src/eu/alefzero/webdav/WebdavClient.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation, either version 3 of the License, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18 package eu.alefzero.webdav;
  19
  20 import java.io.BufferedInputStream;
  21 import java.io.File;
  22 import java.io.FileOutputStream;
  23 import java.io.IOException;
  24
  25 import org.apache.commons.httpclient.Credentials;
  26 import org.apache.commons.httpclient.HttpClient;
  27 import org.apache.commons.httpclient.HttpConnectionManager;
  28 import org.apache.commons.httpclient.HttpVersion;
  29 import org.apache.commons.httpclient.MultiThreadedHttpConnectionManager;
  30 import org.apache.commons.httpclient.UsernamePasswordCredentials;
  31 import org.apache.commons.httpclient.auth.AuthScope;
  32 import org.apache.commons.httpclient.methods.GetMethod;
  33 import org.apache.commons.httpclient.methods.HeadMethod;
  34 import org.apache.commons.httpclient.methods.PutMethod;
  35 import org.apache.commons.httpclient.params.HttpMethodParams;
  36 import org.apache.commons.httpclient.protocol.Protocol;
  37 import org.apache.http.HttpStatus;
  38 import org.apache.http.params.CoreProtocolPNames;
  39 import org.apache.jackrabbit.webdav.client.methods.DavMethod;
  40 import org.apache.jackrabbit.webdav.client.methods.DeleteMethod;
  41 import org.apache.jackrabbit.webdav.client.methods.MkColMethod;
  42
  43 import android.accounts.Account;
  44 import android.accounts.AccountManager;
  45 import android.content.Context;
  46 import android.net.Uri;
  47 import android.util.Log;
  48 import eu.alefzero.owncloud.AccountUtils;
  49 import eu.alefzero.owncloud.authenticator.AccountAuthenticator;
  50 import eu.alefzero.owncloud.authenticator.EasySSLSocketFactory;
  51 import eu.alefzero.owncloud.files.interfaces.OnDatatransferProgressListener;
  52 import eu.alefzero.owncloud.utils.OwnCloudVersion;
  53
  54 public class WebdavClient extends HttpClient {
  55     private Uri mUri;
  56     private Credentials mCredentials;
  57     final private static String TAG = "WebdavClient";
  58     private static final String USER_AGENT = "Android-ownCloud";
  59     private OnDatatransferProgressListener mDataTransferListener;
  60     static private MultiThreadedHttpConnectionManager mConnManager = null;
  61
  62     static public MultiThreadedHttpConnectionManager getMultiThreadedConnManager() {
  63         if (mConnManager == null) {
  64             mConnManager = new MultiThreadedHttpConnectionManager();
  65             mConnManager.setMaxConnectionsPerHost(5);
  66             mConnManager.setMaxTotalConnections(5);
  67         }
  68         return mConnManager;
  69     }
  70
  71     /**
  72      * Creates a WebdavClient setup for the current account
  73      * @param account The client accout
  74      * @param context The application context
  75      * @return
  76      */
  77     public WebdavClient (Account account, Context context) {
  78         OwnCloudVersion ownCloudVersion = new OwnCloudVersion(AccountManager.get(context).getUserData(account,
  79                 AccountAuthenticator.KEY_OC_VERSION));
  80         String baseUrl = AccountManager.get(context).getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL);
  81         String webDavPath = AccountUtils.getWebdavPath(ownCloudVersion);
  82         String username = account.name.substring(0, account.name.indexOf('@'));
  83         String password = AccountManager.get(context).getPassword(account);
  84
  85         mUri = Uri.parse(baseUrl + webDavPath);
  86
  87         setCredentials(username, password);
  88     }
  89
  90     public WebdavClient() {
  91         super(getMultiThreadedConnManager());
  92
  93         getParams().setParameter(HttpMethodParams.USER_AGENT, USER_AGENT);
  94         getParams().setParameter(CoreProtocolPNames.PROTOCOL_VERSION, HttpVersion.HTTP_1_1);
  95         allowSelfsignedCertificates();
  96     }
  97
  98     public void setCredentials(String username, String password) {
  99         //getParams().setAuthenticationPreemptive(true);
 100         getState().setCredentials(AuthScope.ANY,
 101                 getCredentials(username, password));
 102     }
 103
 104     private Credentials getCredentials(String username, String password) {
 105         if (mCredentials == null)
 106             mCredentials = new UsernamePasswordCredentials(username, password);
 107         return mCredentials;
 108     }
 109
 110     public void allowSelfsignedCertificates() {
 111         // https
 112         Protocol.registerProtocol("https", new Protocol("https",
 113                 new EasySSLSocketFactory(), 443));
 114     }
 115
 116     /**
 117      * Downloads a file in remoteFilepath to the local targetPath.
 118      *
 119      * @param remoteFilepath    Path to the file in the remote server, URL DECODED.
 120      * @param targetPath        Local path to save the downloaded file.
 121      * @return                  'True' when the file is successfully downloaded.
 122      */
 123     public boolean downloadFile(String remoteFilepath, File targetPath) {
 124         boolean ret = false;
 125         GetMethod get = new GetMethod(mUri.toString() + WebdavUtils.encodePath(remoteFilepath));
 126         HttpMethodParams params = get.getParams();
 127         params.setSoTimeout(0); // that means "infinite timeout"; it's the default value, but let's make it explicit
 128         get.setParams(params);
 129
 130         // get.setHeader("Host", mUri.getHost());
 131         // get.setHeader("User-Agent", "Android-ownCloud");
 132
 133         try {
 134             int status = executeMethod(get);
 135             Log.e(TAG, "status return: " + status);
 136             if (status == HttpStatus.SC_OK) {
 137                 targetPath.createNewFile();
 138                 BufferedInputStream bis = new BufferedInputStream(
 139                         get.getResponseBodyAsStream());
 140                 FileOutputStream fos = new FileOutputStream(targetPath);
 141
 142                 byte[] bytes = new byte[4096];
 143                 int readResult;
 144                 while ((readResult = bis.read(bytes)) != -1) {
 145                     if (mDataTransferListener != null)
 146                         mDataTransferListener.transferProgress(readResult);
 147                     fos.write(bytes, 0, readResult);
 148                 }
 149
 150             }
 151             ret = true;
 152         } catch (Throwable e) {
 153             e.printStackTrace();
 154             targetPath.delete();
 155         }
 156
 157         return ret;
 158     }
 159
 160     /**
 161      * Deletes a remote file via webdav
 162      * @param remoteFilePath       Remote file path of the file to delete, in URL DECODED format.
 163      * @return
 164      */
 165     public boolean deleteFile(String remoteFilePath){
 166         DavMethod delete = new DeleteMethod(mUri.toString() + WebdavUtils.encodePath(remoteFilePath));
 167         try {
 168             executeMethod(delete);
 169         }  catch (Throwable e) {
 170             Log.e(TAG, "Deleting failed with error: " + e.getMessage(), e);
 171             return false;
 172         }
 173         return true;
 174     }
 175
 176     public void setDataTransferProgressListener(OnDatatransferProgressListener listener) {
 177         mDataTransferListener = listener;
 178     }
 179
 180     /**
 181      * Creates or update a file in the remote server with the contents of a local file.
 182      *
 183      *
 184      * @param localFile         Path to the local file to upload.
 185      * @param remoteTarget      Remote path to the file to create or update, URL DECODED
 186      * @param contentType       MIME type of the file.
 187      * @return                  'True' then the upload was successfully completed
 188      */
 189     public boolean putFile(String localFile, String remoteTarget,
 190             String contentType) {
 191         boolean result = true;
 192
 193         try {
 194             Log.e("ASD", contentType + "");
 195             File f = new File(localFile);
 196             FileRequestEntity entity = new FileRequestEntity(f, contentType);
 197             entity.setOnDatatransferProgressListener(mDataTransferListener);
 198             Log.e("ASD", f.exists() + " " + entity.getContentLength());
 199             PutMethod put = new PutMethod(mUri.toString() + WebdavUtils.encodePath(remoteTarget));
 200             HttpMethodParams params = put.getParams();
 201             params.setSoTimeout(0); // that means "infinite timeout"; it's the default value, but let's make it explicit
 202             put.setParams(params);
 203             put.setRequestEntity(entity);
 204             Log.d(TAG, "" + put.getURI().toString());
 205             int status = executeMethod(put);
 206             Log.d(TAG, "PUT method return with status " + status);
 207
 208             Log.i(TAG, "Uploading, done");
 209         } catch (final Exception e) {
 210             Log.i(TAG, "" + e.getMessage());
 211             result = false;
 212         }
 213
 214         return result;
 215     }
 216
 217     /**
 218      * Tries to log in to the given WedDavURI, with the given credentials
 219      * @param uri To test
 220      * @param username Username to check
 221      * @param password Password to verify
 222      * @return A {@link HttpStatus}-Code of the result. SC_OK is good.
 223      */
 224     public static int tryToLogin(Uri uri, String username, String password) {
 225         int returnCode = 0;
 226         WebdavClient client = new WebdavClient();
 227         client.setCredentials(username, password);
 228         HeadMethod head = new HeadMethod(uri.toString());
 229         try {
 230             returnCode = client.executeMethod(head);
 231         } catch (Exception e) {
 232             Log.e(TAG, "Error: " + e.getMessage());
 233         }
 234         return returnCode;
 235     }
 236
 237     /**
 238      * Creates a remote directory with the received path.
 239      *
 240      * @param path      Path of the directory to create, URL DECODED
 241      * @return          'True' when the directory is successfully created
 242      */
 243     public boolean createDirectory(String path) {
 244         try {
 245             MkColMethod mkcol = new MkColMethod(mUri.toString() + WebdavUtils.encodePath(path));
 246             int status = executeMethod(mkcol);
 247             Log.d(TAG, "Status returned " + status);
 248             Log.d(TAG, "uri: " + mkcol.getURI().toString());
 249             Log.i(TAG, "Creating dir completed");
 250         } catch (final Exception e) {
 251             e.printStackTrace();
 252             return false;
 253         }
 254         return true;
 255     }
 256 }