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Embed installer .jar within exe's resources #15
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d1cd1ad
Embed installer in .exe's resources
modmuss50 81779ec
Fix line endings?
modmuss50 088af5c
More ending fixes
modmuss50 8ee8142
Update src/Bootstrap.cpp
modmuss50 b3bfa2d
Update src/main.cpp
modmuss50 7b86a5d
Update packager/packager.cpp
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| * text=auto eol=lf | ||
| *.bat text eol=crlf |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| /* | ||
|
|
||
| !.gitignore | ||
| !*.cpp | ||
| !*.h | ||
| !*.sln | ||
| !*.vcxproj | ||
| !*.filters | ||
| !packages.config |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| #include <print> | ||
| #include <filesystem> | ||
| #include <fstream> | ||
| #include <wil/resource.h> | ||
| #include <Windows.h> | ||
|
|
||
| namespace { | ||
| constexpr auto IDI_EMBEDDED_JAR = 201; | ||
|
|
||
| std::vector<char> readFile(const std::filesystem::path& path) { | ||
| wil::unique_hfile file{ | ||
| ::CreateFileW( | ||
| path.c_str(), | ||
| GENERIC_READ, | ||
| FILE_SHARE_READ, | ||
| nullptr, | ||
| OPEN_EXISTING, | ||
| FILE_ATTRIBUTE_NORMAL, | ||
| nullptr | ||
| ) | ||
| }; | ||
| THROW_LAST_ERROR_IF_MSG(!file, "CreateFileW"); | ||
|
|
||
| LARGE_INTEGER fileSize{}; | ||
| THROW_LAST_ERROR_IF(::GetFileSizeEx(file.get(), &fileSize) == 0); | ||
| THROW_WIN32_IF(ERROR_FILE_TOO_LARGE, fileSize.QuadPart > SIZE_MAX); | ||
|
|
||
| std::vector<char> buffer(static_cast<size_t>(fileSize.QuadPart)); | ||
| DWORD bytesRead = 0; | ||
| THROW_LAST_ERROR_IF(!::ReadFile(file.get(), buffer.data(), static_cast<DWORD>(buffer.size()), &bytesRead, nullptr)); | ||
| THROW_WIN32_IF(ERROR_HANDLE_EOF, bytesRead != buffer.size()); | ||
|
|
||
| return buffer; | ||
| } | ||
|
|
||
| void updateResource(const std::filesystem::path& exe, const std::vector<char>& data, WORD resourceId) { | ||
| HANDLE handle = THROW_LAST_ERROR_IF_NULL(::BeginUpdateResourceW(exe.c_str(), false)); | ||
|
|
||
| bool success = false; | ||
| auto _ = wil::scope_exit([&]() noexcept { ::EndUpdateResourceW(handle, !success); }); | ||
|
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||
| auto intResource{ MAKEINTRESOURCE(resourceId) }; | ||
| THROW_LAST_ERROR_IF(!::UpdateResourceW(handle, RT_RCDATA, intResource, MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL), (LPVOID)data.data(), static_cast<DWORD>(data.size()))); | ||
|
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| success = true; | ||
| } | ||
|
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| void packageInstaller(const std::filesystem::path& bootstrap, const std::filesystem::path& installer) { | ||
| THROW_WIN32_IF_MSG(ERROR_FILE_NOT_FOUND, !std::filesystem::exists(bootstrap), "Boostrap not found"); | ||
| THROW_WIN32_IF_MSG(ERROR_FILE_NOT_FOUND, !std::filesystem::exists(installer), "Installer not found"); | ||
|
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||
| auto installerBytes = readFile(installer); | ||
| updateResource(bootstrap, installerBytes, IDI_EMBEDDED_JAR); | ||
|
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| std::print("Done, {} updated to embed {}\n", bootstrap.string(), installer.string()); | ||
| } | ||
| } | ||
|
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| int wmain(int argc, wchar_t* argv[]) | ||
| { | ||
| if (argc != 3) { | ||
| std::print("Usage: packager <bootstrap_exe> <embedded_installer>\n"); | ||
| return 1; | ||
| } | ||
|
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| std::filesystem::path bootstrap{ argv[1] }; | ||
| std::filesystem::path installer{ argv[2] }; | ||
|
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| std::print("Packager: {} Installer: {}\n", bootstrap.string(), installer.string()); | ||
|
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| try { | ||
| packageInstaller(bootstrap, installer); | ||
| } | ||
| catch (const std::exception& error) { | ||
| std::print("Packager failed: {}\n", error.what()); | ||
| throw; | ||
| } | ||
|
|
||
| return 0; | ||
| } | ||
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The resource ID constant IDI_EMBEDDED_JAR is duplicated. It should be defined in the shared resource.h file and included here to avoid magic numbers and maintain consistency.