企业微信内部开发API：新增jssdk支持

credential/work_js_ticket.go

@@ -0,0 +1,85 @@
+package credential
+
+import (
+	"encoding/json"
+	"fmt"
+	"sync"
+	"time"
+
+	"github.com/silenceper/wechat/v2/cache"
+	"github.com/silenceper/wechat/v2/util"
+)
+
+//获取ticket的url  https://developer.work.weixin.qq.com/document/path/90506
+const getQyWxTicketURL = "https://qyapi.weixin.qq.com/cgi-bin/get_jsapi_ticket?access_token=%s"
+const getQyAppTicketURL = "https://qyapi.weixin.qq.com/cgi-bin/ticket/get?access_token=%s&type=agent_config"
+
+//WorkJsTicket 默认获取js ticket方法
+type WorkJsTicket struct {
+	appID          string
+	agentID        string
+	cacheKeyPrefix string
+	cache          cache.Cache
+	//jsAPITicket 读写锁 同一个AppID一个
+	jsAPITicketLock *sync.Mutex
+}
+
+//NewWorkJsTicket new
+func NewWorkJsTicket(appID string, agentID string, cacheKeyPrefix string, cache cache.Cache) JsTicketHandle {
+	return &WorkJsTicket{
+		appID:           appID,
+		agentID:         agentID,
+		cache:           cache,
+		cacheKeyPrefix:  cacheKeyPrefix,
+		jsAPITicketLock: new(sync.Mutex),
+	}
+}
+
+//GetTicket 获取企业微信jsapi_ticket
+func (js *WorkJsTicket) GetTicket(accessToken string) (ticketStr string, err error) {
+	//先从cache中取
+	jsAPITicketCacheKey := fmt.Sprintf("%s_jsapi_ticket_%s", js.cacheKeyPrefix, js.appID)
+	if val := js.cache.Get(jsAPITicketCacheKey); val != nil {
+		return val.(string), nil
+	}
+
+	js.jsAPITicketLock.Lock()
+	defer js.jsAPITicketLock.Unlock()
+
+	// 双检，防止重复从微信服务器获取
+	if val := js.cache.Get(jsAPITicketCacheKey); val != nil {
+		return val.(string), nil
+	}
+
+	var ticket ResTicket
+	ticket, err = GetQyWxTicketFromServer(accessToken, js.agentID != "")
+	if err != nil {
+		return
+	}
+	expires := ticket.ExpiresIn - 1500
+	err = js.cache.Set(jsAPITicketCacheKey, ticket.Ticket, time.Duration(expires)*time.Second)
+	ticketStr = ticket.Ticket
+	return
+}
+
+//GetQyWxTicketFromServer 从企业微信服务器中获取ticket
+func GetQyWxTicketFromServer(accessToken string, isApp bool) (ticket ResTicket, err error) {
+	var response []byte
+	url := fmt.Sprintf(getQyWxTicketURL, accessToken)
+	if isApp {
+		url = fmt.Sprintf(getQyAppTicketURL, accessToken)
+	}
+	response, err = util.HTTPGet(url)
+	if err != nil {
+		return
+	}
+	err = json.Unmarshal(response, &ticket)
+	if err != nil {
+		return
+	}
+	if ticket.ErrCode != 0 {
+		err = fmt.Errorf("getTicket Error : errcode=%d , errmsg=%s", ticket.ErrCode, ticket.ErrMsg)
+		return
+	}
+	return
+}