Work on hardening.
[lgpl/argeo-commons.git] / org.argeo.cms / src / org / argeo / cms / internal / kernel / Activator.java
index 4d166eaf63db619ed0b761034299a154f30cfd39..d7b953b5389eae6a4cecbb5b4bbe336c3aea6131 100644 (file)
 package org.argeo.cms.internal.kernel;
 
+import java.io.IOException;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.security.AllPermission;
+import java.util.Dictionary;
+import java.util.List;
+import java.util.Locale;
+
+import javax.security.auth.login.Configuration;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.argeo.cms.CmsException;
+import org.argeo.ident.IdentClient;
+import org.argeo.node.ArgeoLogger;
+import org.argeo.node.NodeConstants;
+import org.argeo.node.NodeDeployment;
+import org.argeo.node.NodeInstance;
+import org.argeo.node.NodeState;
+import org.argeo.util.LangUtils;
+import org.ietf.jgss.GSSCredential;
 import org.osgi.framework.BundleActivator;
 import org.osgi.framework.BundleContext;
+import org.osgi.framework.Constants;
+import org.osgi.framework.ServiceReference;
+import org.osgi.service.condpermadmin.BundleLocationCondition;
+import org.osgi.service.condpermadmin.ConditionInfo;
+import org.osgi.service.condpermadmin.ConditionalPermissionAdmin;
+import org.osgi.service.condpermadmin.ConditionalPermissionInfo;
+import org.osgi.service.condpermadmin.ConditionalPermissionUpdate;
+import org.osgi.service.log.LogReaderService;
+import org.osgi.service.permissionadmin.PermissionInfo;
+import org.osgi.service.useradmin.UserAdmin;
+import org.osgi.util.tracker.ServiceTracker;
 
+/**
+ * Activates the kernel. Gives access to kernel information for the rest of the
+ * bundle (and only it)
+ */
 public class Activator implements BundleActivator {
-       private Kernel kernel;
+       private final static Log log = LogFactory.getLog(Activator.class);
+
+       private static Activator instance;
+
+       // TODO make it configurable
+       private boolean hardened = false;
+
+       private BundleContext bc;
+
+       private LogReaderService logReaderService;
+
+       private NodeLogger logger;
+       private CmsState nodeState;
+       private CmsDeployment nodeDeployment;
+       private CmsInstance nodeInstance;
+
+       private ServiceTracker<UserAdmin, NodeUserAdmin> userAdminSt;
 
        @Override
-       public void start(BundleContext context) throws Exception {
-               assert kernel == null;
-               kernel = new Kernel(context);
-               kernel.init();
+       public void start(BundleContext bundleContext) throws Exception {
+               Runtime.getRuntime().addShutdownHook(new CmsShutdown());
+               instance = this;
+               this.bc = bundleContext;
+               this.logReaderService = getService(LogReaderService.class);
+
+               try {
+                       initSecurity();
+                       initArgeoLogger();
+                       initNode();
+
+                       userAdminSt = new ServiceTracker<>(instance.bc, UserAdmin.class, null);
+                       userAdminSt.open();
+                       if (log.isTraceEnabled())
+                               log.trace("Kernel bundle started");
+               } catch (Throwable e) {
+                       log.error("## FATAL: CMS activator failed", e);
+               }
+       }
+
+       private void initSecurity() {
+               if (System.getProperty(KernelConstants.JAAS_CONFIG_PROP) == null) {
+                       String jaasConfig = KernelConstants.JAAS_CONFIG;
+                       URL url = getClass().getClassLoader().getResource(jaasConfig);
+                       // System.setProperty(KernelConstants.JAAS_CONFIG_PROP,
+                       // url.toExternalForm());
+                       KernelUtils.setJaasConfiguration(url);
+               }
+               // explicitly load JAAS configuration
+               Configuration.getConfiguration();
+
+               // code-level permissions
+               String osgiSecurity = KernelUtils.getFrameworkProp(Constants.FRAMEWORK_SECURITY);
+               if (osgiSecurity != null && Constants.FRAMEWORK_SECURITY_OSGI.equals(osgiSecurity)) {
+                       // TODO rather use a tracker?
+                       ConditionalPermissionAdmin permissionAdmin = bc
+                                       .getService(bc.getServiceReference(ConditionalPermissionAdmin.class));
+                       if (!hardened) {
+                               // All permissions to all bundles
+                               ConditionalPermissionUpdate update = permissionAdmin.newConditionalPermissionUpdate();
+                               update.getConditionalPermissionInfos().add(permissionAdmin.newConditionalPermissionInfo(null,
+                                               new ConditionInfo[] {
+                                                               new ConditionInfo(BundleLocationCondition.class.getName(), new String[] { "*" }) },
+                                               new PermissionInfo[] { new PermissionInfo(AllPermission.class.getName(), null, null) },
+                                               ConditionalPermissionInfo.ALLOW));
+                               // TODO data admin permission
+//                             PermissionInfo dataAdminPerm = new PermissionInfo(AuthPermission.class.getName(),
+//                                             "createLoginContext." + NodeConstants.LOGIN_CONTEXT_DATA_ADMIN, null);
+//                             update.getConditionalPermissionInfos().add(permissionAdmin.newConditionalPermissionInfo(null,
+//                                             new ConditionInfo[] {
+//                                                             new ConditionInfo(BundleLocationCondition.class.getName(), new String[] { "*" }) },
+//                                             new PermissionInfo[] { dataAdminPerm }, ConditionalPermissionInfo.DENY));
+//                             update.getConditionalPermissionInfos().add(permissionAdmin.newConditionalPermissionInfo(null,
+//                                             new ConditionInfo[] {
+//                                                             new ConditionInfo(BundleSignerCondition.class.getName(), new String[] { "CN=\"Eclipse.org Foundation, Inc.\", OU=IT, O=\"Eclipse.org Foundation, Inc.\", L=Nepean, ST=Ontario, C=CA" }) },
+//                                             new PermissionInfo[] { dataAdminPerm }, ConditionalPermissionInfo.ALLOW));
+                               update.commit();
+                       } else {
+                               SecurityProfile securityProfile = new SecurityProfile() {
+                               };
+                               securityProfile.applySystemPermissions(permissionAdmin);
+                       }
+               }
+
+       }
+
+       private void initArgeoLogger() {
+               logger = new NodeLogger(logReaderService);
+               bc.registerService(ArgeoLogger.class, logger, null);
+       }
+
+       private void initNode() throws IOException {
+               // Node state
+               Path stateUuidPath = bc.getDataFile("stateUuid").toPath();
+               String stateUuid;
+               if (Files.exists(stateUuidPath)) {
+                       stateUuid = Files.readAllLines(stateUuidPath).get(0);
+               } else {
+                       stateUuid = bc.getProperty(Constants.FRAMEWORK_UUID);
+                       Files.write(stateUuidPath, stateUuid.getBytes());
+               }
+               nodeState = new CmsState(stateUuid);
+               Dictionary<String, Object> regProps = LangUtils.dico(Constants.SERVICE_PID, NodeConstants.NODE_STATE_PID);
+               regProps.put(NodeConstants.CN, stateUuid);
+               bc.registerService(NodeState.class, nodeState, regProps);
+
+               // Node deployment
+               nodeDeployment = new CmsDeployment();
+               bc.registerService(NodeDeployment.class, nodeDeployment, null);
+
+               // Node instance
+               nodeInstance = new CmsInstance();
+               bc.registerService(NodeInstance.class, nodeInstance, null);
        }
 
        @Override
-       public void stop(BundleContext context) throws Exception {
-               kernel.destroy();
-               kernel = null;
+       public void stop(BundleContext bundleContext) throws Exception {
+               try {
+                       if (nodeInstance != null)
+                               nodeInstance.shutdown();
+                       if (nodeDeployment != null)
+                               nodeDeployment.shutdown();
+                       if (nodeState != null)
+                               nodeState.shutdown();
+
+                       if (userAdminSt != null)
+                               userAdminSt.close();
+
+                       instance = null;
+                       this.bc = null;
+                       this.logReaderService = null;
+                       // this.configurationAdmin = null;
+               } catch (Exception e) {
+                       log.error("CMS activator shutdown failed", e);
+               }
+       }
+
+       private <T> T getService(Class<T> clazz) {
+               ServiceReference<T> sr = bc.getServiceReference(clazz);
+               if (sr == null)
+                       throw new CmsException("No service available for " + clazz);
+               return bc.getService(sr);
+       }
+
+       public static NodeState getNodeState() {
+               return instance.nodeState;
+       }
+
+       public static GSSCredential getAcceptorCredentials() {
+               return getNodeUserAdmin().getAcceptorCredentials();
+       }
+
+       public static boolean isSingleUser() {
+               return getNodeUserAdmin().isSingleUser();
+       }
+
+       public static UserAdmin getUserAdmin() {
+               return (UserAdmin) getNodeUserAdmin();
+       }
+
+       public static String getHttpProxySslHeader() {
+               return KernelUtils.getFrameworkProp(NodeConstants.HTTP_PROXY_SSL_DN);
+       }
+
+       public static IdentClient getIdentClient(String remoteAddr) {
+               if (!IdentClient.isDefaultAuthdPassphraseFileAvailable())
+                       return null;
+               // TODO make passphrase more configurable
+               return new IdentClient(remoteAddr);
+       }
+
+       private static NodeUserAdmin getNodeUserAdmin() {
+               NodeUserAdmin res;
+               try {
+                       res = instance.userAdminSt.waitForService(60000);
+               } catch (InterruptedException e) {
+                       throw new CmsException("Cannot retrieve Node user admin", e);
+               }
+               if (res == null)
+                       throw new CmsException("No Node user admin found");
+
+               return res;
+               // ServiceReference<UserAdmin> sr =
+               // instance.bc.getServiceReference(UserAdmin.class);
+               // NodeUserAdmin userAdmin = (NodeUserAdmin) instance.bc.getService(sr);
+               // return userAdmin;
+
+       }
+
+       // static CmsSecurity getCmsSecurity() {
+       // return instance.nodeSecurity;
+       // }
+
+       public String[] getLocales() {
+               // TODO optimize?
+               List<Locale> locales = getNodeState().getLocales();
+               String[] res = new String[locales.size()];
+               for (int i = 0; i < locales.size(); i++)
+                       res[i] = locales.get(i).toString();
+               return res;
        }
 
 }