Use cookies saved server side (#188)

* retrieve cookies stored server side

fixed netscape cookies validation pipeline

* code refactoring

server/rest/container.go

@@ -28,7 +28,9 @@ func ApplyRouter(args *ContainerArgs) func(chi.Router) {
 		r.Post("/exec", h.Exec())
 		r.Get("/running", h.Running())
 		r.Get("/version", h.GetVersion())
+		r.Get("/cookies", h.GetCookies())
 		r.Post("/cookies", h.SetCookies())
+		r.Delete("/cookies", h.DeleteCookies())
 		r.Post("/template", h.AddTemplate())
 		r.Get("/template/all", h.GetTemplates())
 		r.Delete("/template/{id}", h.DeleteTemplate())

server/rest/handlers.go

@@ -60,6 +60,27 @@ func (h *Handler) Running() http.HandlerFunc {
 	}
 }
 
+func (h *Handler) GetCookies() http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+
+		cookies, err := h.service.GetCookies(r.Context())
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		res := &internal.SetCookiesRequest{
+			Cookies: string(cookies),
+		}
+
+		if err := json.NewEncoder(w).Encode(res); err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+	}
+}
+
 func (h *Handler) SetCookies() http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		defer r.Body.Close()
@@ -87,6 +108,23 @@ func (h *Handler) SetCookies() http.HandlerFunc {
 	}
 }
 
+func (h *Handler) DeleteCookies() http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+
+		err := h.service.SetCookies(r.Context(), "")
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		err = json.NewEncoder(w).Encode("ok")
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+		}
+	}
+}
+
 func (h *Handler) AddTemplate() http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		defer r.Body.Close()

server/rest/service.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"database/sql"
 	"errors"
+	"io"
 	"os"
 	"os/exec"
 	"time"
@@ -44,6 +45,22 @@ func (s *Service) Running(ctx context.Context) (*[]internal.ProcessResponse, err
 	}
 }
 
+func (s *Service) GetCookies(ctx context.Context) ([]byte, error) {
+	fd, err := os.Open("cookies.txt")
+	if err != nil {
+		return nil, err
+	}
+
+	defer fd.Close()
+
+	cookies, err := io.ReadAll(fd)
+	if err != nil {
+		return nil, err
+	}
+
+	return cookies, nil
+}
+
 func (s *Service) SetCookies(ctx context.Context, cookies string) error {
 	fd, err := os.Create("cookies.txt")
 	if err != nil {