async Task SignIn()
{
try
{
#if DEBUG
if ((bool)Application.Current.Resources["LoginOk"])
{
Application.Current.MainPage = new MasterPage()
{
IsPresented = true
};
return;
}
#endif
if (!ValidateInformation())
{
await Application.Current.MainPage.DisplayAlert("Aviso", "Verifica que todos los campos se encuentren completos.", "Aceptar");
}
else if (!IsBusy)
{
IsBusy = true;
//clean any previous session
SignOutPage.CleanCurrentSession();
//launch task
SignInAccountRequest model = new SignInAccountRequest()
{
username = Username, password = Password
};
SignInAccountResponse response = await RestHelper.SignInAccountAsync(model);
if (response.Status != ResponseStatus.Ok)
{
await Application.Current.MainPage.DisplayAlert("Error", response.Message, "Aceptar");
}
else
{
Settings.Profile_Username = response.Username;
Settings.Profile_Picture = $"{Settings.ImageStorageUrl}/{Settings.AccountImageStorageUrl}/{response.Image}";
IsBusy = false;
await Task.Delay(10);
Application.Current.MainPage = new MasterPage()
{
IsPresented = true
};
}
IsBusy = false;
}
}
catch (Exception ex)
{
Microsoft.AppCenter.Crashes.Crashes.TrackError(ex);
await Application.Current.MainPage.DisplayAlert("Error", "Ocurrió un error inesperado", "Aceptar");
}
}
public static async Task <SignInAccountResponse> SignInAccountAsync(SignInAccountRequest model)
{
int IterationsToRetry = 5;
int TimeToSleepForRetry = 3000;
SignInAccountResponse result = new SignInAccountResponse();
if (Helpers.ConnectivyHelper.CheckConnectivity() != Enums.ConnectivtyResultEnum.HasConnectivity)
{
result.Status = Enums.ResponseStatus.CommunicationError;
result.Message = "El dispositivo no pudo comunicarse con el servidor, comprueba que tengas conexión a internet";
return(result);
}
model.token = GetToken();
for (int i = 0; i <= IterationsToRetry; i++)
{
try
{
using (var client = new HttpClient())
{
var service = $"{Settings.FunctionURL}/api/SignInAccount/";
byte[] byteData = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(model));
using (var content = new ByteArrayContent(byteData))
{
content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
var httpResponse = await client.PostAsync(service, content);
result = JsonConvert.DeserializeObject <SignInAccountResponse>(await httpResponse.Content.ReadAsStringAsync());
if (httpResponse.StatusCode == HttpStatusCode.OK)
{
result.Status = Enums.ResponseStatus.Ok;
}
else
{
result.Status = Enums.ResponseStatus.Error;
}
return(result);
}
}
}
catch (Exception)
{
result.Status = Enums.ResponseStatus.CommunicationError;
result.Message = "Ocurrió un error durante el proceso, por favor intenta de nuevo o espera unos minutos antes de vovler a intentar";
Thread.Sleep(TimeToSleepForRetry);
continue;
}
}
return(result);
}
public static async Task <IActionResult> Run([HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = null)] HttpRequest req, TraceWriter log, ExecutionContext context)
{
TelemetryClient telemetryClient = new TelemetryClient
{
InstrumentationKey = Settings.APPINSIGHTS_INSTRUMENTATIONKEY
};
telemetryClient.TrackTrace("Starting function: SignInAccount");
SignInAccountResponse result = new SignInAccountResponse
{
IsSucceded = true,
ResultId = (int)SignInAccountResultEnum.Success
};
try
{
string requestBody = new StreamReader(req.Body).ReadToEnd();
dynamic data = JsonConvert.DeserializeObject(requestBody);
string token = data?.token;
string username = data?.username;
string password = data?.password;
Dictionary <ParameterTypeEnum, object> parameters = new Dictionary <ParameterTypeEnum, object>
{
{ ParameterTypeEnum.Username, username },
{ ParameterTypeEnum.Password, password }
};
telemetryClient.TrackTrace("Validating token");
//validate token
if (!string.IsNullOrEmpty(token))
{
var decrypted_token = SecurityHelper.Decrypt(token, Settings.SECURITY_SEED);
byte[] token_bytes = Convert.FromBase64String(decrypted_token);
DateTime when = DateTime.FromBinary(BitConverter.ToInt64(token_bytes, 0));
if (when < DateTime.UtcNow.AddMinutes(-5))
{
result.IsSucceded = false;
result.ResultId = (int)SignInAccountResultEnum.InvalidToken;
}
else
{
telemetryClient.TrackTrace("Calling helper");
SignInAccountHelper helper = new SignInAccountHelper(telemetryClient, Settings.STORAGE_ACCOUNT, Settings.RPC_CLIENT, Configurations.GetMongoDbConnectionInfo());
result = helper.SignInAccount(parameters);
}
}
else
{
result.IsSucceded = false;
result.ResultId = (int)SignInAccountResultEnum.MissingToken;
}
}
catch (AggregateException ex)
{
foreach (var innerException in ex.Flatten().InnerExceptions)
{
telemetryClient.TrackException(innerException);
}
result.IsSucceded = false;
result.ResultId = (int)SignInAccountResultEnum.Failed;
}
catch (Exception ex)
{
telemetryClient.TrackException(ex);
result.IsSucceded = false;
result.ResultId = (int)SignInAccountResultEnum.Failed;
}
//get message for result id
string message = EnumDescription.GetEnumDescription((SignInAccountResultEnum)result.ResultId);
//build json result object
dynamic jsonresult = new JObject();
jsonresult.message = message;
jsonresult.username = result.Username;
jsonresult.image = result.Image;
telemetryClient.TrackTrace("Finishing function: SignInAccount");
//send ok result or bad request
return((result.IsSucceded) ? (ActionResult) new OkObjectResult(jsonresult) : (ActionResult) new BadRequestObjectResult(jsonresult));
}
public SignInAccountResponse SignInAccount(Dictionary <ParameterTypeEnum, object> parameters)
{
telemetryClient.TrackTrace("Starting helper");
SignInAccountResponse result = new SignInAccountResponse
{
IsSucceded = true,
ResultId = (int)SignUpAccountResultEnum.Success
};
try
{
telemetryClient.TrackTrace("Getting parameters");
parameters.TryGetValue(ParameterTypeEnum.Username, out global::System.Object ousername);
string username = ousername.ToString().ToLower();
parameters.TryGetValue(ParameterTypeEnum.Password, out global::System.Object opassword);
string password = opassword.ToString();
//database helpers
DBUserAccountHelper dbUserAccountHelper = new DBUserAccountHelper(DBCONNECTION_INFO);
telemetryClient.TrackTrace("Validating username length");
//validate username length
if (!RegexValidation.IsValidUsername(username))
{
result.IsSucceded = false;
result.ResultId = (int)SignInAccountResultEnum.InvalidUsernameLength;
return(result);
}
telemetryClient.TrackTrace("Validating username existance");
//validate if account exists
UserAccount userAccount = dbUserAccountHelper.GetUser(username);
if (userAccount == null)
{
result.IsSucceded = false;
result.ResultId = (int)SignInAccountResultEnum.NotExists;
return(result);
}
else
{
if (userAccount.password == MD5Hash.CalculateMD5Hash(password))
{
result.IsSucceded = true;
result.ResultId = (int)SignInAccountResultEnum.Success;
result.Username = userAccount.username;
result.Image = $"{userAccount.username}.png";
}
else
{
result.IsSucceded = false;
result.ResultId = (int)SignInAccountResultEnum.IncorrectPassword;
return(result);
}
}
}
catch (AggregateException ex)
{
foreach (var innerException in ex.Flatten().InnerExceptions)
{
telemetryClient.TrackException(innerException);
}
result.IsSucceded = false;
result.ResultId = (int)SignUpAccountResultEnum.Failed;
}
catch (Exception ex)
{
telemetryClient.TrackException(ex);
result.IsSucceded = false;
result.ResultId = (int)SignUpAccountResultEnum.Failed;
}
telemetryClient.TrackTrace("Finishing helper");
return(result);
}