/
auth.go
174 lines (155 loc) · 5.04 KB
/
auth.go
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/*
* Tencent is pleased to support the open source community by making 蓝鲸 available.
* Copyright (C) 2017-2018 THL A29 Limited, a Tencent company. All rights reserved.
* Licensed under the MIT License (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
* http://opensource.org/licenses/MIT
* 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 cmd
import (
"context"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"net/http"
"os"
"time"
"configcenter/src/ac"
"configcenter/src/ac/iam"
"configcenter/src/ac/meta"
"configcenter/src/apimachinery"
"configcenter/src/apimachinery/discovery"
"configcenter/src/apimachinery/util"
"configcenter/src/common"
"configcenter/src/common/backbone/service_mange/zk"
"configcenter/src/common/blog"
"configcenter/src/tools/cmdb_ctl/app/config"
"github.com/spf13/cobra"
)
func init() {
rootCmd.AddCommand(NewAuthCommand())
}
type authConf struct {
resource string
resourceFile string
logv int32
}
func NewAuthCommand() *cobra.Command {
conf := new(authConf)
cmd := &cobra.Command{
Use: "auth",
Short: "auth operations",
Run: func(cmd *cobra.Command, args []string) {
_ = cmd.Help()
},
}
subCmds := make([]*cobra.Command, 0)
userName := new(string)
supplierAccount := new(string)
checkCmd := &cobra.Command{
Use: "check",
Short: "check if user has the authority to operate resources",
RunE: func(cmd *cobra.Command, args []string) error {
return runAuthCheckCmd(conf, *userName, *supplierAccount)
},
}
checkCmd.Flags().StringVar(userName, "user", "", "the name of the user")
checkCmd.Flags().StringVar(supplierAccount, "supplier-account", "0", "the supplier id that this user belongs to")
subCmds = append(subCmds, checkCmd)
for _, subCmd := range subCmds {
cmd.AddCommand(subCmd)
}
conf.addFlags(cmd)
return cmd
}
func (c *authConf) addFlags(cmd *cobra.Command) {
cmd.PersistentFlags().StringVarP(&c.resource, "resource", "r", "", "the resource for authorize")
cmd.PersistentFlags().StringVarP(&c.resourceFile, "rsc-file", "f", "", "the resource file path for authorize")
cmd.PersistentFlags().Int32VarP(&c.logv, "logV", "v", 0, "the log level of request, default request body log level is 4")
}
type authService struct {
authorizer ac.AuthorizeInterface
resource []meta.ResourceAttribute
}
func newAuthService(c *authConf) (*authService, error) {
blog.SetV(c.logv)
if c.resource == "" && c.resourceFile == "" {
return nil, errors.New("resource must be set via resource flag or resource file specified by rsc-file flag")
}
client := zk.NewZkClient(config.Conf.ZkAddr, 40*time.Second)
if err := client.Start(); err != nil {
return nil, fmt.Errorf("connect regdiscv [%s] failed: %v", config.Conf.ZkAddr, err)
}
if err := client.Ping(); err != nil {
return nil, fmt.Errorf("connect regdiscv [%s] failed: %v", config.Conf.ZkAddr, err)
}
serviceDiscovery, err := discovery.NewServiceDiscovery(client)
if err != nil {
return nil, fmt.Errorf("connect regdiscv [%s] failed: %v", config.Conf.ZkAddr, err)
}
apiMachineryConfig := &util.APIMachineryConfig{
QPS: 1000,
Burst: 2000,
TLSConfig: nil,
}
clientSet, err := apimachinery.NewApiMachinery(apiMachineryConfig, serviceDiscovery)
if err != nil {
return nil, fmt.Errorf("new api machinery failed, err: %v", err)
}
service := &authService{
authorizer: iam.NewAuthorizer(clientSet),
}
if c.resource != "" {
err = json.Unmarshal([]byte(c.resource), &service.resource)
if err != nil {
return nil, err
}
} else {
resourceFile, err := os.Open(c.resourceFile)
if err != nil {
return nil, fmt.Errorf("fail to open file(%s), err(%s)", c.resourceFile, err.Error())
}
defer resourceFile.Close()
resource, err := ioutil.ReadAll(resourceFile)
if err != nil {
blog.Errorf("fail to read data from resource file(%s), err:%s", resourceFile, err.Error())
return nil, err
}
err = json.Unmarshal(resource, &service.resource)
if err != nil {
return nil, err
}
}
return service, nil
}
func runAuthCheckCmd(c *authConf, userName string, supplierAccount string) error {
srv, err := newAuthService(c)
if err != nil {
return err
}
header := make(http.Header)
header.Add(common.BKHTTPOwnerID, "0")
header.Add(common.BKHTTPHeaderUser, "admin")
header.Add("Content-Type", "application/json")
userInfo := meta.UserInfo{
UserName: userName,
SupplierAccount: supplierAccount,
}
decisions, err := srv.authorizer.AuthorizeBatch(context.Background(), header, userInfo, srv.resource...)
if err != nil {
return err
}
for _, decision := range decisions {
if !decision.Authorized {
_, _ = fmt.Fprintln(os.Stdout, WithGreenColor("Unauthorized"))
return nil
}
}
_, _ = fmt.Fprintln(os.Stdout, WithGreenColor("Authorized"))
return nil
}