mirror of
https://github.com/Minecraft-Community-Edition/client.git
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109 lines
3.6 KiB
C++
109 lines
3.6 KiB
C++
/**
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* Windows64: fetch store files from localhost (Minecraft Store recreation server).
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* Replaces the TMSPP_ReadFile stub so the client loads DLC catalog from http://127.0.0.1:3000
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*/
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#include "stdafx.h"
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#ifdef _WINDOWS64
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#include <vector>
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#include <winhttp.h>
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#pragma comment(lib, "winhttp.lib")
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#include "..\Common\Consoles_App.h"
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#ifndef STORE_SERVER_PORT
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#define STORE_SERVER_PORT 3000
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#endif
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#include "Windows64\4JLibs\inc\4J_Storage.h"
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#pragma comment(linker, "/FORCE:MULTIPLE")
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static bool HttpGetStoreFile(const char* szFilename, BYTE** ppOutData, DWORD* pdwSize)
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{
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*ppOutData = NULL;
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*pdwSize = 0;
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WCHAR wzHost[] = L"127.0.0.1";
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WCHAR wzPath[512];
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_snwprintf_s(wzPath, _countof(wzPath), _TRUNCATE, L"/store/file/%S", szFilename ? szFilename : "");
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HINTERNET hSession = WinHttpOpen(L"Minecraft/1.0", WINHTTP_ACCESS_TYPE_DEFAULT_PROXY, WINHTTP_NO_PROXY_NAME, WINHTTP_NO_PROXY_BYPASS, 0);
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if (!hSession) return false;
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HINTERNET hConnect = WinHttpConnect(hSession, wzHost, STORE_SERVER_PORT, 0);
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if (!hConnect) { WinHttpCloseHandle(hSession); return false; }
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HINTERNET hRequest = WinHttpOpenRequest(hConnect, L"GET", wzPath, NULL, WINHTTP_NO_REFERER, WINHTTP_DEFAULT_ACCEPT_TYPES, 0);
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if (!hRequest) { WinHttpCloseHandle(hConnect); WinHttpCloseHandle(hSession); return false; }
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BOOL bSent = WinHttpSendRequest(hRequest, WINHTTP_NO_ADDITIONAL_HEADERS, 0, WINHTTP_NO_REQUEST_DATA, 0, 0, 0);
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if (!bSent) { WinHttpCloseHandle(hRequest); WinHttpCloseHandle(hConnect); WinHttpCloseHandle(hSession); return false; }
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BOOL bReceived = WinHttpReceiveResponse(hRequest, NULL);
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if (!bReceived) { WinHttpCloseHandle(hRequest); WinHttpCloseHandle(hConnect); WinHttpCloseHandle(hSession); return false; }
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DWORD dwStatusCode = 0;
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DWORD dwSizeLen = sizeof(dwStatusCode);
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WinHttpQueryHeaders(hRequest, WINHTTP_QUERY_STATUS_CODE | WINHTTP_QUERY_FLAG_NUMBER, WINHTTP_HEADER_NAME_BY_INDEX, &dwStatusCode, &dwSizeLen, WINHTTP_NO_HEADER_INDEX);
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if (dwStatusCode != 200) { WinHttpCloseHandle(hRequest); WinHttpCloseHandle(hConnect); WinHttpCloseHandle(hSession); return false; }
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std::vector<BYTE> buf;
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DWORD dwDownloaded = 0;
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do {
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DWORD dwAvailable = 0;
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if (!WinHttpQueryDataAvailable(hRequest, &dwAvailable) || dwAvailable == 0) break;
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size_t oldSize = buf.size();
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buf.resize(oldSize + dwAvailable);
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if (!WinHttpReadData(hRequest, &buf[oldSize], dwAvailable, &dwDownloaded)) break;
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if (dwDownloaded < dwAvailable) buf.resize(oldSize + dwDownloaded);
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} while (dwDownloaded > 0);
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WinHttpCloseHandle(hRequest);
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WinHttpCloseHandle(hConnect);
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WinHttpCloseHandle(hSession);
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if (buf.empty()) return false;
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DWORD dwTotalSize = (DWORD)buf.size();
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BYTE* pData = new BYTE[dwTotalSize];
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memcpy(pData, buf.data(), dwTotalSize);
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*ppOutData = pData;
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*pdwSize = dwTotalSize;
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return true;
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}
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C4JStorage::ETMSStatus C4JStorage::TMSPP_ReadFile(
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int iPad,
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C4JStorage::eGlobalStorage eStorageFacility,
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C4JStorage::eTMS_FILETYPEVAL eFileTypeVal,
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LPCSTR szFilename,
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int(*Func)(LPVOID, int, int, C4JStorage::PTMSPP_FILEDATA, LPCSTR),
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LPVOID lpParam,
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int iUserData)
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{
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BYTE* pData = NULL;
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DWORD dwSize = 0;
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if (!HttpGetStoreFile(szFilename, &pData, &dwSize))
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{
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// Fire callback with failure (NULL data signals error to caller)
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if (Func)
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Func(lpParam, iPad, iUserData, NULL, szFilename);
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return C4JStorage::ETMSStatus_Fail;
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}
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// Build the TMSPP_FILEDATA the callback expects
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C4JStorage::TMSPP_FILEDATA fileData;
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fileData.pbData = pData;
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fileData.dwSize = dwSize;
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if (Func)
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Func(lpParam, iPad, iUserData, &fileData, szFilename);
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delete[] pData;
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return C4JStorage::ETMSStatus_Pending;
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}
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#endif // _WINDOWS64
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