Files
lancet/fileutil/file_windows.go

84 lines
2.3 KiB
Go

//go:build windows
package fileutil
import (
"fmt"
"syscall"
"unsafe"
)
// tagVS_FIXEDFILEINFO 参考结构体https://learn.microsoft.com/zh-cn/windows/win32/api/verrsrc/ns-verrsrc-vs_fixedfileinfo
type tagVS_FIXEDFILEINFO struct {
Signature uint32
StructVersion uint32
FileVersionMS uint32
FileVersionLS uint32
ProductVersionMS uint32
ProductVersionLS uint32
FileFlagsMask uint32
FileFlags uint32
FileOS uint32
FileType uint32
FileSubtype uint32
FileDateMS uint32
FileDateLS uint32
}
// GetExeOrDllVersion get the version of exe or dll file on windows.
// Play: todo
func GetExeOrDllVersion(filePath string) (string, error) {
// 加载系统dll
versionDLL := syscall.NewLazyDLL("version.dll")
getFileVersionInfoSize := versionDLL.NewProc("GetFileVersionInfoSizeW")
getFileVersionInfo := versionDLL.NewProc("GetFileVersionInfoW")
verQueryValue := versionDLL.NewProc("VerQueryValueW")
// 转换路径为UTF-16
filePathPtr, err := syscall.UTF16PtrFromString(filePath)
if err != nil {
return "", fmt.Errorf("unable to convert file path to UTF-16: %w", err)
}
// 获取version信息大小
size, _, err := getFileVersionInfoSize.Call(
uintptr(unsafe.Pointer(filePathPtr)),
0,
)
if size == 0 {
return "", fmt.Errorf("unable to obtain version information size: %v", err)
}
// 加载version信息
data := make([]byte, size)
ret, _, err := getFileVersionInfo.Call(uintptr(unsafe.Pointer(filePathPtr)), 0, size, uintptr(unsafe.Pointer(&data[0])))
if ret == 0 {
return "", fmt.Errorf("unable to obtain version information: %v", err)
}
// 查询version信息
var fixedInfo *tagVS_FIXEDFILEINFO
var fixedInfoLen uint32
u16, err := syscall.UTF16PtrFromString(`\`)
if err != nil {
return "", fmt.Errorf("unable to convert file path to UTF-16: %w", err)
}
ret, _, err = verQueryValue.Call(
uintptr(unsafe.Pointer(&data[0])),
uintptr(unsafe.Pointer(u16)),
uintptr(unsafe.Pointer(&fixedInfo)),
uintptr(unsafe.Pointer(&fixedInfoLen)),
)
if ret == 0 {
return "", fmt.Errorf("unable to query version information: %v", err)
}
// 转换结构体
major := fixedInfo.FileVersionMS >> 16
minor := fixedInfo.FileVersionMS & 0xFFFF
build := fixedInfo.FileVersionLS >> 16
revision := fixedInfo.FileVersionLS & 0xFFFF
return fmt.Sprintf("%d.%d.%d.%d", major, minor, build, revision), nil
}