Migrate notifier from portmaster-ui to cmds/notifier, remove some duplicated code, move assets to assets/data and add a small go package in assets to allow embedding icons

cmds/notifier/http_api.go

@@ -0,0 +1,65 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"net/http/cookiejar"
+	"strings"
+	"time"
+
+	"github.com/safing/portbase/log"
+)
+
+const (
+	apiBaseURL          = "http://127.0.0.1:817/api/v1/"
+	apiShutdownEndpoint = "core/shutdown"
+)
+
+var (
+	httpApiClient *http.Client
+)
+
+func init() {
+	// Make cookie jar.
+	jar, err := cookiejar.New(nil)
+	if err != nil {
+		log.Warningf("http-api: failed to create cookie jar: %s", err)
+		jar = nil
+	}
+
+	// Create client.
+	httpApiClient = &http.Client{
+		Jar:     jar,
+		Timeout: 3 * time.Second,
+	}
+}
+
+func httpApiAction(endpoint string) (response string, err error) {
+	// Make action request.
+	resp, err := httpApiClient.Post(apiBaseURL+endpoint, "", nil)
+	if err != nil {
+		return "", fmt.Errorf("request failed: %w", err)
+	}
+
+	// Read the response body.
+	defer resp.Body.Close()
+	respData, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return "", fmt.Errorf("failed to read data: %w", err)
+	}
+	response = strings.TrimSpace(string(respData))
+
+	// Check if the request was successful on the server.
+	if resp.StatusCode >= 200 && resp.StatusCode < 300 {
+		return response, fmt.Errorf("server failed with %s: %s", resp.Status, response)
+	}
+
+	return response, nil
+}
+
+// TriggerShutdown triggers a shutdown via the APi.
+func TriggerShutdown() error {
+	_, err := httpApiAction(apiShutdownEndpoint)
+	return err
+}