solve uncorrect notification when set group info

pkg/common/storage/kafka/tls.go

@@ -0,0 +1,83 @@
+// Copyright © 2024 OpenIM open source community. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package kafka
+
+import (
+	"crypto/tls"
+	"crypto/x509"
+	"encoding/pem"
+	"os"
+
+	"github.com/openimsdk/tools/errs"
+)
+
+// decryptPEM decrypts a PEM block using a password.
+func decryptPEM(data []byte, passphrase []byte) ([]byte, error) {
+	if len(passphrase) == 0 {
+		return data, nil
+	}
+	b, _ := pem.Decode(data)
+	d, err := x509.DecryptPEMBlock(b, passphrase)
+	if err != nil {
+		return nil, errs.WrapMsg(err, "DecryptPEMBlock failed")
+	}
+	return pem.EncodeToMemory(&pem.Block{
+		Type:  b.Type,
+		Bytes: d,
+	}), nil
+}
+
+func readEncryptablePEMBlock(path string, pwd []byte) ([]byte, error) {
+	data, err := os.ReadFile(path)
+	if err != nil {
+		return nil, errs.WrapMsg(err, "ReadFile failed", "path", path)
+	}
+	return decryptPEM(data, pwd)
+}
+
+// newTLSConfig setup the TLS config from general config file.
+func newTLSConfig(clientCertFile, clientKeyFile, caCertFile string, keyPwd []byte, insecureSkipVerify bool) (*tls.Config, error) {
+	var tlsConfig tls.Config
+	if clientCertFile != "" && clientKeyFile != "" {
+		certPEMBlock, err := os.ReadFile(clientCertFile)
+		if err != nil {
+			return nil, errs.WrapMsg(err, "ReadFile failed", "clientCertFile", clientCertFile)
+		}
+		keyPEMBlock, err := readEncryptablePEMBlock(clientKeyFile, keyPwd)
+		if err != nil {
+			return nil, err
+		}
+
+		cert, err := tls.X509KeyPair(certPEMBlock, keyPEMBlock)
+		if err != nil {
+			return nil, errs.WrapMsg(err, "X509KeyPair failed")
+		}
+		tlsConfig.Certificates = []tls.Certificate{cert}
+	}
+
+	if caCertFile != "" {
+		caCert, err := os.ReadFile(caCertFile)
+		if err != nil {
+			return nil, errs.WrapMsg(err, "ReadFile failed", "caCertFile", caCertFile)
+		}
+		caCertPool := x509.NewCertPool()
+		if ok := caCertPool.AppendCertsFromPEM(caCert); !ok {
+			return nil, errs.New("AppendCertsFromPEM failed")
+		}
+		tlsConfig.RootCAs = caCertPool
+	}
+	tlsConfig.InsecureSkipVerify = insecureSkipVerify
+	return &tlsConfig, nil
+}