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         GetMethod get = new GetMethod(mUri.toString() + remoteFilepath);
 101         HttpMethodParams params = get.getParams();
 102         params.setSoTimeout(0); // that means "infinite timeout"; it's the default value, but let's make it explicit
 103         get.setParams(params);
 104
 105         // get.setHeader("Host", mUri.getHost());
 106         // get.setHeader("User-Agent", "Android-ownCloud");
 107
 108         try {
 109             int status = executeMethod(get);
 110             Log.e(TAG, "status return: " + status);
 111             if (status != HttpStatus.SC_OK) {
 112                 return false;
 113             }
 114             BufferedInputStream bis = new BufferedInputStream(
 115                     get.getResponseBodyAsStream());
 116             FileOutputStream fos = new FileOutputStream(targetPath);
 117
 118             byte[] bytes = new byte[4096];
 119             int readResult;
 120             while ((readResult = bis.read(bytes)) != -1) {
 121                 if (mDataTransferListener != null)
 122                     mDataTransferListener.transferProgress(readResult);
 123                 fos.write(bytes, 0, readResult);
 124             }
 125
 126         } catch (IOException e) {
 127             e.printStackTrace();
 128             return false;
 129         }
 130         return true;
 131     }
 132
 133     /**
 134      * Deletes a remote file via webdav
 135      * @param remoteFilePath
 136      * @return
 137      */
 138     public boolean deleteFile(String remoteFilePath){
 139         DavMethod delete = new DeleteMethod(mUri.toString() + remoteFilePath);
 140         try {
 141             executeMethod(delete);
 142         }  catch (Throwable e) {
 143             Log.e(TAG, "Deleting failed with error: " + e.getMessage(), e);
 144             return false;
 145         }
 146         return true;
 147     }
 148
 149     public void setDataTransferProgressListener(OnDatatransferProgressListener listener) {
 150         mDataTransferListener = listener;
 151     }
 152
 153     public boolean putFile(String localFile, String remoteTarget,
 154             String contentType) {
 155         boolean result = true;
 156
 157         try {
 158             Log.e("ASD", contentType + "");
 159             File f = new File(localFile);
 160             FileRequestEntity entity = new FileRequestEntity(f, contentType);
 161             entity.setOnDatatransferProgressListener(mDataTransferListener);
 162             Log.e("ASD", f.exists() + " " + entity.getContentLength());
 163             PutMethod put = new PutMethod(mUri.toString() + remoteTarget);
 164             HttpMethodParams params = put.getParams();
 165             params.setSoTimeout(0); // that means "infinite timeout"; it's the default value, but let's make it explicit
 166             put.setParams(params);
 167             put.setRequestEntity(entity);
 168             Log.d(TAG, "" + put.getURI().toString());
 169             int status = executeMethod(put);
 170             Log.d(TAG, "PUT method return with status " + status);
 171
 172             Log.i(TAG, "Uploading, done");
 173         } catch (final Exception e) {
 174             Log.i(TAG, "" + e.getMessage());
 175             result = false;
 176         }
 177
 178         return result;
 179     }
 180
 181     /**
 182      * Tries to log in to the given WedDavURI, with the given credentials
 183      * @param uri To test
 184      * @param username Username to check
 185      * @param password Password to verify
 186      * @return A {@link HttpStatus}-Code of the result. SC_OK is good.
 187      */
 188     public static int tryToLogin(Uri uri, String username, String password) {
 189         int returnCode = 0;
 190         WebdavClient client = new WebdavClient();
 191         client.setCredentials(username, password);
 192         HeadMethod head = new HeadMethod(uri.toString());
 193         try {
 194             returnCode = client.executeMethod(head);
 195         } catch (Exception e) {
 196             Log.e(TAG, "Error: " + e.getMessage());
 197         }
 198         return returnCode;
 199     }
 200
 201     public boolean createDirectory(String path) {
 202         try {
 203             MkColMethod mkcol = new MkColMethod(mUri.toString() + path);
 204             int status = executeMethod(mkcol);
 205             Log.d(TAG, "Status returned " + status);
 206             Log.d(TAG, "uri: " + mkcol.getURI().toString());
 207             Log.i(TAG, "Creating dir completed");
 208         } catch (final Exception e) {
 209             e.printStackTrace();
 210             return false;
 211         }
 212         return true;
 213     }
 214 }