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 javax.jcr.Node;
+import javax.jcr.Repository;
+import javax.jcr.RepositoryException;
+import javax.jcr.RepositoryFactory;
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.ArgeoJcrConstants;
+import org.argeo.jcr.ArgeoNames;
+import org.argeo.jcr.ArgeoTypes;
+import org.argeo.jcr.JcrUtils;
+import org.argeo.security.jcr.JcrUserDetails;
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;
-public class JcrUserDetailsContextMapper implements 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.
+ */
+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;
- public UserDetails mapUserFromContext(DirContextOperations ctx,
- String username, GrantedAuthority[] authority) {
- // TODO Auto-generated method stub
- return null;
+ private PasswordEncoder passwordEncoder;
+ private final Random random;
+
+ public JcrUserDetailsContextMapper() {
+ random = createRandom();
+ }
+
+ private static Random createRandom() {
+ try {
+ return SecureRandom.getInstance("SHA1PRNG");
+ } catch (NoSuchAlgorithmException e) {
+ return new Random(System.currentTimeMillis());
+ }
+ }
+
+ 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);
+ else
+ action.run();
+
+ // 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;
+ }
+
+ /** @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 = createUserHome(session, username);
+ String userHomePath = userHome.getPath();
+ Node userProfile;
+ if (userHome.hasNode(ARGEO_USER_PROFILE)) {
+ userProfile = userHome.getNode(ARGEO_USER_PROFILE);
+ } else {
+ userProfile = userHome.addNode(ARGEO_USER_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;
+ } catch (RepositoryException e) {
+ JcrUtils.discardQuietly(session);
+ throw new ArgeoException("Cannot synchronize JCR and LDAP", e);
+ } finally {
+ // JcrUtils.logoutQuietly(session);
+ }
+ }
+
+ protected Node createUserHome(Session session, String username) {
+ try {
+ Node userHome = JcrUtils.mkdirs(session,
+ usernameToHomePath(username));
+ userHome.addMixin(ArgeoTypes.ARGEO_USER_HOME);
+ userHome.setProperty(ARGEO_USER_ID, username);
+ return userHome;
+ } catch (RepositoryException e) {
+ throw new ArgeoException("Cannot create home node for user "
+ + username, e);
+ }
+ }
+
+ protected String usernameToHomePath(String username) {
+ return homeBasePath + '/' + JcrUtils.firstCharsToPath(username, 2)
+ + '/' + username;
+ }
+
+ 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_USER_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;
+ }
}
- public void mapUserToContext(UserDetails user, DirContextAdapter ctx) {
- // TODO Auto-generated method stub
+ 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;
}
}
projects / lgpl / argeo-commons.git / blobdiff