public async Task <IHttpActionResult> GetGitHubToken(string githubCode)
{
var config = GitHubAuthorizationConfiguration.CreateDefault();
string responseString = "";
using (var webClient = new WebClient())
{
webClient.Headers.Add("Accept", "application/json");
responseString = webClient.UploadString(config.GetTokenEndpoint(), config.GetTokenEndpointParameters(githubCode));
}
var responseDefiniton = new { token_type = "", scope = "", access_token = "" };
var response = JsonConvert.DeserializeAnonymousType(responseString, responseDefiniton);
var accessToken = response.access_token;
string userInformationString = "";
using (var webClient = new WebClient())
{
webClient.Headers.Add("Accept", "application/json");
// Set a User-Agent ... any User-Agent..... , otherwise receive a 403 Unauthorized.... yup!
webClient.Headers.Add("User-Agent", "Y U require this header, github? this cost me some 30 minutes!");
userInformationString = webClient.DownloadString(string.Format("https://api.github.com/user?access_token={0}", accessToken));
}
ApplicationUser user = JsonConvert.DeserializeObject <ApplicationUser>(userInformationString);
user.CheckAndRepairUselessRequiredFields();
ApplicationUser exisitingUser = await UserManager.FindByNameAsync(user.UserName);
if (exisitingUser != null)
{
exisitingUser.AvatarUrl = user.AvatarUrl;
exisitingUser.Email = user.Email;
exisitingUser.GitHubId = user.GitHubId;
exisitingUser.HtmlUrl = user.HtmlUrl;
exisitingUser.RepositoriesUrl = user.RepositoriesUrl;
exisitingUser.Url = user.Url;
IdentityResult idr = await UserManager.UpdateAsync(exisitingUser);
}
else
{
await UserManager.CreateAsync(user);
exisitingUser = await UserManager.FindByNameAsync(user.UserName);
}
await AddExternalLogin(exisitingUser, accessToken);
ClaimsIdentity oAuthIdentity = await exisitingUser.GenerateUserIdentityAsync(UserManager, DefaultAuthenticationTypes.ExternalBearer);
AuthenticationProperties authProperties = ApplicationOAuthProvider.CreateProperties(exisitingUser.UserName);
oAuthIdentity.AddClaims(new Claim[]
{
new Claim(ClaimTypes.NameIdentifier, accessToken),
new Claim("http://schemas.microsoft.com/accesscontrolservice/2010/07/claims/identityprovider",
"ASP.NET Identity", "http://www.w3.org/2001/XMLSchema#string"),
new Claim(ClaimTypes.Name, exisitingUser.UserName),
new Claim("Certificate", accessToken),
});
Authentication.SignIn(new AuthenticationProperties
{
IsPersistent = false,
}, oAuthIdentity);
return(Ok(new { Token = accessToken, user = exisitingUser }));
}
public IHttpActionResult GetAuthorizationConfiguration()
{
return(Json(GitHubAuthorizationConfiguration.CreateDefault()));
}
