org.argeo.cms.ui/src/org/argeo/cms/ui/jcr/model/RemoteRepositoryElem.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.cms.ui.jcr.model;
  17
  18 import java.util.Arrays;
  19
  20 import javax.jcr.Node;
  21 import javax.jcr.Repository;
  22 import javax.jcr.RepositoryException;
  23 import javax.jcr.RepositoryFactory;
  24 import javax.jcr.Session;
  25 import javax.jcr.SimpleCredentials;
  26
  27 import org.argeo.api.NodeUtils;
  28 import org.argeo.api.security.Keyring;
  29 import org.argeo.cms.ArgeoNames;
  30 import org.argeo.eclipse.ui.EclipseUiException;
  31 import org.argeo.eclipse.ui.TreeParent;
  32
  33 /** Root of a remote repository */
  34 public class RemoteRepositoryElem extends RepositoryElem {
  35         private final Keyring keyring;
  36         /**
  37          * A session of the logged in user on the default workspace of the node
  38          * repository.
  39          */
  40         private final Session userSession;
  41         private final String remoteNodePath;
  42
  43         private final RepositoryFactory repositoryFactory;
  44         private final String uri;
  45
  46         public RemoteRepositoryElem(String alias, RepositoryFactory repositoryFactory, String uri, TreeParent parent,
  47                         Session userSession, Keyring keyring, String remoteNodePath) {
  48                 super(alias, null, parent);
  49                 this.repositoryFactory = repositoryFactory;
  50                 this.uri = uri;
  51                 this.keyring = keyring;
  52                 this.userSession = userSession;
  53                 this.remoteNodePath = remoteNodePath;
  54         }
  55
  56         @Override
  57         protected Session repositoryLogin(String workspaceName) throws RepositoryException {
  58                 Node remoteRepository = userSession.getNode(remoteNodePath);
  59                 String userID = remoteRepository.getProperty(ArgeoNames.ARGEO_USER_ID).getString();
  60                 if (userID.trim().equals("")) {
  61                         return getRepository().login(workspaceName);
  62                 } else {
  63                         String pwdPath = remoteRepository.getPath() + '/' + ArgeoNames.ARGEO_PASSWORD;
  64                         char[] password = keyring.getAsChars(pwdPath);
  65                         try {
  66                                 SimpleCredentials credentials = new SimpleCredentials(userID, password);
  67                                 return getRepository().login(credentials, workspaceName);
  68                         } finally {
  69                                 Arrays.fill(password, 0, password.length, ' ');
  70                         }
  71                 }
  72         }
  73
  74         @Override
  75         public Repository getRepository() {
  76                 if (repository == null)
  77                         repository = NodeUtils.getRepositoryByUri(repositoryFactory, uri);
  78                 return super.getRepository();
  79         }
  80
  81         public void remove() {
  82                 try {
  83                         Node remoteNode = userSession.getNode(remoteNodePath);
  84                         remoteNode.remove();
  85                         remoteNode.getSession().save();
  86                 } catch (RepositoryException e) {
  87                         throw new EclipseUiException("Cannot remove " + remoteNodePath, e);
  88                 }
  89         }
  90
  91 }