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 java.util.Locale;
  22
  23 import com.owncloud.android.MainApp;
  24 import com.owncloud.android.lib.common.accounts.AccountTypeUtils;
  25 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  26
  27 import android.accounts.Account;
  28 import android.accounts.AccountManager;
  29 import android.content.Context;
  30 import android.content.SharedPreferences;
  31 import android.preference.PreferenceManager;
  32
  33 public class AccountUtils {
  34     public static final String WEBDAV_PATH_1_2 = "/webdav/owncloud.php";
  35     public static final String WEBDAV_PATH_2_0 = "/files/webdav.php";
  36     public static final String WEBDAV_PATH_4_0 = "/remote.php/webdav";
  37     private static final String ODAV_PATH = "/remote.php/odav";
  38     private static final String SAML_SSO_PATH = "/remote.php/webdav";
  39     public static final String CARDDAV_PATH_2_0 = "/apps/contacts/carddav.php";
  40     public static final String CARDDAV_PATH_4_0 = "/remote/carddav.php";
  41     public static final String STATUS_PATH = "/status.php";
  42
  43     /**
  44      * Can be used to get the currently selected ownCloud {@link Account} in the
  45      * application preferences.
  46      *
  47      * @param   context     The current application {@link Context}
  48      * @return              The ownCloud {@link Account} currently saved in preferences, or the first
  49      *                      {@link Account} available, if valid (still registered in the system as ownCloud
  50      *                      account). If none is available and valid, returns null.
  51      */
  52     public static Account getCurrentOwnCloudAccount(Context context) {
  53         Account[] ocAccounts = AccountManager.get(context).getAccountsByType(
  54                 MainApp.getAccountType());
  55         Account defaultAccount = null;
  56
  57         SharedPreferences appPreferences = PreferenceManager
  58                 .getDefaultSharedPreferences(context);
  59         String accountName = appPreferences
  60                 .getString("select_oc_account", null);
  61
  62         // account validation: the saved account MUST be in the list of ownCloud Accounts known by the AccountManager
  63         if (accountName != null) {
  64             for (Account account : ocAccounts) {
  65                 if (account.name.equals(accountName)) {
  66                     defaultAccount = account;
  67                     break;
  68                 }
  69             }
  70         }
  71
  72         if (defaultAccount == null && ocAccounts.length != 0) {
  73             // take first account as fallback
  74             defaultAccount = ocAccounts[0];
  75         }
  76
  77         return defaultAccount;
  78     }
  79
  80
  81     public static boolean exists(Account account, Context context) {
  82         Account[] ocAccounts = AccountManager.get(context).getAccountsByType(
  83                 MainApp.getAccountType());
  84
  85         if (account != null && account.name != null) {
  86             int lastAtPos = account.name.lastIndexOf("@");
  87             String hostAndPort = account.name.substring(lastAtPos + 1);
  88             String username = account.name.substring(0, lastAtPos);
  89             String otherHostAndPort, otherUsername;
  90             Locale currentLocale = context.getResources().getConfiguration().locale;
  91             for (Account otherAccount : ocAccounts) {
  92                 lastAtPos = otherAccount.name.lastIndexOf("@");
  93                 otherHostAndPort = otherAccount.name.substring(lastAtPos + 1);
  94                 otherUsername = otherAccount.name.substring(0, lastAtPos);
  95                 if (otherHostAndPort.equals(hostAndPort) &&
  96                         otherUsername.toLowerCase(currentLocale).
  97                             equals(username.toLowerCase(currentLocale))) {
  98                     return true;
  99                 }
 100             }
 101         }
 102         return false;
 103     }
 104
 105
 106     /**
 107      * Checks, whether or not there are any ownCloud accounts setup.
 108      *
 109      * @return true, if there is at least one account.
 110      */
 111     public static boolean accountsAreSetup(Context context) {
 112         AccountManager accMan = AccountManager.get(context);
 113         Account[] accounts = accMan
 114                 .getAccountsByType(MainApp.getAccountType());
 115         return accounts.length > 0;
 116     }
 117
 118
 119     public static boolean setCurrentOwnCloudAccount(Context context, String accountName) {
 120         boolean result = false;
 121         if (accountName != null) {
 122             Account[] ocAccounts = AccountManager.get(context).getAccountsByType(
 123                     MainApp.getAccountType());
 124             boolean found = false;
 125             for (Account account : ocAccounts) {
 126                 found = (account.name.equals(accountName));
 127                 if (found) {
 128                     SharedPreferences.Editor appPrefs = PreferenceManager
 129                             .getDefaultSharedPreferences(context).edit();
 130                     appPrefs.putString("select_oc_account", accountName);
 131
 132                     appPrefs.commit();
 133                     result = true;
 134                     break;
 135                 }
 136             }
 137         }
 138         return result;
 139     }
 140
 141     /**
 142      * Returns the proper URL path to access the WebDAV interface of an ownCloud server,
 143      * according to its version and the authorization method used.
 144      *
 145      * @param   version         Version of ownCloud server.
 146      * @param   authTokenType   Authorization token type, matching some of the AUTH_TOKEN_TYPE_* constants in {@link AccountAuthenticator}.
 147      * @return                  WebDAV path for given OC version and authorization method, null if OC version is unknown.
 148      */
 149     public static String getWebdavPath(OwnCloudVersion version, String authTokenType) {
 150         if (version != null) {
 151             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(authTokenType)) {
 152                 return ODAV_PATH;
 153             }
 154             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(authTokenType)) {
 155                 return SAML_SSO_PATH;
 156             }
 157             if (version.compareTo(OwnCloudVersion.owncloud_v4) >= 0)
 158                 return WEBDAV_PATH_4_0;
 159             if (version.compareTo(OwnCloudVersion.owncloud_v3) >= 0
 160                     || version.compareTo(OwnCloudVersion.owncloud_v2) >= 0)
 161                 return WEBDAV_PATH_2_0;
 162             if (version.compareTo(OwnCloudVersion.owncloud_v1) >= 0)
 163                 return WEBDAV_PATH_1_2;
 164         }
 165         return null;
 166     }
 167
 168 }