Improvements to PasswordActivity:
* Refactoring (removed duplicate code for loading Challenge/OTP aux files) * Added possibility to select aux file location manually if automatic "detection" (by constructing file paths) doesn't work. This is required so that aux files can be used with SAF which doesn't allow file path construction (maybe with OPEN_DOCUMENT_TREE, but that would involve additional user action and would require more permissions than required). Manually selected aux file location is stored in preferences * Fixed bug that OTP/Challenge mode wasn't correctly remembered
This commit is contained in:
Philipp Crocoll
parent
80b6a1d287
commit
6c3795ff1a
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@ -90,6 +90,7 @@ namespace keepass2android
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private const int RequestCodeChallengeYubikey = 1002;
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private const int RequestCodeSelectKeyfile = 1003;
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private const int RequestCodePrepareKeyFile = 1004;
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private const int RequestCodeSelectAuxFile = 1005;
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private Task<MemoryStream> _loadDbTask;
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@ -128,6 +129,7 @@ namespace keepass2android
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private bool _starting;
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private OtpInfo _otpInfo;
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private IOConnectionInfo _otpAuxIoc;
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private ChallengeInfo _chalInfo;
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private byte[] _challengeSecret;
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private KeeChallengeProv _challengeProv;
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@ -313,16 +315,22 @@ namespace keepass2android
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}
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if (requestCode == RequestCodePrepareOtpAuxFile)
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{
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if (_keyFileOrProvider == KeyProviderIdChallenge)
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{
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LoadChalFile();
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} else {
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LoadOtpFile ();
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}
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GetAuxFileLoader().LoadAuxFile(true);
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}
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break;
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}
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if (requestCode == RequestCodeSelectAuxFile && resultCode == Result.Ok)
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{
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IOConnectionInfo auxFileIoc = new IOConnectionInfo();
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SetIoConnectionFromIntent(auxFileIoc, data);
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PreferenceManager.GetDefaultSharedPreferences(this).Edit()
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.PutString("KP2A.PasswordAct.AuxFileIoc" + IOConnectionInfo.SerializeToString(_ioConnection),
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IOConnectionInfo.SerializeToString(auxFileIoc))
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.Apply();
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GetAuxFileLoader().LoadAuxFile(false);
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}
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if (requestCode == RequestCodeChallengeYubikey && resultCode == Result.Ok)
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{
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try
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@ -382,7 +390,17 @@ namespace keepass2android
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}
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}
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private AuxFileLoader GetAuxFileLoader()
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{
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if (_keyFileOrProvider == KeyProviderIdChallenge)
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{
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return new ChallengeAuxFileLoader(this);
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}
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else
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{
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return new OtpAuxFileLoader(this);
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}
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}
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private void UpdateKeyfileIocView()
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{
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//store keyfile in the view so that we can show the selected keyfile again if the user switches to another key provider and back to key file
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@ -416,102 +434,206 @@ namespace keepass2android
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}
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private void LoadOtpFile()
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private abstract class AuxFileLoader
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{
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new LoadingDialog<object, object, object>(this, true,
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//doInBackground
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delegate
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{
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try
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{
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_otpInfo = OathHotpKeyProv.LoadOtpInfo(new KeyProviderQueryContext(_ioConnection, false, false));
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}
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catch (Exception e)
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{
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Kp2aLog.Log(e.ToString());
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}
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return null;
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},
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//onPostExecute
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delegate
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{
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if (_otpInfo == null)
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{
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Toast.MakeText(this,
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GetString(Resource.String.CouldntLoadOtpAuxFile) + " " + GetString(Resource.String.CouldntLoadOtpAuxFile_Hint)
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, ToastLength.Long).Show();
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return;
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}
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protected readonly PasswordActivity Activity;
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IList<string> prefilledOtps = _pendingOtps;
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ShowOtpEntry(prefilledOtps);
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_pendingOtps.Clear();
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}
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).Execute();
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protected AuxFileLoader(PasswordActivity activity)
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{
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Activity = activity;
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}
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public void LoadAuxFile(bool triggerSelectAuxManuallyOnFailure)
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{
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new LoadingDialog<object, object, object>(Activity, true,
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//doInBackground
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delegate
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{
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try
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{
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var iocAux = GetDefaultAuxLocation();
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LoadFile(iocAux);
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}
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catch (Exception e)
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{
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Kp2aLog.Log(e.ToString());
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//retry with saved ioc
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try
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{
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var savedManualIoc = IOConnectionInfo.UnserializeFromString(
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PreferenceManager.GetDefaultSharedPreferences(Activity).GetString(
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"KP2A.PasswordAct.AuxFileIoc" + IOConnectionInfo.SerializeToString(Activity._ioConnection), null));
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LoadFile((savedManualIoc));
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}
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catch (Exception e2)
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{
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Kp2aLog.Log(e2.ToString());
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}
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}
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return null;
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}
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, delegate
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{
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if (!AuxDataLoaded)
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{
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if (triggerSelectAuxManuallyOnFailure)
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{
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Intent intent = new Intent(Activity, typeof(SelectStorageLocationActivity));
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intent.PutExtra(FileStorageSelectionActivity.AllowThirdPartyAppGet, true);
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intent.PutExtra(FileStorageSelectionActivity.AllowThirdPartyAppSend, false);
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intent.PutExtra(FileStorageSetupDefs.ExtraIsForSave, false);
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intent.PutExtra(SelectStorageLocationActivity.ExtraKeyWritableRequirements, (int)SelectStorageLocationActivity.WritableRequirements.WriteDemanded);
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Activity.StartActivityForResult(intent, RequestCodeSelectAuxFile);
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}
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else
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{
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Toast.MakeText(Activity,GetErrorMessage(), ToastLength.Long).Show();
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}
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return;
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}
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HandleSuccess();
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}).Execute();
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}
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protected abstract bool AuxDataLoaded { get; }
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protected abstract void LoadFile(IOConnectionInfo iocAux);
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protected abstract void HandleSuccess();
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protected abstract string GetErrorMessage();
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protected abstract IOConnectionInfo GetDefaultAuxLocation();
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}
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private void LoadChalFile()
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{
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new LoadingDialog<object, object, object>(this, true,
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//doInBackground
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delegate
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{
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private class OtpAuxFileLoader : AuxFileLoader
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{
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public OtpAuxFileLoader(PasswordActivity activity) : base(activity)
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{
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}
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try
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{
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IFileStorage fileStorage =
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App.Kp2a.GetOtpAuxFileStorage(_ioConnection);
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IOConnectionInfo iocAux =
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fileStorage.GetFilePath(
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fileStorage.GetParentPath(_ioConnection),
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fileStorage.GetFilenameWithoutPathAndExt(_ioConnection) +
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".xml");
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protected override bool AuxDataLoaded
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{
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get { return Activity._otpInfo != null; }
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}
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_chalInfo = ChallengeInfo.Load(iocAux);
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}
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catch (Exception e)
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{
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Kp2aLog.Log(e.ToString());
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}
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return null;
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}
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, delegate
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{
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if (_chalInfo == null)
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{
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Toast.MakeText(this,
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GetString(Resource.String.CouldntLoadChalAuxFile) +
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" " +
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GetString(
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Resource.String.CouldntLoadChalAuxFile_Hint)
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, ToastLength.Long).Show();
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return;
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protected override void LoadFile(IOConnectionInfo iocAux)
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{
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Activity._otpInfo = OtpInfo.Load(iocAux);
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Activity._otpAuxIoc = iocAux;
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}
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}
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Intent chalIntent = new Intent("com.yubichallenge.NFCActivity.CHALLENGE");
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chalIntent.PutExtra("challenge", _chalInfo.Challenge);
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chalIntent.PutExtra("slot", 2);
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IList<ResolveInfo> activities = PackageManager.QueryIntentActivities(chalIntent, 0);
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bool isIntentSafe = activities.Count > 0;
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if (isIntentSafe)
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{
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StartActivityForResult(chalIntent, RequestCodeChallengeYubikey);
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}
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else
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{
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AlertDialog.Builder b = new AlertDialog.Builder(this);
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b.SetMessage(Resource.String.YubiChallengeNotInstalled);
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b.SetPositiveButton(Android.Resource.String.Ok, delegate {
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Util.GotoUrl(this, GetString(Resource.String.MarketURL) + "com.yubichallenge");
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});
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b.SetNegativeButton(Resource.String.cancel, delegate { });
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b.Create().Show();
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}
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}).Execute();
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}
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private static IOConnectionInfo GetAuxFileIoc(IOConnectionInfo databaseIoc)
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{
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IFileStorage fileStorage = App.Kp2a.GetOtpAuxFileStorage(databaseIoc);
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var parentPath = fileStorage.GetParentPath(databaseIoc);
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var filename = fileStorage.GetFilenameWithoutPathAndExt(databaseIoc) + OathHotpKeyProv.AuxFileExt;
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IOConnectionInfo iocAux = fileStorage.GetFilePath(parentPath, filename);
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return iocAux;
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}
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private static IOConnectionInfo GetAuxFileIoc(KeyProviderQueryContext ctx)
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{
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IOConnectionInfo ioc = ctx.DatabaseIOInfo.CloneDeep();
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var iocAux = GetAuxFileIoc(ioc);
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return iocAux;
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}
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protected override void HandleSuccess()
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{
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IList<string> prefilledOtps = Activity._pendingOtps;
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Activity.ShowOtpEntry(prefilledOtps);
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Activity._pendingOtps.Clear();
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}
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protected override string GetErrorMessage()
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{
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return Activity.GetString(Resource.String.CouldntLoadOtpAuxFile) + " " +
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Activity.GetString(Resource.String.CouldntLoadOtpAuxFile_Hint);
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}
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protected override IOConnectionInfo GetDefaultAuxLocation()
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{
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return GetAuxFileIoc(Activity._ioConnection);
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}
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}
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private class ChallengeAuxFileLoader : AuxFileLoader
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{
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public ChallengeAuxFileLoader(PasswordActivity activity) : base(activity)
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{
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}
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protected override void HandleSuccess()
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{
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Intent chalIntent = new Intent("com.yubichallenge.NFCActivity.CHALLENGE");
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chalIntent.PutExtra("challenge", Activity._chalInfo.Challenge);
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chalIntent.PutExtra("slot", 2);
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IList<ResolveInfo> activities = Activity.PackageManager.QueryIntentActivities(chalIntent, 0);
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bool isIntentSafe = activities.Count > 0;
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if (isIntentSafe)
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{
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Activity.StartActivityForResult(chalIntent, RequestCodeChallengeYubikey);
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}
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else
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{
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AlertDialog.Builder b = new AlertDialog.Builder(Activity);
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b.SetMessage(Resource.String.YubiChallengeNotInstalled);
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b.SetPositiveButton(Android.Resource.String.Ok,
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delegate
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{
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Util.GotoUrl(Activity, Activity.GetString(Resource.String.MarketURL) + "com.yubichallenge");
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});
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b.SetNegativeButton(Resource.String.cancel, delegate { });
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b.Create().Show();
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}
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}
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protected override string GetErrorMessage()
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{
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return Activity.GetString(Resource.String.CouldntLoadChalAuxFile) +
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" " +
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Activity.GetString(
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Resource.String.CouldntLoadChalAuxFile_Hint);
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}
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protected override bool AuxDataLoaded
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{
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get { return Activity._chalInfo != null; }
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}
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protected override void LoadFile(IOConnectionInfo iocAux)
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{
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Activity._chalInfo = ChallengeInfo.Load(iocAux);
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}
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protected override IOConnectionInfo GetDefaultAuxLocation()
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{
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IFileStorage fileStorage =
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App.Kp2a.GetOtpAuxFileStorage(Activity._ioConnection);
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IOConnectionInfo iocAux =
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fileStorage.GetFilePath(
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fileStorage.GetParentPath(Activity._ioConnection),
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fileStorage.GetFilenameWithoutPathAndExt(Activity._ioConnection) +
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".xml");
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return iocAux;
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}
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}
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private void ShowOtpEntry(IList<string> prefilledOtps)
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{
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@ -1345,29 +1467,32 @@ namespace keepass2android
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CheckBox cbQuickUnlock = (CheckBox)FindViewById(Resource.Id.enable_quickunlock);
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cbQuickUnlock.Checked = _prefs.GetBoolean(GetString(Resource.String.QuickUnlockDefaultEnabled_key), true);
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}
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private String GetKeyFile(String filename) {
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if ( _rememberKeyfile ) {
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string keyfile = App.Kp2a.FileDbHelper.GetKeyFileForFile(filename);
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if (String.IsNullOrEmpty(keyfile))
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return null; //signal no key file
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//test if the filename is properly encoded.
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try
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if (KeyProviderType == KeyProviders.KeyFile)
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{
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Kp2aLog.Log("test if stored filename is ok");
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IOConnectionInfo.UnserializeFromString(keyfile);
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Kp2aLog.Log("...ok");
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}
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catch (Exception e)
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{
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//it's not. This is probably because we're upgrading from app version <= 45
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//where the keyfile was stored plain text and not serialized
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Kp2aLog.Log("no, it's not: "+e.GetType().Name);
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var serializedKeyFile = IOConnectionInfo.SerializeToString(IOConnectionInfo.FromPath(keyfile));
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Kp2aLog.Log("now it is!");
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return serializedKeyFile;
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//test if the filename is properly encoded.
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try
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{
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Kp2aLog.Log("test if stored filename is ok");
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IOConnectionInfo.UnserializeFromString(keyfile);
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Kp2aLog.Log("...ok");
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}
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catch (Exception e)
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{
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//it's not. This is probably because we're upgrading from app version <= 45
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//where the keyfile was stored plain text and not serialized
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Kp2aLog.Log("no, it's not: " + e.GetType().Name);
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var serializedKeyFile = IOConnectionInfo.SerializeToString(IOConnectionInfo.FromPath(keyfile));
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Kp2aLog.Log("now it is!");
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return serializedKeyFile;
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}
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}
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return keyfile;
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} else {
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@ -1537,11 +1662,11 @@ namespace keepass2android
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StatusLogger.UpdateMessage(UiStringKey.SavingOtpAuxFile);
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KeyProviderQueryContext ctx = new KeyProviderQueryContext(_act._ioConnection, false, false);
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IOConnectionInfo auxFileIoc = OathHotpKeyProv.GetAuxFileIoc(_act._ioConnection);
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if (!OathHotpKeyProv.CreateAuxFile(_act._otpInfo, ctx, auxFileIoc))
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if (!OathHotpKeyProv.CreateAuxFile(_act._otpInfo, ctx, _act._otpAuxIoc))
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Toast.MakeText(_act, _act.GetString(Resource.String.ErrorUpdatingOtpAuxFile), ToastLength.Long).Show();
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App.Kp2a.GetDb().OtpAuxFileIoc = auxFileIoc;
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App.Kp2a.GetDb().OtpAuxFileIoc = _act._otpAuxIoc;
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}
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catch (Exception e)
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{
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@ -6,7 +6,7 @@
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<activity android:name="com.dropbox.client2.android.AuthActivity" android:launchMode="singleTask" android:configChanges="orientation|keyboard">
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<intent-filter>
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<data android:scheme="db-i8shu7v1hgh7ynt" />
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<data android:scheme="db-2gormiq7iq1jls1" />
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<action android:name="android.intent.action.VIEW" />
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<category android:name="android.intent.category.BROWSABLE" />
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<category android:name="android.intent.category.DEFAULT" />
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@ -32,7 +32,7 @@ namespace OtpKeyProv
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public sealed class OathHotpKeyProv
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/*removed base class KeyProvider because "synchronous" interface is not suitable on Android*/
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{
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private const string AuxFileExt = ".otp.xml";
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public const string AuxFileExt = ".otp.xml";
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private const string ProvType = "OATH HOTP / RFC 4226";
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private const string ProvVersion = "2.0"; // File version, not OtpKeyProv version
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@ -46,26 +46,7 @@ namespace OtpKeyProv
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public const string ProductName = "OtpKeyProv KeePass Plugin";
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private static IOConnectionInfo GetAuxFileIoc(KeyProviderQueryContext ctx)
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{
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IOConnectionInfo ioc = ctx.DatabaseIOInfo.CloneDeep();
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var iocAux = GetAuxFileIoc(ioc);
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return iocAux;
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}
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public static IOConnectionInfo GetAuxFileIoc(IOConnectionInfo databaseIoc)
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{
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IFileStorage fileStorage = App.Kp2a.GetOtpAuxFileStorage(databaseIoc);
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IOConnectionInfo iocAux = fileStorage.GetFilePath(fileStorage.GetParentPath(databaseIoc),
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fileStorage.GetFilenameWithoutPathAndExt(databaseIoc) + AuxFileExt);
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return iocAux;
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}
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public static OtpInfo LoadOtpInfo(KeyProviderQueryContext ctx)
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{
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return OtpInfo.Load(GetAuxFileIoc(ctx));
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}
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/*
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private static byte[] Open(KeyProviderQueryContext ctx, OtpInfo otpInfo)
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