feat(notify): add mattermost

internal/pkg/core/notifier/providers/mattermost/mattermost.go

@@ -0,0 +1,89 @@
+package mattermost
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"github.com/nikoksr/notify/service/mattermost"
+	"github.com/usual2970/certimate/internal/pkg/core/notifier"
+	"io"
+	"log/slog"
+	"net/http"
+)
+
+type NotifierConfig struct {
+	// Mattermost 服务地址。
+	ServerUrl string `json:"serverUrl"`
+	// 频道ID
+	ChannelId string `json:"channelId"`
+	// 用户名
+	Username string `json:"username"`
+	// 密码
+	Password string `json:"password"`
+}
+
+type NotifierProvider struct {
+	config *NotifierConfig
+	logger *slog.Logger
+}
+
+var _ notifier.Notifier = (*NotifierProvider)(nil)
+
+func NewNotifier(config *NotifierConfig) (*NotifierProvider, error) {
+	if config == nil {
+		panic("config is nil")
+	}
+
+	return &NotifierProvider{
+		config: config,
+	}, nil
+}
+
+func (n *NotifierProvider) WithLogger(logger *slog.Logger) notifier.Notifier {
+	if logger == nil {
+		n.logger = slog.Default()
+	} else {
+		n.logger = logger
+	}
+	return n
+}
+
+func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (res *notifier.NotifyResult, err error) {
+	srv := mattermost.New(n.config.ServerUrl)
+
+	if err := srv.LoginWithCredentials(ctx, n.config.Username, n.config.Password); err != nil {
+		return nil, err
+	}
+
+	srv.AddReceivers(n.config.ChannelId)
+
+	// 复写消息样式
+	srv.PreSend(func(req *http.Request) error {
+		m := map[string]interface{}{
+			"channel_id": n.config.ChannelId,
+			"props": map[string]interface{}{
+				"attachments": []map[string]interface{}{
+					{
+						"title": subject,
+						"text":  message,
+					},
+				},
+			},
+		}
+
+		if body, err := json.Marshal(m); err != nil {
+			return err
+		} else {
+			req.ContentLength = int64(len(body))
+			req.Body = io.NopCloser(bytes.NewReader(body))
+		}
+
+		return nil
+	})
+
+	if err = srv.Send(ctx, subject, message); err != nil {
+		return nil, err
+	}
+
+	return &notifier.NotifyResult{}, nil
+}

internal/pkg/core/notifier/providers/mattermost/mattermost_test.go

@@ -0,0 +1,74 @@
+package mattermost_test
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"strings"
+	"testing"
+
+	provider "github.com/usual2970/certimate/internal/pkg/core/notifier/providers/mattermost"
+)
+
+const (
+	mockSubject = "test_subject"
+	mockMessage = "test_message"
+)
+
+var (
+	fServerUrl string
+	fChannelId string
+	fUsername  string
+	fPassword  string
+)
+
+func init() {
+	argsPrefix := "CERTIMATE_NOTIFIER_MATTERMOST_"
+
+	flag.StringVar(&fServerUrl, argsPrefix+"SERVERURL", "", "")
+	flag.StringVar(&fChannelId, argsPrefix+"CHANNELID", "", "")
+	flag.StringVar(&fUsername, argsPrefix+"USERNAME", "", "")
+	flag.StringVar(&fPassword, argsPrefix+"PASSWORD", "", "")
+}
+
+/*
+Shell command to run this test:
+
+	go test -v ./mattermost_test.go -args \
+	--CERTIMATE_NOTIFIER_MATTERMOST_SERVERURL="https://example.com/your-server-url" \
+	--CERTIMATE_NOTIFIER_MATTERMOST_CHANNELID="your-chanel-id" \
+	--CERTIMATE_NOTIFIER_MATTERMOST_USERNAME="your-username" \
+	--CERTIMATE_NOTIFIER_MATTERMOST_PASSWORD="your-password"
+*/
+func TestNotify(t *testing.T) {
+	flag.Parse()
+
+	t.Run("Notify", func(t *testing.T) {
+		t.Log(strings.Join([]string{
+			"args:",
+			fmt.Sprintf("SERVERURL: %v", fServerUrl),
+			fmt.Sprintf("CHANNELID: %v", fChannelId),
+			fmt.Sprintf("USERNAME: %v", fUsername),
+			fmt.Sprintf("PASSWORD: %v", fPassword),
+		}, "\n"))
+
+		notifier, err := provider.NewNotifier(&provider.NotifierConfig{
+			ServerUrl: fServerUrl,
+			ChannelId: fChannelId,
+			Username:  fUsername,
+			Password:  fPassword,
+		})
+		if err != nil {
+			t.Errorf("err: %+v", err)
+			return
+		}
+
+		res, err := notifier.Notify(context.Background(), mockSubject, mockMessage)
+		if err != nil {
+			t.Errorf("err: %+v", err)
+			return
+		}
+
+		t.Logf("ok: %v", res)
+	})
+}