Files
go-mc/yggdrasil/user/user.go
Tnze 9e33febe3f Squashed commit of the following:
commit 1f029f560d96e4c273fbbc6e85cde23956967521
Author: Tnze <cjd001113@outlook.com>
Date:   Wed Dec 7 11:42:39 2022 +0800

    Adjust struct field name

commit 3216cc964c87880cfe3d76492a6ad399cb5660e8
Author: patyhank <mlpmmy@gmail.com>
Date:   Wed Dec 7 11:25:28 2022 +0800

    Change PublicKeySignature to V2

commit 3308bd67b29f7734344d83503d41960934f84086
Author: patyhank <mlpmmy@gmail.com>
Date:   Wed Dec 7 11:19:20 2022 +0800

    Change PublicKeySignature to V2
2022-12-07 11:52:47 +08:00

85 lines
2.1 KiB
Go

package user
import (
"encoding/base64"
"encoding/json"
"encoding/pem"
"errors"
"fmt"
"io"
"net/http"
"time"
pk "github.com/Tnze/go-mc/net/packet"
)
var ServicesURL = "https://api.minecraftservices.com"
var client = http.DefaultClient
type KeyPairResp struct {
KeyPair struct {
PrivateKey string `json:"privateKey"`
PublicKey string `json:"publicKey"`
} `json:"keyPair"`
PublicKeySignature string `json:"publicKeySignature"`
PublicKeySignatureV2 string `json:"publicKeySignatureV2"`
ExpiresAt time.Time `json:"expiresAt"`
RefreshedAfter time.Time `json:"refreshedAfter"`
}
func (k KeyPairResp) WriteTo(w io.Writer) (int64, error) {
block, _ := pem.Decode([]byte(k.KeyPair.PublicKey))
if block == nil {
return 0, errors.New("pem decode error: no data is found")
}
signature, err := base64.StdEncoding.DecodeString(k.PublicKeySignatureV2)
if err != nil {
return 0, err
}
return pk.Tuple{
pk.Long(k.ExpiresAt.UnixMilli()),
pk.ByteArray(block.Bytes),
pk.ByteArray(signature),
}.WriteTo(w)
}
func GetOrFetchKeyPair(accessToken string) (KeyPairResp, error) {
return fetchKeyPair(accessToken) // TODO: cache
}
func fetchKeyPair(accessToken string) (KeyPairResp, error) {
var keyPairResp KeyPairResp
err := post("/player/certificates", accessToken, &keyPairResp)
return keyPairResp, err
}
func post(endpoint string, accessToken string, resp interface{}) error {
rowResp, err := rawPost(endpoint, accessToken)
if err != nil {
return fmt.Errorf("request fail: %v", err)
}
defer rowResp.Body.Close()
err = json.NewDecoder(rowResp.Body).Decode(resp)
if err != nil {
return fmt.Errorf("parse resp fail: %v", err)
}
return nil
}
func rawPost(endpoint string, accessToken string) (*http.Response, error) {
PostRequest, err := http.NewRequest(
http.MethodPost,
ServicesURL+endpoint, nil)
if err != nil {
return nil, fmt.Errorf("make request error: %v", err)
}
PostRequest.Header.Set("Authorization", "Bearer "+accessToken)
PostRequest.Header.Set("Content-Type", "application/json; charset=utf-8")
// Do
return client.Do(PostRequest)
}