Adding upstream version 0.8.9.

Signed-off-by: Daniel Baumann <daniel@debian.org>

pkg/services/ifttt/ifttt.go

@@ -0,0 +1,106 @@
+package ifttt
+
+import (
+	"bytes"
+	"context"
+	"errors"
+	"fmt"
+	"net/http"
+	"net/url"
+
+	"github.com/nicholas-fedor/shoutrrr/pkg/format"
+	"github.com/nicholas-fedor/shoutrrr/pkg/services/standard"
+	"github.com/nicholas-fedor/shoutrrr/pkg/types"
+)
+
+// apiURLFormat defines the IFTTT webhook URL template.
+const (
+	apiURLFormat = "https://maker.ifttt.com/trigger/%s/with/key/%s"
+)
+
+// ErrSendFailed indicates a failure to send an IFTTT event notification.
+var (
+	ErrSendFailed       = errors.New("failed to send IFTTT event")
+	ErrUnexpectedStatus = errors.New("got unexpected response status code")
+)
+
+// Service sends notifications to an IFTTT webhook.
+type Service struct {
+	standard.Standard
+	Config *Config
+	pkr    format.PropKeyResolver
+}
+
+// Initialize configures the service with a URL and logger.
+func (service *Service) Initialize(configURL *url.URL, logger types.StdLogger) error {
+	service.SetLogger(logger)
+	service.Config = &Config{
+		UseMessageAsValue: DefaultMessageValue,
+	}
+	service.pkr = format.NewPropKeyResolver(service.Config)
+
+	if err := service.Config.setURL(&service.pkr, configURL); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// GetID returns the identifier for this service.
+func (service *Service) GetID() string {
+	return Scheme
+}
+
+// Send delivers a notification message to an IFTTT webhook.
+func (service *Service) Send(message string, params *types.Params) error {
+	config := service.Config
+	if err := service.pkr.UpdateConfigFromParams(config, params); err != nil {
+		return fmt.Errorf("updating config from params: %w", err)
+	}
+
+	payload, err := createJSONToSend(config, message, params)
+	if err != nil {
+		return err
+	}
+
+	for _, event := range config.Events {
+		apiURL := service.createAPIURLForEvent(event)
+		if err := doSend(payload, apiURL); err != nil {
+			return fmt.Errorf("%w: event %q: %w", ErrSendFailed, event, err)
+		}
+	}
+
+	return nil
+}
+
+// createAPIURLForEvent builds an IFTTT webhook URL for a specific event.
+func (service *Service) createAPIURLForEvent(event string) string {
+	return fmt.Sprintf(apiURLFormat, event, service.Config.WebHookID)
+}
+
+// doSend executes an HTTP POST request to send the payload to the IFTTT webhook.
+func doSend(payload []byte, postURL string) error {
+	req, err := http.NewRequestWithContext(
+		context.Background(),
+		http.MethodPost,
+		postURL,
+		bytes.NewBuffer(payload),
+	)
+	if err != nil {
+		return fmt.Errorf("creating HTTP request: %w", err)
+	}
+
+	req.Header.Set("Content-Type", "application/json")
+
+	res, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return fmt.Errorf("sending HTTP request to IFTTT webhook: %w", err)
+	}
+	defer res.Body.Close()
+
+	if res.StatusCode < 200 || res.StatusCode >= 300 {
+		return fmt.Errorf("%w: %s", ErrUnexpectedStatus, res.Status)
+	}
+
+	return nil
+}