Cancellation of current download in details view - UI changes
[pub/Android/ownCloud.git] / src / eu / alefzero / webdav / WebdavClient.java
index 4b719fb..f3aca3e 100644 (file)
  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.\r
  *\r
  */\r
-package eu.alefzero.webdav;
-
-import java.io.BufferedInputStream;
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.net.URLDecoder;\r
-import java.net.URLEncoder;\r
-
+package eu.alefzero.webdav;\r
+\r
+import java.io.BufferedInputStream;\r
+import java.io.File;\r
+import java.io.FileOutputStream;\r
+import java.io.IOException;\r
+import java.io.InputStream;\r
+\r
 import org.apache.commons.httpclient.Credentials;\r
 import org.apache.commons.httpclient.HttpClient;\r
+import org.apache.commons.httpclient.HttpConnectionManager;\r
+import org.apache.commons.httpclient.HttpException;\r
+import org.apache.commons.httpclient.HttpMethodBase;\r
+import org.apache.commons.httpclient.HttpVersion;\r
 import org.apache.commons.httpclient.UsernamePasswordCredentials;\r
 import org.apache.commons.httpclient.auth.AuthScope;\r
 import org.apache.commons.httpclient.methods.GetMethod;\r
 import org.apache.commons.httpclient.methods.HeadMethod;\r
 import org.apache.commons.httpclient.methods.PutMethod;\r
-import org.apache.commons.httpclient.methods.RequestEntity;\r
 import org.apache.commons.httpclient.params.HttpMethodParams;\r
-import org.apache.commons.httpclient.protocol.Protocol;
 import org.apache.http.HttpStatus;\r
+import org.apache.http.params.CoreProtocolPNames;\r
+import org.apache.jackrabbit.webdav.client.methods.DavMethod;\r
+import org.apache.jackrabbit.webdav.client.methods.DeleteMethod;\r
 import org.apache.jackrabbit.webdav.client.methods.MkColMethod;\r
-
-import eu.alefzero.owncloud.authenticator.EasySSLSocketFactory;
-
+\r
 import android.net.Uri;\r
-import android.util.Log;
-
-public class WebdavClient extends HttpClient {
-  private Uri mUri;\r
-  private Credentials mCredentials;
-  final private static String TAG = "WebdavClient";\r
-  private static final String USER_AGENT = "Android-ownCloud";
-  
-  public WebdavClient(Uri uri) {
-    mUri = uri;\r
-    getParams().setParameter(HttpMethodParams.USER_AGENT, USER_AGENT);
-  }
-  
-  public void setCredentials(String username, String password) {\r
-    getParams().setAuthenticationPreemptive(true);
-    getState().setCredentials(AuthScope.ANY, getCredentials(username, password));
-  }
-  
-  private Credentials getCredentials(String username, String password) {\r
-    if (mCredentials == null)\r
-      mCredentials = new UsernamePasswordCredentials(username, password); \r
-    return mCredentials;\r
-  }\r
-\r
-  public void allowUnsignedCertificates() {
-    // https\r
-    Protocol.registerProtocol("https", new Protocol("https", new EasySSLSocketFactory(), 443));
-  }
-  
-  public boolean downloadFile(String filepath, File targetPath) {
-    //HttpGet get = new HttpGet(mUri.toString() + filepath.replace(" ", "%20"));\r
-   \r
-    Log.e("ASD", mUri.toString() + URLDecoder.decode(filepath) + "");\r
-    GetMethod get = new GetMethod(mUri.toString() + URLEncoder.encode(filepath));\r
-    
-//    get.setHeader("Host", mUri.getHost());
-//    get.setHeader("User-Agent", "Android-ownCloud");
-    
-    try {\r
-      Log.e("ASD", get.toString());
-      int status = executeMethod(get);
-      if (status != HttpStatus.SC_OK) {
-        return false;
-      }
-      BufferedInputStream bis = new BufferedInputStream(get.getResponseBodyAsStream());
-      FileOutputStream fos = new FileOutputStream(targetPath);
-      
-      byte[] bytes = new byte[512];
-      int readResult;
-      while ((readResult = bis.read(bytes)) != -1) fos.write(bytes, 0, readResult);
-      
-    } catch (IOException e) {
-      e.printStackTrace();
-      return false;
-    }
-    return true;
-  }
-  
-  public boolean putFile(String localFile,
-                  String remoteTarget,
-                  String contentType) {
-    boolean result = true;
-
-    try {\r
-      Log.e("ASD", contentType+"");\r
-      File f = new File(localFile);
-      RequestEntity entity = new FileRequestEntity(f, contentType);\r
-      Log.e("ASD", f.exists()+" " + entity.getContentLength());\r
-      PutMethod put = new PutMethod(mUri.toString() + remoteTarget);\r
-      put.setRequestEntity(entity);\r
-      Log.d(TAG, "" + put.getURI().toString());\r
-      int status = executeMethod(put);\r
-      Log.d(TAG, "PUT method return with status "+status);
-
-      Log.i(TAG, "Uploading, done");
-    } catch (final Exception e) {
-      Log.i(TAG, ""+e.getMessage());
-      result = false;
-    }
-    
-    return result;
-  }
-  \r
-  public int tryToLogin() {\r
-    int r = 0; \r
-    HeadMethod head = new HeadMethod(mUri.toString());\r
-    try {\r
-      r = executeMethod(head);\r
-    } catch (Exception e) {\r
-      Log.e(TAG, "Error: " + e.getMessage());\r
-    }\r
-    return r;\r
-  }\r
-
-  public boolean createDirectory(String path) {
-    try {\r
-      MkColMethod mkcol = new MkColMethod(mUri.toString() + "/" + path + "/");
-      int status = executeMethod(mkcol);\r
-      Log.d(TAG, "Status returned " + status);\r
-      Log.d(TAG, "uri: " + mkcol.getURI().toString());
-      Log.i(TAG, "Creating dir completed");
-    } catch (final Exception e) {
-      e.printStackTrace();
-      return false;
-    }
-    return true;
-  }
-}
+import android.util.Log;\r
+\r
+public class WebdavClient extends HttpClient {\r
+    private Uri mUri;\r
+    private Credentials mCredentials;\r
+    final private static String TAG = "WebdavClient";\r
+    private static final String USER_AGENT = "Android-ownCloud";\r
+    \r
+    private OnDatatransferProgressListener mDataTransferListener;\r
+    static private byte[] sExhaustBuffer = new byte[1024];\r
+    \r
+    /**\r
+     * Constructor\r
+     */\r
+    public WebdavClient(HttpConnectionManager connectionMgr) {\r
+        super(connectionMgr);\r
+        Log.d(TAG, "Creating WebdavClient");\r
+        getParams().setParameter(HttpMethodParams.USER_AGENT, USER_AGENT);\r
+        getParams().setParameter(CoreProtocolPNames.PROTOCOL_VERSION, HttpVersion.HTTP_1_1);\r
+    }\r
+\r
+    public void setCredentials(String username, String password) {\r
+        getParams().setAuthenticationPreemptive(true);\r
+        getState().setCredentials(AuthScope.ANY,\r
+                getCredentials(username, password));\r
+    }\r
+\r
+    private Credentials getCredentials(String username, String password) {\r
+        if (mCredentials == null)\r
+            mCredentials = new UsernamePasswordCredentials(username, password);\r
+        return mCredentials;\r
+    }\r
+    \r
+    /**\r
+     * Downloads a file in remoteFilepath to the local targetPath.\r
+     * \r
+     * @param remoteFilepath    Path to the file in the remote server, URL DECODED. \r
+     * @param targetFile        Local path to save the downloaded file.\r
+     * @return                  'True' when the file is successfully downloaded.\r
+     */\r
+    public boolean downloadFile(String remoteFilePath, File targetFile) {\r
+        boolean ret = false;\r
+        GetMethod get = new GetMethod(mUri.toString() + WebdavUtils.encodePath(remoteFilePath));\r
+\r
+        try {\r
+            int status = executeMethod(get);\r
+            if (status == HttpStatus.SC_OK) {\r
+                targetFile.createNewFile();\r
+                BufferedInputStream bis = new BufferedInputStream(\r
+                        get.getResponseBodyAsStream());\r
+                FileOutputStream fos = new FileOutputStream(targetFile);\r
+\r
+                byte[] bytes = new byte[4096];\r
+                int readResult;\r
+                while ((readResult = bis.read(bytes)) != -1) {\r
+                    if (mDataTransferListener != null)\r
+                        mDataTransferListener.transferProgress(readResult);\r
+                    fos.write(bytes, 0, readResult);\r
+                }\r
+                fos.close();\r
+                ret = true;\r
+            } else {\r
+                exhaustResponse(get.getResponseBodyAsStream());\r
+            }\r
+            Log.e(TAG, "Download of " + remoteFilePath + " to " + targetFile + " finished with HTTP status " + status + (!ret?"(FAIL)":""));\r
+        } catch (Exception e) {\r
+            logException(e, "dowloading " + remoteFilePath);\r
+            \r
+        } finally {\r
+            if (!ret && targetFile.exists()) {\r
+                targetFile.delete();\r
+            }\r
+            get.releaseConnection();    // let the connection available for other methods\r
+        }\r
+        return ret;\r
+    }\r
+    \r
+    /**\r
+     * Deletes a remote file via webdav\r
+     * @param remoteFilePath       Remote file path of the file to delete, in URL DECODED format.\r
+     * @return\r
+     */\r
+    public boolean deleteFile(String remoteFilePath) {\r
+        boolean ret = false;\r
+        DavMethod delete = new DeleteMethod(mUri.toString() + WebdavUtils.encodePath(remoteFilePath));\r
+        try {\r
+            int status = executeMethod(delete);\r
+            ret = (status == HttpStatus.SC_OK || status == HttpStatus.SC_ACCEPTED || status == HttpStatus.SC_NO_CONTENT);\r
+            exhaustResponse(delete.getResponseBodyAsStream());\r
+            \r
+            Log.e(TAG, "DELETE of " + remoteFilePath + " finished with HTTP status " + status +  (!ret?"(FAIL)":""));\r
+            \r
+        } catch (Exception e) {\r
+            logException(e, "deleting " + remoteFilePath);\r
+            \r
+        } finally {\r
+            delete.releaseConnection();    // let the connection available for other methods\r
+        }\r
+        return ret;\r
+    }\r
+\r
+    \r
+    public void setDataTransferProgressListener(OnDatatransferProgressListener listener) {\r
+        mDataTransferListener = listener;\r
+    }\r
+    \r
+    /**\r
+     * Creates or update a file in the remote server with the contents of a local file.\r
+     * \r
+     * @param localFile         Path to the local file to upload.\r
+     * @param remoteTarget      Remote path to the file to create or update, URL DECODED\r
+     * @param contentType       MIME type of the file.\r
+     * @return                  Status HTTP code returned by the server.\r
+     * @throws IOException      When a transport error that could not be recovered occurred while uploading the file to the server.\r
+     * @throws HttpException    When a violation of the HTTP protocol occurred. \r
+     */\r
+    public int putFile(String localFile, String remoteTarget, String contentType) throws HttpException, IOException {\r
+        int status = -1;\r
+        PutMethod put = new PutMethod(mUri.toString() + WebdavUtils.encodePath(remoteTarget));\r
+        \r
+        try {\r
+            File f = new File(localFile);\r
+            FileRequestEntity entity = new FileRequestEntity(f, contentType);\r
+            entity.setOnDatatransferProgressListener(mDataTransferListener);\r
+            put.setRequestEntity(entity);\r
+            status = executeMethod(put);\r
+            \r
+            exhaustResponse(put.getResponseBodyAsStream());\r
+            \r
+        } finally {\r
+            put.releaseConnection();    // let the connection available for other methods\r
+        }\r
+        return status;\r
+    }\r
+    \r
+    /**\r
+     * Tries to log in to the current URI, with the current credentials\r
+     * \r
+     * @return A {@link HttpStatus}-Code of the result. SC_OK is good.\r
+     */\r
+    public int tryToLogin() {\r
+        int status = 0;\r
+        HeadMethod head = new HeadMethod(mUri.toString());\r
+        try {\r
+            status = executeMethod(head);\r
+            boolean result = status == HttpStatus.SC_OK;\r
+            Log.d(TAG, "HEAD for " + mUri + " finished with HTTP status " + status + (!result?"(FAIL)":""));\r
+            exhaustResponse(head.getResponseBodyAsStream());\r
+            \r
+        } catch (Exception e) {\r
+            logException(e, "trying to login at " + mUri.toString());\r
+            \r
+        } finally {\r
+            head.releaseConnection();\r
+        }\r
+        return status;\r
+    }\r
+\r
+    /**\r
+     * Creates a remote directory with the received path.\r
+     * \r
+     * @param path      Path of the directory to create, URL DECODED\r
+     * @return          'True' when the directory is successfully created\r
+     */\r
+    public boolean createDirectory(String path) {\r
+        boolean result = false;\r
+        int status = -1;\r
+        MkColMethod mkcol = new MkColMethod(mUri.toString() + WebdavUtils.encodePath(path));\r
+        try {\r
+            Log.d(TAG, "Creating directory " + path);\r
+            status = executeMethod(mkcol);\r
+            Log.d(TAG, "Status returned: " + status);\r
+            result = mkcol.succeeded();\r
+            \r
+            Log.d(TAG, "MKCOL to " + path + " finished with HTTP status " + status + (!result?"(FAIL)":""));\r
+            exhaustResponse(mkcol.getResponseBodyAsStream());\r
+            \r
+        } catch (Exception e) {\r
+            logException(e, "creating directory " + path);\r
+            \r
+        } finally {\r
+            mkcol.releaseConnection();    // let the connection available for other methods\r
+        }\r
+        return result;\r
+    }\r
+    \r
+    \r
+    /**\r
+     * Check if a file exists in the OC server\r
+     * \r
+     * @return              'true' if the file exists; 'false' it doesn't exist\r
+     * @throws  Exception   When the existence could not be determined\r
+     */\r
+    public boolean existsFile(String path) throws IOException, HttpException {\r
+        HeadMethod head = new HeadMethod(mUri.toString() + WebdavUtils.encodePath(path));\r
+        try {\r
+            int status = executeMethod(head);\r
+            Log.d(TAG, "HEAD to " + path + " finished with HTTP status " + status + ((status != HttpStatus.SC_OK)?"(FAIL)":""));\r
+            exhaustResponse(head.getResponseBodyAsStream());\r
+            return (status == HttpStatus.SC_OK);\r
+            \r
+        } finally {\r
+            head.releaseConnection();    // let the connection available for other methods\r
+        }\r
+    }\r
+\r
+\r
+    /**\r
+     * Requests the received method with the received timeout (milliseconds).\r
+     * \r
+     * Executes the method through the inherited HttpClient.executedMethod(method).\r
+     * \r
+     * Sets the socket and connection timeouts only for the method received.\r
+     * \r
+     * The timeouts are both in milliseconds; 0 means 'infinite'; < 0 means 'do not change the default'\r
+     * \r
+     * @param method            HTTP method request.\r
+     * @param readTimeout       Timeout to set for data reception\r
+     * @param conntionTimout    Timeout to set for connection establishment\r
+     */\r
+    public int executeMethod(HttpMethodBase method, int readTimeout, int connectionTimeout) throws HttpException, IOException {\r
+        int oldSoTimeout = getParams().getSoTimeout();\r
+        int oldConnectionTimeout = getHttpConnectionManager().getParams().getConnectionTimeout();\r
+        try {\r
+            if (readTimeout >= 0) { \r
+                method.getParams().setSoTimeout(readTimeout);   // this should be enough...\r
+                getParams().setSoTimeout(readTimeout);          // ... but this looks like necessary for HTTPS\r
+            }\r
+            if (connectionTimeout >= 0) {\r
+                getHttpConnectionManager().getParams().setConnectionTimeout(connectionTimeout);\r
+            }\r
+            return executeMethod(method);\r
+        } finally {\r
+            getParams().setSoTimeout(oldSoTimeout);\r
+            getHttpConnectionManager().getParams().setConnectionTimeout(oldConnectionTimeout);\r
+        }\r
+    }\r
+\r
+    /**\r
+     * Exhausts a not interesting HTTP response. Encouraged by HttpClient documentation.\r
+     * \r
+     * @param responseBodyAsStream      InputStream with the HTTP response to exhaust.\r
+     */\r
+    public void exhaustResponse(InputStream responseBodyAsStream) {\r
+        if (responseBodyAsStream != null) {\r
+            try {\r
+                while (responseBodyAsStream.read(sExhaustBuffer) >= 0);\r
+                responseBodyAsStream.close();\r
+            \r
+            } catch (IOException io) {\r
+                Log.e(TAG, "Unexpected exception while exhausting not interesting HTTP response; will be IGNORED", io);\r
+            }\r
+        }\r
+    }\r
+\r
+\r
+    /**\r
+     * Logs an exception triggered in a HTTP request. \r
+     * \r
+     * @param e         Caught exception.\r
+     * @param doing     Suffix to add at the end of the logged message.\r
+     */\r
+    private void logException(Exception e, String doing) {\r
+        if (e instanceof HttpException) {\r
+            Log.e(TAG, "HTTP violation while " + doing, e);\r
+\r
+        } else if (e instanceof IOException) {\r
+            Log.e(TAG, "Unrecovered transport exception while " + doing, e);\r
+\r
+        } else {\r
+            Log.e(TAG, "Unexpected exception while " + doing, e);\r
+        }\r
+    }\r
+\r
+    \r
+    /**\r
+     * Sets the connection and wait-for-data timeouts to be applied by default to the methods performed by this client.\r
+     */\r
+    public void setDefaultTimeouts(int defaultDataTimeout, int defaultConnectionTimeout) {\r
+            getParams().setSoTimeout(defaultDataTimeout);\r
+            getHttpConnectionManager().getParams().setConnectionTimeout(defaultConnectionTimeout);\r
+    }\r
+\r
+    /**\r
+     * Sets the base URI for the helper methods that receive paths as parameters, instead of full URLs\r
+     * @param uri\r
+     */\r
+    public void setBaseUri(Uri uri) {\r
+        mUri = uri;\r
+    }\r
+\r
+    public Uri getBaseUri() {\r
+        return mUri;\r
+    }\r
+    \r
+}\r