add iam crd

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

pkg/controller/user/user_webhook.go

@@ -0,0 +1,102 @@
+/*
+ *
+ * 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 user
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"golang.org/x/crypto/bcrypt"
+	"kubesphere.io/kubesphere/pkg/apis/iam/v1alpha2"
+	"net/http"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+	"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
+	"strconv"
+)
+
+type EmailValidator struct {
+	Client  client.Client
+	decoder *admission.Decoder
+}
+
+type PasswordCipher struct {
+	Client  client.Client
+	decoder *admission.Decoder
+}
+
+func (a *EmailValidator) Handle(ctx context.Context, req admission.Request) admission.Response {
+	user := &v1alpha2.User{}
+	err := a.decoder.Decode(req, user)
+	if err != nil {
+		return admission.Errored(http.StatusBadRequest, err)
+	}
+
+	email := user.Spec.Email
+
+	allUsers := v1alpha2.UserList{}
+
+	a.Client.List(ctx, &v1alpha2.UserList{}, &client.ListOptions{})
+
+	found := emailAlreadyExist(allUsers, email)
+
+	if !found {
+		return admission.Denied(fmt.Sprintf("email %s must be unique", email))
+	}
+
+	return admission.Allowed("")
+}
+
+func emailAlreadyExist(users v1alpha2.UserList, email string) bool {
+	for _, user := range users.Items {
+		if user.Spec.Email == email {
+			return true
+		}
+	}
+	return false
+}
+
+func (a *PasswordCipher) Handle(ctx context.Context, req admission.Request) admission.Response {
+	user := &v1alpha2.User{}
+	err := a.decoder.Decode(req, user)
+	if err != nil {
+		return admission.Errored(http.StatusBadRequest, err)
+	}
+
+	encrypted, err := strconv.ParseBool(user.Annotations["iam.kubesphere.io/password-encrypted"])
+
+	if err != nil || !encrypted {
+		password, err := hashPassword(user.Spec.EncryptedPassword)
+		if err != nil {
+			return admission.Errored(http.StatusInternalServerError, err)
+		}
+		user.Spec.EncryptedPassword = password
+	}
+
+	marshaledUser, err := json.Marshal(user)
+	if err != nil {
+		return admission.Errored(http.StatusInternalServerError, err)
+	}
+
+	return admission.PatchResponseFromRaw(req.Object.Raw, marshaledUser)
+}
+
+func hashPassword(password string) (string, error) {
+	bytes, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.MinCost)
+	return string(bytes), err
+}