1.0 version

internal/app/routes.go

@@ -5,6 +5,7 @@ import (
 	"lash/internal/errx"
 	"lash/internal/handlers"
 	"net/http"
+	"os"
 )
 
 func New() http.Handler {
@@ -15,12 +16,19 @@ func New() http.Handler {
 		errx.FatalPerror(err)
 	}
 
-	share := handlers.ShareData{
+	contents, err := os.ReadFile(fp)
-		Version:  lash.Version,
+	if err != nil {
-		FileName: fp,
+		errx.FatalPerror(err)
 	}
 
-	file := handlers.FileData{}
+	share := handlers.ShareData{
+		Version:  lash.Version,
+	}
+
+	file := handlers.FileData{
+		Contents: contents,
+		FileName: fp,
+	}
 
 	mux.HandleFunc("/", share.Handler)
 	mux.HandleFunc("/api/receive-token", file.APIHandler)

internal/handlers/file.go

@@ -2,13 +2,15 @@ package handlers
 
 import (
 	"encoding/json"
+	"fmt"
 	"lash"
-	"strconv"
 	"net/http"
+	"strconv"
 )
 
 type FileData struct {
 	Contents []byte
+	FileName string
 }
 
 type ValidateRequest struct {
@@ -30,7 +32,7 @@ func (h FileData) APIHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	w.Header().Set("Content-Disposition", "attachment; filename=file.bin")
+	w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=%s", h.FileName))
 	w.Header().Set("Content-Type", "application/octet-stream")
 	w.Header().Set("Content-Length", strconv.Itoa(len(h.Contents)))
 

templates/share.html

@@ -34,6 +34,7 @@
 			return;
 		}
 
+		try {
 			const response = await fetch('/api/receive-token', {
 				method: 'POST',
 				headers: {
@@ -41,6 +42,36 @@
 				},
 				body: JSON.stringify({ token })
 			});
+
+			if (!response.ok) {
+				status.textContent = 'Download failed.';
+				return;
+			}
+
+			const blob = await response.blob();
+			const url = window.URL.createObjectURL(blob);
+			const a = document.createElement('a');
+			a.href = url;
+			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();
+			window.URL.revokeObjectURL(url);
+			status.textContent = 'Download started.';
+		} catch (err) {
+			console.error(err);
+			status.textContent = 'An error occurred.';
+		}
 	});
 </script>
 	</body>

todo

@@ -0,0 +1,5 @@
+maint: clean up source code
+maint: comment source code
+maint: document more
+feat: improve flags
+feat: replace uuid dep with custom id generator

version

@@ -1 +1 @@
-0.1.0
+1.0.0