✨ add jwt / complete the rotation verification

utils/cache.go

@@ -0,0 +1,67 @@
+package utils
+
+import (
+	"sync"
+	"time"
+)
+
+type cachedata = struct {
+	data     []byte
+	createAt time.Time
+}
+
+var mux sync.Mutex
+
+var cachemaps = make(map[string]*cachedata)
+
+// WriteCache .
+func WriteCache(key string, data []byte) {
+	mux.Lock()
+	defer mux.Unlock()
+	cachemaps[key] = &cachedata{
+		createAt: time.Now(),
+		data:     data,
+	}
+}
+
+// ReadCache .
+func ReadCache(key string) []byte {
+	mux.Lock()
+	defer mux.Unlock()
+	if cd, ok := cachemaps[key]; ok {
+		return cd.data
+	}
+
+	return []byte{}
+}
+
+// ClearCache .
+func ClearCache(key string) {
+	mux.Lock()
+	defer mux.Unlock()
+	delete(cachemaps, key)
+}
+
+// RunTimedTask .
+func RunTimedTask() {
+	ticker := time.NewTicker(time.Minute * 5)
+	go func() {
+		for range ticker.C {
+			checkCacheOvertimeFile()
+		}
+	}()
+}
+
+func checkCacheOvertimeFile() {
+	var keys = make([]string, 0)
+	for key, data := range cachemaps {
+		ex := time.Now().Unix() - data.createAt.Unix()
+		if ex > (60 * 30) {
+			keys = append(keys, key)
+		}
+	}
+
+	for _, key := range keys {
+		ClearCache(key)
+	}
+}