X-Git-Url: http://git.linex4red.de/pub/Android/ownCloud.git/blobdiff_plain/8e36e7cc3e6218ccb80ee2af3eb0a19df24e339f..db1ea015619a1cc5a3886ea90dc20f910fc6dd9e:/src/eu/alefzero/webdav/WebdavClient.java diff --git a/src/eu/alefzero/webdav/WebdavClient.java b/src/eu/alefzero/webdav/WebdavClient.java index 704e14af..f25e3906 100644 --- a/src/eu/alefzero/webdav/WebdavClient.java +++ b/src/eu/alefzero/webdav/WebdavClient.java @@ -3,9 +3,8 @@ * Copyright (C) 2012-2013 ownCloud Inc. * * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or - * (at your option) any later version. + * it under the terms of the GNU General Public License version 2, + * as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -16,44 +15,51 @@ * along with this program. If not, see . * */ + package eu.alefzero.webdav; -import java.io.BufferedInputStream; -import java.io.File; -import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; +import java.util.ArrayList; +import java.util.List; import org.apache.commons.httpclient.Credentials; +import org.apache.commons.httpclient.Header; import org.apache.commons.httpclient.HttpClient; import org.apache.commons.httpclient.HttpConnectionManager; import org.apache.commons.httpclient.HttpException; +import org.apache.commons.httpclient.HttpMethod; import org.apache.commons.httpclient.HttpMethodBase; import org.apache.commons.httpclient.HttpVersion; +import org.apache.commons.httpclient.URI; import org.apache.commons.httpclient.UsernamePasswordCredentials; +import org.apache.commons.httpclient.auth.AuthPolicy; import org.apache.commons.httpclient.auth.AuthScope; -import org.apache.commons.httpclient.methods.GetMethod; +import org.apache.commons.httpclient.cookie.CookiePolicy; import org.apache.commons.httpclient.methods.HeadMethod; -import org.apache.commons.httpclient.methods.PutMethod; import org.apache.commons.httpclient.params.HttpMethodParams; import org.apache.http.HttpStatus; import org.apache.http.params.CoreProtocolPNames; -import org.apache.jackrabbit.webdav.client.methods.DavMethod; -import org.apache.jackrabbit.webdav.client.methods.DeleteMethod; -import org.apache.jackrabbit.webdav.client.methods.MkColMethod; import com.owncloud.android.Log_OC; +import com.owncloud.android.authentication.AccountAuthenticator; +import com.owncloud.android.network.BearerAuthScheme; +import com.owncloud.android.network.BearerCredentials; + import android.net.Uri; -import android.util.Log; public class WebdavClient extends HttpClient { + private static final int MAX_REDIRECTIONS_COUNT = 3; + private Uri mUri; private Credentials mCredentials; + private boolean mFollowRedirects; + private String mSsoSessionCookie; + private String mAuthTokenType; final private static String TAG = "WebdavClient"; - private static final String USER_AGENT = "Android-ownCloud"; + public static final String USER_AGENT = "Android-ownCloud"; - private OnDatatransferProgressListener mDataTransferListener; static private byte[] sExhaustBuffer = new byte[1024]; /** @@ -64,177 +70,50 @@ public class WebdavClient extends HttpClient { Log_OC.d(TAG, "Creating WebdavClient"); getParams().setParameter(HttpMethodParams.USER_AGENT, USER_AGENT); getParams().setParameter(CoreProtocolPNames.PROTOCOL_VERSION, HttpVersion.HTTP_1_1); + mFollowRedirects = true; + mSsoSessionCookie = null; + mAuthTokenType = AccountAuthenticator.AUTH_TOKEN_TYPE_PASSWORD; } - public void setCredentials(String username, String password) { - getParams().setAuthenticationPreemptive(true); - getState().setCredentials(AuthScope.ANY, - getCredentials(username, password)); - } - - private Credentials getCredentials(String username, String password) { - if (mCredentials == null) - mCredentials = new UsernamePasswordCredentials(username, password); - return mCredentials; - } - - /** - * Downloads a file in remoteFilepath to the local targetPath. - * - * @param remoteFilepath Path to the file in the remote server, URL DECODED. - * @param targetFile Local path to save the downloaded file. - * @return 'True' when the file is successfully downloaded. - */ - public boolean downloadFile(String remoteFilePath, File targetFile) { - boolean ret = false; - GetMethod get = new GetMethod(mUri.toString() + WebdavUtils.encodePath(remoteFilePath)); - - try { - int status = executeMethod(get); - if (status == HttpStatus.SC_OK) { - targetFile.createNewFile(); - BufferedInputStream bis = new BufferedInputStream( - get.getResponseBodyAsStream()); - FileOutputStream fos = new FileOutputStream(targetFile); - - byte[] bytes = new byte[4096]; - int readResult; - while ((readResult = bis.read(bytes)) != -1) { - if (mDataTransferListener != null) - mDataTransferListener.onTransferProgress(readResult); - fos.write(bytes, 0, readResult); - } - fos.close(); - ret = true; - } else { - exhaustResponse(get.getResponseBodyAsStream()); - } - Log_OC.e(TAG, "Download of " + remoteFilePath + " to " + targetFile + " finished with HTTP status " + status + (!ret?"(FAIL)":"")); - } catch (Exception e) { - logException(e, "dowloading " + remoteFilePath); - - } finally { - if (!ret && targetFile.exists()) { - targetFile.delete(); - } - get.releaseConnection(); // let the connection available for other methods - } - return ret; - } - - /** - * Deletes a remote file via webdav - * @param remoteFilePath Remote file path of the file to delete, in URL DECODED format. - * @return - */ - public boolean deleteFile(String remoteFilePath) { - boolean ret = false; - DavMethod delete = new DeleteMethod(mUri.toString() + WebdavUtils.encodePath(remoteFilePath)); - try { - int status = executeMethod(delete); - ret = (status == HttpStatus.SC_OK || status == HttpStatus.SC_ACCEPTED || status == HttpStatus.SC_NO_CONTENT); - exhaustResponse(delete.getResponseBodyAsStream()); - - Log.e(TAG, "DELETE of " + remoteFilePath + " finished with HTTP status " + status + (!ret?"(FAIL)":"")); - - } catch (Exception e) { - logException(e, "deleting " + remoteFilePath); - - } finally { - delete.releaseConnection(); // let the connection available for other methods - } - return ret; + public void setBearerCredentials(String accessToken) { + AuthPolicy.registerAuthScheme(BearerAuthScheme.AUTH_POLICY, BearerAuthScheme.class); + + List authPrefs = new ArrayList(1); + authPrefs.add(BearerAuthScheme.AUTH_POLICY); + getParams().setParameter(AuthPolicy.AUTH_SCHEME_PRIORITY, authPrefs); + + mCredentials = new BearerCredentials(accessToken); + getState().setCredentials(AuthScope.ANY, mCredentials); + mSsoSessionCookie = null; + mAuthTokenType = AccountAuthenticator.AUTH_TOKEN_TYPE_ACCESS_TOKEN; } - - public void setDataTransferProgressListener(OnDatatransferProgressListener listener) { - mDataTransferListener = listener; - } - - /** - * Creates or update a file in the remote server with the contents of a local file. - * - * @param localFile Path to the local file to upload. - * @param remoteTarget Remote path to the file to create or update, URL DECODED - * @param contentType MIME type of the file. - * @return Status HTTP code returned by the server. - * @throws IOException When a transport error that could not be recovered occurred while uploading the file to the server. - * @throws HttpException When a violation of the HTTP protocol occurred. - */ - public int putFile(String localFile, String remoteTarget, String contentType) throws HttpException, IOException { - int status = -1; - PutMethod put = new PutMethod(mUri.toString() + WebdavUtils.encodePath(remoteTarget)); + public void setBasicCredentials(String username, String password) { + List authPrefs = new ArrayList(1); + authPrefs.add(AuthPolicy.BASIC); + getParams().setParameter(AuthPolicy.AUTH_SCHEME_PRIORITY, authPrefs); - try { - File f = new File(localFile); - FileRequestEntity entity = new FileRequestEntity(f, contentType); - entity.addOnDatatransferProgressListener(mDataTransferListener); - put.setRequestEntity(entity); - status = executeMethod(put); - - exhaustResponse(put.getResponseBodyAsStream()); - - } finally { - put.releaseConnection(); // let the connection available for other methods - } - return status; + getParams().setAuthenticationPreemptive(true); + mCredentials = new UsernamePasswordCredentials(username, password); + getState().setCredentials(AuthScope.ANY, mCredentials); + mSsoSessionCookie = null; + mAuthTokenType = AccountAuthenticator.AUTH_TOKEN_TYPE_PASSWORD; } - /** - * Tries to log in to the current URI, with the current credentials - * - * @return A {@link HttpStatus}-Code of the result. SC_OK is good. - */ - public int tryToLogin() { - int status = 0; - HeadMethod head = new HeadMethod(mUri.toString()); - try { - status = executeMethod(head); - boolean result = status == HttpStatus.SC_OK; - Log_OC.d(TAG, "HEAD for " + mUri + " finished with HTTP status " + status + (!result?"(FAIL)":"")); - exhaustResponse(head.getResponseBodyAsStream()); - - } catch (Exception e) { - logException(e, "trying to login at " + mUri.toString()); - - } finally { - head.releaseConnection(); - } - return status; - } - - /** - * Creates a remote directory with the received path. - * - * @param path Path of the directory to create, URL DECODED - * @return 'True' when the directory is successfully created - */ - public boolean createDirectory(String path) { - boolean result = false; - int status = -1; - MkColMethod mkcol = new MkColMethod(mUri.toString() + WebdavUtils.encodePath(path)); - try { - Log_OC.d(TAG, "Creating directory " + path); - status = executeMethod(mkcol); - Log_OC.d(TAG, "Status returned: " + status); - result = mkcol.succeeded(); - - Log_OC.d(TAG, "MKCOL to " + path + " finished with HTTP status " + status + (!result?"(FAIL)":"")); - exhaustResponse(mkcol.getResponseBodyAsStream()); - - } catch (Exception e) { - logException(e, "creating directory " + path); - - } finally { - mkcol.releaseConnection(); // let the connection available for other methods - } - return result; + public void setSsoSessionCookie(String accessToken) { + getParams().setAuthenticationPreemptive(false); + getParams().setCookiePolicy(CookiePolicy.IGNORE_COOKIES); + mSsoSessionCookie = accessToken; + mCredentials = null; + mAuthTokenType = AccountAuthenticator.AUTH_TOKEN_TYPE_SAML_WEB_SSO_SESSION_COOKIE; } /** * Check if a file exists in the OC server * + * TODO replace with ExistenceOperation + * * @return 'true' if the file exists; 'false' it doesn't exist * @throws Exception When the existence could not be determined */ @@ -250,8 +129,7 @@ public class WebdavClient extends HttpClient { head.releaseConnection(); // let the connection available for other methods } } - - + /** * Requests the received method with the received timeout (milliseconds). * @@ -282,6 +160,45 @@ public class WebdavClient extends HttpClient { getHttpConnectionManager().getParams().setConnectionTimeout(oldConnectionTimeout); } } + + + @Override + public int executeMethod(HttpMethod method) throws IOException, HttpException { + boolean customRedirectionNeeded = false; + try { + method.setFollowRedirects(mFollowRedirects); + } catch (Exception e) { + if (mFollowRedirects) Log_OC.d(TAG, "setFollowRedirects failed for " + method.getName() + " method, custom redirection will be used"); + customRedirectionNeeded = mFollowRedirects; + } + if (mSsoSessionCookie != null && mSsoSessionCookie.length() > 0) { + method.setRequestHeader("Cookie", mSsoSessionCookie); + } + int status = super.executeMethod(method); + int redirectionsCount = 0; + while (customRedirectionNeeded && + redirectionsCount < MAX_REDIRECTIONS_COUNT && + ( status == HttpStatus.SC_MOVED_PERMANENTLY || + status == HttpStatus.SC_MOVED_TEMPORARILY || + status == HttpStatus.SC_TEMPORARY_REDIRECT) + ) { + + Header location = method.getResponseHeader("Location"); + if (location != null) { + Log_OC.d(TAG, "Location to redirect: " + location.getValue()); + method.setURI(new URI(location.getValue(), true)); + status = super.executeMethod(method); + redirectionsCount++; + + } else { + Log_OC.d(TAG, "No location to redirect!"); + status = HttpStatus.SC_NOT_FOUND; + } + } + + return status; + } + /** * Exhausts a not interesting HTTP response. Encouraged by HttpClient documentation. @@ -300,26 +217,6 @@ public class WebdavClient extends HttpClient { } } - - /** - * Logs an exception triggered in a HTTP request. - * - * @param e Caught exception. - * @param doing Suffix to add at the end of the logged message. - */ - private void logException(Exception e, String doing) { - if (e instanceof HttpException) { - Log_OC.e(TAG, "HTTP violation while " + doing, e); - - } else if (e instanceof IOException) { - Log_OC.e(TAG, "Unrecovered transport exception while " + doing, e); - - } else { - Log_OC.e(TAG, "Unexpected exception while " + doing, e); - } - } - - /** * Sets the connection and wait-for-data timeouts to be applied by default to the methods performed by this client. */ @@ -340,4 +237,20 @@ public class WebdavClient extends HttpClient { return mUri; } + public final Credentials getCredentials() { + return mCredentials; + } + + public final String getSsoSessionCookie() { + return mSsoSessionCookie; + } + + public void setFollowRedirects(boolean followRedirects) { + mFollowRedirects = followRedirects; + } + + public String getAuthTokenType() { + return mAuthTokenType; + } + }