Adding upstream version 0.8.9.

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

pkg/services/pushover/pushover.go

@@ -0,0 +1,114 @@
+package pushover
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"net/http"
+	"net/url"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/nicholas-fedor/shoutrrr/pkg/format"
+	"github.com/nicholas-fedor/shoutrrr/pkg/services/standard"
+	"github.com/nicholas-fedor/shoutrrr/pkg/types"
+)
+
+// hookURL is the Pushover API endpoint for sending messages.
+const (
+	hookURL            = "https://api.pushover.net/1/messages.json"
+	contentType        = "application/x-www-form-urlencoded"
+	defaultHTTPTimeout = 10 * time.Second // defaultHTTPTimeout is the default timeout for HTTP requests.
+)
+
+// ErrSendFailed indicates a failure in sending the notification to a Pushover device.
+var ErrSendFailed = errors.New("failed to send notification to pushover device")
+
+// Service provides the Pushover notification service.
+type Service struct {
+	standard.Standard
+	Config *Config
+	pkr    format.PropKeyResolver
+	Client *http.Client
+}
+
+// Send delivers a notification message to Pushover.
+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)
+	}
+
+	device := strings.Join(config.Devices, ",")
+	if err := service.sendToDevice(device, message, config); err != nil {
+		return fmt.Errorf("failed to send notifications to pushover devices: %w", err)
+	}
+
+	return nil
+}
+
+// sendToDevice sends a notification to a specific Pushover device.
+func (service *Service) sendToDevice(device string, message string, config *Config) error {
+	data := url.Values{}
+	data.Set("device", device)
+	data.Set("user", config.User)
+	data.Set("token", config.Token)
+	data.Set("message", message)
+
+	if len(config.Title) > 0 {
+		data.Set("title", config.Title)
+	}
+
+	if config.Priority >= -2 && config.Priority <= 1 {
+		data.Set("priority", strconv.FormatInt(int64(config.Priority), 10))
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), defaultHTTPTimeout)
+	defer cancel()
+
+	req, err := http.NewRequestWithContext(
+		ctx,
+		http.MethodPost,
+		hookURL,
+		strings.NewReader(data.Encode()),
+	)
+	if err != nil {
+		return fmt.Errorf("creating request: %w", err)
+	}
+
+	req.Header.Set("Content-Type", contentType)
+
+	res, err := service.Client.Do(req)
+	if err != nil {
+		return fmt.Errorf("sending request to Pushover API: %w", err)
+	}
+	defer res.Body.Close()
+
+	if res.StatusCode != http.StatusOK {
+		return fmt.Errorf("%w: %q, response status %q", ErrSendFailed, device, res.Status)
+	}
+
+	return nil
+}
+
+// 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{}
+	service.pkr = format.NewPropKeyResolver(service.Config)
+	service.Client = &http.Client{
+		Timeout: defaultHTTPTimeout,
+	}
+
+	if err := service.Config.setURL(&service.pkr, configURL); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// GetID returns the service identifier.
+func (service *Service) GetID() string {
+	return Scheme
+}