import java.security.AccessController;
import java.security.Principal;
+import java.security.PrivilegedAction;
+import java.security.PrivilegedActionException;
+import java.security.PrivilegedExceptionAction;
import java.security.acl.Group;
import java.util.HashSet;
import java.util.Set;
+import java.util.UUID;
import javax.security.auth.Subject;
import javax.security.auth.x500.X500Principal;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
import org.argeo.cms.CmsException;
-import org.argeo.cms.CmsView;
-import org.argeo.cms.util.CmsUtils;
+import org.argeo.cms.internal.auth.CmsSessionImpl;
+import org.argeo.eclipse.ui.specific.UiContext;
+import org.argeo.node.NodeConstants;
import org.osgi.service.useradmin.Authorization;
-/** Static utilities */
+/**
+ * Programmatic access to the currently authenticated user, within a CMS
+ * context.
+ */
public final class CurrentUser {
+ private final static Log log = LogFactory.getLog(CurrentUser.class);
+// private final static BundleContext bc = FrameworkUtil.getBundle(CurrentUser.class).getBundleContext();
+ /*
+ * CURRENT USER API
+ */
+
/**
+ * Technical username of the currently authenticated user.
+ *
* @return the authenticated username or null if not authenticated /
* anonymous
*/
return getUsername(currentSubject());
}
+ /**
+ * Human readable name of the currently authenticated user (typically first
+ * name and last name).
+ */
public static String getDisplayName() {
return getDisplayName(currentSubject());
}
+ /** Whether a user is currently authenticated. */
public static boolean isAnonymous() {
return isAnonymous(currentSubject());
}
- public static boolean isAnonymous(Subject subject) {
- String username = getUsername(subject);
- return username == null
- || username.equalsIgnoreCase(AuthConstants.ROLE_ANONYMOUS);
+ /** Roles of the currently logged-in user */
+ public final static Set<String> roles() {
+ return roles(currentSubject());
}
- private static Subject currentSubject() {
- Subject subject = Subject.getSubject(AccessController.getContext());
- if (subject != null)
- return subject;
- if (subject == null) {
- CmsView cmsView = CmsUtils.getCmsView();
- if (cmsView != null)
- return cmsView.getSubject();
- }
- throw new CmsException("Cannot find related subject");
+ /** Returns true if the current user is in the specified role */
+ public static boolean isInRole(String role) {
+ Set<String> roles = roles();
+ return roles.contains(role);
+ }
+
+ /** Executes as the current user */
+ public final static <T> T doAs(PrivilegedAction<T> action) {
+ return Subject.doAs(currentSubject(), action);
+ }
+
+ /** Executes as the current user */
+ public final static <T> T tryAs(PrivilegedExceptionAction<T> action) throws PrivilegedActionException {
+ return Subject.doAs(currentSubject(), action);
}
+ /*
+ * WRAPPERS
+ */
+
public final static String getUsername(Subject subject) {
- // Subject subject = Subject.getSubject(AccessController.getContext());
- // if (subject == null)
- // return null;
+ if (subject == null)
+ throw new CmsException("Subject cannot be null");
if (subject.getPrincipals(X500Principal.class).size() != 1)
- return null;
- Principal principal = subject.getPrincipals(X500Principal.class)
- .iterator().next();
+ return NodeConstants.ROLE_ANONYMOUS;
+ Principal principal = subject.getPrincipals(X500Principal.class).iterator().next();
return principal.getName();
-
}
public final static String getDisplayName(Subject subject) {
return getAuthorization(subject).toString();
}
- private static Authorization getAuthorization(Subject subject) {
- return subject.getPrivateCredentials(Authorization.class).iterator()
- .next();
- }
-
- public final static Set<String> roles() {
- return roles(currentSubject());
- }
-
public final static Set<String> roles(Subject subject) {
Set<String> roles = new HashSet<String>();
- X500Principal userPrincipal = subject
- .getPrincipals(X500Principal.class).iterator().next();
- roles.add(userPrincipal.getName());
+ roles.add(getUsername(subject));
for (Principal group : subject.getPrincipals(Group.class)) {
roles.add(group.getName());
}
return roles;
}
+ /** Whether this user is currently authenticated. */
+ public static boolean isAnonymous(Subject subject) {
+ if (subject == null)
+ return true;
+ String username = getUsername(subject);
+ return username == null || username.equalsIgnoreCase(NodeConstants.ROLE_ANONYMOUS);
+ }
+ /*
+ * HELPERS
+ */
+
+ private static Subject currentSubject() {
+ CmsAuthenticated cmsView = getNodeAuthenticated();
+ if (cmsView != null)
+ return cmsView.getSubject();
+ Subject subject = Subject.getSubject(AccessController.getContext());
+ if (subject != null)
+ return subject;
+ throw new CmsException("Cannot find related subject");
+ }
+
+ /**
+ * The node authenticated component (typically a CMS view) related to this
+ * display, or null if none is available from this call. <b>Not API: Only
+ * for low-level access.</b>
+ */
+ private static CmsAuthenticated getNodeAuthenticated() {
+ return UiContext.getData(CmsAuthenticated.KEY);
+ }
+
+ private static Authorization getAuthorization(Subject subject) {
+ return subject.getPrivateCredentials(Authorization.class).iterator().next();
+ }
+
+ public static boolean logoutCmsSession(Subject subject) {
+ UUID nodeSessionId;
+ if (subject.getPrivateCredentials(CmsSessionId.class).size() == 1)
+ nodeSessionId = subject.getPrivateCredentials(CmsSessionId.class).iterator().next().getUuid();
+ else
+ return false;
+ CmsSessionImpl cmsSession = (CmsSessionImpl) CmsSessionImpl.getByUuid(nodeSessionId.toString());
+ cmsSession.close();
+ // Collection<ServiceReference<CmsSession>> srs;
+ // try {
+ // srs = bc.getServiceReferences(CmsSession.class, "(" +
+ // CmsSession.SESSION_UUID + "=" + nodeSessionId + ")");
+ // } catch (InvalidSyntaxException e) {
+ // throw new CmsException("Cannot retrieve CMS session #" +
+ // nodeSessionId, e);
+ // }
+ //
+ // if (srs.size() == 0) {
+ // // if (log.isTraceEnabled())
+ // // log.warn("No CMS web session found for http session " +
+ // // nodeSessionId);
+ // return false;
+ // } else if (srs.size() > 1)
+ // throw new CmsException(srs.size() + " CMS web sessions found for http
+ // session " + nodeSessionId);
+ //
+ // WebCmsSessionImpl cmsSession = (WebCmsSessionImpl)
+ // bc.getService(srs.iterator().next());
+// cmsSession.cleanUp();
+ // subject.getPrivateCredentials().removeAll(subject.getPrivateCredentials(CmsSessionId.class));
+ if (log.isDebugEnabled())
+ log.debug("Logged out CMS session " + cmsSession.getUuid());
+ return true;
+ }
+
private CurrentUser() {
}
}
projects / lgpl / argeo-commons.git / blobdiff