Compare commits

..

2 Commits

Author SHA1 Message Date
vxclutch
ec19585e9b maint: changes 2026-06-02 07:52:52 -04:00
vxclutch
9ced6600e3 remove mDNS 2026-06-01 07:30:13 -04:00
14 changed files with 147 additions and 117 deletions

View File

@@ -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 ./...

2
TODO
View File

@@ -1,6 +1,4 @@
maint: clean up source code
maint: document more
maint: make the colors more cross platform
feat: improve flags
feat: replace uuid dep with custom id generator
feat: multiple files

View File

@@ -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.")
@@ -38,27 +35,6 @@ 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)

9
go.mod
View File

@@ -3,12 +3,3 @@ 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
)

24
go.sum
View File

@@ -1,26 +1,2 @@
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=

View File

@@ -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")
}

View File

@@ -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)

5
internal/errx/define.go Normal file
View File

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

View File

@@ -0,0 +1,51 @@
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",
}
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
}

View File

@@ -1,9 +1,11 @@
package handlers
import (
"archive/zip"
"encoding/json"
"fmt"
"lash"
"lash/internal/errx"
"net/http"
"os"
"strconv"
@@ -11,7 +13,7 @@ import (
type FileHandler struct {
Ctx *lash.LashContext
FileData FileData
FileData []FileData
}
type FileData struct {
@@ -23,10 +25,17 @@ type ValidateRequest struct {
Token string
}
type headers map[string]string
var zipHeaders headers = headers{
"Content-Disposition": "attachment; filename=lash.zip",
"Content-Type": "application/octet-stream",
}
var sent int = 0
func (h FileHandler) APIHandler(w http.ResponseWriter, r *http.Request) {
if sent >= h.Ctx.N && h.Ctx.N != -1 {
if h.hasHitMax() {
w.WriteHeader(http.StatusTooManyRequests)
os.Exit(0)
return
@@ -45,27 +54,71 @@ func (h FileHandler) APIHandler(w http.ResponseWriter, r *http.Request) {
return
}
w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=%s", h.FileData.FileName))
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)
if len(h.FileData) == 1 {
headers := headers{
"Content-Disposition": fmt.Sprintf("attachment; filename=%s", h.FileData[0].FileName),
"Content-Type": "application/octet-stream",
"Content-Length": strconv.Itoa(len(h.FileData[0].FileName)),
}
headers.set(w)
w.Write(h.FileData[0].Contents)
} else {
zipHeaders.set(w)
h.writeZip(w)
}
sent++
}
func (h FileHandler) FileHandler(w http.ResponseWriter, r *http.Request) {
if sent >= h.Ctx.N && h.Ctx.N != -1 {
if h.hasHitMax() {
w.WriteHeader(http.StatusTooManyRequests)
os.Exit(0)
return
}
w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=%s", h.FileData.FileName))
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)
if len(h.FileData) == 1 {
headers := headers{
"Content-Disposition": fmt.Sprintf("attachment; filename=%s", h.FileData[0].FileName),
"Content-Type": "application/octet-stream",
"Content-Length": strconv.Itoa(len(h.FileData[0].FileName)),
}
headers.set(w)
w.Write(h.FileData[0].Contents)
} else {
zipHeaders.set(w)
h.writeZip(w)
}
sent++
}
func (h FileHandler) writeZip(hw http.ResponseWriter) {
zw := zip.NewWriter(hw)
defer zw.Close()
for _, f := range h.FileData {
w, err := zw.Create(f.FileName)
if err != nil {
errx.FatalPerror(err)
}
_, err = w.Write(f.Contents)
if err != nil {
errx.FatalPerror(err)
}
}
}
func (h headers) set(w http.ResponseWriter) {
for k, v := range h {
w.Header().Set(k, v)
}
}
func (h FileHandler) hasHitMax() bool {
return sent >= h.Ctx.N && h.Ctx.N != -1
}

View File

@@ -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 {

View File

@@ -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 = uuid.New().String()
var Token string = generator.Generate(5)
var ShareLinkToken string = uuid.New().String()
var ShareLinkToken string = generator.Generate(8)

View File

@@ -24,11 +24,10 @@
<script>
const tokenInput = document.getElementById('tokenInput');
const submitBtn = document.getElementById('submitBtn');
const status = document.getElementById('status');
const status = document.getElementById('status');
submitBtn.addEventListener('click', async () => {
const token = tokenInput.value.trim();
if (!token) {
status.textContent = 'Please enter a token.';
return;
@@ -42,7 +41,6 @@
},
body: JSON.stringify({ token })
});
if (!response.ok) {
status.textContent = 'Download failed.';
return;
@@ -50,19 +48,19 @@
const blob = await response.blob();
const url = window.URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
const a = document.createElement('a');
const disposition = response.headers.get('Content-Disposition');
let filename = 'download.bin';
if (disposition && disposition.includes('filename=')) {
filename = disposition
.split('filename=')[1]
.replace(/"/g, '');
}
a.download = filename;
document.body.appendChild(a);
a.click();
a.remove();

View File

@@ -1 +1 @@
3
6