NodeUserAdmin.java

   1 package org.argeo.cms.internal.kernel;
   2
   3 import static org.argeo.cms.internal.kernel.KernelUtils.getFrameworkProp;
   4 import static org.argeo.cms.internal.kernel.KernelUtils.getOsgiInstanceDir;
   5
   6 import java.io.File;
   7 import java.io.IOException;
   8 import java.net.URI;
   9 import java.util.ArrayList;
  10 import java.util.Arrays;
  11 import java.util.Dictionary;
  12 import java.util.HashMap;
  13 import java.util.HashSet;
  14 import java.util.Hashtable;
  15 import java.util.List;
  16 import java.util.Map;
  17 import java.util.Set;
  18
  19 import javax.jcr.Node;
  20 import javax.jcr.Repository;
  21 import javax.jcr.RepositoryException;
  22 import javax.jcr.Session;
  23 import javax.jcr.Value;
  24 import javax.jcr.security.Privilege;
  25 import javax.naming.InvalidNameException;
  26 import javax.naming.ldap.LdapName;
  27 import javax.transaction.TransactionManager;
  28
  29 import org.apache.commons.io.FileUtils;
  30 import org.apache.commons.logging.Log;
  31 import org.apache.commons.logging.LogFactory;
  32 import org.argeo.ArgeoException;
  33 import org.argeo.cms.CmsException;
  34 import org.argeo.cms.auth.AuthConstants;
  35 import org.argeo.jcr.ArgeoJcrConstants;
  36 import org.argeo.jcr.ArgeoNames;
  37 import org.argeo.jcr.ArgeoTypes;
  38 import org.argeo.jcr.JcrUtils;
  39 import org.argeo.jcr.UserJcrUtils;
  40 import org.argeo.osgi.useradmin.LdapUserAdmin;
  41 import org.argeo.osgi.useradmin.LdifUserAdmin;
  42 import org.argeo.osgi.useradmin.UserAdminConf;
  43 import org.argeo.osgi.useradmin.UserDirectory;
  44 import org.argeo.osgi.useradmin.UserDirectoryException;
  45 import org.osgi.framework.InvalidSyntaxException;
  46 import org.osgi.service.useradmin.Authorization;
  47 import org.osgi.service.useradmin.Role;
  48 import org.osgi.service.useradmin.User;
  49 import org.osgi.service.useradmin.UserAdmin;
  50
  51 import bitronix.tm.resource.ehcache.EhCacheXAResourceProducer;
  52
  53 /**
  54  * Aggregates multiple {@link UserDirectory} and integrates them with this node
  55  * system roles.
  56  */
  57 public class NodeUserAdmin implements UserAdmin, KernelConstants {
  58         private final static Log log = LogFactory.getLog(NodeUserAdmin.class);
  59         final static LdapName ROLES_BASE;
  60         static {
  61                 try {
  62                         ROLES_BASE = new LdapName(AuthConstants.ROLES_BASEDN);
  63                 } catch (InvalidNameException e) {
  64                         throw new UserDirectoryException("Cannot initialize "
  65                                         + NodeUserAdmin.class, e);
  66                 }
  67         }
  68
  69         // DAOs
  70         private UserAdmin nodeRoles = null;
  71         private Map<LdapName, UserAdmin> userAdmins = new HashMap<LdapName, UserAdmin>();
  72
  73         // JCR
  74         /** The home base path. */
  75         private String homeBasePath = "/home";
  76         private String peopleBasePath = ArgeoJcrConstants.PEOPLE_BASE_PATH;
  77         private Repository repository;
  78         private Session adminSession;
  79
  80         private final String cacheName = UserDirectory.class.getName();
  81
  82         public NodeUserAdmin(TransactionManager transactionManager,
  83                         Repository repository) {
  84                 this.repository = repository;
  85                 try {
  86                         this.adminSession = this.repository.login();
  87                 } catch (RepositoryException e) {
  88                         throw new CmsException("Cannot log-in", e);
  89                 }
  90
  91                 // DAOs
  92                 File nodeBaseDir = new File(getOsgiInstanceDir(), DIR_NODE);
  93                 nodeBaseDir.mkdirs();
  94                 String userAdminUri = getFrameworkProp(USERADMIN_URIS);
  95                 initUserAdmins(userAdminUri, nodeBaseDir);
  96                 String nodeRolesUri = getFrameworkProp(ROLES_URI);
  97                 initNodeRoles(nodeRolesUri, nodeBaseDir);
  98
  99                 // Transaction manager
 100                 ((UserDirectory) nodeRoles).setTransactionManager(transactionManager);
 101                 for (UserAdmin userAdmin : userAdmins.values()) {
 102                         if (userAdmin instanceof UserDirectory)
 103                                 ((UserDirectory) userAdmin)
 104                                                 .setTransactionManager(transactionManager);
 105                 }
 106
 107                 // JCR
 108                 initJcr(adminSession);
 109         }
 110
 111         Dictionary<String, ?> currentState() {
 112                 Dictionary<String, Object> res = new Hashtable<String, Object>();
 113                 for (LdapName name : userAdmins.keySet()) {
 114                         StringBuilder buf = new StringBuilder();
 115                         if (userAdmins.get(name) instanceof UserDirectory) {
 116                                 UserDirectory userDirectory = (UserDirectory) userAdmins
 117                                                 .get(name);
 118                                 String uri = UserAdminConf.propertiesAsUri(
 119                                                 userDirectory.getProperties()).toString();
 120                                 res.put(uri, "");
 121                         } else {
 122                                 buf.append('/').append(name.toString())
 123                                                 .append("?readOnly=true");
 124                         }
 125                 }
 126                 return res;
 127         }
 128
 129         public void destroy() {
 130                 for (LdapName name : userAdmins.keySet()) {
 131                         if (userAdmins.get(name) instanceof UserDirectory) {
 132                                 UserDirectory userDirectory = (UserDirectory) userAdmins
 133                                                 .get(name);
 134                                 try {
 135                                         // FIXME Make it less bitronix dependant
 136                                         EhCacheXAResourceProducer.unregisterXAResource(cacheName,
 137                                                         userDirectory.getXaResource());
 138                                 } catch (Exception e) {
 139                                         log.error("Cannot unregister resource from Bitronix", e);
 140                                 }
 141                                 userDirectory.destroy();
 142
 143                         }
 144                 }
 145         }
 146
 147         @Override
 148         public Role createRole(String name, int type) {
 149                 return findUserAdmin(name).createRole(name, type);
 150         }
 151
 152         @Override
 153         public boolean removeRole(String name) {
 154                 boolean actuallyDeleted = findUserAdmin(name).removeRole(name);
 155                 nodeRoles.removeRole(name);
 156                 return actuallyDeleted;
 157         }
 158
 159         @Override
 160         public Role getRole(String name) {
 161                 return findUserAdmin(name).getRole(name);
 162         }
 163
 164         @Override
 165         public Role[] getRoles(String filter) throws InvalidSyntaxException {
 166                 List<Role> res = new ArrayList<Role>();
 167                 for (UserAdmin userAdmin : userAdmins.values()) {
 168                         res.addAll(Arrays.asList(userAdmin.getRoles(filter)));
 169                 }
 170                 res.addAll(Arrays.asList(nodeRoles.getRoles(filter)));
 171                 return res.toArray(new Role[res.size()]);
 172         }
 173
 174         @Override
 175         public User getUser(String key, String value) {
 176                 List<User> res = new ArrayList<User>();
 177                 for (UserAdmin userAdmin : userAdmins.values()) {
 178                         User u = userAdmin.getUser(key, value);
 179                         if (u != null)
 180                                 res.add(u);
 181                 }
 182                 // Note: node roles cannot contain users, so it is not searched
 183                 return res.size() == 1 ? res.get(0) : null;
 184         }
 185
 186         @Override
 187         public Authorization getAuthorization(User user) {
 188                 if (user == null) {// anonymous
 189                         return nodeRoles.getAuthorization(null);
 190                 }
 191                 UserAdmin userAdmin = findUserAdmin(user.getName());
 192                 Authorization rawAuthorization = userAdmin.getAuthorization(user);
 193                 // gather system roles
 194                 Set<String> systemRoles = new HashSet<String>();
 195                 for (String role : rawAuthorization.getRoles()) {
 196                         Authorization auth = nodeRoles.getAuthorization((User) userAdmin
 197                                         .getRole(role));
 198                         systemRoles.addAll(Arrays.asList(auth.getRoles()));
 199                 }
 200                 Authorization authorization = new NodeAuthorization(
 201                                 rawAuthorization.getName(), rawAuthorization.toString(),
 202                                 systemRoles, rawAuthorization.getRoles());
 203                 syncJcr(adminSession, authorization);
 204                 return authorization;
 205         }
 206
 207         //
 208         // USER ADMIN AGGREGATOR
 209         //
 210         public void addUserAdmin(String baseDn, UserAdmin userAdmin) {
 211                 if (userAdmins.containsKey(baseDn))
 212                         throw new UserDirectoryException(
 213                                         "There is already a user admin for " + baseDn);
 214                 try {
 215                         userAdmins.put(new LdapName(baseDn), userAdmin);
 216                 } catch (InvalidNameException e) {
 217                         throw new UserDirectoryException("Badly formatted base DN "
 218                                         + baseDn, e);
 219                 }
 220                 if (userAdmin instanceof UserDirectory) {
 221                         try {
 222                                 // FIXME Make it less bitronix dependant
 223                                 EhCacheXAResourceProducer.registerXAResource(cacheName,
 224                                                 ((UserDirectory) userAdmin).getXaResource());
 225                         } catch (Exception e) {
 226                                 log.error("Cannot register resource to Bitronix", e);
 227                         }
 228                 }
 229         }
 230
 231         private UserAdmin findUserAdmin(String name) {
 232                 try {
 233                         return findUserAdmin(new LdapName(name));
 234                 } catch (InvalidNameException e) {
 235                         throw new UserDirectoryException("Badly formatted name " + name, e);
 236                 }
 237         }
 238
 239         private UserAdmin findUserAdmin(LdapName name) {
 240                 if (name.startsWith(ROLES_BASE))
 241                         return nodeRoles;
 242                 List<UserAdmin> res = new ArrayList<UserAdmin>(1);
 243                 for (LdapName baseDn : userAdmins.keySet()) {
 244                         if (name.startsWith(baseDn))
 245                                 res.add(userAdmins.get(baseDn));
 246                 }
 247                 if (res.size() == 0)
 248                         throw new UserDirectoryException("Cannot find user admin for "
 249                                         + name);
 250                 if (res.size() > 1)
 251                         throw new UserDirectoryException("Multiple user admin found for "
 252                                         + name);
 253                 return res.get(0);
 254         }
 255
 256         public void setTransactionManager(TransactionManager transactionManager) {
 257                 if (nodeRoles instanceof UserDirectory)
 258                         ((UserDirectory) nodeRoles)
 259                                         .setTransactionManager(transactionManager);
 260                 for (UserAdmin userAdmin : userAdmins.values()) {
 261                         if (userAdmin instanceof UserDirectory)
 262                                 ((UserDirectory) userAdmin)
 263                                                 .setTransactionManager(transactionManager);
 264                 }
 265         }
 266
 267         private void initUserAdmins(String userAdminUri, File nodeBaseDir) {
 268                 if (userAdminUri == null) {
 269                         String demoBaseDn = "dc=example,dc=com";
 270                         File businessRolesFile = new File(nodeBaseDir, demoBaseDn + ".ldif");
 271                         if (!businessRolesFile.exists())
 272                                 try {
 273                                         FileUtils.copyInputStreamToFile(getClass()
 274                                                         .getResourceAsStream(demoBaseDn + ".ldif"),
 275                                                         businessRolesFile);
 276                                 } catch (IOException e) {
 277                                         throw new CmsException("Cannot copy demo resource", e);
 278                                 }
 279                         userAdminUri = businessRolesFile.toURI().toString();
 280                 }
 281                 String[] uris = userAdminUri.split(" ");
 282                 for (String uri : uris) {
 283                         URI u;
 284                         try {
 285                                 u = new URI(uri);
 286                                 if (u.getPath() == null)
 287                                         throw new CmsException("URI " + uri
 288                                                         + " must have a path in order to determine base DN");
 289                                 if (u.getScheme() == null) {
 290                                         if (uri.startsWith("/") || uri.startsWith("./")
 291                                                         || uri.startsWith("../"))
 292                                                 u = new File(uri).getCanonicalFile().toURI();
 293                                         else if (!uri.contains("/"))
 294                                                 u = new File(nodeBaseDir, uri).getCanonicalFile()
 295                                                                 .toURI();
 296                                         else
 297                                                 throw new CmsException("Cannot interpret " + uri
 298                                                                 + " as an uri");
 299                                 } else if (u.getScheme().equals("file")) {
 300                                         u = new File(u).getCanonicalFile().toURI();
 301                                 }
 302                         } catch (Exception e) {
 303                                 throw new CmsException(
 304                                                 "Cannot interpret " + uri + " as an uri", e);
 305                         }
 306                         Dictionary<String, ?> properties = UserAdminConf.uriAsProperties(u
 307                                         .toString());
 308                         UserDirectory businessRoles;
 309                         if (u.getScheme().startsWith("ldap")) {
 310                                 businessRoles = new LdapUserAdmin(properties);
 311                         } else {
 312                                 businessRoles = new LdifUserAdmin(properties);
 313                         }
 314                         businessRoles.init();
 315                         String baseDn = businessRoles.getBaseDn();
 316                         if (userAdmins.containsKey(baseDn))
 317                                 throw new UserDirectoryException(
 318                                                 "There is already a user admin for " + baseDn);
 319                         try {
 320                                 userAdmins.put(new LdapName(baseDn), (UserAdmin) businessRoles);
 321                         } catch (InvalidNameException e) {
 322                                 throw new UserDirectoryException("Badly formatted base DN "
 323                                                 + baseDn, e);
 324                         }
 325                         addUserAdmin(businessRoles.getBaseDn(), (UserAdmin) businessRoles);
 326                         if (log.isDebugEnabled())
 327                                 log.debug("User directory " + businessRoles.getBaseDn() + " ["
 328                                                 + u.getScheme() + "] enabled.");
 329                 }
 330
 331         }
 332
 333         private void initNodeRoles(String nodeRolesUri, File nodeBaseDir) {
 334                 String baseNodeRoleDn = AuthConstants.ROLES_BASEDN;
 335                 if (nodeRolesUri == null) {
 336                         File nodeRolesFile = new File(nodeBaseDir, baseNodeRoleDn + ".ldif");
 337                         if (!nodeRolesFile.exists())
 338                                 try {
 339                                         FileUtils.copyInputStreamToFile(getClass()
 340                                                         .getResourceAsStream(baseNodeRoleDn + ".ldif"),
 341                                                         nodeRolesFile);
 342                                 } catch (IOException e) {
 343                                         throw new CmsException("Cannot copy demo resource", e);
 344                                 }
 345                         nodeRolesUri = nodeRolesFile.toURI().toString();
 346                 }
 347
 348                 Dictionary<String, ?> nodeRolesProperties = UserAdminConf
 349                                 .uriAsProperties(nodeRolesUri);
 350                 if (!nodeRolesProperties.get(UserAdminConf.baseDn.property()).equals(
 351                                 baseNodeRoleDn)) {
 352                         throw new CmsException("Invalid base dn for node roles");
 353                         // TODO deal with "mounted" roles with a different baseDN
 354                 }
 355                 if (nodeRolesUri.startsWith("ldap")) {
 356                         nodeRoles = new LdapUserAdmin(nodeRolesProperties);
 357                 } else {
 358                         nodeRoles = new LdifUserAdmin(nodeRolesProperties);
 359                 }
 360                 ((UserDirectory) nodeRoles).setExternalRoles(this);
 361                 ((UserDirectory) nodeRoles).init();
 362                 addUserAdmin(baseNodeRoleDn, (UserAdmin) nodeRoles);
 363                 if (log.isTraceEnabled())
 364                         log.trace("Node roles enabled.");
 365
 366         }
 367
 368         /*
 369          * JCR
 370          */
 371         private void initJcr(Session adminSession) {
 372                 try {
 373                         JcrUtils.mkdirs(adminSession, homeBasePath);
 374                         JcrUtils.mkdirs(adminSession, peopleBasePath);
 375                         adminSession.save();
 376
 377                         JcrUtils.addPrivilege(adminSession, homeBasePath,
 378                                         AuthConstants.ROLE_USER_ADMIN, Privilege.JCR_READ);
 379                         JcrUtils.addPrivilege(adminSession, peopleBasePath,
 380                                         AuthConstants.ROLE_USER_ADMIN, Privilege.JCR_ALL);
 381                         adminSession.save();
 382                 } catch (RepositoryException e) {
 383                         throw new CmsException("Cannot initialize node user admin", e);
 384                 }
 385         }
 386
 387         private Node syncJcr(Session session, Authorization authorization) {
 388                 // TODO check user name validity (e.g. should not start by ROLE_)
 389                 String username = authorization.getName();
 390                 String[] roles = authorization.getRoles();
 391                 try {
 392                         Node userHome = UserJcrUtils.getUserHome(session, username);
 393                         if (userHome == null) {
 394                                 String homePath = generateUserPath(homeBasePath, username);
 395                                 if (session.itemExists(homePath))// duplicate user id
 396                                         userHome = session.getNode(homePath).getParent()
 397                                                         .addNode(JcrUtils.lastPathElement(homePath));
 398                                 else
 399                                         userHome = JcrUtils.mkdirs(session, homePath);
 400                                 // userHome = JcrUtils.mkfolders(session, homePath);
 401                                 userHome.addMixin(ArgeoTypes.ARGEO_USER_HOME);
 402                                 userHome.setProperty(ArgeoNames.ARGEO_USER_ID, username);
 403                                 session.save();
 404
 405                                 JcrUtils.clearAccessControList(session, homePath, username);
 406                                 JcrUtils.addPrivilege(session, homePath, username,
 407                                                 Privilege.JCR_ALL);
 408                         }
 409
 410                         Node userProfile = UserJcrUtils.getUserProfile(session, username);
 411                         // new user
 412                         if (userProfile == null) {
 413                                 String personPath = generateUserPath(peopleBasePath, username);
 414                                 Node personBase;
 415                                 if (session.itemExists(personPath))// duplicate user id
 416                                         personBase = session.getNode(personPath).getParent()
 417                                                         .addNode(JcrUtils.lastPathElement(personPath));
 418                                 else
 419                                         personBase = JcrUtils.mkdirs(session, personPath);
 420                                 userProfile = personBase.addNode(ArgeoNames.ARGEO_PROFILE);
 421                                 userProfile.addMixin(ArgeoTypes.ARGEO_USER_PROFILE);
 422                                 userProfile.setProperty(ArgeoNames.ARGEO_USER_ID, username);
 423                                 userProfile.setProperty(ArgeoNames.ARGEO_ENABLED, true);
 424                                 userProfile.setProperty(ArgeoNames.ARGEO_ACCOUNT_NON_EXPIRED,
 425                                                 true);
 426                                 userProfile.setProperty(ArgeoNames.ARGEO_ACCOUNT_NON_LOCKED,
 427                                                 true);
 428                                 userProfile.setProperty(
 429                                                 ArgeoNames.ARGEO_CREDENTIALS_NON_EXPIRED, true);
 430                                 session.save();
 431
 432                                 JcrUtils.clearAccessControList(session, userProfile.getPath(),
 433                                                 username);
 434                                 JcrUtils.addPrivilege(session, userProfile.getPath(), username,
 435                                                 Privilege.JCR_READ);
 436                         }
 437
 438                         // Remote roles
 439                         if (roles != null) {
 440                                 writeRemoteRoles(userProfile, roles);
 441                         }
 442                         adminSession.save();
 443                         return userProfile;
 444                 } catch (RepositoryException e) {
 445                         JcrUtils.discardQuietly(session);
 446                         throw new ArgeoException("Cannot sync node security model for "
 447                                         + username, e);
 448                 }
 449         }
 450
 451         /** Generate path for a new user home */
 452         private String generateUserPath(String base, String username) {
 453                 LdapName dn;
 454                 try {
 455                         dn = new LdapName(username);
 456                 } catch (InvalidNameException e) {
 457                         throw new ArgeoException("Invalid name " + username, e);
 458                 }
 459                 String userId = dn.getRdn(dn.size() - 1).getValue().toString();
 460                 int atIndex = userId.indexOf('@');
 461                 if (atIndex > 0) {
 462                         String domain = userId.substring(0, atIndex);
 463                         String name = userId.substring(atIndex + 1);
 464                         return base + '/' + JcrUtils.firstCharsToPath(domain, 2) + '/'
 465                                         + domain + '/' + JcrUtils.firstCharsToPath(name, 2) + '/'
 466                                         + name;
 467                 } else if (atIndex == 0 || atIndex == (userId.length() - 1)) {
 468                         throw new ArgeoException("Unsupported username " + userId);
 469                 } else {
 470                         return base + '/' + JcrUtils.firstCharsToPath(userId, 2) + '/'
 471                                         + userId;
 472                 }
 473         }
 474
 475         /** Write remote roles used by remote access in the home directory */
 476         private void writeRemoteRoles(Node userHome, String[] roles)
 477                         throws RepositoryException {
 478                 boolean writeRoles = false;
 479                 if (userHome.hasProperty(ArgeoNames.ARGEO_REMOTE_ROLES)) {
 480                         Value[] remoteRoles = userHome.getProperty(
 481                                         ArgeoNames.ARGEO_REMOTE_ROLES).getValues();
 482                         if (remoteRoles.length != roles.length)
 483                                 writeRoles = true;
 484                         else
 485                                 for (int i = 0; i < remoteRoles.length; i++)
 486                                         if (!remoteRoles[i].getString().equals(roles[i]))
 487                                                 writeRoles = true;
 488                 } else
 489                         writeRoles = true;
 490
 491                 if (writeRoles) {
 492                         userHome.getSession().getWorkspace().getVersionManager()
 493                                         .checkout(userHome.getPath());
 494                         userHome.setProperty(ArgeoNames.ARGEO_REMOTE_ROLES, roles);
 495                         JcrUtils.updateLastModified(userHome);
 496                         userHome.getSession().save();
 497                         userHome.getSession().getWorkspace().getVersionManager()
 498                                         .checkin(userHome.getPath());
 499                         if (log.isDebugEnabled())
 500                                 log.debug("Wrote remote roles " + roles + " for "
 501                                                 + userHome.getProperty(ArgeoNames.ARGEO_USER_ID));
 502                 }
 503
 504         }
 505
 506 }