security fix 8024306 causes test failures
weijun
parents:
22317
diff
changeset
|
980 |
} catch (NullPointerException npe) { |
049a0df69b88
8030655: Regression: 14_01 Security fix 8024306 causes test failures
weijun
parents:
22317
diff
changeset
|
981 |
// Sometimes people deserialize the principals set only. |
049a0df69b88
8030655: Regression: 14_01 Security fix 8024306 causes test failures
weijun
parents:
22317
diff
changeset
|
982 |
// Subject is not accessible, so just don't fail. |
049a0df69b88
8030655: Regression: 14_01 Security fix 8024306 causes test failures
weijun
parents:
22317
diff
changeset
|
983 |
principals = Collections.synchronizedSet |
049a0df69b88
8030655: Regression: 14_01 Security fix 8024306 causes test failures
weijun
parents:
22317
diff
changeset
|
984 |
(new SecureSet<Principal>(this, PRINCIPAL_SET)); |
049a0df69b88
8030655: Regression: 14_01 Security fix 8024306 causes test failures
weijun
parents:
22317
diff
changeset
|
985 |
} |
22310 | 986 |
|
18830 | 987 |
// The Credential {@code Set} is not serialized, but we do not |
2 | 988 |
// want the default deserialization routine to set it to null. |
989 |
this.pubCredentials = Collections.synchronizedSet |
|
990 |
(new SecureSet<Object>(this, PUB_CREDENTIAL_SET)); |
|
991 |
this.privCredentials = Collections.synchronizedSet |
|
992 |
(new SecureSet<Object>(this, PRIV_CREDENTIAL_SET)); |
|
993 |
} |
|
994 |
||
995 |
/** |
|
996 |
* Prevent modifications unless caller has permission. |
|
997 |
* |
|
998 |
* @serial include |
|
999 |
*/ |
|
1000 |
private static class SecureSet<E> |
|
1001 |
extends AbstractSet<E> |
|
1002 |
implements java.io.Serializable { |
|
1003 |
||
1004 |
private static final long serialVersionUID = 7911754171111800359L; |
|
1005 |
||
1006 |
/** |
|
1007 |
* @serialField this$0 Subject The outer Subject instance. |
|
1008 |
* @serialField elements LinkedList The elements in this set. |
|
1009 |
*/ |
|
1010 |
private static final ObjectStreamField[] serialPersistentFields = { |
|
1011 |
new ObjectStreamField("this$0", Subject.class), |
|
1012 |
new ObjectStreamField("elements", LinkedList.class), |
|
1013 |
new ObjectStreamField("which", int.class) |
|
1014 |
}; |
|
1015 |
||
1016 |
Subject subject; |
|
1017 |
LinkedList<E> elements; |
|
1018 |
||
1019 |
/** |
|
1020 |
* @serial An integer identifying the type of objects contained |
|
18830 | 1021 |
* in this set. If {@code which == 1}, |
2 | 1022 |
* this is a Principal set and all the elements are |
18830 | 1023 |
* of type {@code java.security.Principal}. |
1024 |
* If {@code which == 2}, this is a public credential |
|
1025 |
* set and all the elements are of type {@code Object}. |
|
1026 |
* If {@code which == 3}, this is a private credential |
|
1027 |
* set and all the elements are of type {@code Object}. |
|
2 | 1028 |
*/ |
1029 |
private int which; |
|
1030 |
||
1031 |
SecureSet(Subject subject, int which) { |
|
1032 |
this.subject = subject; |
|
1033 |
this.which = which; |
|
1034 |
this.elements = new LinkedList<E>(); |
|
1035 |
} |
|
1036 |
||
1037 |
SecureSet(Subject subject, int which, Set<? extends E> set) { |
|
1038 |
this.subject = subject; |
|
1039 |
this.which = which; |
|
1040 |
this.elements = new LinkedList<E>(set); |
|
1041 |
} |
|
1042 |
||
1043 |
public int size() { |
|
1044 |
return elements.size(); |
|
1045 |
} |
|
1046 |
||
1047 |
public Iterator<E> iterator() { |
|
1048 |
final LinkedList<E> list = elements; |
|
1049 |
return new Iterator<E>() { |
|
1050 |
ListIterator<E> i = list.listIterator(0); |
|
1051 |
||
1052 |
public boolean hasNext() {return i.hasNext();} |
|
1053 |
||
1054 |
public E next() { |
|
1055 |
if (which != Subject.PRIV_CREDENTIAL_SET) { |
|
1056 |
return i.next(); |
|
1057 |
} |
|
1058 |
||
1059 |
SecurityManager sm = System.getSecurityManager(); |
|
1060 |
if (sm != null) { |
|
1061 |
try { |
|
1062 |
sm.checkPermission(new PrivateCredentialPermission |
|
1063 |
(list.get(i.nextIndex()).getClass().getName(), |
|
1064 |
subject.getPrincipals())); |
|
1065 |
} catch (SecurityException se) { |
|
1066 |
i.next(); |
|
1067 |
throw (se); |
|
1068 |
} |
|
1069 |
} |
|
1070 |
return i.next(); |
|
1071 |
} |
|
1072 |
||
1073 |
public void remove() { |
|
1074 |
||
1075 |
if (subject.isReadOnly()) { |
|
1076 |
throw new IllegalStateException(ResourcesMgr.getString |
|
7179
4afb81e50183
6987827: security/util/Resources.java needs improvement
weijun
parents:
5506
diff
changeset
|
1077 |
("Subject.is.read.only")); |
2 | 1078 |
} |
1079 |
||
1080 |
java.lang.SecurityManager sm = System.getSecurityManager(); |
|
1081 |
if (sm != null) { |
|
1082 |
switch (which) { |
|
1083 |
case Subject.PRINCIPAL_SET: |
|
4331
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1084 |
sm.checkPermission(AuthPermissionHolder.MODIFY_PRINCIPALS_PERMISSION); |
2 | 1085 |
break; |
1086 |
case Subject.PUB_CREDENTIAL_SET: |
|
4331
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1087 |
sm.checkPermission(AuthPermissionHolder.MODIFY_PUBLIC_CREDENTIALS_PERMISSION); |
2 | 1088 |
break; |
1089 |
default: |
|
4331
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1090 |
sm.checkPermission(AuthPermissionHolder.MODIFY_PRIVATE_CREDENTIALS_PERMISSION); |
2 | 1091 |
break; |
1092 |
} |
|
1093 |
} |
|
1094 |
i.remove(); |
|
1095 |
} |
|
1096 |
}; |
|
1097 |
} |
|
1098 |
||
1099 |
public boolean add(E o) { |
|
1100 |
||
1101 |
if (subject.isReadOnly()) { |
|
1102 |
throw new IllegalStateException |
|
7179
4afb81e50183
6987827: security/util/Resources.java needs improvement
weijun
parents:
5506
diff
changeset
|
1103 |
(ResourcesMgr.getString("Subject.is.read.only")); |
2 | 1104 |
} |
1105 |
||
1106 |
java.lang.SecurityManager sm = System.getSecurityManager(); |
|
1107 |
if (sm != null) { |
|
1108 |
switch (which) { |
|
1109 |
case Subject.PRINCIPAL_SET: |
|
4331
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1110 |
sm.checkPermission(AuthPermissionHolder.MODIFY_PRINCIPALS_PERMISSION); |
2 | 1111 |
break; |
1112 |
case Subject.PUB_CREDENTIAL_SET: |
|
4331
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1113 |
sm.checkPermission(AuthPermissionHolder.MODIFY_PUBLIC_CREDENTIALS_PERMISSION); |
2 | 1114 |
break; |
1115 |
default: |
|
4331
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1116 |
sm.checkPermission(AuthPermissionHolder.MODIFY_PRIVATE_CREDENTIALS_PERMISSION); |
2 | 1117 |
break; |
1118 |
} |
|
1119 |
} |
|
1120 |
||
1121 |
switch (which) { |
|
1122 |
case Subject.PRINCIPAL_SET: |
|
1123 |
if (!(o instanceof Principal)) { |
|
1124 |
throw new SecurityException(ResourcesMgr.getString |
|
7179
4afb81e50183
6987827: security/util/Resources.java needs improvement
weijun
parents:
5506
diff
changeset
|
1125 |
("attempting.to.add.an.object.which.is.not.an.instance.of.java.security.Principal.to.a.Subject.s.Principal.Set")); |
2 | 1126 |
} |
1127 |
break; |
|
1128 |
default: |
|
1129 |
// ok to add Objects of any kind to credential sets |
|
1130 |
break; |
|
1131 |
} |
|
1132 |
||
1133 |
// check for duplicates |
|
1134 |
if (!elements.contains(o)) |
|
1135 |
return elements.add(o); |
|
1136 |
else |
|
1137 |
return false; |
|
1138 |
} |
|
1139 |
||
1140 |
public boolean remove(Object o) { |
|
1141 |
||
1142 |
final Iterator<E> e = iterator(); |
|
1143 |
while (e.hasNext()) { |
|
1144 |
E next; |
|
1145 |
if (which != Subject.PRIV_CREDENTIAL_SET) { |
|
1146 |
next = e.next(); |
|
1147 |
} else { |
|
1148 |
next = java.security.AccessController.doPrivileged |
|
1149 |
(new java.security.PrivilegedAction<E>() { |
|
1150 |
public E run() { |
|
1151 |
return e.next(); |
|
1152 |
} |
|
1153 |
}); |
|
1154 |
} |
|
1155 |
||
1156 |
if (next == null) { |
|
1157 |
if (o == null) { |
|
1158 |
e.remove(); |
|
1159 |
return true; |
|
1160 |
} |
|
1161 |
} else if (next.equals(o)) { |
|
1162 |
e.remove(); |
|
1163 |
return true; |
|
1164 |
} |
|
1165 |
} |
|
1166 |
return false; |
|
1167 |
} |
|
1168 |
||
1169 |
public boolean contains(Object o) { |
|
1170 |
final Iterator<E> e = iterator(); |
|
1171 |
while (e.hasNext()) { |
|
1172 |
E next; |
|
1173 |
if (which != Subject.PRIV_CREDENTIAL_SET) { |
|
1174 |
next = e.next(); |
|
1175 |
} else { |
|
1176 |
||
1177 |
// For private credentials: |
|
1178 |
// If the caller does not have read permission for |
|
1179 |
// for o.getClass(), we throw a SecurityException. |
|
1180 |
// Otherwise we check the private cred set to see whether |
|
1181 |
// it contains the Object |
|
1182 |
||
1183 |
SecurityManager sm = System.getSecurityManager(); |
|
1184 |
if (sm != null) { |
|
1185 |
sm.checkPermission(new PrivateCredentialPermission |
|
1186 |
(o.getClass().getName(), |
|
1187 |
subject.getPrincipals())); |
|
1188 |
} |
|
1189 |
next = java.security.AccessController.doPrivileged |
|
1190 |
(new java.security.PrivilegedAction<E>() { |
|
1191 |
public E run() { |
|
1192 |
return e.next(); |
|
1193 |
} |
|
1194 |
}); |
|
1195 |
} |
|
1196 |
||
1197 |
if (next == null) { |
|
1198 |
if (o == null) { |
|
1199 |
return true; |
|
1200 |
} |
|
1201 |
} else if (next.equals(o)) { |
|
1202 |
return true; |
|
1203 |
} |
|
1204 |
} |
|
1205 |
return false; |
|
1206 |
} |
|
1207 |
||
1208 |
public boolean removeAll(Collection<?> c) { |
|
19855 | 1209 |
Objects.requireNonNull(c); |
2 | 1210 |
boolean modified = false; |
1211 |
final Iterator<E> e = iterator(); |
|
1212 |
while (e.hasNext()) { |
|
1213 |
E next; |
|
1214 |
if (which != Subject.PRIV_CREDENTIAL_SET) { |
|
1215 |
next = e.next(); |
|
1216 |
} else { |
|
1217 |
next = java.security.AccessController.doPrivileged |
|
1218 |
(new java.security.PrivilegedAction<E>() { |
|
1219 |
public E run() { |
|
1220 |
return e.next(); |
|
1221 |
} |
|
1222 |
}); |
|
1223 |
} |
|
1224 |
||
1225 |
Iterator<?> ce = c.iterator(); |
|
1226 |
while (ce.hasNext()) { |
|
1227 |
Object o = ce.next(); |
|
1228 |
if (next == null) { |
|
1229 |
if (o == null) { |
|
1230 |
e.remove(); |
|
1231 |
modified = true; |
|
1232 |
break; |
|
1233 |
} |
|
1234 |
} else if (next.equals(o)) { |
|
1235 |
e.remove(); |
|
1236 |
modified = true; |
|
1237 |
break; |
|
1238 |
} |
|
1239 |
} |
|
1240 |
} |
|
1241 |
return modified; |
|
1242 |
} |
|
1243 |
||
1244 |
public boolean retainAll(Collection<?> c) { |
|
19855 | 1245 |
Objects.requireNonNull(c); |
2 | 1246 |
boolean modified = false; |
1247 |
boolean retain = false; |
|
1248 |
final Iterator<E> e = iterator(); |
|
1249 |
while (e.hasNext()) { |
|
1250 |
retain = false; |
|
1251 |
E next; |
|
1252 |
if (which != Subject.PRIV_CREDENTIAL_SET) { |
|
1253 |
next = e.next(); |
|
1254 |
} else { |
|
1255 |
next = java.security.AccessController.doPrivileged |
|
1256 |
(new java.security.PrivilegedAction<E>() { |
|
1257 |
public E run() { |
|
1258 |
return e.next(); |
|
1259 |
} |
|
1260 |
}); |
|
1261 |
} |
|
1262 |
||
1263 |
Iterator<?> ce = c.iterator(); |
|
1264 |
while (ce.hasNext()) { |
|
1265 |
Object o = ce.next(); |
|
1266 |
if (next == null) { |
|
1267 |
if (o == null) { |
|
1268 |
retain = true; |
|
1269 |
break; |
|
1270 |
} |
|
1271 |
} else if (next.equals(o)) { |
|
1272 |
retain = true; |
|
1273 |
break; |
|
1274 |
} |
|
1275 |
} |
|
1276 |
||
1277 |
if (!retain) { |
|
1278 |
e.remove(); |
|
1279 |
retain = false; |
|
1280 |
modified = true; |
|
1281 |
} |
|
1282 |
} |
|
1283 |
return modified; |
|
1284 |
} |
|
1285 |
||
1286 |
public void clear() { |
|
1287 |
final Iterator<E> e = iterator(); |
|
1288 |
while (e.hasNext()) { |
|
1289 |
E next; |
|
1290 |
if (which != Subject.PRIV_CREDENTIAL_SET) { |
|
1291 |
next = e.next(); |
|
1292 |
} else { |
|
1293 |
next = java.security.AccessController.doPrivileged |
|
1294 |
(new java.security.PrivilegedAction<E>() { |
|
1295 |
public E run() { |
|
1296 |
return e.next(); |
|
1297 |
} |
|
1298 |
}); |
|
1299 |
} |
|
1300 |
e.remove(); |
|
1301 |
} |
|
1302 |
} |
|
1303 |
||
1304 |
/** |
|
1305 |
* Writes this object out to a stream (i.e., serializes it). |
|
1306 |
* |
|
1307 |
* <p> |
|
1308 |
* |
|
1309 |
* @serialData If this is a private credential set, |
|
1310 |
* a security check is performed to ensure that |
|
1311 |
* the caller has permission to access each credential |
|
1312 |
* in the set. If the security check passes, |
|
1313 |
* the set is serialized. |
|
1314 |
*/ |
|
1315 |
private void writeObject(java.io.ObjectOutputStream oos) |
|
1316 |
throws java.io.IOException { |
|
1317 |
||
1318 |
if (which == Subject.PRIV_CREDENTIAL_SET) { |
|
1319 |
// check permissions before serializing |
|
1320 |
Iterator<E> i = iterator(); |
|
1321 |
while (i.hasNext()) { |
|
1322 |
i.next(); |
|
1323 |
} |
|
1324 |
} |
|
1325 |
ObjectOutputStream.PutField fields = oos.putFields(); |
|
1326 |
fields.put("this$0", subject); |
|
1327 |
fields.put("elements", elements); |
|
1328 |
fields.put("which", which); |
|
1329 |
oos.writeFields(); |
|
1330 |
} |
|
1331 |
||
10709
d865c9f21240
7092375: Security Libraries don't build with javac -Werror
xuelei
parents:
7179
diff
changeset
|
1332 |
@SuppressWarnings("unchecked") |
2 | 1333 |
private void readObject(ObjectInputStream ois) |
1334 |
throws IOException, ClassNotFoundException |
|
1335 |
{ |
|
1336 |
ObjectInputStream.GetField fields = ois.readFields(); |
|
1337 |
subject = (Subject) fields.get("this$0", null); |
|
1338 |
which = fields.get("which", 0); |
|
20806
d94588b7854d
8015731: Subject java.security.auth.subject to improvements
weijun
parents:
14342
diff
changeset
|
1339 |
|
d94588b7854d
8015731: Subject java.security.auth.subject to improvements
weijun
parents:
14342
diff
changeset
|
1340 |
LinkedList<E> tmp = (LinkedList<E>) fields.get("elements", null); |
d94588b7854d
8015731: Subject java.security.auth.subject to improvements
weijun
parents:
14342
diff
changeset
|
1341 |
if (tmp.getClass() != LinkedList.class) { |
d94588b7854d
8015731: Subject java.security.auth.subject to improvements
weijun
parents:
14342
diff
changeset
|
1342 |
elements = new LinkedList<E>(tmp); |
d94588b7854d
8015731: Subject java.security.auth.subject to improvements
weijun
parents:
14342
diff
changeset
|
1343 |
} else { |
d94588b7854d
8015731: Subject java.security.auth.subject to improvements
weijun
parents:
14342
diff
changeset
|
1344 |
elements = tmp; |
d94588b7854d
8015731: Subject java.security.auth.subject to improvements
weijun
parents:
14342
diff
changeset
|
1345 |
} |
2 | 1346 |
} |
1347 |
} |
|
1348 |
||
1349 |
/** |
|
18830 | 1350 |
* This class implements a {@code Set} which returns only |
2 | 1351 |
* members that are an instance of a specified Class. |
1352 |
*/ |
|
1353 |
private class ClassSet<T> extends AbstractSet<T> { |
|
1354 |
||
1355 |
private int which; |
|
1356 |
private Class<T> c; |
|
1357 |
private Set<T> set; |
|
1358 |
||
1359 |
ClassSet(int which, Class<T> c) { |
|
1360 |
this.which = which; |
|
1361 |
this.c = c; |
|
1362 |
set = new HashSet<T>(); |
|
1363 |
||
1364 |
switch (which) { |
|
1365 |
case Subject.PRINCIPAL_SET: |
|
1366 |
synchronized(principals) { populateSet(); } |
|
1367 |
break; |
|
1368 |
case Subject.PUB_CREDENTIAL_SET: |
|
1369 |
synchronized(pubCredentials) { populateSet(); } |
|
1370 |
break; |
|
1371 |
default: |
|
1372 |
synchronized(privCredentials) { populateSet(); } |
|
1373 |
break; |
|
1374 |
} |
|
1375 |
} |
|
1376 |
||
10709
d865c9f21240
7092375: Security Libraries don't build with javac -Werror
xuelei
parents:
7179
diff
changeset
|
1377 |
@SuppressWarnings("unchecked") /*To suppress warning from line 1374*/ |
2 | 1378 |
private void populateSet() { |
1379 |
final Iterator<?> iterator; |
|
1380 |
switch(which) { |
|
1381 |
case Subject.PRINCIPAL_SET: |
|
1382 |
iterator = Subject.this.principals.iterator(); |
|
1383 |
break; |
|
1384 |
case Subject.PUB_CREDENTIAL_SET: |
|
1385 |
iterator = Subject.this.pubCredentials.iterator(); |
|
1386 |
break; |
|
1387 |
default: |
|
1388 |
iterator = Subject.this.privCredentials.iterator(); |
|
1389 |
break; |
|
1390 |
} |
|
1391 |
||
1392 |
// Check whether the caller has permisson to get |
|
1393 |
// credentials of Class c |
|
1394 |
||
1395 |
while (iterator.hasNext()) { |
|
1396 |
Object next; |
|
1397 |
if (which == Subject.PRIV_CREDENTIAL_SET) { |
|
1398 |
next = java.security.AccessController.doPrivileged |
|
1399 |
(new java.security.PrivilegedAction<Object>() { |
|
1400 |
public Object run() { |
|
1401 |
return iterator.next(); |
|
1402 |
} |
|
1403 |
}); |
|
1404 |
} else { |
|
1405 |
next = iterator.next(); |
|
1406 |
} |
|
1407 |
if (c.isAssignableFrom(next.getClass())) { |
|
1408 |
if (which != Subject.PRIV_CREDENTIAL_SET) { |
|
1409 |
set.add((T)next); |
|
1410 |
} else { |
|
1411 |
// Check permission for private creds |
|
1412 |
SecurityManager sm = System.getSecurityManager(); |
|
1413 |
if (sm != null) { |
|
1414 |
sm.checkPermission(new PrivateCredentialPermission |
|
1415 |
(next.getClass().getName(), |
|
1416 |
Subject.this.getPrincipals())); |
|
1417 |
} |
|
1418 |
set.add((T)next); |
|
1419 |
} |
|
1420 |
} |
|
1421 |
} |
|
1422 |
} |
|
1423 |
||
1424 |
public int size() { |
|
1425 |
return set.size(); |
|
1426 |
} |
|
1427 |
||
1428 |
public Iterator<T> iterator() { |
|
1429 |
return set.iterator(); |
|
1430 |
} |
|
1431 |
||
1432 |
public boolean add(T o) { |
|
1433 |
||
1434 |
if (!o.getClass().isAssignableFrom(c)) { |
|
1435 |
MessageFormat form = new MessageFormat(ResourcesMgr.getString |
|
7179
4afb81e50183
6987827: security/util/Resources.java needs improvement
weijun
parents:
5506
diff
changeset
|
1436 |
("attempting.to.add.an.object.which.is.not.an.instance.of.class")); |
2 | 1437 |
Object[] source = {c.toString()}; |
1438 |
throw new SecurityException(form.format(source)); |
|
1439 |
} |
|
1440 |
||
1441 |
return set.add(o); |
|
1442 |
} |
|
1443 |
} |
|
4331
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1444 |
|
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1445 |
static class AuthPermissionHolder { |
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1446 |
static final AuthPermission DO_AS_PERMISSION = |
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1447 |
new AuthPermission("doAs"); |
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1448 |
|
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1449 |
static final AuthPermission DO_AS_PRIVILEGED_PERMISSION = |
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1450 |
new AuthPermission("doAsPrivileged"); |
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1451 |
|
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1452 |
static final AuthPermission SET_READ_ONLY_PERMISSION = |
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1453 |
new AuthPermission("setReadOnly"); |
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1454 |
|
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1455 |
static final AuthPermission GET_SUBJECT_PERMISSION = |
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1456 |
new AuthPermission("getSubject"); |
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1457 |
|
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1458 |
static final AuthPermission MODIFY_PRINCIPALS_PERMISSION = |
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1459 |
new AuthPermission("modifyPrincipals"); |
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1460 |
|
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1461 |
static final AuthPermission MODIFY_PUBLIC_CREDENTIALS_PERMISSION = |
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1462 |
new AuthPermission("modifyPublicCredentials"); |
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1463 |
|
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1464 |
static final AuthPermission MODIFY_PRIVATE_CREDENTIALS_PERMISSION = |
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1465 |
new AuthPermission("modifyPrivateCredentials"); |
ba7050c934f2
6903638: Remove dependency on AuthPermission from SecurityConstants
mchung
parents:
2
diff
changeset
|
1466 |
} |
2 | 1467 |
} |