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.jcr.ui.explorer.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.ArgeoException;
  28 import org.argeo.eclipse.ui.TreeParent;
  29 import org.argeo.jcr.ArgeoJcrUtils;
  30 import org.argeo.jcr.ArgeoNames;
  31 import org.argeo.util.security.Keyring;
  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,
  47                         RepositoryFactory repositoryFactory, String uri, TreeParent parent,
  48                         Session userSession, Keyring keyring, String remoteNodePath) {
  49                 super(alias, null, parent);
  50                 this.repositoryFactory = repositoryFactory;
  51                 this.uri = uri;
  52                 this.keyring = keyring;
  53                 this.userSession = userSession;
  54                 this.remoteNodePath = remoteNodePath;
  55         }
  56
  57         @Override
  58         protected Session repositoryLogin(String workspaceName)
  59                         throws RepositoryException {
  60                 Node remoteRepository = userSession.getNode(remoteNodePath);
  61                 String userID = remoteRepository.getProperty(ArgeoNames.ARGEO_USER_ID)
  62                                 .getString();
  63                 String pwdPath = remoteRepository.getPath() + '/'
  64                                 + ArgeoNames.ARGEO_PASSWORD;
  65                 char[] password = keyring.getAsChars(pwdPath);
  66
  67                 try {
  68                         SimpleCredentials credentials = new SimpleCredentials(userID,
  69                                         password);
  70                         return getRepository().login(credentials, workspaceName);
  71                 } finally {
  72                         Arrays.fill(password, 0, password.length, ' ');
  73                 }
  74         }
  75
  76         @Override
  77         public Repository getRepository() {
  78                 if (repository == null)
  79                         repository = ArgeoJcrUtils.getRepositoryByUri(repositoryFactory,
  80                                         uri);
  81                 return super.getRepository();
  82         }
  83
  84         public void remove() {
  85                 try {
  86                         Node remoteNode = userSession.getNode(remoteNodePath);
  87                         remoteNode.remove();
  88                         remoteNode.getSession().save();
  89                 } catch (RepositoryException e) {
  90                         throw new ArgeoException("Cannot remove " + remoteNodePath, e);
  91                 }
  92         }
  93
  94 }