/
accesstoken.go
175 lines (142 loc) · 3.93 KB
/
accesstoken.go
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package openauth
import (
"errors"
"fmt"
"sync"
"github.com/douyu/juno/pkg/model/db"
"github.com/douyu/juno/pkg/model/view"
"github.com/douyu/jupiter/pkg/store/gorm"
"github.com/labstack/echo/v4"
"github.com/labstack/gommon/log"
"github.com/labstack/gommon/random"
"golang.org/x/sync/errgroup"
)
const (
AppIdLen = 16
SecretLen = 32
)
var (
// 无效的 OpenAuth 应用
ErrAppNotFound = fmt.Errorf("open auth 应用未找到")
)
type (
openAuthService struct {
db *gorm.DB
// 为了防止每次查询Access Token带来的损耗,将AccessToken写入内存中
accessTokens map[string]db.AccessToken // AppId -> AppSecret
accessTokensMtx sync.Mutex
}
)
func (o *openAuthService) init() {
err := o.loadAccessTokens()
if err != nil {
log.Errorf("openAuthService.init: load access token failed:%s", err.Error())
}
}
//IntervalUpdateTokens 定时更新Token,为了防止其他进程往AccessToken数据表写数据
func (o *openAuthService) IntervalUpdateTokens() (err error) {
return o.loadAccessTokens()
}
func (o *openAuthService) loadAccessTokens() (err error) {
var accessTokens []db.AccessToken
err = o.db.Find(&accessTokens).Error
if err != nil {
return
}
o.accessTokensMtx.Lock()
defer o.accessTokensMtx.Unlock()
for _, token := range accessTokens {
o.accessTokens[token.AppID] = token
}
return
}
func (o *openAuthService) Create(param view.ReqCreateAccessToken) (token view.AccessTokenItem, err error) {
var accessToken db.AccessToken
tx := o.db.Begin()
err = tx.Where("name = ?", param.Name).First(&accessToken).Error
if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
tx.Rollback()
return
} else if err == nil {
tx.Rollback()
err = fmt.Errorf("存在相同的应用名")
return
}
// 这里直接生成随机数,如果存在重复的,写入Unique列会失败,用户重新提交即可
appId := random.String(AppIdLen, random.Alphanumeric)
secret := random.String(SecretLen, random.Alphanumeric)
accessToken = db.AccessToken{
Name: param.Name,
AppID: appId,
Secret: secret,
}
err = tx.Save(&accessToken).Error
if err != nil {
tx.Rollback()
return
}
err = tx.Commit().Error
if err != nil {
tx.Rollback()
return
}
o.accessTokensMtx.Lock()
defer o.accessTokensMtx.Unlock()
o.accessTokens[appId] = accessToken
token.Name = accessToken.Name
token.AppID = accessToken.AppID
token.AppSecret = accessToken.Secret
return
}
func (o *openAuthService) Delete(param view.ReqDeleteAccessToken) (err error) {
err = o.db.Where("app_id = ?", param.AppID).Limit(1).Delete(&db.AccessToken{}).Error
if err != nil {
return err
}
o.accessTokensMtx.Lock()
defer o.accessTokensMtx.Unlock()
delete(o.accessTokens, param.AppID)
return
}
func (o *openAuthService) List(param view.ReqListAccessToken) (resp view.RespListAccessToken, err error) {
var list []db.AccessToken
page := param.Page
pageSize := param.PageSize
offset := page * pageSize
eg := errgroup.Group{}
eg.Go(func() error {
return o.db.Model(&db.AccessToken{}).Count(&resp.Pagination.Total).Error
})
eg.Go(func() error {
return o.db.Limit(pageSize).Offset(offset).Order("id desc").Find(&list).Error
})
err = eg.Wait()
if err != nil {
return view.RespListAccessToken{}, err
}
resp.Pagination.PageSize = int(pageSize)
resp.Pagination.Current = int(page)
for _, token := range list {
resp.List = append(resp.List, view.AccessTokenItem{
Name: token.Name,
AppID: token.AppID,
AppSecret: token.Secret,
})
}
return
}
//GetAccessTokenByAppID 从内存缓存中取Access Token
func (o *openAuthService) GetAccessTokenByAppID(appId string) (accessToken db.AccessToken, err error) {
o.accessTokensMtx.Lock()
defer o.accessTokensMtx.Unlock()
accessToken, ok := o.accessTokens[appId]
if !ok {
err = ErrAppNotFound
return
}
return
}
func GetAccessToken(c echo.Context) (bool, db.AccessToken) {
openAuthInfo, ok := c.Get("OpenAuthAccessToken").(db.AccessToken)
return ok, openAuthInfo
}