enterprise/base/wechat/context/qy_access_token.go

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2023-08-13 21:24:54 +08:00
package context
import (
"encoding/json"
"fmt"
"log"
"sync"
"time"
"enterprise/base/wechat/util"
)
const (
//qyAccessTokenURL 获取access_token的接口
qyAccessTokenURL = "https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=%s&corpsecret=%s"
)
//ResQyAccessToken struct
type ResQyAccessToken struct {
util.CommonError
AccessToken string `json:"access_token"`
ExpiresIn int64 `json:"expires_in"`
}
//SetQyAccessTokenLock 设置读写锁一个appID一个读写锁
func (ctx *Context) SetQyAccessTokenLock(l *sync.RWMutex) {
ctx.accessTokenLock = l
}
//GetQyAccessToken 获取access_token
func (ctx *Context) GetQyAccessToken() (accessToken string, err error) {
ctx.accessTokenLock.Lock()
defer ctx.accessTokenLock.Unlock()
accessTokenCacheKey := fmt.Sprintf("qy_access_token_%s", ctx.AppID)
val := ctx.Cache.Get(accessTokenCacheKey)
if val != nil {
accessToken = val.(string)
return
}
//从微信服务器获取
var resQyAccessToken ResQyAccessToken
resQyAccessToken, err = ctx.GetQyAccessTokenFromServer()
if err != nil {
return
}
accessToken = resQyAccessToken.AccessToken
return
}
//GetQyAccessTokenFromServer 强制从微信服务器获取token
func (ctx *Context) GetQyAccessTokenFromServer() (resQyAccessToken ResQyAccessToken, err error) {
log.Printf("GetQyAccessTokenFromServer")
url := fmt.Sprintf(qyAccessTokenURL, ctx.AppID, ctx.AppSecret)
var body []byte
body, err = util.HTTPGet(url)
if err != nil {
return
}
err = json.Unmarshal(body, &resQyAccessToken)
if err != nil {
return
}
if resQyAccessToken.ErrCode != 0 {
err = fmt.Errorf("get qy_access_token error : errcode=%v , errormsg=%v", resQyAccessToken.ErrCode, resQyAccessToken.ErrMsg)
return
}
qyAccessTokenCacheKey := fmt.Sprintf("qy_access_token_%s", ctx.AppID)
expires := resQyAccessToken.ExpiresIn - 1500
err = ctx.Cache.Set(qyAccessTokenCacheKey, resQyAccessToken.AccessToken, time.Duration(expires)*time.Second)
return
}