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4.4 KiB

package main
import (
"bytes"
"crypto/md5"
"crypto/sha1"
"crypto/sha256"
"crypto/sha512"
"flag"
"fmt"
"golang.org/x/crypto/sha3"
"hash"
"io"
"io/ioutil"
"os"
"path/filepath"
"runtime"
"sort"
"strings"
)
var (
args []string
author bool
install string
)
var typeList = []string{
"md5sum",
"sha1sum",
"sha256sum",
"sha512sum",
"sha3sum224",
"sha3sum256",
"sha3sum384",
"sha3sum512",
}
func init() {
flag.BoolVar(&author, "author", false, "")
flag.StringVar(&install, "install", "", "")
flag.Parse()
args = flag.Args()
}
func main() {
if author {
AuthorInformation()
return
}
if "" != install {
InstallShortcut(install)
return
}
fileName := GetFileName()
hashIndex := InArray(fileName, typeList)
if -1 == hashIndex {
if 0 == len(args) {
return
}
hashType := args[0]
hashIndex = InArray(hashType, typeList)
if -1 == hashIndex {
return
}
args = args[1:]
}
if 0 == len(args) {
stdinBytes, _ := ioutil.ReadAll(os.Stdin)
fmt.Println(StrHash(typeList[hashIndex], bytes.TrimSpace(stdinBytes)))
return
}
hashFileList := GetFileList(args)
for _, hashFile := range hashFileList {
FileHash(typeList[hashIndex], hashFile)
}
}
func InArray(value interface{}, array interface{}) int {
switch array.(type) {
case []string:
for k, v := range array.([]string) {
if v == value.(string) {
return k
}
}
}
return -1
}
func StrHash(hashType string, hashData []byte) string {
var sum interface{}
switch hashType {
case "md5sum":
sum = md5.Sum(hashData)
case "sha1sum":
sum = sha1.Sum(hashData)
case "sha256sum":
sum = sha256.Sum256(hashData)
case "sha512sum":
sum = sha512.Sum512(hashData)
case "sha3sum224":
sum = sha3.Sum224(hashData)
case "sha3sum256":
sum = sha3.Sum256(hashData)
case "sha3sum384":
sum = sha3.Sum384(hashData)
case "sha3sum512":
sum = sha3.Sum512(hashData)
}
return fmt.Sprintf("%x", sum)
}
func FileHash(hashType string, hashFile string) {
success := "%x %s"
fileOpen, err := os.Open(hashFile)
if err != nil {
return
}
defer func() {
_ = fileOpen.Close()
}()
fileStat, err := fileOpen.Stat()
if err != nil || fileStat.IsDir() {
return
}
readBytes := make([]byte, 8192)
var hashHandle interface{}
switch hashType {
case "md5sum":
hashHandle = md5.New()
case "sha1sum":
hashHandle = sha1.New()
case "sha256sum":
hashHandle = sha256.New()
case "sha512sum":
hashHandle = sha512.New()
case "sha3sum224":
hashHandle = sha3.New224()
case "sha3sum256":
hashHandle = sha3.New256()
case "sha3sum384":
hashHandle = sha3.New384()
case "sha3sum512":
hashHandle = sha3.New512()
}
for {
n, err := fileOpen.Read(readBytes)
if err != nil {
if err == io.EOF && n > 0 {
hashHandle.(hash.Hash).Write(readBytes[:n])
}
break
}
hashHandle.(hash.Hash).Write(readBytes[:n])
}
fmt.Println(fmt.Sprintf(success, hashHandle.(hash.Hash).Sum(nil), hashFile))
}
func GetFileName() string {
filePath, _ := os.Executable()
fileName := filepath.Base(filePath)
fileName = strings.TrimSuffix(fileName, filepath.Ext(fileName))
return fileName
}
func GetFileList(args []string) (fileList []string) {
var tempList []string
for _, v := range args {
globList, _ := filepath.Glob(v)
tempList = append(tempList, globList...)
}
sort.Strings(tempList)
for i := 0; i < len(tempList); i++ {
if i > 0 && tempList[i] == tempList[i-1] {
continue
}
fileList = append(fileList, tempList[i])
}
return
}
func InstallShortcut(dst string) {
execPath, err := os.Executable()
if err != nil {
return
}
filePath, err := filepath.Abs(dst)
if err != nil {
return
}
fileStat, err := os.Stat(filePath)
if err != nil || !fileStat.IsDir() {
return
}
osPathSeparator := string(os.PathSeparator)
if !strings.HasSuffix(filePath, osPathSeparator) {
filePath += osPathSeparator
}
for i := 0; i < len(typeList); i++ {
symlinkPath := filePath + typeList[i]
if "windows" == runtime.GOOS {
symlinkPath += ".exe"
}
err := os.Link(execPath, symlinkPath)
if err != nil {
fmt.Printf("为 %s\t<<===>>\t%s 创建链接错误\n", symlinkPath, execPath)
} else {
fmt.Printf("为 %s\t<<===>>\t%s 创建了硬链接\n", symlinkPath, execPath)
}
}
}
func AuthorInformation() {
fmt.Println("welcome to our website https://aite.xyz/")
fmt.Println("----------------------------------------")
fmt.Println("腾讯扣扣:88966001")
fmt.Println("电子邮箱:xiaoqidun@gmail.com")
fmt.Println("----------------------------------------")
}