update

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

pkg/apiserver/authentication/token/issuer.go

@@ -0,0 +1,31 @@
+/*
+ *
+ * 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 token
+
+// Issuer issues token to user, tokens are required to perform mutating requests to resources
+type Issuer interface {
+	// IssueTo issues a token a User, return error if issuing process failed
+	IssueTo(User) (string, *Claims, error)
+
+	// Verify verifies a token, and return a User if it's a valid token, otherwise return error
+	Verify(string) (User, *Claims, error)
+
+	// Revoke a token,
+	Revoke(token string) error
+}

pkg/apiserver/authentication/token/jwt.go

@@ -0,0 +1,124 @@
+/*
+ *
+ * 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 token
+
+import (
+	"fmt"
+	"github.com/dgrijalva/jwt-go"
+	"kubesphere.io/kubesphere/pkg/api/auth"
+	"kubesphere.io/kubesphere/pkg/api/iam"
+	"kubesphere.io/kubesphere/pkg/server/errors"
+	"kubesphere.io/kubesphere/pkg/simple/client/cache"
+	"time"
+)
+
+const DefaultIssuerName = "kubesphere"
+
+var (
+	errInvalidToken = errors.New("invalid token")
+	errTokenExpired = errors.New("expired token")
+)
+
+type Claims struct {
+	Username string `json:"username"`
+	UID      string `json:"uid"`
+	// Currently, we are not using any field in jwt.StandardClaims
+	jwt.StandardClaims
+}
+
+type jwtTokenIssuer struct {
+	name    string
+	options *auth.AuthenticationOptions
+	cache   cache.Interface
+	keyFunc jwt.Keyfunc
+}
+
+func (s *jwtTokenIssuer) Verify(tokenString string) (User, *Claims, error) {
+	if len(tokenString) == 0 {
+		return nil, nil, errInvalidToken
+	}
+	_, err := s.cache.Get(tokenCacheKey(tokenString))
+
+	if err != nil {
+		if err == cache.ErrNoSuchKey {
+			return nil, nil, errTokenExpired
+		}
+		return nil, nil, err
+	}
+
+	clm := &Claims{}
+
+	_, err = jwt.ParseWithClaims(tokenString, clm, s.keyFunc)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	return &iam.User{Name: clm.Username, UID: clm.UID}, clm, nil
+}
+
+func (s *jwtTokenIssuer) IssueTo(user User) (string, *Claims, error) {
+	clm := &Claims{
+		Username: user.GetName(),
+		UID:      user.GetUID(),
+		StandardClaims: jwt.StandardClaims{
+			IssuedAt:  time.Now().Unix(),
+			Issuer:    s.name,
+			NotBefore: time.Now().Unix(),
+		},
+	}
+
+	if s.options.TokenExpiration > 0 {
+		clm.ExpiresAt = clm.IssuedAt + int64(s.options.TokenExpiration.Seconds())
+	}
+
+	token := jwt.NewWithClaims(jwt.SigningMethodHS256, clm)
+
+	tokenString, err := token.SignedString([]byte(s.options.JwtSecret))
+
+	if err != nil {
+		return "", nil, err
+	}
+
+	s.cache.Set(tokenCacheKey(tokenString), tokenString, s.options.TokenExpiration)
+
+	return tokenString, clm, nil
+}
+
+func (s *jwtTokenIssuer) Revoke(token string) error {
+	return s.cache.Del(tokenCacheKey(token))
+}
+
+func NewJwtTokenIssuer(issuerName string, options *auth.AuthenticationOptions, cache cache.Interface) Issuer {
+	return &jwtTokenIssuer{
+		name:    issuerName,
+		options: options,
+		cache:   cache,
+		keyFunc: func(token *jwt.Token) (i interface{}, err error) {
+			if _, ok := token.Method.(*jwt.SigningMethodHMAC); ok {
+				return []byte(options.JwtSecret), nil
+			} else {
+				return nil, fmt.Errorf("expect token signed with HMAC but got %v", token.Header["alg"])
+			}
+		},
+	}
+}
+
+func tokenCacheKey(token string) string {
+	return fmt.Sprintf("kubesphere:tokens:%s", token)
+}

pkg/apiserver/authentication/token/jwt_test.go

@@ -0,0 +1,72 @@
+/*
+ *
+ * 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 token
+
+import (
+	"github.com/google/go-cmp/cmp"
+	"kubesphere.io/kubesphere/pkg/api/auth"
+	"kubesphere.io/kubesphere/pkg/api/iam"
+	"kubesphere.io/kubesphere/pkg/simple/client/cache"
+	"testing"
+)
+
+func TestJwtTokenIssuer(t *testing.T) {
+	options := auth.NewAuthenticateOptions()
+	options.JwtSecret = "kubesphere"
+	issuer := NewJwtTokenIssuer(DefaultIssuerName, options, cache.NewSimpleCache())
+
+	testCases := []struct {
+		description string
+		name        string
+		uid         string
+		email       string
+	}{
+		{
+			name: "admin",
+			uid:  "b8be6edd-2c92-4535-9b2a-df6326474458",
+		},
+		{
+			name: "bar",
+			uid:  "b8be6edd-2c92-4535-9b2a-df6326474452",
+		},
+	}
+
+	for _, testCase := range testCases {
+		user := &iam.User{
+			Name: testCase.name,
+			UID:  testCase.uid,
+		}
+
+		t.Run(testCase.description, func(t *testing.T) {
+			token, _, err := issuer.IssueTo(user)
+			if err != nil {
+				t.Fatal(err)
+			}
+
+			got, _, err := issuer.Verify(token)
+			if err != nil {
+				t.Fatal(err)
+			}
+
+			if diff := cmp.Diff(user, got); len(diff) != 0 {
+				t.Errorf("%T differ (-got, +expected), %s", user, diff)
+			}
+		})
+	}
+}

pkg/apiserver/authentication/token/token.go

@@ -1 +0,0 @@
-package token

pkg/apiserver/authentication/token/user.go

@@ -0,0 +1,27 @@
+/*
+ *
+ * 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 token
+
+type User interface {
+	// Name
+	GetName() string
+
+	// UID
+	GetUID() string
+}