+/* ownCloud Android Library is available under MIT license
+ * Copyright (C) 2014 ownCloud Inc.
+ *
+ * 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.operations;
+
+import java.util.ArrayList;
+
+import com.owncloud.android.authentication.AccountUtils;
+import com.owncloud.android.lib.common.OwnCloudClient;
+import com.owncloud.android.lib.common.operations.RemoteOperation;
+import com.owncloud.android.lib.common.operations.RemoteOperationResult;
+import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
+import com.owncloud.android.lib.resources.status.GetRemoteStatusOperation;
+import com.owncloud.android.lib.resources.status.OwnCloudVersion;
+import com.owncloud.android.operations.DetectAuthenticationMethodOperation.AuthenticationMethod;
+import com.owncloud.android.utils.Log_OC;
+
+import android.content.Context;
+
+/**
+ * Get basic information from an ownCloud server given its URL.
+ *
+ * Checks the existence of a configured ownCloud server in the URL, gets its version
+ * and finds out what authentication method is needed to access files in it.
+ *
+ * @author David A. Velasco
+ * @author masensio
+ */
+
+public class GetServerInfoOperation extends RemoteOperation {
+
+ private static final String TAG = GetServerInfoOperation.class.getSimpleName();
+
+ private String mUrl;
+ private String mAuthTokenType;
+ private Context mContext;
+
+ private ServerInfo mResultData;
+
+ /**
+ * Constructor.
+ *
+ * @param url URL to an ownCloud server.
+ * @param authTokenType Identifies the authorization token supported by the caller;
+ * TODO ugly dependency, get rid of it.
+ * @param context Android context; needed to check network state
+ * TODO ugly dependency, get rid of it.
+ */
+ public GetServerInfoOperation(String url, String authTokenType, Context context) {
+ mUrl = trimWebdavSuffix(url);
+ mAuthTokenType = authTokenType;
+ mContext = context;
+
+ mResultData = new ServerInfo();
+ }
+
+
+ /**
+ * Performs the operation
+ *
+ * @return Result of the operation. If successful, includes an instance of
+ * {@link ServerInfo} with the information retrieved from the server.
+ * Call {@link RemoteOperationResult#getData()}.get(0) to get it.
+ */
+ @Override
+ protected RemoteOperationResult run(OwnCloudClient client) {
+
+ // first: check the status of the server (including its version)
+ GetRemoteStatusOperation getStatus = new GetRemoteStatusOperation(mUrl, mContext);
+ RemoteOperationResult result = getStatus.execute(client);
+
+ if (result.isSuccess()) {
+ // second: get authentication method required by the server
+ mResultData.mVersion = (OwnCloudVersion)(result.getData().get(0));
+ boolean isSslConn = (result.getCode() == ResultCode.OK_SSL);
+ mResultData.mBaseUrl = normalizeProtocolPrefix(mUrl, isSslConn);
+ RemoteOperationResult detectAuthResult = detectAuthorizationMethod(client);
+
+ // third: merge results
+ if (detectAuthResult.isSuccess()) {
+ mResultData.mAuthMethod =
+ (AuthenticationMethod)detectAuthResult.getData().get(0);
+ ArrayList<Object> data = new ArrayList<Object>();
+ data.add(mResultData);
+ result.setData(data);
+ } else {
+ result = detectAuthResult;
+ }
+ }
+ return result;
+ }
+
+
+ private RemoteOperationResult detectAuthorizationMethod(OwnCloudClient client) {
+ Log_OC.d(TAG, "Trying empty authorization to detect authentication method");
+ String webdav_path = AccountUtils.getWebdavPath(mResultData.mVersion, mAuthTokenType);
+ String webdav_url = mResultData.mBaseUrl + webdav_path;
+ DetectAuthenticationMethodOperation operation =
+ new DetectAuthenticationMethodOperation(mContext, webdav_url);
+ return operation.execute(client);
+ }
+
+
+ private String trimWebdavSuffix(String url) {
+ if (url == null) {
+ url = "";
+ } else {
+ if (url.endsWith("/")) {
+ url = url.substring(0, url.length() - 1);
+ }
+ if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
+ url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
+ } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
+ url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
+ } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
+ url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
+ }
+ }
+ return url;
+ }
+
+
+ private String normalizeProtocolPrefix(String url, boolean isSslConn) {
+ if (!url.toLowerCase().startsWith("http://") &&
+ !url.toLowerCase().startsWith("https://")) {
+ if (isSslConn) {
+ return "https://" + url;
+ } else {
+ return "http://" + url;
+ }
+ }
+ return url;
+ }
+
+
+ public static class ServerInfo {
+ public OwnCloudVersion mVersion;
+ public String mBaseUrl;
+ public AuthenticationMethod mAuthMethod;
+ }
+
+}