package org.argeo.security.ldap.jcr; import java.util.Arrays; import java.util.HashMap; import java.util.Map; 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 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.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. */ 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 propertyToAttributes = new HashMap(); private Executor systemExecutor; private RepositoryFactory repositoryFactory; public UserDetails mapUserFromContext(final DirContextOperations ctx, final String username, GrantedAuthority[] authorities) { if (repositoryFactory == null) throw new ArgeoException("No JCR repository factory registered"); final StringBuffer userHomePathT = new StringBuffer(""); systemExecutor.execute(new Runnable() { public void run() { String userHomepath = mapLdapToJcr(username, ctx); userHomePathT.append(userHomepath); } }); // 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 = userHome.hasNode(ARGEO_USER_PROFILE) ? userHome .getNode(ARGEO_USER_PROFILE) : userHome .addNode(ARGEO_USER_PROFILE); 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 { session.logout(); } } 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, 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 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 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 parameters) { this.repositoryFactory = repositoryFactory; } public void unregister(RepositoryFactory repositoryFactory, Map 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; } }