package org.argeo.cms.internal.kernel;
-import java.io.File;
import java.io.IOException;
+import java.net.Inet6Address;
+import java.net.InetAddress;
import java.net.URI;
import java.net.URISyntaxException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.security.PrivilegedExceptionAction;
import java.util.ArrayList;
-import java.util.Arrays;
import java.util.Dictionary;
import java.util.HashMap;
-import java.util.HashSet;
import java.util.Hashtable;
-import java.util.List;
+import java.util.Iterator;
import java.util.Map;
import java.util.Set;
-import javax.naming.InvalidNameException;
import javax.naming.ldap.LdapName;
+import javax.security.auth.Subject;
+import javax.security.auth.callback.Callback;
+import javax.security.auth.callback.CallbackHandler;
+import javax.security.auth.callback.NameCallback;
+import javax.security.auth.callback.UnsupportedCallbackException;
+import javax.security.auth.kerberos.KerberosPrincipal;
+import javax.security.auth.login.LoginContext;
+import javax.security.auth.login.LoginException;
import javax.transaction.TransactionManager;
-import org.apache.commons.io.FileUtils;
+import org.apache.commons.httpclient.auth.AuthPolicy;
+import org.apache.commons.httpclient.auth.CredentialsProvider;
+import org.apache.commons.httpclient.params.DefaultHttpParams;
+import org.apache.commons.httpclient.params.HttpMethodParams;
+import org.apache.commons.httpclient.params.HttpParams;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
-import org.argeo.cms.CmsException;
-import org.argeo.cms.KernelHeader;
-import org.argeo.osgi.useradmin.UserDirectory;
-import org.argeo.osgi.useradmin.UserAdminConf;
+import org.argeo.api.NodeConstants;
+import org.argeo.cms.internal.http.client.HttpCredentialProvider;
+import org.argeo.cms.internal.http.client.SpnegoAuthScheme;
+import org.argeo.naming.DnsBrowser;
+import org.argeo.osgi.useradmin.AbstractUserDirectory;
+import org.argeo.osgi.useradmin.AggregatingUserAdmin;
import org.argeo.osgi.useradmin.LdapUserAdmin;
import org.argeo.osgi.useradmin.LdifUserAdmin;
-import org.argeo.osgi.useradmin.UserDirectoryException;
-import org.osgi.framework.InvalidSyntaxException;
+import org.argeo.osgi.useradmin.OsUserDirectory;
+import org.argeo.osgi.useradmin.UserAdminConf;
+import org.argeo.osgi.useradmin.UserDirectory;
+import org.ietf.jgss.GSSCredential;
+import org.ietf.jgss.GSSException;
+import org.ietf.jgss.GSSManager;
+import org.ietf.jgss.GSSName;
+import org.ietf.jgss.Oid;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.Constants;
+import org.osgi.service.cm.ConfigurationException;
+import org.osgi.service.cm.ManagedServiceFactory;
import org.osgi.service.useradmin.Authorization;
-import org.osgi.service.useradmin.Role;
-import org.osgi.service.useradmin.User;
import org.osgi.service.useradmin.UserAdmin;
+import org.osgi.util.tracker.ServiceTracker;
-public class NodeUserAdmin implements UserAdmin {
+/**
+ * Aggregates multiple {@link UserDirectory} and integrates them with system
+ * roles.
+ */
+class NodeUserAdmin extends AggregatingUserAdmin implements ManagedServiceFactory, KernelConstants {
private final static Log log = LogFactory.getLog(NodeUserAdmin.class);
- final static LdapName ROLES_BASE;
- static {
- try {
- ROLES_BASE = new LdapName(KernelHeader.ROLES_BASEDN);
- } catch (InvalidNameException e) {
- throw new UserDirectoryException("Cannot initialize "
- + NodeUserAdmin.class, e);
- }
- }
+// private final BundleContext bc = FrameworkUtil.getBundle(getClass()).getBundleContext();
- private UserAdmin nodeRoles = null;
- private Map<LdapName, UserAdmin> userAdmins = new HashMap<LdapName, UserAdmin>();
+ // OSGi
+ private Map<String, LdapName> pidToBaseDn = new HashMap<>();
+// private Map<String, ServiceRegistration<UserDirectory>> pidToServiceRegs = new HashMap<>();
+// private ServiceRegistration<UserAdmin> userAdminReg;
- public NodeUserAdmin() {
- File osgiInstanceDir = KernelUtils.getOsgiInstanceDir();
- File nodeBaseDir = new File(osgiInstanceDir, "node");
- nodeBaseDir.mkdirs();
+ // JTA
+ private final ServiceTracker<TransactionManager, TransactionManager> tmTracker;
+ // private final String cacheName = UserDirectory.class.getName();
- String userAdminUri = KernelUtils
- .getFrameworkProp(KernelConstants.USERADMIN_URIS);
- if (userAdminUri == null) {
- String demoBaseDn = "dc=example,dc=com";
- File businessRolesFile = new File(nodeBaseDir, demoBaseDn + ".ldif");
- if (!businessRolesFile.exists())
- try {
- FileUtils.copyInputStreamToFile(getClass()
- .getResourceAsStream(demoBaseDn + ".ldif"),
- businessRolesFile);
- } catch (IOException e) {
- throw new CmsException("Cannot copy demo resource", e);
- }
- userAdminUri = businessRolesFile.toURI().toString();
+ // GSS API
+ private Path nodeKeyTab = KernelUtils.getOsgiInstancePath(KernelConstants.NODE_KEY_TAB_PATH);
+ private GSSCredential acceptorCredentials;
+
+ private boolean singleUser = false;
+// private boolean systemRolesAvailable = false;
+
+ public NodeUserAdmin(String systemRolesBaseDn, String tokensBaseDn) {
+ super(systemRolesBaseDn, tokensBaseDn);
+ BundleContext bc = Activator.getBundleContext();
+ if (bc != null) {
+ tmTracker = new ServiceTracker<>(bc, TransactionManager.class, null);
+ tmTracker.open();
+ } else {
+ tmTracker = null;
}
+ }
- String[] uris = userAdminUri.split(" ");
- for (String uri : uris) {
- URI u;
- try {
- u = new URI(uri);
- if (u.getScheme() == null) {
- if (uri.startsWith("/"))
- u = new File(uri).getAbsoluteFile().toURI();
- else if (!uri.contains("/"))
- u = new File(nodeBaseDir, uri).getAbsoluteFile()
- .toURI();
- else
- throw new CmsException("Cannot interpret " + uri
- + " as an uri");
- }
- } catch (URISyntaxException e) {
- throw new CmsException(
- "Cannot interpret " + uri + " as an uri", e);
- }
- Dictionary<String, ?> properties = UserAdminConf.uriAsProperties(u
- .toString());
- UserDirectory businessRoles;
- if (u.getScheme().startsWith("ldap")) {
- businessRoles = new LdapUserAdmin(properties);
+ @Override
+ public void updated(String pid, Dictionary<String, ?> properties) throws ConfigurationException {
+ String uri = (String) properties.get(UserAdminConf.uri.name());
+ Object realm = properties.get(UserAdminConf.realm.name());
+ URI u;
+ try {
+ if (uri == null) {
+ String baseDn = (String) properties.get(UserAdminConf.baseDn.name());
+ u = KernelUtils.getOsgiInstanceUri(KernelConstants.DIR_NODE + '/' + baseDn + ".ldif");
+ } else if (realm != null) {
+ u = null;
} else {
- businessRoles = new LdifUserAdmin(properties);
+ u = new URI(uri);
}
- businessRoles.init();
- addUserAdmin(businessRoles.getBaseDn(), (UserAdmin) businessRoles);
- if (log.isDebugEnabled())
- log.debug("User directory " + businessRoles.getBaseDn() + " ["
- + u.getScheme() + "] enabled.");
+ } catch (URISyntaxException e) {
+ throw new IllegalArgumentException("Badly formatted URI " + uri, e);
}
- // NOde roles
- String nodeRolesUri = KernelUtils
- .getFrameworkProp(KernelConstants.ROLES_URI);
- String baseNodeRoleDn = KernelHeader.ROLES_BASEDN;
- if (nodeRolesUri == null) {
- File nodeRolesFile = new File(nodeBaseDir, baseNodeRoleDn + ".ldif");
- if (!nodeRolesFile.exists())
- try {
- FileUtils.copyInputStreamToFile(getClass()
- .getResourceAsStream("demo.ldif"), nodeRolesFile);
- } catch (IOException e) {
- throw new CmsException("Cannot copy demo resource", e);
- }
- nodeRolesUri = nodeRolesFile.toURI().toString();
- }
-
- Dictionary<String, ?> nodeRolesProperties = UserAdminConf
- .uriAsProperties(nodeRolesUri);
- if (!nodeRolesProperties.get(UserAdminConf.baseDn.property()).equals(
- baseNodeRoleDn)) {
- throw new CmsException("Invalid base dn for node roles");
- // TODO deal with "mounted" roles with a different baseDN
- }
- UserDirectory nodeRoles;
- if (nodeRolesUri.startsWith("ldap")) {
- nodeRoles = new LdapUserAdmin(nodeRolesProperties);
+ // Create
+ AbstractUserDirectory userDirectory;
+ if (realm != null || UserAdminConf.SCHEME_LDAP.equals(u.getScheme())
+ || UserAdminConf.SCHEME_LDAPS.equals(u.getScheme())) {
+ userDirectory = new LdapUserAdmin(properties);
+ } else if (UserAdminConf.SCHEME_FILE.equals(u.getScheme())) {
+ userDirectory = new LdifUserAdmin(u, properties);
+ } else if (UserAdminConf.SCHEME_OS.equals(u.getScheme())) {
+ userDirectory = new OsUserDirectory(u, properties);
+ singleUser = true;
} else {
- nodeRoles = new LdifUserAdmin(nodeRolesProperties);
+ throw new IllegalArgumentException("Unsupported scheme " + u.getScheme());
}
- nodeRoles.setExternalRoles(this);
- nodeRoles.init();
- addUserAdmin(baseNodeRoleDn, (UserAdmin) nodeRoles);
- if (log.isTraceEnabled())
- log.trace("Node roles enabled.");
- }
+ addUserDirectory(userDirectory);
- Dictionary<String, ?> currentState() {
- Dictionary<String, Object> res = new Hashtable<String, Object>();
- for (LdapName name : userAdmins.keySet()) {
- StringBuilder buf = new StringBuilder();
- if (userAdmins.get(name) instanceof UserDirectory) {
- UserDirectory userDirectory = (UserDirectory) userAdmins
- .get(name);
- String uri = UserAdminConf.propertiesAsUri(
- userDirectory.getProperties()).toString();
- res.put(uri, "");
- } else {
- buf.append('/').append(name.toString())
- .append("?readOnly=true");
- }
+ // OSGi
+ LdapName baseDn = userDirectory.getBaseDn();
+ Dictionary<String, Object> regProps = new Hashtable<>();
+ regProps.put(Constants.SERVICE_PID, pid);
+ if (isSystemRolesBaseDn(baseDn))
+ regProps.put(Constants.SERVICE_RANKING, Integer.MAX_VALUE);
+ regProps.put(UserAdminConf.baseDn.name(), baseDn);
+ // ServiceRegistration<UserDirectory> reg =
+ // bc.registerService(UserDirectory.class, userDirectory, regProps);
+ Activator.registerService(UserDirectory.class, userDirectory, regProps);
+ pidToBaseDn.put(pid, baseDn);
+ // pidToServiceRegs.put(pid, reg);
+
+ if (log.isDebugEnabled()) {
+ log.debug("User directory " + userDirectory.getBaseDn() + (u != null ? " [" + u.getScheme() + "]" : "")
+ + " enabled." + (realm != null ? " " + realm + " realm." : ""));
}
- return res;
- }
- public void destroy() {
- for (LdapName name : userAdmins.keySet()) {
- if (userAdmins.get(name) instanceof UserDirectory) {
- UserDirectory userDirectory = (UserDirectory) userAdmins
- .get(name);
- userDirectory.destroy();
- }
+ if (isSystemRolesBaseDn(baseDn)) {
+ // publishes only when system roles are available
+ Dictionary<String, Object> userAdminregProps = new Hashtable<>();
+ userAdminregProps.put(NodeConstants.CN, NodeConstants.DEFAULT);
+ userAdminregProps.put(Constants.SERVICE_RANKING, Integer.MAX_VALUE);
+ Activator.registerService(UserAdmin.class, this, userAdminregProps);
}
- }
- @Override
- public Role createRole(String name, int type) {
- return findUserAdmin(name).createRole(name, type);
+// if (isSystemRolesBaseDn(baseDn))
+// systemRolesAvailable = true;
+//
+// // start publishing only when system roles are available
+// if (systemRolesAvailable) {
+// // The list of baseDns is published as properties
+// // TODO clients should rather reference USerDirectory services
+// if (userAdminReg != null)
+// userAdminReg.unregister();
+// // register self as main user admin
+// Dictionary<String, Object> userAdminregProps = currentState();
+// userAdminregProps.put(NodeConstants.CN, NodeConstants.DEFAULT);
+// userAdminregProps.put(Constants.SERVICE_RANKING, Integer.MAX_VALUE);
+// userAdminReg = bc.registerService(UserAdmin.class, this, userAdminregProps);
+// }
}
@Override
- public boolean removeRole(String name) {
- boolean actuallyDeleted = findUserAdmin(name).removeRole(name);
- nodeRoles.removeRole(name);
- return actuallyDeleted;
+ public void deleted(String pid) {
+ // assert pidToServiceRegs.get(pid) != null;
+ assert pidToBaseDn.get(pid) != null;
+ // pidToServiceRegs.remove(pid).unregister();
+ LdapName baseDn = pidToBaseDn.remove(pid);
+ removeUserDirectory(baseDn);
}
@Override
- public Role getRole(String name) {
- return findUserAdmin(name).getRole(name);
+ public String getName() {
+ return "Node User Admin";
}
@Override
- public Role[] getRoles(String filter) throws InvalidSyntaxException {
- List<Role> res = new ArrayList<Role>();
- for (UserAdmin userAdmin : userAdmins.values()) {
- res.addAll(Arrays.asList(userAdmin.getRoles(filter)));
+ protected void addAbstractSystemRoles(Authorization rawAuthorization, Set<String> sysRoles) {
+ if (rawAuthorization.getName() == null) {
+ sysRoles.add(NodeConstants.ROLE_ANONYMOUS);
+ } else {
+ sysRoles.add(NodeConstants.ROLE_USER);
}
- res.addAll(Arrays.asList(nodeRoles.getRoles(filter)));
- return res.toArray(new Role[res.size()]);
}
- @Override
- public User getUser(String key, String value) {
- List<User> res = new ArrayList<User>();
- for (UserAdmin userAdmin : userAdmins.values()) {
- User u = userAdmin.getUser(key, value);
- if (u != null)
- res.add(u);
+ protected void postAdd(AbstractUserDirectory userDirectory) {
+ // JTA
+ TransactionManager tm = tmTracker != null ? tmTracker.getService() : null;
+ if (tm == null)
+ throw new IllegalStateException("A JTA transaction manager must be available.");
+ userDirectory.setTransactionManager(tm);
+// if (tmTracker.getService() instanceof BitronixTransactionManager)
+// EhCacheXAResourceProducer.registerXAResource(cacheName, userDirectory.getXaResource());
+
+ Object realm = userDirectory.getProperties().get(UserAdminConf.realm.name());
+ if (realm != null) {
+ if (Files.exists(nodeKeyTab)) {
+ String servicePrincipal = getKerberosServicePrincipal(realm.toString());
+ if (servicePrincipal != null) {
+ CallbackHandler callbackHandler = new CallbackHandler() {
+ @Override
+ public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
+ for (Callback callback : callbacks)
+ if (callback instanceof NameCallback)
+ ((NameCallback) callback).setName(servicePrincipal);
+
+ }
+ };
+ try {
+ LoginContext nodeLc = new LoginContext(NodeConstants.LOGIN_CONTEXT_NODE, callbackHandler);
+ nodeLc.login();
+ acceptorCredentials = logInAsAcceptor(nodeLc.getSubject(), servicePrincipal);
+ } catch (LoginException e) {
+ throw new IllegalStateException("Cannot log in kernel", e);
+ }
+ }
+ }
+
+ // Register client-side SPNEGO auth scheme
+ AuthPolicy.registerAuthScheme(SpnegoAuthScheme.NAME, SpnegoAuthScheme.class);
+ HttpParams params = DefaultHttpParams.getDefaultParams();
+ ArrayList<String> schemes = new ArrayList<>();
+ schemes.add(SpnegoAuthScheme.NAME);// SPNEGO preferred
+ // schemes.add(AuthPolicy.BASIC);// incompatible with Basic
+ params.setParameter(AuthPolicy.AUTH_SCHEME_PRIORITY, schemes);
+ params.setParameter(CredentialsProvider.PROVIDER, new HttpCredentialProvider());
+ params.setParameter(HttpMethodParams.COOKIE_POLICY, KernelConstants.COOKIE_POLICY_BROWSER_COMPATIBILITY);
+ // params.setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
}
- // Note: node roles cannot contain users, so it is not searched
- return res.size() == 1 ? res.get(0) : null;
}
- @Override
- public Authorization getAuthorization(User user) {
- if (user == null) {
- return nodeRoles.getAuthorization(null);
- }
- UserAdmin userAdmin = findUserAdmin(user.getName());
- Authorization rawAuthorization = userAdmin.getAuthorization(user);
- // gather system roles
- Set<String> systemRoles = new HashSet<String>();
- for (String role : rawAuthorization.getRoles()) {
- Authorization auth = nodeRoles.getAuthorization((User) userAdmin
- .getRole(role));
- systemRoles.addAll(Arrays.asList(auth.getRoles()));
+ protected void preDestroy(AbstractUserDirectory userDirectory) {
+// if (tmTracker.getService() instanceof BitronixTransactionManager)
+// EhCacheXAResourceProducer.unregisterXAResource(cacheName, userDirectory.getXaResource());
+
+ Object realm = userDirectory.getProperties().get(UserAdminConf.realm.name());
+ if (realm != null) {
+ if (acceptorCredentials != null) {
+ try {
+ acceptorCredentials.dispose();
+ } catch (GSSException e) {
+ // silent
+ }
+ acceptorCredentials = null;
+ }
}
- return new NodeAuthorization(rawAuthorization.getName(),
- rawAuthorization.toString(), systemRoles,
- rawAuthorization.getRoles());
}
- //
- // USER ADMIN AGGREGATOR
- //
- public synchronized void addUserAdmin(String baseDn, UserAdmin userAdmin) {
- if (baseDn.equals(KernelHeader.ROLES_BASEDN)) {
- nodeRoles = userAdmin;
- return;
+ private String getKerberosServicePrincipal(String realm) {
+ String hostname;
+ try (DnsBrowser dnsBrowser = new DnsBrowser()) {
+ InetAddress localhost = InetAddress.getLocalHost();
+ hostname = localhost.getHostName();
+ String dnsZone = hostname.substring(hostname.indexOf('.') + 1);
+ String ipfromDns = dnsBrowser.getRecord(hostname, localhost instanceof Inet6Address ? "AAAA" : "A");
+ boolean consistentIp = localhost.getHostAddress().equals(ipfromDns);
+ String kerberosDomain = dnsBrowser.getRecord("_kerberos." + dnsZone, "TXT");
+ if (consistentIp && kerberosDomain != null && kerberosDomain.equals(realm) && Files.exists(nodeKeyTab)) {
+ return KernelConstants.DEFAULT_KERBEROS_SERVICE + "/" + hostname + "@" + kerberosDomain;
+ } else
+ return null;
+ } catch (Exception e) {
+ log.warn("Exception when determining kerberos principal", e);
+ return null;
}
+ }
- if (userAdmins.containsKey(baseDn))
- throw new UserDirectoryException(
- "There is already a user admin for " + baseDn);
- try {
- userAdmins.put(new LdapName(baseDn), userAdmin);
- } catch (InvalidNameException e) {
- throw new UserDirectoryException("Badly formatted base DN "
- + baseDn, e);
+ private GSSCredential logInAsAcceptor(Subject subject, String servicePrincipal) {
+ // GSS
+ Iterator<KerberosPrincipal> krb5It = subject.getPrincipals(KerberosPrincipal.class).iterator();
+ if (!krb5It.hasNext())
+ return null;
+ KerberosPrincipal krb5Principal = null;
+ while (krb5It.hasNext()) {
+ KerberosPrincipal principal = krb5It.next();
+ if (principal.getName().equals(servicePrincipal))
+ krb5Principal = principal;
}
- }
- public synchronized void removeUserAdmin(String baseDn) {
- if (baseDn.equals(KernelHeader.ROLES_BASEDN))
- throw new UserDirectoryException("Node roles cannot be removed.");
- LdapName base;
+ if (krb5Principal == null)
+ return null;
+
+ GSSManager manager = GSSManager.getInstance();
try {
- base = new LdapName(baseDn);
- } catch (InvalidNameException e) {
- throw new UserDirectoryException("Badly formatted base DN "
- + baseDn, e);
+ GSSName gssName = manager.createName(krb5Principal.getName(), null);
+ GSSCredential serverCredentials = Subject.doAs(subject, new PrivilegedExceptionAction<GSSCredential>() {
+
+ @Override
+ public GSSCredential run() throws GSSException {
+ return manager.createCredential(gssName, GSSCredential.INDEFINITE_LIFETIME, KERBEROS_OID,
+ GSSCredential.ACCEPT_ONLY);
+
+ }
+
+ });
+ if (log.isDebugEnabled())
+ log.debug("GSS acceptor configured for " + krb5Principal);
+ return serverCredentials;
+ } catch (Exception gsse) {
+ throw new IllegalStateException("Cannot create acceptor credentials for " + krb5Principal, gsse);
}
- if (!userAdmins.containsKey(base))
- throw new UserDirectoryException("There is no user admin for "
- + base);
- userAdmins.remove(base);
}
- private UserAdmin findUserAdmin(String name) {
- try {
- return findUserAdmin(new LdapName(name));
- } catch (InvalidNameException e) {
- throw new UserDirectoryException("Badly formatted name " + name, e);
- }
+ public GSSCredential getAcceptorCredentials() {
+ return acceptorCredentials;
}
- private UserAdmin findUserAdmin(LdapName name) {
- if (name.startsWith(ROLES_BASE))
- return nodeRoles;
- List<UserAdmin> res = new ArrayList<UserAdmin>(1);
- for (LdapName baseDn : userAdmins.keySet()) {
- if (name.startsWith(baseDn))
- res.add(userAdmins.get(baseDn));
- }
- if (res.size() == 0)
- throw new UserDirectoryException("Cannot find user admin for "
- + name);
- if (res.size() > 1)
- throw new UserDirectoryException("Multiple user admin found for "
- + name);
- return res.get(0);
+ public boolean isSingleUser() {
+ return singleUser;
}
- public void setTransactionManager(TransactionManager transactionManager) {
- if (nodeRoles instanceof UserDirectory)
- ((UserDirectory) nodeRoles)
- .setTransactionManager(transactionManager);
- for (UserAdmin userAdmin : userAdmins.values()) {
- if (userAdmin instanceof UserDirectory)
- ((UserDirectory) userAdmin)
- .setTransactionManager(transactionManager);
+ public final static Oid KERBEROS_OID;
+ static {
+ try {
+ KERBEROS_OID = new Oid("1.3.6.1.5.5.2");
+ } catch (GSSException e) {
+ throw new IllegalStateException("Cannot create Kerberos OID", e);
}
}
+
}
projects / lgpl / argeo-commons.git / blobdiff