implement authorizer filter

Signed-off-by: hongming <talonwan@yunify.com>

pkg/apiserver/apiserver.go

@@ -9,13 +9,15 @@ import (
 	urlruntime "k8s.io/apimachinery/pkg/util/runtime"
 	"k8s.io/apimachinery/pkg/util/sets"
 	"k8s.io/apiserver/pkg/authentication/request/bearertoken"
-	"k8s.io/apiserver/pkg/authentication/request/union"
+	unionauth "k8s.io/apiserver/pkg/authentication/request/union"
-	"k8s.io/apiserver/pkg/authorization/authorizerfactory"
 	"k8s.io/apiserver/pkg/endpoints/handlers/responsewriters"
 	"k8s.io/klog"
 	"kubesphere.io/kubesphere/pkg/api/iam"
 	"kubesphere.io/kubesphere/pkg/apiserver/authentication/authenticators/jwttoken"
 	authenticationrequest "kubesphere.io/kubesphere/pkg/apiserver/authentication/request"
+	"kubesphere.io/kubesphere/pkg/apiserver/authorization/authorizerfactory"
+	"kubesphere.io/kubesphere/pkg/apiserver/authorization/path"
+	unionauthorizer "kubesphere.io/kubesphere/pkg/apiserver/authorization/union"
 	"kubesphere.io/kubesphere/pkg/apiserver/dispatch"
 	"kubesphere.io/kubesphere/pkg/apiserver/filters"
 	"kubesphere.io/kubesphere/pkg/apiserver/request"
@@ -179,13 +181,17 @@ func (s *APIServer) buildHandlerChain() {
 	})
 
 	handler := s.Server.Handler
-	handler = filters.WithKubeAPIServer(handler, s.KubernetesClient.Config(), &errorResponder{})
-	handler = filters.WithMultipleClusterDispatcher(handler, dispatch.DefaultClusterDispatch)
-	handler = filters.WithAuthorization(handler, authorizerfactory.NewAlwaysAllowAuthorizer())
 
-	authn := union.New(&authenticationrequest.AnonymousAuthenticator{}, bearertoken.New(jwttoken.NewTokenAuthenticator(s.CacheClient, s.AuthenticateOptions.JwtSecret)))
-	handler = filters.WithAuthentication(handler, authn, failed)
 	handler = filters.WithRequestInfo(handler, requestInfoResolver)
+	authn := unionauth.New(&authenticationrequest.AnonymousAuthenticator{}, bearertoken.New(jwttoken.NewTokenAuthenticator(s.CacheClient, s.AuthenticateOptions.JwtSecret)))
+	handler = filters.WithAuthentication(handler, authn, failed)
+
+	excludedPaths := []string{"/oauth/authorize", "/oauth/token"}
+	pathAuthorizer, _ := path.NewAuthorizer(excludedPaths)
+	authorizer := unionauthorizer.New(pathAuthorizer, authorizerfactory.NewOPAAuthorizer())
+	handler = filters.WithAuthorization(handler, authorizer)
+	handler = filters.WithMultipleClusterDispatcher(handler, dispatch.DefaultClusterDispatch)
+	handler = filters.WithKubeAPIServer(handler, s.KubernetesClient.Config(), &errorResponder{})
 
 	s.Server.Handler = handler
 }
@@ -194,7 +200,7 @@ func (s *APIServer) waitForResourceSync(stopCh <-chan struct{}) error {
 	klog.V(0).Info("Start cache objects")
 
 	discoveryClient := s.KubernetesClient.Kubernetes().Discovery()
-	apiResourcesList, err := discoveryClient.ServerResources()
+	_, apiResourcesList, err := discoveryClient.ServerGroupsAndResources()
 	if err != nil {
 		return err
 	}

pkg/apiserver/authorization/authorizer/interfaces.go

@@ -0,0 +1,190 @@
+/*
+Copyright 2014 The Kubernetes 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 authorizer
+
+import (
+	"net/http"
+
+	"k8s.io/apiserver/pkg/authentication/user"
+)
+
+// Attributes is an interface used by an Authorizer to get information about a request
+// that is used to make an authorization decision.
+type Attributes interface {
+	// GetUser returns the user.Info object to authorize
+	GetUser() user.Info
+
+	// GetVerb returns the kube verb associated with API requests (this includes get, list, watch, create, update, patch, delete, deletecollection, and proxy),
+	// or the lowercased HTTP verb associated with non-API requests (this includes get, put, post, patch, and delete)
+	GetVerb() string
+
+	// When IsReadOnly() == true, the request has no side effects, other than
+	// caching, logging, and other incidentals.
+	IsReadOnly() bool
+
+	// Indicates whether or not the request should be handled by kubernetes or kubesphere
+	IsKubernetesRequest() bool
+
+	// The cluster of the object, if a request is for a REST object.
+	GetCluster() string
+
+	// The workspace of the object, if a request is for a REST object.
+	GetWorkspace() string
+
+	// The namespace of the object, if a request is for a REST object.
+	GetNamespace() string
+
+	// The devops project of the object, if a request is for a REST object.
+	GetDevopsProject() string
+
+	// The kind of object, if a request is for a REST object.
+	GetResource() string
+
+	// GetSubresource returns the subresource being requested, if present
+	GetSubresource() string
+
+	// GetName returns the name of the object as parsed off the request.  This will not be present for all request types, but
+	// will be present for: get, update, delete
+	GetName() string
+
+	// The group of the resource, if a request is for a REST object.
+	GetAPIGroup() string
+
+	// GetAPIVersion returns the version of the group requested, if a request is for a REST object.
+	GetAPIVersion() string
+
+	// IsResourceRequest returns true for requests to API resources, like /api/v1/nodes,
+	// and false for non-resource endpoints like /api, /healthz
+	IsResourceRequest() bool
+
+	// GetPath returns the path of the request
+	GetPath() string
+}
+
+// Authorizer makes an authorization decision based on information gained by making
+// zero or more calls to methods of the Attributes interface.  It returns nil when an action is
+// authorized, otherwise it returns an error.
+type Authorizer interface {
+	Authorize(a Attributes) (authorized Decision, reason string, err error)
+}
+
+type AuthorizerFunc func(a Attributes) (Decision, string, error)
+
+func (f AuthorizerFunc) Authorize(a Attributes) (Decision, string, error) {
+	return f(a)
+}
+
+// RuleResolver provides a mechanism for resolving the list of rules that apply to a given user within a namespace.
+type RuleResolver interface {
+	// RulesFor get the list of cluster wide rules, the list of rules in the specific namespace, incomplete status and errors.
+	RulesFor(user user.Info, namespace string) ([]ResourceRuleInfo, []NonResourceRuleInfo, bool, error)
+}
+
+// RequestAttributesGetter provides a function that extracts Attributes from an http.Request
+type RequestAttributesGetter interface {
+	GetRequestAttributes(user.Info, *http.Request) Attributes
+}
+
+// AttributesRecord implements Attributes interface.
+type AttributesRecord struct {
+	User              user.Info
+	Verb              string
+	Cluster           string
+	Workspace         string
+	Namespace         string
+	DevopsProject     string
+	APIGroup          string
+	APIVersion        string
+	Resource          string
+	Subresource       string
+	Name              string
+	KubernetesRequest bool
+	ResourceRequest   bool
+	Path              string
+}
+
+func (a AttributesRecord) GetUser() user.Info {
+	return a.User
+}
+
+func (a AttributesRecord) GetVerb() string {
+	return a.Verb
+}
+
+func (a AttributesRecord) IsReadOnly() bool {
+	return a.Verb == "get" || a.Verb == "list" || a.Verb == "watch"
+}
+
+func (a AttributesRecord) GetCluster() string {
+	return a.Cluster
+}
+
+func (a AttributesRecord) GetWorkspace() string {
+	return a.Workspace
+}
+
+func (a AttributesRecord) GetNamespace() string {
+	return a.Namespace
+}
+
+func (a AttributesRecord) GetDevopsProject() string {
+	return a.DevopsProject
+}
+
+func (a AttributesRecord) GetResource() string {
+	return a.Resource
+}
+
+func (a AttributesRecord) GetSubresource() string {
+	return a.Subresource
+}
+
+func (a AttributesRecord) GetName() string {
+	return a.Name
+}
+
+func (a AttributesRecord) GetAPIGroup() string {
+	return a.APIGroup
+}
+
+func (a AttributesRecord) GetAPIVersion() string {
+	return a.APIVersion
+}
+
+func (a AttributesRecord) IsResourceRequest() bool {
+	return a.ResourceRequest
+}
+
+func (a AttributesRecord) IsKubernetesRequest() bool {
+	return a.KubernetesRequest
+}
+
+func (a AttributesRecord) GetPath() string {
+	return a.Path
+}
+
+type Decision int
+
+const (
+	// DecisionDeny means that an authorizer decided to deny the action.
+	DecisionDeny Decision = iota
+	// DecisionAllow means that an authorizer decided to allow the action.
+	DecisionAllow
+	// DecisionNoOpionion means that an authorizer has no opinion on whether
+	// to allow or deny an action.
+	DecisionNoOpinion
+)

pkg/apiserver/authorization/authorizer/rule.go

@@ -0,0 +1,73 @@
+/*
+Copyright 2017 The Kubernetes 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 authorizer
+
+type ResourceRuleInfo interface {
+	// GetVerbs returns a list of kubernetes resource API verbs.
+	GetVerbs() []string
+	// GetAPIGroups return the names of the APIGroup that contains the resources.
+	GetAPIGroups() []string
+	// GetResources return a list of resources the rule applies to.
+	GetResources() []string
+	// GetResourceNames return a white list of names that the rule applies to.
+	GetResourceNames() []string
+}
+
+// DefaultResourceRuleInfo holds information that describes a rule for the resource
+type DefaultResourceRuleInfo struct {
+	Verbs         []string
+	APIGroups     []string
+	Resources     []string
+	ResourceNames []string
+}
+
+func (i *DefaultResourceRuleInfo) GetVerbs() []string {
+	return i.Verbs
+}
+
+func (i *DefaultResourceRuleInfo) GetAPIGroups() []string {
+	return i.APIGroups
+}
+
+func (i *DefaultResourceRuleInfo) GetResources() []string {
+	return i.Resources
+}
+
+func (i *DefaultResourceRuleInfo) GetResourceNames() []string {
+	return i.ResourceNames
+}
+
+type NonResourceRuleInfo interface {
+	// GetVerbs returns a list of kubernetes resource API verbs.
+	GetVerbs() []string
+	// GetNonResourceURLs return a set of partial urls that a user should have access to.
+	GetNonResourceURLs() []string
+}
+
+// DefaultNonResourceRuleInfo holds information that describes a rule for the non-resource
+type DefaultNonResourceRuleInfo struct {
+	Verbs           []string
+	NonResourceURLs []string
+}
+
+func (i *DefaultNonResourceRuleInfo) GetVerbs() []string {
+	return i.Verbs
+}
+
+func (i *DefaultNonResourceRuleInfo) GetNonResourceURLs() []string {
+	return i.NonResourceURLs
+}

pkg/apiserver/authorization/authorizerfactory/opa.go

@@ -0,0 +1,32 @@
+/*
+ *
+ * Copyright 2020 The KubeSphere 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 authorizerfactory
+
+import "kubesphere.io/kubesphere/pkg/apiserver/authorization/authorizer"
+
+type opaAuthorizer struct{}
+
+func (opaAuthorizer) Authorize(a authorizer.Attributes) (authorized authorizer.Decision, reason string, err error) {
+	// TODO implement.
+	return authorizer.DecisionAllow, "", nil
+}
+
+func NewOPAAuthorizer() *opaAuthorizer {
+	return new(opaAuthorizer)
+}

pkg/apiserver/authorization/path/doc.go

@@ -0,0 +1,18 @@
+/*
+Copyright 2018 The Kubernetes 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 path contains an authorizer that allows certain paths and path prefixes.
+package path // import "k8s.io/apiserver/pkg/authorization/path"

pkg/apiserver/authorization/path/path.go

@@ -0,0 +1,67 @@
+/*
+Copyright 2018 The Kubernetes 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 path
+
+import (
+	"fmt"
+	"kubesphere.io/kubesphere/pkg/apiserver/authorization/authorizer"
+	"strings"
+
+	"k8s.io/apimachinery/pkg/util/sets"
+)
+
+// NewAuthorizer returns an authorizer which accepts a given set of paths.
+// Each path is either a fully matching path or it ends in * in case a prefix match is done. A leading / is optional.
+func NewAuthorizer(alwaysAllowPaths []string) (authorizer.Authorizer, error) {
+	var prefixes []string
+	paths := sets.NewString()
+	for _, p := range alwaysAllowPaths {
+		p = strings.TrimPrefix(p, "/")
+		if len(p) == 0 {
+			// matches "/"
+			paths.Insert(p)
+			continue
+		}
+		if strings.ContainsRune(p[:len(p)-1], '*') {
+			return nil, fmt.Errorf("only trailing * allowed in %q", p)
+		}
+		if strings.HasSuffix(p, "*") {
+			prefixes = append(prefixes, p[:len(p)-1])
+		} else {
+			paths.Insert(p)
+		}
+	}
+
+	return authorizer.AuthorizerFunc(func(a authorizer.Attributes) (authorizer.Decision, string, error) {
+		if a.IsResourceRequest() {
+			return authorizer.DecisionNoOpinion, "", nil
+		}
+
+		pth := strings.TrimPrefix(a.GetPath(), "/")
+		if paths.Has(pth) {
+			return authorizer.DecisionAllow, "", nil
+		}
+
+		for _, prefix := range prefixes {
+			if strings.HasPrefix(pth, prefix) {
+				return authorizer.DecisionAllow, "", nil
+			}
+		}
+
+		return authorizer.DecisionNoOpinion, "", nil
+	}), nil
+}

pkg/apiserver/authorization/path/path_test.go

@@ -0,0 +1,77 @@
+/*
+Copyright 2018 The Kubernetes 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 path
+
+import (
+	"testing"
+
+	"k8s.io/apiserver/pkg/authorization/authorizer"
+)
+
+func TestNewAuthorizer(t *testing.T) {
+	tests := []struct {
+		name                       string
+		excludedPaths              []string
+		allowed, denied, noOpinion []string
+		wantErr                    bool
+	}{
+		{"inner star", []string{"/foo*bar"}, nil, nil, nil, true},
+		{"double star", []string{"/foo**"}, nil, nil, nil, true},
+		{"empty", nil, nil, nil, []string{"/"}, false},
+		{"slash", []string{"/"}, []string{"/"}, nil, []string{"/foo", "//"}, false},
+		{"foo", []string{"/foo"}, []string{"/foo", "foo"}, nil, []string{"/", "", "/bar", "/foo/", "/fooooo", "//foo"}, false},
+		{"foo slash", []string{"/foo/"}, []string{"/foo/"}, nil, []string{"/", "", "/bar", "/foo", "/fooooo"}, false},
+		{"foo slash star", []string{"/foo/*"}, []string{"/foo/", "/foo/bar/bla"}, nil, []string{"/", "", "/foo", "/bar", "/fooooo"}, false},
+		{"foo bar", []string{"/foo", "/bar"}, []string{"/foo", "/bar"}, nil, []string{"/", "", "/foo/", "/bar/", "/fooooo"}, false},
+		{"foo star", []string{"/foo*"}, []string{"/foo", "/foooo"}, nil, []string{"/", "", "/fo", "/bar"}, false},
+		{"star", []string{"/*"}, []string{"/", "", "/foo", "/foooo"}, nil, nil, false},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			a, err := NewAuthorizer(tt.excludedPaths)
+			if err != nil && !tt.wantErr {
+				t.Fatalf("unexpected error: %v", err)
+			}
+			if err == nil && tt.wantErr {
+				t.Fatalf("expected error, didn't get any")
+			}
+			if err != nil {
+				return
+			}
+
+			for _, cases := range []struct {
+				paths []string
+				want  authorizer.Decision
+			}{
+				{tt.allowed, authorizer.DecisionAllow},
+				{tt.denied, authorizer.DecisionDeny},
+				{tt.noOpinion, authorizer.DecisionNoOpinion},
+			} {
+				for _, pth := range cases.paths {
+					info := authorizer.AttributesRecord{
+						Path: pth,
+					}
+					if got, _, err := a.Authorize(info); err != nil {
+						t.Errorf("NewAuthorizer(%v).Authorize(%q) return unexpected error: %v", tt.excludedPaths, pth, err)
+					} else if got != cases.want {
+						t.Errorf("NewAuthorizer(%v).Authorize(%q) = %v, want %v", tt.excludedPaths, pth, got, cases.want)
+					}
+				}
+			}
+		})
+	}
+}

pkg/apiserver/authorization/union/union.go

@@ -0,0 +1,105 @@
+/*
+Copyright 2014 The Kubernetes 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 union implements an authorizer that combines multiple subauthorizer.
+// The union authorizer iterates over each subauthorizer and returns the first
+// decision that is either an Allow decision or a Deny decision. If a
+// subauthorizer returns a NoOpinion, then the union authorizer moves onto the
+// next authorizer or, if the subauthorizer was the last authorizer, returns
+// NoOpinion as the aggregate decision. I.e. union authorizer creates an
+// aggregate decision and supports short-circuit allows and denies from
+// subauthorizers.
+package union
+
+import (
+	"kubesphere.io/kubesphere/pkg/apiserver/authorization/authorizer"
+	"strings"
+
+	utilerrors "k8s.io/apimachinery/pkg/util/errors"
+	"k8s.io/apiserver/pkg/authentication/user"
+)
+
+// unionAuthzHandler authorizer against a chain of authorizer.Authorizer
+type unionAuthzHandler []authorizer.Authorizer
+
+// New returns an authorizer that authorizes against a chain of authorizer.Authorizer objects
+func New(authorizationHandlers ...authorizer.Authorizer) authorizer.Authorizer {
+	return unionAuthzHandler(authorizationHandlers)
+}
+
+// Authorizes against a chain of authorizer.Authorizer objects and returns nil if successful and returns error if unsuccessful
+func (authzHandler unionAuthzHandler) Authorize(a authorizer.Attributes) (authorizer.Decision, string, error) {
+	var (
+		errlist    []error
+		reasonlist []string
+	)
+
+	for _, currAuthzHandler := range authzHandler {
+		decision, reason, err := currAuthzHandler.Authorize(a)
+
+		if err != nil {
+			errlist = append(errlist, err)
+		}
+		if len(reason) != 0 {
+			reasonlist = append(reasonlist, reason)
+		}
+		switch decision {
+		case authorizer.DecisionAllow, authorizer.DecisionDeny:
+			return decision, reason, err
+		case authorizer.DecisionNoOpinion:
+			// continue to the next authorizer
+		}
+	}
+
+	return authorizer.DecisionNoOpinion, strings.Join(reasonlist, "\n"), utilerrors.NewAggregate(errlist)
+}
+
+// unionAuthzRulesHandler authorizer against a chain of authorizer.RuleResolver
+type unionAuthzRulesHandler []authorizer.RuleResolver
+
+// NewRuleResolvers returns an authorizer that authorizes against a chain of authorizer.Authorizer objects
+func NewRuleResolvers(authorizationHandlers ...authorizer.RuleResolver) authorizer.RuleResolver {
+	return unionAuthzRulesHandler(authorizationHandlers)
+}
+
+// RulesFor against a chain of authorizer.RuleResolver objects and returns nil if successful and returns error if unsuccessful
+func (authzHandler unionAuthzRulesHandler) RulesFor(user user.Info, namespace string) ([]authorizer.ResourceRuleInfo, []authorizer.NonResourceRuleInfo, bool, error) {
+	var (
+		errList              []error
+		resourceRulesList    []authorizer.ResourceRuleInfo
+		nonResourceRulesList []authorizer.NonResourceRuleInfo
+	)
+	incompleteStatus := false
+
+	for _, currAuthzHandler := range authzHandler {
+		resourceRules, nonResourceRules, incomplete, err := currAuthzHandler.RulesFor(user, namespace)
+
+		if incomplete == true {
+			incompleteStatus = true
+		}
+		if err != nil {
+			errList = append(errList, err)
+		}
+		if len(resourceRules) > 0 {
+			resourceRulesList = append(resourceRulesList, resourceRules...)
+		}
+		if len(nonResourceRules) > 0 {
+			nonResourceRulesList = append(nonResourceRulesList, nonResourceRules...)
+		}
+	}
+
+	return resourceRulesList, nonResourceRulesList, incompleteStatus, utilerrors.NewAggregate(errList)
+}

pkg/apiserver/authorization/union/union_test.go

@@ -0,0 +1,265 @@
+/*
+Copyright 2014 The Kubernetes 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 union
+
+import (
+	"errors"
+	"fmt"
+	"k8s.io/apiserver/pkg/authentication/user"
+	"kubesphere.io/kubesphere/pkg/apiserver/authorization/authorizer"
+	"reflect"
+	"testing"
+)
+
+type mockAuthzHandler struct {
+	decision authorizer.Decision
+	err      error
+}
+
+func (mock *mockAuthzHandler) Authorize(a authorizer.Attributes) (authorizer.Decision, string, error) {
+	return mock.decision, "", mock.err
+}
+
+func TestAuthorizationSecondPasses(t *testing.T) {
+	handler1 := &mockAuthzHandler{decision: authorizer.DecisionNoOpinion}
+	handler2 := &mockAuthzHandler{decision: authorizer.DecisionAllow}
+	authzHandler := New(handler1, handler2)
+
+	authorized, _, _ := authzHandler.Authorize(nil)
+	if authorized != authorizer.DecisionAllow {
+		t.Errorf("Unexpected authorization failure")
+	}
+}
+
+func TestAuthorizationFirstPasses(t *testing.T) {
+	handler1 := &mockAuthzHandler{decision: authorizer.DecisionAllow}
+	handler2 := &mockAuthzHandler{decision: authorizer.DecisionNoOpinion}
+	authzHandler := New(handler1, handler2)
+
+	authorized, _, _ := authzHandler.Authorize(nil)
+	if authorized != authorizer.DecisionAllow {
+		t.Errorf("Unexpected authorization failure")
+	}
+}
+
+func TestAuthorizationNonePasses(t *testing.T) {
+	handler1 := &mockAuthzHandler{decision: authorizer.DecisionNoOpinion}
+	handler2 := &mockAuthzHandler{decision: authorizer.DecisionNoOpinion}
+	authzHandler := New(handler1, handler2)
+
+	authorized, _, _ := authzHandler.Authorize(nil)
+	if authorized == authorizer.DecisionAllow {
+		t.Errorf("Expected failed authorization")
+	}
+}
+
+func TestAuthorizationError(t *testing.T) {
+	handler1 := &mockAuthzHandler{err: fmt.Errorf("foo")}
+	handler2 := &mockAuthzHandler{err: fmt.Errorf("foo")}
+	authzHandler := New(handler1, handler2)
+
+	_, _, err := authzHandler.Authorize(nil)
+	if err == nil {
+		t.Errorf("Expected error: %v", err)
+	}
+}
+
+type mockAuthzRuleHandler struct {
+	resourceRules    []authorizer.ResourceRuleInfo
+	nonResourceRules []authorizer.NonResourceRuleInfo
+	err              error
+}
+
+func (mock *mockAuthzRuleHandler) RulesFor(user user.Info, namespace string) ([]authorizer.ResourceRuleInfo, []authorizer.NonResourceRuleInfo, bool, error) {
+	if mock.err != nil {
+		return []authorizer.ResourceRuleInfo{}, []authorizer.NonResourceRuleInfo{}, false, mock.err
+	}
+	return mock.resourceRules, mock.nonResourceRules, false, nil
+}
+
+func TestAuthorizationResourceRules(t *testing.T) {
+	handler1 := &mockAuthzRuleHandler{
+		resourceRules: []authorizer.ResourceRuleInfo{
+			&authorizer.DefaultResourceRuleInfo{
+				Verbs:     []string{"*"},
+				APIGroups: []string{"*"},
+				Resources: []string{"bindings"},
+			},
+			&authorizer.DefaultResourceRuleInfo{
+				Verbs:     []string{"get", "list", "watch"},
+				APIGroups: []string{"*"},
+				Resources: []string{"*"},
+			},
+		},
+	}
+	handler2 := &mockAuthzRuleHandler{
+		resourceRules: []authorizer.ResourceRuleInfo{
+			&authorizer.DefaultResourceRuleInfo{
+				Verbs:     []string{"*"},
+				APIGroups: []string{"*"},
+				Resources: []string{"events"},
+			},
+			&authorizer.DefaultResourceRuleInfo{
+				Verbs:         []string{"get"},
+				APIGroups:     []string{"*"},
+				Resources:     []string{"*"},
+				ResourceNames: []string{"foo"},
+			},
+		},
+	}
+
+	expected := []authorizer.DefaultResourceRuleInfo{
+		{
+			Verbs:     []string{"*"},
+			APIGroups: []string{"*"},
+			Resources: []string{"bindings"},
+		},
+		{
+			Verbs:     []string{"get", "list", "watch"},
+			APIGroups: []string{"*"},
+			Resources: []string{"*"},
+		},
+		{
+			Verbs:     []string{"*"},
+			APIGroups: []string{"*"},
+			Resources: []string{"events"},
+		},
+		{
+			Verbs:         []string{"get"},
+			APIGroups:     []string{"*"},
+			Resources:     []string{"*"},
+			ResourceNames: []string{"foo"},
+		},
+	}
+
+	authzRulesHandler := NewRuleResolvers(handler1, handler2)
+
+	rules, _, _, _ := authzRulesHandler.RulesFor(nil, "")
+	actual := getResourceRules(rules)
+	if !reflect.DeepEqual(expected, actual) {
+		t.Errorf("Expected: \n%#v\n but actual: \n%#v\n", expected, actual)
+	}
+}
+
+func TestAuthorizationNonResourceRules(t *testing.T) {
+	handler1 := &mockAuthzRuleHandler{
+		nonResourceRules: []authorizer.NonResourceRuleInfo{
+			&authorizer.DefaultNonResourceRuleInfo{
+				Verbs:           []string{"get"},
+				NonResourceURLs: []string{"/api"},
+			},
+		},
+	}
+
+	handler2 := &mockAuthzRuleHandler{
+		nonResourceRules: []authorizer.NonResourceRuleInfo{
+			&authorizer.DefaultNonResourceRuleInfo{
+				Verbs:           []string{"get"},
+				NonResourceURLs: []string{"/api/*"},
+			},
+		},
+	}
+
+	expected := []authorizer.DefaultNonResourceRuleInfo{
+		{
+			Verbs:           []string{"get"},
+			NonResourceURLs: []string{"/api"},
+		},
+		{
+			Verbs:           []string{"get"},
+			NonResourceURLs: []string{"/api/*"},
+		},
+	}
+
+	authzRulesHandler := NewRuleResolvers(handler1, handler2)
+
+	_, rules, _, _ := authzRulesHandler.RulesFor(nil, "")
+	actual := getNonResourceRules(rules)
+	if !reflect.DeepEqual(expected, actual) {
+		t.Errorf("Expected: \n%#v\n but actual: \n%#v\n", expected, actual)
+	}
+}
+
+func getResourceRules(infos []authorizer.ResourceRuleInfo) []authorizer.DefaultResourceRuleInfo {
+	rules := make([]authorizer.DefaultResourceRuleInfo, len(infos))
+	for i, info := range infos {
+		rules[i] = authorizer.DefaultResourceRuleInfo{
+			Verbs:         info.GetVerbs(),
+			APIGroups:     info.GetAPIGroups(),
+			Resources:     info.GetResources(),
+			ResourceNames: info.GetResourceNames(),
+		}
+	}
+	return rules
+}
+
+func getNonResourceRules(infos []authorizer.NonResourceRuleInfo) []authorizer.DefaultNonResourceRuleInfo {
+	rules := make([]authorizer.DefaultNonResourceRuleInfo, len(infos))
+	for i, info := range infos {
+		rules[i] = authorizer.DefaultNonResourceRuleInfo{
+			Verbs:           info.GetVerbs(),
+			NonResourceURLs: info.GetNonResourceURLs(),
+		}
+	}
+	return rules
+}
+
+func TestAuthorizationUnequivocalDeny(t *testing.T) {
+	cs := []struct {
+		authorizers []authorizer.Authorizer
+		decision    authorizer.Decision
+	}{
+		{
+			authorizers: []authorizer.Authorizer{},
+			decision:    authorizer.DecisionNoOpinion,
+		},
+		{
+			authorizers: []authorizer.Authorizer{
+				&mockAuthzHandler{decision: authorizer.DecisionNoOpinion},
+				&mockAuthzHandler{decision: authorizer.DecisionAllow},
+				&mockAuthzHandler{decision: authorizer.DecisionDeny},
+			},
+			decision: authorizer.DecisionAllow,
+		},
+		{
+			authorizers: []authorizer.Authorizer{
+				&mockAuthzHandler{decision: authorizer.DecisionNoOpinion},
+				&mockAuthzHandler{decision: authorizer.DecisionDeny},
+				&mockAuthzHandler{decision: authorizer.DecisionAllow},
+			},
+			decision: authorizer.DecisionDeny,
+		},
+		{
+			authorizers: []authorizer.Authorizer{
+				&mockAuthzHandler{decision: authorizer.DecisionNoOpinion},
+				&mockAuthzHandler{decision: authorizer.DecisionDeny, err: errors.New("webhook failed closed")},
+				&mockAuthzHandler{decision: authorizer.DecisionAllow},
+			},
+			decision: authorizer.DecisionDeny,
+		},
+	}
+	for i, c := range cs {
+		t.Run(fmt.Sprintf("case %v", i), func(t *testing.T) {
+			authzHandler := New(c.authorizers...)
+
+			decision, _, _ := authzHandler.Authorize(nil)
+			if decision != c.decision {
+				t.Errorf("Unexpected authorization failure: %v, expected: %v", decision, c.decision)
+			}
+		})
+	}
+}

pkg/apiserver/filters/authorization.go

@@ -3,10 +3,10 @@ package filters
 import (
 	"context"
 	"errors"
-	"k8s.io/apiserver/pkg/authorization/authorizer"
 	"k8s.io/apiserver/pkg/endpoints/handlers/responsewriters"
 	k8srequest "k8s.io/apiserver/pkg/endpoints/request"
 	"k8s.io/klog"
+	"kubesphere.io/kubesphere/pkg/apiserver/authorization/authorizer"
 	"kubesphere.io/kubesphere/pkg/apiserver/request"
 	"net/http"
 )
@@ -59,12 +59,16 @@ func GetAuthorizerAttributes(ctx context.Context) (authorizer.Attributes, error)
 	attribs.ResourceRequest = requestInfo.IsResourceRequest
 	attribs.Path = requestInfo.Path
 	attribs.Verb = requestInfo.Verb
+	attribs.Cluster = requestInfo.Cluster
+	attribs.Workspace = requestInfo.Workspace
+	attribs.KubernetesRequest = requestInfo.IsKubernetesRequest
 
 	attribs.APIGroup = requestInfo.APIGroup
 	attribs.APIVersion = requestInfo.APIVersion
 	attribs.Resource = requestInfo.Resource
 	attribs.Subresource = requestInfo.Subresource
 	attribs.Namespace = requestInfo.Namespace
+	attribs.DevopsProject = requestInfo.DevopsProject
 	attribs.Name = requestInfo.Name
 
 	return &attribs, nil

pkg/apiserver/request/requestinfo.go

@@ -26,20 +26,22 @@ var kubernetesAPIPrefixes = sets.NewString("api", "apis")
 type RequestInfo struct {
 	*k8srequest.RequestInfo
 
-	// IsKubeSphereRequest indicates whether or not the request should be handled by kubernetes or kubesphere
+	// IsKubernetesRequest indicates whether or not the request should be handled by kubernetes or kubesphere
 	IsKubernetesRequest bool
 
-	// Workspace of requested namespace, for non-workspaced resources, this may be empty
+	// Workspace of requested resource, for non-workspaced resources, this may be empty
 	Workspace string
 
 	// Cluster of requested resource, this is empty in single-cluster environment
 	Cluster string
+
+	// Devops project of requested resource, this may be empty
+	DevopsProject string
 }
 
 type RequestInfoFactory struct {
 	APIPrefixes          sets.String
 	GrouplessAPIPrefixes sets.String
-	k8sRequestInfoFactory *k8srequest.RequestInfoFactory
 }
 
 // NewRequestInfo returns the information from the http request.  If error is not nil, RequestInfo holds the information as best it is known before the failure

pkg/apiserver/request/requestinfo_test.go

@@ -0,0 +1,94 @@
+/*
+ *
+ * Copyright 2020 The KubeSphere 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 request
+
+import (
+	"k8s.io/apimachinery/pkg/util/sets"
+	"net/http"
+	"testing"
+)
+
+func newTestRequestInfoResolver() RequestInfoResolver {
+	requestInfoResolver := &RequestInfoFactory{
+		APIPrefixes:          sets.NewString("api", "apis", "kapis", "kapi"),
+		GrouplessAPIPrefixes: sets.NewString("api", "kapi"),
+	}
+
+	return requestInfoResolver
+}
+
+func TestRequestInfoFactory_NewRequestInfo(t *testing.T) {
+	tests := []struct {
+		name                      string
+		url                       string
+		method                    string
+		expectedErr               error
+		expectedVerb              string
+		expectedResource          string
+		expectedIsResourceRequest bool
+		expectedCluster           string
+	}{
+		{
+			name:                      "login",
+			url:                       "/oauth/authorize?client_id=ks-console&response_type=token",
+			method:                    http.MethodPost,
+			expectedErr:               nil,
+			expectedVerb:              "POST",
+			expectedResource:          "",
+			expectedIsResourceRequest: false,
+			expectedCluster:           "",
+		},
+		{
+			name:                      "list namespaces",
+			url:                       "/kapis/resources.kubesphere.io/v1alpha2/namespaces",
+			method:                    http.MethodGet,
+			expectedErr:               nil,
+			expectedVerb:              "list",
+			expectedResource:          "namespaces",
+			expectedIsResourceRequest: true,
+			expectedCluster:           "",
+		},
+	}
+
+	requestInfoResolver := newTestRequestInfoResolver()
+
+	for _, test := range tests {
+		req, err := http.NewRequest(test.method, test.url, nil)
+		if err != nil {
+			t.Fatal(err)
+		}
+		requestInfo, err := requestInfoResolver.NewRequestInfo(req)
+
+		if err != nil {
+			if test.expectedErr != err {
+				t.Errorf("%s: expected error %v, actual %v", test.name, test.expectedErr, err)
+			}
+		} else {
+			if test.expectedVerb != requestInfo.Verb {
+				t.Errorf("%s: expected verb %v, actual %+v", test.name, test.expectedVerb, requestInfo.Verb)
+			}
+			if test.expectedResource != requestInfo.Resource {
+				t.Errorf("%s: expected resource %v, actual %+v", test.name, test.expectedResource, requestInfo.Resource)
+			}
+			if test.expectedIsResourceRequest != requestInfo.IsResourceRequest {
+				t.Errorf("%s: expected is resource request %v, actual %+v", test.name, test.expectedIsResourceRequest, requestInfo.IsResourceRequest)
+			}
+		}
+	}
+}