mirror of
https://github.com/minio/minio.git
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198 lines
5.0 KiB
Go
198 lines
5.0 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"bytes"
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"io"
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"net"
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"net/http"
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"reflect"
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"regexp"
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"runtime"
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"strconv"
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"strings"
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"time"
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"github.com/minio/madmin-go"
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"github.com/minio/minio/internal/handlers"
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"github.com/minio/minio/internal/logger"
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)
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// recordRequest - records the first recLen bytes
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// of a given io.Reader
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type recordRequest struct {
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// Data source to record
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io.Reader
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// Response body should be logged
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logBody bool
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// Internal recording buffer
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buf bytes.Buffer
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// request headers
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headers http.Header
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// total bytes read including header size
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bytesRead int
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}
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func (r *recordRequest) Close() error {
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// no-op
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return nil
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}
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func (r *recordRequest) Read(p []byte) (n int, err error) {
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n, err = r.Reader.Read(p)
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r.bytesRead += n
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if r.logBody {
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r.buf.Write(p[:n])
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}
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if err != nil {
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return n, err
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}
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return n, err
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}
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func (r *recordRequest) Size() int {
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sz := r.bytesRead
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for k, v := range r.headers {
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sz += len(k) + len(v)
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}
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return sz
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}
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// Return the bytes that were recorded.
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func (r *recordRequest) Data() []byte {
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// If body logging is enabled then we return the actual body
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if r.logBody {
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return r.buf.Bytes()
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}
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// ... otherwise we return <BODY> placeholder
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return logger.BodyPlaceHolder
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}
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var ldapPwdRegex = regexp.MustCompile("(^.*?)LDAPPassword=([^&]*?)(&(.*?))?$")
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// redact LDAP password if part of string
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func redactLDAPPwd(s string) string {
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parts := ldapPwdRegex.FindStringSubmatch(s)
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if len(parts) > 0 {
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return parts[1] + "LDAPPassword=*REDACTED*" + parts[3]
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}
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return s
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}
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// getOpName sanitizes the operation name for mc
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func getOpName(name string) (op string) {
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op = strings.TrimPrefix(name, "github.com/minio/minio/cmd.")
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op = strings.TrimSuffix(op, "Handler-fm")
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op = strings.Replace(op, "objectAPIHandlers", "s3", 1)
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op = strings.Replace(op, "adminAPIHandlers", "admin", 1)
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op = strings.Replace(op, "(*webAPIHandlers)", "web", 1)
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op = strings.Replace(op, "(*storageRESTServer)", "internal", 1)
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op = strings.Replace(op, "(*peerRESTServer)", "internal", 1)
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op = strings.Replace(op, "(*lockRESTServer)", "internal", 1)
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op = strings.Replace(op, "(*stsAPIHandlers)", "sts", 1)
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op = strings.Replace(op, "LivenessCheckHandler", "healthcheck", 1)
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op = strings.Replace(op, "ReadinessCheckHandler", "healthcheck", 1)
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op = strings.Replace(op, "-fm", "", 1)
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return op
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}
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// Trace gets trace of http request
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func Trace(f http.HandlerFunc, logBody bool, w http.ResponseWriter, r *http.Request) madmin.TraceInfo {
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name := getOpName(runtime.FuncForPC(reflect.ValueOf(f).Pointer()).Name())
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// Setup a http request body recorder
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reqHeaders := r.Header.Clone()
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reqHeaders.Set("Host", r.Host)
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if len(r.TransferEncoding) == 0 {
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reqHeaders.Set("Content-Length", strconv.Itoa(int(r.ContentLength)))
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} else {
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reqHeaders.Set("Transfer-Encoding", strings.Join(r.TransferEncoding, ","))
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}
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reqBodyRecorder := &recordRequest{Reader: r.Body, logBody: logBody, headers: reqHeaders}
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r.Body = reqBodyRecorder
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now := time.Now().UTC()
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t := madmin.TraceInfo{TraceType: madmin.TraceHTTP, FuncName: name, Time: now}
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t.NodeName = r.Host
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if globalIsDistErasure {
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t.NodeName = globalLocalNodeName
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}
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if t.NodeName == "" {
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t.NodeName = globalLocalNodeName
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}
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// strip only standard port from the host address
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if host, port, err := net.SplitHostPort(t.NodeName); err == nil {
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if port == "443" || port == "80" {
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t.NodeName = host
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}
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}
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rq := madmin.TraceRequestInfo{
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Time: now,
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Proto: r.Proto,
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Method: r.Method,
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RawQuery: redactLDAPPwd(r.URL.RawQuery),
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Client: handlers.GetSourceIP(r),
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Headers: reqHeaders,
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}
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path := r.URL.RawPath
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if path == "" {
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path = r.URL.Path
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}
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rq.Path = path
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rw := logger.NewResponseWriter(w)
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rw.LogErrBody = true
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rw.LogAllBody = logBody
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// Execute call.
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f(rw, r)
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rs := madmin.TraceResponseInfo{
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Time: time.Now().UTC(),
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Headers: rw.Header().Clone(),
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StatusCode: rw.StatusCode,
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Body: rw.Body(),
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}
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// Transfer request body
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rq.Body = reqBodyRecorder.Data()
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if rs.StatusCode == 0 {
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rs.StatusCode = http.StatusOK
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}
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t.ReqInfo = rq
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t.RespInfo = rs
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t.CallStats = madmin.TraceCallStats{
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Latency: rs.Time.Sub(rw.StartTime),
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InputBytes: reqBodyRecorder.Size(),
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OutputBytes: rw.Size(),
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TimeToFirstByte: rw.TimeToFirstByte,
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}
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return t
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}
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