81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
#ifndef JWT_CPP_BOOSTJSON_TRAITS_H
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#define JWT_CPP_BOOSTJSON_TRAITS_H
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#define JWT_DISABLE_PICOJSON
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#include "jwt-cpp/jwt.h"
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#include <boost/json.hpp>
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// if not boost JSON standalone then error...
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namespace jwt {
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namespace traits {
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namespace json = boost::json;
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struct boost_json {
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using value_type = json::value;
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using object_type = json::object;
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using array_type = json::array;
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using string_type = std::string;
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using number_type = double;
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using integer_type = std::int64_t;
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using boolean_type = bool;
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static jwt::json::type get_type(const value_type& val) {
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using jwt::json::type;
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if (val.kind() == json::kind::bool_) return type::boolean;
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if (val.kind() == json::kind::int64) return type::integer;
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if (val.kind() == json::kind::uint64) // boost internally tracks two types of integers
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return type::integer;
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if (val.kind() == json::kind::double_) return type::number;
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if (val.kind() == json::kind::string) return type::string;
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if (val.kind() == json::kind::array) return type::array;
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if (val.kind() == json::kind::object) return type::object;
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throw std::logic_error("invalid type");
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}
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static object_type as_object(const value_type& val) {
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if (val.kind() != json::kind::object) throw std::bad_cast();
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return val.get_object();
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}
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static array_type as_array(const value_type& val) {
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if (val.kind() != json::kind::array) throw std::bad_cast();
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return val.get_array();
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}
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static string_type as_string(const value_type& val) {
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if (val.kind() != json::kind::string) throw std::bad_cast();
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return string_type{val.get_string()};
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}
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static integer_type as_integer(const value_type& val) {
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switch (val.kind()) {
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case json::kind::int64: return val.get_int64();
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case json::kind::uint64: return static_cast<int64_t>(val.get_uint64());
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default: throw std::bad_cast();
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}
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}
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static boolean_type as_boolean(const value_type& val) {
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if (val.kind() != json::kind::bool_) throw std::bad_cast();
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return val.get_bool();
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}
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static number_type as_number(const value_type& val) {
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if (val.kind() != json::kind::double_) throw std::bad_cast();
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return val.get_double();
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}
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static bool parse(value_type& val, string_type str) {
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val = json::parse(str);
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return true;
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}
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static std::string serialize(const value_type& val) { return json::serialize(val); }
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};
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} // namespace traits
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} // namespace jwt
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#endif // JWT_CPP_BOOSTJSON_TRAITS_H
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