private async Task EnsureLoggedInAsync()
{
if (_token?.IsValid() == true)
{
return;
}
if (_token is null)
{
_token = LoadToken();
if (_token?.IsValid() == true && _customerName.Equals(_token.CustomerName))
{
_httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", _token.Token);
var testResponse = await _httpClient.GetAsync("api-test");
if (testResponse.IsSuccessStatusCode)
{
return;
}
}
}
await CreateNewTokenAsync();
}
private void StoreToken(TransIpToken token)
{
var fullPath = Environment.ExpandEnvironmentVariables(@"%HOME%\.acme\transip_token.json");
var directoryPath = Path.GetDirectoryName(fullPath);
if (!Directory.Exists(directoryPath))
{
Directory.CreateDirectory(directoryPath);
}
var json = JsonConvert.SerializeObject(token, Formatting.Indented);
File.WriteAllText(fullPath, json);
}
private async Task CreateNewTokenAsync()
{
var nonce = new byte[16];
RandomNumberGenerator.Fill(nonce);
var request = new TokenRequest
{
Login = _customerName,
Nonce = Convert.ToBase64String(nonce)
};
(string signature, string body) = await SignRequestAsync(request);
var response = await new HttpClient().SendAsync(
new HttpRequestMessage(HttpMethod.Post, new Uri(_httpClient.BaseAddress, "auth"))
{
Headers = { { "Signature", signature } },
Content = new StringContent(body, Encoding.UTF8, "application/json")
});
response.EnsureSuccessStatusCode();
var tokenResponse = await response.Content.ReadAsAsync <TokenResponse>();
_httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", tokenResponse.Token);
_token = new TransIpToken
{
CustomerName = _customerName,
Token = tokenResponse.Token,
Expires = DateTimeOffset.FromUnixTimeSeconds(tokenResponse.GetTokenExpiration())
};
StoreToken(_token);
}