Added tls for http clients (#5766)

* Added global http client

* Added Do func for global http client

* Changed the code to use the global http client

* Fix http client in volume uploader

* Fixed pkg name

* Fixed http util funcs

* Fixed http client for bench_filer_upload

* Fixed http client for stress_filer_upload

* Fixed http client for filer_server_handlers_proxy

* Fixed http client for command_fs_merge_volumes

* Fixed http client for command_fs_merge_volumes and command_volume_fsck

* Fixed http client for s3api_server

* Added init global client for main funcs

* Rename global_client to client

* Changed:
- fixed NewHttpClient;
- added CheckIsHttpsClientEnabled func
- updated security.toml in scaffold

* Reduce the visibility of some functions in the util/http/client pkg

* Added the loadSecurityConfig function

* Use util.LoadSecurityConfiguration() in NewHttpClient func

weed/command/download.go

@@ -15,6 +15,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/pb"
 	"github.com/seaweedfs/seaweedfs/weed/security"
 	"github.com/seaweedfs/seaweedfs/weed/util"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 var (
@@ -63,11 +64,11 @@ func downloadToFile(masterFn operation.GetMasterFn, grpcDialOption grpc.DialOpti
 	if lookupError != nil {
 		return lookupError
 	}
-	filename, _, rc, err := util.DownloadFile(fileUrl, jwt)
+	filename, _, rc, err := util_http.DownloadFile(fileUrl, jwt)
 	if err != nil {
 		return err
 	}
-	defer util.CloseResponse(rc)
+	defer util_http.CloseResponse(rc)
 	if filename == "" {
 		filename = fileId
 	}
@@ -116,10 +117,10 @@ func fetchContent(masterFn operation.GetMasterFn, grpcDialOption grpc.DialOption
 		return "", nil, lookupError
 	}
 	var rc *http.Response
-	if filename, _, rc, e = util.DownloadFile(fileUrl, jwt); e != nil {
+	if filename, _, rc, e = util_http.DownloadFile(fileUrl, jwt); e != nil {
 		return "", nil, e
 	}
-	defer util.CloseResponse(rc)
+	defer util_http.CloseResponse(rc)
 	content, e = io.ReadAll(rc.Body)
 	return
 }