public static HttpResponseMessage Run([HttpTrigger(AuthorizationLevel.Anonymous, "get", "post", Route = "api/sample")] HttpRequestMessage req, TraceWriter log, ExecutionContext context)
{
var host = req.GetHost();
var queryLogo = req.GetQueryValue("logo");
var isBool = Boolean.TryParse(queryLogo, out bool hasLogo);
if (!isBool && queryLogo != null)
{
return(new HttpResponseMessage(HttpStatusCode.BadRequest));
}
var generator = new UrlGenerator(new Uri(host + path), 1);
var uri = generator.ToUri().First();
var bitmap = new QrCode().GenerateImage(uri, 50);
var wallId = generator.Guids.First().ToString("N");
byte[] hmac;
var key = SampleAESKey.Key;
hmac = AES.EncryptStringToBytes_Aes(wallId, key);
var ms = new MemoryStream();
if (hasLogo)
{
var logoPath = context.FunctionAppDirectory + LOGO_DIR;
var logo = new Logo(logoPath);
ms.Position = 0;
var qrCodeWithLogo = logo.Image.AppendImage(Image.FromStream(ms), 100, 100);
ms = new MemoryStream();
qrCodeWithLogo.Save(ms, ImageFormat.Jpeg);
}
var response = new HttpResponseMessage(HttpStatusCode.OK);
response.Content = new ByteArrayContent(ms.ToArray());
response.Content.Headers.ContentType = new MediaTypeHeaderValue(MediaType);
response.Headers.Add("Access-Control-Expose-Headers", HeaderName);
response.Headers.Add(HeaderName, AES.ByteToString(hmac));
return(response);
}