public async Task <ChangeSecretResult> ChangeSecretAsync(string credentialTypeCode, string identifier, string secret)
{
Credential credential = (await this.credentialRepository.GetAllAsync(new CredentialFilter(credentialType: new CredentialTypeFilter(code: credentialTypeCode), identifier: new StringFilter(equals: identifier)))).FirstOrDefault();
if (credential == null)
{
return(new ChangeSecretResult(success: false, error: ChangeSecretResultError.CredentialNotFound));
}
byte[] salt = Pbkdf2Hasher.GenerateRandomSalt();
string hash = Pbkdf2Hasher.ComputeHash(secret, salt);
credential.Secret = hash;
credential.Extra = Convert.ToBase64String(salt);
this.credentialRepository.Edit(credential);
await this.storage.SaveAsync();
return(new ChangeSecretResult(success: true));
}
public async Task <ValidateResult> ValidateAsync(string credentialTypeCode, string identifier, string secret)
{
Credential credential = (await this.credentialRepository.GetAllAsync(new CredentialFilter(credentialType: new CredentialTypeFilter(code: credentialTypeCode), identifier: new StringFilter(equals: identifier)), inclusions: new Inclusion <Credential>(c => c.User))).FirstOrDefault();
if (credential == null)
{
return(new ValidateResult(success: false, error: ValidateResultError.CredentialNotFound));
}
if (!string.IsNullOrEmpty(secret))
{
byte[] salt = Convert.FromBase64String(credential.Extra);
string hash = Pbkdf2Hasher.ComputeHash(secret, salt);
if (credential.Secret != hash)
{
return(new ValidateResult(success: false, error: ValidateResultError.SecretNotValid));
}
}
return(new ValidateResult(user: credential.User, success: true));
}
public async Task <SignUpResult> SignUpAsync(string name, string credentialTypeCode, string identifier, string secret)
{
User user = new User();
user.Name = name;
user.Created = DateTime.Now;
this.userRepository.Create(user);
await this.storage.SaveAsync();
CredentialType credentialType = (await this.credentialTypeRepository.GetAllAsync(new CredentialTypeFilter(code: credentialTypeCode))).FirstOrDefault();
if (credentialType == null)
{
return(new SignUpResult(success: false, error: SignUpResultError.CredentialTypeNotFound));
}
Credential credential = new Credential();
credential.UserId = user.Id;
credential.CredentialTypeId = credentialType.Id;
credential.Identifier = identifier;
if (!string.IsNullOrEmpty(secret))
{
byte[] salt = Pbkdf2Hasher.GenerateRandomSalt();
string hash = Pbkdf2Hasher.ComputeHash(secret, salt);
credential.Secret = hash;
credential.Extra = Convert.ToBase64String(salt);
}
this.credentialRepository.Create(credential);
await this.storage.SaveAsync();
return(new SignUpResult(user: user, success: true));
}