152 lines
3.8 KiB
Go
152 lines
3.8 KiB
Go
/*
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Copyright 2019 The KubeSphere Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package iam
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import (
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"github.com/dgrijalva/jwt-go"
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"github.com/emicklei/go-restful"
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"github.com/golang/glog"
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"kubesphere.io/kubesphere/pkg/utils/iputil"
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"kubesphere.io/kubesphere/pkg/utils/jwtutil"
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"net/http"
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"kubesphere.io/kubesphere/pkg/errors"
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"kubesphere.io/kubesphere/pkg/models/iam"
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)
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type Spec struct {
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Token string `json:"token" description:"access token"`
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}
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type Status struct {
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Authenticated bool `json:"authenticated" description:"is authenticated"`
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User map[string]interface{} `json:"user,omitempty" description:"user info"`
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}
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type TokenReview struct {
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APIVersion string `json:"apiVersion" description:"Kubernetes API version"`
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Kind string `json:"kind" description:"kind of the API object"`
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Spec *Spec `json:"spec,omitempty"`
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Status *Status `json:"status,omitempty" description:"token review status"`
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}
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type LoginRequest struct {
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Username string `json:"username" description:"username"`
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Password string `json:"password" description:"password"`
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}
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const (
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APIVersion = "authentication.k8s.io/v1beta1"
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KindTokenReview = "TokenReview"
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)
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func Login(req *restful.Request, resp *restful.Response) {
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var loginRequest LoginRequest
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err := req.ReadEntity(&loginRequest)
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if err != nil || loginRequest.Username == "" || loginRequest.Password == "" {
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resp.WriteHeaderAndEntity(http.StatusUnauthorized, errors.New("incorrect username or password"))
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return
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}
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ip := iputil.RemoteIp(req.Request)
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token, err := iam.Login(loginRequest.Username, loginRequest.Password, ip)
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if err != nil {
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if serviceError, ok := err.(restful.ServiceError); ok {
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resp.WriteHeaderAndEntity(serviceError.Code, errors.New(serviceError.Message))
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return
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}
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resp.WriteHeaderAndEntity(http.StatusUnauthorized, errors.Wrap(err))
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return
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}
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resp.WriteAsJson(token)
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}
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// k8s token review
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func TokenReviewHandler(req *restful.Request, resp *restful.Response) {
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var tokenReview TokenReview
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err := req.ReadEntity(&tokenReview)
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if err != nil {
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resp.WriteHeaderAndEntity(http.StatusBadRequest, errors.Wrap(err))
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return
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}
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if tokenReview.Spec == nil {
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resp.WriteHeaderAndEntity(http.StatusBadRequest, errors.New("token must not be null"))
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return
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}
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uToken := tokenReview.Spec.Token
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token, err := jwtutil.ValidateToken(uToken)
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if err != nil {
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glog.Errorln("token review failed", uToken, err)
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failed := TokenReview{APIVersion: APIVersion,
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Kind: KindTokenReview,
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Status: &Status{
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Authenticated: false,
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},
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}
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resp.WriteAsJson(failed)
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return
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}
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claims := token.Claims.(jwt.MapClaims)
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username, ok := claims["username"].(string)
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if !ok {
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resp.WriteHeaderAndEntity(http.StatusBadRequest, errors.New("username not found"))
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return
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}
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user, err := iam.GetUserInfo(username)
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if err != nil {
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resp.WriteHeaderAndEntity(http.StatusInternalServerError, errors.Wrap(err))
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return
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}
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groups, err := iam.GetUserGroups(username)
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if err != nil {
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resp.WriteHeaderAndEntity(http.StatusInternalServerError, errors.Wrap(err))
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return
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}
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user.Groups = groups
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success := TokenReview{APIVersion: APIVersion,
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Kind: KindTokenReview,
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Status: &Status{
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Authenticated: true,
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User: map[string]interface{}{"username": user.Username, "uid": user.Username, "groups": user.Groups},
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},
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}
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resp.WriteAsJson(success)
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return
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}
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