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clear settings for prefix when key is generated

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This commit is contained in:
Kyle Spearrin 2017-06-12 12:56:18 -04:00
parent 65d2d45a82
commit f41ace4d7c
2 changed files with 31 additions and 5 deletions
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4
bitwarden-mobile.sln
View file

@ -1,7 +1,7 @@

Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio 14
VisualStudioVersion = 14.0.25420.1
# Visual Studio 15
VisualStudioVersion = 15.0.26430.13
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Android", "src\Android\Android.csproj", "{04B18ED2-B76D-4947-8474-191F8FD2B5E0}"
EndProject

32
src/Android/Services/AndroidKeyStoreStorageService.cs
View file

@ -11,6 +11,7 @@ using Android.App;
using Plugin.Settings.Abstractions;
using Java.Util;
using Javax.Crypto.Spec;
using Android.Preferences;
namespace Bit.Android.Services
{
@ -22,6 +23,7 @@ namespace Bit.Android.Services
private const string KeyAlias = "bitwardenKey2";
private const string KeyAliasV1 = "bitwardenKey";
private const string SettingsPrefix = "ksSecured2";
private const string SettingsFormat = "ksSecured2:{0}";
private const string SettingsFormatV1 = "ksSecured:{0}";
@ -91,7 +93,7 @@ namespace Bit.Android.Services
{
return App.Utilities.Crypto.AesCbcDecrypt(new App.Models.CipherString(cs), aesKey);
}
catch(Exception)
catch
{
Console.WriteLine("Failed to decrypt from secure storage.");
_settings.Remove(formattedKey);
@ -121,7 +123,7 @@ namespace Bit.Android.Services
var cipherString = App.Utilities.Crypto.AesCbcEncrypt(dataBytes, aesKey);
_settings.AddOrUpdateValue(formattedKey, cipherString.EncryptedString);
}
catch(Exception)
catch
{
Console.WriteLine("Failed to encrypt to secure storage.");
//Utilities.SendCrashEmail(e);
@ -135,6 +137,8 @@ namespace Bit.Android.Services
return;
}
ClearSettings();
var end = Calendar.Instance;
end.Add(CalendarField.Year, 99);
@ -222,7 +226,7 @@ namespace Bit.Android.Services
return new App.Models.SymmetricCryptoKey(key);
}
}
catch(Exception)
catch
{
Console.WriteLine("Cannot get AesKey.");
_keyStore.DeleteEntry(KeyAlias);
@ -336,5 +340,27 @@ namespace Bit.Android.Services
_settings.Remove(formattedKeyV1);
}
}
private void ClearSettings(string prefix = SettingsPrefix)
{
using(var sharedPreferences = PreferenceManager.GetDefaultSharedPreferences(Application.Context))
using(var sharedPreferencesEditor = sharedPreferences.Edit())
{
var removed = false;
foreach(var pref in sharedPreferences.All)
{
if(pref.Key.StartsWith(prefix))
{
removed = true;
sharedPreferencesEditor.Remove(pref.Key);
}
}
if(removed)
{
sharedPreferencesEditor.Commit();
}
}
}
}
}