maint: remove deps and add docs

Makefile

@@ -5,7 +5,7 @@ GO?= go
 all: build
 
 build:
-	$(GO) build -o lash ./cmd/lash/
+	$(GO) build -o lash ./bin/main.go
 
 lint:
 	$(GO) fmt ./...

README.md

@@ -1 +1,21 @@
 # LASH (Local Area Share HTTP)
+
+## Usage
+Using lash is pretty simple. You just provide any amount of command line
+arguments and it will generate a share link, and a code. You either go-to
+http://<your-local-ip>:port or goto http://<your-share-link> to access the
+files.
+
+## Building from Source
+Lash only has one dependency and that it is Go >= 1.26.3. To build it you just
+run either of the two following commands.
+
+```sh
+$ make
+```
+
+or
+
+```sh
+$ go build -o lash ./bin/main.go
+```

TODO

@@ -1,8 +1 @@
-maint: clean up source code
+feat: sumbit code with press of enter key
-maint: document more
-maint: make the colors more cross platform
-feat: improve flags
-feat: replace uuid dep with custom id generator
-feat: multiple files
-fix: remove `_` prefix
-fix: make mDNS only build on windows

bin/main.go

@@ -9,9 +9,6 @@ import (
 	"lash/internal/errx"
 	share "lash/internal/shareLink"
 	"net/http"
-	"os"
-
-	"github.com/grandcat/zeroconf"
 )
 
 var versionFlag = flag.Bool("version", false, "Print out version and exit.")
@@ -38,30 +35,9 @@ func main() {
 		Handler: srv,
 	}
 
-	host, err := os.Hostname()
-	if err != nil {
-		errx.FatalPerror(err)
-	}
-
-	zeroServer, err := zeroconf.Register(
-		host,
-		"_http._tcp",
-		"local.",
-		*port,
-		[]string{"path=/"},
-		nil,
-	)
-	defer zeroServer.Shutdown()
-
-	if err != nil {
-		errx.FatalPerror(err)
-	}
-
-	// TODO(vxc): Make this more portable
-	errx.Log("Your share link is http://%s.local:%d", host, *port)
 	errx.Log("Your share link is %s", share.GenerateShareLink(*port))
 	errx.Log("Your token is \033[1;92m%s\033[0m", lash.Token)
-	errx.Log("starting server at http://0.0.0.0:%d", *port)
+	errx.Log("starting server at http://%s:%d", share.GetLocalIP(), *port)
 	if err := server.ListenAndServe(); err != nil {
 		errx.FatalPerror(err)
 	}

go.mod

@@ -1,14 +1,3 @@
 module lash
 
 go 1.26.3
-
-require github.com/google/uuid v1.6.0
-
-require (
-	github.com/cenkalti/backoff v2.2.1+incompatible // indirect
-	github.com/grandcat/zeroconf v1.0.0 // indirect
-	github.com/miekg/dns v1.1.27 // indirect
-	golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550 // indirect
-	golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa // indirect
-	golang.org/x/sys v0.0.0-20190924154521-2837fb4f24fe // indirect
-)

go.sum

@@ -1,26 +0,0 @@
-github.com/cenkalti/backoff v2.2.1+incompatible h1:tNowT99t7UNflLxfYYSlKYsBpXdEet03Pg2g16Swow4=
-github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
-github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
-github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/grandcat/zeroconf v1.0.0 h1:uHhahLBKqwWBV6WZUDAT71044vwOTL+McW0mBJvo6kE=
-github.com/grandcat/zeroconf v1.0.0/go.mod h1:lTKmG1zh86XyCoUeIHSA4FJMBwCJiQmGfcP2PdzytEs=
-github.com/miekg/dns v1.1.27 h1:aEH/kqUzUxGJ/UHcEKdJY+ugH6WEzsEBBSPa8zuy1aM=
-github.com/miekg/dns v1.1.27/go.mod h1:KNUDUusw/aVsxyTYZM1oqvCicbwhgbNgztCETuNZ7xM=
-github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550 h1:ObdrDkeb4kJdCP557AjRjq69pTHfNouLtWZG7j9rPN8=
-golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
-golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20190923162816-aa69164e4478/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa h1:F+8P+gmewFQYRk6JoLQLwjBCTu3mcIURZfNkVweuRKA=
-golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190924154521-2837fb4f24fe h1:6fAMxZRR6sl1Uq8U61gxU+kPTs2tR8uOySCbBP7BN/M=
-golang.org/x/sys v0.0.0-20190924154521-2837fb4f24fe/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/tools v0.0.0-20191216052735-49a3e744a425/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
-golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

internal/app/file.go

@@ -1,19 +0,0 @@
-package app
-
-import (
-	"errors"
-	"flag"
-	"strings"
-)
-
-func GetFilePath() (string, error) {
-	fp := ""
-
-	for _, v := range flag.Args() {
-		if !strings.HasPrefix(v, "-") {
-			fp = v
-			return fp, nil
-		}
-	}
-	return "", errors.New("not enough arguments")
-}

internal/app/routes.go

@@ -1,6 +1,7 @@
 package app
 
 import (
+	"flag"
 	"lash"
 	"lash/internal/errx"
 	"lash/internal/handlers"
@@ -11,26 +12,29 @@ import (
 func New(ctx *lash.LashContext) http.Handler {
 	mux := http.NewServeMux()
 
-	fp, err := GetFilePath()
-	if err != nil {
-		errx.FatalPerror(err)
-	}
-
-	contents, err := os.ReadFile(fp)
-	if err != nil {
-		errx.FatalPerror(err)
-	}
-
 	share := handlers.ShareData{
 		Version: lash.Version,
 	}
 
 	file := handlers.FileHandler{
 		Ctx: ctx,
-		FileData: handlers.FileData{
+	}
+
+	fps := flag.Args()
+	if len(fps) < 1 {
+		errx.FatalPerror(errx.ErrNotEnoughArgs)
+	}
+
+	for _, fp := range fps {
+		contents, err := os.ReadFile(fp)
+		if err != nil {
+			errx.FatalPerror(err)
+		}
+
+		file.FileData = append(file.FileData, handlers.FileData{
 			Contents: contents,
 			FileName: fp,
-		},
+		})
 	}
 
 	mux.HandleFunc("/", share.Handler)

internal/errx/define.go

@@ -0,0 +1,5 @@
+package errx
+
+import "errors"
+
+var ErrNotEnoughArgs error = errors.New("not enough arguments")

internal/generator/generator.go

@@ -0,0 +1,55 @@
+package generator
+
+import (
+	"math/rand/v2"
+)
+
+var keys []string = []string{
+	"octo",
+	"cool",
+	"whip",
+	"keys",
+	"cats",
+	"part",
+	"rate",
+	"face",
+	"lard",
+	"larp",
+	"dogs",
+	"cash",
+	"city",
+	"cold",
+	"desk",
+	"down",
+	"dirt",
+	"long",
+	"mean",
+	"news",
+	"only",
+	"open",
+	"year",
+	"wood",
+	"wing",
+	"work",
+	"wash",
+	"vote",
+	"onyx",
+	"snow",
+	"john",
+	"json",
+	"fang",
+}
+
+func Generate(n int) (code string) {
+	codeLen := n
+
+	start := rand.IntN(len(keys))
+
+	for i := range codeLen {
+		code += keys[(start+i)%len(keys)]
+		if i != codeLen-1 {
+			code += "-"
+		}
+	}
+	return
+}

internal/handlers/file.go

@@ -1,17 +1,18 @@
 package handlers
 
 import (
+	"archive/zip"
 	"encoding/json"
 	"fmt"
 	"lash"
+	"lash/internal/errx"
 	"net/http"
-	"os"
 	"strconv"
 )
 
 type FileHandler struct {
 	Ctx      *lash.LashContext
-	FileData FileData
+	FileData []FileData
 }
 
 type FileData struct {
@@ -26,11 +27,6 @@ type ValidateRequest struct {
 var sent int = 0
 
 func (h FileHandler) APIHandler(w http.ResponseWriter, r *http.Request) {
-	if sent >= h.Ctx.N && h.Ctx.N != -1 {
-		w.WriteHeader(http.StatusTooManyRequests)
-		os.Exit(0)
-		return
-	}
 	decoder := json.NewDecoder(r.Body)
 
 	var t ValidateRequest
@@ -45,27 +41,43 @@ func (h FileHandler) APIHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=%s", h.FileData.FileName))
+	http.Redirect(w, r, fmt.Sprintf("/%s", lash.ShareLinkToken), http.StatusTemporaryRedirect)
-	w.Header().Set("Content-Type", "application/octet-stream")
-	w.Header().Set("Content-Length", strconv.Itoa(len(h.FileData.Contents)))
-
-	w.WriteHeader(http.StatusOK)
-	w.Write(h.FileData.Contents)
-	sent++
 }
 
 func (h FileHandler) FileHandler(w http.ResponseWriter, r *http.Request) {
 	if sent >= h.Ctx.N && h.Ctx.N != -1 {
-		w.WriteHeader(http.StatusTooManyRequests)
+		http.Error(w, "Too many requests", http.StatusTooManyRequests)
-		os.Exit(0)
 		return
 	}
 
-	w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=%s", h.FileData.FileName))
+	filename := h.FileData[0].FileName
-	w.Header().Set("Content-Type", "application/octet-stream")
+	if len(h.FileData) > 1 {
-	w.Header().Set("Content-Length", strconv.Itoa(len(h.FileData.Contents)))
+		filename = "lash.zip"
+	}
 
+	w.Header().Set("Content-Disposition", fmt.Sprintf(`attachment; filename="%s"`, filename))
+	w.Header().Set("Content-Type", "application/octet-stream")
+
+	if len(h.FileData) == 1 {
+		w.Header().Set("Content-Length", strconv.Itoa(len(h.FileData[0].Contents)))
 		w.WriteHeader(http.StatusOK)
-	w.Write(h.FileData.Contents)
+		_, _ = w.Write(h.FileData[0].Contents)
+	} else {
+		w.WriteHeader(http.StatusOK)
+		zw := zip.NewWriter(w)
+		defer zw.Close()
+
+		for _, f := range h.FileData {
+			fw, err := zw.Create(f.FileName)
+			if err != nil {
+				errx.FatalPerror(err)
+			}
+			_, err = fw.Write(f.Contents)
+			if err != nil {
+				errx.FatalPerror(err)
+			}
+		}
+	}
+
 	sent++
 }

internal/handlers/share.go

@@ -13,7 +13,6 @@ type ShareData struct {
 }
 
 func (h *ShareData) Handler(w http.ResponseWriter, r *http.Request) {
-	// Although `Must` can fail since `Templates` is embeded these files will always exist.
 	tmpl := template.Must(template.ParseFS(lash.Templates, "templates/share.html"))
 
 	if err := tmpl.ExecuteTemplate(w, "share.html", h); err != nil {

lash.go

@@ -2,9 +2,8 @@ package lash
 
 import (
 	"embed"
+	"lash/internal/generator"
 	"net/http"
-
-	"github.com/google/uuid"
 )
 
 type LashContext struct {
@@ -18,7 +17,6 @@ var Templates embed.FS
 //go:embed version
 var Version string
 
-// TODO(vxc): Replace this with custom token generator
+var Token string = generator.Generate(5)
-var Token string = uuid.New().String()
 
-var ShareLinkToken string = uuid.New().String()
+var ShareLinkToken string = generator.Generate(8)

version

@@ -1 +1 @@
-3
+6