OAuth2PKCE.h

#pragma once
 
#include "Library.h"
 
#include <CesiumAsync/AsyncSystem.h>
#include <CesiumAsync/Future.h>
#include <CesiumAsync/IAssetAccessor.h>
#include <CesiumUtility/Result.h>
 
#include <optional>
#include <string>
 
namespace CesiumClientCommon {
 
struct OAuth2TokenResponse {
  std::string accessToken;
  std::optional<std::string> refreshToken;
};
 
struct OAuth2ClientOptions {
  std::string clientID;
  std::string redirectPath;
  std::optional<int> redirectPort = std::nullopt;
  bool useJsonBody;
};
 
class CESIUMCLIENTCOMMON_API OAuth2PKCE {
public:
  static CesiumAsync::Future<CesiumUtility::Result<OAuth2TokenResponse>>
  authorize(
      const CesiumAsync::AsyncSystem& asyncSystem,
      const std::shared_ptr<CesiumAsync::IAssetAccessor>& pAssetAccessor,
      const std::string& friendlyApplicationName,
      const OAuth2ClientOptions& clientOptions,
      const std::vector<std::string>& scopes,
      std::function<void(const std::string&)>&& openUrlCallback,
      const std::string& tokenEndpointUrl,
      const std::string& authorizeBaseUrl);
 
  static CesiumAsync::Future<CesiumUtility::Result<OAuth2TokenResponse>>
  refresh(
      const CesiumAsync::AsyncSystem& asyncSystem,
      const std::shared_ptr<CesiumAsync::IAssetAccessor>& pAssetAccessor,
      const OAuth2ClientOptions& clientOptions,
      const std::string& refreshBaseUrl,
      const std::string& refreshToken);
 
private:
  static CesiumAsync::Future<CesiumUtility::Result<OAuth2TokenResponse>>
  completeTokenExchange(
      const CesiumAsync::AsyncSystem& asyncSystem,
      const std::shared_ptr<CesiumAsync::IAssetAccessor>& pAssetAccessor,
      const OAuth2ClientOptions& clientOptions,
      const std::string& tokenEndpointUrl,
      const std::string& code,
      const std::string& redirectUrl,
      const std::string& codeVerifier);
};
 
} // namespace CesiumClientCommon