/// <summary>
/// Requests a new OAuth token from the Authorization service
/// </summary>
/// <param name="context">The context to sue for cookie access</param>
/// <returns>The OAuth token</returns>
public static async Task <IFOAuthAccess> RefreshAccessAsync(IOwinContext context)
{
try
{
var authOptions = IFOAuthOptions.Construct();
string currentRefreshToken = context.Request.Cookies["iflo_refresh_token"];
if (currentRefreshToken != null)
{
var oauth2Token = await RefreshAccessTokenAsync(currentRefreshToken, authOptions);
IFOAuthAccess access = new IFOAuthAccess(oauth2Token);
access.Persist(context);
return(access);
}
}
catch (Exception)
{
// TODO handle exceptions
}
return(null);
}
protected override async Task <AuthenticationTicket> AuthenticateCoreAsync()
{
AuthenticationProperties properties = null;
try
{
string code = null;
string state = null;
IReadableStringCollection query = Request.Query;
IList <string> values = query.GetValues("code");
code = values[0];
values = query.GetValues("state");
if (values != null && values.Count == 1)
{
state = values[0];
}
properties = Options.StateDataFormat.Unprotect(state);
var oauth2Token = await GetOAuthTokenAsync(code);
var access = new IFOAuthAccess(oauth2Token);
if (string.IsNullOrWhiteSpace(access.AccessToken))
{
return(new AuthenticationTicket(null, properties));
}
var accountInformation = await GetUserAccountInformation(access.AccessToken);
var context = new IFOAuthContext(Context, accountInformation, access);
context.Identity = new ClaimsIdentity(
new[]
{
new Claim(ClaimTypes.NameIdentifier, context.Name, ClaimValueTypes.String, Options.AuthenticationType), // TODO need this id back from user info service
new Claim(ClaimTypes.Name, context.Name, ClaimValueTypes.String, Options.AuthenticationType)
},
Options.AuthenticationType,
ClaimsIdentity.DefaultNameClaimType,
ClaimsIdentity.DefaultRoleClaimType);
context.Properties = properties;
access.Persist(Context);
await Options.Provider.Authenticated(context);
return(new AuthenticationTicket(context.Identity, context.Properties));
}
catch (Exception ex)
{
// TODO handle exception
return(new AuthenticationTicket(null, properties));
}
}