/// <summary>
/// Get user info from the providers user endpoint.
/// </summary>
/// <param name="provider">OAuth2 provider wrapper.</param>
/// <param name="accessToken">Access token to use.</param>
/// <returns>Raw data from the provider.</returns>
public static string GetUserInfo(OAuth2Provider provider, string accessToken)
{
var parameters = new Dictionary <string, string>
{
{ "access_token", accessToken }
};
return(request(
provider.UserInfoUri,
"GET",
buildQueryString(parameters)));
}
/// <summary>
/// Construct a OAuth2 forwarding URI to redirect with.
/// </summary>
/// <param name="provider">OAuth2 provider wrapper.</param>
/// <param name="redirectUri">URI to redirect back to the system.</param>
/// <param name="locale">Language locale for provider interface.</param>
/// <returns>URI to redirect system to, for user authorization.</returns>
public static string CreateRedirect(OAuth2Provider provider, string redirectUri, string locale = "en")
{
var parameters = new Dictionary <string, string>
{
{ "client_id", provider.ClientId },
{ "display", "page" },
{ "locale", locale },
{ "redirect_uri", redirectUri },
{ "response_type", "code" }
};
if (provider.Offline)
{
parameters.Add(
"access_type",
"offline");
}
if (!string.IsNullOrWhiteSpace(provider.Scope))
{
parameters.Add(
"scope",
provider.Scope);
}
if (!string.IsNullOrWhiteSpace(provider.State))
{
parameters.Add(
"state",
provider.State);
}
var qs = buildQueryString(parameters);
var url =
provider.AuthUri + "?" +
qs;
return(url);
}
/// <summary>
/// Request a access token by exchanging a auth code.
/// </summary>
/// <param name="provider">OAuth2 provider wrapper.</param>
/// <param name="redirectUri">URI to redirect back to the system.</param>
/// <param name="code">Authorization code.</param>
/// <returns>Authentication response object.</returns>
public static OAuth2AuthenticateResponse AuthenticateByCode(OAuth2Provider provider, string redirectUri,
string code)
{
var parameters = new Dictionary <string, string>
{
{ "client_id", provider.ClientId },
{ "client_secret", provider.ClientSecret },
{ "redirect_uri", redirectUri },
{ "code", code },
{ "grant_type", "authorization_code" }
};
if (!string.IsNullOrWhiteSpace(provider.Scope))
{
parameters.Add(
"scope",
provider.Scope);
}
if (!string.IsNullOrWhiteSpace(provider.State))
{
parameters.Add(
"state",
provider.State);
}
var reply = request(
provider.AccessTokenUri,
payload: buildQueryString(parameters));
return(interpretReply(reply));
}
