Пример #1
0
  /*
   * (non-Javadoc)
   * @see
   * org.apache.sling.jackrabbit.usermanager.post.AbstractAuthorizablePostServlet
   * #handleOperation(org.apache.sling.api.SlingHttpServletRequest,
   * org.apache.sling.api.servlets.HtmlResponse, java.util.List)
   */
  @Override
  protected void handleOperation(
      SlingHttpServletRequest request, HtmlResponse response, List<Modification> changes)
      throws RepositoryException {
    // make sure user self-registration is enabled
    if (!selfRegistrationEnabled) {
      throw new RepositoryException(
          "Sorry, registration of new users is not currently enabled.  Please try again later.");
    }

    Session session = request.getResourceResolver().adaptTo(Session.class);
    if (session == null) {
      throw new RepositoryException("JCR Session not found");
    }

    // check that the submitted parameter values have valid values.
    String principalName = request.getParameter(SlingPostConstants.RP_NODE_NAME);
    if (principalName == null) {
      throw new RepositoryException("User name was not submitted");
    }
    String pwd = request.getParameter("pwd");
    if (pwd == null) {
      throw new RepositoryException("Password was not submitted");
    }
    String pwdConfirm = request.getParameter("pwdConfirm");
    if (!pwd.equals(pwdConfirm)) {
      throw new RepositoryException("Password value does not match the confirmation password");
    }

    Session selfRegSession = null;
    try {
      selfRegSession = getSession();

      UserManager userManager = AccessControlUtil.getUserManager(selfRegSession);
      Authorizable authorizable = userManager.getAuthorizable(principalName);

      if (authorizable != null) {
        // user already exists!
        throw new RepositoryException(
            "A principal already exists with the requested name: " + principalName);
      } else {
        Map<String, RequestProperty> reqProperties = collectContent(request, response);

        User user = userManager.createUser(principalName, digestPassword(pwd));
        String userPath =
            AuthorizableResourceProvider.SYSTEM_USER_MANAGER_USER_PREFIX + user.getID();

        response.setPath(userPath);
        response.setLocation(externalizePath(request, userPath));
        response.setParentLocation(
            externalizePath(request, AuthorizableResourceProvider.SYSTEM_USER_MANAGER_USER_PATH));
        changes.add(Modification.onCreated(userPath));

        // write content from form
        writeContent(selfRegSession, user, reqProperties, changes);

        if (selfRegSession.hasPendingChanges()) {
          selfRegSession.save();
        }
      }
    } finally {
      ungetSession(selfRegSession);
    }
  }
  /*
   * (non-Javadoc)
   *
   * @seeorg.apache.sling.jackrabbit.usermanager.post.AbstractAuthorizablePostServlet#
   * handleOperation(org.apache.sling.api.SlingHttpServletRequest,
   * org.apache.sling.api.servlets.HtmlResponse, java.util.List)
   */
  @Override
  @edu.umd.cs.findbugs.annotations.SuppressWarnings(
      justification = "If there is an exception, the user is certainly not admin",
      value = {"REC_CATCH_EXCEPTION"})
  protected void handleOperation(
      SlingHttpServletRequest request, HtmlResponse response, List<Modification> changes)
      throws RepositoryException {

    // KERN-432 dont allow anon users to access create group.
    if (SecurityConstants.ANONYMOUS_ID.equals(request.getRemoteUser())) {
      response.setStatus(403, "AccessDenied");
    }

    // check that the submitted parameter values have valid values.
    final String principalName = request.getParameter(SlingPostConstants.RP_NODE_NAME);
    if (principalName == null) {
      throw new RepositoryException("Group name was not submitted");
    }

    NameSanitizer san = new NameSanitizer(principalName, false);
    san.validate();

    // check for allow create Group
    boolean allowCreateGroup = false;
    User currentUser = null;

    try {
      Session currentSession = request.getResourceResolver().adaptTo(Session.class);
      UserManager um = AccessControlUtil.getUserManager(currentSession);
      currentUser = (User) um.getAuthorizable(currentSession.getUserID());
      if (currentUser.isAdmin()) {
        LOGGER.debug("User is an admin ");
        allowCreateGroup = true;
      } else {
        LOGGER.debug("Checking for membership of one of {} ", Arrays.toString(authorizedGroups));
        PrincipalManager principalManager = AccessControlUtil.getPrincipalManager(currentSession);
        PrincipalIterator pi =
            principalManager.getGroupMembership(
                principalManager.getPrincipal(currentSession.getUserID()));
        Set<String> groups = new HashSet<String>();
        for (; pi.hasNext(); ) {
          groups.add(pi.nextPrincipal().getName());
        }

        for (String groupName : authorizedGroups) {
          if (groups.contains(groupName)) {
            allowCreateGroup = true;
            break;
          }

          // TODO: move this nasty hack into the PrincipalManager dynamic groups need to
          // be in the principal manager for this to work.
          if ("authenticated".equals(groupName)
              && !SecurityConstants.ADMIN_ID.equals(currentUser.getID())) {
            allowCreateGroup = true;
            break;
          }

          // just check via the user manager for dynamic resolution.
          Group group = (Group) um.getAuthorizable(groupName);
          LOGGER.debug("Checking for group  {} {} ", groupName, group);
          if (group != null && group.isMember(currentUser)) {
            allowCreateGroup = true;
            LOGGER.debug("User is a member  of {} {} ", groupName, group);
            break;
          }
        }
      }
    } catch (Exception ex) {
      LOGGER.warn(
          "Failed to determin if the user is an admin, assuming not. Cause: " + ex.getMessage());
      allowCreateGroup = false;
    }

    if (!allowCreateGroup) {
      LOGGER.debug("User is not allowed to create groups ");
      response.setStatus(HttpServletResponse.SC_FORBIDDEN, "User is not allowed to create groups");
      return;
    }

    Session session = getSession();

    try {
      UserManager userManager = AccessControlUtil.getUserManager(session);
      Authorizable authorizable = userManager.getAuthorizable(principalName);

      if (authorizable != null) {
        // principal already exists!
        throw new RepositoryException(
            "A principal already exists with the requested name: " + principalName);
      } else {

        Group group =
            userManager.createGroup(
                new Principal() {
                  public String getName() {
                    return principalName;
                  }
                });
        String groupPath =
            AuthorizableResourceProvider.SYSTEM_USER_MANAGER_GROUP_PREFIX + group.getID();
        Map<String, RequestProperty> reqProperties = collectContent(request, response, groupPath);

        response.setPath(groupPath);
        response.setLocation(externalizePath(request, groupPath));
        response.setParentLocation(
            externalizePath(request, AuthorizableResourceProvider.SYSTEM_USER_MANAGER_GROUP_PATH));
        changes.add(Modification.onCreated(groupPath));

        // It is not allowed to touch the rep:group-managers property directly.
        String key = SYSTEM_USER_MANAGER_GROUP_PREFIX + principalName + "/";
        reqProperties.remove(key + PROP_GROUP_MANAGERS);
        reqProperties.remove(key + PROP_GROUP_VIEWERS);

        // write content from form
        writeContent(session, group, reqProperties, changes);

        // update the group memberships, although this uses session from the request, it
        // only
        // does so for finding authorizables, so its ok that we are using an admin session
        // here.
        updateGroupMembership(request, group, changes);
        updateOwnership(request, group, new String[] {currentUser.getID()}, changes);

        sakaiAuthorizableService.postprocess(group, session);

        // Launch an OSGi event for creating a group.
        try {
          Dictionary<String, String> properties = new Hashtable<String, String>();
          properties.put(UserConstants.EVENT_PROP_USERID, principalName);
          EventUtils.sendOsgiEvent(properties, UserConstants.TOPIC_GROUP_CREATED, eventAdmin);
        } catch (Exception e) {
          // Trap all exception so we don't disrupt the normal behaviour.
          LOGGER.error("Failed to launch an OSGi event for creating a user.", e);
        }
      }
    } catch (RepositoryException re) {
      throw new RepositoryException("Failed to create new group.", re);
    } finally {
      ungetSession(session);
    }
  }