Refactor: split monolith into cmd/palette + internal/{store,api,web,lang} (#35)

internal/api/burn.go

@@ -0,0 +1,43 @@
+package api
+
+import (
+	"net/http"
+
+	"github.com/go-chi/chi/v5"
+
+	"palette/internal/store"
+)
+
+// burnViewerWindow returns the admin-tunable per-viewer dedupe window
+// (#40), falling back to the 15-minute default from #49.
+func (a *apiServer) burnViewerWindow() int {
+	if a.settings != nil {
+		if m := a.settings.get().BurnViewerWindowMinutes; m > 0 {
+			return m
+		}
+	}
+	return 15
+}
+
+// handleRedeemDeletion lets a holder of the deletion token hard-delete immediately.
+// DELETE /api/pastes/{id}/redeem?token=...
+func (a *apiServer) handleRedeemDeletion(w http.ResponseWriter, r *http.Request) {
+	id := chi.URLParam(r, "id")
+	token := r.URL.Query().Get("token")
+	if token == "" {
+		writeErr(w, 400, "token required")
+		return
+	}
+	row, err := a.store.GetPaste(id)
+	if err != nil || row == nil {
+		writeErr(w, 404, "paste not found")
+		return
+	}
+	if row.DeletionToken.String == "" || !store.DeletionTokenEqual(row.DeletionToken.String, token) {
+		writeErr(w, 403, "invalid token")
+		return
+	}
+	// hard delete: pastes table row goes away entirely
+	a.store.HardDelete(row.ID)
+	writeJSON(w, 200, map[string]string{"status": "deleted"})
+}