/*----------------------------------------------------------------------------
* %%Function: CallService
* %%Qualified: TCore.MsalWeb.WebApiInterop.ProcessResponse
*
* Core call service, returning an httpresponse
* ----------------------------------------------------------------------------*/
public async Task <HttpResponseMessage> CallService(string sTarget, bool fRequireAuth)
{
string sAccessToken = fRequireAuth ? m_accessTokenProvider.GetAccessToken() : null;
if (sAccessToken == null && fRequireAuth == true)
{
throw new Exception("Authentication failed, no access token");
}
HttpClient client = HttpClientCreate(sAccessToken);
return(await GetServiceResponse(client, $"{m_apiRoot}/{sTarget}"));
}
public async Task <AccessToken> GetAccessTokenAsync(AccessTokenRequest request)
{
//TODO Refactor
var userRole = await _tokensRepository.GetUserRole(request.RefreshToken);
if (userRole.IsNullOrEmpty)
{
throw new ArgumentException(nameof(request.RefreshToken));
}
_claims.Add("role", userRole.ToString());
var result = _accessTokenProvider.GetAccessToken(DateTime.Now.AddHours(_config.AccessTokenExpMinutes), _claims);
return(result);
}
public async Task <AccessToken> GetAccessTokenAsync(AccessTokenRequest request)
{
//TODO Implement methods for token validation and getting role - introduce SINGLE RESPONSIBILITY
var userRole = await _tokensRepository.GetTokenAsync(request.RefreshToken);
if (userRole.IsNullOrEmpty)
{
throw new ArgumentException(nameof(request.RefreshToken));
}
_claims.Add("role", userRole.ToString());
var result = _accessTokenProvider.GetAccessToken(DateTime.Now.AddHours(_config.AccessTokenExpMinutes), _claims);
return(result);
}
// GET: /<controller>/
public async Task <IActionResult> Index()
{
ViewData["AccessToken"] = await accessTokenProvider.GetAccessToken();
ViewData["CategoryId"] = categoryId;
// TODO: these coordinates should be resolved from the IP, using one of the publicly available services
// I chose to keep them hard coded to show the value of the grouped views, for a European use-case
ViewData["Latitude"] = 47.384860;
ViewData["Longitude"] = 8.522303;
return(View());
}
protected internal async Task <string> GetAccessToken(string accessToken = null)
{
// accessToken or _accessToken or from _tokenProvider or from _accounts
string token = accessToken
?? _accessToken
?? (_tokenProvider != null
? (await _tokenProvider.GetAccessToken())
: null);
if (string.IsNullOrEmpty(token))
{
throw new InvalidOperationException("Access Token is null. Could not get Access Token.");
}
return(token);
}
public async IAsyncEnumerable <CostResultRows> ExecuteBillingQuery(string billingQuery, [EnumeratorCancellation] CancellationToken cancel, BillingQueryClient billingQueryClient)
{
var azureManagementUrl =
$"https://management.azure.com/subscriptions/{_apiSettings.SubscriptionId}/providers/Microsoft.CostManagement/query?api-version=2019-10-01";
using var httpClient = new HttpClient();
_logger.LogTrace($"Billing query {billingQuery}");
var request = new HttpRequestMessage
{
RequestUri = new Uri(azureManagementUrl),
Method = HttpMethod.Post,
Content = new StringContent(
billingQuery,
Encoding.UTF8,
"application/json")
};
request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
var accessToken = _accessTokenProvider.GetAccessToken();
request.Headers.Authorization =
new AuthenticationHeaderValue("Bearer", accessToken);
var response = await httpClient.SendAsync(request, cancel);
if (response.StatusCode != HttpStatusCode.OK)
{
throw new Exception($"{response.StatusCode} {await response.Content.ReadAsStringAsync()}");
}
var responseContent = await response.Content.ReadAsStringAsync();
_logger.LogTrace($"Billing query response result {responseContent}");
dynamic json = JsonConvert.DeserializeObject(responseContent);
foreach (var row in json.properties.rows)
{
yield return(CostResultRows.Cast(json.properties.columns, row));
}
}
/// <summary>
/// Posts a list of delegation events to the Altinn Bridge API endpoint
/// </summary>
/// <param name="delegationEvents">A list of delegation events</param>
/// <returns>A HTTP response message</returns>
public async Task <HttpResponseMessage> PostDelegationEventsAsync(List <PlatformDelegationEvent> delegationEvents)
{
using var request = new HttpRequestMessage(HttpMethod.Post, DelegationEventEndpoint)
{
Content = JsonContent.Create(delegationEvents),
Headers =
{
Authorization = new AuthenticationHeaderValue("Bearer", await _accessTokenProvider.GetAccessToken())
}
};
if (_logger.IsEnabled(LogLevel.Debug))
{
_logger.LogDebug(
"BridgeClient posting event list to {url} with token {token} and body {body}",
request.RequestUri,
request.Headers.Authorization.ToString(),
await request.Content.ReadAsStringAsync());
}
return(await Client.SendAsync(request));
}
public static NotificationSendResult Send(Uri channelUri, IAccessTokenProvider accessTokenProvider, string payload, NotificationType type, int? secondsTTL = null, bool? cache = null, bool? requestForStatus = null, string tag = null, NotificationPriority priority = NotificationPriority.Normal, int tokenRetry = 0)
{
NotificationSendResult result;
byte[] payloadBytes;
HttpWebRequest request = null;
try
{
WnsDiagnostics.TraceVerbose(
DiagnosticsConstants.SendingWNSNotificationID,
"Sending WNS notification.\r\n\r\n{0}",
NotificationRequestStatus(channelUri.ToString(), payload, secondsTTL, cache, requestForStatus, tag, priority, tokenRetry));
var accessToken = string.Empty;
try
{
accessToken = accessTokenProvider.GetAccessToken(true);
}
catch (WebException e)
{
if (e.Response != null)
{
var accessTokenError = GetAccessTokenError(e.Response);
WnsDiagnostics.TraceError(DiagnosticsConstants.WnsAccessTokenSendResultErrorID, AccessTokenLogMessage(e.Response, accessTokenError));
return new WnsAccessTokenSendResult(channelUri, e, accessTokenError);
}
else
{
WnsDiagnostics.TraceError(DiagnosticsConstants.ServiceUnavailableErrorID, e.Message);
return new NotificationSendResult(channelUri, e.Message, HttpStatusCode.ServiceUnavailable);
}
}
request = CreateWebRequest(channelUri, accessToken, payload, type, secondsTTL, cache, requestForStatus, tag, priority, out payloadBytes);
using (Stream requestStream = request.GetRequestStream())
{
requestStream.Write(payloadBytes, 0, payloadBytes.Length);
}
var response = (HttpWebResponse)request.GetResponse();
result = new NotificationSendResult(channelUri, response);
WnsDiagnostics.TraceInformation(DiagnosticsConstants.SentWNSNotificationID, NotificationLogMessage("Sent WNS notification", result.NotificationStatus.ToString(), result, payload, request, response));
}
catch (WebException e)
{
if (e.Response != null)
{
string exceptionDetails = e.Response.Headers[WnsHeaders.WWWAuthenticate];
if (!string.IsNullOrWhiteSpace(exceptionDetails) && exceptionDetails.Contains("Token expired"))
{
accessTokenProvider.ResetCachedToken();
tokenRetry++;
if (tokenRetry <= MaxSendRetries)
{
result = Send(channelUri, accessTokenProvider, payload, type, secondsTTL, cache, requestForStatus, tag, priority, tokenRetry);
}
else
{
result = new NotificationSendResult(channelUri, e);
}
}
else
{
result = new NotificationSendResult(channelUri, e);
}
WnsDiagnostics.TraceError(DiagnosticsConstants.WNSNotificationFailureID, NotificationLogMessage("WNS notification failure", e.Message, result, payload, request, e.Response));
}
else
{
WnsDiagnostics.TraceError(DiagnosticsConstants.ServiceUnavailableErrorID, e.Message);
return new NotificationSendResult(channelUri, e.Message, HttpStatusCode.ServiceUnavailable);
}
}
catch (Exception e)
{
result = new NotificationSendResult(channelUri, e);
WnsDiagnostics.TraceException(DiagnosticsConstants.WNSNotificationFailureID, e, "WNS notification failure: {0}\r\n\r\n{1}", e.Message, result);
}
return result;
}
public static void SendAsynchronously(Uri channelUri, IAccessTokenProvider accessTokenProvider, string payload, Action<NotificationSendResult> sent, Action<NotificationSendResult> error, NotificationType type, int? secondsTTL = null, bool? cache = null, bool? requestForStatus = null, string tag = null, NotificationPriority priority = NotificationPriority.Normal, int tokenRetry = 0)
{
byte[] payloadBytes;
try
{
WnsDiagnostics.TraceVerbose(
DiagnosticsConstants.SendingWNSNotificationID,
"Sending WNS notification.\r\n\r\n{0}",
NotificationRequestStatus(channelUri.ToString(), payload, secondsTTL, cache, requestForStatus, tag, priority, tokenRetry));
var accessToken = string.Empty;
try
{
accessToken = accessTokenProvider.GetAccessToken(true);
}
catch (WebException e)
{
if (e.Response != null)
{
var accessTokenError = GetAccessTokenError(e.Response);
WnsDiagnostics.TraceError(DiagnosticsConstants.WnsAccessTokenSendResultErrorID, AccessTokenLogMessage(e.Response, accessTokenError));
error(new WnsAccessTokenSendResult(channelUri, e, accessTokenError));
}
else
{
WnsDiagnostics.TraceError(DiagnosticsConstants.ServiceUnavailableErrorID, e.Message);
error(new NotificationSendResult(channelUri, e.Message, HttpStatusCode.ServiceUnavailable));
}
}
if (!string.IsNullOrEmpty(accessToken))
{
var request = CreateWebRequest(channelUri, accessToken, payload, type, secondsTTL, cache, requestForStatus, tag, priority, out payloadBytes);
// Get the request stream asynchronously.
request.BeginGetRequestStream(
requestAsyncResult =>
{
try
{
using (Stream requestStream = request.EndGetRequestStream(requestAsyncResult))
{
// Start writing the payload to the stream.
requestStream.Write(payloadBytes, 0, payloadBytes.Length);
}
// Switch to receiving the response from WNS asynchronously.
request.BeginGetResponse(
responseAsyncResult =>
{
try
{
using (
var response =
(HttpWebResponse)request.EndGetResponse(responseAsyncResult))
{
var result = new NotificationSendResult(channelUri, response);
if (result.StatusCode == HttpStatusCode.OK)
{
WnsDiagnostics.TraceInformation(DiagnosticsConstants.SentWNSNotificationID, NotificationLogMessage("Sent WNS notification", result.NotificationStatus.ToString(), result, payload, request, response));
sent(result);
}
else
{
error(result);
WnsDiagnostics.TraceError(DiagnosticsConstants.WNSNotificationFailureID, "WNS notification failure:\r\n\r\n{0}", result);
}
}
}
catch (WebException e)
{
if (e.Response != null)
{
var result = new NotificationSendResult(channelUri, e);
string exceptionDetails = e.Response.Headers[WnsHeaders.WWWAuthenticate];
if (!string.IsNullOrWhiteSpace(exceptionDetails) &&
exceptionDetails.Contains("Token expired"))
{
accessTokenProvider.ResetCachedToken();
tokenRetry++;
if (tokenRetry <= MaxSendRetries)
{
SendAsynchronously(channelUri, accessTokenProvider, payload, sent, error, type, secondsTTL, cache, requestForStatus, tag, priority, tokenRetry);
}
else
{
WnsDiagnostics.TraceError(DiagnosticsConstants.WNSNotificationFailureID, NotificationLogMessage("WNS notification failure", e.Message, result, payload, request, e.Response));
error(result);
}
}
else
{
WnsDiagnostics.TraceError(DiagnosticsConstants.WNSNotificationFailureID, NotificationLogMessage("WNS notification failure", e.Message, result, payload, request, e.Response));
error(result);
}
}
else
{
WnsDiagnostics.TraceError(DiagnosticsConstants.ServiceUnavailableErrorID, e.Message);
error(new NotificationSendResult(channelUri, e.Message, HttpStatusCode.ServiceUnavailable));
}
}
catch (Exception ex3)
{
var result = new NotificationSendResult(channelUri, ex3);
WnsDiagnostics.TraceException(DiagnosticsConstants.GeneralNotificationFailureID, ex3, "WNS notification failure: {0}\r\n\r\n{1}", ex3.Message, result);
error(result);
}
},
null);
}
catch (Exception ex2)
{
var result = new NotificationSendResult(channelUri, ex2);
WnsDiagnostics.TraceException(DiagnosticsConstants.GeneralNotificationFailureID, ex2, "WNS notification failure: {0}\r\n\r\n{1}", ex2.Message, result);
error(result);
}
},
null);
}
}
catch (Exception ex1)
{
var result = new NotificationSendResult(channelUri, ex1);
WnsDiagnostics.TraceException(DiagnosticsConstants.GeneralNotificationFailureID, ex1, "WNS notification failure: {0}\r\n\r\n{1}", ex1.Message, result);
error(result);
}
}
private void RefreshAccessToken()
{
_accessToken = _accessTokenProvider.GetAccessToken();
}
