working commit

pkg/client/service.go

@@ -0,0 +1,79 @@
+/*
+ * Copyright 2026 Oleg Borodin <onborodin@gmail.com>
+ *
+ * This work is published and licensed under a Creative Commons
+ * Attribution-NonCommercial-NoDerivatives 4.0 International License.
+ *
+ * Distribution of this work is permitted, but commercial use and
+ * modifications are strictly prohibited.
+ */
+package client
+
+import (
+	"context"
+	"crypto/tls"
+	"net/http"
+	"net/url"
+	"time"
+
+	"mstore/pkg/auxhttp"
+)
+
+func convertServiceURI(ref string) (string, error) {
+	var err error
+	var res string
+	const serviceAPI = "/v3/api/service/"
+	const serviceScheme = "https"
+	uri, err := url.Parse(ref)
+	if err != nil {
+		return res, err
+	}
+	uri.Path, err = url.JoinPath(serviceAPI, uri.Path)
+	if err != nil {
+		return res, err
+	}
+	uri.Scheme = serviceScheme
+	res = uri.String()
+	return res, err
+}
+
+func (cli *Client) ServiceHello(ctx context.Context, serviceuri string, timeout time.Duration) (bool, error) {
+	var res bool
+	var err error
+	ctx, _ = context.WithTimeout(ctx, timeout)
+
+	serviceuri, username, password, err := repackServiceURI(serviceuri)
+	if err != nil {
+		return res, err
+	}
+	serviceuri, err = convertServiceURI(serviceuri)
+
+	if err != nil {
+		return res, err
+	}
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, serviceuri, nil)
+	if err != nil {
+		return res, err
+	}
+	if username != "" && password != "" {
+		basic := auxhttp.EncodeBasicAuth(username, password)
+		req.Header.Add("Authorization", basic)
+	}
+	transport := &http.Transport{
+		TLSClientConfig: &tls.Config{
+			InsecureSkipVerify: true,
+		},
+	}
+	client := &http.Client{
+		Transport: transport,
+	}
+	resp, err := client.Do(req)
+	if err != nil {
+		return res, err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode == http.StatusOK {
+		res = true
+	}
+	return res, err
+}