public async Task <HttpResponseData> RunHttpTrigger([HttpTrigger(AuthorizationLevel.Function, "get", "post")] HttpRequestData req, FunctionContext executionContext)
{
var logger = executionContext.GetLogger("HttpTrigger");
var principal = await _authentication.AuthenticateAsync(executionContext, req);
if (principal == null)
{
return(_authentication.ReplyUnauthorized(req));
}
var microsoftGraph = new GraphServiceClient(new DelegateAuthenticationProvider(async(request) =>
{
var token = await _authentication.GetAccessTokenForUserAsync(req, new string[] { "https://graph.microsoft.com/.default" });
request.Headers.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", token);
}));
var name = principal.Claims.Where(x => x.Type == "http://schemas.xmlsoap.org/ws/2005/05/identity/claims/name").First().Value;
logger.LogInformation($"User is {name}!");
var inbox = await microsoftGraph.Me.MailFolders.Inbox.Request().GetAsync();
logger.LogInformation($"{name} has {inbox.UnreadItemCount} unread e-mails!");
var response = req.CreateResponse(HttpStatusCode.OK);
response.Headers.Add("Content-Type", "text/plain; charset=utf-8");
response.WriteString($"Welcome to Azure Functions Out-Of-Process, {name}!\n\nYou have {inbox.UnreadItemCount} unread e-mails!");
return(response);
}
private async Task <HttpResponseMessage> InternalMakeRequestAsync(
TimeSpan timeout,
HttpCompletionOption completionOption,
HttpMethod method,
string path,
IQueryString queryString,
IDictionary <string, string> headers,
Func <HttpContent> content,
CancellationToken cancellationToken)
{
await EnsureConnection();
var request = PrepareRequest(method, path, queryString, headers, content);
if (timeout != InfiniteTimeout)
{
var timeoutTokenSource = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken);
timeoutTokenSource.CancelAfter(timeout);
cancellationToken = timeoutTokenSource.Token;
}
await _authenticationProvider.AuthenticateAsync(request);
var response = await _client.SendAsync(request, completionOption, cancellationToken);
if (response.StatusCode == HttpStatusCode.Unauthorized)
{
//Prepare another request (we can't reuse the same request)
var request2 = PrepareRequest(method, path, queryString, headers, content);
//Authenticate given the challenge
await _authenticationProvider.AuthenticateAsync(request2, response);
//Send it again
response = await _client.SendAsync(request2, completionOption, cancellationToken);
}
return(response);
}