fixed

plugins/authhttp/authhttp.go

@@ -58,6 +58,16 @@ func Init() {
 
 //CheckAuth check mqtt connect
 func CheckAuth(clientID, username, password string) bool {
+	action := "connect"
+	{
+		aCache := checkCache(action, clientID, username, password, "")
+		if aCache != nil {
+			if aCache.password == password && aCache.username == username && aCache.action == action {
+				return true
+			}
+		}
+	}
+
 	data := url.Values{}
 	data.Add("username", username)
 	data.Add("clientid", clientID)
@@ -79,6 +89,7 @@ func CheckAuth(clientID, username, password string) bool {
 
 	defer resp.Body.Close()
 	if resp.StatusCode == http.StatusOK {
+		addCache(action, clientID, username, password, "")
 		return true
 	}
 	return false
@@ -86,6 +97,16 @@ func CheckAuth(clientID, username, password string) bool {
 
 //CheckSuper check mqtt connect
 func CheckSuper(clientID, username, password string) bool {
+	action := "connect"
+	{
+		aCache := checkCache(action, clientID, username, password, "")
+		if aCache != nil {
+			if aCache.password == password && aCache.username == username && aCache.action == action {
+				return true
+			}
+		}
+	}
+
 	data := url.Values{}
 	data.Add("username", username)
 	data.Add("clientid", clientID)
@@ -114,6 +135,16 @@ func CheckSuper(clientID, username, password string) bool {
 
 //CheckACL check mqtt connect
 func CheckACL(username, access, topic string) bool {
+	action := access
+	{
+		aCache := checkCache(action, "", username, "", topic)
+		if aCache != nil {
+			if aCache.topic == topic && aCache.action == action {
+				return true
+			}
+		}
+	}
+
 	req, err := http.NewRequest("GET", config.ACLURL, nil)
 	if err != nil {
 		log.Error("get acl: ", zap.Error(err))
@@ -135,6 +166,7 @@ func CheckACL(username, access, topic string) bool {
 
 	defer resp.Body.Close()
 	if resp.StatusCode == http.StatusOK {
+		addCache(action, "", username, "", topic)
 		return true
 	}
 	return false

plugins/authhttp/cache.go

@@ -0,0 +1,32 @@
+package authhttp
+
+import (
+	"time"
+
+	"github.com/patrickmn/go-cache"
+)
+
+type authCache struct {
+	action   string
+	username string
+	clientID string
+	password string
+	topic    string
+}
+
+var (
+	// cache = make(map[string]authCache)
+	c = cache.New(5*time.Minute, 10*time.Minute)
+)
+
+func checkCache(action, clientID, username, password, topic string) *authCache {
+	authc, found := c.Get(username)
+	if found {
+		return authc.(*authCache)
+	}
+	return nil
+}
+
+func addCache(action, clientID, username, password, topic string) {
+	c.Set(username, &authCache{action: action, username: username, clientID: clientID, password: password, topic: topic}, cache.DefaultExpiration)
+}