+++ /dev/null
-package org.argeo.cms.internal.auth;
-
-import java.security.Principal;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
-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.PasswordCallback;
-import javax.security.auth.login.CredentialNotFoundException;
-import javax.security.auth.login.LoginException;
-import javax.security.auth.spi.LoginModule;
-import javax.security.auth.x500.X500Principal;
-
-import org.apache.jackrabbit.core.security.AnonymousPrincipal;
-import org.apache.jackrabbit.core.security.SecurityConstants;
-import org.apache.jackrabbit.core.security.principal.AdminPrincipal;
-import org.argeo.cms.CmsException;
-import org.argeo.cms.KernelHeader;
-import org.argeo.cms.internal.kernel.Activator;
-import org.osgi.framework.BundleContext;
-import org.osgi.service.useradmin.Authorization;
-import org.osgi.service.useradmin.User;
-import org.osgi.service.useradmin.UserAdmin;
-
-public class UserAdminLoginModule implements LoginModule {
- private Subject subject;
- private CallbackHandler callbackHandler;
- private boolean isAnonymous = false;
-
- private final static LdapName ROLE_KERNEL_NAME, ROLE_ADMIN_NAME,
- ROLE_ANONYMOUS_NAME, ROLE_USER_NAME;
- private final static List<LdapName> RESERVED_ROLES;
- private final static X500Principal ROLE_ANONYMOUS_PRINCIPAL;
- static {
- try {
- ROLE_KERNEL_NAME = new LdapName(KernelHeader.ROLE_KERNEL);
- ROLE_ADMIN_NAME = new LdapName(KernelHeader.ROLE_ADMIN);
- ROLE_USER_NAME = new LdapName(KernelHeader.ROLE_USER);
- ROLE_ANONYMOUS_NAME = new LdapName(KernelHeader.ROLE_ANONYMOUS);
- RESERVED_ROLES = Collections.unmodifiableList(Arrays
- .asList(new LdapName[] { ROLE_KERNEL_NAME, ROLE_ADMIN_NAME,
- ROLE_ANONYMOUS_NAME, ROLE_USER_NAME,
- new LdapName(KernelHeader.ROLE_GROUP_ADMIN),
- new LdapName(KernelHeader.ROLE_USER_ADMIN) }));
- ROLE_ANONYMOUS_PRINCIPAL = new X500Principal(
- ROLE_ANONYMOUS_NAME.toString());
- } catch (InvalidNameException e) {
- throw new Error("Cannot initialize login module class", e);
- }
- }
-
- private Authorization authorization;
-
- @Override
- public void initialize(Subject subject, CallbackHandler callbackHandler,
- Map<String, ?> sharedState, Map<String, ?> options) {
- try {
- this.subject = subject;
- this.callbackHandler = callbackHandler;
- if (options.containsKey("anonymous"))
- isAnonymous = Boolean.parseBoolean(options.get("anonymous")
- .toString());
- // String ldifFile = options.get("ldifFile").toString();
- // InputStream in = new URL(ldifFile).openStream();
- // userAdmin = new LdifUserAdmin(in);
- } catch (Exception e) {
- throw new CmsException("Cannot initialize login module", e);
- }
- }
-
- @Override
- public boolean login() throws LoginException {
- // TODO use a callback in order to get the bundle context
- BundleContext bc = Activator.getBundleContext();
- UserAdmin userAdmin = bc.getService(bc
- .getServiceReference(UserAdmin.class));
- final User user;
-
- if (!isAnonymous) {
- // ask for username and password
- NameCallback nameCallback = new NameCallback("User");
- PasswordCallback passwordCallback = new PasswordCallback(
- "Password", false);
- // handle callbacks
- try {
- callbackHandler.handle(new Callback[] { nameCallback,
- passwordCallback });
- } catch (Exception e) {
- throw new CmsException("Cannot handle callbacks", e);
- }
-
- // create credentials
- final String username = nameCallback.getName();
- if (username == null || username.trim().equals(""))
- throw new CredentialNotFoundException("No credentials provided");
-
- char[] password = {};
- if (passwordCallback.getPassword() != null)
- password = passwordCallback.getPassword();
- else
- throw new CredentialNotFoundException("No credentials provided");
-
- user = userAdmin.getUser(null, username);
- if (user == null)
- return false;
- if (!user.hasCredential(null, password))
- return false;
- } else
- // anonymous
- user = null;
- this.authorization = userAdmin.getAuthorization(user);
- return true;
- }
-
- @Override
- public boolean commit() throws LoginException {
- if (authorization != null) {
- Set<Principal> principals = subject.getPrincipals();
- try {
- String authName = authorization.getName();
-
- // determine user's principal
- final LdapName name;
- final Principal userPrincipal;
- if (authName == null) {
- name = ROLE_ANONYMOUS_NAME;
- userPrincipal = ROLE_ANONYMOUS_PRINCIPAL;
- principals.add(userPrincipal);
- principals.add(new AnonymousPrincipal());
- } else {
- name = new LdapName(authName);
- checkUserName(name);
- userPrincipal = new X500Principal(name.toString());
- principals.add(userPrincipal);
- principals.add(new ImpliedByPrincipal(ROLE_USER_NAME,
- userPrincipal));
- }
-
- // Add roles provided by authorization
- for (String role : authorization.getRoles()) {
- LdapName roleName = new LdapName(role);
- if (roleName.equals(name)) {
- // skip
- } else {
- checkImpliedPrincipalName(roleName);
- principals.add(new ImpliedByPrincipal(roleName
- .toString(), userPrincipal));
- if (roleName.equals(ROLE_ADMIN_NAME))
- principals.add(new AdminPrincipal(
- SecurityConstants.ADMIN_ID));
- }
- }
-
- return true;
- } catch (InvalidNameException e) {
- throw new CmsException("Cannot commit", e);
- }
- } else
- return false;
- }
-
- @Override
- public boolean abort() throws LoginException {
- cleanUp();
- return true;
- }
-
- @Override
- public boolean logout() throws LoginException {
- // TODO better deal with successive logout
- if (subject == null)
- return true;
- // TODO make it less brutal
- subject.getPrincipals().removeAll(
- subject.getPrincipals(X500Principal.class));
- subject.getPrincipals().removeAll(
- subject.getPrincipals(ImpliedByPrincipal.class));
- cleanUp();
- return true;
- }
-
- private void cleanUp() {
- subject = null;
- authorization = null;
- }
-
- private void checkUserName(LdapName name) {
- if (RESERVED_ROLES.contains(name))
- throw new CmsException(name + " is a reserved name");
- }
-
- private void checkImpliedPrincipalName(LdapName roleName) {
- if (ROLE_USER_NAME.equals(roleName)
- || ROLE_ANONYMOUS_NAME.equals(roleName)
- || ROLE_KERNEL_NAME.equals(roleName))
- throw new CmsException(roleName + " cannot be listed as role");
- }
-}
projects / lgpl / argeo-commons.git / blobdiff