package org.argeo.cms.auth;
-import java.security.AccessControlContext;
-import java.security.AccessController;
import java.security.PrivilegedAction;
+import java.util.Base64;
import java.util.function.Supplier;
import javax.security.auth.Subject;
+import javax.security.auth.kerberos.KerberosTicket;
+import javax.security.auth.login.LoginContext;
+import javax.security.auth.login.LoginException;
+import org.argeo.api.cms.CmsAuth;
+import org.argeo.api.cms.CmsLog;
import org.argeo.api.cms.CmsSession;
+import org.argeo.cms.http.HttpHeader;
+import org.argeo.cms.http.HttpStatus;
import org.argeo.cms.internal.runtime.CmsContextImpl;
+import org.argeo.cms.util.CurrentSubject;
+import org.ietf.jgss.GSSContext;
+import org.ietf.jgss.GSSException;
+import org.ietf.jgss.GSSManager;
+import org.ietf.jgss.GSSName;
+import org.ietf.jgss.Oid;
/** Remote authentication utilities. */
public class RemoteAuthUtils {
+ private final static CmsLog log = CmsLog.getLog(RemoteAuthUtils.class);
+
static final String REMOTE_USER = "org.osgi.service.http.authentication.remote.user";
-// private static BundleContext bundleContext = FrameworkUtil.getBundle(RemoteAuthUtils.class).getBundleContext();
+ private final static Oid KERBEROS_OID;
+// private final static Oid KERB_V5_OID, KRB5_PRINCIPAL_NAME_OID;
+ static {
+ try {
+ KERBEROS_OID = new Oid("1.3.6.1.5.5.2");
+// KERB_V5_OID = new Oid("1.2.840.113554.1.2.2");
+// KRB5_PRINCIPAL_NAME_OID = new Oid("1.2.840.113554.1.2.2.1");
+ } catch (GSSException e) {
+ throw new IllegalStateException("Cannot create Kerberos OID", e);
+ }
+ }
/**
* Execute this supplier, using the CMS class loader as context classloader.
* Useful to log in to JCR.
*/
public final static <T> T doAs(Supplier<T> supplier, RemoteAuthRequest req) {
- ClassLoader currentContextCl = Thread.currentThread().getContextClassLoader();
- Thread.currentThread().setContextClassLoader(RemoteAuthUtils.class.getClassLoader());
- try {
- return Subject.doAs(
- Subject.getSubject((AccessControlContext) req.getAttribute(AccessControlContext.class.getName())),
- new PrivilegedAction<T>() {
+ CmsSession cmsSession = getCmsSession(req);
+ return CurrentSubject.callAs(cmsSession.getSubject(), () -> supplier.get());
+// ClassLoader currentContextCl = Thread.currentThread().getContextClassLoader();
+// Thread.currentThread().setContextClassLoader(RemoteAuthUtils.class.getClassLoader());
+// try {
+// return Subject.doAs(
+// Subject.getSubject((AccessControlContext) req.getAttribute(AccessControlContext.class.getName())),
+// new PrivilegedAction<T>() {
+//
+// @Override
+// public T run() {
+// return supplier.get();
+// }
+//
+// });
+// } finally {
+// Thread.currentThread().setContextClassLoader(currentContextCl);
+// }
+ }
+
+// public final static void configureRequestSecurity(RemoteAuthRequest req) {
+// if (req.getAttribute(AccessControlContext.class.getName()) != null)
+// throw new IllegalStateException("Request already authenticated.");
+// AccessControlContext acc = AccessController.getContext();
+// req.setAttribute(REMOTE_USER, CurrentUser.getUsername());
+// req.setAttribute(AccessControlContext.class.getName(), acc);
+// }
+//
+// public final static void clearRequestSecurity(RemoteAuthRequest req) {
+// if (req.getAttribute(AccessControlContext.class.getName()) == null)
+// throw new IllegalStateException("Cannot clear non-authenticated request.");
+// req.setAttribute(REMOTE_USER, null);
+// req.setAttribute(AccessControlContext.class.getName(), null);
+// }
+
+ public static CmsSession getCmsSession(RemoteAuthRequest req) {
+ CmsSession cmsSession = (CmsSession) req.getAttribute(CmsSession.class.getName());
+ if (cmsSession == null)
+ throw new IllegalStateException("Request must have a CMS session attribute");
+ return cmsSession;
+ }
+
+ public static String createGssToken(Subject subject, String service, String server) {
+ if (subject.getPrivateCredentials(KerberosTicket.class).isEmpty())
+ throw new IllegalArgumentException("Subject " + subject + " is not GSS authenticated.");
+ return Subject.doAs(subject, (PrivilegedAction<String>) () -> {
+ // !! different format than Kerberos
+ String serverPrinc = service + "@" + server;
+ GSSContext context = null;
+ String tokenStr = null;
+
+ try {
+ // Get service's principal name
+ GSSManager manager = GSSManager.getInstance();
+ // GSSName serverName = manager.createName(serverPrinc,
+ // GSSName.NT_HOSTBASED_SERVICE, KERBEROS_OID);
+ GSSName serverName = manager.createName(serverPrinc, GSSName.NT_HOSTBASED_SERVICE);
+
+ // Get the context for authentication
+ context = manager.createContext(serverName, KERBEROS_OID, null, GSSContext.DEFAULT_LIFETIME);
+ // context.requestMutualAuth(true); // Request mutual authentication
+ // context.requestConf(true); // Request confidentiality
+ context.requestCredDeleg(true);
- @Override
- public T run() {
- return supplier.get();
- }
+ byte[] token = new byte[0];
- });
+ // token is ignored on the first call
+ token = context.initSecContext(token, 0, token.length);
+
+ // Send a token to the server if one was generated by
+ // initSecContext
+ if (token != null) {
+ tokenStr = Base64.getEncoder().encodeToString(token);
+ // complete=true;
+ }
+ return tokenStr;
+
+ } catch (GSSException e) {
+ throw new IllegalStateException("Cannot authenticate to " + serverPrinc, e);
+ }
+ });
+ }
+
+ public static LoginContext anonymousLogin(RemoteAuthRequest remoteAuthRequest,
+ RemoteAuthResponse remoteAuthResponse) {
+ // anonymous
+ ClassLoader currentContextClassLoader = Thread.currentThread().getContextClassLoader();
+ try {
+ Thread.currentThread().setContextClassLoader(RemoteAuthUtils.class.getClassLoader());
+ LoginContext lc = CmsAuth.ANONYMOUS
+ .newLoginContext(new RemoteAuthCallbackHandler(remoteAuthRequest, remoteAuthResponse));
+ lc.login();
+ return lc;
+ } catch (LoginException e1) {
+ if (log.isDebugEnabled())
+ log.error("Cannot log in as anonymous", e1);
+ return null;
} finally {
- Thread.currentThread().setContextClassLoader(currentContextCl);
+ Thread.currentThread().setContextClassLoader(currentContextClassLoader);
}
}
- public final static void configureRequestSecurity(RemoteAuthRequest req) {
- if (req.getAttribute(AccessControlContext.class.getName()) != null)
- throw new IllegalStateException("Request already authenticated.");
- AccessControlContext acc = AccessController.getContext();
- req.setAttribute(REMOTE_USER, CurrentUser.getUsername());
- req.setAttribute(AccessControlContext.class.getName(), acc);
- }
+ public static int askForWwwAuth(RemoteAuthRequest remoteAuthRequest, RemoteAuthResponse remoteAuthResponse,
+ String realm, boolean forceBasic) {
+ boolean negotiateFailed = false;
+ if (remoteAuthRequest.getHeader(HttpHeader.AUTHORIZATION.getHeaderName()) != null) {
+ // we already tried, so we give up in order not too loop endlessly
+ if (remoteAuthRequest.getHeader(HttpHeader.AUTHORIZATION.getHeaderName())
+ .startsWith(HttpHeader.NEGOTIATE)) {
+ negotiateFailed = true;
+ } else {
+ return HttpStatus.FORBIDDEN.getCode();
+ }
+ }
- public final static void clearRequestSecurity(RemoteAuthRequest req) {
- if (req.getAttribute(AccessControlContext.class.getName()) == null)
- throw new IllegalStateException("Cannot clear non-authenticated request.");
- req.setAttribute(REMOTE_USER, null);
- req.setAttribute(AccessControlContext.class.getName(), null);
+ // response.setHeader(HttpUtils.HEADER_WWW_AUTHENTICATE, "basic
+ // realm=\"" + httpAuthRealm + "\"");
+ if (hasAcceptorCredentials() && !forceBasic && !negotiateFailed) {// SPNEGO
+ remoteAuthResponse.addHeader(HttpHeader.WWW_AUTHENTICATE.getHeaderName(), HttpHeader.NEGOTIATE);
+ // TODO make it configurable ?
+ remoteAuthResponse.addHeader(HttpHeader.WWW_AUTHENTICATE.getHeaderName(),
+ HttpHeader.BASIC + " " + HttpHeader.REALM + "=\"" + realm + "\"");
+ } else {
+ remoteAuthResponse.setHeader(HttpHeader.WWW_AUTHENTICATE.getHeaderName(),
+ HttpHeader.BASIC + " " + HttpHeader.REALM + "=\"" + realm + "\"");
+ }
+
+ // response.setDateHeader("Date", System.currentTimeMillis());
+ // response.setDateHeader("Expires", System.currentTimeMillis() + (24 *
+ // 60 * 60 * 1000));
+ // response.setHeader("Accept-Ranges", "bytes");
+ // response.setHeader("Connection", "Keep-Alive");
+ // response.setHeader("Keep-Alive", "timeout=5, max=97");
+ // response.setContentType("text/html; charset=UTF-8");
+
+ return HttpStatus.UNAUTHORIZED.getCode();
}
- public static CmsSession getCmsSession(RemoteAuthRequest req) {
- Subject subject = Subject
- .getSubject((AccessControlContext) req.getAttribute(AccessControlContext.class.getName()));
- CmsSession cmsSession = CmsContextImpl.getCmsContext().getCmsSession(subject);
- return cmsSession;
+ private static boolean hasAcceptorCredentials() {
+ return CmsContextImpl.getCmsContext().getAcceptorCredentials() != null;
}
+
}
projects / lgpl / argeo-commons.git / blobdiff