public static async Task <GoogleReply> DoRequest(string audioPayload, string lang, string apiKey)
{
//Create payload
string payload = CreateRequestPayload(audioPayload, lang);
//Submit to Google
string reply;
using (HttpClient hc = new HttpClient())
{
var content = new StringContent(payload);
var response = await hc.PostAsync("https://speech.googleapis.com/v1/speech:recognize?key=" + apiKey, content);
reply = await response.Content.ReadAsStringAsync();
}
//Decode this and return the results.
GoogleReply replyData = JsonConvert.DeserializeObject <GoogleReply>(reply);
return(replyData);
}
public static async Task OnHttpRequest(Microsoft.AspNetCore.Http.HttpContext e)
{
//Authenticate this user using the hostname used. We must use the hostname because that's the most I can change from the Pebble configuration.
UrlParams urlParams = RpwsAuth.DecodeUrlParams.DecodeUrl(e.Request.Host.Host);
//Check the voice token against our database
VoiceToken me = Program.AuthenticateVoiceToken(urlParams.accessToken);
if (me == null)
{
throw new Exception("Invalid access token!");
}
//Grab their user account
VoiceAccount account = RpwsQuota.RpwsVoiceAuth.GetAccount(me.rpws_uid);
//Award new tokens
RpwsQuota.RpwsVoiceAuth.AwardNewCredits(account);
//Send the welcome email if we haven't
/*if(!account.b_has_sent_welcome_email)
* RpwsAuth.EmailService.SendWelcomeEmail(me);
* account.b_has_sent_welcome_email = true;*/
//Save account and log
Console.WriteLine($"Voice request by {account._id}, credits remaining: {account.credits}");
RpwsQuota.RpwsVoiceAuth.SaveAccount(account);
//Stop request if needed
if (account.credits < 1)
{
throw new Exception("Quota reached.");
}
//Pass this into the HTTPDecoder
Tuple <RequestData, List <Stream> > payload = VoiceService.HttpDecoder.DecodeHttpData(e).Result;
RequestData requestConfig = payload.Item1;
//Now, convert this to base64 request
string audioData = VoiceService.SpeexWithHeaderByteConverter.CreateBase64Payload(payload.Item2);
//Now, form a Google request and send it.
GoogleReply textData = await VoiceService.GoogleRequester.DoRequest(audioData, urlParams.languageRegion, Program.config.googleApiKey);
//Now, convert to a fake Nuance response
List <GoogleReply_Result> results = new List <GoogleReply_Result>();
bool ok = true;
if (textData != null)
{
results = textData.results;
ok = false;
}
else
{
ok = textData.results.Count != 0;
}
//Save
account.credits -= 0.5f;
if (ok)
{
account.credits -= 0.5f;
}
RpwsQuota.RpwsVoiceAuth.SaveAccount(account);
//Now, form a reply that the Pebble will be happy with.
NuanceResponse reply = VoiceService.FakeNuanceResponse.ConvertResponse(results, requestConfig);
//Write this out
await VoiceService.NuanceResponder.RespondWithData(e, JsonConvert.SerializeObject(reply));
}
