🎨 Support configuration of cloud provider connectivity check URL https://github.com/siyuan-note/siyuan/issues/7805

kernel/util/net.go

@@ -18,6 +18,7 @@ package util
 
 import (
 	"net/http"
+	"net/url"
 	"strings"
 	"time"
 
@@ -82,6 +83,11 @@ func InvalidIDPattern(idArg string, result *gulu.Result) bool {
 	return true
 }
 
+func IsValidURL(str string) bool {
+	_, err := url.Parse(str)
+	return nil == err
+}
+
 func initHttpClient() {
 	http.DefaultClient = httpclient.GetCloudFileClient2Min()
 	http.DefaultTransport = httpclient.NewTransport(false)

kernel/util/path.go

@@ -156,6 +156,20 @@ func NormalizeEndpoint(endpoint string) string {
 	return endpoint
 }
 
+func NormalizeCheckURL(checkURL string) string {
+	checkURL = strings.TrimSpace(checkURL)
+	if "" == checkURL {
+		return ""
+	}
+	if !strings.HasPrefix(checkURL, "http://") && !strings.HasPrefix(checkURL, "https://") {
+		checkURL = "http://" + checkURL
+	}
+	if !IsValidURL(checkURL) {
+		return ""
+	}
+	return checkURL
+}
+
 func FilterMoveDocFromPaths(fromPaths []string, toPath string) (ret []string) {
 	tmp := FilterSelfChildDocs(fromPaths)
 	for _, fromPath := range tmp {