Method FetchRequestToken

libs/editor/osm_auth.cpp:250–282

}

string OsmOAuth::FetchRequestToken(SessionID const & sid) const
{
  HttpClient request(BuildOAuth2Url());
  request.SetCookies(sid.m_cookies).SetFollowRedirects(false);

  if (!request.RunHttpRequest())
    MYTHROW(NetworkError, ("FetchRequestToken Network error while connecting to", request.UrlRequested()));

  if (request.WasRedirected())
  {
    if (request.UrlReceived().find(m_oauth2params.m_redirectUri) != 0)
      MYTHROW(OsmOAuth::NetworkError, ("FetchRequestToken Redirect url han unexpected prefix", request.UrlReceived()));

    // User already accepted OAuth2 request.
    // Recieved URL in format "{OSM_OAUTH2_REDIRECT_URI}?code=XXXX". Extract code value
    string const oauthCode = FindOauthCode(request.UrlReceived());
    if (oauthCode.empty())
      MYTHROW(OsmOAuth::NetworkError,
              ("FetchRequestToken Redirect url has no 'code' parameter", request.UrlReceived()));
    return oauthCode;
  }
  else
  {
    if (request.ErrorCode() != HTTP::OK)
      MYTHROW(FetchRequestTokenServerError, (DebugPrint(request)));

    // Throws std::runtime_error.
    string const authenticityToken = FindAuthenticityToken("/oauth2/authorize", request.ServerResponse());

    // Accept OAuth2 request from server
    return SendAuthRequest(authenticityToken, sid);
  }
}

string OsmOAuth::BuildOAuth2Url() const
{