public async Task <ApiResponseResult <ServerList> > GetServersAsync(TruncatedLocation location)
{
try
{
var uri = "vpn/logicals";
var ip = location.Value();
if (!string.IsNullOrEmpty(ip))
{
// The following route is used to retrieve VPN server information,
// including scores for the best server to connect to depending on
// a user's proximity to a server and its load. To provide relevant
// scores even when connected to VPN, we send a truncated version
// of the user's public IP address. In keeping with our no-logs policy,
// this partial IP address is not stored on the server and is only used
// to fulfill this one-off API request.
uri += $"?IP={ip}";
}
var request = GetAuthorizedRequest(HttpMethod.Get, uri);
using var response = await _client.SendAsync(request).ConfigureAwait(false);
var stream = await response.Content.ReadAsStreamAsync();
return(Logged(GetResponseStreamResult <ServerList>(stream, response.StatusCode), "Get servers"));
}
catch (Exception e) when(e.IsApiCommunicationException())
{
throw new HttpRequestException(e.Message, e);
}
}
public ApiServers(
ILogger logger,
IApiClient apiClient,
TruncatedLocation location)
{
_logger = logger;
_apiClient = apiClient;
_location = location;
}
public void Value_ShouldBeEmpty_WhenIpIsEmpty()
{
// Arrange
var userLocation = new UserLocation(string.Empty, 10.0f, 10.0f, "ISP", "ZZ");
_userStorage.Location().Returns(userLocation);
var location = new TruncatedLocation(_userStorage);
// Act
var result = location.Ip();
// Assert
result.Should().Be(string.Empty);
}
public void Value_ShouldBe_IpWithZeroedLastOctet(string ip)
{
// Arrange
var userLocation = new UserLocation(ip, 10.0f, 10.0f, "ISP", "ZZ");
_userStorage.Location().Returns(userLocation);
var location = new TruncatedLocation(_userStorage);
// Act
var result = location.Ip();
// Assert
result.Split('.')[3].Should().Be("0");
}
public async Task <ICollection <LogicalServerContract> > GetServersAsync()
{
try
{
var location = new TruncatedLocation(_userStorage.Location().Ip);
var response = await _apiClient.GetServersAsync(location);
if (response.Success)
{
await SaveServersToCache(response.Value.Servers);
return(response.Value.Servers);
}
return(_serversFileStorage.Get());
}
catch (HttpRequestException ex)
{
_logger.Error("API: Get servers failed: " + ex.CombinedMessage());
return(_serversFileStorage.Get());
}
}
public void ValueShouldBeEmptyIfIpIsEmpty()
{
var location = new TruncatedLocation(string.Empty);
location.Value().Should().Be(string.Empty);
}
public void ValueShouldReturnZeroAsLastIpNumber(string ip)
{
var location = new TruncatedLocation(ip);
location.Value().Split('.')[3].Should().Be("0");
}
