public async Task <IActionResult> Register(
string userName, string password, [FromBody] CaptchaResponseWrapper captchaResponse)
{
await captchaResponse.ValidateRecaptcha(ModelState);
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
if (userName == null || password == null)
{
return(BadRequest());
}
var user = new ApplicationUser {
UserName = userName
};
var result = await _userManager.CreateAsync(user, password);
if (result.Succeeded)
{
await _signInManager.SignInAsync(user, isPersistent : false);
_logger.LogInformation(3, "User created a new account with password.");
}
return(result.Succeeded ? Ok() : GetErrorResult(result));
}
public static async Task ValidateRecaptcha(this CaptchaResponseWrapper captchaResponse, ModelStateDictionary modelState)
{
var token = captchaResponse.CaptchaResponse;
using (var webClient = new HttpClient())
{
var content = new FormUrlEncodedContent(new[]
{
new KeyValuePair <string, string>("secret", ReCaptchaSecret),
new KeyValuePair <string, string>("response", token)
}
);
HttpResponseMessage response = await webClient.PostAsync(ApiVerificationEndpoint, content);
string json = await response.Content.ReadAsStringAsync();
var reCaptchaResponse = JsonConvert.DeserializeObject <ReCaptchaResponse>(json);
if (reCaptchaResponse == null)
{
modelState.AddModelError(ReCaptchaModelErrorKey, "Unable To Read Response From Server");
}
else if (!reCaptchaResponse.Success)
{
modelState.AddModelError(ReCaptchaModelErrorKey, "Invalid reCaptcha");
}
}
}
public static async Task ValidateRecaptcha(string captchaResponse, ModelStateDictionary modelState)
{
var captcha = new CaptchaResponseWrapper()
{
CaptchaResponse = captchaResponse
};
await captcha.ValidateRecaptcha(modelState);
}
public async Task <IActionResult> PostImage([FromRoute] string title, IFormFile imageFile, string captchaResponse)
{
await CaptchaResponseWrapper.ValidateRecaptcha(captchaResponse, ModelState);
if (imageFile.Length > maximumImageSize)
{
ModelState.AddModelError("", String.Format("The uploaded image exceeds maximum size of {0}kB.", maximumImageSize / 1024));
}
if (!IsJpgFile(imageFile))
{
ModelState.AddModelError("", "Couldn't proccess uploaded file. Please upload a valid JPG file.");
}
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
using (Stream stream = imageFile.OpenReadStream())
{
using (var binaryReader = new BinaryReader(stream))
{
var fileContent = binaryReader.ReadBytes((int)imageFile.Length);
var newImage = new Image
{
Title = title,
ImageData = fileContent,
OwnerId = this.User.GetUserId()
};
_context.Add(newImage);
await _context.SaveChangesAsync();
return(Ok());
}
}
}