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Merge pull request #176 from art2ip/juno_24_0614
Enhancements in go client library.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| // | ||
| // Copyright 2023 PayPal Inc. | ||
| // | ||
| // Licensed to the Apache Software Foundation (ASF) under one or more | ||
| // contributor license agreements. See the NOTICE file distributed with | ||
| // this work for additional information regarding copyright ownership. | ||
| // The ASF licenses this file to You 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 cli | ||
|
|
||
| import ( | ||
| "crypto/tls" | ||
| "errors" | ||
| "fmt" | ||
| "net" | ||
| "time" | ||
|
|
||
| "github.com/paypal/junodb/pkg/logging" | ||
| "github.com/paypal/junodb/pkg/logging/cal" | ||
| ) | ||
|
|
||
| func TLSInitialized() bool { | ||
| return false | ||
| } | ||
|
|
||
| func Dial(addr string, timeout time.Duration, getTLSConfig func() *tls.Config) (conn net.Conn, err error) { | ||
| var tlsConn *tls.Conn | ||
|
|
||
| if getTLSConfig == nil { | ||
| return nil, errors.New("Unable to get TLS config") | ||
| } | ||
| timeStart := time.Now() | ||
| tlsCfg := getTLSConfig() | ||
| if tlsCfg == nil { | ||
| err = errors.New("Unable to get TLS config") | ||
| } else { | ||
| dialer := &net.Dialer{Timeout: timeout} | ||
| tlsConn, err = tls.DialWithDialer(dialer, "tcp", addr, tlsCfg) | ||
| conn = tlsConn | ||
| if tlsConn == nil && err == nil { | ||
| err = errors.New("Connect failed.") | ||
| } | ||
| } | ||
|
|
||
| if !cal.IsEnabled() { | ||
| return conn, err | ||
| } | ||
|
|
||
| // Cal logging | ||
| status := cal.StatusSuccess | ||
| b := logging.NewKVBuffer() | ||
| if err != nil { | ||
| status = cal.StatusError | ||
| b.Add([]byte("err"), err.Error()) | ||
| } else { | ||
| b.Add([]byte("ssl"), getConnectionState(tlsConn)) | ||
| } | ||
|
|
||
| cal.AtomicTransaction(cal.TxnTypeConnect, addr, status, | ||
| time.Since(timeStart), b.Bytes()) | ||
|
|
||
| return conn, err | ||
| } | ||
|
|
||
| func getConnectionState(c *tls.Conn) string { | ||
| if c == nil { | ||
| return "" | ||
| } | ||
|
|
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| st := c.ConnectionState() | ||
| rid := 0 | ||
| if st.DidResume { | ||
| rid = 1 | ||
| } | ||
| msg := fmt.Sprintf("GoTLS:%s:%s:ssl_r=%d", getVersionName(st.Version), | ||
| tls.CipherSuiteName(st.CipherSuite), rid) | ||
|
|
||
| return msg | ||
| } | ||
|
|
||
| func getVersionName(ver uint16) string { | ||
| switch ver { | ||
| case tls.VersionSSL30: | ||
| return "SSLv3" | ||
| case tls.VersionTLS10: | ||
| return "TLSv1" | ||
| case tls.VersionTLS11: | ||
| return "TLSv1.1" | ||
| case tls.VersionTLS12: | ||
| return "TLSv1.2" | ||
| case tls.VersionTLS13: | ||
| return "TLSv1.3" | ||
| default: | ||
| return "" | ||
| } | ||
| } |
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