Feature: MITM rewrite

common/cert/storage.go

@@ -0,0 +1,32 @@
+package cert
+
+import (
+	"crypto/tls"
+	"time"
+
+	"github.com/Dreamacro/clash/common/cache"
+)
+
+var TTL = time.Hour * 2
+
+// AutoGCCertsStorage cache with the generated certificates, auto released after TTL
+type AutoGCCertsStorage struct {
+	certsCache *cache.Cache[string, *tls.Certificate]
+}
+
+// Get gets the certificate from the storage
+func (c *AutoGCCertsStorage) Get(key string) (*tls.Certificate, bool) {
+	ca := c.certsCache.Get(key)
+	return ca, ca != nil
+}
+
+// Set saves the certificate to the storage
+func (c *AutoGCCertsStorage) Set(key string, cert *tls.Certificate) {
+	c.certsCache.Put(key, cert, TTL)
+}
+
+func NewAutoGCCertsStorage() *AutoGCCertsStorage {
+	return &AutoGCCertsStorage{
+		certsCache: cache.New[string, *tls.Certificate](TTL),
+	}
+}