public async Task KeyExchangeUtility_Compress_Decompress_IdenticalAfterwards()
{
string compressedKey = await keyExchange.CompressPublicKeyAsync(publicTestKeyPem);
string decompressedKey = await keyExchange.DecompressPublicKeyAsync(compressedKey);
Assert.Equal(publicTestKeyPem, decompressedKey);
}
#pragma warning restore 1591
/// <summary>
/// Submits a user registration request to the Epistle backend and returns the resulting status code.<para> </para>
/// If the user creation succeeded, the created user's data is applied to the currently active session <see cref="User"/>.
/// The meaning of the returned status codes is as follows:<para> </para>
/// 0 = Success! The user was created and the related data was loaded into session <see cref="User"/>.<para> </para>
/// 1 = Connection to the Epistle server could not be established.<para> </para>
/// 2 = RSA Key generation failed/incomplete.<para> </para>
/// 3 = User registration failed server-side.<para> </para>
/// 4 = User registration failed client-side.<para> </para>
/// </summary>
/// <param name="password">The user's password (NOT the SHA512!)</param>
/// <param name="userCreationSecret">The backend's user creation secret.</param>
/// <returns>A tuple containing the resulting status code and (eventually) the <see cref="UserCreationResponseDto"/></returns>
public async Task <ValueTuple <int, UserCreationResponseDto> > CreateUser(string password, string userCreationSecret)
{
if (!await connectionTest.TestConnection().ConfigureAwait(false))
{
return(1, null);
}
(string, string)keyPair = await keyGenerationTask.ConfigureAwait(false);
keyGenerationTask = Task.Run(() => keygen.GenerateKeyPair(RSA_KEY_SIZE));
if (keyPair.Item1.NullOrEmpty() || keyPair.Item2.NullOrEmpty())
{
return(2, null);
}
string publicKeyPem = keyPair.Item1;
string privateKeyPem = keyPair.Item2;
try
{
var userCreationResponse = await userService.CreateUser(new UserCreationRequestDto
{
PasswordSHA512 = password.SHA512(),
CreationSecret = userCreationSecret,
PublicKey = await keyExchange.CompressPublicKeyAsync(publicKeyPem).ConfigureAwait(false),
PrivateKey = await keyExchange.EncryptAndCompressPrivateKeyAsync(privateKeyPem, password).ConfigureAwait(false),
}).ConfigureAwait(false);
if (userCreationResponse is null)
{
logger?.LogError("The user creation process failed server-side. Reason unknown; please make an admin check out the server's log files!");
return(3, null);
}
appSettings.LastUserId = userCreationResponse.Id;
// Handle this event back in the client UI,
// since it's there where the backup codes + 2FA secret (QR) will be displayed.
logger?.LogMessage($"Created user {userCreationResponse.Id}.");
return(0, userCreationResponse);
}
catch (Exception e)
{
logger?.LogError($"The user creation process failed. Thrown exception: {e.Message}");
return(4, null);
}
}