internal async Task <OAuthResponse> GetTokenFromCode(string code)
{
if (string.IsNullOrEmpty(Definition.TokenUrl))
{
return(OAuthResponse.WithError("BadImplementation",
"Provider returns code in authorize request but there is not access token URL."));
}
return(await GetToken(Definition.TokenUrl,
Definition.TokenAuthorizationHeaders,
BuildTokenRequestFields(code)));
}
internal virtual OAuthResponse GetTokenResponse(string response)
{
switch (Definition.TokenResponseSerialization)
{
case TokenResponseSerialization.JSON:
return(ReadOAuthResponseFromJson(response));
case TokenResponseSerialization.UrlEncoded:
return(ReadOAuthResponseFromUrl("http://abc.com?" + response));
default:
return(OAuthResponse.WithError("TokenResponseError", "Unknow serialization."));
}
}
internal async Task <OAuthResponse> RefreshToken(OAuthAccessToken token)
{
if (!Definition.RefreshesToken)
{
return(OAuthResponse.WithError("NotSupported",
"Provider does not support token refresh."));
}
return(await GetToken(Definition.TokenUrl,
Definition.RefreshTokenAuthorizationHeaders,
BuildRefreshTokenRequestFields(
string.IsNullOrEmpty(token.RefreshToken) ?
token.Token
:
token.RefreshToken)));
}
private OAuthResponse ReadOAuthResponseFromJson(string json)
{
var jObject = JObject.Parse(json);
var error = jObject.GetStringValue(_errorParameter);
if (!string.IsNullOrEmpty(error))
{
return(OAuthResponse.WithError(error, jObject.GetStringValue(_errorDescriptionParameter)));
}
return(OAuthResponse.WithToken(new OAuthAccessToken(
jObject.GetStringValue(_accessTokenParatemeter),
"bearer".Equals(jObject.GetStringValue(_tokenTypeParameter), StringComparison.OrdinalIgnoreCase) ?
TokenType.Bearer
:
TokenType.Unknown,
jObject.GetStringValue(_refreshTokenParameter),
GetExpireDate(jObject.GetStringValue(_expiresInParameter)))));
}
internal virtual OAuthResponse ReadOAuthResponseFromUrl(string url)
{
var parameters = ReadResponseParameter(url);
if (parameters.ContainsKey(_errorParameter))
{
return(OAuthResponse.WithError(parameters[_errorParameter],
parameters.ContainsKey(_errorDescriptionParameter) ?
parameters[_errorDescriptionParameter]
:
null
));
}
if (parameters.ContainsKey(_codeParameter))
{
return(OAuthResponse.WithCode(parameters[_codeParameter]));
}
var tokenTypeValue = parameters.ContainsKey(_tokenTypeParameter)
?
parameters[_tokenTypeParameter]
: string.Empty;
return(OAuthResponse.WithToken(new OAuthAccessToken(
parameters[Definition.TokenResponseUrlParameter],
"bearer".Equals(tokenTypeValue, StringComparison.OrdinalIgnoreCase) ?
TokenType.Bearer
:
TokenType.Url,
GetExpireDate(parameters.ContainsKey(Definition.ExpiresParameter) ?
parameters[Definition.ExpiresParameter]
:
string.Empty)
)));
}