oidc_claims.h

#ifndef SOURCEMETA_CORE_OIDC_CLAIMS_H_
#define SOURCEMETA_CORE_OIDC_CLAIMS_H_
 
#ifndef SOURCEMETA_CORE_OIDC_EXPORT
#include <sourcemeta/core/oidc_export.h>
#endif
 
#include <sourcemeta/core/json.h>
 
#include <functional>  // std::function
#include <optional>    // std::optional
#include <span>        // std::span
#include <string_view> // std::string_view
 
namespace sourcemeta::core {

SOURCEMETA_CORE_OIDC_EXPORT
auto oidc_is_standard_claim(const std::string_view name) noexcept -> bool;

SOURCEMETA_CORE_OIDC_EXPORT
auto oidc_scope_to_claims(const std::string_view scopes,
                          const std::function<void(std::string_view)> &on_claim)
    -> void;

SOURCEMETA_CORE_OIDC_EXPORT
auto oidc_claim_to_scope(const std::string_view claim) noexcept
    -> std::optional<std::string_view>;

struct OIDCClaimRequest {
  std::string_view name;
  bool essential{false};
  const JSON *value{nullptr};
  std::span<const JSON> values{};
};

SOURCEMETA_CORE_OIDC_EXPORT
auto oidc_build_claims_parameter(
    const std::span<const OIDCClaimRequest> userinfo_claims,
    const std::span<const OIDCClaimRequest> id_token_claims) -> JSON;

SOURCEMETA_CORE_OIDC_EXPORT
auto oidc_claims_parameter_requests(const JSON &claims,
                                    const std::string_view target,
                                    const std::string_view claim) -> bool;

SOURCEMETA_CORE_OIDC_EXPORT
auto oidc_claims_parameter_is_essential(const JSON &claims,
                                        const std::string_view target,
                                        const std::string_view claim) -> bool;

SOURCEMETA_CORE_OIDC_EXPORT
auto oidc_claims_parameter_value(const JSON &claims,
                                 const std::string_view target,
                                 const std::string_view claim) -> const JSON *;

SOURCEMETA_CORE_OIDC_EXPORT
auto oidc_claims_parameter_accepts(const JSON &claims,
                                   const std::string_view target,
                                   const std::string_view claim,
                                   const JSON &value) -> bool;

SOURCEMETA_CORE_OIDC_EXPORT
auto oidc_claim_request_accepts(const JSON &request, const JSON &value) -> bool;
 
} // namespace sourcemeta::core
 
#endif