/// <summary>
/// Given a <see cref="RefreshTokenRequest"/>, it will retrieve a refreshed access token from the authorization server.
/// </summary>
/// <param name="request">The refresh token request details, containing a valid refresh token.</param>
/// <returns>The new token issued by the server.</returns>
public async Task <AccessTokenResponse> GetTokenAsync(RefreshTokenRequest request)
{
var parameters = new Dictionary <string, object> {
{ "grant_type", "refresh_token" },
{ "refresh_token", request.RefreshToken },
{ "client_id", request.ClientId },
{ "client_secret", request.ClientSecret }
};
if (!string.IsNullOrEmpty(request.Audience))
{
parameters.Add("audience", request.Audience);
}
if (!string.IsNullOrEmpty(request.Scope))
{
parameters.Add("scope", request.Scope);
}
var response = await Connection.PostAsync <AccessTokenResponse>("oauth/token", null, parameters, null, null, null, null).ConfigureAwait(false);
IdentityTokenValidator validator = new IdentityTokenValidator();
await validator.ValidateAsync(response.IdToken, _baseUri.AbsoluteUri, request.ClientId);
return(response);
}
/// <summary>
/// Given an <see cref="ResourceOwnerTokenRequest" />, it will do the authentication on the provider and return an <see cref="AccessTokenResponse"/>.
/// </summary>
/// <param name="request">The authentication request details containing information regarding the username, password etc.</param>
/// <returns>An <see cref="AccessTokenResponse" /> with the response.</returns>
/// <remarks>
/// The grant_type parameter required by the /oauth/token endpoint will automatically be inferred from the <paramref name="request"/> parameter. If no Realm was specified,
/// then the grant_type will be set to "password". If a Realm was specified, then the grant_type will be set to "http://auth0.com/oauth/grant-type/password-realm"
/// </remarks>
public async Task <AccessTokenResponse> GetTokenAsync(ResourceOwnerTokenRequest request)
{
var parameters = new Dictionary <string, object>
{
{ "client_id", request.ClientId },
{ "username", request.Username },
{ "password", request.Password },
{ "scope", request.Scope }
};
if (!string.IsNullOrEmpty(request.ClientSecret))
{
parameters.Add("client_secret", request.ClientSecret);
}
if (!string.IsNullOrEmpty(request.Audience))
{
parameters.Add("audience", request.Audience);
}
if (string.IsNullOrEmpty(request.Realm))
{
parameters.Add("grant_type", "password");
}
else
{
parameters.Add("grant_type", "http://auth0.com/oauth/grant-type/password-realm");
parameters.Add("realm", request.Realm);
}
var headers = new Dictionary <string, object>();
if (!string.IsNullOrEmpty(request.ForwardedForIp))
{
headers.Add("auth0-forwarded-for", request.ForwardedForIp);
}
var response = await Connection.PostAsync <AccessTokenResponse>("oauth/token", null, parameters, null, null, headers, null).ConfigureAwait(false);
IdentityTokenValidator validator = new IdentityTokenValidator();
await validator.ValidateAsync(response.IdToken, _baseUri.AbsoluteUri, request.ClientId);
return(response);
}
/// <summary>
/// Request an Access Token using the Authorization Code (PKCE) flow.
/// </summary>
/// <param name="request">The <see cref="AuthorizationCodePkceTokenRequest"/> containing the information of the request.</param>
/// <returns>An <see cref="AccessTokenResponse"/> containing the token information</returns>
public async Task <AccessTokenResponse> GetTokenAsync(AuthorizationCodePkceTokenRequest request)
{
var response = await Connection.PostAsync <AccessTokenResponse>("oauth/token", null, new Dictionary <string, object>
{
{ "grant_type", "authorization_code" },
{ "client_id", request.ClientId },
{ "code", request.Code },
{ "code_verifier", request.CodeVerifier },
{ "redirect_uri", request.RedirectUri }
},
null,
null,
null,
null).ConfigureAwait(false);
IdentityTokenValidator validator = new IdentityTokenValidator();
await validator.ValidateAsync(response.IdToken, _baseUri.AbsoluteUri, request.ClientId);
return(response);
}
