oauth_client_authentication.h

#ifndef SOURCEMETA_CORE_OAUTH_CLIENT_AUTHENTICATION_H_
#define SOURCEMETA_CORE_OAUTH_CLIENT_AUTHENTICATION_H_
 
#ifndef SOURCEMETA_CORE_OAUTH_EXPORT
#include <sourcemeta/core/oauth_export.h>
#endif
 
#include <sourcemeta/core/crypto.h>
 
#include <cstdint>     // std::uint8_t
#include <string_view> // std::string_view
 
namespace sourcemeta::core {

SOURCEMETA_CORE_OAUTH_EXPORT
auto oauth_client_secret_basic(const std::string_view client_id,
                               const std::string_view client_secret,
                               SecureString &sink) -> void;

SOURCEMETA_CORE_OAUTH_EXPORT
auto oauth_client_secret_post(const std::string_view client_id,
                              const std::string_view client_secret,
                              SecureString &sink) -> void;

SOURCEMETA_CORE_OAUTH_EXPORT
auto oauth_client_id_only(const std::string_view client_id, SecureString &sink)
    -> void;

enum class OAuthClientAuthenticationMethod : std::uint8_t {
  None,
  Basic,
  Post,
  Public,
  Assertion
};

struct OAuthClientCredentials {
  OAuthClientAuthenticationMethod method;
  std::string_view client_id;
  std::string_view client_secret;
  std::string_view assertion_type;
  std::string_view assertion;
};

SOURCEMETA_CORE_OAUTH_EXPORT
auto oauth_parse_client_authentication(const std::string_view authorization,
                                       const std::string_view body,
                                       SecureString &storage,
                                       OAuthClientCredentials &credentials)
    -> bool;
 
} // namespace sourcemeta::core
 
#endif