public async Task <TokenDto> Login(AuthorizationCredentials authorizationCredentials)
{
var existingToken = _fileConfigManager.GetFromFile <TokenDto>(ConfigFiles.Token);
if (existingToken == null)
{
var newToken = await _client.Authorize(authorizationCredentials);
_fileConfigManager.WriteData(newToken.ToPersistenceToken(), ConfigFiles.Token);
return(newToken);
}
if (!existingToken.Expired)
{
return(existingToken);
}
var refreshedToken = await _client.AuthorizeAsync(new RefreshTokenRequest
{
AuthorizationCredentials = authorizationCredentials,
RefreshToken = existingToken.Token.RefreshToken
});
_fileConfigManager.WriteData(refreshedToken.ToPersistenceToken(), ConfigFiles.Token);
return(refreshedToken);
}
private AuthenticationHeaderValue GetBasicAuth(AuthorizationCredentials authorizationCredentials)
{
return(new AuthenticationHeaderValue("Basic",
Convert.ToBase64String(
Encoding.ASCII.GetBytes(
$"{authorizationCredentials.Key}:{authorizationCredentials.Secret}"))));
}
private HttpClient CreateHttpClient(AuthorizationCredentials authorizationCredentials)
{
return(new HttpClient
{
DefaultRequestHeaders =
{
Authorization = GetBasicAuth(authorizationCredentials)
}
});
}
public async Task <TokenDto> Authorize(AuthorizationCredentials authorizationCredentials, CancellationToken cancellationToken = default)
{
var client = CreateHttpClient(authorizationCredentials);
var timeBeforeRequest = DateTime.UtcNow;
var response = await client.PostAsync(AuthUrl, new FormUrlEncodedContent(new[]
{
new KeyValuePair <string, string>("grant_type", "client_credentials"),
}), cancellationToken);
return(await ToToken(response, timeBeforeRequest));
}
