add immutable tag middleware

Signed-off-by: wang yan <wangyan@vmware.com>

src/core/middlewares/chain.go

@@ -21,6 +21,7 @@ import (
 	"github.com/goharbor/harbor/src/core/middlewares/chart"
 	"github.com/goharbor/harbor/src/core/middlewares/contenttrust"
 	"github.com/goharbor/harbor/src/core/middlewares/countquota"
+	"github.com/goharbor/harbor/src/core/middlewares/immutable"
 	"github.com/goharbor/harbor/src/core/middlewares/listrepo"
 	"github.com/goharbor/harbor/src/core/middlewares/multiplmanifest"
 	"github.com/goharbor/harbor/src/core/middlewares/readonly"
@@ -70,6 +71,7 @@ func (b *DefaultCreator) geMiddleware(mName string) alice.Constructor {
 		VULNERABLE:       func(next http.Handler) http.Handler { return vulnerable.New(next) },
 		SIZEQUOTA:        func(next http.Handler) http.Handler { return sizequota.New(next) },
 		COUNTQUOTA:       func(next http.Handler) http.Handler { return countquota.New(next) },
+		IMMUTABLE:        func(next http.Handler) http.Handler { return immutable.New(next) },
 	}
 	return middlewares[mName]
 }

src/core/middlewares/config.go

@@ -25,13 +25,14 @@ const (
 	VULNERABLE       = "vulnerable"
 	SIZEQUOTA        = "sizequota"
 	COUNTQUOTA       = "countquota"
+	IMMUTABLE        = "immutable"
 )
 
 // ChartMiddlewares middlewares for chart server
 var ChartMiddlewares = []string{CHART}
 
 // Middlewares with sequential organization
-var Middlewares = []string{READONLY, URL, MUITIPLEMANIFEST, LISTREPO, CONTENTTRUST, VULNERABLE, SIZEQUOTA, COUNTQUOTA}
+var Middlewares = []string{READONLY, URL, MUITIPLEMANIFEST, LISTREPO, CONTENTTRUST, VULNERABLE, SIZEQUOTA, IMMUTABLE, COUNTQUOTA}
 
 // MiddlewaresLocal ...
 var MiddlewaresLocal = []string{SIZEQUOTA, COUNTQUOTA}

src/core/middlewares/immutable/handler.go

@@ -0,0 +1,93 @@
+// Copyright Project Harbor Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package immutable
+
+import (
+	"fmt"
+	"github.com/goharbor/harbor/src/common/dao"
+	"github.com/goharbor/harbor/src/common/models"
+	common_util "github.com/goharbor/harbor/src/common/utils"
+	"github.com/goharbor/harbor/src/common/utils/log"
+	"github.com/goharbor/harbor/src/core/middlewares/util"
+	"github.com/goharbor/harbor/src/pkg/art"
+	"github.com/goharbor/harbor/src/pkg/immutabletag/match/rule"
+	"net/http"
+)
+
+type immutableHandler struct {
+	next http.Handler
+}
+
+// New ...
+func New(next http.Handler) http.Handler {
+	return &immutableHandler{
+		next: next,
+	}
+}
+
+// ServeHTTP ...
+func (rh immutableHandler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
+	if match, _, _ := util.MatchPushManifest(req); !match {
+		rh.next.ServeHTTP(rw, req)
+		return
+	}
+	info, ok := util.ManifestInfoFromContext(req.Context())
+	if !ok {
+		var err error
+		info, err = util.ParseManifestInfoFromPath(req)
+		if err != nil {
+			log.Error(err)
+			rh.next.ServeHTTP(rw, req)
+			return
+		}
+	}
+
+	_, repoName := common_util.ParseRepository(info.Repository)
+	matched, err := rule.NewRuleMatcher(info.ProjectID).Match(art.Candidate{
+		Repository:  repoName,
+		Tag:         info.Tag,
+		NamespaceID: info.ProjectID,
+	})
+	if err != nil {
+		log.Error(err)
+		rh.next.ServeHTTP(rw, req)
+		return
+	}
+	if !matched {
+		rh.next.ServeHTTP(rw, req)
+		return
+	}
+
+	artifactQuery := &models.ArtifactQuery{
+		PID:  info.ProjectID,
+		Repo: info.Repository,
+		Tag:  info.Tag,
+	}
+	afs, err := dao.ListArtifacts(artifactQuery)
+	if err != nil {
+		log.Error(err)
+		rh.next.ServeHTTP(rw, req)
+		return
+	}
+	if len(afs) == 0 {
+		rh.next.ServeHTTP(rw, req)
+		return
+	}
+
+	// rule matched and non-existent is a immutable tag
+	http.Error(rw, util.MarshalError("DENIED",
+		fmt.Sprintf("The tag:%s:%s is immutable, cannot be overwrite.", info.Repository, info.Tag)), http.StatusPreconditionFailed)
+	return
+}

src/core/middlewares/immutable/handler_test.go

@@ -0,0 +1,151 @@
+package immutable
+
+import (
+	"github.com/docker/distribution"
+	"github.com/goharbor/harbor/src/core/middlewares/util"
+	"github.com/opencontainers/go-digest"
+
+	"fmt"
+	"github.com/goharbor/harbor/src/common/dao"
+	"github.com/goharbor/harbor/src/common/models"
+	"github.com/goharbor/harbor/src/pkg/immutabletag"
+	immu_model "github.com/goharbor/harbor/src/pkg/immutabletag/model"
+	"github.com/stretchr/testify/require"
+	"github.com/stretchr/testify/suite"
+	"math/rand"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"testing"
+)
+
+type HandlerSuite struct {
+	suite.Suite
+}
+
+func doPutManifestRequest(projectID int64, projectName, name, tag, dgt string, next ...http.HandlerFunc) int {
+	repository := fmt.Sprintf("%s/%s", projectName, name)
+
+	url := fmt.Sprintf("/v2/%s/manifests/%s", repository, tag)
+	req, _ := http.NewRequest("PUT", url, nil)
+
+	mfInfo := &util.ManifestInfo{
+		ProjectID:  projectID,
+		Repository: repository,
+		Tag:        tag,
+		Digest:     dgt,
+		References: []distribution.Descriptor{
+			{Digest: digest.FromString(randomString(15))},
+			{Digest: digest.FromString(randomString(15))},
+		},
+	}
+	ctx := util.NewManifestInfoContext(req.Context(), mfInfo)
+	rr := httptest.NewRecorder()
+
+	var n http.HandlerFunc
+	if len(next) > 0 {
+		n = next[0]
+	} else {
+		n = func(w http.ResponseWriter, req *http.Request) {
+			w.WriteHeader(http.StatusCreated)
+		}
+	}
+
+	h := New(http.HandlerFunc(n))
+	h.ServeHTTP(util.NewCustomResponseWriter(rr), req.WithContext(ctx))
+
+	return rr.Code
+}
+
+func randomString(n int) string {
+	const letterBytes = "abcdefghijklmnopqrstuvwxyz"
+
+	b := make([]byte, n)
+	for i := range b {
+		b[i] = letterBytes[rand.Intn(len(letterBytes))]
+	}
+
+	return string(b)
+}
+
+func (suite *HandlerSuite) addProject(projectName string) int64 {
+	projectID, err := dao.AddProject(models.Project{
+		Name:    projectName,
+		OwnerID: 1,
+	})
+	suite.Nil(err, fmt.Sprintf("Add project failed for %s", projectName))
+	return projectID
+}
+
+func (suite *HandlerSuite) addArt(pid int64, repo string, tag string) int64 {
+	afid, err := dao.AddArtifact(&models.Artifact{
+		PID:    pid,
+		Repo:   repo,
+		Tag:    tag,
+		Digest: digest.FromString(randomString(15)).String(),
+		Kind:   "Docker-Image",
+	})
+	suite.Nil(err, fmt.Sprintf("Add artifact failed for %s", repo))
+	return afid
+}
+
+func (suite *HandlerSuite) addImmutableRule(pid int64) int64 {
+	metadata := &immu_model.Metadata{
+		ProjectID: pid,
+		Priority:  1,
+		Action:    "immutable",
+		Template:  "immutable_template",
+		TagSelectors: []*immu_model.Selector{
+			{
+				Kind:       "doublestar",
+				Decoration: "matches",
+				Pattern:    "release-**",
+			},
+		},
+		ScopeSelectors: map[string][]*immu_model.Selector{
+			"repository": {
+				{
+					Kind:       "doublestar",
+					Decoration: "repoMatches",
+					Pattern:    "**",
+				},
+			},
+		},
+	}
+	id, err := immutabletag.ImmuCtr.CreateImmutableRule(metadata)
+	require.NoError(suite.T(), err, "nil error expected but got %s", err)
+	return id
+}
+
+func (suite *HandlerSuite) TestPutManifestCreated() {
+	projectName := randomString(5)
+
+	projectID := suite.addProject(projectName)
+	immuRuleID := suite.addImmutableRule(projectID)
+	afID := suite.addArt(projectID, projectName+"/photon", "release-1.10")
+	defer func() {
+		dao.DeleteProject(projectID)
+		dao.DeleteArtifact(afID)
+		immutabletag.ImmuCtr.DeleteImmutableRule(immuRuleID)
+	}()
+
+	dgt := digest.FromString(randomString(15)).String()
+	code1 := doPutManifestRequest(projectID, projectName, "photon", "release-1.10", dgt)
+	suite.Equal(http.StatusPreconditionFailed, code1)
+
+	code2 := doPutManifestRequest(projectID, projectName, "photon", "latest", dgt)
+	suite.Equal(http.StatusCreated, code2)
+
+}
+
+func TestMain(m *testing.M) {
+	dao.PrepareTestForPostgresSQL()
+
+	if result := m.Run(); result != 0 {
+		os.Exit(result)
+	}
+}
+
+func TestRunHandlerSuite(t *testing.T) {
+	suite.Run(t, new(HandlerSuite))
+}

src/pkg/immutabletag/match/rule/match_test.go

@@ -1,15 +1,15 @@
 package rule
 
 import (
-	"github.com/goharbor/harbor/src/common/utils/test"
+	"github.com/goharbor/harbor/src/common/dao"
 	"github.com/goharbor/harbor/src/pkg/art"
 	"github.com/goharbor/harbor/src/pkg/immutabletag"
 	"github.com/goharbor/harbor/src/pkg/immutabletag/model"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"github.com/stretchr/testify/suite"
+	"os"
 	"testing"
-	"time"
 )
 
 // MatchTestSuite ...
@@ -25,7 +25,6 @@ type MatchTestSuite struct {
 
 // SetupSuite ...
 func (s *MatchTestSuite) SetupSuite() {
-	test.InitDatabaseFromEnv()
 	s.t = s.T()
 	s.assert = assert.New(s.t)
 	s.require = require.New(s.t)
@@ -34,34 +33,31 @@ func (s *MatchTestSuite) SetupSuite() {
 
 func (s *MatchTestSuite) TestImmuMatch() {
 	rule := &model.Metadata{
-		ID:        1,
-		ProjectID: 2,
+		ProjectID: 1,
 		Priority:  1,
-		Template:  "latestPushedK",
-		Action:    "immuablity",
+		Action:    "immutable",
+		Template:  "immutable_template",
 		TagSelectors: []*model.Selector{
 			{
 				Kind:       "doublestar",
 				Decoration: "matches",
-				Pattern:    "release-[\\d\\.]+",
+				Pattern:    "release-**",
 			},
 		},
 		ScopeSelectors: map[string][]*model.Selector{
 			"repository": {
 				{
 					Kind:       "doublestar",
-					Decoration: "matches",
+					Decoration: "repoMatches",
 					Pattern:    "redis",
 				},
 			},
 		},
 	}
-
 	rule2 := &model.Metadata{
-		ID:        1,
-		ProjectID: 2,
+		ProjectID: 1,
 		Priority:  1,
-		Template:  "latestPushedK",
+		Template:  "immutable_template",
 		Action:    "immuablity",
 		TagSelectors: []*model.Selector{
 			{
@@ -74,7 +70,7 @@ func (s *MatchTestSuite) TestImmuMatch() {
 			"repository": {
 				{
 					Kind:       "doublestar",
-					Decoration: "matches",
+					Decoration: "repoMatches",
 					Pattern:    "mysql",
 				},
 			},
@@ -83,69 +79,52 @@ func (s *MatchTestSuite) TestImmuMatch() {
 
 	id, err := s.ctr.CreateImmutableRule(rule)
 	s.ruleID = id
-	s.require.NotNil(err)
+	s.require.Nil(err)
 
 	id, err = s.ctr.CreateImmutableRule(rule2)
 	s.ruleID2 = id
-	s.require.NotNil(err)
+	s.require.Nil(err)
 
-	match := NewRuleMatcher(2)
+	match := NewRuleMatcher(1)
 
 	c1 := art.Candidate{
-		NamespaceID:  2,
-		Namespace:    "immutable",
+		NamespaceID: 1,
+		Namespace:   "library",
 		Repository:  "redis",
 		Tag:         "release-1.10",
-		Kind:         art.Image,
-		PushedTime:   time.Now().Unix() - 3600,
-		PulledTime:   time.Now().Unix(),
-		CreationTime: time.Now().Unix() - 7200,
-		Labels:       []string{"label1", "label4", "label5"},
 	}
 	isMatch, err := match.Match(c1)
 	s.require.Equal(isMatch, true)
 	s.require.Nil(err)
 
 	c2 := art.Candidate{
-		NamespaceID:  2,
-		Namespace:    "immutable",
+		NamespaceID: 1,
+		Namespace:   "library",
 		Repository:  "redis",
 		Tag:         "1.10",
 		Kind:        art.Image,
-		PushedTime:   time.Now().Unix() - 3600,
-		PulledTime:   time.Now().Unix(),
-		CreationTime: time.Now().Unix() - 7200,
-		Labels:       []string{"label1", "label4", "label5"},
 	}
 	isMatch, err = match.Match(c2)
 	s.require.Equal(isMatch, false)
 	s.require.Nil(err)
 
 	c3 := art.Candidate{
-		NamespaceID:  2,
+		NamespaceID: 1,
 		Namespace:   "immutable",
 		Repository:  "mysql",
 		Tag:         "9.4.8",
 		Kind:        art.Image,
-		PushedTime:   time.Now().Unix() - 3600,
-		PulledTime:   time.Now().Unix(),
-		CreationTime: time.Now().Unix() - 7200,
-		Labels:       []string{"label1"},
 	}
 	isMatch, err = match.Match(c3)
 	s.require.Equal(isMatch, true)
 	s.require.Nil(err)
 
 	c4 := art.Candidate{
-		NamespaceID:  2,
+		NamespaceID: 1,
 		Namespace:   "immutable",
 		Repository:  "hello",
 		Tag:         "world",
 		Kind:        art.Image,
-		PushedTime:   time.Now().Unix() - 3600,
-		PulledTime:   time.Now().Unix(),
-		CreationTime: time.Now().Unix() - 7200,
-		Labels:       []string{"label1"},
 	}
 	isMatch, err = match.Match(c4)
 	s.require.Equal(isMatch, false)
@@ -160,3 +139,15 @@ func (s *MatchTestSuite) TearDownSuite() {
 	err = s.ctr.DeleteImmutableRule(s.ruleID2)
 	require.NoError(s.T(), err, "delete immutable")
 }
+
+func TestMain(m *testing.M) {
+	dao.PrepareTestForPostgresSQL()
+
+	if result := m.Run(); result != 0 {
+		os.Exit(result)
+	}
+}
+
+func TestRunHandlerSuite(t *testing.T) {
+	suite.Run(t, new(MatchTestSuite))
+}