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             clients.put(account.name, client);
  83         }
  84         return instance;
  85     }
  86
  87     public void setCredentials(String username, String password) {
  88         getParams().setAuthenticationPreemptive(true);
  89         getState().setCredentials(AuthScope.ANY,
  90                 getCredentials(username, password));
  91     }
  92
  93     private Credentials getCredentials(String username, String password) {
  94         if (mCredentials == null)
  95             mCredentials = new UsernamePasswordCredentials(username, password);
  96         return mCredentials;
  97     }
  98
  99     public void allowSelfsignedCertificates() {
 100         // https
 101         Protocol.registerProtocol("https", new Protocol("https",
 102                 new EasySSLSocketFactory(), 443));
 103     }
 104
 105     public boolean downloadFile(String remoteFilepath, File targetPath) {
 106         // HttpGet get = new HttpGet(mUri.toString() + filepath.replace(" ",
 107         // "%20"));
 108         /* dvelasco - this is not necessary anymore; OCFile.mRemotePath (the origin of remoteFielPath) keeps valid URL strings
 109         String[] splitted_filepath = remoteFilepath.split("/");
 110         remoteFilepath = "";
 111         for (String s : splitted_filepath) {
 112             if (s.equals("")) continue;
 113             remoteFilepath += "/" + URLEncoder.encode(s);
 114         }
 115
 116         Log.e("ASD", mUri.toString() + remoteFilepath.replace(" ", "%20") + "");
 117         GetMethod get = new GetMethod(mUri.toString()
 118                 + remoteFilepath.replace(" ", "%20"));
 119         */
 120         GetMethod get = new GetMethod(mUri.toString() + remoteFilepath);
 121
 122         // get.setHeader("Host", mUri.getHost());
 123         // get.setHeader("User-Agent", "Android-ownCloud");
 124
 125         try {
 126             int status = executeMethod(get);
 127             Log.e(TAG, "status return: " + status);
 128             if (status != HttpStatus.SC_OK) {
 129                 return false;
 130             }
 131             BufferedInputStream bis = new BufferedInputStream(
 132                     get.getResponseBodyAsStream());
 133             FileOutputStream fos = new FileOutputStream(targetPath);
 134
 135             byte[] bytes = new byte[4096];
 136             int readResult;
 137             while ((readResult = bis.read(bytes)) != -1) {
 138                 if (mDataTransferListener != null)
 139                     mDataTransferListener.transferProgress(readResult);
 140                 fos.write(bytes, 0, readResult);
 141             }
 142
 143         } catch (IOException e) {
 144             e.printStackTrace();
 145             return false;
 146         }
 147         return true;
 148     }
 149
 150     /**
 151      * Deletes a remote file via webdav
 152      * @param remoteFilePath
 153      * @return
 154      */
 155     public boolean deleteFile(String remoteFilePath){
 156         DavMethod delete = new DeleteMethod(mUri.toString() + remoteFilePath);
 157         try {
 158             executeMethod(delete);
 159         }  catch (IOException e) {
 160             Log.e(TAG, "Logging failed with error: " + e.getMessage(), e);
 161             return false;
 162         }
 163         return true;
 164     }
 165
 166     public void setDataTransferProgressListener(OnDatatransferProgressListener listener) {
 167         mDataTransferListener = listener;
 168     }
 169
 170     public boolean putFile(String localFile, String remoteTarget,
 171             String contentType) {
 172         boolean result = true;
 173
 174         try {
 175             Log.e("ASD", contentType + "");
 176             File f = new File(localFile);
 177             FileRequestEntity entity = new FileRequestEntity(f, contentType);
 178             entity.setOnDatatransferProgressListener(mDataTransferListener);
 179             Log.e("ASD", f.exists() + " " + entity.getContentLength());
 180             PutMethod put = new PutMethod(mUri.toString() + remoteTarget);
 181             put.setRequestEntity(entity);
 182             Log.d(TAG, "" + put.getURI().toString());
 183             int status = executeMethod(put);
 184             Log.d(TAG, "PUT method return with status " + status);
 185
 186             Log.i(TAG, "Uploading, done");
 187         } catch (final Exception e) {
 188             Log.i(TAG, "" + e.getMessage());
 189             result = false;
 190         }
 191
 192         return result;
 193     }
 194
 195     public int tryToLogin() {
 196         int r = 0;
 197         HeadMethod head = new HeadMethod(mUri.toString());
 198         try {
 199             r = executeMethod(head);
 200         } catch (Exception e) {
 201             Log.e(TAG, "Error: " + e.getMessage());
 202         }
 203         return r;
 204     }
 205
 206     public boolean createDirectory(String path) {
 207         try {
 208             MkColMethod mkcol = new MkColMethod(mUri.toString() + path);
 209             int status = executeMethod(mkcol);
 210             Log.d(TAG, "Status returned " + status);
 211             Log.d(TAG, "uri: " + mkcol.getURI().toString());
 212             Log.i(TAG, "Creating dir completed");
 213         } catch (final Exception e) {
 214             e.printStackTrace();
 215             return false;
 216         }
 217         return true;
 218     }
 219 }