package org.argeo.cms.auth;
+import static org.argeo.api.acr.ldap.LdapAttrs.cn;
+
import java.io.IOException;
-import java.util.Iterator;
+import java.security.PrivilegedAction;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
+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.PasswordCallback;
import javax.security.auth.callback.UnsupportedCallbackException;
+import javax.security.auth.kerberos.KerberosPrincipal;
import javax.security.auth.login.CredentialNotFoundException;
import javax.security.auth.login.LoginException;
import javax.security.auth.spi.LoginModule;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpSession;
-
-import org.argeo.ArgeoException;
-import org.argeo.cms.internal.kernel.Activator;
-import org.argeo.eclipse.ui.specific.UiContext;
-import org.osgi.framework.BundleContext;
-import org.osgi.service.http.HttpContext;
+
+import org.argeo.api.acr.ldap.LdapAttrs;
+import org.argeo.api.cms.CmsConstants;
+import org.argeo.api.cms.CmsLog;
+import org.argeo.cms.directory.ldap.IpaUtils;
+import org.argeo.cms.internal.runtime.CmsContextImpl;
+import org.argeo.cms.osgi.useradmin.AuthenticatingUser;
+import org.argeo.cms.osgi.useradmin.TokenUtils;
import org.osgi.service.useradmin.Authorization;
+import org.osgi.service.useradmin.Group;
import org.osgi.service.useradmin.User;
import org.osgi.service.useradmin.UserAdmin;
-public class UserAdminLoginModule implements LoginModule, AuthConstants {
+/**
+ * Use the {@link UserAdmin} in the OSGi registry as the basis for
+ * authentication.
+ */
+public class UserAdminLoginModule implements LoginModule {
+ private final static CmsLog log = CmsLog.getLog(UserAdminLoginModule.class);
+
private Subject subject;
private CallbackHandler callbackHandler;
- private boolean isAnonymous = false;
+ private Map<String, Object> sharedState = null;
+
+ private List<String> indexedUserProperties = Arrays.asList(new String[] { LdapAttrs.mail.name(),
+ LdapAttrs.uid.name(), LdapAttrs.employeeNumber.name(), LdapAttrs.authPassword.name() });
+
+ // private state
+// private BundleContext bc;
+ private User authenticatedUser = null;
+ private Locale locale;
+
+ private Authorization bindAuthorization = null;
- private HttpServletRequest request = null;
+// private boolean singleUser = Activator.isSingleUser();
+ @SuppressWarnings("unchecked")
@Override
- public void initialize(Subject subject, CallbackHandler callbackHandler,
- Map<String, ?> sharedState, Map<String, ?> options) {
+ public void initialize(Subject subject, CallbackHandler callbackHandler, Map<String, ?> sharedState,
+ Map<String, ?> options) {
+ this.subject = subject;
try {
- this.subject = subject;
+// bc = FrameworkUtil.getBundle(UserAdminLoginModule.class).getBundleContext();
this.callbackHandler = callbackHandler;
- if (options.containsKey("anonymous"))
- isAnonymous = Boolean.parseBoolean(options.get("anonymous")
- .toString());
+ this.sharedState = (Map<String, Object>) sharedState;
} catch (Exception e) {
- throw new ArgeoException("Cannot initialize login module", e);
+ throw new IllegalStateException("Cannot initialize login module", e);
}
}
@Override
public boolean login() throws LoginException {
- BundleContext bc = Activator.getBundleContext();
- UserAdmin userAdmin = bc.getService(bc
- .getServiceReference(UserAdmin.class));
- Authorization authorization = null;
- if (isAnonymous) {
- authorization = userAdmin.getAuthorization(null);
+ UserAdmin userAdmin = CmsContextImpl.getCmsContext().getUserAdmin();
+ final String username;
+ final char[] password;
+ Object certificateChain = null;
+ boolean preauth = false;
+ if (sharedState.containsKey(CmsAuthUtils.SHARED_STATE_NAME)
+ && sharedState.containsKey(CmsAuthUtils.SHARED_STATE_PWD)) {
+ // NB: required by Basic http auth
+ username = (String) sharedState.get(CmsAuthUtils.SHARED_STATE_NAME);
+ password = (char[]) sharedState.get(CmsAuthUtils.SHARED_STATE_PWD);
+ // // TODO locale?
+ } else if (sharedState.containsKey(CmsAuthUtils.SHARED_STATE_NAME)
+ && sharedState.containsKey(CmsAuthUtils.SHARED_STATE_SPNEGO_TOKEN)) {
+ // SPNEGO login has succeeded, that's enough for us at this stage
+ return true;
+ } else if (sharedState.containsKey(CmsAuthUtils.SHARED_STATE_NAME)
+ && sharedState.containsKey(CmsAuthUtils.SHARED_STATE_CERTIFICATE_CHAIN)) {
+ String certDn = (String) sharedState.get(CmsAuthUtils.SHARED_STATE_NAME);
+ username = certDn;
+ certificateChain = sharedState.get(CmsAuthUtils.SHARED_STATE_CERTIFICATE_CHAIN);
+ password = null;
+ } else if (sharedState.containsKey(CmsAuthUtils.SHARED_STATE_NAME)
+ && sharedState.containsKey(CmsAuthUtils.SHARED_STATE_REMOTE_ADDR)
+ && sharedState.containsKey(CmsAuthUtils.SHARED_STATE_REMOTE_PORT)) {// ident
+ username = (String) sharedState.get(CmsAuthUtils.SHARED_STATE_NAME);
+ password = null;
+ preauth = true;
} else {
- HttpRequestCallback httpCallback = new HttpRequestCallback();
+
// ask for username and password
NameCallback nameCallback = new NameCallback("User");
- PasswordCallback passwordCallback = new PasswordCallback(
- "Password", false);
+ PasswordCallback passwordCallback = new PasswordCallback("Password", false);
LanguageCallback langCallback = new LanguageCallback();
try {
- callbackHandler.handle(new Callback[] { httpCallback,
- nameCallback, passwordCallback, langCallback });
+ callbackHandler.handle(new Callback[] { nameCallback, passwordCallback, langCallback });
} catch (IOException e) {
- throw new LoginException("Cannot handle http callback: "
- + e.getMessage());
+ throw new LoginException("Cannot handle callback: " + e.getMessage());
} catch (UnsupportedCallbackException e) {
return false;
}
- request = httpCallback.getRequest();
- if (request != null) {
- authorization = (Authorization) request
- .getAttribute(HttpContext.AUTHORIZATION);
- if (authorization == null)
- authorization = (Authorization) request.getSession()
- .getAttribute(HttpContext.AUTHORIZATION);
- }
// i18n
- Locale locale = langCallback.getLocale();
+ locale = langCallback.getLocale();
if (locale == null)
locale = Locale.getDefault();
- UiContext.setLocale(locale);
-
- if (authorization == null) {
- // create credentials
- final String username = nameCallback.getName();
- if (username == null || username.trim().equals("")) {
- // authorization = userAdmin.getAuthorization(null);
- throw new CredentialNotFoundException(
- "No credentials provided");
- } else {
- char[] password = {};
- if (passwordCallback.getPassword() != null)
- password = passwordCallback.getPassword();
- else
- throw new CredentialNotFoundException(
- "No credentials provided");
-
- User user = userAdmin.getUser(null, username);
- if (user == null)
- return false;
- if (!user.hasCredential(null, password))
- return false;
- authorization = userAdmin.getAuthorization(user);
+ // FIXME add it to Subject
+ // Locale.setDefault(locale);
+
+ username = nameCallback.getName();
+ if (username == null || username.trim().equals("")) {
+ // authorization = userAdmin.getAuthorization(null);
+ throw new CredentialNotFoundException("No credentials provided");
+ }
+ if (passwordCallback.getPassword() != null)
+ password = passwordCallback.getPassword();
+ else
+ throw new CredentialNotFoundException("No credentials provided");
+ sharedState.put(CmsAuthUtils.SHARED_STATE_NAME, username);
+ sharedState.put(CmsAuthUtils.SHARED_STATE_PWD, password);
+ }
+ User user = searchForUser(userAdmin, username);
+
+ // Tokens
+ if (user == null) {
+ String token = username;
+ Group tokenGroup = searchForToken(userAdmin, token);
+ if (tokenGroup != null) {
+ Authorization tokenAuthorization = getAuthorizationFromToken(userAdmin, tokenGroup);
+ if (tokenAuthorization != null) {
+ bindAuthorization = tokenAuthorization;
+ authenticatedUser = (User) userAdmin.getRole(bindAuthorization.getName());
+ return true;
+ }
+ }
+ }
+
+ if (user == null)
+ return true;// expect Kerberos
+
+ if (password != null) {
+ // TODO disabling bind for the time being,
+ // as it requires authorisations to be set at LDAP level
+ boolean tryBind = false;
+ // try bind first
+ if (tryBind)
+ try {
+ AuthenticatingUser authenticatingUser = new AuthenticatingUser(user.getName(), password);
+ bindAuthorization = userAdmin.getAuthorization(authenticatingUser);
+ // TODO check tokens as well
+ if (bindAuthorization != null) {
+ authenticatedUser = user;
+ return true;
+ }
+ } catch (Exception e) {
+ // silent
+ if (log.isTraceEnabled())
+ log.trace("Bind failed", e);
}
+
+ // works only if a connection password is provided
+ if (!user.hasCredential(null, password)) {
+ return false;
}
- // } else {
- // authorization = userAdmin.getAuthorization(null);
- // }
+ } else if (certificateChain != null) {
+ // TODO check CRLs/OSCP validity?
+ // NB: authorization in commit() will work only if an LDAP connection password
+ // is provided
+// } else if (singleUser) {
+// // TODO verify IP address?
+ } else if (preauth) {
+ // ident
+ } else {
+ throw new CredentialNotFoundException("No credentials provided");
}
- subject.getPrivateCredentials().add(authorization);
+
+ authenticatedUser = user;
return true;
}
@Override
public boolean commit() throws LoginException {
- Authorization authorization = subject
- .getPrivateCredentials(Authorization.class).iterator().next();
- if (request != null) {
- request.setAttribute(HttpContext.REMOTE_USER,
- authorization.getName());
- request.setAttribute(HttpContext.AUTHORIZATION, authorization);
- request.getSession().setAttribute(HttpContext.AUTHORIZATION,
- authorization);
- subject.getPrivateCredentials().add(request.getSession());
+ if (locale != null)
+ subject.getPublicCredentials().add(locale);
+
+// if (singleUser) {
+// OsUserUtils.loginAsSystemUser(subject);
+// }
+ UserAdmin userAdmin = CmsContextImpl.getCmsContext().getUserAdmin();
+ Authorization authorization;
+ if (callbackHandler == null) {// anonymous
+ authorization = userAdmin.getAuthorization(null);
+ } else if (bindAuthorization != null) {// bind
+ authorization = bindAuthorization;
+ } else {// Kerberos
+ User authenticatingUser;
+ Set<KerberosPrincipal> kerberosPrincipals = subject.getPrincipals(KerberosPrincipal.class);
+ if (kerberosPrincipals.isEmpty()) {
+ if (authenticatedUser == null) {
+ if (log.isTraceEnabled())
+ log.trace("Neither kerberos nor user admin login succeeded. Login failed.");
+ throw new CredentialNotFoundException("Bad credentials.");
+ } else {
+ authenticatingUser = authenticatedUser;
+ }
+ } else {
+ KerberosPrincipal kerberosPrincipal = kerberosPrincipals.iterator().next();
+ LdapName dn = IpaUtils.kerberosToDn(kerberosPrincipal.getName());
+ authenticatingUser = new AuthenticatingUser(dn);
+ if (authenticatedUser != null && !authenticatingUser.getName().equals(authenticatedUser.getName()))
+ throw new LoginException("Kerberos login " + authenticatingUser.getName()
+ + " is inconsistent with user admin login " + authenticatedUser.getName());
+ }
+ if (log.isTraceEnabled())
+ log.trace("Retrieve authorization for " + authenticatingUser + "... ");
+ authorization = Subject.doAs(subject, new PrivilegedAction<Authorization>() {
+
+ @Override
+ public Authorization run() {
+ Authorization authorization = userAdmin.getAuthorization(authenticatingUser);
+ return authorization;
+ }
+
+ });
+ if (authorization == null)
+ throw new LoginException(
+ "User admin found no authorization for authenticated user " + authenticatingUser.getName());
}
+
+ // Log and monitor new login
+ RemoteAuthRequest request = (RemoteAuthRequest) sharedState.get(CmsAuthUtils.SHARED_STATE_HTTP_REQUEST);
+ CmsAuthUtils.addAuthorization(subject, authorization);
+
+ // Unlock keyring (underlying login to the JCR repository)
+// char[] password = (char[]) sharedState.get(CmsAuthUtils.SHARED_STATE_PWD);
+// if (password != null) {
+// ServiceReference<CryptoKeyring> keyringSr = bc.getServiceReference(CryptoKeyring.class);
+// if (keyringSr != null) {
+// CryptoKeyring keyring = bc.getService(keyringSr);
+// Subject.doAs(subject, new PrivilegedAction<Void>() {
+//
+// @Override
+// public Void run() {
+// try {
+// keyring.unlock(password);
+// } catch (Exception e) {
+// e.printStackTrace();
+// log.warn("Could not unlock keyring with the password provided by " + authorization.getName()
+// + ": " + e.getMessage());
+// }
+// return null;
+// }
+//
+// });
+// }
+// }
+
+ // Register CmsSession with initial subject
+ CmsAuthUtils.registerSessionAuthorization(request, subject, authorization, locale);
+
+ if (log.isDebugEnabled())
+ log.debug("Logged in to CMS: " + subject);
return true;
}
@Override
public boolean abort() throws LoginException {
- cleanUp();
return true;
}
@Override
public boolean logout() throws LoginException {
- Set<HttpSession> httpSession = subject
- .getPrivateCredentials(HttpSession.class);
- Iterator<HttpSession> it = httpSession.iterator();
- while (it.hasNext()) {
- HttpSession sess = it.next();
- sess.setAttribute(HttpContext.AUTHORIZATION, null);
- // sess.setMaxInactiveInterval(1);// invalidate session
- }
- subject.getPrivateCredentials().removeAll(httpSession);
- cleanUp();
+ if (log.isTraceEnabled())
+ log.trace("Logging out from CMS... " + subject);
+ CmsAuthUtils.cleanUp(subject);
return true;
}
- private void cleanUp() {
- subject.getPrivateCredentials().removeAll(
- subject.getPrivateCredentials(Authorization.class));
- subject = null;
+ protected User searchForUser(UserAdmin userAdmin, String providedUsername) {
+ try {
+ // TODO check value null or empty
+ Set<User> collectedUsers = new HashSet<>();
+ // try dn
+ User user = null;
+ user = null;
+ // try all indexes
+ for (String attr : indexedUserProperties) {
+ user = userAdmin.getUser(attr, providedUsername);
+ if (user != null)
+ collectedUsers.add(user);
+ }
+ if (collectedUsers.size() == 1) {
+ user = collectedUsers.iterator().next();
+ return user;
+ } else if (collectedUsers.size() > 1) {
+ log.warn(collectedUsers.size() + " users for provided username" + providedUsername);
+ }
+ // try DN as a last resort
+ try {
+ user = (User) userAdmin.getRole(providedUsername);
+ if (user != null)
+ return user;
+ } catch (Exception e) {
+ // silent
+ }
+ return null;
+ } catch (Exception e) {
+ if (log.isTraceEnabled())
+ log.warn("Cannot search for user " + providedUsername, e);
+ return null;
+ }
+
}
+ protected Group searchForToken(UserAdmin userAdmin, String token) {
+ String dn = cn + "=" + token + "," + CmsConstants.TOKENS_BASEDN;
+ Group tokenGroup = (Group) userAdmin.getRole(dn);
+ return tokenGroup;
+ }
+
+ protected Authorization getAuthorizationFromToken(UserAdmin userAdmin, Group tokenGroup) {
+ if (TokenUtils.isExpired(tokenGroup))
+ return null;
+// String expiryDateStr = (String) tokenGroup.getProperties().get(description.name());
+// if (expiryDateStr != null) {
+// Instant expiryDate = NamingUtils.ldapDateToInstant(expiryDateStr);
+// if (expiryDate.isBefore(Instant.now())) {
+// if (log.isDebugEnabled())
+// log.debug("Token " + tokenGroup.getName() + " has expired.");
+// return null;
+// }
+// }
+ String userDn = TokenUtils.userDn(tokenGroup);
+ User user = (User) userAdmin.getRole(userDn);
+ Authorization auth = userAdmin.getAuthorization(user);
+ return auth;
+ }
}