initial commit

2023-03-04 16:28:13 +08:00 · 2023-03-04 16:28:13 +08:00 · 10c2530528
commit 10c2530528
6 changed files with 203 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1 @@
+/httpserve
--- a/10
+++ b/10
@ -0,0 +1,10 @@
+build: lint
+	CGO_ENABLED=0 go build -v -trimpath -ldflags='-s -w'
+
+lint:
+	golangci-lint run
+
+clean:
+	rm -f httpserve
+
+.PHONY: build clean lint
--- a/README.md
+++ b/README.md
@ -0,0 +1,13 @@
+# httpserve
+
+A **very simple** HTTP server that might come in handy from time to time.
+
+The only thing it does is serving static files in the current directory.
+
+## Usage
+
+```
+httpserve [port_number]
+```
+
+The default port number is `3000`.
--- a/go.mod
+++ b/go.mod
@ -0,0 +1,24 @@
+module httpserve
+
+go 1.20
+
+require (
+	github.com/andybalholm/brotli v1.0.4 // indirect
+	github.com/gofiber/fiber/v2 v2.42.0 // indirect
+	github.com/google/uuid v1.3.0 // indirect
+	github.com/kanna5/qrtxt v0.0.0-20220821141303-fc06574621aa // indirect
+	github.com/klauspost/compress v1.15.9 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.17 // indirect
+	github.com/mattn/go-runewidth v0.0.14 // indirect
+	github.com/philhofer/fwd v1.1.1 // indirect
+	github.com/rivo/uniseg v0.2.0 // indirect
+	github.com/savsgio/dictpool v0.0.0-20221023140959-7bf2e61cea94 // indirect
+	github.com/savsgio/gotils v0.0.0-20220530130905-52f3993e8d6d // indirect
+	github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e // indirect
+	github.com/tinylib/msgp v1.1.6 // indirect
+	github.com/valyala/bytebufferpool v1.0.0 // indirect
+	github.com/valyala/fasthttp v1.44.0 // indirect
+	github.com/valyala/tcplisten v1.0.0 // indirect
+	golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab // indirect
+)
--- a/go.sum
+++ b/go.sum
@ -0,0 +1,69 @@
+github.com/andybalholm/brotli v1.0.4 h1:V7DdXeJtZscaqfNuAdSRuRFzuiKlHSC/Zh3zl9qY3JY=
+github.com/andybalholm/brotli v1.0.4/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig=
+github.com/gofiber/fiber/v2 v2.42.0 h1:Fnp7ybWvS+sjNQsFvkhf4G8OhXswvB6Vee8hM/LyS+8=
+github.com/gofiber/fiber/v2 v2.42.0/go.mod h1:3+SGNjqMh5VQH5Vz2Wdi43zTIV16ktlFd3x3R6O1Zlc=
+github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
+github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
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--- a/main.go
+++ b/main.go
@ -0,0 +1,86 @@
+package main
+
+import (
+	"fmt"
+	"net"
+	"os"
+	"os/signal"
+	"strconv"
+	"sync"
+	"syscall"
+	"time"
+
+	"github.com/gofiber/fiber/v2"
+	"github.com/gofiber/fiber/v2/middleware/etag"
+	"github.com/kanna5/qrtxt"
+)
+
+func getLocalAddr() (string, error) {
+	conn, err := net.Dial("udp", "1.0.0.1:53")
+	if err != nil {
+		return "", err
+	}
+	defer conn.Close()
+
+	host, _, err := net.SplitHostPort(conn.LocalAddr().String())
+	return host, err
+}
+
+func main() {
+	listenPort := 3000
+
+	var err error
+	if len(os.Args) >= 2 {
+		portStr := os.Args[1]
+		listenPort, err = strconv.Atoi(portStr)
+	}
+	if err != nil {
+		panic(fmt.Errorf("cannot parse port number: %w", err))
+	}
+	if listenPort < 1 || listenPort > 65535 {
+		panic(fmt.Errorf("invalid port number: %d", listenPort))
+	}
+
+	localAddr, err := getLocalAddr()
+	if err != nil {
+		panic(fmt.Errorf("cannot get local address: %w", err))
+	}
+
+	fullAddress := fmt.Sprintf("http://%s:%d/", localAddr, listenPort)
+
+	app := fiber.New(fiber.Config{
+		AppName:               "StaticFileServer",
+		BodyLimit:             1,
+		DisableStartupMessage: true,
+		ReadTimeout:           5 * time.Second,
+		RequestMethods:        []string{"GET", "HEAD"},
+		ServerHeader:          "StaticFileServer",
+	})
+	app.Use(etag.New())
+	app.Static("/", "./", fiber.Static{Browse: true})
+
+	if qrText, err := qrtxt.Encode(fullAddress, qrtxt.Low); err == nil {
+		fmt.Println(qrText)
+	}
+	fmt.Printf("\nListening on %s\n", fullAddress)
+
+	wg := sync.WaitGroup{}
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
+		err = app.Listen(":" + strconv.Itoa(listenPort))
+	}()
+
+	sigCh := make(chan os.Signal, 1)
+	signal.Notify(sigCh, os.Interrupt, syscall.SIGTERM)
+	go func() {
+		<-sigCh
+		_ = app.Shutdown()
+	}()
+
+	wg.Wait()
+	if err != nil {
+		panic(fmt.Errorf("cannot start server: %w", err))
+	}
+	fmt.Println("Bye!")
+}