public async Task<ExternalUserInformation> GetExternalUserInformation(ExternalLoginInfo externalLoginInfo)
{
var externalUserInformation = new ExternalUserInformation();
var userId = externalLoginInfo.Principal.FindFirstValue("urn:twitter:userid");
var screenName = externalLoginInfo.Principal.FindFirstValue("urn:twitter:screenname");
var twitterAccount = await twitterRepository.GetTwitterAccount(userId, screenName);
if (twitterAccount != null && twitterAccount.User != null)
{
var twitterUser = twitterAccount.User;
externalUserInformation.Email = twitterUser.Email;
if (!string.IsNullOrEmpty(twitterUser.Name))
{
var array = twitterUser.Name.Split(' ');
if (array.Length > 1)
{
externalUserInformation.FirstName = array[0];
externalUserInformation.LastName = array[1];
}
}
}
return externalUserInformation;
}
public Task<ExternalUserInformation> GetExternalUserInformation(ExternalLoginInfo externalLoginInfo)
{
var externalUserInformation = new ExternalUserInformation
{
Email = externalLoginInfo.Principal.FindFirstValue(ClaimTypes.Email),
FirstName = externalLoginInfo.Principal.FindFirstValue(ClaimTypes.GivenName),
LastName = externalLoginInfo.Principal.FindFirstValue(ClaimTypes.Surname)
};
return Task.FromResult(externalUserInformation);
}
public Task<ExternalUserInformation> GetExternalUserInformation(ExternalLoginInfo externalLoginInfo)
{
var externalUserInformation = new ExternalUserInformation { Email = externalLoginInfo.Principal.FindFirstValue(ClaimTypes.Email) };
var name = externalLoginInfo.Principal.FindFirstValue(ClaimTypes.Name);
if (string.IsNullOrEmpty(name))
{
return Task.FromResult(externalUserInformation);
}
var array = name.Split(' ');
if (array.Length < 2)
{
return Task.FromResult(externalUserInformation);
}
externalUserInformation.FirstName = array[0];
externalUserInformation.LastName = array[1];
return Task.FromResult(externalUserInformation);
}
private static void RetrieveFirstAndLastNameFromExternalPrincipal(ExternalLoginInfo externalLoginInfo, out string firstName, out string lastName)
{
var name = externalLoginInfo.Principal.FindFirstValue(System.Security.Claims.ClaimTypes.Name);
firstName = string.Empty;
lastName = string.Empty;
if (string.IsNullOrEmpty(name))
return;
var array = name.Split(' ');
firstName = array[0];
lastName = array[1];
}
/// <summary>
/// Stores any authentication tokens found in the external authentication cookie into the associated user.
/// </summary>
/// <param name="externalLogin">The information from the external login provider.</param>
/// <returns>The <see cref="Task"/> that represents the asynchronous operation, containing the <see cref="IdentityResult"/> of the operation.</returns>
public virtual async Task <IdentityResult> UpdateExternalAuthenticationTokensAsync(ExternalLoginInfo externalLogin)
{
if (externalLogin == null)
{
throw new ArgumentNullException(nameof(externalLogin));
}
if (externalLogin.AuthenticationTokens != null && externalLogin.AuthenticationTokens.Any())
{
var user = await UserManager.FindByLoginAsync(externalLogin.LoginProvider, externalLogin.ProviderKey);
if (user == null)
{
return(IdentityResult.Failed());
}
foreach (var token in externalLogin.AuthenticationTokens)
{
var result = await UserManager.SetAuthenticationTokenAsync(user, externalLogin.LoginProvider, token.Name, token.Value);
if (!result.Succeeded)
{
return(result);
}
}
}
return(IdentityResult.Success);
}
private static void RetrieveFirstAndLastNameFromExternalPrincipal(ExternalLoginInfo externalLoginInfo, out string firstName, out string lastName)
{
firstName = string.Empty;
lastName = string.Empty;
if (externalLoginInfo.LoginProvider == "Google")
{
firstName = externalLoginInfo.Principal.FindFirstValue(System.Security.Claims.ClaimTypes.GivenName);
lastName = externalLoginInfo.Principal.FindFirstValue(System.Security.Claims.ClaimTypes.Surname);
}
if (externalLoginInfo.LoginProvider == "Facebook" || externalLoginInfo.LoginProvider == "Microsoft")
{
var name = externalLoginInfo.Principal.FindFirstValue(System.Security.Claims.ClaimTypes.Name);
if (string.IsNullOrEmpty(name))
return;
var array = name.Split(' ');
if (array.Length < 2)
return;
firstName = array[0];
lastName = array[1];
}
}
