src/com/owncloud/android/authentication/AccountUtils.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.authentication;
  20
  21 import com.owncloud.android.utils.OwnCloudVersion;
  22
  23 import android.accounts.Account;
  24 import android.accounts.AccountManager;
  25 import android.content.Context;
  26 import android.content.SharedPreferences;
  27 import android.preference.PreferenceManager;
  28
  29 public class AccountUtils {
  30     public static final String WEBDAV_PATH_1_2 = "/webdav/owncloud.php";
  31     public static final String WEBDAV_PATH_2_0 = "/files/webdav.php";
  32     public static final String WEBDAV_PATH_4_0 = "/remote.php/webdav";
  33     private static final String ODAV_PATH = "/remote.php/odav";
  34     public static final String CARDDAV_PATH_2_0 = "/apps/contacts/carddav.php";
  35     public static final String CARDDAV_PATH_4_0 = "/remote/carddav.php";
  36     public static final String STATUS_PATH = "/status.php";
  37
  38     /**
  39      * Can be used to get the currently selected ownCloud {@link Account} in the
  40      * application preferences.
  41      *
  42      * @param   context     The current application {@link Context}
  43      * @return              The ownCloud {@link Account} currently saved in preferences, or the first
  44      *                      {@link Account} available, if valid (still registered in the system as ownCloud
  45      *                      account). If none is available and valid, returns null.
  46      */
  47     public static Account getCurrentOwnCloudAccount(Context context) {
  48         Account[] ocAccounts = AccountManager.get(context).getAccountsByType(
  49                 AccountAuthenticator.ACCOUNT_TYPE);
  50         Account defaultAccount = null;
  51
  52         SharedPreferences appPreferences = PreferenceManager
  53                 .getDefaultSharedPreferences(context);
  54         String accountName = appPreferences
  55                 .getString("select_oc_account", null);
  56
  57         // account validation: the saved account MUST be in the list of ownCloud Accounts known by the AccountManager
  58         if (accountName != null) {
  59             for (Account account : ocAccounts) {
  60                 if (account.name.equals(accountName)) {
  61                     defaultAccount = account;
  62                     break;
  63                 }
  64             }
  65         }
  66
  67         if (defaultAccount == null && ocAccounts.length != 0) {
  68             // take first account as fallback
  69             defaultAccount = ocAccounts[0];
  70         }
  71
  72         return defaultAccount;
  73     }
  74
  75
  76
  77     /**
  78      * Checks, whether or not there are any ownCloud accounts setup.
  79      *
  80      * @return true, if there is at least one account.
  81      */
  82     public static boolean accountsAreSetup(Context context) {
  83         AccountManager accMan = AccountManager.get(context);
  84         Account[] accounts = accMan
  85                 .getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE);
  86         return accounts.length > 0;
  87     }
  88
  89
  90     public static boolean setCurrentOwnCloudAccount(Context context, String accountName) {
  91         boolean result = false;
  92         if (accountName != null) {
  93             Account[] ocAccounts = AccountManager.get(context).getAccountsByType(
  94                     AccountAuthenticator.ACCOUNT_TYPE);
  95             boolean found = false;
  96             for (Account account : ocAccounts) {
  97                 found = (account.name.equals(accountName));
  98                 if (found) {
  99                     SharedPreferences.Editor appPrefs = PreferenceManager
 100                             .getDefaultSharedPreferences(context).edit();
 101                     appPrefs.putString("select_oc_account", accountName);
 102
 103                     appPrefs.commit();
 104                     result = true;
 105                     break;
 106                 }
 107             }
 108         }
 109         return result;
 110     }
 111
 112     /**
 113      *
 114      * @param version version of owncloud
 115      * @return webdav path for given OC version, null if OC version unknown
 116      */
 117     public static String getWebdavPath(OwnCloudVersion version, boolean supportsOAuth) {
 118         if (version != null) {
 119             if (supportsOAuth) {
 120                 return ODAV_PATH;
 121             }
 122             if (version.compareTo(OwnCloudVersion.owncloud_v4) >= 0)
 123                 return WEBDAV_PATH_4_0;
 124             if (version.compareTo(OwnCloudVersion.owncloud_v3) >= 0
 125                     || version.compareTo(OwnCloudVersion.owncloud_v2) >= 0)
 126                 return WEBDAV_PATH_2_0;
 127             if (version.compareTo(OwnCloudVersion.owncloud_v1) >= 0)
 128                 return WEBDAV_PATH_1_2;
 129         }
 130         return null;
 131     }
 132
 133     /**
 134      * Constructs full url to host and webdav resource basing on host version
 135      * @param context
 136      * @param account
 137      * @return url or null on failure
 138      */
 139     public static String constructFullURLForAccount(Context context, Account account) {
 140         try {
 141             AccountManager ama = AccountManager.get(context);
 142             String baseurl = ama.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL);
 143             String strver  = ama.getUserData(account, AccountAuthenticator.KEY_OC_VERSION);
 144             boolean supportsOAuth = (ama.getUserData(account, AccountAuthenticator.KEY_SUPPORTS_OAUTH2) != null);
 145             OwnCloudVersion ver = new OwnCloudVersion(strver);
 146             String webdavpath = getWebdavPath(ver, supportsOAuth);
 147
 148             if (webdavpath == null) return null;
 149             return baseurl + webdavpath;
 150         } catch (Exception e) {
 151             e.printStackTrace();
 152             return null;
 153         }
 154     }
 155
 156 }