X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=org.argeo.cms%2Fsrc%2Forg%2Fargeo%2Fcms%2Fauth%2FSpnegoLoginModule.java;h=a01daf6e0adef7228725ef66833a99d62d66aabb;hb=0e533d2562def311fdd7aa71f1d0d704e466861e;hp=ef2872e38c52fa452318d50dd4fc8f010c525bcd;hpb=cf53e939cabed54ee2a3074afcf22417fbdf364d;p=lgpl%2Fargeo-commons.git

diff --git a/org.argeo.cms/src/org/argeo/cms/auth/SpnegoLoginModule.java b/org.argeo.cms/src/org/argeo/cms/auth/SpnegoLoginModule.java
index ef2872e38..a01daf6e0 100644
--- a/org.argeo.cms/src/org/argeo/cms/auth/SpnegoLoginModule.java
+++ b/org.argeo.cms/src/org/argeo/cms/auth/SpnegoLoginModule.java
@@ -1,6 +1,5 @@
 package org.argeo.cms.auth;
 
-import java.lang.reflect.Method;
 import java.util.Map;
 
 import javax.security.auth.Subject;
@@ -8,17 +7,18 @@ import javax.security.auth.callback.CallbackHandler;
 import javax.security.auth.login.LoginException;
 import javax.security.auth.spi.LoginModule;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.argeo.cms.internal.kernel.Activator;
+import org.argeo.api.cms.CmsLog;
+import org.argeo.cms.internal.runtime.CmsContextImpl;
 import org.ietf.jgss.GSSContext;
-import org.ietf.jgss.GSSCredential;
 import org.ietf.jgss.GSSException;
 import org.ietf.jgss.GSSManager;
 import org.ietf.jgss.GSSName;
 
+import com.sun.security.jgss.GSSUtil;
+
+/** SPNEGO login */
 public class SpnegoLoginModule implements LoginModule {
-	private final static Log log = LogFactory.getLog(SpnegoLoginModule.class);
+	private final static CmsLog log = CmsLog.getLog(SpnegoLoginModule.class);
 
 	private Subject subject;
 	private Map<String, Object> sharedState = null;
@@ -41,22 +41,21 @@ public class SpnegoLoginModule implements LoginModule {
 		gssContext = checkToken(spnegoToken);
 		if (gssContext == null)
 			return false;
-		try {
-			String clientName = gssContext.getSrcName().toString();
-			String role = clientName.substring(clientName.indexOf('@') + 1);
-
-			log.debug("SpnegoUserRealm: established a security context");
-			log.debug("Client Principal is: " + gssContext.getSrcName());
-			log.debug("Server Principal is: " + gssContext.getTargName());
-			log.debug("Client Default Role: " + role);
-		} catch (GSSException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
+		else {
+			if (!sharedState.containsKey(CmsAuthUtils.SHARED_STATE_NAME)) {
+				try {
+					if (gssContext.getCredDelegState()) {
+						// commit will succeeed only if we have credential delegation
+						GSSName name = gssContext.getSrcName();
+						String username = name.toString();
+						sharedState.put(CmsAuthUtils.SHARED_STATE_NAME, username);
+					}
+				} catch (GSSException e) {
+					throw new IllegalStateException("Cannot retrieve SPNEGO name", e);
+				}
+			}
+			return true;
 		}
-
-		// TODO log in
-
-		return false;
 	}
 
 	@Override
@@ -65,38 +64,53 @@ public class SpnegoLoginModule implements LoginModule {
 			return false;
 
 		try {
-			Class<?> gssUtilsClass = Class.forName("com.sun.security.jgss.GSSUtil");
-			Method createSubjectMethod = gssUtilsClass.getMethod("createSubject", GSSName.class, GSSCredential.class);
-			Subject gssSubject = (Subject) createSubjectMethod.invoke(null, gssContext.getSrcName(),
-					gssContext.getDelegCred());
+			Subject gssSubject;
+			if (gssContext.getCredDelegState())
+				gssSubject = (Subject) GSSUtil.createSubject(gssContext.getSrcName(), gssContext.getDelegCred());
+			else
+				gssSubject = (Subject) GSSUtil.createSubject(gssContext.getSrcName(), null);
+			// without credential delegation we won't have access to the Kerberos key
 			subject.getPrincipals().addAll(gssSubject.getPrincipals());
 			subject.getPrivateCredentials().addAll(gssSubject.getPrivateCredentials());
 			return true;
 		} catch (Exception e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
-			return false;
+			throw new LoginException("Cannot commit SPNEGO " + e);
 		}
 
 	}
 
 	@Override
 	public boolean abort() throws LoginException {
-		// TODO Auto-generated method stub
-		return false;
+		if (gssContext != null) {
+			try {
+				gssContext.dispose();
+			} catch (GSSException e) {
+				if (log.isTraceEnabled())
+					log.warn("Could not abort", e);
+			}
+			gssContext = null;
+		}
+		return true;
 	}
 
 	@Override
 	public boolean logout() throws LoginException {
-		// TODO Auto-generated method stub
-		return false;
+		if (gssContext != null) {
+			try {
+				gssContext.dispose();
+			} catch (GSSException e) {
+				if (log.isTraceEnabled())
+					log.warn("Could not abort", e);
+			}
+			gssContext = null;
+		}
+		return true;
 	}
 
 	private GSSContext checkToken(byte[] authToken) {
 		GSSManager manager = GSSManager.getInstance();
 		try {
-			GSSContext gContext = manager.createContext(Activator.getAcceptorCredentials());
-
+			GSSContext gContext = manager.createContext(CmsContextImpl.getCmsContext().getAcceptorCredentials());
 			if (gContext == null) {
 				log.debug("SpnegoUserRealm: failed to establish GSSContext");
 			} else {
@@ -115,4 +129,5 @@ public class SpnegoLoginModule implements LoginModule {
 		return null;
 
 	}
+
 }