public SspProxyRequestMiddlewareTests()
{
var sspApiSettingsMock = new Mock <IOptionsSnapshot <ApiSetting> >();
sspApiSettingsMock.Setup(op => op.Get(It.IsAny <string>())).Returns(AppSettings.SspApiSettings);
var responseContent = FhirBinaries.Html.AsJsonString();
var response = new CommandResponse
{
StatusCode = 200,
Headers = new Dictionary <string, IEnumerable <string> >
{
{ HeaderNames.ContentType, new StringValues(new string[] { "application/fhir+json" }) },
{ HeaderNames.ContentLength, new StringValues(new string[] { "80" }) }
},
Content = Encoding.UTF8.GetBytes(responseContent)
};
var sspServiceMock = new Mock <ISspProxyService>();
sspServiceMock.Setup(op => op.ForwardRequest(It.IsAny <CommandRequest>())).Returns(Task.FromResult(response));
_sspProxyService = sspServiceMock.Object;
_sspApiSettings = sspApiSettingsMock.Object;
}
public void Dispose()
{
_sspApiSettings = null;
_sspProxyService = null;
}
public async SystemTasks.Task Invoke(HttpContext context, IOptionsSnapshot <ApiSetting> apiSettings, ISspProxyService _sspProxyService)
{
_sspApiSettings = apiSettings.Get("SspApiSetting");
var request = new CommandRequest();
var forwardingUrl = context.Request.Path.Value.Replace($"{_sspApiSettings.BasePath}/", "");
request.Headers = context.Request.Headers.Select(h => KeyValuePair.Create(h.Key, string.Join("; ", (h.Value.ToList()))));
request.Method = HttpMethod.Get; //could be more types in future, so fetch from context
request.ForwardUrl = new Uri(WebUtility.UrlDecode(forwardingUrl));
request.Forwarded = new Forwarded
{
By = context.Connection.LocalIpAddress.ToString(),
For = context.Connection.RemoteIpAddress.ToString(),
Host = request.ForwardUrl.Host,
Protocol = _sspApiSettings.Secure ? "https" : "http"
};
var result = await _sspProxyService.ForwardRequest(request);
context.Response.StatusCode = result.StatusCode;
foreach (var resHeader in result.Headers)
{
context.Response.Headers.Add(resHeader.Key, new StringValues(resHeader.Value.ToArray()));
}
await context.Response.Body.WriteAsync(result.Content, 0, result.Content.Length);
}
