+/* ownCloud Android Library is available under MIT license
+ * Copyright (C) 2014 ownCloud (http://www.owncloud.org/)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ */
+
+package com.owncloud.android.oc_framework.operations.remote;
+
+import org.apache.commons.httpclient.HttpStatus;
+import org.apache.commons.httpclient.methods.GetMethod;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import com.owncloud.android.oc_framework.accounts.AccountUtils;
+import com.owncloud.android.oc_framework.network.webdav.WebdavClient;
+import com.owncloud.android.oc_framework.operations.RemoteOperation;
+import com.owncloud.android.oc_framework.operations.RemoteOperationResult;
+import com.owncloud.android.oc_framework.utils.OwnCloudVersion;
+
+import android.content.Context;
+import android.net.ConnectivityManager;
+import android.net.Uri;
+import android.util.Log;
+
+/**
+ * Checks if the server is valid and if the server supports the Share API
+ *
+ * @author David A. Velasco
+ * @author masensio
+ *
+ */
+
+public class OwnCloudServerCheckOperation extends RemoteOperation {
+
+ /** Maximum time to wait for a response from the server when the connection is being tested, in MILLISECONDs. */
+ public static final int TRY_CONNECTION_TIMEOUT = 5000;
+
+ private static final String TAG = OwnCloudServerCheckOperation.class.getSimpleName();
+
+ private static final String OCVERSION_SHARED_SUPPORTED = "5.0.13";
+
+ private static final String NODE_INSTALLED = "installed";
+ private static final String NODE_VERSION = "version";
+ private static final String NODE_VERSIONSTRING = "versionstring";
+
+ private String mUrl;
+ private RemoteOperationResult mLatestResult;
+ private Context mContext;
+ private OwnCloudVersion mOCVersion;
+ private OwnCloudVersion mOCVersionString;
+
+ public OwnCloudServerCheckOperation(String url, Context context) {
+ mUrl = url;
+ mContext = context;
+ mOCVersion = null;
+ mOCVersionString = null;
+ }
+
+ public OwnCloudVersion getDiscoveredVersion() {
+ return mOCVersion;
+ }
+ public boolean isSharedSupported() {
+ OwnCloudVersion shareServer = new OwnCloudVersion(OCVERSION_SHARED_SUPPORTED);
+
+ return mOCVersionString.compareTo(shareServer) >= 0;
+ }
+
+ private boolean tryConnection(WebdavClient wc, String urlSt) {
+ boolean retval = false;
+ GetMethod get = null;
+ try {
+ get = new GetMethod(urlSt);
+ int status = wc.executeMethod(get, TRY_CONNECTION_TIMEOUT, TRY_CONNECTION_TIMEOUT);
+ String response = get.getResponseBodyAsString();
+ if (status == HttpStatus.SC_OK) {
+ JSONObject json = new JSONObject(response);
+ if (!json.getBoolean(NODE_INSTALLED)) {
+ mLatestResult = new RemoteOperationResult(RemoteOperationResult.ResultCode.INSTANCE_NOT_CONFIGURED);
+ } else {
+ mOCVersion = new OwnCloudVersion(json.getString(NODE_VERSION));
+ mOCVersionString = new OwnCloudVersion(json.getString(NODE_VERSIONSTRING), true);
+ if (!mOCVersion.isVersionValid()) {
+ mLatestResult = new RemoteOperationResult(RemoteOperationResult.ResultCode.BAD_OC_VERSION);
+
+ } else {
+ mLatestResult = new RemoteOperationResult(urlSt.startsWith("https://") ?
+ RemoteOperationResult.ResultCode.OK_SSL :
+ RemoteOperationResult.ResultCode.OK_NO_SSL
+ );
+
+ retval = true;
+ }
+ }
+
+ } else {
+ mLatestResult = new RemoteOperationResult(false, status, get.getResponseHeaders());
+ }
+
+ } catch (JSONException e) {
+ mLatestResult = new RemoteOperationResult(RemoteOperationResult.ResultCode.INSTANCE_NOT_CONFIGURED);
+
+ } catch (Exception e) {
+ mLatestResult = new RemoteOperationResult(e);
+
+ } finally {
+ if (get != null)
+ get.releaseConnection();
+ }
+
+ if (mLatestResult.isSuccess()) {
+ Log.i(TAG, "Connection check at " + urlSt + ": " + mLatestResult.getLogMessage());
+
+ } else if (mLatestResult.getException() != null) {
+ Log.e(TAG, "Connection check at " + urlSt + ": " + mLatestResult.getLogMessage(), mLatestResult.getException());
+
+ } else {
+ Log.e(TAG, "Connection check at " + urlSt + ": " + mLatestResult.getLogMessage());
+ }
+
+ return retval;
+ }
+
+ private boolean isOnline() {
+ ConnectivityManager cm = (ConnectivityManager) mContext
+ .getSystemService(Context.CONNECTIVITY_SERVICE);
+ return cm != null && cm.getActiveNetworkInfo() != null
+ && cm.getActiveNetworkInfo().isConnectedOrConnecting();
+ }
+
+ @Override
+ protected RemoteOperationResult run(WebdavClient client) {
+ if (!isOnline()) {
+ return new RemoteOperationResult(RemoteOperationResult.ResultCode.NO_NETWORK_CONNECTION);
+ }
+ if (mUrl.startsWith("http://") || mUrl.startsWith("https://")) {
+ tryConnection(client, mUrl + AccountUtils.STATUS_PATH);
+
+ } else {
+ client.setBaseUri(Uri.parse("https://" + mUrl + AccountUtils.STATUS_PATH));
+ boolean httpsSuccess = tryConnection(client, "https://" + mUrl + AccountUtils.STATUS_PATH);
+ if (!httpsSuccess && !mLatestResult.isSslRecoverableException()) {
+ Log.d(TAG, "establishing secure connection failed, trying non secure connection");
+ client.setBaseUri(Uri.parse("http://" + mUrl + AccountUtils.STATUS_PATH));
+ tryConnection(client, "http://" + mUrl + AccountUtils.STATUS_PATH);
+ }
+ }
+ return mLatestResult;
+ }
+
+}