Method parse

CesiumIonClient/src/LoginToken.cpp:18–39

namespace CesiumIonClient {
CesiumUtility::Result<LoginToken>
LoginToken::parse(const std::string& tokenString) {
  CesiumUtility::Result<rapidjson::Document> payloadResult =
      CesiumClientCommon::JwtTokenUtility::parseTokenPayload(tokenString);
  if (!payloadResult.value) {
    return Result<LoginToken>(std::move(payloadResult.errors));
  }

  rapidjson::Document& json = *payloadResult.value;

  const auto it = json.FindMember("exp");
  std::optional<std::time_t> expirationTime =
      it != json.MemberEnd() && it->value.IsInt64()
          ? std::make_optional<std::time_t>(std::time_t(it->value.GetInt64()))
          : std::nullopt;

  if (expirationTime == -1) {
    expirationTime = std::nullopt;
  }

  return Result<LoginToken>(LoginToken(tokenString, expirationTime));
}

bool LoginToken::isValid() const {
  if (!this->_expirationTime) {