auth/SystemRole.java

   1 package org.argeo.api.cms.auth;
   2
   3 import java.util.Set;
   4
   5 import javax.security.auth.Subject;
   6 import javax.xml.namespace.QName;
   7
   8 import org.argeo.api.cms.CmsConstants;
   9
  10 /** A programmatic role. */
  11 public interface SystemRole {
  12         QName qName();
  13
  14         /** Whether this role is implied for this authenticated user. */
  15         default boolean implied(Subject subject, String context) {
  16                 return implied(qName(), subject, context);
  17         }
  18
  19         /** Whether this role is implied for this distinguished name. */
  20         default boolean implied(String dn, String context) {
  21                 String roleContext = RoleNameUtils.getContext(dn);
  22                 QName roleName = RoleNameUtils.getLastRdnAsName(dn);
  23                 return roleContext.equalsIgnoreCase(context) && qName().equals(roleName);
  24         }
  25
  26         /**
  27          * Whether this role is implied for this authenticated subject. If context is
  28          * <code>null</code>, it is not considered; this should be used to build user
  29          * interfaces, but not to authorise.
  30          */
  31         static boolean implied(QName name, Subject subject, String context) {
  32                 Set<ImpliedByPrincipal> roles = subject.getPrincipals(ImpliedByPrincipal.class);
  33                 for (ImpliedByPrincipal role : roles) {
  34                         if (role.isSystemRole()) {
  35                                 if (role.getRoleName().equals(name)) {
  36                                         // !! if context is not specified, it is considered irrelevant
  37                                         if (context == null)
  38                                                 return true;
  39                                         if (role.getContext().equalsIgnoreCase(context)
  40                                                         || role.getContext().equals(CmsConstants.NODE_BASEDN))
  41                                                 return true;
  42                                 }
  43                         }
  44                 }
  45                 return false;
  46         }
  47 }