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.BufferedOutputStream;
  22 import java.io.File;
  23 import java.io.FileOutputStream;
  24 import java.io.IOException;
  25 import java.io.InputStreamReader;
  26 import java.io.OutputStreamWriter;
  27
  28 import org.apache.http.HttpHost;
  29 import org.apache.http.HttpResponse;
  30 import org.apache.http.HttpStatus;
  31 import org.apache.http.HttpVersion;
  32 import org.apache.http.auth.AuthScope;
  33 import org.apache.http.auth.UsernamePasswordCredentials;
  34 import org.apache.http.client.methods.HttpGet;
  35 import org.apache.http.client.methods.HttpPut;
  36 import org.apache.http.conn.ClientConnectionManager;
  37 import org.apache.http.conn.params.ConnManagerPNames;
  38 import org.apache.http.conn.params.ConnPerRouteBean;
  39 import org.apache.http.conn.scheme.PlainSocketFactory;
  40 import org.apache.http.conn.scheme.Scheme;
  41 import org.apache.http.conn.scheme.SchemeRegistry;
  42 import org.apache.http.conn.ssl.SSLSocketFactory;
  43 import org.apache.http.entity.FileEntity;
  44 import org.apache.http.entity.mime.content.FileBody;
  45 import org.apache.http.impl.auth.BasicScheme;
  46 import org.apache.http.impl.client.DefaultHttpClient;
  47 import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;
  48 import org.apache.http.params.BasicHttpParams;
  49 import org.apache.http.params.HttpParams;
  50 import org.apache.http.params.HttpProtocolParams;
  51 import org.apache.http.protocol.BasicHttpContext;
  52
  53 import eu.alefzero.owncloud.authenticator.EasySSLSocketFactory;
  54
  55 import android.net.Uri;
  56 import android.util.Log;
  57
  58 /**
  59  * A basic WebDAV-Client
  60  * @author Bartek Przybylski
  61  *
  62  */
  63 public class WebdavClient {
  64   private DefaultHttpClient mHttpClient;
  65   private BasicHttpContext mHttpContext;
  66   private HttpHost mTargetHost;
  67   private SchemeRegistry mSchemeRegistry;
  68   private Uri mUri;
  69   final private static String TAG = "WebdavClient";
  70
  71   public WebdavClient(Uri uri) {
  72     mUri = uri;
  73     mSchemeRegistry = new SchemeRegistry();
  74     setupHttpClient();
  75   }
  76
  77   public void setCredentials(String username, String password) {
  78     // determine default port for http or https
  79     int targetPort = mTargetHost.getPort() == -1 ?
  80                         ( mUri.getScheme().equals("https") ? 443 : 80)
  81                         : mUri.getPort();
  82
  83     mHttpClient.getCredentialsProvider().setCredentials(
  84         new AuthScope(mUri.getHost(), targetPort),
  85         new UsernamePasswordCredentials(username, password));
  86     BasicScheme basicAuth = new BasicScheme();
  87     mHttpContext.setAttribute("preemptive-auth", basicAuth);
  88   }
  89
  90   public void allowUnsignedCertificates() {
  91     // https
  92     mSchemeRegistry.register(new Scheme("https", new EasySSLSocketFactory(), 443));
  93   }
  94
  95   public boolean downloadFile(String filepath, File targetPath) {
  96     HttpGet get = new HttpGet(mUri.toString() + filepath.replace(" ", "%20"));
  97     get.setHeader("Host", mUri.getHost());
  98     get.setHeader("User-Agent", "Android-ownCloud");
  99
 100     try {
 101       HttpResponse response = mHttpClient.execute(mTargetHost, get, mHttpContext);
 102       if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
 103         return false;
 104       }
 105       BufferedInputStream bis = new BufferedInputStream(response.getEntity().getContent());
 106       FileOutputStream fos = new FileOutputStream(targetPath);
 107
 108       byte[] bytes = new byte[512];
 109       int readResult;
 110       while ((readResult = bis.read(bytes)) != -1) fos.write(bytes, 0, readResult);
 111
 112     } catch (IOException e) {
 113       e.printStackTrace();
 114       return false;
 115     }
 116     return true;
 117   }
 118
 119   void getFileList(String dirPath) {
 120
 121   }
 122
 123   public boolean putFile(String localFile,
 124                   String remoteTarget,
 125                   String contentType) {
 126     boolean result = true;
 127     HttpPut method = new HttpPut(mUri.toString() + remoteTarget.replace(" ", "%20"));
 128     method.setHeader("Content-type", contentType);
 129     method.setHeader("Host", mUri.getHost());
 130     method.setHeader("User-Agent", "Android-ownCloud");
 131
 132     try {
 133       FileBody fb = new FileBody(new File(localFile, contentType));
 134       final FileEntity fileEntity = new FileEntity(new File(localFile), contentType);
 135
 136       method.setEntity(fileEntity);
 137       Log.i(TAG, "executing:" + method.getRequestLine().toString());
 138
 139       mHttpClient.execute(mTargetHost, method, mHttpContext);
 140       /*mHandler.post(new Runnable() {
 141       public void run() {
 142         Uploader.this.PartialupdateUpload(c.getString(c.getColumnIndex(Media.DATA)),
 143                                                   c.getString(c.getColumnIndex(Media.DISPLAY_NAME)),
 144                                                   mUploadPath + (mUploadPath.equals("/")?"":"/"),
 145                                                   fileEntity.getContentType().getValue(),
 146                                                   fileEntity.getContentLength()+"");
 147       }
 148     });
 149     Log.i(TAG, "Uploading, done");
 150 */
 151       Log.i(TAG, "Uploading, done");
 152     } catch (final Exception e) {
 153       Log.i(TAG, ""+e.getMessage());
 154       result = false;
 155     }
 156
 157     return result;
 158   }
 159
 160   public boolean createDirectory(String path) {
 161     HttpMkCol method = new HttpMkCol(mUri.toString() + path + "/");
 162     method.setHeader("User-Agent", "Android-ownCloud");
 163
 164     try {
 165       mHttpClient.execute(mTargetHost, method, mHttpContext);
 166       Log.i(TAG, "Creating dir completed");
 167     } catch (final Exception e) {
 168       e.printStackTrace();
 169       return false;
 170     }
 171     return true;
 172   }
 173
 174   private void setupHttpClient() {
 175     // http scheme
 176     mSchemeRegistry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
 177     mSchemeRegistry.register(new Scheme("https", SSLSocketFactory.getSocketFactory(), 443));
 178
 179     HttpParams params = new BasicHttpParams();
 180     params.setParameter(ConnManagerPNames.MAX_TOTAL_CONNECTIONS, 30);
 181     params.setParameter(ConnManagerPNames.MAX_CONNECTIONS_PER_ROUTE, new ConnPerRouteBean(30));
 182     params.setParameter(HttpProtocolParams.USE_EXPECT_CONTINUE, false);
 183     HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
 184
 185     mHttpContext = new BasicHttpContext();
 186     ClientConnectionManager cm = new ThreadSafeClientConnManager(params, mSchemeRegistry);
 187
 188     int port = mUri.getPort() == -1 ?
 189                  mUri.getScheme().equals("https") ? 443 : 80
 190                : mUri.getPort();
 191
 192     mTargetHost = new HttpHost(mUri.getHost(), port, mUri.getScheme());
 193
 194     mHttpClient = new DefaultHttpClient(cm, params);
 195   }
 196 }