/
qsign.go
427 lines (397 loc) · 13.2 KB
/
qsign.go
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package gocq
import (
"bytes"
"encoding/hex"
"fmt"
"io"
"net/http"
"strconv"
"strings"
"sync"
"sync/atomic"
"time"
"github.com/pkg/errors"
log "github.com/sirupsen/logrus"
"github.com/tidwall/gjson"
"github.com/Mrs4s/MiraiGo/utils"
"github.com/Mrs4s/go-cqhttp/global"
"github.com/Mrs4s/go-cqhttp/internal/base"
"github.com/Mrs4s/go-cqhttp/internal/download"
"github.com/Mrs4s/go-cqhttp/modules/config"
)
type currentSignServer atomic.Pointer[config.SignServer]
func (c *currentSignServer) get() *config.SignServer {
if len(base.SignServers) == 1 {
// 只配置了一个签名服务时不检查以及切换, 在get阶段返回,防止返回nil导致其他bug(可能)
return &base.SignServers[0]
}
return (*atomic.Pointer[config.SignServer])(c).Load()
}
func (c *currentSignServer) set(server *config.SignServer) {
(*atomic.Pointer[config.SignServer])(c).Store(server)
}
// 当前签名服务器
var ss currentSignServer
// 失败计数
type errconut atomic.Uintptr
func (ec *errconut) hasOver(count uintptr) bool {
return (*atomic.Uintptr)(ec).Load() > count
}
func (ec *errconut) inc() {
(*atomic.Uintptr)(ec).Add(1)
}
var errn errconut
// getAvaliableSignServer 获取可用的签名服务器,没有则返回空和相应错误
func getAvaliableSignServer() (*config.SignServer, error) {
cs := ss.get()
if cs != nil {
return cs, nil
}
if len(base.SignServers) == 0 {
return nil, errors.New("no sign server configured")
}
maxCount := base.Account.MaxCheckCount
if maxCount == 0 {
if errn.hasOver(3) {
log.Warn("已连续 3 次获取不到可用签名服务器,将固定使用主签名服务器")
ss.set(&base.SignServers[0])
return ss.get(), nil
}
} else if errn.hasOver(uintptr(maxCount)) {
log.Fatalf("获取可用签名服务器失败次数超过 %v 次, 正在离线", maxCount)
}
if cs != nil && len(cs.URL) > 0 {
log.Warnf("当前签名服务器 %v 不可用,正在查找可用服务器", cs.URL)
}
cs = asyncCheckServer(base.SignServers)
if cs == nil {
return nil, errors.New("no usable sign server")
}
return cs, nil
}
func isServerAvaliable(signServer string) bool {
resp, err := download.Request{
Method: http.MethodGet,
URL: signServer,
}.WithTimeout(3 * time.Second).Bytes()
if err == nil && gjson.GetBytes(resp, "code").Int() == 0 {
return true
}
log.Warnf("签名服务器 %v 可能不可用,请求出现错误:%v", signServer, err)
return false
}
// asyncCheckServer 按同步顺序检查所有签名服务器直到找到可用的
func asyncCheckServer(servers []config.SignServer) *config.SignServer {
doRegister := sync.Once{}
wg := sync.WaitGroup{}
wg.Add(len(servers))
for i, s := range servers {
go func(i int, server config.SignServer) {
defer wg.Done()
log.Infof("检查签名服务器:%v (%v/%v)", server.URL, i+1, len(servers))
if len(server.URL) < 4 {
return
}
if isServerAvaliable(server.URL) {
doRegister.Do(func() {
ss.set(&server)
log.Infof("使用签名服务器 url=%v, key=%v, auth=%v", server.URL, server.Key, server.Authorization)
if base.Account.AutoRegister {
// 若配置了自动注册实例则在切换后注册实例,否则不需要注册,签名时由qsign自动注册
signRegister(base.Account.Uin, device.AndroidId, device.Guid, device.QImei36, server.Key)
}
})
}
}(i, s)
}
wg.Wait()
return ss.get()
}
/*
请求签名服务器
url: api + params 组合的字符串,无须包含签名服务器地址
return: signServer, response, error
*/
func requestSignServer(method string, url string, headers map[string]string, body io.Reader) (string, []byte, error) {
signServer, e := getAvaliableSignServer()
if e != nil && len(signServer.URL) == 0 { // 没有可用的
log.Warnf("获取可用签名服务器出错:%v, 将使用主签名服务器进行签名", e)
errn.inc()
signServer = &base.SignServers[0] // 没有获取到时使用第一个
}
if !strings.HasPrefix(url, signServer.URL) {
url = strings.TrimSuffix(signServer.URL, "/") + "/" + strings.TrimPrefix(url, "/")
}
if headers == nil {
headers = map[string]string{}
}
auth := signServer.Authorization
if auth != "-" && auth != "" {
headers["Authorization"] = auth
}
req := download.Request{
Method: method,
Header: headers,
URL: url,
Body: body,
}.WithTimeout(time.Duration(base.SignServerTimeout) * time.Second)
resp, err := req.Bytes()
if err != nil {
ss.set(nil) // 标记为不可用
}
return signServer.URL, resp, err
}
func energy(uin uint64, id string, _ string, salt []byte) ([]byte, error) {
url := "custom_energy" + fmt.Sprintf("?data=%v&salt=%v&uin=%v&android_id=%v&guid=%v",
id, hex.EncodeToString(salt), uin, utils.B2S(device.AndroidId), hex.EncodeToString(device.Guid))
if base.IsBelow110 {
url = "custom_energy" + fmt.Sprintf("?data=%v&salt=%v", id, hex.EncodeToString(salt))
}
signServer, response, err := requestSignServer(http.MethodGet, url, nil, nil)
if err != nil {
log.Warnf("获取T544 sign时出现错误: %v. server: %v", err, signServer)
return nil, err
}
data, err := hex.DecodeString(gjson.GetBytes(response, "data").String())
if err != nil {
log.Warnf("获取T544 sign时出现错误: %v (data: %v)", err, gjson.GetBytes(response, "data").String())
return nil, err
}
if len(data) == 0 {
log.Warnf("获取T544 sign时出现错误: %v.", "data is empty")
return nil, errors.New("data is empty")
}
return data, nil
}
// signSubmit
// 提交回调 buffer
func signSubmit(uin string, cmd string, callbackID int64, buffer []byte, t string) {
buffStr := hex.EncodeToString(buffer)
if base.Debug {
tail := 64
endl := "..."
if len(buffStr) < tail {
tail = len(buffStr)
endl = "."
}
log.Debugf("submit (%v): uin=%v, cmd=%v, callbackID=%v, buffer=%v%s", t, uin, cmd, callbackID, buffStr[:tail], endl)
}
signServer, _, err := requestSignServer(
http.MethodGet,
"submit"+fmt.Sprintf("?uin=%v&cmd=%v&callback_id=%v&buffer=%v",
uin, cmd, callbackID, buffStr),
nil, nil,
)
if err != nil {
log.Warnf("提交 callback 时出现错误: %v. server: %v", err, signServer)
}
}
// signCallback
// 刷新 token 和签名的回调
func signCallback(uin string, results []gjson.Result, t string) {
for { // 等待至在线
if cli.Online.Load() {
break
}
time.Sleep(1 * time.Second)
}
for _, result := range results {
cmd := result.Get("cmd").String()
callbackID := result.Get("callbackId").Int()
body, _ := hex.DecodeString(result.Get("body").String())
ret, err := cli.SendSsoPacket(cmd, body)
if err != nil || len(ret) == 0 {
log.Warnf("Callback error: %v, or response data is empty", err)
continue // 发送 SsoPacket 出错或返回数据为空时跳过
}
signSubmit(uin, cmd, callbackID, ret, t)
}
}
func signRequset(seq uint64, uin string, cmd string, qua string, buff []byte) (sign []byte, extra []byte, token []byte, err error) {
headers := map[string]string{"Content-Type": "application/x-www-form-urlencoded"}
_, response, err := requestSignServer(
http.MethodPost,
"sign",
headers,
bytes.NewReader([]byte(fmt.Sprintf("uin=%v&qua=%s&cmd=%s&seq=%v&buffer=%v&android_id=%v&guid=%v",
uin, qua, cmd, seq, hex.EncodeToString(buff), utils.B2S(device.AndroidId), hex.EncodeToString(device.Guid)))),
)
if err != nil {
return nil, nil, nil, err
}
sign, _ = hex.DecodeString(gjson.GetBytes(response, "data.sign").String())
extra, _ = hex.DecodeString(gjson.GetBytes(response, "data.extra").String())
token, _ = hex.DecodeString(gjson.GetBytes(response, "data.token").String())
if !base.IsBelow110 {
go signCallback(uin, gjson.GetBytes(response, "data.requestCallback").Array(), "sign")
}
return sign, extra, token, nil
}
var registerLock sync.Mutex
func signRegister(uin int64, androidID, guid []byte, qimei36, key string) {
if base.IsBelow110 {
log.Warn("签名服务器版本低于1.1.0, 跳过实例注册")
return
}
signServer, resp, err := requestSignServer(
http.MethodGet,
"register"+fmt.Sprintf("?uin=%v&android_id=%v&guid=%v&qimei36=%v&key=%s",
uin, utils.B2S(androidID), hex.EncodeToString(guid), qimei36, key),
nil, nil,
)
if err != nil {
log.Warnf("注册QQ实例时出现错误: %v. server: %v", err, signServer)
return
}
msg := gjson.GetBytes(resp, "msg")
if gjson.GetBytes(resp, "code").Int() != 0 {
log.Warnf("注册QQ实例时出现错误: %v. server: %v", msg, signServer)
return
}
log.Infof("注册QQ实例 %v 成功: %v", uin, msg)
}
func signRefreshToken(uin string) error {
log.Info("正在刷新 token")
_, resp, err := requestSignServer(
http.MethodGet,
"request_token?uin="+uin,
nil, nil,
)
if err != nil {
return err
}
msg := gjson.GetBytes(resp, "msg")
code := gjson.GetBytes(resp, "code")
if code.Int() != 0 {
return errors.New("code=" + code.String() + ", msg: " + msg.String())
}
go signCallback(uin, gjson.GetBytes(resp, "data").Array(), "request token")
return nil
}
var missTokenCount = uint64(0)
var lastToken = ""
func sign(seq uint64, uin string, cmd string, qua string, buff []byte) (sign []byte, extra []byte, token []byte, err error) {
i := 0
for {
sign, extra, token, err = signRequset(seq, uin, cmd, qua, buff)
cs := ss.get()
if cs == nil {
// 最好在请求后判断,否则若被设置为nil后不会再请求签名,
// 导致在下一次有请求签名服务操作之前,ss无法更新
err = errors.New("nil signserver")
log.Warn("nil sign-server") // 返回的err并不会log出来,加条日志
return
}
if err != nil {
log.Warnf("获取sso sign时出现错误: %v. server: %v", err, cs.URL)
}
if i > 0 {
break
}
i++
if (!base.IsBelow110) && base.Account.AutoRegister && err == nil && len(sign) == 0 {
if registerLock.TryLock() { // 避免并发时多处同时销毁并重新注册
log.Debugf("请求签名:cmd=%v, qua=%v, buff=%v", seq, cmd, hex.EncodeToString(buff))
log.Debugf("返回结果:sign=%v, extra=%v, token=%v",
hex.EncodeToString(sign), hex.EncodeToString(extra), hex.EncodeToString(token))
log.Warn("获取签名为空,实例可能丢失,正在尝试重新注册")
defer registerLock.Unlock()
err := signServerDestroy(uin)
if err != nil {
log.Warnln(err) // 实例真的丢失时则必出错,或许应该不 return , 以重新获取本次签名
// return nil, nil, nil, err
}
signRegister(base.Account.Uin, device.AndroidId, device.Guid, device.QImei36, cs.Key)
}
continue
}
if (!base.IsBelow110) && base.Account.AutoRefreshToken && len(token) == 0 {
log.Warnf("token 已过期, 总丢失 token 次数为 %v", atomic.AddUint64(&missTokenCount, 1))
if registerLock.TryLock() {
defer registerLock.Unlock()
if err := signRefreshToken(uin); err != nil {
log.Warnf("刷新 token 出现错误: %v. server: %v", err, cs.URL)
} else {
log.Info("刷新 token 成功")
}
}
continue
}
break
}
if tokenString := hex.EncodeToString(token); lastToken != tokenString {
log.Infof("token 已更新:%v -> %v", lastToken, tokenString)
lastToken = tokenString
}
rule := base.Account.RuleChangeSignServer
if (len(sign) == 0 && rule >= 1) || (len(token) == 0 && rule >= 2) {
ss.set(nil)
}
return sign, extra, token, err
}
func signServerDestroy(uin string) error {
signServer, signVersion, err := signVersion()
if err != nil {
return errors.Wrapf(err, "获取签名服务版本出现错误, server: %v", signServer)
}
if global.VersionNameCompare("v"+signVersion, "v1.1.6") {
return errors.Errorf("当前签名服务器版本 %v 低于 1.1.6,无法使用 destroy 接口", signVersion)
}
cs := ss.get()
if cs == nil {
return errors.New("nil signserver")
}
signServer, resp, err := requestSignServer(
http.MethodGet,
"destroy"+fmt.Sprintf("?uin=%v&key=%v", uin, cs.Key),
nil, nil,
)
if err != nil || gjson.GetBytes(resp, "code").Int() != 0 {
return errors.Wrapf(err, "destroy 实例出现错误, server: %v", signServer)
}
return nil
}
func signVersion() (signServer string, version string, err error) {
signServer, resp, err := requestSignServer(http.MethodGet, "", nil, nil)
if err != nil {
return signServer, "", err
}
if gjson.GetBytes(resp, "code").Int() == 0 {
return signServer, gjson.GetBytes(resp, "data.version").String(), nil
}
return signServer, "", errors.New("empty version")
}
// 定时刷新 token, interval 为间隔时间(分钟)
func signStartRefreshToken(interval int64) {
if interval <= 0 {
log.Warn("定时刷新 token 已关闭")
return
}
log.Infof("每 %v 分钟将刷新一次签名 token", interval)
if interval < 10 {
log.Warnf("间隔时间 %v 分钟较短,推荐 30~40 分钟", interval)
}
if interval > 60 {
log.Warn("间隔时间不能超过 60 分钟,已自动设置为 60 分钟")
interval = 60
}
t := time.NewTicker(time.Duration(interval) * time.Minute)
qqstr := strconv.FormatInt(base.Account.Uin, 10)
defer t.Stop()
for range t.C {
cs, master := ss.get(), &base.SignServers[0]
if (cs == nil || cs.URL != master.URL) && isServerAvaliable(master.URL) {
ss.set(master)
log.Infof("主签名服务器可用,已切换至主签名服务器 %v", master.URL)
}
cs = ss.get()
if cs == nil {
log.Warn("无法获得可用签名服务器,停止 token 定时刷新")
return
}
err := signRefreshToken(qqstr)
if err != nil {
log.Warnf("刷新 token 出现错误: %v. server: %v", err, cs.URL)
}
}
}