139 lines
2.9 KiB
C++
139 lines
2.9 KiB
C++
#pragma once
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <Wincrypt.h>
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#include <jansson.h>
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#include <cstdint>
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#include <string>
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/* ------------------------------------------------------------------------ */
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template<typename T, void freefunc(T)> class CustomHandle {
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T handle;
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public:
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inline CustomHandle() : handle(0) {}
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inline CustomHandle(T in) : handle(in) {}
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inline ~CustomHandle()
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{
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if (handle)
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freefunc(handle);
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}
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inline T *operator&() {return &handle;}
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inline operator T() const {return handle;}
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inline T get() const {return handle;}
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inline CustomHandle<T, freefunc> &operator=(T in)
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{
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if (handle)
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freefunc(handle);
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handle = in;
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return *this;
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}
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inline bool operator!() const {return !handle;}
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};
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void FreeProvider(HCRYPTPROV prov);
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void FreeHash(HCRYPTHASH hash);
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void FreeKey(HCRYPTKEY key);
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using CryptProvider = CustomHandle<HCRYPTPROV, FreeProvider>;
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using CryptHash = CustomHandle<HCRYPTHASH, FreeHash>;
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using CryptKey = CustomHandle<HCRYPTKEY, FreeKey>;
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/* ------------------------------------------------------------------------ */
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template<typename T> class LocalPtr {
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T *ptr = nullptr;
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public:
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inline ~LocalPtr()
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{
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if (ptr)
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LocalFree(ptr);
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}
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inline T **operator&() {return &ptr;}
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inline operator T() const {return ptr;}
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inline T *get() const {return ptr;}
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inline bool operator!() const {return !ptr;}
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inline T *operator->() {return ptr;}
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};
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/* ------------------------------------------------------------------------ */
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class Json {
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json_t *json;
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public:
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inline Json() : json(nullptr) {}
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explicit inline Json(json_t *json_) : json(json_) {}
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inline Json(const Json &from) : json(json_incref(from.json)) {}
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inline Json(Json &&from) : json(from.json) {from.json = nullptr;}
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inline ~Json() {
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if (json)
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json_decref(json);
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}
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inline Json &operator=(json_t *json_)
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{
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if (json)
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json_decref(json);
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json = json_;
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return *this;
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}
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inline Json &operator=(const Json &from)
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{
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if (json)
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json_decref(json);
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json = json_incref(from.json);
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return *this;
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}
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inline Json &operator=(Json &&from)
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{
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if (json)
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json_decref(json);
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json = from.json;
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from.json = nullptr;
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return *this;
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}
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inline operator json_t *() const {return json;}
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inline bool operator!() const {return !json;}
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inline const char *GetString(const char *name,
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const char *def = nullptr) const
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{
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json_t *obj(json_object_get(json, name));
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if (!obj)
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return def;
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return json_string_value(obj);
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}
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inline int64_t GetInt(const char *name, int def = 0) const
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{
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json_t *obj(json_object_get(json, name));
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if (!obj)
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return def;
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return json_integer_value(obj);
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}
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inline json_t *GetObject(const char *name) const
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{
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return json_object_get(json, name);
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}
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inline json_t *get() const {return json;}
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};
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/* ------------------------------------------------------------------------ */
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std::string vstrprintf(const char *format, va_list args);
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std::string strprintf(const char *format, ...);
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