public object GetVkRedirectPage()
{
if (HttpContext.Request.Query.ContainsKey("error"))
{
throw new AuthenticationException($"Vk failed to authenticate user with error: {HttpContext.Request.Query["error"]}", "auth failed");
}
var vkCode = HttpContext.Request.Query["code"];
var vkApi = new VkApi(socialConfig.Vk);
var(vkAccessToken, vkUserId, vkEmail) = vkApi.RequestAccessToken(vkCode);
if (vkEmail.Length > MaxEmailLength)
{
vkEmail = null;
}
if (vkAccessToken == null)
{
throw new AuthenticationException("Failed to obtain vk access token.");
}
// TODO: Check given permissions
vkApi.SetToken(vkAccessToken);
var sessionCode = HttpContext.Request.Query["state"];
var sessionHandler = AuthSessionStorage.GetHandler(sessionCode);
if (sessionHandler == null)
{
throw new AuthenticationException("Session handler not found.");
}
if (sessionHandler.IsExpired)
{
throw new AuthenticationException("Session handler has expired.");
}
var userInfo = vkApi.GetUserName();
var name = FormatName(userInfo.firstName, userInfo.lastName);
var data = userRepository.CreateOrUpdateWithVK(vkUserId, vkAccessToken, name, vkEmail);
sessionHandler.UserUuid = data.User.Uuid;
#if DEBUG
return(data);
#else
return(new OperationResultModel()
{
Result = true
});
#endif
}