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