public OAuth2AccessToken resolve(String tokenString)
{
OAuth2AccessTokenEnvelope envelope = JasonUtils.UnmarshalAccessTokenEnvelope(tokenString);
if (envelope == null)
{
throw new System.ApplicationException("Cannot create OAuth2 Envelope from token");
}
String accessToken = envelope.Token;
if (!tokenSigner.IsValid(accessToken, envelope.SignatureValue))
{
// Invalid signature, throw exception.
throw new System.ApplicationException("Invalid OAuth2 Token signature");
}
accessToken = tokenEncrypter.Decrypt(accessToken);
if (envelope.Deflated)
{
accessToken = JasonUtils.inflate(accessToken, true);
}
OAuth2AccessToken at = JasonUtils.UnmarshalAccessToken(accessToken);
// Check token expiration
return(at);
}
