feat: task separate proxy (#727)

internal/controller/controller.go

@@ -2,13 +2,15 @@ package controller
 
 import (
 	"github.com/GopeedLab/gopeed/pkg/base"
+	"net/http"
+	"net/url"
 	"os"
 	"path/filepath"
 )
 
 type Controller struct {
-	GetConfig   func(v any)
-	ProxyConfig *base.DownloaderProxyConfig
+	GetConfig func(v any)
+	GetProxy  func(requestProxy *base.RequestProxy) func(*http.Request) (*url.URL, error)
 	FileController
 	//ContextDialer() (proxy.Dialer, error)
 }
@@ -23,6 +25,7 @@ type DefaultFileController struct {
 func NewController() *Controller {
 	return &Controller{
 		GetConfig:      func(v any) {},
+		GetProxy:       func(requestProxy *base.RequestProxy) func(*http.Request) (*url.URL, error) { return nil },
 		FileController: &DefaultFileController{},
 	}
 }