+/*
+ * Copyright (C) 2007-2012 Mathieu Baudier
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
package org.argeo.security.ldap.jcr;
-import java.security.NoSuchAlgorithmException;
-import java.security.SecureRandom;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Random;
-import java.util.concurrent.Executor;
+import java.util.UUID;
import javax.jcr.Node;
+import javax.jcr.Repository;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
-import javax.jcr.nodetype.NodeType;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
import org.argeo.ArgeoException;
import org.argeo.jcr.ArgeoNames;
import org.argeo.jcr.JcrUtils;
import org.springframework.ldap.core.DirContextAdapter;
import org.springframework.ldap.core.DirContextOperations;
import org.springframework.security.GrantedAuthority;
-import org.springframework.security.context.SecurityContextHolder;
-import org.springframework.security.providers.encoding.PasswordEncoder;
import org.springframework.security.userdetails.UserDetails;
import org.springframework.security.userdetails.ldap.UserDetailsContextMapper;
-/**
- * Maps LDAP attributes and JCR properties. This class is meant to be robust,
- * checks of which values should be mandatory should be performed at a higher
- * level.
- */
+/** Read only mapping from LDAP to user details */
public class JcrUserDetailsContextMapper implements UserDetailsContextMapper,
ArgeoNames {
- private final static Log log = LogFactory
- .getLog(JcrUserDetailsContextMapper.class);
-
- private String usernameAttribute;
- private String passwordAttribute;
- private String homeBasePath;
- private String[] userClasses;
-
- private Map<String, String> propertyToAttributes = new HashMap<String, String>();
- private Executor systemExecutor;
- private Session session;
-
- private PasswordEncoder passwordEncoder;
- private final Random random;
-
- public JcrUserDetailsContextMapper() {
- random = createRandom();
- }
+ /** Admin session on the security workspace */
+ private Session securitySession;
+ private Repository repository;
+ private String securityWorkspace = "security";
- private static Random createRandom() {
+ public void init() {
try {
- return SecureRandom.getInstance("SHA1PRNG");
- } catch (NoSuchAlgorithmException e) {
- return new Random(System.currentTimeMillis());
+ securitySession = repository.login(securityWorkspace);
+ } catch (RepositoryException e) {
+ JcrUtils.logoutQuietly(securitySession);
+ throw new ArgeoException(
+ "Cannot initialize LDAP/JCR user details context mapper", e);
}
}
+ public void destroy() {
+ JcrUtils.logoutQuietly(securitySession);
+ }
+
+ /** Called during authentication in order to retrieve user details */
public UserDetails mapUserFromContext(final DirContextOperations ctx,
final String username, GrantedAuthority[] authorities) {
- // if (repository == null)
- // throw new ArgeoException("No JCR repository registered");
- final StringBuffer userHomePathT = new StringBuffer("");
- Runnable action = new Runnable() {
- public void run() {
- String userHomepath = mapLdapToJcr(username, ctx);
- userHomePathT.append(userHomepath);
- }
- };
-
- if (SecurityContextHolder.getContext().getAuthentication() == null) {
- // authentication
- systemExecutor.execute(action);
- JcrUtils.logoutQuietly(session);
- } else {
- // authenticated user
- action.run();
- }
+ if (ctx == null)
+ throw new ArgeoException("No LDAP information for user " + username);
+ Node userHome = JcrUtils.getUserHome(securitySession, username);
+ if (userHome == null)
+ throw new ArgeoException("No JCR information for user " + username);
// password
- byte[] arr = (byte[]) ctx
- .getAttributeSortedStringSet(passwordAttribute).first();
- JcrUserDetails userDetails = new JcrUserDetails(
- userHomePathT.toString(), username, new String(arr), true,
- true, true, true, authorities);
- // erase password
- Arrays.fill(arr, (byte) 0);
- return userDetails;
- }
+ // SortedSet<?> passwordAttributes = ctx
+ // .getAttributeSortedStringSet(passwordAttribute);
+ // String password;
+ // if (passwordAttributes == null || passwordAttributes.size() == 0) {
+ // throw new ArgeoException("No password found for user " + username);
+ // } else {
+ // byte[] arr = (byte[]) passwordAttributes.first();
+ // password = new String(arr);
+ // // erase password
+ // Arrays.fill(arr, (byte) 0);
+ // }
- /** @return path to the user home node */
- protected String mapLdapToJcr(String username, DirContextOperations ctx) {
- // Session session = null;
try {
- // Repository nodeRepo = JcrUtils.getRepositoryByAlias(
- // repositoryFactory, ArgeoJcrConstants.ALIAS_NODE);
- // session = nodeRepo.login();
- Node userHome = JcrUtils.getUserHome(session, username);
- if (userHome == null)
- userHome = JcrUtils.createUserHome(session, homeBasePath,
- username);
- String userHomePath = userHome.getPath();
- Node userProfile = userHome.getNode(ARGEO_PROFILE);
- if (userHome.hasNode(ARGEO_PROFILE)) {
- userProfile = userHome.getNode(ARGEO_PROFILE);
- } else {
- userProfile = userHome.addNode(ARGEO_PROFILE);
- userProfile.addMixin(NodeType.MIX_TITLE);
- userProfile.addMixin(NodeType.MIX_CREATED);
- userProfile.addMixin(NodeType.MIX_LAST_MODIFIED);
- }
- for (String jcrProperty : propertyToAttributes.keySet())
- ldapToJcr(userProfile, jcrProperty, ctx);
- session.save();
- if (log.isDebugEnabled())
- log.debug("Mapped " + ctx.getDn() + " to " + userProfile);
- return userHomePath;
+ // we don't have access to password, so let's not pretend
+ String password = UUID.randomUUID().toString();
+ return new JcrUserDetails(userHome.getNode(ARGEO_PROFILE),
+ password, authorities);
} catch (RepositoryException e) {
- JcrUtils.discardQuietly(session);
- throw new ArgeoException("Cannot synchronize JCR and LDAP", e);
- } finally {
- // JcrUtils.logoutQuietly(session);
+ throw new ArgeoException("Cannot retrieve user details for "
+ + username, e);
}
}
public void mapUserToContext(UserDetails user, final DirContextAdapter ctx) {
- if (!(user instanceof JcrUserDetails))
- throw new ArgeoException("Unsupported user details: "
- + user.getClass());
-
- ctx.setAttributeValues("objectClass", userClasses);
- ctx.setAttributeValue(usernameAttribute, user.getUsername());
- ctx.setAttributeValue(passwordAttribute,
- encodePassword(user.getPassword()));
-
- final JcrUserDetails jcrUserDetails = (JcrUserDetails) user;
- // systemExecutor.execute(new Runnable() {
- // public void run() {
- // Session session = null;
- try {
- // Repository nodeRepo = JcrUtils.getRepositoryByAlias(
- // repositoryFactory, ArgeoJcrConstants.ALIAS_NODE);
- // session = nodeRepo.login();
- Node userProfile = session.getNode(jcrUserDetails.getHomePath()
- + '/' + ARGEO_PROFILE);
- for (String jcrProperty : propertyToAttributes.keySet())
- jcrToLdap(userProfile, jcrProperty, ctx);
- if (log.isDebugEnabled())
- log.debug("Mapped " + userProfile + " to " + ctx.getDn());
- } catch (RepositoryException e) {
- throw new ArgeoException("Cannot synchronize JCR and LDAP", e);
- } finally {
- // session.logout();
- }
- // }
- // });
- }
-
- protected String encodePassword(String password) {
- if (!password.startsWith("{")) {
- byte[] salt = new byte[16];
- random.nextBytes(salt);
- return passwordEncoder.encodePassword(password, salt);
- } else {
- return password;
- }
- }
-
- protected void ldapToJcr(Node userProfile, String jcrProperty,
- DirContextOperations ctx) {
- try {
- String ldapAttribute;
- if (propertyToAttributes.containsKey(jcrProperty))
- ldapAttribute = propertyToAttributes.get(jcrProperty);
- else
- throw new ArgeoException(
- "No LDAP attribute mapped for JCR proprty "
- + jcrProperty);
-
- String value = ctx.getStringAttribute(ldapAttribute);
- if (value == null)
- return;
- userProfile.setProperty(jcrProperty, value);
- } catch (Exception e) {
- throw new ArgeoException("Cannot map JCR property " + jcrProperty
- + " from LDAP", e);
- }
- }
-
- protected void jcrToLdap(Node userProfile, String jcrProperty,
- DirContextOperations ctx) {
- try {
- if (!userProfile.hasProperty(jcrProperty))
- return;
- String value = userProfile.getProperty(jcrProperty).getString();
-
- String ldapAttribute;
- if (propertyToAttributes.containsKey(jcrProperty))
- ldapAttribute = propertyToAttributes.get(jcrProperty);
- else
- throw new ArgeoException(
- "No LDAP attribute mapped for JCR proprty "
- + jcrProperty);
- ctx.setAttributeValue(ldapAttribute, value);
- } catch (Exception e) {
- throw new ArgeoException("Cannot map JCR property " + jcrProperty
- + " from LDAP", e);
- }
- }
-
- public void setPropertyToAttributes(Map<String, String> propertyToAttributes) {
- this.propertyToAttributes = propertyToAttributes;
- }
-
- public void setSystemExecutor(Executor systemExecutor) {
- this.systemExecutor = systemExecutor;
- }
-
- public void setHomeBasePath(String homeBasePath) {
- this.homeBasePath = homeBasePath;
- }
-
- // public void register(RepositoryFactory repositoryFactory,
- // Map<String, String> parameters) {
- // this.repositoryFactory = repositoryFactory;
- // }
- //
- // public void unregister(RepositoryFactory repositoryFactory,
- // Map<String, String> parameters) {
- // this.repositoryFactory = null;
- // }
-
- public void setUsernameAttribute(String usernameAttribute) {
- this.usernameAttribute = usernameAttribute;
- }
-
- public void setPasswordAttribute(String passwordAttribute) {
- this.passwordAttribute = passwordAttribute;
- }
-
- public void setUserClasses(String[] userClasses) {
- this.userClasses = userClasses;
- }
-
- public void setPasswordEncoder(PasswordEncoder passwordEncoder) {
- this.passwordEncoder = passwordEncoder;
- }
-
- public void setSession(Session session) {
- this.session = session;
+ throw new UnsupportedOperationException("LDAP access is read-only");
}
}
projects / lgpl / argeo-commons.git / blobdiff