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client-s3-trace_v2.go
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client-s3-trace_v2.go
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// Copyright (c) 2015-2022 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package cmd
import (
"net/http"
"net/http/httputil"
"strings"
"github.com/minio/mc/pkg/httptracer"
"github.com/minio/pkg/v2/console"
)
// traceV2 - tracing structure for signature version '2'.
type traceV2 struct{}
// newTraceV2 - initialize Trace structure
func newTraceV2() httptracer.HTTPTracer {
return traceV2{}
}
// Request - Trace HTTP Request
func (t traceV2) Request(req *http.Request) (err error) {
origAuth := req.Header.Get("Authorization")
if strings.TrimSpace(origAuth) != "" {
// Authorization (S3 v2 signature) Format:
// Authorization: AWS AKIAJVA5BMMU2RHO6IO1:Y10YHUZ0DTUterAUI6w3XKX7Iqk=
// Set a temporary redacted auth
req.Header.Set("Authorization", "AWS **REDACTED**:**REDACTED**")
var reqTrace []byte
reqTrace, err = httputil.DumpRequestOut(req, false) // Only display header
if err == nil {
console.Debug(string(reqTrace))
}
// Undo
req.Header.Set("Authorization", origAuth)
}
return err
}
// Response - Trace HTTP Response
func (t traceV2) Response(resp *http.Response) (err error) {
var respTrace []byte
// For errors we make sure to dump response body as well.
if resp.StatusCode != http.StatusOK &&
resp.StatusCode != http.StatusPartialContent &&
resp.StatusCode != http.StatusNoContent {
respTrace, err = httputil.DumpResponse(resp, true)
} else {
respTrace, err = httputil.DumpResponse(resp, false)
}
if err == nil {
console.Debug(string(respTrace))
}
if resp.TLS != nil {
printTLSCertInfo(resp.TLS)
}
return err
}