Add chart and scanning event for webhook

Signed-off-by: peimingming <peimingming@corp.netease.com>

src/chartserver/reverse_proxy.go

@@ -15,9 +15,11 @@ import (
 
 	"github.com/goharbor/harbor/src/common"
 	hlog "github.com/goharbor/harbor/src/common/utils/log"
+	n_event "github.com/goharbor/harbor/src/core/notifier/event"
 	"github.com/goharbor/harbor/src/replication"
 	rep_event "github.com/goharbor/harbor/src/replication/event"
 	"github.com/justinas/alice"
+	"time"
 )
 
 const (
@@ -110,8 +112,44 @@ func modifyResponse(res *http.Response) error {
 					hlog.Errorf("failed to handle event: %v", err)
 				}
 			}()
-		}
 
+			// Trigger harbor webhook
+			if e != nil && e.Resource != nil && e.Resource.Metadata != nil && len(e.Resource.Metadata.Vtags) > 0 &&
+				len(e.Resource.ExtendedInfo) > 0 {
+				event := &n_event.Event{}
+				metaData := &n_event.ChartUploadMetaData{
+					ChartMetaData: n_event.ChartMetaData{
+						ProjectName: e.Resource.ExtendedInfo["projectName"].(string),
+						ChartName:   e.Resource.ExtendedInfo["chartName"].(string),
+						Versions:    e.Resource.Metadata.Vtags,
+						OccurAt:     time.Now(),
+						Operator:    e.Resource.ExtendedInfo["operator"].(string),
+					},
+				}
+				if err := event.Build(metaData); err != nil {
+					hlog.Errorf("failed to build chart upload event metadata: %v", err)
+				}
+				if err := event.Publish(); err != nil {
+					hlog.Errorf("failed to publish chart upload event: %v", err)
+				}
+			}
+		}
+	}
+
+	// Process downloading chart success webhook event
+	if res.StatusCode == http.StatusOK {
+		chartDownloadEvent := res.Request.Context().Value(common.ChartDownloadCtxKey)
+		eventMetaData, ok := chartDownloadEvent.(*n_event.ChartDownloadMetaData)
+		if ok && eventMetaData != nil {
+			// Trigger harbor webhook
+			event := &n_event.Event{}
+			if err := event.Build(eventMetaData); err != nil {
+				hlog.Errorf("failed to build chart download event metadata: %v", err)
+			}
+			if err := event.Publish(); err != nil {
+				hlog.Errorf("failed to publish chart download event: %v", err)
+			}
+		}
 	}
 
 	// Accept cases

src/common/const.go

@@ -142,7 +142,8 @@ const (
 	OIDCCallbackPath = "/c/oidc/callback"
 	OIDCLoginPath    = "/c/oidc/login"
 
-	ChartUploadCtxKey = contextKey("chart_upload_event")
+	ChartUploadCtxKey   = contextKey("chart_upload_event")
+	ChartDownloadCtxKey = contextKey("chart_download_event")
 
 	// Global notification enable configuration
 	NotificationEnable = "notification_enable"

src/core/api/chart_repository.go

@@ -20,13 +20,18 @@ import (
 	"github.com/goharbor/harbor/src/core/label"
 
 	"github.com/goharbor/harbor/src/core/middlewares"
+	n_event "github.com/goharbor/harbor/src/core/notifier/event"
 	rep_event "github.com/goharbor/harbor/src/replication/event"
 	"github.com/goharbor/harbor/src/replication/model"
+	"path"
+	"strconv"
+	"time"
 )
 
 const (
 	namespaceParam          = ":repo"
 	nameParam               = ":name"
+	filenameParam           = ":filename"
 	defaultRepo             = "library"
 	rootUploadingEndpoint   = "/api/chartrepo/charts"
 	rootIndexEndpoint       = "/chartrepo/index.yaml"
@@ -42,6 +47,8 @@ const (
 	formFiledNameForProv  = "prov"
 	headerContentType     = "Content-Type"
 	contentTypeMultipart  = "multipart/form-data"
+	// chartPackageFileExtension is the file extension used for chart packages
+	chartPackageFileExtension = "tgz"
 )
 
 // chartController is a singleton instance
@@ -181,6 +188,11 @@ func (cra *ChartRepositoryAPI) DownloadChart() {
 		return
 	}
 
+	namespace := cra.GetStringFromPath(namespaceParam)
+	fileName := cra.GetStringFromPath(filenameParam)
+	// Add hook event to request context
+	cra.addDownloadChartEventContext(fileName, namespace, cra.Ctx.Request)
+
 	// Directly proxy to the backend
 	chartController.ProxyTraffic(cra.Ctx.ResponseWriter, cra.Ctx.Request)
 }
@@ -278,6 +290,23 @@ func (cra *ChartRepositoryAPI) DeleteChartVersion() {
 		cra.ParseAndHandleError("fail to delete chart version", err)
 		return
 	}
+
+	event := &n_event.Event{}
+	metaData := &n_event.ChartDeleteMetaData{
+		ChartMetaData: n_event.ChartMetaData{
+			ProjectName: cra.namespace,
+			ChartName:   chartName,
+			Versions:    []string{version},
+			OccurAt:     time.Now(),
+			Operator:    cra.SecurityCtx.GetUsername(),
+		},
+	}
+	if err := event.Build(metaData); err != nil {
+		hlog.Errorf("failed to build chart delete event metadata: %v", err)
+	}
+	if err := event.Publish(); err != nil {
+		hlog.Errorf("failed to publish chart delete event: %v", err)
+	}
 }
 
 // UploadChartVersion handles POST /api/:repo/charts
@@ -355,13 +384,32 @@ func (cra *ChartRepositoryAPI) DeleteChart() {
 		return
 	}
 
+	versions := []string{}
 	for _, chartVersion := range chartVersions {
+		versions = append(versions, chartVersion.GetVersion())
 		if err := cra.removeLabelsFromChart(chartName, chartVersion.GetVersion()); err != nil {
 			cra.SendInternalServerError(err)
 			return
 		}
 	}
 
+	event := &n_event.Event{}
+	metaData := &n_event.ChartDeleteMetaData{
+		ChartMetaData: n_event.ChartMetaData{
+			ProjectName: cra.namespace,
+			ChartName:   chartName,
+			Versions:    versions,
+			OccurAt:     time.Now(),
+			Operator:    cra.SecurityCtx.GetUsername(),
+		},
+	}
+	if err := event.Build(metaData); err != nil {
+		hlog.Errorf("failed to build chart delete event metadata: %v", err)
+	}
+	if err := event.Publish(); err != nil {
+		hlog.Errorf("failed to publish chart delete event: %v", err)
+	}
+
 	if err := chartController.DeleteChart(cra.namespace, chartName); err != nil {
 		cra.SendInternalServerError(err)
 		return
@@ -446,6 +494,10 @@ func (cra *ChartRepositoryAPI) addEventContext(files []formFile, request *http.R
 				return err
 			}
 
+			extInfo := make(map[string]interface{})
+			extInfo["operator"] = cra.SecurityCtx.GetUsername()
+			extInfo["projectName"] = cra.namespace
+			extInfo["chartName"] = chartDetails.Metadata.Name
 			e := &rep_event.Event{
 				Type: rep_event.EventTypeChartUpload,
 				Resource: &model.Resource{
@@ -456,6 +508,7 @@ func (cra *ChartRepositoryAPI) addEventContext(files []formFile, request *http.R
 						},
 						Vtags: []string{chartDetails.Metadata.Version},
 					},
+					ExtendedInfo: extInfo,
 				},
 			}
 			*request = *(request.WithContext(context.WithValue(request.Context(), common.ChartUploadCtxKey, e)))
@@ -466,6 +519,20 @@ func (cra *ChartRepositoryAPI) addEventContext(files []formFile, request *http.R
 	return nil
 }
 
+func (cra *ChartRepositoryAPI) addDownloadChartEventContext(fileName, namespace string, request *http.Request) {
+	chartName, version := parseChartVersionFromFilename(fileName)
+	event := &n_event.ChartDownloadMetaData{
+		ChartMetaData: n_event.ChartMetaData{
+			ProjectName: namespace,
+			ChartName:   chartName,
+			Versions:    []string{version},
+			OccurAt:     time.Now(),
+			Operator:    cra.SecurityCtx.GetUsername(),
+		},
+	}
+	*request = *(request.WithContext(context.WithValue(request.Context(), common.ChartDownloadCtxKey, event)))
+}
+
 // If the files are uploaded with multipart/form-data mimetype, beego will extract the data
 // from the request automatically. Then the request passed to the backend server with proxying
 // way will have empty content.
@@ -555,3 +622,24 @@ func chartFullName(namespace, chartName, version string) string {
 	}
 	return fmt.Sprintf("%s/%s:%s", namespace, chartName, version)
 }
+
+// parseChartVersionFromFilename parse chart and version from file name
+func parseChartVersionFromFilename(filename string) (string, string) {
+	noExt := strings.TrimSuffix(path.Base(filename), fmt.Sprintf(".%s", chartPackageFileExtension))
+	parts := strings.Split(noExt, "-")
+	name := parts[0]
+	version := ""
+	for idx, part := range parts[1:] {
+		if _, err := strconv.Atoi(string(part[0])); err == nil { // see if this part looks like a version (starts w int)
+			version = strings.Join(parts[idx+1:], "-")
+			break
+		}
+		name = fmt.Sprintf("%s-%s", name, part)
+	}
+	if version == "" { // no parts looked like a real version, just take everything after last hyphen
+		lastIndex := len(parts) - 1
+		name = strings.Join(parts[:lastIndex], "-")
+		version = parts[lastIndex]
+	}
+	return name, version
+}

src/core/notifier/event/event.go

@@ -11,6 +11,10 @@ import (
 	"github.com/pkg/errors"
 )
 
+const (
+	autoTriggeredOperator = "auto"
+)
+
 // Event to publish
 type Event struct {
 	Topic string
@@ -111,6 +115,105 @@ func (i *ImagePullMetaData) Resolve(evt *Event) error {
 	return nil
 }
 
+// ChartMetaData defines meta data of chart event
+type ChartMetaData struct {
+	ProjectName string
+	ChartName   string
+	Versions    []string
+	OccurAt     time.Time
+	Operator    string
+}
+
+func (cmd *ChartMetaData) convert(evt *model.ChartEvent) {
+	evt.ProjectName = cmd.ProjectName
+	evt.OccurAt = cmd.OccurAt
+	evt.Operator = cmd.Operator
+	evt.ChartName = cmd.ChartName
+	evt.Versions = cmd.Versions
+}
+
+// ChartUploadMetaData defines meta data of chart upload event
+type ChartUploadMetaData struct {
+	ChartMetaData
+}
+
+// Resolve chart uploading metadata into common chart event
+func (cu *ChartUploadMetaData) Resolve(evt *Event) error {
+	data := &model.ChartEvent{
+		EventType: notifyModel.EventTypeUploadChart,
+	}
+	cu.convert(data)
+
+	evt.Topic = model.UploadChartTopic
+	evt.Data = data
+	return nil
+}
+
+// ChartDownloadMetaData defines meta data of chart download event
+type ChartDownloadMetaData struct {
+	ChartMetaData
+}
+
+// Resolve chart download metadata into common chart event
+func (cd *ChartDownloadMetaData) Resolve(evt *Event) error {
+	data := &model.ChartEvent{
+		EventType: notifyModel.EventTypeDownloadChart,
+	}
+	cd.convert(data)
+
+	evt.Topic = model.DownloadChartTopic
+	evt.Data = data
+	return nil
+}
+
+// ChartDeleteMetaData defines meta data of chart delete event
+type ChartDeleteMetaData struct {
+	ChartMetaData
+}
+
+// Resolve chart delete metadata into common chart event
+func (cd *ChartDeleteMetaData) Resolve(evt *Event) error {
+	data := &model.ChartEvent{
+		EventType: notifyModel.EventTypeDeleteChart,
+	}
+	cd.convert(data)
+
+	evt.Topic = model.DeleteChartTopic
+	evt.Data = data
+	return nil
+}
+
+// ScanImageMetaData defines meta data of image scanning event
+type ScanImageMetaData struct {
+	JobID  int64
+	Status string
+}
+
+// Resolve image scanning metadata into common chart event
+func (si *ScanImageMetaData) Resolve(evt *Event) error {
+	var eventType string
+	var topic string
+	if si.Status == models.JobFinished {
+		eventType = notifyModel.EventTypeScanningCompleted
+		topic = model.ScanningCompletedTopic
+	} else if si.Status == models.JobError {
+		eventType = notifyModel.EventTypeScanningFailed
+		topic = model.ScanningFailedTopic
+	} else {
+		return errors.New("not supported scan hook status")
+	}
+	data := &model.ScanImageEvent{
+		EventType: eventType,
+		JobID:     si.JobID,
+		OccurAt:   time.Now(),
+		Operator:  autoTriggeredOperator,
+	}
+
+	evt.Topic = topic
+	evt.Data = data
+	return nil
+}
+
 // HookMetaData defines hook notification related event data
 type HookMetaData struct {
 	PolicyID  int64

src/core/notifier/handler/notification/chart_handler.go

@@ -0,0 +1,107 @@
+package notification
+
+import (
+	"errors"
+	"fmt"
+	"github.com/goharbor/harbor/src/common/models"
+	"github.com/goharbor/harbor/src/common/utils/log"
+	"github.com/goharbor/harbor/src/core/config"
+	"github.com/goharbor/harbor/src/core/notifier/model"
+	"github.com/goharbor/harbor/src/pkg/notification"
+)
+
+// ChartPreprocessHandler preprocess chart event data
+type ChartPreprocessHandler struct {
+}
+
+// Handle preprocess chart event data and then publish hook event
+func (cph *ChartPreprocessHandler) Handle(value interface{}) error {
+	// if global notification configured disabled, return directly
+	if !config.NotificationEnable() {
+		log.Debug("notification feature is not enabled")
+		return nil
+	}
+
+	chartEvent, ok := value.(*model.ChartEvent)
+	if !ok {
+		return errors.New("invalid chart event type")
+	}
+
+	if chartEvent == nil || len(chartEvent.Versions) == 0 || len(chartEvent.ProjectName) == 0 || len(chartEvent.ChartName) == 0 {
+		return fmt.Errorf("data miss in chart event: %v", chartEvent)
+	}
+
+	project, err := config.GlobalProjectMgr.Get(chartEvent.ProjectName)
+	if err != nil {
+		log.Errorf("failed to find project[%s] for chart event: %v", chartEvent.ProjectName, err)
+		return err
+	}
+	if project == nil {
+		return fmt.Errorf("project not found for chart event: %s", chartEvent.ProjectName)
+	}
+	policies, err := notification.PolicyMgr.GetRelatedPolices(project.ProjectID, chartEvent.EventType)
+	if err != nil {
+		log.Errorf("failed to find policy for %s event: %v", chartEvent.EventType, err)
+		return err
+	}
+	// if cannot find policy including event type in project, return directly
+	if len(policies) == 0 {
+		log.Debugf("cannot find policy for %s event: %v", chartEvent.EventType, chartEvent)
+		return nil
+	}
+
+	payload, err := constructChartPayload(chartEvent, project)
+	if err != nil {
+		return err
+	}
+
+	err = sendHookWithPolicies(policies, payload, chartEvent.EventType)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// IsStateful ...
+func (cph *ChartPreprocessHandler) IsStateful() bool {
+	return false
+}
+
+func constructChartPayload(event *model.ChartEvent, project *models.Project) (*model.Payload, error) {
+	repoType := models.ProjectPrivate
+	if project.IsPublic() {
+		repoType = models.ProjectPublic
+	}
+
+	payload := &model.Payload{
+		Type:    event.EventType,
+		OccurAt: event.OccurAt.Unix(),
+		EventData: &model.EventData{
+			Repository: &model.Repository{
+				Name:         event.ChartName,
+				Namespace:    event.ProjectName,
+				RepoFullName: fmt.Sprintf("%s/%s", event.ProjectName, event.ChartName),
+				RepoType:     repoType,
+			},
+		},
+		Operator: event.Operator,
+	}
+
+	extURL, err := config.ExtEndpoint()
+	if err != nil {
+		return nil, fmt.Errorf("get external endpoint failed: %v", err)
+	}
+
+	resourcePrefix := fmt.Sprintf("%s/chartrepo/%s/charts/%s", extURL, event.ProjectName, event.ChartName)
+	for _, v := range event.Versions {
+		resURL := fmt.Sprintf("%s-%s.tgz", resourcePrefix, v)
+
+		resource := &model.Resource{
+			Tag:         v,
+			ResourceURL: resURL,
+		}
+		payload.EventData.Resources = append(payload.EventData.Resources, resource)
+	}
+	return payload, nil
+}

src/core/notifier/handler/notification/chart_handler_test.go

@@ -0,0 +1,171 @@
+package notification
+
+import (
+	"github.com/goharbor/harbor/src/common/models"
+	"github.com/goharbor/harbor/src/core/config"
+	"github.com/goharbor/harbor/src/core/notifier/model"
+	"github.com/goharbor/harbor/src/pkg/notification"
+	notificationModel "github.com/goharbor/harbor/src/pkg/notification/model"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"testing"
+)
+
+type fakedPolicyMgr struct {
+}
+
+func (f *fakedPolicyMgr) Create(*models.NotificationPolicy) (int64, error) {
+	return 0, nil
+}
+
+func (f *fakedPolicyMgr) List(id int64) ([]*models.NotificationPolicy, error) {
+	return nil, nil
+}
+
+func (f *fakedPolicyMgr) Get(id int64) (*models.NotificationPolicy, error) {
+	return nil, nil
+}
+
+func (f *fakedPolicyMgr) GetByNameAndProjectID(string, int64) (*models.NotificationPolicy, error) {
+	return nil, nil
+}
+
+func (f *fakedPolicyMgr) Update(*models.NotificationPolicy) error {
+	return nil
+}
+
+func (f *fakedPolicyMgr) Delete(int64) error {
+	return nil
+}
+
+func (f *fakedPolicyMgr) Test(*models.NotificationPolicy) error {
+	return nil
+}
+
+func (f *fakedPolicyMgr) GetRelatedPolices(id int64, eventType string) ([]*models.NotificationPolicy, error) {
+	return []*models.NotificationPolicy{
+		{
+			ID: 1,
+			EventTypes: []string{
+				notificationModel.EventTypeUploadChart,
+				notificationModel.EventTypeDownloadChart,
+				notificationModel.EventTypeDeleteChart,
+				notificationModel.EventTypeScanningCompleted,
+				notificationModel.EventTypeScanningFailed,
+			},
+			Targets: []models.EventTarget{
+				{
+					Type:    "http",
+					Address: "http://127.0.0.1:8080",
+				},
+			},
+		},
+	}, nil
+}
+
+func TestChartPreprocessHandler_Handle(t *testing.T) {
+	PolicyMgr := notification.PolicyMgr
+	defer func() {
+		notification.PolicyMgr = PolicyMgr
+	}()
+	notification.PolicyMgr = &fakedPolicyMgr{}
+
+	handler := &ChartPreprocessHandler{}
+	config.Init()
+
+	name := "project_for_test_chart_event_preprocess"
+	id, _ := config.GlobalProjectMgr.Create(&models.Project{
+		Name:    name,
+		OwnerID: 1,
+		Metadata: map[string]string{
+			models.ProMetaEnableContentTrust:   "true",
+			models.ProMetaPreventVul:           "true",
+			models.ProMetaSeverity:             "low",
+			models.ProMetaReuseSysCVEWhitelist: "false",
+		},
+	})
+	defer func(id int64) {
+		if err := config.GlobalProjectMgr.Delete(id); err != nil {
+			t.Logf("failed to delete project %d: %v", id, err)
+		}
+	}(id)
+
+	type args struct {
+		data interface{}
+	}
+	tests := []struct {
+		name    string
+		args    args
+		wantErr bool
+	}{
+		{
+			name: "ChartPreprocessHandler Want Error 1",
+			args: args{
+				data: nil,
+			},
+			wantErr: true,
+		},
+		{
+			name: "ChartPreprocessHandler Want Error 2",
+			args: args{
+				data: &model.ChartEvent{},
+			},
+			wantErr: true,
+		},
+		{
+			name: "ChartPreprocessHandler Want Error 3",
+			args: args{
+				data: &model.ChartEvent{
+					Versions: []string{
+						"v1.2.1",
+					},
+					ProjectName: "project_for_test_chart_event_preprocess",
+				},
+			},
+			wantErr: true,
+		},
+		{
+			name: "ChartPreprocessHandler Want Error 4",
+			args: args{
+				data: &model.ChartEvent{
+					Versions: []string{
+						"v1.2.1",
+					},
+					ProjectName: "project_for_test_chart_event_preprocess_not_exists",
+					ChartName:   "testChart",
+				},
+			},
+			wantErr: true,
+		},
+		{
+			name: "ChartPreprocessHandler Want Error 5",
+			args: args{
+				data: &model.ChartEvent{
+					Versions: []string{
+						"v1.2.1",
+					},
+					ProjectName: "project_for_test_chart_event_preprocess",
+					ChartName:   "testChart",
+					EventType:   "uploadChart",
+				},
+			},
+			wantErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := handler.Handle(tt.args.data)
+			if tt.wantErr {
+				require.NotNil(t, err, "Error: %s", err)
+				return
+			}
+			assert.Nil(t, err)
+		})
+	}
+}
+
+func TestChartPreprocessHandler_IsStateful(t *testing.T) {
+	handler := &ChartPreprocessHandler{}
+	assert.False(t, handler.IsStateful())
+}

src/core/notifier/handler/notification/processor.go

@@ -12,6 +12,7 @@ import (
 	"github.com/goharbor/harbor/src/core/notifier/event"
 	notifyModel "github.com/goharbor/harbor/src/core/notifier/model"
 	"github.com/goharbor/harbor/src/pkg/notification"
+	pkgNotifyModel "github.com/goharbor/harbor/src/pkg/notification/model"
 )
 
 // getNameFromImgRepoFullName gets image name from repo full name with format `repoName/imageName`
@@ -172,3 +173,30 @@ func preprocessAndSendImageHook(value interface{}) error {
 	return nil
 
 }
+
+// will return nil when it failed to get data
+func getScanOverview(digest string, tag string, eventType string) *models.ImgScanOverview {
+	if len(digest) == 0 {
+		log.Debug("digest is nil")
+		return nil
+	}
+	data, err := dao.GetImgScanOverview(digest)
+	if err != nil {
+		log.Errorf("Failed to get scan result for tag:%s, digest: %s, error: %v", tag, digest, err)
+	}
+	if data == nil {
+		return nil
+	}
+
+	// Status should set by the eventType but the status from jobData in DB
+	if eventType == pkgNotifyModel.EventTypeScanningCompleted {
+		data.Status = models.JobFinished
+	} else {
+		log.Debugf("Unsetting vulnerable related historical values, job status: %s", data.Status)
+		data.Status = models.JobError
+		data.Sev = 0
+		data.CompOverview = nil
+		data.DetailsKey = ""
+	}
+	return data
+}

src/core/notifier/handler/notification/scan_image_handler.go

@@ -0,0 +1,127 @@
+package notification
+
+import (
+	"errors"
+	"fmt"
+	"github.com/goharbor/harbor/src/common/dao"
+	"github.com/goharbor/harbor/src/common/models"
+	"github.com/goharbor/harbor/src/common/utils/log"
+	"github.com/goharbor/harbor/src/core/config"
+	"github.com/goharbor/harbor/src/core/notifier/model"
+	"github.com/goharbor/harbor/src/pkg/notification"
+	"strings"
+)
+
+// ScanImagePreprocessHandler preprocess chart event data
+type ScanImagePreprocessHandler struct {
+}
+
+// Handle preprocess chart event data and then publish hook event
+func (si *ScanImagePreprocessHandler) Handle(value interface{}) error {
+	// if global notification configured disabled, return directly
+	if !config.NotificationEnable() {
+		log.Debug("notification feature is not enabled")
+		return nil
+	}
+
+	e, ok := value.(*model.ScanImageEvent)
+	if !ok {
+		return errors.New("invalid scan image event type")
+	}
+
+	if e == nil {
+		return errors.New("empty scan image event")
+	}
+
+	job, err := dao.GetScanJob(e.JobID)
+	if err != nil {
+		log.Errorf("failed to find scan job[%d] for scanning webhook: %v", e.JobID, err)
+		return err
+	}
+	if job == nil {
+		log.Errorf("can't find scan job[%d] for scanning webhook", e.JobID)
+		return fmt.Errorf("scan job for scanning webhook not found: %d", e.JobID)
+	}
+
+	rs := strings.SplitN(job.Repository, "/", 2)
+	projectName := rs[0]
+	repoName := rs[1]
+
+	project, err := config.GlobalProjectMgr.Get(projectName)
+	if err != nil {
+		log.Errorf("failed to find project[%s] for scan image event: %v", projectName, err)
+		return err
+	}
+	policies, err := notification.PolicyMgr.GetRelatedPolices(project.ProjectID, e.EventType)
+	if err != nil {
+		log.Errorf("failed to find policy for %s event: %v", e.EventType, err)
+		return err
+	}
+	// if cannot find policy including event type in project, return directly
+	if len(policies) == 0 {
+		log.Debugf("cannot find policy for %s event: %v", e.EventType, e)
+		return nil
+	}
+
+	payload, err := constructScanImagePayload(e, job, project, projectName, repoName)
+	if err != nil {
+		return err
+	}
+
+	err = sendHookWithPolicies(policies, payload, e.EventType)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// IsStateful ...
+func (si *ScanImagePreprocessHandler) IsStateful() bool {
+	return false
+}
+
+func constructScanImagePayload(event *model.ScanImageEvent, job *models.ScanJob, project *models.Project, projectName, repoName string) (*model.Payload, error) {
+	repoType := models.ProjectPrivate
+	if project.IsPublic() {
+		repoType = models.ProjectPublic
+	}
+
+	payload := &model.Payload{
+		Type:    event.EventType,
+		OccurAt: event.OccurAt.Unix(),
+		EventData: &model.EventData{
+			Repository: &model.Repository{
+				Name:         repoName,
+				Namespace:    projectName,
+				RepoFullName: job.Repository,
+				RepoType:     repoType,
+			},
+		},
+		Operator: event.Operator,
+	}
+
+	extURL, err := config.ExtURL()
+	if err != nil {
+		return nil, fmt.Errorf("get external endpoint failed: %v", err)
+	}
+	resURL, _ := buildImageResourceURL(extURL, job.Repository, job.Tag)
+
+	// Add scan overview
+	scanOverview := getScanOverview(job.Digest, job.Tag, event.EventType)
+	if scanOverview == nil {
+		scanOverview = &models.ImgScanOverview{
+			JobID:        job.ID,
+			Status:       job.Status,
+			CreationTime: job.CreationTime,
+		}
+	}
+	resource := &model.Resource{
+		Tag:          job.Tag,
+		Digest:       job.Digest,
+		ResourceURL:  resURL,
+		ScanOverview: scanOverview,
+	}
+	payload.EventData.Resources = append(payload.EventData.Resources, resource)
+	return payload, nil
+}

src/core/notifier/handler/notification/scan_image_handler_test.go

@@ -0,0 +1,108 @@
+package notification
+
+import (
+	"github.com/goharbor/harbor/src/common/dao"
+	"github.com/goharbor/harbor/src/common/models"
+	"github.com/goharbor/harbor/src/core/config"
+	"github.com/goharbor/harbor/src/core/notifier/model"
+	"github.com/goharbor/harbor/src/pkg/notification"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"testing"
+	"time"
+)
+
+func TestScanImagePreprocessHandler_Handle(t *testing.T) {
+	PolicyMgr := notification.PolicyMgr
+	defer func() {
+		notification.PolicyMgr = PolicyMgr
+	}()
+	notification.PolicyMgr = &fakedPolicyMgr{}
+
+	handler := &ScanImagePreprocessHandler{}
+	config.Init()
+
+	name := "project_for_test_scanning_event_preprocess"
+	id, _ := config.GlobalProjectMgr.Create(&models.Project{
+		Name:    name,
+		OwnerID: 1,
+		Metadata: map[string]string{
+			models.ProMetaEnableContentTrust:   "true",
+			models.ProMetaPreventVul:           "true",
+			models.ProMetaSeverity:             "low",
+			models.ProMetaReuseSysCVEWhitelist: "false",
+		},
+	})
+	defer func(id int64) {
+		if err := config.GlobalProjectMgr.Delete(id); err != nil {
+			t.Logf("failed to delete project %d: %v", id, err)
+		}
+	}(id)
+
+	jID, _ := dao.AddScanJob(models.ScanJob{
+		Status:       "finished",
+		Repository:   "project_for_test_scanning_event_preprocess/testrepo",
+		Tag:          "v1.0.0",
+		Digest:       "sha256:5a539a2c733ca9efcd62d4561b36ea93d55436c5a86825b8e43ce8303a7a0752",
+		CreationTime: time.Now(),
+		UpdateTime:   time.Now(),
+	})
+
+	type args struct {
+		data interface{}
+	}
+	tests := []struct {
+		name    string
+		args    args
+		wantErr bool
+	}{
+		{
+			name: "ScanImagePreprocessHandler Want Error 1",
+			args: args{
+				data: nil,
+			},
+			wantErr: true,
+		},
+		{
+			name: "ScanImagePreprocessHandler Want Error 2",
+			args: args{
+				data: &model.ScanImageEvent{},
+			},
+			wantErr: true,
+		},
+		{
+			name: "ScanImagePreprocessHandler Want Error 3",
+			args: args{
+				data: &model.ScanImageEvent{
+					JobID: jID + 1000,
+				},
+			},
+			wantErr: true,
+		},
+		{
+			name: "ScanImagePreprocessHandler Want Error 4",
+			args: args{
+				data: &model.ScanImageEvent{
+					JobID: jID,
+				},
+			},
+			wantErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := handler.Handle(tt.args.data)
+			if tt.wantErr {
+				require.NotNil(t, err, "Error: %s", err)
+				return
+			}
+			assert.Nil(t, err)
+		})
+	}
+}
+
+func TestScanImagePreprocessHandler_IsStateful(t *testing.T) {
+	handler := &ScanImagePreprocessHandler{}
+	assert.False(t, handler.IsStateful())
+}

src/core/notifier/model/event.go

@@ -22,6 +22,24 @@ type ImgResource struct {
 	Tag    string
 }
 
+// ChartEvent is chart related event data to publish
+type ChartEvent struct {
+	EventType   string
+	ProjectName string
+	ChartName   string
+	Versions    []string
+	OccurAt     time.Time
+	Operator    string
+}
+
+// ScanImageEvent is scanning image related event data to publish
+type ScanImageEvent struct {
+	EventType string
+	JobID     int64
+	OccurAt   time.Time
+	Operator  string
+}
+
 // HookEvent is hook related event data to publish
 type HookEvent struct {
 	PolicyID  int64
@@ -46,9 +64,10 @@ type EventData struct {
 
 // Resource describe infos of resource triggered notification
 type Resource struct {
-	Digest      string `json:"digest,omitempty"`
+	Digest       string                  `json:"digest,omitempty"`
-	Tag         string `json:"tag"`
+	Tag          string                  `json:"tag"`
-	ResourceURL string `json:"resource_url,omitempty"`
+	ResourceURL  string                  `json:"resource_url,omitempty"`
+	ScanOverview *models.ImgScanOverview `json:"scan_overview,omitempty"`
 }
 
 // Repository info of notification event

src/core/notifier/topic/topics.go

@@ -10,10 +10,15 @@ import (
 // Subscribe topics
 func init() {
 	handlersMap := map[string][]notifier.NotificationHandler{
-		model.PushImageTopic:   {&notification.ImagePreprocessHandler{}},
+		model.PushImageTopic:         {&notification.ImagePreprocessHandler{}},
-		model.PullImageTopic:   {&notification.ImagePreprocessHandler{}},
+		model.PullImageTopic:         {&notification.ImagePreprocessHandler{}},
-		model.DeleteImageTopic: {&notification.ImagePreprocessHandler{}},
+		model.DeleteImageTopic:       {&notification.ImagePreprocessHandler{}},
-		model.WebhookTopic:     {&notification.HTTPHandler{}},
+		model.WebhookTopic:           {&notification.HTTPHandler{}},
+		model.UploadChartTopic:       {&notification.ChartPreprocessHandler{}},
+		model.DownloadChartTopic:     {&notification.ChartPreprocessHandler{}},
+		model.DeleteChartTopic:       {&notification.ChartPreprocessHandler{}},
+		model.ScanningCompletedTopic: {&notification.ScanImagePreprocessHandler{}},
+		model.ScanningFailedTopic:    {&notification.ScanImagePreprocessHandler{}},
 	}
 
 	for t, handlers := range handlersMap {

src/core/service/notifications/jobs/handler.go

@@ -24,6 +24,7 @@ import (
 	"github.com/goharbor/harbor/src/common/models"
 	"github.com/goharbor/harbor/src/common/utils/log"
 	"github.com/goharbor/harbor/src/core/api"
+	"github.com/goharbor/harbor/src/core/notifier/event"
 	"github.com/goharbor/harbor/src/pkg/notification"
 	"github.com/goharbor/harbor/src/pkg/retention"
 	"github.com/goharbor/harbor/src/replication"
@@ -81,6 +82,21 @@ func (h *Handler) Prepare() {
 // HandleScan handles the webhook of scan job
 func (h *Handler) HandleScan() {
 	log.Debugf("received san job status update event: job-%d, status-%s", h.id, h.status)
+	// Trigger image scan webhook event only for JobFinished and JobError status
+	if h.status == models.JobFinished || h.status == models.JobError {
+		e := &event.Event{}
+		metaData := &event.ScanImageMetaData{
+			JobID:  h.id,
+			Status: h.status,
+		}
+		if err := e.Build(metaData); err != nil {
+			log.Errorf("failed to build image scanning event metadata: %v", err)
+		}
+		if err := e.Publish(); err != nil {
+			log.Errorf("failed to publish image scanning event: %v", err)
+		}
+	}
+
 	if err := dao.UpdateScanJobStatus(h.id, h.status); err != nil {
 		log.Errorf("Failed to update job status, id: %d, status: %s", h.id, h.status)
 		h.SendInternalServerError(err)