Peters Git server - pub/Android/ownCloud.git/blob

   1 /* ownCloud Android Library is available under MIT license
   2  *   Copyright (C) 2014 ownCloud (http://www.owncloud.org/)
   3  *
   4  *   Permission is hereby granted, free of charge, to any person obtaining a copy
   5  *   of this software and associated documentation files (the "Software"), to deal
   6  *   in the Software without restriction, including without limitation the rights
   7  *   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   8  *   copies of the Software, and to permit persons to whom the Software is
   9  *   furnished to do so, subject to the following conditions:
  10  *
  11  *   The above copyright notice and this permission notice shall be included in
  12  *   all copies or substantial portions of the Software.
  13  *
  14  *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  15  *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  16  *   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  17  *   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  18  *   BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  19  *   ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  20  *   CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  21  *   THE SOFTWARE.
  22  *
  23  */
  24
  25 package com.owncloud.android.oc_framework.operations.remote;
  26
  27 import org.apache.commons.httpclient.HttpStatus;
  28 import org.apache.commons.httpclient.methods.GetMethod;
  29 import org.json.JSONException;
  30 import org.json.JSONObject;
  31
  32 import com.owncloud.android.oc_framework.accounts.AccountUtils;
  33 import com.owncloud.android.oc_framework.network.webdav.WebdavClient;
  34 import com.owncloud.android.oc_framework.operations.RemoteOperation;
  35 import com.owncloud.android.oc_framework.operations.RemoteOperationResult;
  36 import com.owncloud.android.oc_framework.utils.OwnCloudVersion;
  37
  38 import android.content.Context;
  39 import android.net.ConnectivityManager;
  40 import android.net.Uri;
  41 import android.util.Log;
  42
  43 /**
  44  * Checks if the server is valid and if the server supports the Share API
  45  *
  46  * @author David A. Velasco
  47  * @author masensio
  48  *
  49  */
  50
  51 public class OwnCloudServerCheckOperation extends RemoteOperation {
  52
  53     /** Maximum time to wait for a response from the server when the connection is being tested, in MILLISECONDs.  */
  54     public static final int TRY_CONNECTION_TIMEOUT = 5000;
  55
  56     private static final String TAG = OwnCloudServerCheckOperation.class.getSimpleName();
  57
  58     private static final String OCVERSION_SHARED_SUPPORTED = "5.0.13";
  59
  60     private static final String NODE_INSTALLED = "installed";
  61     private static final String NODE_VERSION = "version";
  62     private static final String NODE_VERSIONSTRING = "versionstring";
  63
  64     private String mUrl;
  65     private RemoteOperationResult mLatestResult;
  66     private Context mContext;
  67     private OwnCloudVersion mOCVersion;
  68     private OwnCloudVersion mOCVersionString;
  69
  70     public OwnCloudServerCheckOperation(String url, Context context) {
  71         mUrl = url;
  72         mContext = context;
  73         mOCVersion = null;
  74         mOCVersionString = null;
  75     }
  76
  77     public OwnCloudVersion getDiscoveredVersion() {
  78         return mOCVersion;
  79     }
  80     public boolean isSharedSupported() {
  81         OwnCloudVersion shareServer = new OwnCloudVersion(OCVERSION_SHARED_SUPPORTED);
  82         if (isOnline()) {
  83                 return mOCVersionString.compareTo(shareServer) >= 0;
  84         } else {
  85                 return false;
  86         }
  87
  88     }
  89
  90     private boolean tryConnection(WebdavClient wc, String urlSt) {
  91         boolean retval = false;
  92         GetMethod get = null;
  93         try {
  94             get = new GetMethod(urlSt);
  95             int status = wc.executeMethod(get, TRY_CONNECTION_TIMEOUT, TRY_CONNECTION_TIMEOUT);
  96             String response = get.getResponseBodyAsString();
  97             if (status == HttpStatus.SC_OK) {
  98                 JSONObject json = new JSONObject(response);
  99                 if (!json.getBoolean(NODE_INSTALLED)) {
 100                     mLatestResult = new RemoteOperationResult(RemoteOperationResult.ResultCode.INSTANCE_NOT_CONFIGURED);
 101                 } else {
 102                     mOCVersion = new OwnCloudVersion(json.getString(NODE_VERSION));
 103                     mOCVersionString = new OwnCloudVersion(json.getString(NODE_VERSIONSTRING), true);
 104                     if (!mOCVersion.isVersionValid()) {
 105                         mLatestResult = new RemoteOperationResult(RemoteOperationResult.ResultCode.BAD_OC_VERSION);
 106
 107                     } else {
 108                         mLatestResult = new RemoteOperationResult(urlSt.startsWith("https://") ?
 109                                                                     RemoteOperationResult.ResultCode.OK_SSL :
 110                                                                     RemoteOperationResult.ResultCode.OK_NO_SSL
 111                             );
 112
 113                         retval = true;
 114                     }
 115                 }
 116
 117             } else {
 118                 mLatestResult = new RemoteOperationResult(false, status, get.getResponseHeaders());
 119             }
 120
 121         } catch (JSONException e) {
 122             mLatestResult = new RemoteOperationResult(RemoteOperationResult.ResultCode.INSTANCE_NOT_CONFIGURED);
 123
 124         } catch (Exception e) {
 125             mLatestResult = new RemoteOperationResult(e);
 126
 127         } finally {
 128             if (get != null)
 129                 get.releaseConnection();
 130         }
 131
 132         if (mLatestResult.isSuccess()) {
 133             Log.i(TAG, "Connection check at " + urlSt + ": " + mLatestResult.getLogMessage());
 134
 135         } else if (mLatestResult.getException() != null) {
 136             Log.e(TAG, "Connection check at " + urlSt + ": " + mLatestResult.getLogMessage(), mLatestResult.getException());
 137
 138         } else {
 139             Log.e(TAG, "Connection check at " + urlSt + ": " + mLatestResult.getLogMessage());
 140         }
 141
 142         return retval;
 143     }
 144
 145     private boolean isOnline() {
 146         ConnectivityManager cm = (ConnectivityManager) mContext
 147                 .getSystemService(Context.CONNECTIVITY_SERVICE);
 148         return cm != null && cm.getActiveNetworkInfo() != null
 149                 && cm.getActiveNetworkInfo().isConnectedOrConnecting();
 150     }
 151
 152         @Override
 153         protected RemoteOperationResult run(WebdavClient client) {
 154         if (!isOnline()) {
 155                 return new RemoteOperationResult(RemoteOperationResult.ResultCode.NO_NETWORK_CONNECTION);
 156         }
 157         if (mUrl.startsWith("http://") || mUrl.startsWith("https://")) {
 158             tryConnection(client, mUrl + AccountUtils.STATUS_PATH);
 159
 160         } else {
 161             client.setBaseUri(Uri.parse("https://" + mUrl + AccountUtils.STATUS_PATH));
 162             boolean httpsSuccess = tryConnection(client, "https://" + mUrl + AccountUtils.STATUS_PATH);
 163             if (!httpsSuccess && !mLatestResult.isSslRecoverableException()) {
 164                 Log.d(TAG, "establishing secure connection failed, trying non secure connection");
 165                 client.setBaseUri(Uri.parse("http://" + mUrl + AccountUtils.STATUS_PATH));
 166                 tryConnection(client, "http://" + mUrl + AccountUtils.STATUS_PATH);
 167             }
 168         }
 169         return mLatestResult;
 170         }
 171
 172 }