feat: add download page

handlers/upload.go

@@ -0,0 +1,69 @@
+package handlers
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"time"
+
+	"git.hafen.run/lukas/timeshare/pages"
+	"github.com/a-h/templ"
+	"github.com/google/uuid"
+	"github.com/valkey-io/valkey-go"
+)
+
+func UploadFiles(client valkey.Client) func(w http.ResponseWriter, r *http.Request) {
+	return func(w http.ResponseWriter, r *http.Request) {
+		err := r.ParseMultipartForm(125_000_000) // 1G max memory usage
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusBadRequest)
+			return
+		}
+
+		form := r.MultipartForm
+		expiry_values := form.Value["expiry"]
+		expiry, err := time.ParseDuration(expiry_values[0])
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusBadRequest)
+			return
+		}
+
+		form_files := form.File["files"]
+		files := make([]string, len(form_files))
+		for i := range form_files {
+			fid := uuid.New().String()
+			files[i] = fid
+			f, err := form_files[i].Open()
+			if err != nil {
+				continue
+			}
+			buf := new(bytes.Buffer)
+			_, err = io.Copy(buf, f)
+			if err != nil {
+				continue
+			}
+			err = client.Do(r.Context(), client.B().Set().Key(fid+":filename").Value(form_files[i].Filename).Ex(expiry).Build()).Error()
+			if err != nil {
+				continue
+			}
+
+			err = client.Do(r.Context(), client.B().Set().Key(fid+":contents").Value(valkey.BinaryString(buf.Bytes())).Ex(expiry).Build()).Error()
+			if err != nil {
+				continue
+			}
+		}
+
+		uid := uuid.New()
+		files_b, _ := json.Marshal(files)
+		err = client.Do(r.Context(), client.B().Set().Key(uid.String()).Value(string(files_b)).Ex(expiry).Build()).Error()
+
+		templ.Handler(pages.Upload([]pages.Expiry{
+			{DurationCode: "24h", DurationName: "24 Hours"},
+			{DurationCode: "36h", DurationName: "36 Hours"},
+			{DurationCode: "48h", DurationName: "48 Hours"},
+			{DurationCode: "168h", DurationName: "1 Week"},
+		}, fmt.Sprintf("https://share.lukaswerner.com/%s", uid.String()))).ServeHTTP(w, r)
+	}
+}