irbacsession.java

这是一个基于角色的访问控制程序

/*
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 * The Apache Software License, Version 1.1
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 * Copyright (c) 1999 The Apache Software Foundation.  All rights
 * reserved.
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 * Portions of this software are based upon public domain software 
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 */
package gov.nist.security.rbac;

/** RBAC session is an active process representing a user. */
public interface IRbacSession {
  /** Returns true iff this session is authorized with the specified permission. */
  public boolean isAuthorized(IPermission perm);
  /** Returns true iff this session is authorized with the specified permissions. */
  public boolean isAuthorized(IPermission[] perm);
  /** Returns true iff this session is authorized with the permissions of the specified role. */
  public boolean isAuthorized(IRole role);
  /** Adds the given role to the current active role set. */
  public boolean addActiveRole(IRole r);
  /** Drops the given role from the current active role set. */
  public boolean dropActiveRole(IRole r);
  /** Returns the user of this session. */
  public IRbacUser getUser();
  /** Returns the current active role set. */
  public IRole[] getActiveRoles();
  /** Returns true iff the active role set contains the specified role. */
  public boolean hasRole(IRole role);
  /**
   * Returns the set of permissions available in this session (ie. union of all
   * permissions assigned to the active role set.
   */
  public IPermission[] getPermissions();
  /**
   * Returns true iff the active role set contains an active role
   * with access privileges greater than or equal to that of the given role.
   */
//  public boolean hasRoleGE(IRole role);
}