Add missing files.

.gitignore

@@ -0,0 +1,23 @@
+# ---> Go
+# If you prefer the allow list template instead of the deny list, see community template:
+# https://github.com/github/gitignore/blob/main/community/Golang/Go.AllowList.gitignore
+#
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+# Go workspace file
+go.work
+

.golangci.yml

@@ -0,0 +1,102 @@
+# options for analysis running
+run:
+  # timeout for analysis, e.g. 30s, 5m, default is 1m
+  timeout: 1m
+
+  # exit code when at least one issue was found, default is 1
+  issues-exit-code: 0
+
+  # include test files or not, default is true
+  tests: false
+
+  # which dirs to skip: issues from them won't be reported;
+  # can use regexp here: generated.*, regexp is applied on full path;
+  # default value is empty list, but default dirs are skipped independently
+  # from this option's value (see skip-dirs-use-default).
+  # "/" will be replaced by current OS file path separator to properly work
+  # on Windows.
+  skip-dirs:
+    - wasm
+    - static
+    - node_modules
+    - documents
+    - docker
+    - bind-*
+
+  # default is true. Enables skipping of directories:
+  #   vendor$, third_party$, testdata$, examples$, Godeps$, builtin$
+  skip-dirs-use-default: true
+
+  # by default isn't set. If set we pass it to "go list -mod={option}". From "go help modules":
+  # If invoked with -mod=readonly, the go command is disallowed from the implicit
+  # automatic updating of go.mod described above. Instead, it fails when any changes
+  # to go.mod are needed. This setting is most useful to check that go.mod does
+  # not need updates, such as in a continuous integration and testing system.
+  # If invoked with -mod=vendor, the go command assumes that the vendor
+  # directory holds the correct copies of dependencies and ignores
+  # the dependency descriptions in go.mod.
+  modules-download-mode: mod
+
+  # Allow multiple parallel golangci-lint instances running.
+  # If false (default) - golangci-lint acquires file lock on start.
+  allow-parallel-runners: true
+
+
+# output configuration options
+output:
+  # colored-line-number|line-number|json|tab|checkstyle|code-climate|junit-xml|github-actions
+  # default is "colored-line-number"
+  format: colored-line-number
+
+  # print lines of code with issue, default is true
+  print-issued-lines: true
+
+  # print linter name in the end of issue text, default is true
+  print-linter-name: true
+
+  # make issues output unique by line, default is true
+  uniq-by-line: true
+
+  # add a prefix to the output file references; default is no prefix
+  path-prefix: ""
+
+  # sorts results by: filepath, line and column
+  sort-results: false
+
+
+# all available settings of specific linters
+linters-settings:
+  gofmt:
+    # simplify code: gofmt with `-s` option, true by default
+    simplify: true
+  staticcheck:
+    # Select the Go version to target. The default is '1.13'.
+    go: "1.16"
+    # https://staticcheck.io/docs/options#checks
+    checks: ["all"]
+  stylecheck:
+    # Select the Go version to target. The default is '1.13'.
+    go: "1.18"
+    # https://staticcheck.io/docs/options#checks
+    checks: ["all"]
+  errcheck:
+    # report about assignment of errors to blank identifier: `num, _ := strconv.Atoi(numStr)`;
+    # default is false: such cases aren't reported by default.
+    check-blank: true
+
+linters:
+  enable:
+    # go install github.com/kisielk/errcheck@latest
+    # go install github.com/gordonklaus/ineffassign@latest
+    # go install honnef.co/go/tools/cmd/staticcheck@latest
+    # go install gitlab.com/opennota/check/cmd/varcheck@latest
+    # go install github.com/go-critic/go-critic/cmd/gocritic@latest
+    - errcheck
+    - staticcheck
+    - stylecheck
+    - ineffassign
+    - varcheck
+    - gofmt
+    - gocritic
+    - wsl
+  fast: false

Dockerfile

@@ -0,0 +1,18 @@
+FROM golang:1.18-bullseye
+LABEL author="Thomas Bellembois"
+
+# Copying sources.
+WORKDIR /go/src/github.com/tbellembois/codefirst-menuwrapper/
+COPY . .
+
+# Installing.
+RUN go install -v ./...
+RUN chmod +x /go/bin/codefirst-menuwrapper
+
+# Copying entrypoint.
+COPY entrypoint.sh /
+RUN chmod +x /entrypoint.sh
+
+USER www-data
+EXPOSE 8081
+CMD ["/entrypoint.sh"]

README.md

@@ -0,0 +1,2 @@
+# codefirst-menuwrapper
+

entrypoint.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+debug=""
+
+if [ ! -z "$DEBUG" ]
+then
+    debug="-debug"
+fi
+
+/go/bin/codefirst-menuwrapper -proxyurl=$PROXYURL -codefirsturl=$CODEFIRSTURL $debug

go.mod

@@ -0,0 +1,10 @@
+module codefirst.iut.uca.fr/git/thomas.bellembois/codefirst-menuwrapper
+
+go 1.19
+
+require (
+	codefirst.iut.uca.fr/git/thomas.bellembois/codefirst-menu/v2 v2.0.0-20220901141305-9da5f43fc873
+	github.com/sirupsen/logrus v1.9.0
+)
+
+require golang.org/x/sys v0.0.0-20220829200755-d48e67d00261 // indirect

go.sum

@@ -0,0 +1,14 @@
+codefirst.iut.uca.fr/git/thomas.bellembois/codefirst-menu/v2 v2.0.0-20220901141305-9da5f43fc873 h1:GYYkgzYWIYV5qLSVguwerESYAfFSESlsJAV3drN1mno=
+codefirst.iut.uca.fr/git/thomas.bellembois/codefirst-menu/v2 v2.0.0-20220901141305-9da5f43fc873/go.mod h1:hQ1fdhe5i32sO3pl+kic2sPFTA1uw3X3U82aDV77LoU=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/sirupsen/logrus v1.9.0 h1:trlNQbNUG3OdDrDil03MCb1H2o9nJ1x4/5LYw7byDE0=
+github.com/sirupsen/logrus v1.9.0/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220829200755-d48e67d00261 h1:v6hYoSR9T5oet+pMXwUWkbiVqx/63mlHjefrHmxwfeY=
+golang.org/x/sys v0.0.0-20220829200755-d48e67d00261/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

main.go

@@ -0,0 +1,204 @@
+package main
+
+import (
+	"bytes"
+	"compress/gzip"
+	"errors"
+	"flag"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"net/http/httputil"
+	"net/url"
+	"os"
+	"strings"
+
+	"codefirst.iut.uca.fr/git/thomas.bellembois/codefirst-menu/v2/menu"
+	log "github.com/sirupsen/logrus"
+)
+
+var (
+	updatedMenu, updatedStringbody string
+	proxyURL, codefirstURL         string
+	debug, dump                    bool
+)
+
+func gUnzipData(data []byte) (resData []byte, err error) {
+	b := bytes.NewBuffer(data)
+
+	var r io.Reader
+	r, err = gzip.NewReader(b)
+
+	if err != nil {
+		return
+	}
+
+	var resB bytes.Buffer
+	_, err = resB.ReadFrom(r)
+
+	if err != nil {
+		return
+	}
+
+	resData = resB.Bytes()
+
+	return
+}
+
+func UpdateResponse(r *http.Response) error {
+
+	contentType := r.Header[http.CanonicalHeaderKey("content-type")]
+	contentEncoding := r.Header[http.CanonicalHeaderKey("content-encoding")]
+	location := r.Header[http.CanonicalHeaderKey("location")]
+	statusCode := r.StatusCode
+
+	log.WithFields(
+		log.Fields{
+			"r.Header":        r.Header,
+			"statusCode":      statusCode,
+			"contentType":     contentType,
+			"contentEncoding": contentEncoding,
+			"location":        location,
+		},
+	).Debug()
+
+	if statusCode == http.StatusFound && strings.HasPrefix(proxyURL, "http://pastebin") && len(contentType) == 0 {
+		if len(location) > 0 {
+			r.Header.Del("location")
+			r.Header.Set("location", fmt.Sprintf("/pastebin%s", location[0]))
+		}
+	}
+
+	if statusCode != http.StatusOK {
+		log.Debug("skipping not status ok reponse")
+		return nil
+	}
+
+	if len(contentType) > 0 && strings.HasPrefix(contentType[0], "text/html") {
+		var (
+			body []byte
+			err  error
+		)
+
+		if body, err = io.ReadAll(r.Body); err != nil {
+			fmt.Println(err)
+			return err
+		}
+
+		if len(contentEncoding) > 0 && strings.HasPrefix(contentEncoding[0], "gzip") {
+			if body, err = gUnzipData(body); err != nil {
+				fmt.Println(err)
+				return err
+			}
+		}
+
+		stringBody := string(body)
+
+		if strings.HasPrefix(proxyURL, "http://pastebin") {
+			updatedStringbody = strings.Replace(stringBody, "action=\"/\"", "action=\"/pastebin/\"", 1)
+		} else if strings.HasPrefix(proxyURL, "http://cinny") {
+			updatedStringbody = strings.Replace(stringBody, `<body id="appBody">`, `<body id="appBody">`+updatedMenu, 1)
+		} else {
+			updatedStringbody = strings.Replace(stringBody, "<body>", "<body>"+updatedMenu, 1)
+		}
+
+		buf := bytes.NewBufferString(updatedStringbody)
+		r.Body = ioutil.NopCloser(buf)
+
+		r.Header.Del("content-encoding")
+		r.Header.Del("content-type")
+		r.Header.Set("content-type", "text/html; charset=utf-8")
+		r.Header.Set("content-length", fmt.Sprint(buf.Len()))
+	}
+
+	return nil
+}
+
+func init() {
+	flag.StringVar(&proxyURL, "proxyurl", "", "proxy URL")
+	flag.StringVar(&codefirstURL, "codefirsturl", "", "codefirst URL")
+	flag.BoolVar(&debug, "debug", false, "enable debug")
+	flag.BoolVar(&dump, "dump", false, "dump menu")
+	flag.Parse()
+
+	updatedMenu = menu.CodeFirstMenu
+
+	if dump {
+		updatedMenu = strings.Replace(updatedMenu, "<!--gitea", "", 1)
+		updatedMenu = strings.Replace(updatedMenu, "gitea-->", "", 1)
+		fmt.Println(updatedMenu)
+		os.Exit(0)
+	}
+
+	if proxyURL == "" {
+		panic(errors.New("empty proxy URL"))
+	}
+
+	if debug {
+		log.SetLevel(log.DebugLevel)
+	}
+
+	updatedMenu = strings.ReplaceAll(updatedMenu, "CODEFIRST_HOSTNAME", codefirstURL)
+
+	if strings.HasPrefix(proxyURL, "http://gitea") {
+		updatedMenu = strings.Replace(updatedMenu, "<!--gitea", "", 1)
+		updatedMenu = strings.Replace(updatedMenu, "gitea-->", "", 1)
+	} else if strings.HasPrefix(proxyURL, "http://drone") {
+		updatedMenu = strings.Replace(updatedMenu, "<!--drone", "", 1)
+		updatedMenu = strings.Replace(updatedMenu, "drone-->", "", 1)
+	} else if strings.HasPrefix(proxyURL, "http://dockerrunner") {
+		updatedMenu = strings.Replace(updatedMenu, "<!--dockerrunner", "", 1)
+		updatedMenu = strings.Replace(updatedMenu, "dockerrunner-->", "", 1)
+	} else if strings.HasPrefix(proxyURL, "http://registryui") {
+		updatedMenu = strings.Replace(updatedMenu, "<!--dockerregistry", "", 1)
+		updatedMenu = strings.Replace(updatedMenu, "dockerregistry-->", "", 1)
+	} else if strings.HasPrefix(proxyURL, "http://sonarqube") {
+		updatedMenu = strings.Replace(updatedMenu, "<!--sonar", "", 1)
+		updatedMenu = strings.Replace(updatedMenu, "sonar-->", "", 1)
+	} else if strings.HasPrefix(proxyURL, "http://nginx") {
+		updatedMenu = strings.Replace(updatedMenu, "<!--documentation", "", 1)
+		updatedMenu = strings.Replace(updatedMenu, "documentation-->", "", 1)
+	} else if strings.HasPrefix(proxyURL, "http://cinny") {
+		updatedMenu = strings.Replace(updatedMenu, "<!--cinny", "", 1)
+		updatedMenu = strings.Replace(updatedMenu, "cinny-->", "", 1)
+	}
+}
+
+func main() {
+	remote, err := url.Parse(proxyURL)
+	if err != nil {
+		panic(err)
+	}
+
+	log.WithFields(
+		log.Fields{
+			"proxyURL":    proxyURL,
+			"updatedMenu": updatedMenu,
+		},
+	).Debug()
+
+	handler := func(p *httputil.ReverseProxy) func(http.ResponseWriter, *http.Request) {
+		return func(w http.ResponseWriter, r *http.Request) {
+			log.WithFields(
+				log.Fields{
+					"r.Host":       r.Host,
+					"r.RequestURI": r.RequestURI,
+				},
+			).Debug()
+
+			r.Host = remote.Host
+			p.ServeHTTP(w, r)
+		}
+	}
+
+	proxy := httputil.NewSingleHostReverseProxy(remote)
+	proxy.ModifyResponse = UpdateResponse
+
+	http.HandleFunc("/", handler(proxy))
+	err = http.ListenAndServe(":8081", nil)
+
+	if err != nil {
+		panic(err)
+	}
+}