2019-06-02 16:33:25 +09:00

54 lines
1.4 KiB
Go

package main
import (
"bytes"
"crypto/rsa"
"crypto/sha256"
"encoding/base64"
"errors"
"fmt"
"net/http"
"time"
httpdate "github.com/Songmu/go-httpdate"
"github.com/yukimochi/httpsig"
)
func appendSignature(request *http.Request, body *[]byte, KeyID string, publicKey *rsa.PrivateKey) error {
hash := sha256.New()
hash.Write(*body)
b := hash.Sum(nil)
request.Header.Set("Digest", "SHA-256="+base64.StdEncoding.EncodeToString(b))
request.Header.Set("Host", request.Host)
signer, _, err := httpsig.NewSigner([]httpsig.Algorithm{httpsig.RSA_SHA256}, []string{httpsig.RequestTarget, "Host", "Date", "Digest", "Content-Type"}, httpsig.Signature)
if err != nil {
return err
}
err = signer.SignRequest(publicKey, KeyID, request)
if err != nil {
return err
}
return nil
}
func sendActivity(inboxURL string, KeyID string, body []byte, publicKey *rsa.PrivateKey) error {
req, _ := http.NewRequest("POST", inboxURL, bytes.NewBuffer(body))
req.Header.Set("Content-Type", "application/activity+json")
req.Header.Set("User-Agent", uaString)
req.Header.Set("Date", httpdate.Time2Str(time.Now()))
appendSignature(req, &body, KeyID, publicKey)
client := &http.Client{Timeout: time.Duration(5) * time.Second}
resp, err := client.Do(req)
if err != nil {
return err
}
fmt.Println(inboxURL, resp.StatusCode)
if resp.StatusCode/100 != 2 {
return errors.New(resp.Status)
}
return nil
}