From 55806495242672ccf18e6bd96a73956bce61366f Mon Sep 17 00:00:00 2001 From: therealbobo Date: Fri, 11 Sep 2020 18:00:19 +0200 Subject: added support to http response body decoding --- connection_streams_controller.go | 8 +++++++- utils.go | 41 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 48 insertions(+), 1 deletion(-) diff --git a/connection_streams_controller.go b/connection_streams_controller.go index 251e842..000e3d4 100644 --- a/connection_streams_controller.go +++ b/connection_streams_controller.go @@ -110,9 +110,15 @@ func (csc ConnectionStreamsController) GetConnectionPayload(c context.Context, c } size := uint64(end - start) + content := DecodeBytes(serverStream.Payload[start:end], format.Format) + // check if is encoded + if format.Format == "default" { + content = DecodeHttpResponse(content) + } + payload = Payload{ FromClient: false, - Content: DecodeBytes(serverStream.Payload[start:end], format.Format), + Content: content, Index: start, Timestamp: serverStream.BlocksTimestamps[serverBlocksIndex], IsRetransmitted: serverStream.BlocksLoss[serverBlocksIndex], diff --git a/utils.go b/utils.go index a14fdca..e222b17 100644 --- a/utils.go +++ b/utils.go @@ -13,6 +13,12 @@ import ( "net" "os" "time" + //"net/textproto" + "net/http" + "bufio" + "strings" + "io/ioutil" + "compress/gzip" ) func Sha256Sum(fileName string) (string, error) { @@ -108,6 +114,41 @@ func DecodeBytes(buffer []byte, format string) string { } } +func DecodeHttpResponse(raw string) string { + var header string + trailer := "\n" + reader := bufio.NewReader(strings.NewReader(raw)) + resp,err := http.ReadResponse(reader, &http.Request{}) + if err != nil{ + log.Info("Reading response: ",resp) + return raw + trailer + } + + defer resp.Body.Close() + + if resp.StatusCode == http.StatusOK { + var bodyReader io.ReadCloser + switch resp.Header.Get("Content-Encoding") { + case "gzip": + bodyReader, err = gzip.NewReader(resp.Body) + if err != nil { + log.Error("Gunzipping body: ",err) + } + header = "\n[==== GUNZIPPED ====]\n" + trailer = "\n[===================]\n" + defer bodyReader.Close() + default: + bodyReader = resp.Body + } + body, err := ioutil.ReadAll(bodyReader) + if err != nil{ + log.Error("Reading body: ",err) + } + return raw + header + string(body) + trailer + } + return raw + trailer +} + func CopyFile(dst, src string) error { in, err := os.Open(src) if err != nil { -- cgit v1.2.3-70-g09d2 From d67d6c7b59c0454e0fdfdc3adcfd2064c9b1810e Mon Sep 17 00:00:00 2001 From: therealbobo Date: Sat, 12 Sep 2020 17:17:12 +0200 Subject: fixed scrollbar in connection-content class --- frontend/src/components/ConnectionContent.scss | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/frontend/src/components/ConnectionContent.scss b/frontend/src/components/ConnectionContent.scss index a1b4afd..5a17066 100644 --- a/frontend/src/components/ConnectionContent.scss +++ b/frontend/src/components/ConnectionContent.scss @@ -3,7 +3,7 @@ .connection-content { background-color: $color-primary-3; height: 100%; - overflow: auto; + overflow: fixed; pre { background-color: $color-primary-0; @@ -11,7 +11,7 @@ word-break: break-word; max-width: 100%; white-space: pre-wrap; - height: 100%; + height: 95%; } .from-client { -- cgit v1.2.3-70-g09d2 From 523ed67dc2d0f800efc68d414b37bb001535d3ee Mon Sep 17 00:00:00 2001 From: therealbobo Date: Sat, 12 Sep 2020 17:40:02 +0200 Subject: added decoded_content field --- connection_streams_controller.go | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/connection_streams_controller.go b/connection_streams_controller.go index 000e3d4..096210e 100644 --- a/connection_streams_controller.go +++ b/connection_streams_controller.go @@ -27,6 +27,7 @@ type PatternSlice [2]uint64 type Payload struct { FromClient bool `json:"from_client"` Content string `json:"content"` + DecodedContent string `json:"decoded_content"` Index int `json:"index"` Timestamp time.Time `json:"timestamp"` IsRetransmitted bool `json:"is_retransmitted"` @@ -92,6 +93,7 @@ func (csc ConnectionStreamsController) GetConnectionPayload(c context.Context, c payload = Payload{ FromClient: true, Content: DecodeBytes(clientStream.Payload[start:end], format.Format), + //Request: ReadRequest(content), Index: start, Timestamp: clientStream.BlocksTimestamps[clientBlocksIndex], IsRetransmitted: clientStream.BlocksLoss[clientBlocksIndex], @@ -111,14 +113,14 @@ func (csc ConnectionStreamsController) GetConnectionPayload(c context.Context, c size := uint64(end - start) content := DecodeBytes(serverStream.Payload[start:end], format.Format) - // check if is encoded - if format.Format == "default" { - content = DecodeHttpResponse(content) - } + + plainContent := DecodeBytes(serverStream.Payload[start:end], "default") + decodedContent := DecodeBytes([]byte(DecodeHttpResponse(plainContent)), format.Format) payload = Payload{ FromClient: false, Content: content, + DecodedContent: decodedContent, Index: start, Timestamp: serverStream.BlocksTimestamps[serverBlocksIndex], IsRetransmitted: serverStream.BlocksLoss[serverBlocksIndex], -- cgit v1.2.3-70-g09d2 From ad7e9226bac7524462755f5916b076408ebd86cb Mon Sep 17 00:00:00 2001 From: therealbobo Date: Sat, 12 Sep 2020 17:40:45 +0200 Subject: better decode handling --- utils.go | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++------------- 1 file changed, 54 insertions(+), 13 deletions(-) diff --git a/utils.go b/utils.go index e222b17..b07244d 100644 --- a/utils.go +++ b/utils.go @@ -13,7 +13,6 @@ import ( "net" "os" "time" - //"net/textproto" "net/http" "bufio" "strings" @@ -114,19 +113,52 @@ func DecodeBytes(buffer []byte, format string) string { } } +func ReadRequest(raw string) http.Request { + reader := bufio.NewReader(strings.NewReader(raw)) + req,err := http.ReadRequest(reader) + if err != nil{ + log.Info("Reading request: ",req) + return http.Request{} + } + return *req +} + +func GetHeader(raw string) string{ + tmp := strings.Split(raw,"\r\n") + end := len(tmp) + for i, line := range tmp{ + if line == ""{ + end = i + break + } + } + return strings.Join(tmp[:end],"\r\n") +} + +func GetBody(raw string) string{ + tmp := strings.Split(raw,"\r\n") + start := 0 + for i, line := range tmp{ + if line == ""{ + start = i + 2 + break + } + } + return strings.Join(tmp[start:],"\r\n") +} + func DecodeHttpResponse(raw string) string { - var header string - trailer := "\n" + body := []byte{} reader := bufio.NewReader(strings.NewReader(raw)) resp,err := http.ReadResponse(reader, &http.Request{}) if err != nil{ log.Info("Reading response: ",resp) - return raw + trailer + return "" } defer resp.Body.Close() - if resp.StatusCode == http.StatusOK { + if resp.StatusCode >= 200 && resp.StatusCode < 300 { var bodyReader io.ReadCloser switch resp.Header.Get("Content-Encoding") { case "gzip": @@ -134,19 +166,28 @@ func DecodeHttpResponse(raw string) string { if err != nil { log.Error("Gunzipping body: ",err) } - header = "\n[==== GUNZIPPED ====]\n" - trailer = "\n[===================]\n" defer bodyReader.Close() + body, err = ioutil.ReadAll(bodyReader) + if err != nil{ + log.Error("Reading gzipped body: ",err) + // if the response is malformed + // or the connection is closed + fallbackReader, _ := gzip.NewReader(strings.NewReader(GetBody(raw))) + body, err = ioutil.ReadAll(fallbackReader) + if err != nil{ + log.Error(string(body)) + } + } default: bodyReader = resp.Body + body, err = ioutil.ReadAll(bodyReader) + if err != nil{ + log.Error("Reading body: ",err) + body = []byte(GetBody(raw)) + } } - body, err := ioutil.ReadAll(bodyReader) - if err != nil{ - log.Error("Reading body: ",err) - } - return raw + header + string(body) + trailer } - return raw + trailer + return GetHeader(raw) + "\r\n\r\n"+ string(body) } func CopyFile(dst, src string) error { -- cgit v1.2.3-70-g09d2 From e7c2428e24d0fc6aebf524130531800a89332829 Mon Sep 17 00:00:00 2001 From: therealbobo Date: Sat, 12 Sep 2020 17:41:03 +0200 Subject: initial decoding support --- frontend/src/components/ConnectionContent.js | 29 +++++++++++++++++++++++++--- 1 file changed, 26 insertions(+), 3 deletions(-) diff --git a/frontend/src/components/ConnectionContent.js b/frontend/src/components/ConnectionContent.js index 905a56d..2100a68 100644 --- a/frontend/src/components/ConnectionContent.js +++ b/frontend/src/components/ConnectionContent.js @@ -1,6 +1,6 @@ import React, {Component} from 'react'; import './ConnectionContent.scss'; -import {Dropdown} from 'react-bootstrap'; +import {Dropdown, Button} from 'react-bootstrap'; import axios from 'axios'; class ConnectionContent extends Component { @@ -10,7 +10,8 @@ class ConnectionContent extends Component { this.state = { loading: false, connectionContent: null, - format: "default" + format: "default", + decoded: false, }; this.validFormats = ["default", "hex", "hexdump", "base32", "base64", "ascii", "binary", "decimal", "octal"]; @@ -37,6 +38,10 @@ class ConnectionContent extends Component { } } + toggleDecoded() { + this.setState({decoded: !this.state.decoded}); + } + render() { let content = this.state.connectionContent; @@ -46,7 +51,22 @@ class ConnectionContent extends Component { let payload = content.map((c, i) => - {c.content} + {c.from_client + ? +
{c.content}
+ : + <> + {c.decoded_content + ? + <> +
{c.content}
+
{c.decoded_content}
+ + : +
{c.content}
+ } + + } ); @@ -69,6 +89,9 @@ class ConnectionContent extends Component { decimal octal + + + -- cgit v1.2.3-70-g09d2 From 2954045cb28ea8cbf4dbd019355a2df8fed28ccc Mon Sep 17 00:00:00 2001 From: Emiliano Ciavatta Date: Tue, 15 Sep 2020 23:17:06 +0200 Subject: Refactor gzip decoder, added parsers with reproducers --- connection_streams_controller.go | 59 ++++++++++------ go.mod | 1 + go.sum | 2 + parsers/http_request_parser.go | 144 +++++++++++++++++++++++++++++++++++++++ parsers/http_response_parser.go | 72 ++++++++++++++++++++ parsers/parser.go | 28 ++++++++ parsers/parser_utils.go | 24 +++++++ utils.go | 82 ---------------------- 8 files changed, 310 insertions(+), 102 deletions(-) create mode 100644 parsers/http_request_parser.go create mode 100644 parsers/http_response_parser.go create mode 100644 parsers/parser.go create mode 100644 parsers/parser_utils.go diff --git a/connection_streams_controller.go b/connection_streams_controller.go index 096210e..3ba30f8 100644 --- a/connection_streams_controller.go +++ b/connection_streams_controller.go @@ -1,7 +1,9 @@ package main import ( + "bytes" "context" + "github.com/eciavatta/caronte/parsers" log "github.com/sirupsen/logrus" "time" ) @@ -25,13 +27,13 @@ type ConnectionStream struct { type PatternSlice [2]uint64 type Payload struct { - FromClient bool `json:"from_client"` - Content string `json:"content"` - DecodedContent string `json:"decoded_content"` - Index int `json:"index"` - Timestamp time.Time `json:"timestamp"` - IsRetransmitted bool `json:"is_retransmitted"` - RegexMatches []RegexSlice `json:"regex_matches"` + FromClient bool `json:"from_client"` + Content string `json:"content"` + Metadata parsers.Metadata `json:"metadata"` + Index int `json:"index"` + Timestamp time.Time `json:"timestamp"` + IsRetransmitted bool `json:"is_retransmitted"` + RegexMatches []RegexSlice `json:"regex_matches"` } type RegexSlice struct { @@ -56,8 +58,8 @@ func NewConnectionStreamsController(storage Storage) ConnectionStreamsController } func (csc ConnectionStreamsController) GetConnectionPayload(c context.Context, connectionID RowID, - format QueryFormat) []Payload { - payloads := make([]Payload, 0, InitialPayloadsSize) + format QueryFormat) []*Payload { + payloads := make([]*Payload, 0, InitialPayloadsSize) var clientIndex, serverIndex, globalIndex uint64 if format.Limit <= 0 { @@ -76,7 +78,11 @@ func (csc ConnectionStreamsController) GetConnectionPayload(c context.Context, c return serverBlocksIndex < len(serverStream.BlocksIndexes) } - var payload Payload + var payload *Payload + payloadsBuffer := make([]*Payload, 0, 16) + contentChunkBuffer := new(bytes.Buffer) + var lastContentSlice []byte + var sideChanged, lastClient, lastServer bool for !clientStream.ID.IsZero() || !serverStream.ID.IsZero() { if hasClientBlocks() && (!hasServerBlocks() || // next payload is from client clientStream.BlocksTimestamps[clientBlocksIndex].UnixNano() <= @@ -90,10 +96,9 @@ func (csc ConnectionStreamsController) GetConnectionPayload(c context.Context, c } size := uint64(end - start) - payload = Payload{ + payload = &Payload{ FromClient: true, Content: DecodeBytes(clientStream.Payload[start:end], format.Format), - //Request: ReadRequest(content), Index: start, Timestamp: clientStream.BlocksTimestamps[clientBlocksIndex], IsRetransmitted: clientStream.BlocksLoss[clientBlocksIndex], @@ -102,6 +107,9 @@ func (csc ConnectionStreamsController) GetConnectionPayload(c context.Context, c clientIndex += size globalIndex += size clientBlocksIndex++ + + lastContentSlice = clientStream.Payload[start:end] + sideChanged, lastClient, lastServer = lastServer, true, false } else { // next payload is from server start := serverStream.BlocksIndexes[serverBlocksIndex] end := 0 @@ -112,15 +120,9 @@ func (csc ConnectionStreamsController) GetConnectionPayload(c context.Context, c } size := uint64(end - start) - content := DecodeBytes(serverStream.Payload[start:end], format.Format) - - plainContent := DecodeBytes(serverStream.Payload[start:end], "default") - decodedContent := DecodeBytes([]byte(DecodeHttpResponse(plainContent)), format.Format) - - payload = Payload{ + payload = &Payload{ FromClient: false, - Content: content, - DecodedContent: decodedContent, + Content: DecodeBytes(serverStream.Payload[start:end], format.Format), Index: start, Timestamp: serverStream.BlocksTimestamps[serverBlocksIndex], IsRetransmitted: serverStream.BlocksLoss[serverBlocksIndex], @@ -129,12 +131,29 @@ func (csc ConnectionStreamsController) GetConnectionPayload(c context.Context, c serverIndex += size globalIndex += size serverBlocksIndex++ + + lastContentSlice = serverStream.Payload[start:end] + sideChanged, lastClient, lastServer = lastClient, false, true + } + + if sideChanged { + metadata := parsers.Parse(contentChunkBuffer.Bytes()) + for _, elem := range payloadsBuffer { + elem.Metadata = metadata + } + + payloadsBuffer = payloadsBuffer[:0] + contentChunkBuffer.Reset() } + payloadsBuffer = append(payloadsBuffer, payload) + contentChunkBuffer.Write(lastContentSlice) if globalIndex > format.Skip { + // problem: waste of time if the payload is discarded payloads = append(payloads, payload) } if globalIndex > format.Skip+format.Limit { + // problem: the last chunk is not parsed, but can be ok because it is not finished return payloads } diff --git a/go.mod b/go.mod index 1281ae8..308b16b 100644 --- a/go.mod +++ b/go.mod @@ -17,4 +17,5 @@ require ( go.mongodb.org/mongo-driver v1.3.1 golang.org/x/net v0.0.0-20190620200207-3b0461eec859 // indirect golang.org/x/sys v0.0.0-20200406155108-e3b113bbe6a4 // indirect + moul.io/http2curl v1.0.0 ) diff --git a/go.sum b/go.sum index d17dea6..fd63c39 100644 --- a/go.sum +++ b/go.sum @@ -179,3 +179,5 @@ gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI= gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10= gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +moul.io/http2curl v1.0.0 h1:6XwpyZOYsgZJrU8exnG87ncVkU1FVCcTRpwzOkTDUi8= +moul.io/http2curl v1.0.0/go.mod h1:f6cULg+e4Md/oW1cYmwW4IWQOVl2lGbmCNGOHvzX2kE= diff --git a/parsers/http_request_parser.go b/parsers/http_request_parser.go new file mode 100644 index 0000000..d204d4c --- /dev/null +++ b/parsers/http_request_parser.go @@ -0,0 +1,144 @@ +package parsers + +import ( + "bufio" + "bytes" + "encoding/json" + "io/ioutil" + "moul.io/http2curl" + "net/http" + "strings" +) + +type HttpRequestMetadata struct { + BasicMetadata + Method string `json:"method"` + URL string `json:"url"` + Protocol string `json:"protocol"` + Host string `json:"host"` + Headers map[string]string `json:"headers"` + Cookies map[string]string `json:"cookies" binding:"omitempty"` + ContentLength int64 `json:"content_length"` + FormData map[string]string `json:"form_data" binding:"omitempty"` + Body string `json:"body" binding:"omitempty"` + Trailer map[string]string `json:"trailer" binding:"omitempty"` + Reproducers HttpRequestMetadataReproducers `json:"reproducers"` +} + +type HttpRequestMetadataReproducers struct { + CurlCommand string `json:"curl_command"` + RequestsCode string `json:"requests_code"` + FetchRequest string `json:"fetch_request"` +} + +type HttpRequestParser struct { +} + +func (p HttpRequestParser) TryParse(content []byte) Metadata { + reader := bufio.NewReader(bytes.NewReader(content)) + request, err := http.ReadRequest(reader) + if err != nil { + return nil + } + var body string + if request.Body != nil { + if buffer, err := ioutil.ReadAll(request.Body); err == nil { + body = string(buffer) + } + _ = request.Body.Close() + } + _ = request.ParseForm() + + return HttpRequestMetadata{ + BasicMetadata: BasicMetadata{"http-request"}, + Method: request.Method, + URL: request.URL.String(), + Protocol: request.Proto, + Host: request.Host, + Headers: JoinArrayMap(request.Header), + Cookies: CookiesMap(request.Cookies()), + ContentLength: request.ContentLength, + FormData: JoinArrayMap(request.Form), + Body: body, + Trailer: JoinArrayMap(request.Trailer), + Reproducers: HttpRequestMetadataReproducers{ + CurlCommand: curlCommand(request), + RequestsCode: requestsCode(request), + FetchRequest: fetchRequest(request, body), + }, + } +} + +func curlCommand(request *http.Request) string { + if command, err := http2curl.GetCurlCommand(request); err == nil { + return command.String() + } else { + return "invalid-request" + } +} + +func requestsCode(request *http.Request) string { + var b strings.Builder + var params string + if request.Form != nil { + params = toJson(JoinArrayMap(request.PostForm)) + } + headers := toJson(JoinArrayMap(request.Header)) + cookies := toJson(CookiesMap(request.Cookies())) + + b.WriteString("import requests\n\nresponse = requests." + strings.ToLower(request.Method) + "(") + b.WriteString("\"" + request.URL.String() + "\"") + if params != "" { + b.WriteString(", data = " + params) + } + if headers != "" { + b.WriteString(", headers = " + headers) + } + if cookies != "" { + b.WriteString(", cookies = " + cookies) + } + b.WriteString(")\n") + b.WriteString(` +# print(response.url) +# print(response.text) +# print(response.content) +# print(response.json()) +# print(response.raw) +# print(response.status_code) +# print(response.cookies) +# print(response.history) +`) + + return b.String() +} + +func fetchRequest(request *http.Request, body string) string { + headers := JoinArrayMap(request.Header) + data := make(map[string]interface{}) + data["headers"] = headers + if referrer := request.Header.Get("referrer"); referrer != "" { + data["Referrer"] = referrer + } + // TODO: referrerPolicy + if body == "" { + data["body"] = nil + } else { + data["body"] = body + } + data["method"] = request.Method + // TODO: mode + + if jsonData := toJson(data); jsonData != "" { + return "fetch(\"" + request.URL.String() + "\", " + jsonData + ");" + } else { + return "invalid-request" + } +} + +func toJson(obj interface{}) string { + if buffer, err := json.Marshal(obj); err == nil { + return string(buffer) + } else { + return "" + } +} diff --git a/parsers/http_response_parser.go b/parsers/http_response_parser.go new file mode 100644 index 0000000..a639dec --- /dev/null +++ b/parsers/http_response_parser.go @@ -0,0 +1,72 @@ +package parsers + +import ( + "bufio" + "bytes" + "compress/gzip" + "io/ioutil" + "net/http" +) + +type HttpResponseMetadata struct { + BasicMetadata + Status string `json:"status"` + StatusCode int `json:"status_code"` + Protocol string `json:"protocol"` + Headers map[string]string `json:"headers"` + ConnectionClosed bool `json:"connection_closed"` + Cookies map[string]string `json:"cookies" binding:"omitempty"` + Location string `json:"location" binding:"omitempty"` + Compressed bool `json:"compressed"` + Body string `json:"body" binding:"omitempty"` + Trailer map[string]string `json:"trailer" binding:"omitempty"` +} + +type HttpResponseParser struct { +} + +func (p HttpResponseParser) TryParse(content []byte) Metadata { + reader := bufio.NewReader(bytes.NewReader(content)) + response, err := http.ReadResponse(reader, nil) + if err != nil { + return nil + } + var body string + var compressed bool + if response.Body != nil { + switch response.Header.Get("Content-Encoding") { + case "gzip": + if gzipReader, err := gzip.NewReader(response.Body); err == nil { + if buffer, err := ioutil.ReadAll(gzipReader); err == nil { + body = string(buffer) + compressed = true + } + _ = gzipReader.Close() + } + default: + if buffer, err := ioutil.ReadAll(response.Body); err == nil { + body = string(buffer) + } + } + _ = response.Body.Close() + } + + var location string + if locationUrl, err := response.Location(); err == nil { + location = locationUrl.String() + } + + return HttpResponseMetadata{ + BasicMetadata: BasicMetadata{"http-response"}, + Status: response.Status, + StatusCode: response.StatusCode, + Protocol: response.Proto, + Headers: JoinArrayMap(response.Header), + ConnectionClosed: response.Close, + Cookies: CookiesMap(response.Cookies()), + Location: location, + Compressed: compressed, + Body: body, + Trailer: JoinArrayMap(response.Trailer), + } +} diff --git a/parsers/parser.go b/parsers/parser.go new file mode 100644 index 0000000..06cc0dc --- /dev/null +++ b/parsers/parser.go @@ -0,0 +1,28 @@ +package parsers + +type Parser interface { + TryParse(content []byte) Metadata + +} + +type Metadata interface { +} + +type BasicMetadata struct { + Type string `json:"type"` +} + +var parsers = []Parser{ // order matter + HttpRequestParser{}, + HttpResponseParser{}, +} + +func Parse(content []byte) Metadata { + for _, parser := range parsers { + if metadata := parser.TryParse(content); metadata != nil { + return metadata + } + } + + return nil +} diff --git a/parsers/parser_utils.go b/parsers/parser_utils.go new file mode 100644 index 0000000..b688262 --- /dev/null +++ b/parsers/parser_utils.go @@ -0,0 +1,24 @@ +package parsers + +import ( + "net/http" + "strings" +) + +func JoinArrayMap(obj map[string][]string) map[string]string { + headers := make(map[string]string, len(obj)) + for key, value := range obj { + headers[key] = strings.Join(value, ";") + } + + return headers +} + +func CookiesMap(cookiesArray []*http.Cookie) map[string]string { + cookies := make(map[string]string, len(cookiesArray)) + for _, cookie := range cookiesArray { + cookies[cookie.Name] = cookie.Value + } + + return cookies +} diff --git a/utils.go b/utils.go index b07244d..a14fdca 100644 --- a/utils.go +++ b/utils.go @@ -13,11 +13,6 @@ import ( "net" "os" "time" - "net/http" - "bufio" - "strings" - "io/ioutil" - "compress/gzip" ) func Sha256Sum(fileName string) (string, error) { @@ -113,83 +108,6 @@ func DecodeBytes(buffer []byte, format string) string { } } -func ReadRequest(raw string) http.Request { - reader := bufio.NewReader(strings.NewReader(raw)) - req,err := http.ReadRequest(reader) - if err != nil{ - log.Info("Reading request: ",req) - return http.Request{} - } - return *req -} - -func GetHeader(raw string) string{ - tmp := strings.Split(raw,"\r\n") - end := len(tmp) - for i, line := range tmp{ - if line == ""{ - end = i - break - } - } - return strings.Join(tmp[:end],"\r\n") -} - -func GetBody(raw string) string{ - tmp := strings.Split(raw,"\r\n") - start := 0 - for i, line := range tmp{ - if line == ""{ - start = i + 2 - break - } - } - return strings.Join(tmp[start:],"\r\n") -} - -func DecodeHttpResponse(raw string) string { - body := []byte{} - reader := bufio.NewReader(strings.NewReader(raw)) - resp,err := http.ReadResponse(reader, &http.Request{}) - if err != nil{ - log.Info("Reading response: ",resp) - return "" - } - - defer resp.Body.Close() - - if resp.StatusCode >= 200 && resp.StatusCode < 300 { - var bodyReader io.ReadCloser - switch resp.Header.Get("Content-Encoding") { - case "gzip": - bodyReader, err = gzip.NewReader(resp.Body) - if err != nil { - log.Error("Gunzipping body: ",err) - } - defer bodyReader.Close() - body, err = ioutil.ReadAll(bodyReader) - if err != nil{ - log.Error("Reading gzipped body: ",err) - // if the response is malformed - // or the connection is closed - fallbackReader, _ := gzip.NewReader(strings.NewReader(GetBody(raw))) - body, err = ioutil.ReadAll(fallbackReader) - if err != nil{ - log.Error(string(body)) - } - } - default: - bodyReader = resp.Body - body, err = ioutil.ReadAll(bodyReader) - if err != nil{ - log.Error("Reading body: ",err) - body = []byte(GetBody(raw)) - } - } - } - return GetHeader(raw) + "\r\n\r\n"+ string(body) -} - func CopyFile(dst, src string) error { in, err := os.Open(src) if err != nil { -- cgit v1.2.3-70-g09d2 From ec949ffea86a14526a7142d048022a4a07f684ff Mon Sep 17 00:00:00 2001 From: Emiliano Ciavatta Date: Wed, 16 Sep 2020 15:41:04 +0200 Subject: Improve frontend connection visualization --- connection_streams_controller.go | 18 +-- frontend/src/components/Connection.js | 7 +- frontend/src/components/ConnectionContent.js | 146 +++++++++++++++++-------- frontend/src/components/ConnectionContent.scss | 101 ++++++++++++++--- frontend/src/components/MessageAction.js | 45 ++++++++ frontend/src/components/MessageAction.scss | 11 ++ frontend/src/utils.js | 5 + parsers/http_request_parser.go | 2 +- 8 files changed, 269 insertions(+), 66 deletions(-) create mode 100644 frontend/src/components/MessageAction.js create mode 100644 frontend/src/components/MessageAction.scss diff --git a/connection_streams_controller.go b/connection_streams_controller.go index 3ba30f8..c4876b1 100644 --- a/connection_streams_controller.go +++ b/connection_streams_controller.go @@ -27,13 +27,14 @@ type ConnectionStream struct { type PatternSlice [2]uint64 type Payload struct { - FromClient bool `json:"from_client"` - Content string `json:"content"` - Metadata parsers.Metadata `json:"metadata"` - Index int `json:"index"` - Timestamp time.Time `json:"timestamp"` - IsRetransmitted bool `json:"is_retransmitted"` - RegexMatches []RegexSlice `json:"regex_matches"` + FromClient bool `json:"from_client"` + Content string `json:"content"` + Metadata parsers.Metadata `json:"metadata"` + IsMetadataContinuation bool `json:"is_metadata_continuation"` + Index int `json:"index"` + Timestamp time.Time `json:"timestamp"` + IsRetransmitted bool `json:"is_retransmitted"` + RegexMatches []RegexSlice `json:"regex_matches"` } type RegexSlice struct { @@ -138,8 +139,11 @@ func (csc ConnectionStreamsController) GetConnectionPayload(c context.Context, c if sideChanged { metadata := parsers.Parse(contentChunkBuffer.Bytes()) + var isMetadataContinuation bool for _, elem := range payloadsBuffer { elem.Metadata = metadata + elem.IsMetadataContinuation = isMetadataContinuation + isMetadataContinuation = true } payloadsBuffer = payloadsBuffer[:0] diff --git a/frontend/src/components/Connection.js b/frontend/src/components/Connection.js index e41f542..93c6438 100644 --- a/frontend/src/components/Connection.js +++ b/frontend/src/components/Connection.js @@ -57,6 +57,11 @@ class Connection extends Component { let closedAt = new Date(conn.closed_at); let processedAt = new Date(conn.processed_at); let duration = ((closedAt - startedAt) / 1000).toFixed(3); + if (duration > 1000 || duration < -1000) { + duration = "∞"; + } else { + duration += "s"; + } let timeInfo =
Started at {startedAt.toLocaleDateString() + " " + startedAt.toLocaleTimeString()}
Processed at {processedAt.toLocaleDateString() + " " + processedAt.toLocaleTimeString()}
@@ -106,7 +111,7 @@ class Connection extends Component { - {duration}s + {duration} {conn.client_bytes} diff --git a/frontend/src/components/ConnectionContent.js b/frontend/src/components/ConnectionContent.js index 2100a68..51dbb67 100644 --- a/frontend/src/components/ConnectionContent.js +++ b/frontend/src/components/ConnectionContent.js @@ -1,7 +1,11 @@ import React, {Component} from 'react'; import './ConnectionContent.scss'; -import {Dropdown, Button} from 'react-bootstrap'; +import {Button, Dropdown, Row} from 'react-bootstrap'; import axios from 'axios'; +import {timestampToDateTime, timestampToTime} from "../utils"; +import MessageAction from "./MessageAction"; + +const classNames = require('classnames'); class ConnectionContent extends Component { @@ -12,6 +16,7 @@ class ConnectionContent extends Component { connectionContent: null, format: "default", decoded: false, + messageActionDialog: null }; this.validFormats = ["default", "hex", "hexdump", "base32", "base64", "ascii", "binary", "decimal", "octal"]; @@ -42,62 +47,115 @@ class ConnectionContent extends Component { this.setState({decoded: !this.state.decoded}); } + tryParseConnectionMessage(connectionMessage) { + if (connectionMessage.metadata == null) { + return connectionMessage.content; + } + if (connectionMessage["is_metadata_continuation"]) { + return already parsed in previous messages; + } + + let unrollMap = (obj) => obj == null ? null : Object.entries(obj).map(([key, value]) => +

{key}: {value}

+ ); + + let m = connectionMessage.metadata; + switch (m.type) { + case "http-request": + let url = {m.host}{m.url}; + return +

{m.method} {url} {m.protocol}

+ {unrollMap(m.headers)} +
{m.body}
+ {unrollMap(m.trailers)} + ; + case "http-response": + return +

{m.protocol} {m.status}

+ {unrollMap(m.headers)} +
{m.body}
+ {unrollMap(m.trailers)} + ; + default: + return connectionMessage.content; + } + } + + connectionsActions(connectionMessage) { + if (connectionMessage.metadata == null || connectionMessage.metadata["reproducers"] === undefined) { + return null; + } + + return Object.entries(connectionMessage.metadata["reproducers"]).map(([actionName, actionValue]) => + + ); + } + render() { let content = this.state.connectionContent; - if (content === null) { - return
nope
; + if (content == null) { + return
select a connection to view
; } let payload = content.map((c, i) => - - {c.from_client - ? -
{c.content}
- : - <> - {c.decoded_content - ? - <> -
{c.content}
-
{c.decoded_content}
- - : -
{c.content}
- } - - } - +
+
+
+
+ offset: {c.index} | timestamp: {c.timestamp} + | retransmitted: {c["is_retransmitted"] ? "yes" : "no"} +
+
{this.connectionsActions(c)}
+
+
+
{c.from_client ? "client" : "server"}
+
+ {this.state.decoded ? this.tryParseConnectionMessage(c) : c.content} +
+
); return (
-
- - - format - - - - plain - hex - hexdump - base32 - base64 - ascii - binary - decimal - octal - - - - - - - +
+ +
+ flow: {this.props.connection.ip_src}:{this.props.connection.port_src} -> {this.props.connection.ip_dst}:{this.props.connection.port_dst} + | timestamp: {this.props.connection.started_at} +
+
+ + + format + + + + plain + hex + hexdump + base32 + base64 + ascii + binary + decimal + octal + + + + + +
+ 
{payload}
+ {this.state.messageActionDialog}
); } diff --git a/frontend/src/components/ConnectionContent.scss b/frontend/src/components/ConnectionContent.scss index 5a17066..6354bee 100644 --- a/frontend/src/components/ConnectionContent.scss +++ b/frontend/src/components/ConnectionContent.scss @@ -1,29 +1,104 @@ @import '../colors.scss'; .connection-content { - background-color: $color-primary-3; + background-color: $color-primary-0; + padding: 10px 10px 0; height: 100%; - overflow: fixed; pre { - background-color: $color-primary-0; - padding: 10px 20px; word-break: break-word; - max-width: 100%; white-space: pre-wrap; - height: 95%; + overflow-x: hidden; + height: calc(100% - 31px); + padding: 0 10px; } - .from-client { - color: #d4e0fc; - } + .connection-message { + border: 4px solid $color-primary-3; + border-top: 0; + margin: 10px 0; + position: relative; + + .connection-message-header { + background-color: $color-primary-3; + height: 25px; + + .connection-message-info { + font-size: 11px; + margin-left: -10px; + margin-top: 6px; + } - .from-server { - color: $color-secondary-4; + .connection-message-actions { + margin-right: -18px; + display: none; - &:hover { + button { + margin: 0 3px; + font-size: 11px; + padding: 5px; + } + } + } + + .message-content { + padding: 10px; + } + + .message-parsed { + p { + margin: 0; + padding: 0; + } + } + + &:hover .connection-message-actions { + display: block; + } + + .connection-message-label { + position: absolute; background-color: $color-primary-3; - border-top: 1px solid $color-primary-1; + top: 0; + padding: 10px 0; + font-size: 12px; + + writing-mode: vertical-rl; + text-orientation: mixed; } + + &.from-client { + color: $color-primary-4; + margin-right: 100px; + + .connection-message-label { + right: -22px; + } + } + + &.from-server { + color: $color-primary-4; + margin-left: 100px; + + .connection-message-label { + left: -22px; + transform: rotate(-180deg); + } + } + } + + .connection-content-header { + background-color: $color-primary-2; + padding: 0; + height: 31px; + + .header-info { + padding-top: 5px; + padding-left: 20px; + font-size: 13px; + } + } + + } diff --git a/frontend/src/components/MessageAction.js b/frontend/src/components/MessageAction.js new file mode 100644 index 0000000..66350c6 --- /dev/null +++ b/frontend/src/components/MessageAction.js @@ -0,0 +1,45 @@ +import React, {Component} from 'react'; +import './MessageAction.scss'; +import {Button, FormControl, InputGroup, Modal} from "react-bootstrap"; + +class MessageAction extends Component { + + + + render() { + return ( + + + + {this.props.actionName} + + + +
+ 
+                            {this.props.actionValue}
+
+
+ + {/**/} + {/* */} + {/**/} + + + + + + + ); + } +} + +export default MessageAction; diff --git a/frontend/src/components/MessageAction.scss b/frontend/src/components/MessageAction.scss new file mode 100644 index 0000000..df3af8d --- /dev/null +++ b/frontend/src/components/MessageAction.scss @@ -0,0 +1,11 @@ +@import '../colors.scss'; + +.message-action-value { + pre { + font-size: 13px; + padding: 15px; + background-color: $color-primary-2; + color: $color-primary-4; + } + +} \ No newline at end of file diff --git a/frontend/src/utils.js b/frontend/src/utils.js index 26c10d3..7381f69 100644 --- a/frontend/src/utils.js +++ b/frontend/src/utils.js @@ -59,3 +59,8 @@ export function timestampToTime(timestamp) { let seconds = "0" + d.getSeconds(); return hours + ':' + minutes.substr(-2) + ':' + seconds.substr(-2); } + +export function timestampToDateTime(timestamp) { + let d = new Date(timestamp); + return d.toLocaleDateString() + " " + d.toLocaleTimeString(); +} diff --git a/parsers/http_request_parser.go b/parsers/http_request_parser.go index d204d4c..cfac196 100644 --- a/parsers/http_request_parser.go +++ b/parsers/http_request_parser.go @@ -136,7 +136,7 @@ func fetchRequest(request *http.Request, body string) string { } func toJson(obj interface{}) string { - if buffer, err := json.Marshal(obj); err == nil { + if buffer, err := json.MarshalIndent(obj, "", "\t"); err == nil { return string(buffer) } else { return "" -- cgit v1.2.3-70-g09d2 From dfd6d543074b4a30c2fc990063ca69ebf8a734e1 Mon Sep 17 00:00:00 2001 From: Emiliano Ciavatta Date: Wed, 16 Sep 2020 17:49:50 +0200 Subject: Fix body decoding bugs. Improve frontend --- connection_streams_controller.go | 37 +++++++----- frontend/src/components/ConnectionContent.js | 82 +++++++++++++++++--------- frontend/src/components/ConnectionContent.scss | 20 ++++--- frontend/src/components/MessageAction.js | 31 ++++++---- frontend/src/components/MessageAction.scss | 11 ++-- parsers/http_request_parser.go | 21 ++++--- parsers/http_response_parser.go | 31 ++++++---- 7 files changed, 144 insertions(+), 89 deletions(-) diff --git a/connection_streams_controller.go b/connection_streams_controller.go index c4876b1..9d73b0e 100644 --- a/connection_streams_controller.go +++ b/connection_streams_controller.go @@ -93,7 +93,7 @@ func (csc ConnectionStreamsController) GetConnectionPayload(c context.Context, c if clientBlocksIndex < len(clientStream.BlocksIndexes)-1 { end = clientStream.BlocksIndexes[clientBlocksIndex+1] } else { - end = len(clientStream.Payload) - 1 + end = len(clientStream.Payload) } size := uint64(end - start) @@ -117,7 +117,7 @@ func (csc ConnectionStreamsController) GetConnectionPayload(c context.Context, c if serverBlocksIndex < len(serverStream.BlocksIndexes)-1 { end = serverStream.BlocksIndexes[serverBlocksIndex+1] } else { - end = len(serverStream.Payload) - 1 + end = len(serverStream.Payload) } size := uint64(end - start) @@ -137,7 +137,18 @@ func (csc ConnectionStreamsController) GetConnectionPayload(c context.Context, c sideChanged, lastClient, lastServer = lastClient, false, true } - if sideChanged { + if !hasClientBlocks() { + clientDocumentIndex++ + clientBlocksIndex = 0 + clientStream = csc.getConnectionStream(c, connectionID, true, clientDocumentIndex) + } + if !hasServerBlocks() { + serverDocumentIndex++ + serverBlocksIndex = 0 + serverStream = csc.getConnectionStream(c, connectionID, false, serverDocumentIndex) + } + + updateMetadata := func() { metadata := parsers.Parse(contentChunkBuffer.Bytes()) var isMetadataContinuation bool for _, elem := range payloadsBuffer { @@ -149,28 +160,26 @@ func (csc ConnectionStreamsController) GetConnectionPayload(c context.Context, c payloadsBuffer = payloadsBuffer[:0] contentChunkBuffer.Reset() } + + if sideChanged { + updateMetadata() + } payloadsBuffer = append(payloadsBuffer, payload) contentChunkBuffer.Write(lastContentSlice) + if clientStream.ID.IsZero() && serverStream.ID.IsZero() { + updateMetadata() + } + if globalIndex > format.Skip { // problem: waste of time if the payload is discarded payloads = append(payloads, payload) } if globalIndex > format.Skip+format.Limit { // problem: the last chunk is not parsed, but can be ok because it is not finished + updateMetadata() return payloads } - - if !hasClientBlocks() { - clientDocumentIndex++ - clientBlocksIndex = 0 - clientStream = csc.getConnectionStream(c, connectionID, true, clientDocumentIndex) - } - if !hasServerBlocks() { - serverDocumentIndex++ - serverBlocksIndex = 0 - serverStream = csc.getConnectionStream(c, connectionID, false, serverDocumentIndex) - } } return payloads diff --git a/frontend/src/components/ConnectionContent.js b/frontend/src/components/ConnectionContent.js index 51dbb67..20ec92b 100644 --- a/frontend/src/components/ConnectionContent.js +++ b/frontend/src/components/ConnectionContent.js @@ -2,7 +2,6 @@ import React, {Component} from 'react'; import './ConnectionContent.scss'; import {Button, Dropdown, Row} from 'react-bootstrap'; import axios from 'axios'; -import {timestampToDateTime, timestampToTime} from "../utils"; import MessageAction from "./MessageAction"; const classNames = require('classnames'); @@ -15,7 +14,7 @@ class ConnectionContent extends Component { loading: false, connectionContent: null, format: "default", - decoded: false, + tryParse: true, messageActionDialog: null }; @@ -43,16 +42,12 @@ class ConnectionContent extends Component { } } - toggleDecoded() { - this.setState({decoded: !this.state.decoded}); - } - tryParseConnectionMessage(connectionMessage) { if (connectionMessage.metadata == null) { return connectionMessage.content; } if (connectionMessage["is_metadata_continuation"]) { - return already parsed in previous messages; + return **already parsed in previous messages**; } let unrollMap = (obj) => obj == null ? null : Object.entries(obj).map(([key, value]) => @@ -62,16 +57,17 @@ class ConnectionContent extends Component { let m = connectionMessage.metadata; switch (m.type) { case "http-request": - let url = {m.host}{m.url}; + let url = {m.host}{m.url}; return -

{m.method} {url} {m.protocol}

+

{m.method} {url} {m.protocol}

{unrollMap(m.headers)}
{m.body}
{unrollMap(m.trailers)} ; case "http-response": return -

{m.protocol} {m.status}

+

{m.protocol} {m.status}

{unrollMap(m.headers)}
{m.body}
{unrollMap(m.trailers)} @@ -87,9 +83,10 @@ class ConnectionContent extends Component { } return Object.entries(connectionMessage.metadata["reproducers"]).map(([actionName, actionValue]) => - ); @@ -115,8 +112,9 @@ class ConnectionContent extends Component {
{c.from_client ? "client" : "server"}
-
- {this.state.decoded ? this.tryParseConnectionMessage(c) : c.content} +
+ {this.state.tryParse && this.state.format === "default" ? this.tryParseConnectionMessage(c) : c.content}
); @@ -129,25 +127,55 @@ class ConnectionContent extends Component { flow: {this.props.connection.ip_src}:{this.props.connection.port_src} -> {this.props.connection.ip_dst}:{this.props.connection.port_dst} | timestamp: {this.props.connection.started_at} -
- - +
+ + format - plain - hex - hexdump - base32 - base64 - ascii - binary - decimal - octal + plain + hex + hexdump + base32 + base64 + ascii + binary + decimal + octal + + + + + + view_as + + + + default - + + + + + download_as + + + + nl_separated + only_client + only_server +
diff --git a/frontend/src/components/ConnectionContent.scss b/frontend/src/components/ConnectionContent.scss index 6354bee..8ee31ec 100644 --- a/frontend/src/components/ConnectionContent.scss +++ b/frontend/src/components/ConnectionContent.scss @@ -11,6 +11,11 @@ overflow-x: hidden; height: calc(100% - 31px); padding: 0 10px; + + p { + margin: 0; + padding: 0; + } } .connection-message { @@ -45,13 +50,6 @@ padding: 10px; } - .message-parsed { - p { - margin: 0; - padding: 0; - } - } - &:hover .connection-message-actions { display: block; } @@ -96,7 +94,13 @@ .header-info { padding-top: 5px; padding-left: 20px; - font-size: 13px; + font-size: 12px; + } + + .header-actions { + .dropdown { + display: inline-block; + } } } diff --git a/frontend/src/components/MessageAction.js b/frontend/src/components/MessageAction.js index 66350c6..2c85d84 100644 --- a/frontend/src/components/MessageAction.js +++ b/frontend/src/components/MessageAction.js @@ -4,7 +4,21 @@ import {Button, FormControl, InputGroup, Modal} from "react-bootstrap"; class MessageAction extends Component { + constructor(props) { + super(props); + this.state = { + copyButtonText: "copy" + }; + this.actionValue = React.createRef(); + this.copyActionValue = this.copyActionValue.bind(this); + } + copyActionValue() { + this.actionValue.current.select(); + document.execCommand('copy'); + this.setState({copyButtonText: "copied!"}); + setTimeout(() => this.setState({copyButtonText: "copy"}), 3000); + } render() { return ( @@ -21,20 +35,13 @@ class MessageAction extends Component { -
- 
-                            {this.props.actionValue}
-
-
- - {/**/} - {/* */} - {/**/} + + + - + diff --git a/frontend/src/components/MessageAction.scss b/frontend/src/components/MessageAction.scss index df3af8d..f3a8772 100644 --- a/frontend/src/components/MessageAction.scss +++ b/frontend/src/components/MessageAction.scss @@ -1,11 +1,8 @@ @import '../colors.scss'; .message-action-value { - pre { - font-size: 13px; - padding: 15px; - background-color: $color-primary-2; - color: $color-primary-4; - } - + font-size: 13px; + padding: 15px; + background-color: $color-primary-2; + color: $color-primary-4; } \ No newline at end of file diff --git a/parsers/http_request_parser.go b/parsers/http_request_parser.go index cfac196..e2224b8 100644 --- a/parsers/http_request_parser.go +++ b/parsers/http_request_parser.go @@ -4,6 +4,7 @@ import ( "bufio" "bytes" "encoding/json" + log "github.com/sirupsen/logrus" "io/ioutil" "moul.io/http2curl" "net/http" @@ -41,12 +42,13 @@ func (p HttpRequestParser) TryParse(content []byte) Metadata { return nil } var body string - if request.Body != nil { - if buffer, err := ioutil.ReadAll(request.Body); err == nil { - body = string(buffer) - } - _ = request.Body.Close() + if buffer, err := ioutil.ReadAll(request.Body); err == nil { + body = string(buffer) + } else { + log.WithError(err).Error("failed to read body in http_request_parser") + return nil } + _ = request.Body.Close() _ = request.ParseForm() return HttpRequestMetadata{ @@ -62,18 +64,21 @@ func (p HttpRequestParser) TryParse(content []byte) Metadata { Body: body, Trailer: JoinArrayMap(request.Trailer), Reproducers: HttpRequestMetadataReproducers{ - CurlCommand: curlCommand(request), + CurlCommand: curlCommand(content), RequestsCode: requestsCode(request), FetchRequest: fetchRequest(request, body), }, } } -func curlCommand(request *http.Request) string { +func curlCommand(content []byte) string { + // a new reader is required because all the body is read before and GetBody() doesn't works + reader := bufio.NewReader(bytes.NewReader(content)) + request, _ := http.ReadRequest(reader) if command, err := http2curl.GetCurlCommand(request); err == nil { return command.String() } else { - return "invalid-request" + return err.Error() } } diff --git a/parsers/http_response_parser.go b/parsers/http_response_parser.go index a639dec..1770116 100644 --- a/parsers/http_response_parser.go +++ b/parsers/http_response_parser.go @@ -4,6 +4,7 @@ import ( "bufio" "bytes" "compress/gzip" + log "github.com/sirupsen/logrus" "io/ioutil" "net/http" ) @@ -33,23 +34,27 @@ func (p HttpResponseParser) TryParse(content []byte) Metadata { } var body string var compressed bool - if response.Body != nil { - switch response.Header.Get("Content-Encoding") { - case "gzip": - if gzipReader, err := gzip.NewReader(response.Body); err == nil { - if buffer, err := ioutil.ReadAll(gzipReader); err == nil { - body = string(buffer) - compressed = true - } - _ = gzipReader.Close() - } - default: - if buffer, err := ioutil.ReadAll(response.Body); err == nil { + switch response.Header.Get("Content-Encoding") { + case "gzip": + if gzipReader, err := gzip.NewReader(response.Body); err == nil { + if buffer, err := ioutil.ReadAll(gzipReader); err == nil { body = string(buffer) + compressed = true + } else { + log.WithError(err).Error("failed to read gzipped body in http_response_parser") + return nil } + _ = gzipReader.Close() + } + default: + if buffer, err := ioutil.ReadAll(response.Body); err == nil { + body = string(buffer) + } else { + log.WithError(err).Error("failed to read body in http_response_parser") + return nil } - _ = response.Body.Close() } + _ = response.Body.Close() var location string if locationUrl, err := response.Location(); err == nil { -- cgit v1.2.3-70-g09d2