auth_checker_base.hpp

#pragma once
 
#include <memory>
#include <optional>
#include <string>
 
#include <userver/server/auth/user_auth_info.hpp>
#include <userver/server/handlers/exceptions.hpp>
#include <userver/server/http/http_request.hpp>
#include <userver/server/request/request_context.hpp>
 
USERVER_NAMESPACE_BEGIN
 
namespace server::handlers::auth {
 
struct AuthCheckResult {
  enum class Status {
    kTokenNotFound,
    kInternalCheckFailure,
    kInvalidToken,
    kForbidden,
    kOk
  };
 
  Status status{Status::kOk};
  std::optional<std::string> reason{};
  std::optional<std::string> ext_reason{};
  std::optional<HandlerErrorCode> code{};
};
 
const std::string& GetDefaultReasonForStatus(AuthCheckResult::Status status);
void RaiseForStatus(const AuthCheckResult& auth_check);
 
class AuthCheckerBase {
 public:
  virtual ~AuthCheckerBase();
 
  [[nodiscard]] virtual AuthCheckResult CheckAuth(
      const http::HttpRequest& request,
      request::RequestContext& context) const = 0;
 
  [[nodiscard]] virtual bool SupportsUserAuth() const noexcept = 0;
 
 protected:
  void SetUserAuthInfo(server::request::RequestContext& request_context,
                       server::auth::UserAuthInfo&& info) const;
};
 
using AuthCheckerBasePtr = std::shared_ptr<AuthCheckerBase>;
 
}  // namespace server::handlers::auth
 
USERVER_NAMESPACE_END