Alerting: Add optional metadata via query param to silence GET requests (#88000)

* Alerting: Add optional metadata to GET silence responses

- ruleMetadata: to request rule metadata.
- accesscontrol: to request access control metadata.

pkg/services/ngalert/accesscontrol/fakes/rules.go

@@ -22,6 +22,7 @@ type FakeRuleService struct {
 	AuthorizeDatasourceAccessForRuleGroupFunc func(context.Context, identity.Requester, models.RulesGroup) error
 	HasAccessToRuleGroupFunc                  func(context.Context, identity.Requester, models.RulesGroup) (bool, error)
 	AuthorizeAccessToRuleGroupFunc            func(context.Context, identity.Requester, models.RulesGroup) error
+	HasAccessInFolderFunc                     func(context.Context, identity.Requester, accesscontrol.Namespaced) (bool, error)
 	AuthorizeAccessInFolderFunc               func(context.Context, identity.Requester, accesscontrol.Namespaced) error
 	AuthorizeRuleChangesFunc                  func(context.Context, identity.Requester, *store.GroupDelta) error
 
@@ -76,6 +77,14 @@ func (s *FakeRuleService) AuthorizeAccessToRuleGroup(ctx context.Context, user i
 	return nil
 }
 
+func (s *FakeRuleService) HasAccessInFolder(ctx context.Context, user identity.Requester, namespaced accesscontrol.Namespaced) (bool, error) {
+	s.Calls = append(s.Calls, Call{"HasAccessInFolder", []interface{}{ctx, user, namespaced}})
+	if s.HasAccessInFolderFunc != nil {
+		return s.HasAccessInFolderFunc(ctx, user, namespaced)
+	}
+	return false, nil
+}
+
 func (s *FakeRuleService) AuthorizeAccessInFolder(ctx context.Context, user identity.Requester, namespaced accesscontrol.Namespaced) error {
 	s.Calls = append(s.Calls, Call{"AuthorizeAccessInFolder", []interface{}{ctx, user, namespaced}})
 	if s.AuthorizeAccessInFolderFunc != nil {

pkg/services/ngalert/accesscontrol/fakes/silences.go

@@ -0,0 +1,58 @@
+package fakes
+
+import (
+	"context"
+
+	"github.com/grafana/grafana/pkg/services/auth/identity"
+	"github.com/grafana/grafana/pkg/services/ngalert/models"
+)
+
+type FakeSilenceService struct {
+	FilterByAccessFunc         func(ctx context.Context, user identity.Requester, silences ...*models.Silence) ([]*models.Silence, error)
+	AuthorizeReadSilenceFunc   func(ctx context.Context, user identity.Requester, silence *models.Silence) error
+	AuthorizeCreateSilenceFunc func(ctx context.Context, user identity.Requester, silence *models.Silence) error
+	AuthorizeUpdateSilenceFunc func(ctx context.Context, user identity.Requester, silence *models.Silence) error
+	SilenceAccessFunc          func(ctx context.Context, user identity.Requester, silences []*models.Silence) (map[*models.Silence]models.SilencePermissionSet, error)
+
+	Calls []Call
+}
+
+func (s *FakeSilenceService) FilterByAccess(ctx context.Context, user identity.Requester, silences ...*models.Silence) ([]*models.Silence, error) {
+	s.Calls = append(s.Calls, Call{"FilterByAccess", []interface{}{ctx, user, silences}})
+	if s.FilterByAccessFunc != nil {
+		return s.FilterByAccessFunc(ctx, user, silences...)
+	}
+	return nil, nil
+}
+
+func (s *FakeSilenceService) AuthorizeReadSilence(ctx context.Context, user identity.Requester, silence *models.Silence) error {
+	s.Calls = append(s.Calls, Call{"AuthorizeReadSilence", []interface{}{ctx, user, silence}})
+	if s.AuthorizeReadSilenceFunc != nil {
+		return s.AuthorizeReadSilenceFunc(ctx, user, silence)
+	}
+	return nil
+}
+
+func (s *FakeSilenceService) AuthorizeCreateSilence(ctx context.Context, user identity.Requester, silence *models.Silence) error {
+	s.Calls = append(s.Calls, Call{"AuthorizeCreateSilence", []interface{}{ctx, user, silence}})
+	if s.AuthorizeCreateSilenceFunc != nil {
+		return s.AuthorizeCreateSilenceFunc(ctx, user, silence)
+	}
+	return nil
+}
+
+func (s *FakeSilenceService) AuthorizeUpdateSilence(ctx context.Context, user identity.Requester, silence *models.Silence) error {
+	s.Calls = append(s.Calls, Call{"AuthorizeUpdateSilence", []interface{}{ctx, user, silence}})
+	if s.AuthorizeUpdateSilenceFunc != nil {
+		return s.AuthorizeUpdateSilenceFunc(ctx, user, silence)
+	}
+	return nil
+}
+
+func (s *FakeSilenceService) SilenceAccess(ctx context.Context, user identity.Requester, silences []*models.Silence) (map[*models.Silence]models.SilencePermissionSet, error) {
+	s.Calls = append(s.Calls, Call{"SilenceAccess", []interface{}{ctx, user, silences}})
+	if s.SilenceAccessFunc != nil {
+		return s.SilenceAccessFunc(ctx, user, silences)
+	}
+	return nil, nil
+}

pkg/services/ngalert/accesscontrol/silences.go

@@ -123,15 +123,15 @@ func (s SilenceService) FilterByAccess(ctx context.Context, user identity.Reques
 	}
 
 	result := make([]*models.Silence, 0, len(silences))
-	namespacesByAccess := make(map[string]bool) // caches results of permissions check for each namespace to avoid repeated checks for the same folder
+	accessCacheByFolder := make(map[string]bool)
 	for _, silWithFolder := range silencesWithFolders {
-		hasAccess, ok := namespacesByAccess[silWithFolder.folderUID]
+		hasAccess, ok := accessCacheByFolder[silWithFolder.folderUID]
 		if !ok {
 			hasAccess = s.authorizeReadSilence(ctx, user, silWithFolder) == nil
 
 			// Cache non-empty namespaces to avoid repeated checks for the same folder.
 			if silWithFolder.folderUID != "" {
-				namespacesByAccess[silWithFolder.folderUID] = hasAccess
+				accessCacheByFolder[silWithFolder.folderUID] = hasAccess
 			}
 		}
 		if hasAccess {
@@ -284,6 +284,66 @@ func (s SilenceService) authorizeUpdateSilence(ctx context.Context, user identit
 	})
 }
 
+// SilenceAccess returns the permission sets for a slice of silences. The permission set includes read, write, and
+// create which corresponds the given user being able to read, write, and create each given silence, respectively.
+func (s SilenceService) SilenceAccess(ctx context.Context, user identity.Requester, silences []*models.Silence) (map[*models.Silence]models.SilencePermissionSet, error) {
+	basePerms := make(models.SilencePermissionSet, 3)
+	canReadAll, err := s.authorizeReadSilencePreConditions(ctx, user)
+	if err != nil || canReadAll {
+		basePerms[models.SilencePermissionRead] = err == nil
+	}
+	canUpdateAny, err := s.authorizeUpdateSilencePreConditions(ctx, user)
+	if err != nil || canUpdateAny {
+		basePerms[models.SilencePermissionWrite] = err == nil
+	}
+	canCreateAny, err := s.authorizeCreateSilencePreConditions(ctx, user)
+	if err != nil || canCreateAny {
+		basePerms[models.SilencePermissionCreate] = err == nil
+	}
+
+	if basePerms.AllSet() {
+		// Shortcut for the case when all permissions are known based on preconditions. We don't need to hit the database to find folder UIDs.
+		return withPermissionSet(silences, basePerms), nil
+	}
+
+	silencesWithFolders, err := s.withFolders(ctx, user.GetOrgID(), silences...)
+	if err != nil {
+		return nil, err
+	}
+
+	result := make(map[*models.Silence]models.SilencePermissionSet, len(silences))
+	accessCacheByFolder := make(map[string]models.SilencePermissionSet)
+	for _, silWithFolder := range silencesWithFolders {
+		if perms, ok := accessCacheByFolder[silWithFolder.folderUID]; ok {
+			result[silWithFolder.Silence] = perms.Clone()
+			continue
+		}
+
+		permSet := basePerms.Clone()
+		if _, ok := permSet[models.SilencePermissionRead]; !ok {
+			err := s.authorizeReadSilence(ctx, user, silWithFolder)
+			permSet[models.SilencePermissionRead] = err == nil
+		}
+
+		if _, ok := permSet[models.SilencePermissionWrite]; !ok {
+			err := s.authorizeUpdateSilence(ctx, user, silWithFolder)
+			permSet[models.SilencePermissionWrite] = err == nil
+		}
+
+		if _, ok := permSet[models.SilencePermissionCreate]; !ok {
+			err := s.authorizeCreateSilence(ctx, user, silWithFolder)
+			permSet[models.SilencePermissionCreate] = err == nil
+		}
+
+		result[silWithFolder.Silence] = permSet
+		// Cache non-empty namespaces to avoid repeated checks for the same folder.
+		if silWithFolder.folderUID != "" {
+			accessCacheByFolder[silWithFolder.folderUID] = permSet
+		}
+	}
+	return result, nil
+}
+
 // withFolders resolves rule UIDs to folder UIDs for rule-specific silences and returns a list of silenceWithFolder
 // that includes rule information, if available.
 func (s SilenceService) withFolders(ctx context.Context, orgID int64, silences ...*models.Silence) ([]*silenceWithFolder, error) {
@@ -313,3 +373,11 @@ func (s SilenceService) withFolders(ctx context.Context, orgID int64, silences .
 	}
 	return result, nil
 }
+
+func withPermissionSet(silences []*models.Silence, perms models.SilencePermissionSet) map[*models.Silence]models.SilencePermissionSet {
+	result := make(map[*models.Silence]models.SilencePermissionSet, len(silences))
+	for _, silence := range silences {
+		result[silence] = perms.Clone()
+	}
+	return result
+}

pkg/services/ngalert/accesscontrol/silences_test.go

@@ -212,6 +212,12 @@ func TestAuthorizeReadSilence(t *testing.T) {
 					} else {
 						require.Equal(t, 0, store.Calls)
 					}
+
+					// Verify SilenceAccess.
+					permSets, err := svc.SilenceAccess(context.Background(), testCase.user, []*models.Silence{silence})
+					assert.NoError(t, err)
+					assert.Len(t, permSets, 1)
+					assert.Equal(t, testCase.expectedErr == nil, permSets[silence].Has(models.SilencePermissionRead))
 				})
 			}
 		})
@@ -383,6 +389,12 @@ func TestAuthorizeCreateSilence(t *testing.T) {
 					} else {
 						require.Equal(t, 0, store.Calls)
 					}
+
+					// Verify SilenceAccess.
+					permSets, err := svc.SilenceAccess(context.Background(), testCase.user, []*models.Silence{silence})
+					assert.NoError(t, err)
+					assert.Len(t, permSets, 1)
+					assert.Equal(t, expectedErr == nil, permSets[silence].Has(models.SilencePermissionCreate))
 				})
 			}
 		})
@@ -554,12 +566,275 @@ func TestAuthorizeUpdateSilence(t *testing.T) {
 					} else {
 						require.Equal(t, 0, store.Calls)
 					}
+
+					// Verify SilenceAccess.
+					permSets, err := svc.SilenceAccess(context.Background(), testCase.user, []*models.Silence{silence})
+					assert.NoError(t, err)
+					assert.Len(t, permSets, 1)
+					assert.Equal(t, expectedErr == nil, permSets[silence].Has(models.SilencePermissionWrite))
 				})
 			}
 		})
 	}
 }
 
+func TestSilenceAccess(t *testing.T) {
+	global := testSilence("global", nil)
+	ruleSilence1 := testSilence("rule-1", utils.Pointer("rule-1-uid"))
+	folder1 := "rule-1-folder-uid"
+	folder1Scope := dashboards.ScopeFoldersProvider.GetResourceScopeUID(folder1)
+	ruleSilence2 := testSilence("rule-2", utils.Pointer("rule-2-uid"))
+	folder2 := "rule-2-folder-uid"
+	folder2Scope := dashboards.ScopeFoldersProvider.GetResourceScopeUID(folder2)
+	notFoundRule := testSilence("unknown-rule", utils.Pointer("unknown-rule-uid"))
+
+	silences := []*models.Silence{
+		global,
+		ruleSilence1,
+		ruleSilence2,
+		notFoundRule,
+	}
+
+	type override struct {
+		expectedPermissions models.SilencePermissionSet
+	}
+
+	permit := func(permission ...models.SilencePermission) override {
+		o := override{expectedPermissions: models.SilencePermissionSet{}}
+		for _, p := range permission {
+			o.expectedPermissions[p] = true
+		}
+		return o
+	}
+
+	deny := func(permission ...models.SilencePermission) override {
+		o := override{expectedPermissions: models.SilencePermissionSet{}}
+		for _, p := range permission {
+			o.expectedPermissions[p] = false
+		}
+		return o
+	}
+
+	testCases := []struct {
+		name                string
+		user                identity.Requester
+		expectedPermissions models.SilencePermissionSet
+		expectedDbAccess    bool
+		overrides           map[*models.Silence]override
+	}{
+		{
+			name: "not authorized without permissions",
+			user: newUser(),
+		},
+		{
+			name: "instance read gives read access to everything",
+			user: newUser(ac.Permission{Action: instancesRead}),
+			expectedPermissions: models.SilencePermissionSet{
+				models.SilencePermissionRead: true,
+			},
+		},
+		{
+			name: "silence wildcard read gives read access to everything",
+			user: newUser(ac.Permission{Action: silenceRead, Scope: dashboards.ScopeFoldersProvider.GetResourceAllScope()}),
+			expectedPermissions: models.SilencePermissionSet{
+				models.SilencePermissionRead: true,
+			},
+		},
+		{
+			name: "silence read in folders gives read access to global and folders",
+			user: newUser(ac.Permission{Action: silenceRead, Scope: folder1Scope}, ac.Permission{Action: silenceRead, Scope: folder2Scope}),
+			overrides: map[*models.Silence]override{
+				global:       permit(models.SilencePermissionRead),
+				ruleSilence1: permit(models.SilencePermissionRead),
+				ruleSilence2: permit(models.SilencePermissionRead),
+			},
+			expectedPermissions: models.SilencePermissionSet{},
+			expectedDbAccess:    true,
+		},
+		{
+			name: "instance reade+write+create can do everything",
+			user: newUser(ac.Permission{Action: instancesRead}, ac.Permission{Action: instancesWrite}, ac.Permission{Action: instancesCreate}),
+			expectedPermissions: models.SilencePermissionSet{
+				models.SilencePermissionRead:   true,
+				models.SilencePermissionCreate: true,
+				models.SilencePermissionWrite:  true,
+			},
+		},
+		{
+			name: "silence wildcard read + instance write+create can do everything",
+			user: newUser(ac.Permission{Action: silenceRead, Scope: dashboards.ScopeFoldersProvider.GetResourceAllScope()}, ac.Permission{Action: instancesWrite}, ac.Permission{Action: instancesCreate}),
+			expectedPermissions: models.SilencePermissionSet{
+				models.SilencePermissionRead:   true,
+				models.SilencePermissionCreate: true,
+				models.SilencePermissionWrite:  true,
+			},
+		},
+		{
+			name: "instance readr+write can read and write",
+			user: newUser(ac.Permission{Action: instancesRead}, ac.Permission{Action: instancesWrite}),
+			expectedPermissions: models.SilencePermissionSet{
+				models.SilencePermissionRead:  true,
+				models.SilencePermissionWrite: true,
+			},
+		},
+		{
+			name: "silence wildcard read + instance write can read and write",
+			user: newUser(ac.Permission{Action: silenceRead, Scope: dashboards.ScopeFoldersProvider.GetResourceAllScope()}, ac.Permission{Action: instancesWrite}),
+			expectedPermissions: models.SilencePermissionSet{
+				models.SilencePermissionRead:  true,
+				models.SilencePermissionWrite: true,
+			},
+		},
+		{
+			name: "instance reader+create can read and create",
+			user: newUser(ac.Permission{Action: instancesRead}, ac.Permission{Action: instancesCreate}),
+			expectedPermissions: models.SilencePermissionSet{
+				models.SilencePermissionRead:   true,
+				models.SilencePermissionCreate: true,
+			},
+		},
+		{
+			name: "silence wildcard read + instance create can read and create",
+			user: newUser(ac.Permission{Action: silenceRead, Scope: dashboards.ScopeFoldersProvider.GetResourceAllScope()}, ac.Permission{Action: instancesCreate}),
+			expectedPermissions: models.SilencePermissionSet{
+				models.SilencePermissionRead:   true,
+				models.SilencePermissionCreate: true,
+			},
+		},
+		{
+			name:                "cannot write/create without read - instance permissions",
+			user:                newUser(ac.Permission{Action: instancesWrite}, ac.Permission{Action: instancesCreate}),
+			expectedPermissions: models.SilencePermissionSet{},
+		},
+		{
+			name:                "cannot write/create without read - silence permissions",
+			user:                newUser(ac.Permission{Action: silenceWrite, Scope: dashboards.ScopeFoldersProvider.GetResourceAllScope()}, ac.Permission{Action: silenceCreate, Scope: dashboards.ScopeFoldersProvider.GetResourceAllScope()}),
+			expectedPermissions: models.SilencePermissionSet{},
+		},
+		{
+			name: "instance read + silence write in folder",
+			user: newUser(ac.Permission{Action: silenceWrite, Scope: folder1Scope}, ac.Permission{Action: instancesRead}),
+			overrides: map[*models.Silence]override{
+				ruleSilence1: permit(models.SilencePermissionWrite),
+			},
+			expectedPermissions: models.SilencePermissionSet{
+				models.SilencePermissionRead: true,
+			},
+			expectedDbAccess: true,
+		},
+		{
+			name: "instance read + silence create in folder",
+			user: newUser(ac.Permission{Action: silenceCreate, Scope: folder1Scope}, ac.Permission{Action: instancesRead}),
+			overrides: map[*models.Silence]override{
+				ruleSilence1: permit(models.SilencePermissionCreate),
+			},
+			expectedPermissions: models.SilencePermissionSet{
+				models.SilencePermissionRead: true,
+			},
+			expectedDbAccess: true,
+		},
+		{
+			name: "silence read in folder + instance write also provides global write",
+			user: newUser(ac.Permission{Action: silenceRead, Scope: folder1Scope}, ac.Permission{Action: instancesWrite}),
+			overrides: map[*models.Silence]override{
+				global:       permit(models.SilencePermissionRead, models.SilencePermissionWrite),
+				ruleSilence1: permit(models.SilencePermissionRead, models.SilencePermissionWrite),
+			},
+			expectedPermissions: models.SilencePermissionSet{},
+			expectedDbAccess:    true,
+		},
+		{
+			name: "silence read in folder + instance create also provides global create",
+			user: newUser(ac.Permission{Action: silenceRead, Scope: folder1Scope}, ac.Permission{Action: instancesCreate}),
+			overrides: map[*models.Silence]override{
+				global:       permit(models.SilencePermissionRead, models.SilencePermissionCreate),
+				ruleSilence1: permit(models.SilencePermissionRead, models.SilencePermissionCreate),
+			},
+			expectedPermissions: models.SilencePermissionSet{},
+			expectedDbAccess:    true,
+		},
+		{
+			name: "silence wildcard write doesn't provide global write but does provide unknown rule write",
+			user: newUser(ac.Permission{Action: silenceRead, Scope: dashboards.ScopeFoldersProvider.GetResourceAllScope()}, ac.Permission{Action: silenceWrite, Scope: dashboards.ScopeFoldersProvider.GetResourceAllScope()}),
+			overrides: map[*models.Silence]override{
+				global:       deny(models.SilencePermissionWrite),
+				notFoundRule: deny(models.SilencePermissionWrite), // This is arguable, can consider changing this in the future.
+			},
+			expectedPermissions: models.SilencePermissionSet{
+				models.SilencePermissionRead:  true,
+				models.SilencePermissionWrite: true,
+			},
+			expectedDbAccess: true,
+		},
+		{
+			name: "silence wildcard create doesn't provide global create but does provide unknown rule create",
+			user: newUser(ac.Permission{Action: silenceRead, Scope: dashboards.ScopeFoldersProvider.GetResourceAllScope()}, ac.Permission{Action: silenceCreate, Scope: dashboards.ScopeFoldersProvider.GetResourceAllScope()}),
+			overrides: map[*models.Silence]override{
+				global:       deny(models.SilencePermissionCreate),
+				notFoundRule: deny(models.SilencePermissionCreate), // This is arguable, can consider changing this in the future.
+			},
+			expectedPermissions: models.SilencePermissionSet{
+				models.SilencePermissionRead:   true,
+				models.SilencePermissionCreate: true,
+			},
+			expectedDbAccess: true,
+		},
+		{
+			name: "silence read + write in single folder",
+			user: newUser(ac.Permission{Action: silenceRead, Scope: folder1Scope}, ac.Permission{Action: silenceWrite, Scope: folder1Scope}),
+			overrides: map[*models.Silence]override{
+				global:       permit(models.SilencePermissionRead),
+				ruleSilence1: permit(models.SilencePermissionRead, models.SilencePermissionWrite),
+			},
+			expectedPermissions: models.SilencePermissionSet{},
+			expectedDbAccess:    true,
+		},
+		{
+			name: "silence read + create in single folder",
+			user: newUser(ac.Permission{Action: silenceRead, Scope: folder1Scope}, ac.Permission{Action: silenceCreate, Scope: folder1Scope}),
+			overrides: map[*models.Silence]override{
+				global:       permit(models.SilencePermissionRead),
+				ruleSilence1: permit(models.SilencePermissionRead, models.SilencePermissionCreate),
+			},
+			expectedPermissions: models.SilencePermissionSet{},
+			expectedDbAccess:    true,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			ac := &recordingAccessControlFake{}
+			store := &fakeRuleUIDToNamespaceStore{
+				Response: map[string]string{
+					*ruleSilence1.GetRuleUID(): folder1,
+					*ruleSilence2.GetRuleUID(): folder2,
+				},
+			}
+			svc := NewSilenceService(ac, store)
+
+			perms, err := svc.SilenceAccess(context.Background(), tc.user, silences)
+			assert.NoError(t, err)
+			if tc.expectedDbAccess {
+				assert.Equalf(t, 1, store.Calls, "expected 1 db access, but got %d store calls", store.Calls)
+			} else {
+				assert.Equalf(t, 0, store.Calls, "expected no db access, but got %d store calls", store.Calls)
+			}
+
+			for _, silence := range silences {
+				expectedPermissions := tc.expectedPermissions.Clone()
+				if s, ok := tc.overrides[silence]; ok {
+					for k, v := range s.expectedPermissions {
+						expectedPermissions[k] = v
+					}
+				}
+				for _, permission := range models.SilencePermissions() {
+					assert.Equalf(t, expectedPermissions.Has(permission), perms[silence].Has(permission), "expected %s=%t permission for silence %s but got %t", permission, expectedPermissions.Has(permission), *silence.ID, perms[silence].Has(permission))
+				}
+			}
+		})
+	}
+}
+
 func testSilence(id string, ruleUID *string) *models.Silence {
 	s := &models.Silence{ID: &id}
 	if ruleUID != nil {

pkg/services/ngalert/api/api.go

@@ -95,11 +95,18 @@ func (api *API) RegisterAPIEndpoints(m *metrics.API) {
 		api.DatasourceCache,
 		NewLotexAM(proxy, logger),
 		&AlertmanagerSrv{
-			crypto:     api.MultiOrgAlertmanager.Crypto,
-			log:        logger,
-			ac:         api.AccessControl,
-			mam:        api.MultiOrgAlertmanager,
-			silenceSvc: notifier.NewSilenceService(accesscontrol.NewSilenceService(api.AccessControl, api.RuleStore), api.TransactionManager, logger, api.MultiOrgAlertmanager),
+			crypto: api.MultiOrgAlertmanager.Crypto,
+			log:    logger,
+			ac:     api.AccessControl,
+			mam:    api.MultiOrgAlertmanager,
+			silenceSvc: notifier.NewSilenceService(
+				accesscontrol.NewSilenceService(api.AccessControl, api.RuleStore),
+				api.TransactionManager,
+				logger,
+				api.MultiOrgAlertmanager,
+				api.RuleStore,
+				ruleAuthzService,
+			),
 		},
 	), m)
 	// Register endpoints for proxying to Prometheus-compatible backends.

pkg/services/ngalert/api/api_alertmanager_silences.go

@@ -21,6 +21,8 @@ type SilenceService interface {
 	CreateSilence(ctx context.Context, user identity.Requester, ps models.Silence) (string, error)
 	UpdateSilence(ctx context.Context, user identity.Requester, ps models.Silence) (string, error)
 	DeleteSilence(ctx context.Context, user identity.Requester, silenceID string) error
+	WithAccessControlMetadata(ctx context.Context, user identity.Requester, silencesWithMetadata ...*models.SilenceWithMetadata) error
+	WithRuleMetadata(ctx context.Context, user identity.Requester, silences ...*models.SilenceWithMetadata) error
 }
 
 // RouteGetSilence is the single silence GET endpoint for Grafana AM.
@@ -29,7 +31,22 @@ func (srv AlertmanagerSrv) RouteGetSilence(c *contextmodel.ReqContext, silenceID
 	if err != nil {
 		return response.ErrOrFallback(http.StatusInternalServerError, "failed to get silence", err)
 	}
-	return response.JSON(http.StatusOK, SilenceToGettableSilence(*silence))
+
+	silenceWithMetadata := &models.SilenceWithMetadata{
+		Silence: silence,
+	}
+	if c.QueryBool("accesscontrol") {
+		if err := srv.silenceSvc.WithAccessControlMetadata(c.Req.Context(), c.SignedInUser, silenceWithMetadata); err != nil {
+			srv.log.Error("failed to get silence access control metadata", "silenceID", silenceID, "error", err)
+		}
+	}
+	if c.QueryBool("ruleMetadata") {
+		if err := srv.silenceSvc.WithRuleMetadata(c.Req.Context(), c.SignedInUser, silenceWithMetadata); err != nil {
+			srv.log.Error("failed to get silence rule metadata", "silenceID", silenceID, "error", err)
+		}
+	}
+
+	return response.JSON(http.StatusOK, SilenceToGettableGrafanaSilence(silenceWithMetadata))
 }
 
 // RouteGetSilences is the silence list GET endpoint for Grafana AM.
@@ -38,7 +55,19 @@ func (srv AlertmanagerSrv) RouteGetSilences(c *contextmodel.ReqContext) response
 	if err != nil {
 		return response.ErrOrFallback(http.StatusInternalServerError, "failed to list silence", err)
 	}
-	return response.JSON(http.StatusOK, SilencesToGettableSilences(silences))
+
+	silencesWithMetadata := withEmptyMetadata(silences...)
+	if c.QueryBool("accesscontrol") {
+		if err := srv.silenceSvc.WithAccessControlMetadata(c.Req.Context(), c.SignedInUser, silencesWithMetadata...); err != nil {
+			srv.log.Error("failed to get silence access control metadata", "error", err)
+		}
+	}
+	if c.QueryBool("ruleMetadata") {
+		if err := srv.silenceSvc.WithRuleMetadata(c.Req.Context(), c.SignedInUser, silencesWithMetadata...); err != nil {
+			srv.log.Error("failed to get silence rule metadata", "error", err)
+		}
+	}
+	return response.JSON(http.StatusOK, SilencesToGettableGrafanaSilences(silencesWithMetadata))
 }
 
 // RouteCreateSilence is the silence POST (create + update) endpoint for Grafana AM.
@@ -69,3 +98,15 @@ func (srv AlertmanagerSrv) RouteDeleteSilence(c *contextmodel.ReqContext, silenc
 	}
 	return response.JSON(http.StatusOK, util.DynMap{"message": "silence deleted"})
 }
+
+// withEmptyMetadata creates a slice of SilenceWithMetadata from a slice of Silence where the metadata for each silence
+// is empty.
+func withEmptyMetadata(silences ...*models.Silence) []*models.SilenceWithMetadata {
+	silencesWithMetadata := make([]*models.SilenceWithMetadata, 0, len(silences))
+	for _, silence := range silences {
+		silencesWithMetadata = append(silencesWithMetadata, &models.SilenceWithMetadata{
+			Silence: silence,
+		})
+	}
+	return silencesWithMetadata
+}

pkg/services/ngalert/api/api_alertmanager_test.go

@@ -633,12 +633,13 @@ func createSut(t *testing.T) AlertmanagerSrv {
 	log := log.NewNopLogger()
 	ac := acimpl.ProvideAccessControl(featuremgmt.WithFeatures())
 	ruleStore := ngfakes.NewRuleStore(t)
+	ruleAuthzService := accesscontrol.NewRuleService(acimpl.ProvideAccessControl(featuremgmt.WithFeatures()))
 	return AlertmanagerSrv{
 		mam:        mam,
 		crypto:     mam.Crypto,
 		ac:         ac,
 		log:        log,
-		silenceSvc: notifier.NewSilenceService(accesscontrol.NewSilenceService(ac, ruleStore), ruleStore, log, mam),
+		silenceSvc: notifier.NewSilenceService(accesscontrol.NewSilenceService(ac, ruleStore), ruleStore, log, mam, ruleStore, ruleAuthzService),
 	}
 }
 

pkg/services/ngalert/api/compat_silences.go

@@ -1,20 +1,46 @@
 package api
 
 import (
+	"fmt"
+
 	"github.com/grafana/grafana/pkg/services/ngalert/api/tooling/definitions"
 	"github.com/grafana/grafana/pkg/services/ngalert/models"
 )
 
 // Silence-specific compat functions to convert between API and model types.
 
-func SilenceToGettableSilence(s models.Silence) definitions.GettableSilence {
-	return definitions.GettableSilence(s)
+func SilenceToGettableGrafanaSilence(s *models.SilenceWithMetadata) definitions.GettableGrafanaSilence {
+	gettable := definitions.GettableGrafanaSilence{
+		GettableSilence: (*definitions.GettableSilence)(s.Silence),
+	}
+
+	if s.Metadata.Permissions != nil {
+		gettable.Permissions = make(map[definitions.SilencePermission]bool, len(*s.Metadata.Permissions))
+		for _, permission := range models.SilencePermissions() {
+			p, err := SilencePermissionToAPI(permission)
+			if err != nil {
+				// Skip unknown permissions in response.
+				continue
+			}
+			gettable.Permissions[p] = s.Metadata.Permissions.Has(permission)
+		}
+	}
+
+	if s.Metadata.RuleMetadata != nil {
+		gettable.Metadata = &definitions.SilenceMetadata{
+			RuleUID:   s.Metadata.RuleMetadata.RuleUID,
+			RuleTitle: s.Metadata.RuleMetadata.RuleTitle,
+			FolderUID: s.Metadata.RuleMetadata.FolderUID,
+		}
+	}
+
+	return gettable
 }
 
-func SilencesToGettableSilences(silences []*models.Silence) definitions.GettableSilences {
-	res := make(definitions.GettableSilences, 0, len(silences))
+func SilencesToGettableGrafanaSilences(silences []*models.SilenceWithMetadata) definitions.GettableGrafanaSilences {
+	res := make(definitions.GettableGrafanaSilences, 0, len(silences))
 	for _, sil := range silences {
-		apiSil := SilenceToGettableSilence(*sil)
+		apiSil := SilenceToGettableGrafanaSilence(sil)
 		res = append(res, &apiSil)
 	}
 	return res
@@ -28,3 +54,16 @@ func PostableSilenceToSilence(s definitions.PostableSilence) models.Silence {
 		Silence:   s.Silence,
 	}
 }
+
+func SilencePermissionToAPI(p models.SilencePermission) (definitions.SilencePermission, error) {
+	switch p {
+	case models.SilencePermissionRead:
+		return definitions.SilencePermissionRead, nil
+	case models.SilencePermissionCreate:
+		return definitions.SilencePermissionCreate, nil
+	case models.SilencePermissionWrite:
+		return definitions.SilencePermissionWrite, nil
+	default:
+		return "", fmt.Errorf("unknown permission: %s", p)
+	}
+}

pkg/services/ngalert/api/tooling/definitions/alertmanager.go

@@ -8,12 +8,13 @@ import (
 	"time"
 
 	"github.com/go-openapi/strfmt"
-	"github.com/grafana/alerting/definition"
 	"github.com/mohae/deepcopy"
 	amv2 "github.com/prometheus/alertmanager/api/v2/models"
 	"github.com/prometheus/alertmanager/config"
 	"github.com/prometheus/common/model"
 	"gopkg.in/yaml.v3"
+
+	"github.com/grafana/alerting/definition"
 )
 
 // swagger:route POST /alertmanager/grafana/config/api/v1/alerts alertmanager RoutePostGrafanaAlertingConfig
@@ -182,7 +183,7 @@ import (
 // get silences
 //
 //     Responses:
-//       200: gettableSilences
+//       200: gettableGrafanaSilences
 //       400: ValidationError
 
 // swagger:route GET /alertmanager/{DatasourceUID}/api/v2/silences alertmanager RouteGetSilences
@@ -216,7 +217,7 @@ import (
 // get silence
 //
 //     Responses:
-//       200: gettableSilence
+//       200: gettableGrafanaSilence
 //       400: ValidationError
 
 // swagger:route GET /alertmanager/{DatasourceUID}/api/v2/silence/{SilenceId} alertmanager RouteGetSilence
@@ -389,6 +390,14 @@ type GetDeleteSilenceParams struct {
 type GetSilencesParams struct {
 	// in:query
 	Filter []string `json:"filter"`
+	// Return rule metadata with silence.
+	// in:query
+	// required:false
+	RuleMetadata bool `json:"ruleMetadata"`
+	// Return access control metadata with silence.
+	// in:query
+	// required:false
+	AccessControl bool `json:"accesscontrol"`
 }
 
 // swagger:model
@@ -479,6 +488,55 @@ type GettableSilences = amv2.GettableSilences
 // swagger:model gettableSilence
 type GettableSilence = amv2.GettableSilence
 
+// swagger:model gettableGrafanaSilence
+type GettableGrafanaSilence struct {
+	*GettableSilence `json:",inline"`
+	Metadata         *SilenceMetadata `json:"metadata,omitempty"`
+	// example: {"read": true, "write": false, "create": false}
+	Permissions map[SilencePermission]bool `json:"accessControl,omitempty"`
+}
+
+type SilenceMetadata struct {
+	RuleUID   string `json:"rule_uid,omitempty"`
+	RuleTitle string `json:"rule_title,omitempty"`
+	FolderUID string `json:"folder_uid,omitempty"`
+}
+
+type SilencePermission string
+
+const (
+	SilencePermissionRead   SilencePermission = "read"
+	SilencePermissionCreate SilencePermission = "create"
+	SilencePermissionWrite  SilencePermission = "write"
+)
+
+// Correctly embed the GettableSilence into the GettableGrafanaSilence struct. This is needed because GettableSilence
+// has a custom UnmarshalJSON method.
+func (s GettableGrafanaSilence) MarshalJSON() ([]byte, error) {
+	gettable, err := json.Marshal(s.GettableSilence)
+	if err != nil {
+		return nil, err
+	}
+
+	var data map[string]interface{}
+	if err := json.Unmarshal(gettable, &data); err != nil {
+		return nil, err
+	}
+
+	if s.Metadata != nil {
+		data["metadata"] = s.Metadata
+	}
+
+	if s.Permissions != nil {
+		data["accessControl"] = s.Permissions
+	}
+
+	return json.Marshal(data)
+}
+
+// swagger:model gettableGrafanaSilences
+type GettableGrafanaSilences []*GettableGrafanaSilence
+
 // swagger:model gettableAlerts
 type GettableAlerts = amv2.GettableAlerts
 

pkg/services/ngalert/models/alert_rule.go

@@ -14,6 +14,7 @@ import (
 
 	"github.com/google/go-cmp/cmp"
 	"github.com/google/go-cmp/cmp/cmpopts"
+
 	"github.com/grafana/grafana-plugin-sdk-go/data"
 
 	alertingModels "github.com/grafana/alerting/models"
@@ -609,6 +610,7 @@ type GetAlertRulesGroupByRuleUIDQuery struct {
 // ListAlertRulesQuery is the query for listing alert rules
 type ListAlertRulesQuery struct {
 	OrgID         int64
+	RuleUIDs      []string
 	NamespaceUIDs []string
 	ExcludeOrgs   []int64
 	RuleGroups    []string

pkg/services/ngalert/models/silence.go

@@ -2,6 +2,7 @@ package models
 
 import (
 	amv2 "github.com/prometheus/alertmanager/api/v2/models"
+	"golang.org/x/exp/maps"
 
 	alertingModels "github.com/grafana/alerting/models"
 	"github.com/grafana/alerting/notify"
@@ -35,3 +36,63 @@ func isEqualMatcher(m amv2.Matcher) bool {
 	// If IsEqual is nil, it is considered to be true.
 	return (m.IsEqual == nil || *m.IsEqual) && (m.IsRegex == nil || !*m.IsRegex)
 }
+
+// SilenceWithMetadata is a helper type for managing a silence with associated metadata.
+type SilenceWithMetadata struct {
+	*Silence
+	Metadata SilenceMetadata
+}
+
+// SilenceMetadata contains metadata about a silence. Fields are pointers to allow for metadata to be optionally loaded.
+type SilenceMetadata struct {
+	RuleMetadata *SilenceRuleMetadata
+	Permissions  *SilencePermissionSet
+}
+
+// SilenceRuleMetadata contains metadata about the rule associated with a silence.
+type SilenceRuleMetadata struct {
+	RuleUID   string
+	RuleTitle string
+	FolderUID string
+}
+
+// SilencePermission is a type for representing a silence permission.
+type SilencePermission string
+
+const (
+	SilencePermissionRead   SilencePermission = "read"
+	SilencePermissionCreate SilencePermission = "create"
+	SilencePermissionWrite  SilencePermission = "write"
+)
+
+// SilencePermissions returns all possible silence permissions.
+func SilencePermissions() [3]SilencePermission {
+	return [3]SilencePermission{
+		SilencePermissionRead,
+		SilencePermissionCreate,
+		SilencePermissionWrite,
+	}
+}
+
+// SilencePermissionSet represents a set of permissions for a silence.
+type SilencePermissionSet map[SilencePermission]bool
+
+// Clone returns a deep copy of the permission set.
+func (p SilencePermissionSet) Clone() SilencePermissionSet {
+	return maps.Clone(p)
+}
+
+// AllSet returns true if all possible permissions are set.
+func (p SilencePermissionSet) AllSet() bool {
+	for _, permission := range SilencePermissions() {
+		if _, ok := p[permission]; !ok {
+			return false
+		}
+	}
+	return true
+}
+
+// Has returns true if the given permission is allowed in the set.
+func (p SilencePermissionSet) Has(permission SilencePermission) bool {
+	return p[permission]
+}

pkg/services/ngalert/models/silence_test.go

@@ -48,3 +48,95 @@ func TestSilenceGetRuleUID(t *testing.T) {
 		})
 	}
 }
+
+func TestSilencePermissionSet(t *testing.T) {
+	t.Run("Clone", func(t *testing.T) {
+		perms := SilencePermissionSet{
+			SilencePermissionRead:  true,
+			SilencePermissionWrite: false,
+		}
+		clone := perms.Clone()
+		assert.Equal(t, perms, clone)
+		clone[SilencePermissionRead] = false
+		assert.NotEqual(t, perms, clone)
+	})
+
+	t.Run("AllSet + SilencePermissions", func(t *testing.T) {
+		readPerms := SilencePermissionSet{
+			SilencePermissionRead: true,
+		}
+		assert.False(t, readPerms.AllSet())
+
+		allPerms := SilencePermissionSet{}
+		for _, perm := range SilencePermissions() {
+			allPerms[perm] = true
+		}
+		assert.True(t, allPerms.AllSet())
+	})
+
+	t.Run("Has", func(t *testing.T) {
+		testCases := []struct {
+			name          string
+			permissionSet SilencePermissionSet
+			expectedHas   map[SilencePermission]bool
+		}{
+			{
+				name: "all false",
+				permissionSet: SilencePermissionSet{
+					SilencePermissionRead:   false,
+					SilencePermissionWrite:  false,
+					SilencePermissionCreate: false,
+				},
+				expectedHas: map[SilencePermission]bool{
+					SilencePermissionRead:   false,
+					SilencePermissionWrite:  false,
+					SilencePermissionCreate: false,
+				},
+			},
+			{
+				name: "all true",
+				permissionSet: SilencePermissionSet{
+					SilencePermissionRead:   true,
+					SilencePermissionWrite:  true,
+					SilencePermissionCreate: true,
+				},
+				expectedHas: map[SilencePermission]bool{
+					SilencePermissionRead:   true,
+					SilencePermissionWrite:  true,
+					SilencePermissionCreate: true,
+				},
+			},
+			{
+				name: "mixed",
+				permissionSet: SilencePermissionSet{
+					SilencePermissionRead:   true,
+					SilencePermissionWrite:  false,
+					SilencePermissionCreate: true,
+				},
+				expectedHas: map[SilencePermission]bool{
+					SilencePermissionRead:   true,
+					SilencePermissionWrite:  false,
+					SilencePermissionCreate: true,
+				},
+			},
+			{
+				name: "not set = false",
+				permissionSet: SilencePermissionSet{
+					SilencePermissionRead: true,
+				},
+				expectedHas: map[SilencePermission]bool{
+					SilencePermissionRead:   true,
+					SilencePermissionWrite:  false,
+					SilencePermissionCreate: false,
+				},
+			},
+		}
+		for _, tc := range testCases {
+			t.Run(tc.name, func(t *testing.T) {
+				for perm, expected := range tc.expectedHas {
+					assert.Equal(t, expected, tc.permissionSet.Has(perm))
+				}
+			})
+		}
+	})
+}

pkg/services/ngalert/notifier/silence_svc.go

@@ -3,17 +3,26 @@ package notifier
 import (
 	"context"
 
+	"golang.org/x/exp/maps"
+
 	"github.com/grafana/grafana/pkg/infra/log"
 	"github.com/grafana/grafana/pkg/services/auth/identity"
+	"github.com/grafana/grafana/pkg/services/ngalert/accesscontrol"
 	"github.com/grafana/grafana/pkg/services/ngalert/models"
 )
 
 // SilenceService is the authenticated service for managing alertmanager silences.
 type SilenceService struct {
-	authz SilenceAccessControlService
-	xact  transactionManager
-	log   log.Logger
-	store SilenceStore
+	authz     SilenceAccessControlService
+	xact      transactionManager
+	log       log.Logger
+	store     SilenceStore
+	ruleStore RuleStore
+	ruleAuthz RuleAccessControlService
+}
+
+type RuleAccessControlService interface {
+	HasAccessInFolder(ctx context.Context, user identity.Requester, rule accesscontrol.Namespaced) (bool, error)
 }
 
 // SilenceAccessControlService provides access control for silences.
@@ -22,6 +31,7 @@ type SilenceAccessControlService interface {
 	AuthorizeReadSilence(ctx context.Context, user identity.Requester, silence *models.Silence) error
 	AuthorizeCreateSilence(ctx context.Context, user identity.Requester, silence *models.Silence) error
 	AuthorizeUpdateSilence(ctx context.Context, user identity.Requester, silence *models.Silence) error
+	SilenceAccess(ctx context.Context, user identity.Requester, silences []*models.Silence) (map[*models.Silence]models.SilencePermissionSet, error)
 }
 
 // SilenceStore is the interface for storing and retrieving silences. Currently, this is implemented by
@@ -34,43 +44,51 @@ type SilenceStore interface {
 	DeleteSilence(ctx context.Context, orgID int64, id string) error
 }
 
+type RuleStore interface {
+	ListAlertRules(ctx context.Context, query *models.ListAlertRulesQuery) (models.RulesGroup, error)
+}
+
 func NewSilenceService(
 	authz SilenceAccessControlService,
 	xact transactionManager,
 	log log.Logger,
 	store SilenceStore,
+	ruleStore RuleStore,
+	ruleAuthz RuleAccessControlService,
 ) *SilenceService {
 	return &SilenceService{
-		authz: authz,
-		xact:  xact,
-		log:   log,
-		store: store,
+		authz:     authz,
+		xact:      xact,
+		log:       log,
+		store:     store,
+		ruleStore: ruleStore,
+		ruleAuthz: ruleAuthz,
 	}
 }
 
 // GetSilence retrieves a silence by its ID.
 func (s *SilenceService) GetSilence(ctx context.Context, user identity.Requester, silenceID string) (*models.Silence, error) {
-	gettableSilence, err := s.store.GetSilence(ctx, user.GetOrgID(), silenceID)
+	silence, err := s.store.GetSilence(ctx, user.GetOrgID(), silenceID)
 	if err != nil {
 		return nil, err
 	}
 
-	if err := s.authz.AuthorizeReadSilence(ctx, user, gettableSilence); err != nil {
+	if err := s.authz.AuthorizeReadSilence(ctx, user, silence); err != nil {
 		return nil, err
 	}
 
-	return gettableSilence, nil
+	return silence, nil
 }
 
 // ListSilences retrieves all silences that match the given filter. This will include all rule-specific silences that
 // the user has access to as well as all general silences.
 func (s *SilenceService) ListSilences(ctx context.Context, user identity.Requester, filter []string) ([]*models.Silence, error) {
-	gettableSilences, err := s.store.ListSilences(ctx, user.GetOrgID(), filter)
+	silences, err := s.store.ListSilences(ctx, user.GetOrgID(), filter)
 	if err != nil {
 		return nil, err
 	}
 
-	return s.authz.FilterByAccess(ctx, user, gettableSilences...)
+	return s.authz.FilterByAccess(ctx, user, silences...)
 }
 
 // CreateSilence creates a new silence.
@@ -125,3 +143,86 @@ func (s *SilenceService) DeleteSilence(ctx context.Context, user identity.Reques
 
 	return nil
 }
+
+// WithAccessControlMetadata adds access control metadata to the given SilenceWithMetadata.
+func (s *SilenceService) WithAccessControlMetadata(ctx context.Context, user identity.Requester, silencesWithMetadata ...*models.SilenceWithMetadata) error {
+	silences := make([]*models.Silence, 0, len(silencesWithMetadata))
+	for _, silence := range silencesWithMetadata {
+		silences = append(silences, silence.Silence)
+	}
+	permissions, err := s.authz.SilenceAccess(ctx, user, silences)
+	if err != nil {
+		return err
+	}
+
+	if len(permissions) != len(silences) {
+		s.log.Warn("failed to get metadata for all silences")
+	}
+
+	for _, silence := range silencesWithMetadata {
+		if perms, ok := permissions[silence.Silence]; ok {
+			silence.Metadata.Permissions = &perms
+		}
+	}
+
+	return nil
+}
+
+// WithRuleMetadata adds rule metadata to the given SilenceWithMetadata.
+func (s *SilenceService) WithRuleMetadata(ctx context.Context, user identity.Requester, silences ...*models.SilenceWithMetadata) error {
+	byRuleUID := make(map[string][]*models.SilenceWithMetadata, len(silences))
+	for _, silence := range silences {
+		ruleUID := silence.GetRuleUID()
+		if ruleUID != nil {
+			byRuleUID[*ruleUID] = append(byRuleUID[*ruleUID], silence)
+			silence.Metadata.RuleMetadata = &models.SilenceRuleMetadata{ // Attach metadata with rule UID regardless of access.
+				RuleUID: *ruleUID,
+			}
+		}
+	}
+
+	if len(byRuleUID) == 0 {
+		return nil
+	}
+
+	q := models.ListAlertRulesQuery{
+		RuleUIDs: maps.Keys(byRuleUID),
+		OrgID:    user.GetOrgID(),
+	}
+
+	rules, err := s.ruleStore.ListAlertRules(ctx, &q)
+	if err != nil {
+		return err
+	}
+
+	accessCacheByFolder := make(map[string]bool)
+	for _, rule := range rules {
+		// TODO: Preferably silence service should not need to know about the internal details of rule access control.
+		// This can be improved by adding a method to ruleAuthz that does the filtering itself or a method that exposes
+		// an access fingerprint for a rule that callers can use to do their own caching.
+		fp := rule.NamespaceUID
+		canAccess, ok := accessCacheByFolder[fp]
+		if !ok {
+			var err error
+			if canAccess, err = s.ruleAuthz.HasAccessInFolder(ctx, user, rule); err != nil {
+				continue // Assume no access if there is an error but don't cache.
+			}
+			accessCacheByFolder[fp] = canAccess // Only cache if there is no error.
+		}
+		if !canAccess {
+			continue
+		}
+
+		if ruleSilences, ok := byRuleUID[rule.UID]; ok {
+			for _, sil := range ruleSilences {
+				if sil.Metadata.RuleMetadata == nil {
+					sil.Metadata.RuleMetadata = &models.SilenceRuleMetadata{}
+				}
+				sil.Metadata.RuleMetadata.RuleTitle = rule.Title
+				sil.Metadata.RuleMetadata.FolderUID = rule.NamespaceUID
+			}
+		}
+	}
+
+	return nil
+}

pkg/services/ngalert/notifier/silence_svc_test.go

@@ -0,0 +1,163 @@
+package notifier
+
+import (
+	"context"
+	"math/rand"
+	"testing"
+
+	"github.com/prometheus/alertmanager/pkg/labels"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	alertingmodels "github.com/grafana/alerting/models"
+	ngfakes "github.com/grafana/grafana/pkg/services/ngalert/tests/fakes"
+
+	ac "github.com/grafana/grafana/pkg/services/accesscontrol"
+	"github.com/grafana/grafana/pkg/services/auth/identity"
+	"github.com/grafana/grafana/pkg/services/ngalert/accesscontrol"
+	"github.com/grafana/grafana/pkg/services/ngalert/accesscontrol/fakes"
+	"github.com/grafana/grafana/pkg/services/ngalert/models"
+	"github.com/grafana/grafana/pkg/services/org"
+	"github.com/grafana/grafana/pkg/util"
+)
+
+func TestWithAccessControlMetadata(t *testing.T) {
+	user := ac.BackgroundUser("test", 1, org.RoleNone, nil)
+	silencesWithMetadata := []*models.SilenceWithMetadata{
+		{Silence: util.Pointer(models.SilenceGen()())},
+		{Silence: util.Pointer(models.SilenceGen()())},
+		{Silence: util.Pointer(models.SilenceGen()())},
+	}
+	randPerm := func() models.SilencePermissionSet {
+		return models.SilencePermissionSet{
+			models.SilencePermissionRead:   rand.Intn(2) == 1,
+			models.SilencePermissionWrite:  rand.Intn(2) == 1,
+			models.SilencePermissionCreate: rand.Intn(2) == 1,
+		}
+	}
+	t.Run("Attach permissions to silences", func(t *testing.T) {
+		authz := fakes.FakeSilenceService{}
+		response := map[*models.Silence]models.SilencePermissionSet{
+			silencesWithMetadata[0].Silence: randPerm(),
+			silencesWithMetadata[1].Silence: randPerm(),
+			silencesWithMetadata[2].Silence: randPerm(),
+		}
+		authz.SilenceAccessFunc = func(ctx context.Context, user identity.Requester, silences []*models.Silence) (map[*models.Silence]models.SilencePermissionSet, error) {
+			return response, nil
+		}
+		svc := SilenceService{
+			authz: &authz,
+		}
+
+		require.NoError(t, svc.WithAccessControlMetadata(context.Background(), user, silencesWithMetadata...))
+		for _, silence := range silencesWithMetadata {
+			assert.Equal(t, response[silence.Silence], *silence.Metadata.Permissions)
+		}
+	})
+}
+
+func TestWithRuleMetadata(t *testing.T) {
+	user := ac.BackgroundUser("test", 1, org.RoleNone, nil)
+	t.Run("Attach rule metadata to silences", func(t *testing.T) {
+		ruleAuthz := fakes.FakeRuleService{}
+		ruleAuthz.HasAccessInFolderFunc = func(ctx context.Context, user identity.Requester, silence accesscontrol.Namespaced) (bool, error) {
+			return true, nil
+		}
+
+		rules := []*models.AlertRule{
+			{UID: "rule1", NamespaceUID: "folder1"},
+			{UID: "rule2", NamespaceUID: "folder2"},
+			{UID: "rule3", NamespaceUID: "folder3"},
+		}
+		ruleStore := ngfakes.NewRuleStore(t)
+		ruleStore.Rules[1] = rules
+		svc := SilenceService{
+			ruleAuthz: &ruleAuthz,
+			ruleStore: ruleStore,
+		}
+
+		silencesWithMetadata := []*models.SilenceWithMetadata{
+			{Silence: util.Pointer(models.SilenceGen(models.SilenceMuts.WithMatcher(alertingmodels.RuleUIDLabel, "rule1", labels.MatchEqual))())},
+			{Silence: util.Pointer(models.SilenceGen(models.SilenceMuts.WithMatcher(alertingmodels.RuleUIDLabel, "rule2", labels.MatchEqual))())},
+			{Silence: util.Pointer(models.SilenceGen(models.SilenceMuts.WithMatcher(alertingmodels.RuleUIDLabel, "rule3", labels.MatchEqual))())},
+		}
+
+		require.NoError(t, svc.WithRuleMetadata(context.Background(), user, silencesWithMetadata...))
+		for i, silence := range silencesWithMetadata {
+			metadata := &models.SilenceRuleMetadata{
+				RuleUID:   rules[i].UID,
+				RuleTitle: rules[i].Title,
+				FolderUID: rules[i].NamespaceUID,
+			}
+			assert.Equal(t, silence.Metadata, models.SilenceMetadata{RuleMetadata: metadata})
+		}
+	})
+	t.Run("Don't attach full rule metadata if no access or global", func(t *testing.T) {
+		ruleAuthz := fakes.FakeRuleService{}
+		ruleAuthz.HasAccessInFolderFunc = func(ctx context.Context, user identity.Requester, silence accesscontrol.Namespaced) (bool, error) {
+			return silence.GetNamespaceUID() == "folder1", nil
+		}
+
+		rules := []*models.AlertRule{
+			{UID: "rule1", NamespaceUID: "folder1"},
+			{UID: "rule2", NamespaceUID: "folder2"},
+			{UID: "rule3", NamespaceUID: "folder3"},
+		}
+		ruleStore := ngfakes.NewRuleStore(t)
+		ruleStore.Rules[1] = rules
+		svc := SilenceService{
+			ruleAuthz: &ruleAuthz,
+			ruleStore: ruleStore,
+		}
+
+		silencesWithMetadata := []*models.SilenceWithMetadata{
+			{Silence: util.Pointer(models.SilenceGen(models.SilenceMuts.WithMatcher(alertingmodels.RuleUIDLabel, "rule1", labels.MatchEqual))())},
+			{Silence: util.Pointer(models.SilenceGen(models.SilenceMuts.WithMatcher(alertingmodels.RuleUIDLabel, "rule2", labels.MatchEqual))())},
+			{Silence: util.Pointer(models.SilenceGen(models.SilenceMuts.WithMatcher(alertingmodels.RuleUIDLabel, "rule3", labels.MatchEqual))())},
+			{Silence: util.Pointer(models.SilenceGen()())},
+		}
+
+		require.NoError(t, svc.WithRuleMetadata(context.Background(), user, silencesWithMetadata...))
+		assert.Equal(t, silencesWithMetadata[0].Metadata, models.SilenceMetadata{RuleMetadata: &models.SilenceRuleMetadata{ // Attach all metadata.
+			RuleUID:   rules[0].UID,
+			RuleTitle: rules[0].Title,
+			FolderUID: rules[0].NamespaceUID,
+		}})
+		assert.Equal(t, silencesWithMetadata[1].Metadata, models.SilenceMetadata{RuleMetadata: &models.SilenceRuleMetadata{ // Attach metadata with rule UID regardless of access.
+			RuleUID: rules[1].UID,
+		}})
+		assert.Equal(t, silencesWithMetadata[2].Metadata, models.SilenceMetadata{RuleMetadata: &models.SilenceRuleMetadata{ // Attach metadata with rule UID regardless of access.
+			RuleUID: rules[2].UID,
+		}})
+		assert.Equal(t, silencesWithMetadata[3].Metadata, models.SilenceMetadata{}) // Global silence, no rule metadata.
+	})
+	t.Run("Don't check same namespace access more than once", func(t *testing.T) {
+		ruleAuthz := fakes.FakeRuleService{}
+		ruleAuthz.HasAccessInFolderFunc = func(ctx context.Context, user identity.Requester, silence accesscontrol.Namespaced) (bool, error) {
+			return true, nil
+		}
+
+		rules := []*models.AlertRule{
+			{UID: "rule1", NamespaceUID: "folder1"},
+			{UID: "rule2", NamespaceUID: "folder1"},
+			{UID: "rule3", NamespaceUID: "folder1"},
+		}
+		ruleStore := ngfakes.NewRuleStore(t)
+		ruleStore.Rules[1] = rules
+		svc := SilenceService{
+			ruleAuthz: &ruleAuthz,
+			ruleStore: ruleStore,
+		}
+
+		silencesWithMetadata := []*models.SilenceWithMetadata{
+			{Silence: util.Pointer(models.SilenceGen(models.SilenceMuts.WithMatcher(alertingmodels.RuleUIDLabel, "rule1", labels.MatchEqual))())},
+			{Silence: util.Pointer(models.SilenceGen(models.SilenceMuts.WithMatcher(alertingmodels.RuleUIDLabel, "rule2", labels.MatchEqual))())},
+			{Silence: util.Pointer(models.SilenceGen(models.SilenceMuts.WithMatcher(alertingmodels.RuleUIDLabel, "rule3", labels.MatchEqual))())},
+		}
+
+		require.NoError(t, svc.WithRuleMetadata(context.Background(), user, silencesWithMetadata...))
+		assert.Lenf(t, ruleAuthz.Calls, 1, "HasAccessInFolder should be called only once per namespace")
+		assert.Equal(t, "HasAccessInFolder", ruleAuthz.Calls[0].MethodName)
+		assert.Equal(t, "folder1", ruleAuthz.Calls[0].Arguments[2].(accesscontrol.Namespaced).GetNamespaceUID())
+	})
+}

pkg/services/ngalert/store/alert_rule.go

@@ -367,6 +367,11 @@ func (st DBstore) ListAlertRules(ctx context.Context, query *ngmodels.ListAlertR
 			q = q.Where(fmt.Sprintf("namespace_uid IN (%s)", strings.Join(in, ",")), args...)
 		}
 
+		if len(query.RuleUIDs) > 0 {
+			args, in := getINSubQueryArgs(query.RuleUIDs)
+			q = q.Where(fmt.Sprintf("uid IN (%s)", strings.Join(in, ",")), args...)
+		}
+
 		if len(query.RuleGroups) > 0 {
 			args, in := getINSubQueryArgs(query.RuleGroups)
 			q = q.Where(fmt.Sprintf("rule_group IN (%s)", strings.Join(in, ",")), args...)

pkg/services/ngalert/tests/fakes/rules.go

@@ -210,6 +210,9 @@ func (f *RuleStore) ListAlertRules(_ context.Context, q *models.ListAlertRulesQu
 		if len(q.RuleGroups) > 0 && !slices.Contains(q.RuleGroups, r.RuleGroup) {
 			continue
 		}
+		if len(q.RuleUIDs) > 0 && !slices.Contains(q.RuleUIDs, r.UID) {
+			continue
+		}
 
 		ruleList = append(ruleList, r)
 	}