Refactoring modules

modules/http_proxy/http_proxy_cert_cache.go

@@ -0,0 +1,33 @@
+package http_proxy
+
+import (
+	"crypto/tls"
+	"fmt"
+	"sync"
+)
+
+var (
+	certCache = make(map[string]*tls.Certificate)
+	certLock  = &sync.Mutex{}
+)
+
+func getCachedCert(domain string, port int) *tls.Certificate {
+	key := fmt.Sprintf("%s:%d", domain, port)
+
+	certLock.Lock()
+	defer certLock.Unlock()
+
+	if cert, found := certCache[key]; found {
+		return cert
+	}
+	return nil
+}
+
+func setCachedCert(domain string, port int, cert *tls.Certificate) {
+	key := fmt.Sprintf("%s:%d", domain, port)
+
+	certLock.Lock()
+	defer certLock.Unlock()
+
+	certCache[key] = cert
+}