public async Task <ApiResponse <AccessTokenModel> > OAuthByFacebook(string fbShortToken)
{
var client = GetFacebookClient(fbShortToken);
object userModelResponse = null;
try
{
userModelResponse = await client.GetTaskAsync("me", new { fields = new[] { "id", "name", "email", "birthday", "picture", "locale", "first_name", "last_name" } });
}
catch (Exception e) { }
var uModel = FacebookParser.Parse <FacebookUserProfileModel>(userModelResponse);
if (uModel == null)
{
return(Failed());
}
var dbUser = await _userStore.FindByEmailAsync(uModel.Email.ToLower());
if (dbUser == null)
{
dbUser = new EntityUser
{
UserName = uModel.Email,
FirstName = uModel.FirstName,
LastName = uModel.LastName,
Email = uModel.Email,
PictureUrl = uModel.Picture.Data.Url,
Birthday = uModel.Birthday,
Locale = uModel.Locale,
EmailConfirmed = true,
NormalizedEmail = uModel.Email.ToLower(),
NormalizedUserName = uModel.Email.ToLower()
};
await _userStore.CreateAsync(dbUser);
await _userStore.AddToRoleAsync(dbUser, "user");
}
var dbSocial = await _context.UserSocials.FirstOrDefaultAsync(x => x.UserId == dbUser.Id && x.Type == EntityUserSocialType.Facebook && x.ExternalId == uModel.Id);
if (dbSocial == null)
{
dbSocial = new EntityUserSocial
{
ExternalId = uModel.Id,
Type = EntityUserSocialType.Facebook,
UserId = dbUser.Id,
};
await _context.UserSocials.AddAsync(dbSocial);
await _context.SaveChangesAsync();
}
// get long live token
using (HttpClient http = new HttpClient())
{
var longTokenResponse = await http.GetAsync($"https://graph.facebook.com/oauth/access_token?grant_type=fb_exchange_token&client_id=" + _appData.FacebookAppId + "&client_secret=" + _appData.FacebookAppSecret + "&fb_exchange_token=" + fbShortToken);
if (!longTokenResponse.IsSuccessStatusCode)
{
return(Failed());
}
var longTokenResponseContent = await longTokenResponse.Content.ReadAsStringAsync();
var facebookToken = JsonConvert.DeserializeObject <FacebookAccessTokenModel>(longTokenResponseContent);
if (facebookToken == null)
{
return(Failed());
}
dbSocial.Token = facebookToken.AccessToken;
dbSocial.TokenExpires = DateTime.UtcNow.AddSeconds(facebookToken.ExpiresIn);
_context.UserSocials.Update(dbSocial);
await _context.SaveChangesAsync();
}
var token = await AuthUser(dbUser, EntityUserSocialType.Facebook);
return(Ok(token));
}
