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go-zero/example/http/signature/client/client.go

114 lines
2.4 KiB
Go

package main
import (
"crypto/hmac"
"crypto/md5"
"crypto/sha256"
"encoding/base64"
"flag"
"fmt"
"io"
"log"
"net/http"
"os"
"strconv"
"strings"
"time"
"zero/core/codec"
)
const pubKey = `-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQD7bq4FLG0ctccbEFEsUBuRxkjE
eJ5U+0CAEjJk20V9/u2Fu76i1oKoShCs7GXtAFbDb5A/ImIXkPY62nAaxTGK4KVH
miYbRgh5Fy6336KepLCtCmV/r0PKZeCyJH9uYLs7EuE1z9Hgm5UUjmpHDhJtkAwR
my47YlhspwszKdRP+wIDAQAB
-----END PUBLIC KEY-----`
var (
crypt = flag.Bool("crypt", false, "encrypt body or not")
key = []byte("q4t7w!z%C*F-JaNdRgUjXn2r5u8x/A?D")
)
func fingerprint(key string) string {
h := md5.New()
io.WriteString(h, key)
return base64.StdEncoding.EncodeToString(h.Sum(nil))
}
func hs256(key []byte, body string) string {
h := hmac.New(sha256.New, key)
io.WriteString(h, body)
return base64.StdEncoding.EncodeToString(h.Sum(nil))
}
func main() {
flag.Parse()
var err error
body := "hello world!"
if *crypt {
bodyBytes, err := codec.EcbEncrypt(key, []byte(body))
if err != nil {
log.Fatal(err)
}
body = base64.StdEncoding.EncodeToString(bodyBytes)
}
r, err := http.NewRequest(http.MethodPost, "http://localhost:3333/a/b?c=first&d=second", strings.NewReader(body))
if err != nil {
log.Fatal(err)
}
timestamp := time.Now().Unix()
sha := sha256.New()
sha.Write([]byte(body))
bodySign := fmt.Sprintf("%x", sha.Sum(nil))
contentOfSign := strings.Join([]string{
strconv.FormatInt(timestamp, 10),
http.MethodPost,
r.URL.Path,
r.URL.RawQuery,
bodySign,
}, "\n")
sign := hs256(key, contentOfSign)
var mode string
if *crypt {
mode = "1"
} else {
mode = "0"
}
content := strings.Join([]string{
"version=v1",
"type=" + mode,
fmt.Sprintf("key=%s", base64.StdEncoding.EncodeToString(key)),
"time=" + strconv.FormatInt(timestamp, 10),
}, "; ")
encrypter, err := codec.NewRsaEncrypter([]byte(pubKey))
if err != nil {
log.Fatal(err)
}
output, err := encrypter.Encrypt([]byte(content))
if err != nil {
log.Fatal(err)
}
encryptedContent := base64.StdEncoding.EncodeToString(output)
r.Header.Set("X-Content-Security", strings.Join([]string{
fmt.Sprintf("key=%s", fingerprint(pubKey)),
"secret=" + encryptedContent,
"signature=" + sign,
}, "; "))
client := &http.Client{}
resp, err := client.Do(r)
if err != nil {
log.Fatal(err)
}
defer resp.Body.Close()
fmt.Println(resp.Status)
io.Copy(os.Stdout, resp.Body)
}