add ks-iam and ks-apigateway

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

pkg/apiserver/iam/auth.go

@@ -0,0 +1,142 @@
+/*
+
+ Copyright 2019 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 iam
+
+import (
+	"fmt"
+	"github.com/dgrijalva/jwt-go"
+	"github.com/emicklei/go-restful"
+	"kubesphere.io/kubesphere/pkg/models"
+	"net/http"
+
+	"kubesphere.io/kubesphere/pkg/errors"
+	"kubesphere.io/kubesphere/pkg/models/iam"
+	"kubesphere.io/kubesphere/pkg/utils"
+	jwtutils "kubesphere.io/kubesphere/pkg/utils/jwt"
+)
+
+type Spec struct {
+	Token string `json:"token"`
+}
+
+type Status struct {
+	Authenticated bool                   `json:"authenticated"`
+	User          map[string]interface{} `json:"user,omitempty"`
+}
+
+type TokenReview struct {
+	APIVersion string  `json:"apiVersion"`
+	Kind       string  `json:"kind"`
+	Spec       *Spec   `json:"spec,omitempty"`
+	Status     *Status `json:"status,omitempty"`
+}
+
+type LoginRequest struct {
+	Username string `json:"username"`
+	Password string `json:"password"`
+}
+
+const (
+	APIVersion      = "authentication.k8s.io/v1beta1"
+	KindTokenReview = "TokenReview"
+)
+
+func LoginHandler(req *restful.Request, resp *restful.Response) {
+	var loginRequest LoginRequest
+
+	err := req.ReadEntity(&loginRequest)
+
+	if err != nil || loginRequest.Username == "" || loginRequest.Password == "" {
+		resp.WriteHeaderAndEntity(http.StatusUnauthorized, errors.Wrap(fmt.Errorf("incorrect username or password")))
+		return
+	}
+
+	ip := utils.RemoteIp(req.Request)
+
+	token, err := iam.Login(loginRequest.Username, loginRequest.Password, ip)
+
+	if err != nil {
+		resp.WriteHeaderAndEntity(http.StatusUnauthorized, errors.Wrap(err))
+		return
+	}
+
+	resp.WriteAsJson(models.Token{Token: token})
+}
+
+// k8s token review
+func TokenReviewHandler(req *restful.Request, resp *restful.Response) {
+	var tokenReview TokenReview
+
+	err := req.ReadEntity(&tokenReview)
+
+	if err != nil {
+		resp.WriteHeaderAndEntity(http.StatusBadRequest, errors.Wrap(err))
+		return
+	}
+
+	if tokenReview.Spec == nil {
+		resp.WriteHeaderAndEntity(http.StatusBadRequest, errors.Wrap(fmt.Errorf("token must not be null")))
+		return
+	}
+
+	uToken := tokenReview.Spec.Token
+
+	token, err := jwtutils.ValidateToken(uToken)
+
+	if err != nil {
+		failed := TokenReview{APIVersion: APIVersion,
+			Kind: KindTokenReview,
+			Status: &Status{
+				Authenticated: false,
+			},
+		}
+		resp.WriteAsJson(failed)
+		return
+	}
+
+	claims := token.Claims.(jwt.MapClaims)
+
+	username := claims["username"].(string)
+
+	conn, err := iam.NewConnection()
+
+	if err != nil {
+		resp.WriteHeaderAndEntity(http.StatusInternalServerError, errors.Wrap(err))
+		return
+	}
+
+	defer conn.Close()
+
+	user, err := iam.UserDetail(username, conn)
+
+	if err != nil {
+		resp.WriteHeaderAndEntity(http.StatusInternalServerError, errors.Wrap(err))
+		return
+	}
+
+	success := TokenReview{APIVersion: APIVersion,
+		Kind: KindTokenReview,
+		Status: &Status{
+			Authenticated: true,
+			User:          map[string]interface{}{"username": user.Username, "uid": user.Username, "groups": user.Groups},
+		},
+	}
+
+	resp.WriteAsJson(success)
+	return
+}