forked from wuboy0307/goline-gotk3
/
utilites.go
213 lines (191 loc) · 4.65 KB
/
utilites.go
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package main
import (
"crypto/aes"
"crypto/md5"
"crypto/sha1"
"encoding/base64"
"errors"
"fmt"
"html"
"io"
"math/rand"
"net/http"
"os"
"path"
"reflect"
"time"
"github.com/conformal/gotk3/glib"
"github.com/conformal/gotk3/gtk"
)
func checkFileNotExist(path string) bool {
if _, err := os.Stat(path); os.IsNotExist(err) {
return true
}
return false
}
func getResponse(url string) (*http.Response, error) {
client := &http.Client{}
req, err := http.NewRequest("GET", url, nil)
if err != nil {
goline.LoggerPrintln(err)
return nil, err
}
req.Header = *goline.client.GetHeader()
res, err := client.Do(req)
if err != nil {
goline.LoggerPrintln(err)
return nil, err
}
return res, nil
}
func copyBodyToFile(res *http.Response, filename string) error {
file, err := os.Create(filename)
if err != nil {
goline.LoggerPrintln(err)
return err
}
defer file.Close()
_, err = io.Copy(file, res.Body)
if err != nil {
goline.LoggerPrintln(err)
}
return err
}
func downloadFile(url, filename string) error {
res, err := getResponse(url)
if err != nil {
goline.LoggerPrintln(err)
return err
}
defer res.Body.Close()
err = copyBodyToFile(res, filename)
if err != nil {
goline.LoggerPrintln(err)
}
return err
}
func downloadContentToTemp(msgId, url, ext string) (string, error) {
res, err := getResponse(url)
defer res.Body.Close()
if err != nil {
goline.LoggerPrintln(err)
return "", err
}
if ext == "" {
ext = mimeToExt[res.Header.Get("Content-Type")]
}
content := path.Join(goline.TempDirPath, "content", msgId) + ext
goline.LoggerPrintln("Save file to", content)
err = copyBodyToFile(res, content)
if err != nil {
goline.LoggerPrintln(err)
return "", err
}
return content, nil
}
func getNameById(id string) string {
entity, err := goline.client.GetLineEntityById(id)
if err != nil || entity == nil {
return "Unknown"
} else {
return entity.GetName()
}
}
func generateRandomColorFromId(id string) string {
num := []byte(id)
var (
r uint8 = 20
g uint8 = 20
b uint8 = 20
)
if uint8(num[0])%2 == 1 {
r += uint8(num[10]) % 100
}
if uint8(num[1]%2) == 1 {
g += uint8(num[11]) % 100
}
if uint8(num[2]%2) == 1 {
b += uint8(num[12]) % 100
}
return fmt.Sprintf("#%x%x%x", r, g, b)
}
func markupById(id, text string) string {
color := generateRandomColorFromId(id)
format := "<span foreground=\"%s\">%s</span>"
return fmt.Sprintf(format,
html.EscapeString(color),
html.EscapeString(text))
}
func getIObjectWithType(builder *gtk.Builder, name string, proto interface{}) glib.IObject {
iobj, err := builder.GetObject(name)
if err != nil {
goline.LoggerPanicln(err)
}
protoType := reflect.TypeOf(proto)
iobjType := reflect.TypeOf(iobj)
if iobjType != protoType {
goline.LoggerPanicln(NewTypeAssertionError(name, protoType.Name(), iobjType.Name()))
}
return iobj
}
func generateRandomString() string {
rand.Seed(time.Now().UnixNano())
n := rand.Int()%69 + 32
s := make([]byte, n)
for i := 0; i < n; i++ {
x := rand.Int()%95 + 32
s[i] = byte(x)
}
return string(s)
}
func hashPassword(pwd, salt string) string {
sum := sha1.Sum([]byte(pwd + salt))
return base64.StdEncoding.EncodeToString(sum[:])
}
func encryptAuthToken(pwd string, authToken string) (string, error) {
sum := md5.Sum([]byte(pwd))
key := sum[0:16]
block, err := aes.NewCipher(key)
if err != nil {
goline.LoggerPrintln(err)
return "", err
}
authTokenBytes := []byte(authToken)
block.Encrypt(authTokenBytes, authTokenBytes)
authToken = base64.StdEncoding.EncodeToString(authTokenBytes)
return authToken, nil
}
func decryptAuthToken(pwd string, authTokenStr string) (string, error) {
authToken, err := base64.StdEncoding.DecodeString(authTokenStr)
if err != nil {
goline.LoggerPrintln(err)
return "", err
}
sum := md5.Sum([]byte(pwd))
key := sum[0:16]
block, err := aes.NewCipher(key)
if err != nil {
goline.LoggerPanicln(err)
return "", err
}
block.Decrypt(authToken, authToken)
return string(authToken), nil
}
func NewTypeAssertionError(name, want string, get string) error {
return errors.New(fmt.Sprintf("%s is not a %s but a %s.", name, want, get))
}
func RunAlertMessage(parent *gtk.Window, format string, args ...interface{}) {
dialog := gtk.MessageDialogNew(parent, gtk.DIALOG_MODAL, gtk.MESSAGE_WARNING, gtk.BUTTONS_OK, fmt.Sprint("WARNING: ", format), args...)
dialog.Run()
dialog.Destroy()
}
func RunErrorMessage(format string, args ...interface{}) error {
dummy, err := gtk.WindowNew(gtk.WINDOW_TOPLEVEL)
if err != nil {
return err
}
dialog := gtk.MessageDialogNew(dummy, gtk.DIALOG_MODAL, gtk.MESSAGE_ERROR, gtk.BUTTONS_OK, fmt.Sprint("ERROR: ", format), args...)
dialog.Run()
dialog.Destroy()
return nil
}