[#369] Enhanced http requests logging

Signed-off-by: Nikita Zinkevich <n.zinkevich@yadro.com>

.docker/Dockerfile

@@ -3,11 +3,12 @@ FROM golang:1.22 AS builder
 ARG BUILD=now
 ARG REPO=git.frostfs.info/TrueCloudLab/frostfs-s3-gw
 ARG VERSION=dev
+ARG GOFLAGS=""
 
 WORKDIR /src
 COPY . /src
 
-RUN make
+RUN make GOFLAGS=${GOFLAGS}
 
 # Executable image
 FROM alpine AS frostfs-s3-gw

Makefile

@@ -14,6 +14,8 @@ METRICS_DUMP_OUT ?= ./metrics-dump.json
 CMDS = $(addprefix frostfs-, $(notdir $(wildcard cmd/*)))
 BINS = $(addprefix $(BINDIR)/, $(CMDS))
 
+GOFLAGS ?=
+
 # Variables for docker
 REPO_BASENAME = $(shell basename `go list -m`)
 HUB_IMAGE ?= "truecloudlab/$(REPO_BASENAME)"
@@ -44,6 +46,7 @@ all: $(BINS)
 $(BINS): $(BINDIR) dep
 	@echo "⇒ Build $@"
 	CGO_ENABLED=0 \
+	GOFLAGS=$(GOFLAGS) \
 	go build -v -trimpath \
 	-ldflags "-X $(REPO)/internal/version.Version=$(VERSION)" \
 	-o $@ ./cmd/$(subst frostfs-,,$(notdir $@))
@@ -70,7 +73,7 @@ docker/%:
 		  -w /src \
 		  -u `stat -c "%u:%g" .` \
 		  --env HOME=/src \
-		  golang:$(GO_VERSION) make $*,\
+		  golang:$(GO_VERSION) make GOFLAGS=$(GOFLAGS) $*,\
 	  	@echo "supported docker targets: all $(BINS) lint")
 
 # Run tests
@@ -121,6 +124,7 @@ image:
 	@docker build \
 		--build-arg REPO=$(REPO) \
 		--build-arg VERSION=$(VERSION) \
+		--build-arg GOFLAGS=$(GOFLAGS) \
 		--rm \
 		-f .docker/Dockerfile \
 		-t $(HUB_IMAGE):$(HUB_TAG) .

api/auth/center.go

@@ -22,8 +22,8 @@ import (
 	"github.com/aws/aws-sdk-go/aws/credentials"
 )
 
-// authorizationFieldRegexp -- is regexp for credentials with Base58 encoded cid and oid and '0' (zero) as delimiter.
+// AuthorizationFieldRegexp -- is regexp for credentials with Base58 encoded cid and oid and '0' (zero) as delimiter.
-var authorizationFieldRegexp = regexp.MustCompile(`AWS4-HMAC-SHA256 Credential=(?P<access_key_id>[^/]+)/(?P<date>[^/]+)/(?P<region>[^/]*)/(?P<service>[^/]+)/aws4_request,\s*SignedHeaders=(?P<signed_header_fields>.+),\s*Signature=(?P<v4_signature>.+)`)
+var AuthorizationFieldRegexp = regexp.MustCompile(`AWS4-HMAC-SHA256 Credential=(?P<access_key_id>[^/]+)/(?P<date>[^/]+)/(?P<region>[^/]*)/(?P<service>[^/]+)/aws4_request,\s*SignedHeaders=(?P<signed_header_fields>.+),\s*Signature=(?P<v4_signature>.+)`)
 
 // postPolicyCredentialRegexp -- is regexp for credentials when uploading file using POST with policy.
 var postPolicyCredentialRegexp = regexp.MustCompile(`(?P<access_key_id>[^/]+)/(?P<date>[^/]+)/(?P<region>[^/]*)/(?P<service>[^/]+)/aws4_request`)
@@ -85,7 +85,7 @@ var ContentSHA256HeaderStandardValue = map[string]struct{}{
 func New(creds tokens.Credentials, prefixes []string) *Center {
 	return &Center{
 		cli:                        creds,
-		reg:                        NewRegexpMatcher(authorizationFieldRegexp),
+		reg:                        NewRegexpMatcher(AuthorizationFieldRegexp),
 		postReg:                    NewRegexpMatcher(postPolicyCredentialRegexp),
 		allowedAccessKeyIDPrefixes: prefixes,
 	}

api/auth/center_test.go

@@ -32,7 +32,7 @@ func TestAuthHeaderParse(t *testing.T) {
 	defaultHeader := "AWS4-HMAC-SHA256 Credential=oid0cid/20210809/us-east-1/s3/aws4_request, SignedHeaders=host;x-amz-content-sha256;x-amz-date, Signature=2811ccb9e242f41426738fb1f"
 
 	center := &Center{
-		reg: NewRegexpMatcher(authorizationFieldRegexp),
+		reg: NewRegexpMatcher(AuthorizationFieldRegexp),
 	}
 
 	for _, tc := range []struct {

api/auth/presign_test.go

@@ -85,7 +85,7 @@ func TestCheckSign(t *testing.T) {
 
 	c := &Center{
 		cli:     mock,
-		reg:     NewRegexpMatcher(authorizationFieldRegexp),
+		reg:     NewRegexpMatcher(AuthorizationFieldRegexp),
 		postReg: NewRegexpMatcher(postPolicyCredentialRegexp),
 	}
 	box, err := c.Authenticate(req)

api/middleware/constants.go

@@ -107,3 +107,9 @@ const (
 	PartNumberQuery     = "partNumber"
 	LegalHoldQuery      = "legal-hold"
 )
+
+const (
+	StdoutPath = "stdout"
+	StderrPath = "stderr"
+	SinkName   = "lumberjack"
+)

api/middleware/log_http.go

@@ -0,0 +1,245 @@
+//go:build loghttp
+
+package middleware
+
+import (
+	"bytes"
+	"io"
+	"net/http"
+	"os"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/internal/logs"
+	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/pkg/detector"
+	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/pkg/xmlutils"
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+	"gopkg.in/natefinch/lumberjack.v2"
+)
+
+type (
+	LogHTTPSettings interface {
+		LogHTTPConfig() LogHTTPConfig
+	}
+	LogHTTPConfig struct {
+		Enabled    bool
+		MaxBody    int64
+		MaxLogSize int
+		OutputPath string
+		UseGzip    bool
+		log        *httpLogger
+	}
+	httpLogger struct {
+		*zap.Logger
+		logRoller *lumberjack.Logger
+	}
+	// Implementation of zap.Sink for using lumberjack.
+	lumberjackSink struct {
+		*lumberjack.Logger
+	}
+	// responseReadWriter helps read http response body.
+	responseReadWriter struct {
+		http.ResponseWriter
+		response   *bytes.Buffer
+		statusCode int
+	}
+)
+
+const (
+	payloadLabel  = "payload"
+	responseLabel = "response"
+)
+
+func (lumberjackSink) Sync() error {
+	return nil
+}
+
+func (lc *LogHTTPConfig) InitHTTPLogger(log *zap.Logger) {
+	if err := lc.initHTTPLogger(); err != nil {
+		log.Error(logs.FailedToInitializeHTTPLogger, zap.Error(err))
+	}
+}
+
+// initHTTPLogger returns registers zap sink and returns new httpLogger.
+func (lc *LogHTTPConfig) initHTTPLogger() (err error) {
+	lc.log = &httpLogger{
+		Logger:    zap.NewNop(),
+		logRoller: &lumberjack.Logger{},
+	}
+	c := newLoggerConfig()
+	lc.log.Logger, err = c.Build()
+	if err != nil {
+		return err
+	}
+	lc.setLogOutput()
+
+	return nil
+}
+
+// newLoggerConfig creates new zap.Config with disabled base fields.
+func newLoggerConfig() zap.Config {
+	c := zap.NewProductionConfig()
+	c.DisableCaller = true
+	c.DisableStacktrace = true
+	c.EncoderConfig = newEncoderConfig()
+	c.Sampling = nil
+
+	return c
+}
+
+func (lc *LogHTTPConfig) setLogOutput() {
+	var output zapcore.WriteSyncer
+	switch lc.OutputPath {
+	case "", StdoutPath:
+		output = zapcore.AddSync(os.Stdout)
+	case StderrPath:
+		output = zapcore.AddSync(os.Stderr)
+	default:
+		output = zapcore.AddSync(&lumberjack.Logger{
+			Filename: lc.OutputPath,
+			MaxSize:  lc.MaxLogSize,
+			Compress: lc.UseGzip,
+		})
+	}
+
+	// create logger with new sync
+	lc.log.Logger = lc.log.Logger.WithOptions(zap.WrapCore(func(core zapcore.Core) zapcore.Core {
+		return zapcore.NewCore(zapcore.NewJSONEncoder(newEncoderConfig()), output, zapcore.InfoLevel)
+	}))
+}
+
+func newEncoderConfig() zapcore.EncoderConfig {
+	c := zap.NewProductionEncoderConfig()
+	c.MessageKey = zapcore.OmitKey
+	c.LevelKey = zapcore.OmitKey
+	c.TimeKey = zapcore.OmitKey
+	c.FunctionKey = zapcore.OmitKey
+
+	return c
+}
+
+func (ww *responseReadWriter) Write(data []byte) (int, error) {
+	ww.response.Write(data)
+	return ww.ResponseWriter.Write(data)
+}
+
+func (ww *responseReadWriter) WriteHeader(code int) {
+	ww.statusCode = code
+	ww.ResponseWriter.WriteHeader(code)
+}
+
+func (ww *responseReadWriter) Flush() {
+	if f, ok := ww.ResponseWriter.(http.Flusher); ok {
+		f.Flush()
+	}
+}
+
+// LogHTTP logs http parameters from s3 request.
+func LogHTTP(l *zap.Logger, settings LogHTTPSettings) Func {
+	return func(h http.Handler) http.Handler {
+		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			config := settings.LogHTTPConfig()
+			if !config.Enabled || config.log == nil {
+				h.ServeHTTP(w, r)
+				return
+			}
+
+			httplog := config.log.getHTTPLogger(r).
+				withFieldIfExist("query", r.URL.Query()).
+				withFieldIfExist("headers", r.Header)
+
+			payload := getBody(r.Body, l)
+			r.Body = io.NopCloser(bytes.NewReader(payload))
+
+			payloadReader := io.LimitReader(bytes.NewReader(payload), config.MaxBody)
+			httplog = httplog.withProcessedBody(payloadLabel, payloadReader, l)
+
+			wr := newResponseReadWriter(w)
+			h.ServeHTTP(wr, r)
+
+			respReader := io.LimitReader(wr.response, config.MaxBody)
+			httplog = httplog.withProcessedBody(responseLabel, respReader, l)
+			httplog = httplog.with(zap.Int("status", wr.statusCode))
+
+			httplog.Info(logs.LogHTTP)
+		})
+	}
+}
+
+// withFieldIfExist checks whether data is not empty and attach it to log output.
+func (lg *httpLogger) withFieldIfExist(label string, data map[string][]string) *httpLogger {
+	if len(data) != 0 {
+		return lg.with(zap.Any(label, data))
+	}
+	return lg
+}
+
+func (lg *httpLogger) with(fields ...zap.Field) *httpLogger {
+	return &httpLogger{
+		Logger:    lg.Logger.With(fields...),
+		logRoller: lg.logRoller,
+	}
+}
+
+func (lg *httpLogger) getHTTPLogger(r *http.Request) *httpLogger {
+	return lg.with(
+		zap.String("from", r.RemoteAddr),
+		zap.String("URI", r.RequestURI),
+		zap.String("method", r.Method),
+		zap.String("protocol", r.Proto),
+	)
+}
+
+func (lg *httpLogger) withProcessedBody(label string, bodyReader io.Reader, l *zap.Logger) *httpLogger {
+	resp, err := processBody(bodyReader)
+	if err != nil {
+		l.Error(logs.FailedToProcessHTTPBody,
+			zap.Error(err),
+			zap.String("body type", payloadLabel))
+		return lg
+	}
+
+	return lg.with(zap.ByteString(label, resp))
+}
+
+func newResponseReadWriter(w http.ResponseWriter) *responseReadWriter {
+	return &responseReadWriter{
+		ResponseWriter: w,
+		response:       &bytes.Buffer{},
+	}
+}
+
+func getBody(httpBody io.ReadCloser, l *zap.Logger) []byte {
+	defer func(httpBody io.ReadCloser) {
+		if err := httpBody.Close(); err != nil {
+			l.Error(logs.FailedToCloseHTTPBody, zap.Error(err))
+		}
+	}(httpBody)
+
+	body, err := io.ReadAll(httpBody)
+	if err != nil {
+		l.Error(logs.FailedToReadHTTPBody,
+			zap.Error(err),
+			zap.String("body type", payloadLabel))
+		return nil
+	}
+	return body
+}
+
+// processBody reads body and base64 encode it if it's not XML.
+func processBody(bodyReader io.Reader) ([]byte, error) {
+	resultBody := &bytes.Buffer{}
+	detect := detector.NewDetector(bodyReader, xmlutils.DetectXML)
+	dataType, err := detect.Detect()
+	if err != nil {
+		return nil, err
+	}
+	writer := xmlutils.ChooseWriter(dataType, resultBody)
+	if _, err = io.Copy(writer, detect.RestoredReader()); err != nil {
+		return nil, err
+	}
+	if err = writer.Close(); err != nil {
+		return nil, err
+	}
+
+	return resultBody.Bytes(), nil
+}

api/middleware/log_http_stub.go

@@ -0,0 +1,36 @@
+//go:build !loghttp
+
+package middleware
+
+import (
+	"net/http"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/internal/logs"
+	"go.uber.org/zap"
+)
+
+type (
+	LogHTTPSettings interface {
+		LogHTTPConfig() LogHTTPConfig
+	}
+	LogHTTPConfig struct {
+		Enabled    bool
+		MaxBody    int64
+		MaxLogSize int
+		OutputPath string
+		UseGzip    bool
+	}
+)
+
+func LogHTTP(l *zap.Logger, _ LogHTTPSettings) Func {
+	l.Warn(logs.LogHTTPDisabledInThisBuild)
+	return func(h http.Handler) http.Handler {
+		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			h.ServeHTTP(w, r)
+		})
+	}
+}
+
+func (*LogHTTPConfig) InitHTTPLogger(*zap.Logger) {
+	// ignore
+}

api/router.go

@@ -99,6 +99,7 @@ type Settings interface {
 	s3middleware.PolicySettings
 	s3middleware.MetricsSettings
 	s3middleware.VHSSettings
+	s3middleware.LogHTTPSettings
 }
 
 type FrostFSID interface {
@@ -127,7 +128,9 @@ type Config struct {
 
 func NewRouter(cfg Config) *chi.Mux {
 	api := chi.NewRouter()
+
 	api.Use(
+		s3middleware.LogHTTP(cfg.Log, cfg.MiddlewareSettings),
 		s3middleware.Request(cfg.Log, cfg.MiddlewareSettings),
 		middleware.ThrottleWithOpts(cfg.Throttle),
 		middleware.Recoverer,

api/router_mock_test.go

@@ -80,6 +80,7 @@ type middlewareSettingsMock struct {
 	domains              []string
 	vhsEnabled           bool
 	vhsNamespacesEnabled map[string]bool
+	logHTTP              middleware.LogHTTPConfig
 }
 
 func (r *middlewareSettingsMock) SourceIPHeader() string {
@@ -117,6 +118,9 @@ func (r *middlewareSettingsMock) ServernameHeader() string {
 func (r *middlewareSettingsMock) VHSNamespacesEnabled() map[string]bool {
 	return r.vhsNamespacesEnabled
 }
+func (r *middlewareSettingsMock) LogHTTPConfig() middleware.LogHTTPConfig {
+	return r.logHTTP
+}
 
 type frostFSIDMock struct {
 	tags            map[string]string

cmd/s3-gw/app.go

@@ -87,6 +87,7 @@ type (
 
 	appSettings struct {
 		logLevel            zap.AtomicLevel
+		httpLogging         s3middleware.LogHTTPConfig
 		maxClient           maxClientsConfig
 		defaultMaxAge       int
 		reconnectInterval   time.Duration
@@ -217,6 +218,7 @@ func (a *App) initLayer(ctx context.Context) {
 func newAppSettings(log *Logger, v *viper.Viper) *appSettings {
 	settings := &appSettings{
 		logLevel:            log.lvl,
+		httpLogging:         s3middleware.LogHTTPConfig{},
 		maxClient:           newMaxClients(v),
 		defaultMaxAge:       fetchDefaultMaxAge(v, log.logger),
 		reconnectInterval:   fetchReconnectInterval(v),
@@ -252,10 +254,22 @@ func (s *appSettings) update(v *viper.Viper, log *zap.Logger) {
 	vhsHeader := v.GetString(cfgVHSHeader)
 	servernameHeader := v.GetString(cfgServernameHeader)
 	vhsNamespacesEnabled := s.prepareVHSNamespaces(v, log)
+	httpLoggingEnabled := v.GetBool(cfgHTTPLoggingEnabled)
+	httpLoggingMaxBody := v.GetInt64(cfgHTTPLoggingMaxBody)
+	httpLoggingMaxLogSize := v.GetInt(cfgHTTPLoggingMaxLogSize)
+	httpLoggingOutputPath := v.GetString(cfgHTTPLoggingDestination)
+	httpLoggingUseGzip := v.GetBool(cfgHTTPLoggingGzip)
 
 	s.mu.Lock()
 	defer s.mu.Unlock()
 
+	s.httpLogging.Enabled = httpLoggingEnabled
+	s.httpLogging.MaxBody = httpLoggingMaxBody
+	s.httpLogging.MaxLogSize = httpLoggingMaxLogSize
+	s.httpLogging.OutputPath = httpLoggingOutputPath
+	s.httpLogging.UseGzip = httpLoggingUseGzip
+	s.httpLogging.InitHTTPLogger(log)
+
 	s.namespaceHeader = namespaceHeader
 	s.defaultNamespaces = defaultNamespaces
 	s.namespaces = nsConfig.Namespaces
@@ -362,6 +376,13 @@ func (s *appSettings) DefaultCopiesNumbers(namespace string) []uint32 {
 	return s.namespaces[namespace].CopiesNumbers[defaultConstraintName]
 }
 
+func (s *appSettings) LogHTTPConfig() s3middleware.LogHTTPConfig {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+
+	return s.httpLogging
+}
+
 func (s *appSettings) NewXMLDecoder(r io.Reader) *xml.Decoder {
 	dec := xml.NewDecoder(r)
 	dec.CharsetReader = func(charset string, reader io.Reader) (io.Reader, error) {

cmd/s3-gw/app_settings.go

@@ -81,6 +81,14 @@ const ( // Settings.
 	cfgLoggerLevel       = "logger.level"
 	cfgLoggerDestination = "logger.destination"
 
+	// HttpLogging.
+	cfgHTTPLoggingEnabled     = "http_logging.enabled"
+	cfgHTTPLoggingMaxBody     = "http_logging.max_body"
+	cfgHTTPLoggingMaxLogSize  = "http_logging.max_log_size"
+	cfgHTTPLoggingDestination = "http_logging.destination"
+	cfgHTTPLoggingGzip        = "http_logging.gzip"
+	cfgHTTPLoggingLogResponse = "http_logging.log_response"
+
 	// Wallet.
 	cfgWalletPath       = "wallet.path"
 	cfgWalletAddress    = "wallet.address"
@@ -779,6 +787,14 @@ func newSettings() *viper.Viper {
 	v.SetDefault(cfgLoggerLevel, "debug")
 	v.SetDefault(cfgLoggerDestination, "stdout")
 
+	// http logger
+	v.SetDefault(cfgHTTPLoggingEnabled, false)
+	v.SetDefault(cfgHTTPLoggingMaxBody, 1024)
+	v.SetDefault(cfgHTTPLoggingMaxLogSize, 50)
+	v.SetDefault(cfgHTTPLoggingDestination, "stdout")
+	v.SetDefault(cfgHTTPLoggingGzip, false)
+	v.SetDefault(cfgHTTPLoggingLogResponse, true)
+
 	// pool:
 	v.SetDefault(cfgPoolErrorThreshold, defaultPoolErrorThreshold)
 	v.SetDefault(cfgStreamTimeout, defaultStreamTimeout)

cmd/s3-playback/modules/run.go

@@ -0,0 +1,208 @@
+package modules
+
+import (
+	"bufio"
+	"bytes"
+	"context"
+	"crypto/md5"
+	"crypto/sha256"
+	"crypto/tls"
+	"encoding/base64"
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"strconv"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api"
+	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/auth"
+	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/cmd/s3-playback/internal/playback"
+	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/pkg/detector"
+	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/pkg/xmlutils"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+const (
+	cfgPrintResponseLimit = "print-response-limit"
+	cfgLogPath            = "log"
+	cfgEndpoint           = "endpoint"
+	awsAccessKey          = "credentials.access_key"
+	awsSecretKey          = "credentials.secret_key"
+)
+
+var runCmd = &cobra.Command{
+	Use:     "run",
+	Short:   "Send requests from log file",
+	Long:    "Reads the network log file and sends each request to the specified URL",
+	Example: "frostfs-s3-playback --config <config_path> run [--endpoint=<endpoint>] [--log=<log_path>]",
+	PersistentPreRunE: func(cmd *cobra.Command, _ []string) (err error) {
+		viper.SetDefault(cfgPrintResponseLimit, defaultPrintResponseLimit)
+		return viper.BindPFlags(cmd.Flags())
+	},
+	RunE: run,
+}
+
+func init() {
+	runCmd.Flags().String(cfgLogPath, "./request.log", "log file path")
+	runCmd.Flags().String(cfgEndpoint, "", "endpoint URL")
+	runCmd.Flags().Int(cfgPrintResponseLimit, defaultPrintResponseLimit, "print limit for http response body")
+}
+
+func logResponse(cmd *cobra.Command, r *http.Request, resp *http.Response) {
+	cmd.Println(r.Method, r.URL.RequestURI())
+	cmd.Println(resp.Status)
+	if resp.ContentLength == 0 {
+		return
+	}
+	detect := detector.NewDetector(resp.Body, xmlutils.DetectXML)
+	dataType, err := detect.Detect()
+	if err != nil {
+		cmd.PrintErrln("type detection error:", err.Error())
+		return
+	}
+	body := &bytes.Buffer{}
+	resultWriter := xmlutils.ChooseWriter(dataType, body)
+	_, err = io.Copy(resultWriter, io.LimitReader(detect.RestoredReader(), viper.GetInt64(cfgPrintResponseLimit)))
+	if err != nil {
+		cmd.Println(err)
+		return
+	}
+	if err = resultWriter.Close(); err != nil {
+		cmd.Printf("could not close response body: %s\n", err)
+		return
+	}
+
+	cmd.Println(body.String())
+	cmd.Println()
+}
+
+func run(cmd *cobra.Command, _ []string) error {
+	ctx := cmd.Context()
+	settings := &playback.Settings{
+		Endpoint: viper.GetString(cfgEndpoint),
+		Creds: playback.Credentials{
+			AccessKey: viper.GetString(awsAccessKey),
+			SecretKey: viper.GetString(awsSecretKey),
+		},
+		Multiparts: make(map[string]playback.MultipartUpload),
+		Client: &http.Client{
+			Transport: http.DefaultTransport,
+			Timeout:   viper.GetDuration(cfgHTTPTimeoutFlag),
+		},
+	}
+
+	file, err := os.Open(viper.GetString(cfgLogPath))
+	if err != nil {
+		return err
+	}
+	defer file.Close()
+
+	reader := bufio.NewReader(file)
+
+	if viper.GetBool(cfgSkipVerifyTLS) {
+		settings.Client.Transport.(*http.Transport).TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
+	}
+
+	id := 1
+	for {
+		logReq, err := getRequestFromLog(reader)
+		if err != nil {
+			if err == io.EOF {
+				break
+			}
+			cmd.PrintErrln(strconv.Itoa(id)+")", "failed to parse request", err)
+			id++
+			continue
+		}
+
+		select {
+		case <-ctx.Done():
+			return fmt.Errorf("interrupted: %w", ctx.Err())
+		default:
+			r, resp, err := playbackRequest(ctx, logReq, settings)
+			if err != nil {
+				cmd.PrintErrln(strconv.Itoa(id)+")", "failed to playback request:", err)
+				id++
+				continue
+			}
+			cmd.Print(strconv.Itoa(id) + ") ")
+			logResponse(cmd, r, resp)
+			id++
+		}
+	}
+
+	return nil
+}
+
+func getRequestFromLog(reader *bufio.Reader) (playback.LoggedRequest, error) {
+	var logReq playback.LoggedRequest
+	req, err := reader.ReadString('\n')
+	if err != nil {
+		return logReq, err
+	}
+
+	err = json.Unmarshal([]byte(req), &logReq)
+	if err != nil {
+		return logReq, err
+	}
+
+	return logReq, nil
+}
+
+// playbackRequest creates http.Request from LoggedRequest and sends it to specified endpoint.
+func playbackRequest(ctx context.Context, logReq playback.LoggedRequest, settings *playback.Settings) (*http.Request, *http.Response, error) {
+	r, err := prepareRequest(ctx, logReq, settings)
+	if err != nil {
+		return nil, nil, fmt.Errorf("failed to prepare request: %w", err)
+	}
+	resp, err := settings.Client.Do(r)
+	if err != nil {
+		return nil, nil, fmt.Errorf("failed to send request: %w", err)
+	}
+
+	respBody, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, nil, fmt.Errorf("failed to read response body: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if err = playback.HandleResponse(r, settings.Multiparts, respBody, logReq.Response); err != nil {
+		return nil, nil, fmt.Errorf("failed to register multipart upload: %w", err)
+	}
+	resp.Body = io.NopCloser(bytes.NewBuffer(respBody))
+
+	return r, resp, nil
+}
+
+// prepareRequest creates request from logs and modifies its signature and uploadId (if presents).
+func prepareRequest(ctx context.Context, logReq playback.LoggedRequest, settings *playback.Settings) (*http.Request, error) {
+	r, err := http.NewRequestWithContext(ctx, logReq.Method, settings.Endpoint+logReq.URI, bytes.NewReader(logReq.Payload))
+	if err != nil {
+		return nil, err
+	}
+	r.Header = logReq.Header
+	sha256hash := sha256.New()
+	sha256hash.Write(logReq.Payload)
+	r.Header.Set(auth.AmzContentSHA256, hex.EncodeToString(sha256hash.Sum(nil)))
+	if r.Header.Get(api.ContentMD5) != "" {
+		sha256hash.Reset()
+		md5hash := md5.New()
+		md5hash.Write(logReq.Payload)
+		r.Header.Set(api.ContentMD5, base64.StdEncoding.EncodeToString(md5hash.Sum(nil)))
+	}
+	if r.URL.Query().Has("uploadId") {
+		if err = playback.SwapUploadID(r, settings); err != nil {
+			return nil, err
+		}
+	}
+	if r.Header.Get(auth.AuthorizationHdr) != "" {
+		if err = playback.Sign(ctx, r, settings.Creds); err != nil {
+			return nil, err
+		}
+	}
+
+	return r, nil
+}

config/config.env

@@ -52,6 +52,17 @@ S3_GW_CONFIG=/path/to/config/yaml
 # Logger
 S3_GW_LOGGER_LEVEL=debug
 
+# HTTP logger
+S3_GW_HTTP_LOGGING_ENABLED=false
+# max body size to log
+S3_GW_HTTP_LOGGING_MAX_BODY=1024
+# max log size in Mb
+S3_GW_HTTP_LOGGING_MAX_LOG_SIZE: 20
+# use log compression
+S3_GW_HTTP_LOGGING_GZIP=true
+# possible destination output values: filesystem path, url, "stdout", "stderr"
+S3_GW_HTTP_LOGGING_DESTINATION=stdout
+
 # RPC endpoint and order of resolving of bucket names
 S3_GW_RPC_ENDPOINT=http://morph-chain.frostfs.devenv:30333/
 S3_GW_RESOLVE_ORDER="nns dns"

config/config.yaml

@@ -56,6 +56,18 @@ logger:
   level: debug
   destination: stdout
 
+# log http request data (URI, headers, query, etc)
+http_logging:
+  enabled: false
+  # max body size to log
+  max_body: 1024
+  # max log size in Mb
+  max_log_size: 20
+  # use log compression
+  gzip: true
+  # possible output values: filesystem path, url, "stdout", "stderr"
+  destination: stdout
+  
 # RPC endpoint and order of resolving of bucket names
 rpc_endpoint: http://morph-chain.frostfs.devenv:30333
 resolve_order:

docs/configuration.md

@@ -176,6 +176,7 @@ There are some custom types used for brevity:
 | `placement_policy` | [Placement policy configuration](#placement_policy-section)    |
 | `server`           | [Server configuration](#server-section)                        |
 | `logger`           | [Logger configuration](#logger-section)                        |
+| `http_logging`     | [HTTP Request logger configuration](#http_logging-section)     |
 | `cache`            | [Cache configuration](#cache-section)                          |
 | `cors`             | [CORS configuration](#cors-section)                            |
 | `pprof`            | [Pprof configuration](#pprof-section)                          |
@@ -376,6 +377,29 @@ logger:
 | `level`       | `string` | yes           | `debug`       | Logging level.<br/>Possible values:  `debug`, `info`, `warn`, `error`, `dpanic`, `panic`, `fatal`. |
 | `destination` | `string` | no            | `stdout`      | Destination for logger: `stdout` or `journald`                                                     |
 
+
+### `http_logging` section
+
+```yaml
+http_logging:
+  enabled: false
+  max_body: 1024
+  max_log_size: 20
+  gzip: true
+  destination: stdout
+  log_response: true
+```
+
+| Parameter      | Type     | SIGHUP reload | Default value | Description                                                                                                                                                                                 |
+|----------------|----------|---------------|---------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| `enabled`      | `bool`   | yes           | `false`       | Flag to enable the logger.                                                                                                                                                                  |
+| `max_body`     | `int`    | yes           | `1024`        | Max body size for log output in bytes.                                                                                                                                                      |
+| `max_log_size` | `int`    | yes           | `50`          | Log file size threshold (in megabytes) to be moved in backup file. After reaching  threshold, initial filename is appended with timestamp. And new empty file with initial name is created. |
+| `gzip`         | `bool`   | yes           | `false`       | Whether to enable Gzip compression to backup log files.                                                                                                                                     |
+| `destination`  | `string` | yes           | `stdout`      | Specify path for log output. Accepts log file path, or "stdout" and "stderr" reserved words to print in output streams. File and folders are created if necessary.                          |
+| `log_response` | bool   | yes           | true          | Whether to attach response body to the log.                                                                                                                                                 |
+
+
 ### `cache` section
 
 ```yaml
@@ -743,7 +767,7 @@ vhs:
 ```
 
 | Parameter           | Type              | SIGHUP reload | Default value          | Description                                                                                                                                                                                               |
-| ------------------- | ----------------- | ------------- | ---------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+|---------------------|-------------------|---------------|------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | `enabled`           | `bool`            | yes           | `false`                | Enables the use of virtual host addressing for buckets at the application level.                                                                                                                          |
 | `vhs_header`        | `string`          | yes           | `X-Frostfs-S3-VHS`     | Header for determining whether VHS is enabled for the request.                                                                                                                                            |
 | `servername_header` | `string`          | yes           | `X-Frostfs-Servername` | Header for determining servername.                                                                                                                                                                        |

go.mod

@@ -20,7 +20,7 @@ require (
 	github.com/panjf2000/ants/v2 v2.5.0
 	github.com/prometheus/client_golang v1.19.0
 	github.com/prometheus/client_model v0.5.0
-	github.com/spf13/cobra v1.7.0
+	github.com/spf13/cobra v1.8.1
 	github.com/spf13/pflag v1.0.5
 	github.com/spf13/viper v1.15.0
 	github.com/ssgreg/journald v1.0.0
@@ -36,6 +36,7 @@ require (
 	golang.org/x/text v0.14.0
 	google.golang.org/grpc v1.63.2
 	google.golang.org/protobuf v1.33.0
+	gopkg.in/natefinch/lumberjack.v2 v2.2.1
 )
 
 require (
@@ -49,7 +50,7 @@ require (
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cenkalti/backoff/v4 v4.2.1 // indirect
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
-	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.4 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0 // indirect
 	github.com/fsnotify/fsnotify v1.6.0 // indirect

go.sum

@@ -100,8 +100,8 @@ github.com/consensys/bavard v0.1.13/go.mod h1:9ItSMtA/dXMAiL7BG6bqW2m3NdSEObYWoH
 github.com/consensys/gnark-crypto v0.12.2-0.20231013160410-1f65e75b6dfb h1:f0BMgIjhZy4lSRHCXFbQst85f5agZAjtDMixQqBWNpc=
 github.com/consensys/gnark-crypto v0.12.2-0.20231013160410-1f65e75b6dfb/go.mod h1:v2Gy7L/4ZRosZ7Ivs+9SfUDr0f5UlG+EM5t7MPHiLuY=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
-github.com/cpuguy83/go-md2man/v2 v2.0.2 h1:p1EgwI/C7NhT0JmVkwCD2ZBK8j4aeHQX2pMHHBfMQ6w=
+github.com/cpuguy83/go-md2man/v2 v2.0.4 h1:wfIWP927BUkWJb2NmU/kNDYIBTh/ziUX91+lVfRxZq4=
-github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/cpuguy83/go-md2man/v2 v2.0.4/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -295,8 +295,8 @@ github.com/spf13/afero v1.9.3 h1:41FoI0fD7OR7mGcKE/aOiLkGreyf8ifIOQmJANWogMk=
 github.com/spf13/afero v1.9.3/go.mod h1:iUV7ddyEEZPO5gA3zD4fJt6iStLlL+Lg4m2cihcDf8Y=
 github.com/spf13/cast v1.5.0 h1:rj3WzYc11XZaIZMPKmwP96zkFEnnAmV8s6XbB2aY32w=
 github.com/spf13/cast v1.5.0/go.mod h1:SpXXQ5YoyJw6s3/6cMTQuxvgRl3PCJiyaX9p6b155UU=
-github.com/spf13/cobra v1.7.0 h1:hyqWnYt1ZQShIddO5kBpj3vu05/++x6tJ6dg8EC572I=
+github.com/spf13/cobra v1.8.1 h1:e5/vxKd/rZsfSJMUX1agtjeTDf+qv1/JdBF8gg5k9ZM=
-github.com/spf13/cobra v1.7.0/go.mod h1:uLxZILRyS/50WlhOIKD7W6V5bgeIt+4sICxh6uRMrb0=
+github.com/spf13/cobra v1.8.1/go.mod h1:wHxEcudfqmLYa8iTfL+OuZPbBZkmvliBWKIezN3kD9Y=
 github.com/spf13/jwalterweatherman v1.1.0 h1:ue6voC5bR5F8YxI5S67j9i582FU4Qvo2bmqnqMYADFk=
 github.com/spf13/jwalterweatherman v1.1.0/go.mod h1:aNWZUN0dPAAO/Ljvb5BEdw96iTZ0EXowPYD95IqWIGo=
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
@@ -707,6 +707,8 @@ gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/ini.v1 v1.67.0 h1:Dgnx+6+nfE+IfzjUEISNeydPJh9AXNNsWbGP9KzCsOA=
 gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/natefinch/lumberjack.v2 v2.2.1 h1:bBRl1b0OH9s/DuPhuXpNl+VtCaJXFZ5/uEFST95x9zc=
+gopkg.in/natefinch/lumberjack.v2 v2.2.1/go.mod h1:YD8tP3GAjkrDg1eZH7EGmyESg/lsYskCTPBJVb9jqSc=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

internal/logs/logs.go

@@ -99,6 +99,13 @@ const (
 	FailedToPassAuthentication                           = "failed to pass authentication"                                                                     // Error in ../../api/middleware/auth.go
 	FailedToResolveCID                                   = "failed to resolve CID"                                                                             // Debug in ../../api/middleware/metrics.go
 	RequestStart                                         = "request start"                                                                                     // Info in ../../api/middleware/reqinfo.go
+	LogHTTP                                              = "http log"                                                                                          // Info in ../../api/middleware/log_http.go
+	FailedToCloseHTTPBody                                = "failed to close http body"                                                                         // Error in ../../api/middleware/log_http.go
+	FailedToInitializeHTTPLogger                         = "failed to initialize http logger"                                                                  // Error in ../../api/middleware/log_http.go
+	FailedToReloadHTTPFileLogger                         = "failed to reload http file logger"                                                                 // Error in ../../api/middleware/log_http.go
+	FailedToReadHTTPBody                                 = "failed to read http body"                                                                          // Error in ../../api/middleware/log_http.go
+	FailedToProcessHTTPBody                              = "failed to process http body"                                                                       // Error in ../../api/middleware/log_http.go
+	LogHTTPDisabledInThisBuild                           = "http logging disabled in this build"                                                               // Warn in ../../api/middleware/log_http_stub.go
 	FailedToUnescapeObjectName                           = "failed to unescape object name"                                                                    // Warn in ../../api/middleware/reqinfo.go
 	InvalidDefaultMaxAge                                 = "invalid defaultMaxAge"                                                                             // Fatal in ../../cmd/s3-gw/app_settings.go
 	CantShutDownService                                  = "can't shut down service"                                                                           // Panic in ../../cmd/s3-gw/service.go

pkg/xmlutils/xmlutils.go

@@ -0,0 +1,48 @@
+package xmlutils
+
+import (
+	"bytes"
+	"encoding/base64"
+	"encoding/xml"
+	"io"
+)
+
+type nopCloseWriter struct {
+	io.Writer
+}
+
+func (b nopCloseWriter) Close() error {
+	return nil
+}
+
+const (
+	nonXML  = "nonXML"
+	typeXML = "application/xml"
+)
+
+func DetectXML(data []byte) string {
+	token, err := xml.NewDecoder(bytes.NewReader(data)).RawToken()
+	if err != nil {
+		return nonXML
+	}
+
+	switch token.(type) {
+	case xml.StartElement, xml.ProcInst:
+		return typeXML
+	}
+	return nonXML
+}
+
+func ChooseWriter(dataType string, bodyWriter io.Writer) io.WriteCloser {
+	if dataType == typeXML {
+		return nopCloseWriter{bodyWriter}
+	}
+	return base64.NewEncoder(base64.StdEncoding, bodyWriter)
+}
+
+func ChooseReader(dataType string, bodyReader io.Reader) io.Reader {
+	if dataType == typeXML {
+		return bodyReader
+	}
+	return base64.NewDecoder(base64.StdEncoding, bodyReader)
+}