mirror of
https://github.com/imgproxy/imgproxy.git
synced 2024-11-24 08:12:38 +02:00
38 lines
747 B
Go
38 lines
747 B
Go
package examples
|
|
|
|
import (
|
|
"crypto/hmac"
|
|
"crypto/sha256"
|
|
"encoding/base64"
|
|
"encoding/hex"
|
|
"fmt"
|
|
"log"
|
|
)
|
|
|
|
const (
|
|
key = "943b421c9eb07c830af81030552c86009268de4e532ba2ee2eab8247c6da0881"
|
|
salt = "520f986b998545b4785e0defbc4f3c1203f22de2374a3d53cb7a7fe9fea309c5"
|
|
)
|
|
|
|
func SignURL() {
|
|
var keyBin, saltBin []byte
|
|
var err error
|
|
|
|
if keyBin, err = hex.DecodeString(key); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
|
|
if saltBin, err = hex.DecodeString(salt); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
|
|
path := "/rs:fit:300:300/plain/http://img.example.com/pretty/image.jpg"
|
|
|
|
mac := hmac.New(sha256.New, keyBin)
|
|
mac.Write(saltBin)
|
|
mac.Write([]byte(path))
|
|
signature := base64.RawURLEncoding.EncodeToString(mac.Sum(nil))
|
|
|
|
fmt.Printf("/%s%s", signature, path)
|
|
}
|