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GUI.go
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GUI.go
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package main
import (
"crypto/rand"
"crypto/rsa"
"crypto/x509"
"encoding/pem"
"errors"
"fmt"
"log"
"math/big"
"os"
"strconv"
"strings"
"time"
"github.com/andlabs/ui"
_ "github.com/andlabs/ui/winmanifest"
"github.com/atotto/clipboard"
"github.com/syndtr/goleveldb/leveldb"
"gopkg.in/toast.v1"
)
var mainwin *ui.Window
func makeBasicControlsPage() ui.Control {
vbox := ui.NewVerticalBox()
vbox.SetPadded(true)
hbox := ui.NewHorizontalBox()
hbox.SetPadded(true)
vbox.Append(hbox, false)
vbox.Append(ui.NewHorizontalSeparator(), false)
dateNow := time.Now()
vbox.Append(ui.NewLabel("当前日期:"+dateNow.Format("2006-01-02 Mon")), false)
vbox.Append(ui.NewHorizontalSeparator(), false)
group := ui.NewGroup("信息填写")
group.SetMargined(true)
vbox.Append(group, true)
group.SetChild(ui.NewNonWrappingMultilineEntry())
entryForm := ui.NewForm()
entryForm.SetPadded(true)
group.SetChild(entryForm)
website := ui.NewEntry()
entryForm.Append("网站地址:", website, false)
// website.OnChanged(func(*ui.Entry) {
// fmt.Println("网站地址:", website.Text())
// })
usernameOrEmail := ui.NewEntry()
entryForm.Append("用户名或邮箱:", usernameOrEmail, false)
List1 := ui.NewCombobox()
List1.Append("是")
List1.Append("否")
entryForm.Append("是否含小写字母:", List1, false)
list1Value := -1
List1.OnSelected(func(*ui.Combobox) {
list1Value = List1.Selected() //是0,否1
})
List2 := ui.NewCombobox()
List2.Append("是")
List2.Append("否")
entryForm.Append("是否含大写字母:", List2, false)
list2Value := -1
List2.OnSelected(func(*ui.Combobox) {
list2Value = List2.Selected() //是0,否1
})
List3 := ui.NewCombobox()
List3.Append("是")
List3.Append("否")
entryForm.Append("是否含数字:", List3, false)
list3Value := -1
List3.OnSelected(func(*ui.Combobox) {
list3Value = List3.Selected() //是0,否1
})
List4 := ui.NewCombobox()
List4.Append("是")
List4.Append("否")
entryForm.Append("是否含特殊字符:", List4, false)
list4Value := -1
List4.OnSelected(func(*ui.Combobox) {
list4Value = List4.Selected() //是0,否1
})
slider := ui.NewSlider(6, 32)
slider.OnChanged(func(*ui.Slider) {
slider.SetValue(slider.Value())
})
entryForm.Append("密码总长度:", slider, false)
submit := ui.NewButton("生成密码")
submit.OnClicked(func(*ui.Button) {
slidervalue := slider.Value()
websiteValue := website.Text()
usernameOrEmailValue := usernameOrEmail.Text()
res := InsertKV2DB(websiteValue, usernameOrEmailValue, list1Value, list2Value, list3Value, list4Value, slidervalue)
passResEntry := ui.NewEntry()
passResEntry.SetText(res)
vbox.Append(ui.NewLabel("生成的密码为:"), false)
vbox.Append(passResEntry, false)
})
vbox.Append(submit, false)
return vbox
}
// www.taobao.com:::amos
func makeNumbersPage() ui.Control {
hbox := ui.NewHorizontalBox()
hbox.SetPadded(true)
group := ui.NewGroup("密码查找")
group.SetMargined(true)
hbox.Append(group, true)
vbox := ui.NewVerticalBox()
vbox.SetPadded(true)
group.SetChild(vbox)
entryForm := ui.NewForm()
entryForm.SetPadded(true)
vbox.Append(ui.NewLabel("输入要查找的目标网站和用户"), false)
urlsearchEntry := ui.NewEntry()
entryForm.Append("请输入目标网站:", urlsearchEntry, false)
usernamesearchEntry := ui.NewEntry()
entryForm.Append("请输入账户名或邮箱:", usernamesearchEntry, false)
vbox.Append(entryForm, false)
find := ui.NewButton("密码查找")
find.OnClicked(func(*ui.Button) {
user := usernamesearchEntry.Text()
website := urlsearchEntry.Text()
password := GetValueFromDB(website, user)
if password == "" {
password = "未找到该密码!"
fmt.Println("未找到该密码!")
}
passLable := ui.NewLabel("↓↓↓↓↓" + user + "在" + website + "上的密码为↓↓↓↓↓")
passResEntry := ui.NewEntry()
passResEntry.SetText(password)
entryForm.Append("", passLable, false)
entryForm.Append("", passResEntry, false)
notification := toast.Notification{
AppID: "Password Manager",
Title: "Your Password",
Message: "Your Password is: " + "**********",
Icon: "D:\\toast\\gopher.png", // This file must exist (remove this line if it doesn't)
Actions: []toast.Action{
{Type: "protocol", Label: "Copy the Password", Arguments: ""},
{Type: "protocol", Label: "Later", Arguments: ""},
},
Duration: toast.Long,
}
err := notification.Push()
if err != nil {
log.Fatalln(err)
}
// 复制内容到剪切板
errClipboard := clipboard.WriteAll(password)
if errClipboard != nil {
return
}
fmt.Println("got it!") //拿到了slider的值
})
vbox.Append(find, false)
// 一直滚动的滚动条
// ip := ui.NewProgressBar()
// ip.SetValue(-1)
// vbox.Append(ip, false)
group = ui.NewGroup("密码弃用")
group.SetMargined(true)
hbox.Append(group, true)
vbox = ui.NewVerticalBox()
vbox.SetPadded(true)
group.SetChild(vbox)
vbox.Append(ui.NewLabel("输入要弃用的目标"), false)
entryFormDiscard := ui.NewForm()
entryFormDiscard.SetPadded(true)
urlsearchEntryDiscard := ui.NewEntry()
entryFormDiscard.Append("请输入目标网站:", urlsearchEntryDiscard, false)
usernamesearchEntryDisacrd := ui.NewEntry()
entryFormDiscard.Append("请输入账户名或邮箱:", usernamesearchEntryDisacrd, false)
vbox.Append(entryFormDiscard, false)
sureButton := ui.NewRadioButtons()
sureButton.Append("确认")
var sure int
sureButton.OnSelected(func(*ui.RadioButtons) {
//点击了按钮干什么
sure = sureButton.Selected() //选中输出的是0
fmt.Println(sure)
})
vbox.Append(sureButton, false)
discardButton := ui.NewButton("弃用密码")
discardButton.OnClicked(func(*ui.Button) {
urldiscard := urlsearchEntryDiscard.Text()
usernamediscard := usernamesearchEntryDisacrd.Text()
if sure == 0 {
key := mergeTwoString(urldiscard, usernamediscard)
isdicard := DelKeyAndValue(key)
if isdicard {
vbox.Append(ui.NewLabel("密码弃用成功!"), false)
} else {
vbox.Append(ui.NewLabel("你要弃用的密码不存在,可能其已经被弃用!"), false)
}
} else {
vbox.Append(ui.NewLabel("请确认你的操作!"), false)
}
})
vbox.Append(discardButton, false)
return hbox
}
func setupUI() {
mainwin = ui.NewWindow("PasswordManger", 500*2, 480, true)
mainwin.OnClosing(func(*ui.Window) bool {
ui.Quit()
return true
})
ui.OnShouldQuit(func() bool {
mainwin.Destroy()
return true
})
tab := ui.NewTab()
mainwin.SetChild(tab)
mainwin.SetMargined(true)
tab.Append("密码生成", makeBasicControlsPage())
tab.SetMargined(0, true)
tab.Append("密码管理", makeNumbersPage())
tab.SetMargined(1, true)
mainwin.Show()
}
var DB *leveldb.DB
// TimeStamp 截取时间戳后8位作为文件名
var TimeStamp string
var (
PRIVATEFILE string
PUBLICFILE string
)
func SetDirAndFileName() {
TimeStamp = strconv.FormatInt(time.Now().Unix(), 10)[:8]
PRIVATEFILE = "myRSA/privateKey.pem"
PUBLICFILE = "myRSA/publicKey.pem"
}
func main() {
SetDirAndFileName() //初始化公钥私钥文件名
fmt.Println("TimeStamp:", TimeStamp)
//var err error
// bits, err := strconv.Atoi(TimeStamp)
// if err != nil {
// panic(err)
// }
//判断公私钥文件是否存在
err := os.Mkdir("./myRSA", os.ModePerm)
if err == nil {
fmt.Println(err)
errGenerateKeyFile := GenerateKeyFile(4096)
if errGenerateKeyFile != nil {
fmt.Println(errGenerateKeyFile)
panic(errGenerateKeyFile)
}
//return err
}
//生成公钥私钥
var err2 error
DB, err2 = leveldb.OpenFile("db", nil)
if err2 != nil {
fmt.Println("levelDB打开失败, err:", err2)
panic(err2)
}
defer func(DB *leveldb.DB) {
err := DB.Close()
if err != nil {
}
}(DB)
errUiMain := ui.Main(setupUI)
if errUiMain != nil {
return
}
}
// Service.go
// ********************************************************************************
func mergeTwoString(a, b string) string {
return a + ":::" + b
}
func generatePassword(isInLower, isInUpper, isInNumber, isInSpecial, sliderValue int) string {
//0001
if isInLower == 0 && isInUpper == 0 && isInNumber == 0 && isInSpecial == 1 {
excludeSpecialGenerator, err := New(&ExcludeSymbolsConfig)
if err != nil {
panic(err)
}
passwordByExcludeSpecial, err2 := excludeSpecialGenerator.GenerateWithWeek(sliderValue)
if err2 != nil {
panic(err2)
}
return passwordByExcludeSpecial
}
if isInLower == 0 && isInUpper == 0 && isInNumber == 1 && isInSpecial == 0 {
excludeNumberGenerator, err := New(&ExcludeNumbersConfig)
if err != nil {
panic(err)
}
passwordByExcludeNumber, err2 := excludeNumberGenerator.GenerateWithWeek(sliderValue)
if err2 != nil {
panic(err2)
}
return passwordByExcludeNumber
}
//0011
if isInLower == 0 && isInUpper == 0 && isInNumber == 1 && isInSpecial == 1 {
excludeNumberAndSpecialGenerator, err := New(&ExcludeSymbolsNumbersConfig)
if err != nil {
panic(err)
}
passwordByExcludeNumberAndSpecial, err2 := excludeNumberAndSpecialGenerator.GenerateWithWeek(sliderValue)
if err2 != nil {
panic(err2)
}
return passwordByExcludeNumberAndSpecial
}
//0100
if isInLower == 0 && isInUpper == 1 && isInNumber == 0 && isInSpecial == 0 {
excludeUpperGenerator, err := New(&ExcludeUppercaseConfig)
if err != nil {
panic(err)
}
passwordByExcludeUpper, err2 := excludeUpperGenerator.GenerateWithWeek(sliderValue)
if err2 != nil {
panic(err2)
}
return passwordByExcludeUpper
}
//0101
if isInLower == 0 && isInUpper == 1 && isInNumber == 0 && isInSpecial == 1 {
excludeUpperAndSpecialGenerator, err := New(&ExcludeSymbolsUppercaseConfig)
if err != nil {
panic(err)
}
passwordByExcludeUpperAndSpecial, err2 := excludeUpperAndSpecialGenerator.GenerateWithWeek(sliderValue)
if err2 != nil {
panic(err2)
}
return passwordByExcludeUpperAndSpecial
}
//0110
if isInLower == 0 && isInUpper == 1 && isInNumber == 1 && isInSpecial == 0 {
excludeUpperAndNumberGenerator, err := New(&ExcludeNumbersUppercaseConfig)
if err != nil {
panic(err)
}
passwordByExcludeUpperAndNumber, err2 := excludeUpperAndNumberGenerator.GenerateWithWeek(sliderValue)
if err2 != nil {
panic(err2)
}
return passwordByExcludeUpperAndNumber
}
//0111
if isInLower == 0 && isInUpper == 1 && isInNumber == 1 && isInSpecial == 1 {
excludeUpperAndNumberAndSpecialGenerator, err := New(&ExcludeSymbolsNumbersUppercaseConfig)
if err != nil {
panic(err)
}
passwordByExcludeUpperAndNumberAndSpecial, err2 := excludeUpperAndNumberAndSpecialGenerator.GenerateWithWeek(sliderValue)
if err2 != nil {
panic(err2)
}
return passwordByExcludeUpperAndNumberAndSpecial
}
//1000
if isInLower == 1 && isInUpper == 0 && isInNumber == 0 && isInSpecial == 0 {
excludeLowerGenerator, err := New(&ExcludeLowercaseConfig)
if err != nil {
panic(err)
}
passwordByExcludeLower, err2 := excludeLowerGenerator.GenerateWithWeek(sliderValue)
if err2 != nil {
panic(err2)
}
return passwordByExcludeLower
}
//1001
if isInLower == 1 && isInUpper == 0 && isInNumber == 0 && isInSpecial == 1 {
excludeLowerAndSpecialGenerator, err := New(&ExcludeSymbolsLowercaseConfig)
if err != nil {
panic(err)
}
passwordByExcludeLowerAndSpecial, err2 := excludeLowerAndSpecialGenerator.GenerateWithWeek(sliderValue)
if err2 != nil {
panic(err2)
}
return passwordByExcludeLowerAndSpecial
}
//1010
if isInLower == 1 && isInUpper == 0 && isInNumber == 1 && isInSpecial == 0 {
excludeLowerAndNumberGenerator, err := New(&ExcludeNumbersLowercaseConfig)
if err != nil {
panic(err)
}
passwordByExcludeLowerAndNumber, err2 := excludeLowerAndNumberGenerator.GenerateWithWeek(sliderValue)
if err2 != nil {
panic(err2)
}
return passwordByExcludeLowerAndNumber
}
//1011
if isInLower == 1 && isInUpper == 0 && isInNumber == 1 && isInSpecial == 1 {
excludeLowerAndNumberAndSpecialGenerator, err := New(&ExcludeSymbolsNumbersLowercaseConfig)
if err != nil {
panic(err)
}
passwordByExcludeLowerAndNumberAndSpecial, err2 := excludeLowerAndNumberAndSpecialGenerator.GenerateWithWeek(sliderValue)
if err2 != nil {
panic(err2)
}
return passwordByExcludeLowerAndNumberAndSpecial
}
//1100
if isInLower == 1 && isInUpper == 1 && isInNumber == 0 && isInSpecial == 0 {
excludeLowerAndUpperGenerator, err := New(&ExcludeLowercaseUppercaseConfig)
if err != nil {
panic(err)
}
passwordByExcludeLowerAndUpper, err2 := excludeLowerAndUpperGenerator.GenerateWithWeek(sliderValue)
if err2 != nil {
panic(err2)
}
return passwordByExcludeLowerAndUpper
}
//1101
if isInLower == 1 && isInUpper == 1 && isInNumber == 0 && isInSpecial == 1 {
excludeLowerAndUpperAndSpecialGenerator, err := New(&ExcludeSymbolsLowercaseUppercaseConfig)
if err != nil {
panic(err)
}
passwordByExcludeLowerAndUpperAndSpecial, err2 := excludeLowerAndUpperAndSpecialGenerator.GenerateWithWeek(sliderValue)
if err2 != nil {
panic(err2)
}
return passwordByExcludeLowerAndUpperAndSpecial
}
//1110
if isInLower == 1 && isInUpper == 1 && isInNumber == 1 && isInSpecial == 0 {
excludeLowerAndUpperAndNumberGenerator, err := New(&ExcludeNumbersLowercaseUppercaseConfig)
if err != nil {
panic(err)
}
passwordByExcludeLowerAndUpperAndNumber, err2 := excludeLowerAndUpperAndNumberGenerator.GenerateWithWeek(sliderValue)
if err2 != nil {
panic(err2)
}
return passwordByExcludeLowerAndUpperAndNumber
}
//1111
if isInLower == 1 && isInUpper == 1 && isInNumber == 1 && isInSpecial == 1 {
return "密码规则过于简单"
}
defaultGenerator, err := New(&DefaultConfig)
if err != nil {
panic(err)
}
passwordByDefaultGenerator, generErro := defaultGenerator.GenerateWithWeek(sliderValue)
if generErro != nil {
panic(generErro)
}
return passwordByDefaultGenerator
}
func encipherByRSA(str string) []byte {
//公钥加密
encryptBytes, err := LockWithPublicKey([]byte(str), PUBLICFILE)
if err != nil {
fmt.Println(err)
}
return encryptBytes
}
func decipherByRSA(str string) string {
//私钥解密
decryptBytes, err := UnlockWithPrivateKey([]byte(str), PRIVATEFILE)
if err != nil {
fmt.Println(err)
}
return string(decryptBytes)
}
func InsertKV2DB(website, username string, isInLower, isInUpper, isInNumber, isInSpecial, sliderValue int) string {
orinPass := generatePassword(isInLower, isInUpper, isInNumber, isInSpecial, sliderValue)
encryptPass := encipherByRSA(orinPass)
Key := mergeTwoString(website, username)
flag := SetKeyAndValue(Key, encryptPass)
if flag {
return orinPass
} else {
return "密码插入失败!"
}
}
func GetValueFromDB(website, username string) string {
Key := mergeTwoString(website, username)
encryptPass, isGetSuccess := GetValueByKey(Key)
if !isGetSuccess {
return ""
}
decryptPass := decipherByRSA(encryptPass)
return decryptPass
}
//********************************************************************************
//*********************************密码生成***************************************
// 默认配置常量
const (
LengthStrong int = 24
DefaultLetterSet = "abcdefghijklmnopqrstuvwxyz"
DefaultNumberSet = "0123456789"
DefaultSymbolSet = "!$%^&*()_+{}:@[];'#<>?,./|\\-=?"
)
var (
// DefaultConfig 默认配置 全true配置
//0000
DefaultConfig = Config{
Length: LengthStrong,
IncludeSymbols: true, //包含特殊符号
IncludeNumbers: true, //包含小写字母
IncludeLowercaseLetters: true, //包含小写字母
IncludeUppercaseLetters: true, //包含大写字母
ExcludeSimilarCharacters: true, //排除相似字符
ExcludeAmbiguousCharacters: true, //排除连续的字符
}
// ExcludeSymbolsConfig 0001
ExcludeSymbolsConfig = Config{
Length: LengthStrong,
IncludeSymbols: false, //包含特殊符号
IncludeNumbers: true, //包含小写字母
IncludeLowercaseLetters: true, //包含小写字母
IncludeUppercaseLetters: true, //包含大写字母
ExcludeSimilarCharacters: true, //排除相似字符
ExcludeAmbiguousCharacters: true, //排除连续的字符
}
// ExcludeUppercaseConfig 0001
ExcludeUppercaseConfig = Config{
Length: LengthStrong,
IncludeSymbols: true, //包含特殊符号
IncludeNumbers: true, //包含小写字母
IncludeLowercaseLetters: true, //包含小写字母
IncludeUppercaseLetters: false, //包含大写字母
ExcludeSimilarCharacters: true, //排除相似字符
ExcludeAmbiguousCharacters: true, //排除连续的字符
}
// ExcludeLowercaseConfig 0010
ExcludeLowercaseConfig = Config{
Length: LengthStrong,
IncludeSymbols: true, //包含特殊符号
IncludeNumbers: true, //包含小写字母
IncludeLowercaseLetters: false, //包含小写字母
IncludeUppercaseLetters: true, //包含大写字母
ExcludeSimilarCharacters: true, //排除相似字符
ExcludeAmbiguousCharacters: true, //排除连续的字符
}
// ExcludeLowercaseUppercaseConfig 0011
ExcludeLowercaseUppercaseConfig = Config{
Length: LengthStrong,
IncludeSymbols: true, //包含特殊符号
IncludeNumbers: true, //包含小写字母
IncludeLowercaseLetters: false, //包含小写字母
IncludeUppercaseLetters: false, //包含大写字母
ExcludeSimilarCharacters: true, //排除相似字符
ExcludeAmbiguousCharacters: true, //排除连续的字符
}
// ExcludeNumbersConfig 0100
ExcludeNumbersConfig = Config{
Length: LengthStrong,
IncludeSymbols: true, //包含特殊符号
IncludeNumbers: false, //包含小写字母
IncludeLowercaseLetters: true, //包含小写字母
IncludeUppercaseLetters: true, //包含大写字母
ExcludeSimilarCharacters: true, //排除相似字符
ExcludeAmbiguousCharacters: true, //排除连续的字符
}
// ExcludeNumbersUppercaseConfig 0101
ExcludeNumbersUppercaseConfig = Config{
Length: LengthStrong,
IncludeSymbols: true, //包含特殊符号
IncludeNumbers: false, //包含小写字母
IncludeLowercaseLetters: true, //包含小写字母
IncludeUppercaseLetters: false, //包含大写字母
ExcludeSimilarCharacters: true, //排除相似字符
ExcludeAmbiguousCharacters: true, //排除连续的字符
}
// ExcludeNumbersLowercaseConfig 0110
ExcludeNumbersLowercaseConfig = Config{
Length: LengthStrong,
IncludeSymbols: true, //包含特殊符号
IncludeNumbers: false, //包含小写字母
IncludeLowercaseLetters: false, //包含小写字母
IncludeUppercaseLetters: true, //包含大写字母
ExcludeSimilarCharacters: true, //排除相似字符
ExcludeAmbiguousCharacters: true, //排除连续的字符
}
// ExcludeNumbersLowercaseUppercaseConfig 0111
ExcludeNumbersLowercaseUppercaseConfig = Config{
Length: LengthStrong,
IncludeSymbols: true, //包含特殊符号
IncludeNumbers: false, //包含小写字母
IncludeLowercaseLetters: false, //包含小写字母
IncludeUppercaseLetters: false, //包含大写字母
ExcludeSimilarCharacters: true, //排除相似字符
ExcludeAmbiguousCharacters: true, //排除连续的字符
}
// ExcludeSymbolsUppercaseConfig 1001
ExcludeSymbolsUppercaseConfig = Config{
Length: LengthStrong,
IncludeSymbols: false, //包含特殊符号
IncludeNumbers: true, //包含小写字母
IncludeLowercaseLetters: true, //包含小写字母
IncludeUppercaseLetters: false, //包含大写字母
ExcludeSimilarCharacters: true, //排除相似字符
ExcludeAmbiguousCharacters: true, //排除连续的字符
}
// ExcludeSymbolsLowercaseConfig 1010
ExcludeSymbolsLowercaseConfig = Config{
Length: LengthStrong,
IncludeSymbols: false, //包含特殊符号
IncludeNumbers: true, //包含小写字母
IncludeLowercaseLetters: false, //包含小写字母
IncludeUppercaseLetters: true, //包含大写字母
ExcludeSimilarCharacters: true, //排除相似字符
ExcludeAmbiguousCharacters: true, //排除连续的字符
}
// ExcludeSymbolsLowercaseUppercaseConfig 1011
ExcludeSymbolsLowercaseUppercaseConfig = Config{
Length: LengthStrong,
IncludeSymbols: false, //包含特殊符号
IncludeNumbers: true, //包含小写字母
IncludeLowercaseLetters: false, //包含小写字母
IncludeUppercaseLetters: false, //包含大写字母
ExcludeSimilarCharacters: true, //排除相似字符
ExcludeAmbiguousCharacters: true, //排除连续的字符
}
// ExcludeSymbolsNumbersConfig 1100
ExcludeSymbolsNumbersConfig = Config{
Length: LengthStrong,
IncludeSymbols: false, //包含特殊符号
IncludeNumbers: false, //包含小写字母
IncludeLowercaseLetters: true, //包含小写字母
IncludeUppercaseLetters: true, //包含大写字母
ExcludeSimilarCharacters: true, //排除相似字符
ExcludeAmbiguousCharacters: true, //排除连续的字符
}
// ExcludeSymbolsNumbersUppercaseConfig 1101
ExcludeSymbolsNumbersUppercaseConfig = Config{
Length: LengthStrong,
IncludeSymbols: false, //包含特殊符号
IncludeNumbers: false, //包含小写字母
IncludeLowercaseLetters: true, //包含小写字母
IncludeUppercaseLetters: false, //包含大写字母
ExcludeSimilarCharacters: true, //排除相似字符
ExcludeAmbiguousCharacters: true, //排除连续的字符
}
// ExcludeSymbolsNumbersLowercaseConfig 1110
ExcludeSymbolsNumbersLowercaseConfig = Config{
Length: LengthStrong,
IncludeSymbols: false, //包含特殊符号
IncludeNumbers: false, //包含小写字母
IncludeLowercaseLetters: false, //包含小写字母
IncludeUppercaseLetters: true, //包含大写字母
ExcludeSimilarCharacters: true, //排除相似字符
ExcludeAmbiguousCharacters: true, //排除连续的字符
}
ErrConfigIsEmpty = errors.New("config is empty")
)
type Generator struct {
*Config
}
type Config struct {
Length int
CharacterSet string
IncludeSymbols bool
IncludeNumbers bool
IncludeLowercaseLetters bool
IncludeUppercaseLetters bool
ExcludeSimilarCharacters bool
ExcludeAmbiguousCharacters bool
}
// New 一个密码生成器
func New(config *Config) (*Generator, error) {
if config == nil {
config = &DefaultConfig
}
if !config.IncludeSymbols &&
!config.IncludeUppercaseLetters &&
!config.IncludeLowercaseLetters &&
!config.IncludeNumbers &&
config.CharacterSet == "" {
return nil, ErrConfigIsEmpty
}
if config.Length == 0 {
config.Length = LengthStrong
}
if config.CharacterSet == "" {
config.CharacterSet = buildCharacterSet(config)
}
return &Generator{Config: config}, nil
}
func buildCharacterSet(config *Config) string {
var characterSet string
if config.IncludeLowercaseLetters {
characterSet += DefaultLetterSet
}
if config.IncludeUppercaseLetters {
characterSet += strings.ToUpper(DefaultLetterSet)
}
if config.IncludeNumbers {
characterSet += DefaultNumberSet
}
if config.IncludeSymbols {
characterSet += DefaultSymbolSet
}
return characterSet
}
func NewWithDefault() (*Generator, error) {
return New(&DefaultConfig)
}
// Generate 生成一个密码
func (g Generator) Generate() (*string, error) {
var generated string
characterSet := strings.Split(g.Config.CharacterSet, "")
max := big.NewInt(int64(len(characterSet)))
for i := 0; i < g.Config.Length; i++ {
val, err := rand.Int(rand.Reader, max)
if err != nil {
return nil, err
}
generated += characterSet[val.Int64()]
}
return &generated, nil
}
// GenerateMany 一次性生成多个密码
func (g Generator) GenerateMany(amount int) ([]string, error) {
var generated []string
for i := 0; i < amount; i++ {
str, err := g.Generate()
if err != nil {
return nil, err
}
generated = append(generated, *str)
}
return generated, nil
}
// GenerateWithLength 生成一个指定长度的密码
func (g Generator) GenerateWithLength(length int) (*string, error) {
var generated string
characterSet := strings.Split(g.Config.CharacterSet, "")
fmt.Println(characterSet)
max := big.NewInt(int64(len(characterSet)))
for i := 0; i < length; i++ {
val, err := rand.Int(rand.Reader, max)
if err != nil {
return nil, err
}
generated += characterSet[val.Int64()]
}
return &generated, nil
}
// GenerateManyWithLength 一次性生成多个指定长度的密码
func (g Generator) GenerateManyWithLength(amount, length int) ([]string, error) {
var generated []string
for i := 0; i < amount; i++ {
str, err := g.GenerateWithLength(length)
if err != nil {
return nil, err
}
generated = append(generated, *str)
}
return generated, nil
}
// GenerateWithWeek 一次性生成7个密码,然后根据星期几来从生成的密码中挑选一个
func (g Generator) GenerateWithWeek(length int) (string, error) {
amount := 7
week := time.Now().Weekday()
generatPassByWeek, err := g.GenerateManyWithLength(amount, length)
if err != nil {
return "", err
}
return generatPassByWeek[week], nil
}
// PathExists 判断所给路径文件/文件夹是否存在
func PathExists(path string) (bool, error) {
_, err := os.Stat(path)
if err == nil {
return true, nil
}
if os.IsNotExist(err) {
return false, nil
}
return false, err
}
// ******************************************RSAFile********************************************
func GenerateKeyFile(bits int) error {
existPublic, _ := PathExists("publicKey.pem")
existPrivate, _ := PathExists("privateKey.pem")
if existPublic && existPrivate {
return errors.New("公私钥文件已存在")
}
//生成私钥
//使用rsa中的GenerateKey方法生成私钥
privateKey, err := rsa.GenerateKey(rand.Reader, bits)
if err != nil {
return err
}
//通过x509标准将得到的ras私钥序列化为ASN.1的DER编码字符串
PKCS1PrivateBytes := x509.MarshalPKCS1PrivateKey(privateKey)
//将私钥字符串设置到pem格式块中
privateBlock := pem.Block{
Type: "RSA Private Key",
Bytes: PKCS1PrivateBytes,
}
//通过pem将设置好的数据进行编码,并写入磁盘文件
privateFile, err := os.Create(PRIVATEFILE)
fmt.Println("重复创建私钥文件")
if err != nil {
return err
}
defer func(privateFile *os.File) {
err := privateFile.Close()
if err != nil {
panic(err)
}
}(privateFile)
err = pem.Encode(privateFile, &privateBlock)
if err != nil {
return err
}
//生成公钥
//从得到的私钥对象中将公钥信息取出
publicKey := privateKey.PublicKey
//通过x509标准将得到的ras公钥序列化为ASN.1的DER编码字符串
PKCS1PublicBytes, err := x509.MarshalPKIXPublicKey(&publicKey)
if err != nil {
return err
}
//将公钥字符串设置到pem格式块中
publicBlock := pem.Block{
Type: "RSA Public Key",
Bytes: PKCS1PublicBytes,
}
//通过pem将设置好的数据进行编码,并写入磁盘文件
publicFile, err := os.Create(PUBLICFILE)
fmt.Println("重复创建公钥文件")
if err != nil {
return err
}
defer func(publicFile *os.File) {
err := publicFile.Close()
if err != nil {
panic(err)
}
}(publicFile)
err = pem.Encode(publicFile, &publicBlock)
if err != nil {
return err
}
return nil
}
// LockWithPublicKey 公钥加密
func LockWithPublicKey(src []byte, pubKeyFile string) ([]byte, error) {
var err error
//将公钥文件中的公钥读出,得到使用pem编码的字符串
file, err := os.Open(pubKeyFile)
if err != nil {
return nil, err
}
defer func(file *os.File) {
err := file.Close()
if err != nil {
panic(err)
}
}(file)
fileInfo, err := file.Stat()
if err != nil {
return nil, err
}
buffer := make([]byte, fileInfo.Size())
_, err = file.Read(buffer)
if err != nil {
return nil, err
}
//将得到的字符串解码
block, _ := pem.Decode(buffer)
//使用x509将编码之后的公钥解析出来
pubInner, err := x509.ParsePKIXPublicKey(block.Bytes)
if err != nil {
return nil, err
}
publicKey := pubInner.(*rsa.PublicKey)
//使用得到的公钥通过rsa进行数据加密
encryptBytes, err := rsa.EncryptPKCS1v15(rand.Reader, publicKey, src)
if err != nil {
log.Fatal("公钥加密失败")
return nil, err
}
return encryptBytes, nil
}
// UnlockWithPrivateKey 私钥解密
func UnlockWithPrivateKey(src []byte, privateKeyFile string) ([]byte, error) {
//将私钥文件中的私钥读出,得到使用pem编码的字符串
file, err := os.Open(privateKeyFile)
if err != nil {
return nil, err
}
defer func(file *os.File) {
err := file.Close()
if err != nil {
panic(err)
}
}(file)
fileInfo, err := file.Stat()
if err != nil {
return nil, err
}
size := fileInfo.Size()
buffer := make([]byte, size)
_, err = file.Read(buffer)
if err != nil {
return nil, err
}
//将得到的字符串解码
block, _ := pem.Decode(buffer)
//使用x509将编码之后的私钥解析出来
privateKey, err := x509.ParsePKCS1PrivateKey(block.Bytes)
if err != nil {
return nil, err
}
//使用得到的私钥通过rsa进行数据解密
decryptBytes, err := rsa.DecryptPKCS1v15(rand.Reader, privateKey, src)
if err != nil {