public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = null)] HttpRequest req,
ILogger log)
{
log.LogInformation("Function started");
if (req.Query.ContainsKey("Register") && req.Query["Register"] == "Yes")
{
log.LogInformation("Register query param found, attempting webhook registration");
try
{
string SubscriptionKey = System.Environment.GetEnvironmentVariable("SubscriptionKey");
var url = System.Environment.GetEnvironmentVariable("CallbackFunctionUrl");
log.LogInformation(SubscriptionKey);
string HostName = string.Format(HostNameTempalte, System.Environment.GetEnvironmentVariable("Region"));
log.LogInformation(HostName);
var client = BatchClient.CreateApiV2Client(SubscriptionKey, HostName, Port, log, "2.1");
var result = await client.CreateWebHook(url, "<my_secret>");
if (result != null)
{
log.LogInformation(result.AbsoluteUri);
}
var template = @"{'$schema': 'https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#', 'contentVersion': '1.0.0.0', 'parameters': {}, 'variables': {}, 'resources': [],'outputs': {}}";
var contentResult = new ContentResult();
contentResult.Content = template;
contentResult.ContentType = "applicaition/json";
return((ActionResult)contentResult);
}
catch (Exception e)
{
log.LogError(e.Message);
log.LogError(e.StackTrace);
return((ActionResult) new BadRequestResult());
}
}
else
{
var eventTypeHeader = req.Headers[EventTypeHeaderName];
var signature = req.Headers[SignatureHeaderName];
log.LogInformation("C# HTTP trigger function processed a request.");
log.LogInformation("Validating request");
string body = string.Empty;
try{
using (var streamReader = new StreamReader(req.Body))
{
body = await streamReader.ReadToEndAsync().ConfigureAwait(false);
log.LogInformation(body);
var secretBytes = Encoding.UTF8.GetBytes("<my_secret>");
using (var hmacsha256 = new HMACSHA256(secretBytes))
{
var contentBytes = Encoding.UTF8.GetBytes(body);
var contentHash = hmacsha256.ComputeHash(contentBytes);
var storedHash = Convert.FromBase64String(signature);
var validated = contentHash.SequenceEqual(storedHash);
if (!validated)
{
return((ActionResult) new BadRequestResult());
}
}
}
}catch (Exception e) {
log.LogError(e.Message);
log.LogError(e.Message);
return((ActionResult) new BadRequestResult());
}
switch (eventTypeHeader)
{
case "Ping":
// Do your ping event related stuff here (or ignore this event)
log.LogInformation("ping happened");
break;
case "TranscriptionCompletion":
log.LogInformation("Transcript complete event happened");
log.LogInformation(body);
dynamic eventData = JObject.Parse(body);
string status = eventData.status;
string id = eventData.id;
if (status == "Succeeded")
{
string SubscriptionKey = System.Environment.GetEnvironmentVariable("SubscriptionKey");
string storageUrl = System.Environment.GetEnvironmentVariable("TranscriptStorageContainerUrl");
string SASToken = System.Environment.GetEnvironmentVariable("SASToken");
log.LogInformation(SubscriptionKey);
string HostName = string.Format(HostNameTempalte, System.Environment.GetEnvironmentVariable("Region"));
log.LogInformation(HostName);
var client = BatchClient.CreateApiV2Client(SubscriptionKey, HostName, Port);
var Transcriptionresult = await client.GetTranscriptionAsync(new Guid(id));
foreach (string channel in Transcriptionresult.ResultsUrls.Keys)
{
log.LogInformation(channel);
CloudBlockBlob recording = new CloudBlockBlob(Transcriptionresult.RecordingsUrl);
string url = Transcriptionresult.ResultsUrls[channel];
log.LogInformation(url);
CloudBlockBlob sourceblob = new CloudBlockBlob(new Uri(url));
string filename = recording.Name.Remove(recording.Name.LastIndexOf('.'));
string transcripturl = storageUrl + "/" + filename + channel + "-transcript.json" + SASToken;
log.LogInformation(transcripturl);
CloudBlockBlob targetblob = new CloudBlockBlob(new Uri(transcripturl));
var resutl = await targetblob.StartCopyAsync(sourceblob);
log.LogInformation(resutl);
}
await client.DeleteTranscriptionAsync(new Guid(id));
}
else
{
log.LogWarning("Transcription not succesful");
string statusMessage = eventData.statusMessage;
log.LogWarning(statusMessage);
}
break;
default:
log.LogInformation(eventTypeHeader);
log.LogInformation(body);
break;
}
return((ActionResult) new OkResult());
}
}
