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 import java.util.HashMap;
  25
  26 import org.apache.commons.httpclient.Credentials;
  27 import org.apache.commons.httpclient.HttpClient;
  28 import org.apache.commons.httpclient.HttpException;
  29 import org.apache.commons.httpclient.UsernamePasswordCredentials;
  30 import org.apache.commons.httpclient.auth.AuthScope;
  31 import org.apache.commons.httpclient.methods.GetMethod;
  32 import org.apache.commons.httpclient.methods.HeadMethod;
  33 import org.apache.commons.httpclient.methods.PutMethod;
  34 import org.apache.commons.httpclient.params.HttpMethodParams;
  35 import org.apache.commons.httpclient.protocol.Protocol;
  36 import org.apache.http.HttpStatus;
  37 import org.apache.jackrabbit.webdav.client.methods.DavMethod;
  38 import org.apache.jackrabbit.webdav.client.methods.DeleteMethod;
  39 import org.apache.jackrabbit.webdav.client.methods.MkColMethod;
  40
  41 import eu.alefzero.owncloud.AccountUtils;
  42 import eu.alefzero.owncloud.authenticator.AccountAuthenticator;
  43 import eu.alefzero.owncloud.authenticator.EasySSLSocketFactory;
  44 import eu.alefzero.owncloud.files.interfaces.OnDatatransferProgressListener;
  45 import eu.alefzero.owncloud.utils.OwnCloudVersion;
  46
  47 import android.accounts.Account;
  48 import android.accounts.AccountManager;
  49 import android.content.Context;
  50 import android.net.Uri;
  51 import android.util.Log;
  52
  53 public class WebdavClient extends HttpClient {
  54     private Uri mUri;
  55     private Credentials mCredentials;
  56     final private static String TAG = "WebdavClient";
  57     private static final String USER_AGENT = "Android-ownCloud";
  58     private OnDatatransferProgressListener mDataTransferListener;
  59     private static HashMap<String, WebdavClient> clients = new HashMap<String, WebdavClient>();
  60
  61     /**
  62      * Gets a WebdavClient setup for the current account
  63      * @param account The client accout
  64      * @param context The application context
  65      * @return
  66      */
  67     public static synchronized WebdavClient getInstance(Account account, Context context){
  68         WebdavClient instance = clients.get(account.name);
  69         if(instance == null ){
  70             OwnCloudVersion ownCloudVersion = new OwnCloudVersion(AccountManager.get(context).getUserData(account,
  71                     AccountAuthenticator.KEY_OC_VERSION));
  72             String baseUrl = AccountManager.get(context).getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL);
  73             String webDavPath = AccountUtils.getWebdavPath(ownCloudVersion);
  74             WebdavClient client = new WebdavClient();
  75
  76             String username = account.name.substring(0, account.name.indexOf('@'));
  77             String password = AccountManager.get(context).getPassword(account);
  78
  79             client.mUri = Uri.parse(baseUrl + webDavPath);
  80             client.getParams().setParameter(HttpMethodParams.USER_AGENT, USER_AGENT);
  81             client.setCredentials(username, password);
  82             client.allowSelfsignedCertificates();
  83             clients.put(account.name, client);
  84         }
  85         return instance;
  86     }
  87
  88     public void setCredentials(String username, String password) {
  89         getParams().setAuthenticationPreemptive(true);
  90         getState().setCredentials(AuthScope.ANY,
  91                 getCredentials(username, password));
  92     }
  93
  94     private Credentials getCredentials(String username, String password) {
  95         if (mCredentials == null)
  96             mCredentials = new UsernamePasswordCredentials(username, password);
  97         return mCredentials;
  98     }
  99
 100     public void allowSelfsignedCertificates() {
 101         // https
 102         Protocol.registerProtocol("https", new Protocol("https",
 103                 new EasySSLSocketFactory(), 443));
 104     }
 105
 106     public boolean downloadFile(String remoteFilepath, File targetPath) {
 107         // HttpGet get = new HttpGet(mUri.toString() + filepath.replace(" ",
 108         // "%20"));
 109         /* dvelasco - this is not necessary anymore; OCFile.mRemotePath (the origin of remoteFielPath) keeps valid URL strings
 110         String[] splitted_filepath = remoteFilepath.split("/");
 111         remoteFilepath = "";
 112         for (String s : splitted_filepath) {
 113             if (s.equals("")) continue;
 114             remoteFilepath += "/" + URLEncoder.encode(s);
 115         }
 116
 117         Log.e("ASD", mUri.toString() + remoteFilepath.replace(" ", "%20") + "");
 118         GetMethod get = new GetMethod(mUri.toString()
 119                 + remoteFilepath.replace(" ", "%20"));
 120         */
 121         GetMethod get = new GetMethod(mUri.toString() + remoteFilepath);
 122
 123         // get.setHeader("Host", mUri.getHost());
 124         // get.setHeader("User-Agent", "Android-ownCloud");
 125
 126         try {
 127             int status = executeMethod(get);
 128             Log.e(TAG, "status return: " + status);
 129             if (status != HttpStatus.SC_OK) {
 130                 return false;
 131             }
 132             BufferedInputStream bis = new BufferedInputStream(
 133                     get.getResponseBodyAsStream());
 134             FileOutputStream fos = new FileOutputStream(targetPath);
 135
 136             byte[] bytes = new byte[4096];
 137             int readResult;
 138             while ((readResult = bis.read(bytes)) != -1) {
 139                 if (mDataTransferListener != null)
 140                     mDataTransferListener.transferProgress(readResult);
 141                 fos.write(bytes, 0, readResult);
 142             }
 143
 144         } catch (IOException e) {
 145             e.printStackTrace();
 146             return false;
 147         }
 148         return true;
 149     }
 150
 151     /**
 152      * Deletes a remote file via webdav
 153      * @param remoteFilePath
 154      * @return
 155      */
 156     public boolean deleteFile(String remoteFilePath){
 157         DavMethod delete = new DeleteMethod(mUri.toString() + remoteFilePath);
 158         try {
 159             executeMethod(delete);
 160         }  catch (IOException e) {
 161             Log.e(TAG, "Logging failed with error: " + e.getMessage(), e);
 162             return false;
 163         }
 164         return true;
 165     }
 166
 167     public void setDataTransferProgressListener(OnDatatransferProgressListener listener) {
 168         mDataTransferListener = listener;
 169     }
 170
 171     public boolean putFile(String localFile, String remoteTarget,
 172             String contentType) {
 173         boolean result = true;
 174
 175         try {
 176             Log.e("ASD", contentType + "");
 177             File f = new File(localFile);
 178             FileRequestEntity entity = new FileRequestEntity(f, contentType);
 179             entity.setOnDatatransferProgressListener(mDataTransferListener);
 180             Log.e("ASD", f.exists() + " " + entity.getContentLength());
 181             PutMethod put = new PutMethod(mUri.toString() + remoteTarget);
 182             put.setRequestEntity(entity);
 183             Log.d(TAG, "" + put.getURI().toString());
 184             int status = executeMethod(put);
 185             Log.d(TAG, "PUT method return with status " + status);
 186
 187             Log.i(TAG, "Uploading, done");
 188         } catch (final Exception e) {
 189             Log.i(TAG, "" + e.getMessage());
 190             result = false;
 191         }
 192
 193         return result;
 194     }
 195
 196     /**
 197      * Tries to log in to the given WedDavURI, with the given credentials
 198      * @param uri To test
 199      * @param username Username to check
 200      * @param password Password to verify
 201      * @return A {@link HttpStatus}-Code of the result. SC_OK is good.
 202      */
 203     public int tryToLogin(Uri uri, String username, String password) {
 204         int returnCode = 0;
 205         setCredentials(username, password);
 206         HeadMethod head = new HeadMethod(uri.toString());
 207         try {
 208             returnCode = executeMethod(head);
 209         } catch (Exception e) {
 210             Log.e(TAG, "Error: " + e.getMessage());
 211         }
 212         return returnCode;
 213     }
 214
 215     public boolean createDirectory(String path) {
 216         try {
 217             MkColMethod mkcol = new MkColMethod(mUri.toString() + path);
 218             int status = executeMethod(mkcol);
 219             Log.d(TAG, "Status returned " + status);
 220             Log.d(TAG, "uri: " + mkcol.getURI().toString());
 221             Log.i(TAG, "Creating dir completed");
 222         } catch (final Exception e) {
 223             e.printStackTrace();
 224             return false;
 225         }
 226         return true;
 227     }
 228 }