shuffle makefile & add empty go.mod

go 1.16 requires go.mod in git folders now apparently

.gitignore

@@ -5,6 +5,7 @@ gossa-linux-arm64
 gossa-mac
 gossa-windows.exe
 gossa_test.go
+build-all
 
 .vscode
 test-fixture/*
@@ -39,4 +40,4 @@ test-fixture/*/*
 !test-fixture/fancy-path
 !test-fixture/fancy-path/*
 !test-fixture/ext/*
-!test-fixture/ext
+!test-fixture/ext

Makefile

@@ -1,8 +1,11 @@
+FLAGS := -ldflags "-s -w"
+NOCGO := CGO_ENABLED=0
+
 build:
 	cp src/gossa.go gossa.go
 	make -C gossa-ui/
 	go vet && go fmt
-	CGO_ENABLED=0 go build
+	${NOCGO} go build ${FLAGS} -o gossa
 	rm gossa.go
 
 install:
@@ -19,18 +22,22 @@ run-extra:
 
 test:
 	make build
-	-rm gossa_test.go
-	-@cd test-fixture && ln -s ../support .
+	rm -rf gossa_test.go
+	-@cd test-fixture && ln -s ../support .; true
 	cp src/gossa_test.go .
-	-@killall gossa
-	make run &
+
+	-@killall gossa; true
+	-make run &
 	go test -run TestNormal
+
 	killall gossa
-	make run-extra &
+	-make run-extra &
 	go test -run TestExtra
+
 	killall gossa
-	make run-ro &
+	-make run-ro &
 	go test -run TestRo
+
 	killall gossa
 
 watch:
@@ -48,11 +55,11 @@ watch-test:
 build-all:
 	cp src/gossa.go gossa.go
 	make -C gossa-ui/
-	env CGO_ENABLED=0  GOOS=linux    GOARCH=amd64  go build -o gossa-linux64
-	env CGO_ENABLED=0  GOOS=linux    GOARCH=arm    go build -o gossa-linux-arm
-	env CGO_ENABLED=0  GOOS=linux    GOARCH=arm64  go build -o gossa-linux-arm64
-	env CGO_ENABLED=0  GOOS=darwin   GOARCH=amd64  go build -o gossa-mac
-	env CGO_ENABLED=0  GOOS=windows  GOARCH=amd64  go build -o gossa-windows.exe
+	${NOCGO}  GOOS=linux    GOARCH=amd64  go build ${FLAGS} -o build-all/gossa-linux64
+	${NOCGO}  GOOS=linux    GOARCH=arm    go build ${FLAGS} -o build-all/gossa-linux-arm
+	${NOCGO}  GOOS=linux    GOARCH=arm64  go build ${FLAGS} -o build-all/gossa-linux-arm64
+	${NOCGO}  GOOS=darwin   GOARCH=amd64  go build ${FLAGS} -o build-all/gossa-mac
+	${NOCGO}  GOOS=windows  GOARCH=amd64  go build ${FLAGS} -o build-all/gossa-windows.exe
 	rm gossa.go
 
 clean:
@@ -64,3 +71,4 @@ clean:
 	-rm gossa-linux-arm64
 	-rm gossa-mac
 	-rm gossa-windows.exe
+

go.mod

@@ -0,0 +1,3 @@
+module github.com/pldubouilh/gossa
+
+go 1.16

readme.md

@@ -22,6 +22,7 @@ a [simple UI](https://github.com/pldubouilh/gossa-ui) comes as default, featurin
   * ⌨️ keyboard navigation
   * 🥂 fast golang static server
   * 🔒 easy/secure multi account setup, read-only mode
+  * ✨ PWA enabled
 
 ### build
 built blobs are available on the [release page](https://github.com/pldubouilh/gossa/releases) - or simply `make build` this repo.

src/gossa.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"archive/zip"
+	"compress/gzip"
 	"encoding/json"
 	"errors"
 	"flag"
@@ -80,7 +81,7 @@ func humanize(bytes int64) string {
 	}
 }
 
-func replyList(w http.ResponseWriter, fullPath string, path string) {
+func replyList(w http.ResponseWriter, r *http.Request, fullPath string, path string) {
 	_files, err := ioutil.ReadDir(fullPath)
 	check(err)
 	sort.Slice(_files, func(i, j int) bool { return strings.ToLower(_files[i].Name()) < strings.ToLower(_files[j].Name()) })
@@ -116,7 +117,15 @@ func replyList(w http.ResponseWriter, fullPath string, path string) {
 		}
 	}
 
-	page.Execute(w, p)
+	if strings.Contains(r.Header.Get("Accept-Encoding"), "gzip") {
+		w.Header().Set("Content-Type", "text/html")
+		w.Header().Add("Content-Encoding", "gzip")
+		gz, _ := gzip.NewWriterLevel(w, gzip.BestSpeed) // BestSpeed is much faster than Default on a very unscientific local test, and only ~30% larger (compression remains still very effective, ~6x)
+		defer gz.Close()
+		page.Execute(gz, p)
+	} else {
+		page.Execute(w, p)
+	}
 }
 
 func doContent(w http.ResponseWriter, r *http.Request) {
@@ -132,7 +141,7 @@ func doContent(w http.ResponseWriter, r *http.Request) {
 	check(errStat)
 
 	if stat.IsDir() {
-		replyList(w, fullPath, path)
+		replyList(w, r, fullPath, path)
 	} else {
 		fs.ServeHTTP(w, r)
 	}