IPA authentication working.
[lgpl/argeo-commons.git] / org.argeo.cms / src / org / argeo / cms / auth / UserAdminLoginModule.java
index 68a08c5d95feb953a17b34e9080d83695fb6ca5d..4057b26af800e042d6fc1076ec89ad2f5ee7be63 100644 (file)
@@ -1,5 +1,7 @@
 package org.argeo.cms.auth;
 
+import static org.argeo.naming.LdapAttrs.cn;
+
 import java.io.IOException;
 import java.security.PrivilegedAction;
 import java.util.Arrays;
@@ -25,16 +27,26 @@ import javax.servlet.http.HttpServletRequest;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
-import org.argeo.cms.CmsException;
+import org.argeo.api.NodeConstants;
+import org.argeo.api.security.CryptoKeyring;
+import org.argeo.cms.internal.kernel.Activator;
 import org.argeo.naming.LdapAttrs;
 import org.argeo.osgi.useradmin.AuthenticatingUser;
 import org.argeo.osgi.useradmin.IpaUtils;
+import org.argeo.osgi.useradmin.OsUserUtils;
+import org.argeo.osgi.useradmin.TokenUtils;
 import org.osgi.framework.BundleContext;
 import org.osgi.framework.FrameworkUtil;
+import org.osgi.framework.ServiceReference;
 import org.osgi.service.useradmin.Authorization;
+import org.osgi.service.useradmin.Group;
 import org.osgi.service.useradmin.User;
 import org.osgi.service.useradmin.UserAdmin;
 
+/**
+ * Use the {@link UserAdmin} in the OSGi registry as the basis for
+ * authentication.
+ */
 public class UserAdminLoginModule implements LoginModule {
        private final static Log log = LogFactory.getLog(UserAdminLoginModule.class);
 
@@ -52,6 +64,8 @@ public class UserAdminLoginModule implements LoginModule {
 
        private Authorization bindAuthorization = null;
 
+       private boolean singleUser = Activator.isSingleUser();
+
        @SuppressWarnings("unchecked")
        @Override
        public void initialize(Subject subject, CallbackHandler callbackHandler, Map<String, ?> sharedState,
@@ -62,22 +76,50 @@ public class UserAdminLoginModule implements LoginModule {
                        this.callbackHandler = callbackHandler;
                        this.sharedState = (Map<String, Object>) sharedState;
                } catch (Exception e) {
-                       throw new CmsException("Cannot initialize login module", e);
+                       throw new IllegalStateException("Cannot initialize login module", e);
                }
        }
 
        @Override
        public boolean login() throws LoginException {
-               UserAdmin userAdmin = bc.getService(bc.getServiceReference(UserAdmin.class));
+               UserAdmin userAdmin = Activator.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_CERTIFICATE_CHAIN)) {
+                       String certDn = (String) sharedState.get(CmsAuthUtils.SHARED_STATE_NAME);
+//                     LdapName ldapName;
+//                     try {
+//                             ldapName = new LdapName(certificateName);
+//                     } catch (InvalidNameException e) {
+//                             e.printStackTrace();
+//                             return false;
+//                     }
+//                     username = ldapName.getRdn(ldapName.size() - 1).getValue().toString();
+                       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 if (singleUser) {
+                       username = OsUserUtils.getOsUsername();
+                       password = null;
+                       // TODO retrieve from http session
+                       locale = Locale.getDefault();
                } else {
+
                        // ask for username and password
                        NameCallback nameCallback = new NameCallback("User");
                        PasswordCallback passwordCallback = new PasswordCallback("Password", false);
@@ -95,7 +137,7 @@ public class UserAdminLoginModule implements LoginModule {
                        if (locale == null)
                                locale = Locale.getDefault();
                        // FIXME add it to Subject
-                       // UiContext.setLocale(locale);
+                       // Locale.setDefault(locale);
 
                        username = nameCallback.getName();
                        if (username == null || username.trim().equals("")) {
@@ -106,38 +148,73 @@ public class UserAdminLoginModule implements LoginModule {
                                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
-               
-               // try bind first
-               try {
-                       AuthenticatingUser authenticatingUser = new AuthenticatingUser(user.getName(), password);
-                       bindAuthorization = userAdmin.getAuthorization(authenticatingUser);
-                       // TODO check tokens as well
-                       if (bindAuthorization != null) {
-                               authenticatedUser = user;
-                               return true;
+
+               if (password != null) {
+                       // try bind first
+                       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);
                        }
-               } 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;
+
+                       // works only if a connection password is provided
+                       if (!user.hasCredential(null, password)) {
+                               return false;
+                       }
+               } 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");
                }
+
                authenticatedUser = user;
                return true;
        }
 
        @Override
        public boolean commit() throws LoginException {
-               UserAdmin userAdmin = bc.getService(bc.getServiceReference(UserAdmin.class));
+               if (locale != null)
+                       subject.getPublicCredentials().add(locale);
+
+               if (singleUser) {
+                       OsUserUtils.loginAsSystemUser(subject);
+               }
+               UserAdmin userAdmin = Activator.getUserAdmin();
                Authorization authorization;
                if (callbackHandler == null) {// anonymous
                        authorization = userAdmin.getAuthorization(null);
@@ -150,7 +227,7 @@ public class UserAdminLoginModule implements LoginModule {
                                if (authenticatedUser == null) {
                                        if (log.isTraceEnabled())
                                                log.trace("Neither kerberos nor user admin login succeeded. Login failed.");
-                                       return false;
+                                       throw new CredentialNotFoundException("Bad credentials.");
                                } else {
                                        authenticatingUser = authenticatedUser;
                                }
@@ -175,9 +252,38 @@ public class UserAdminLoginModule implements LoginModule {
                                throw new LoginException(
                                                "User admin found no authorization for authenticated user " + authenticatingUser.getName());
                }
+
                // Log and monitor new login
-               CmsAuthUtils.addAuthorization(subject, authorization, locale,
-                               (HttpServletRequest) sharedState.get(CmsAuthUtils.SHARED_STATE_HTTP_REQUEST));
+               HttpServletRequest request = (HttpServletRequest) 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;
@@ -192,8 +298,6 @@ public class UserAdminLoginModule implements LoginModule {
        public boolean logout() throws LoginException {
                if (log.isTraceEnabled())
                        log.trace("Logging out from CMS... " + subject);
-               // boolean httpSessionLogoutOk = CmsAuthUtils.logoutSession(bc,
-               // subject);
                CmsAuthUtils.cleanUp(subject);
                return true;
        }
@@ -204,6 +308,7 @@ public class UserAdminLoginModule implements LoginModule {
                        Set<User> collectedUsers = new HashSet<>();
                        // try dn
                        User user = null;
+                       user = null;
                        // try all indexes
                        for (String attr : indexedUserProperties) {
                                user = userAdmin.getUser(attr, providedUsername);
@@ -232,4 +337,28 @@ public class UserAdminLoginModule implements LoginModule {
                }
 
        }
+
+       protected Group searchForToken(UserAdmin userAdmin, String token) {
+               String dn = cn + "=" + token + "," + NodeConstants.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;
+       }
 }