server/rest/controller/v4/auth_resource.go

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 v4

import (
	"context"
	"encoding/json"
	"errors"
	"github.com/apache/servicecomb-service-center/pkg/log"
	"github.com/apache/servicecomb-service-center/pkg/model"
	"github.com/apache/servicecomb-service-center/pkg/rest"
	util2 "github.com/apache/servicecomb-service-center/pkg/util"
	"github.com/apache/servicecomb-service-center/server/rest/controller"
	"github.com/apache/servicecomb-service-center/server/scerror"
	"github.com/apache/servicecomb-service-center/server/service/rbac"
	"github.com/go-chassis/go-chassis/security/authr"
	"io/ioutil"
	"net/http"
)

type AuthResource struct {
}

//URLPatterns define htp pattern
func (r *AuthResource) URLPatterns() []rest.Route {
	return []rest.Route{
		{Method: http.MethodPost, Path: "/v4/token", Func: r.Login},
		{Method: http.MethodPut, Path: "/v4/account-password", Func: r.ChangePassword},
	}
}
func (r *AuthResource) ChangePassword(w http.ResponseWriter, req *http.Request) {
	body, err := ioutil.ReadAll(req.Body)
	if err != nil {
		log.Error("read body err", err)
		controller.WriteError(w, scerror.ErrInternal, err.Error())
		return
	}
	a := &model.Account{}
	if err = json.Unmarshal(body, a); err != nil {
		log.Error("json err", err)
		controller.WriteError(w, scerror.ErrInvalidParams, err.Error())
		return
	}
	if a.Password == "" {
		controller.WriteError(w, scerror.ErrInvalidParams, "new password is empty")
		return
	}
	claims := rbac.FromContext(req.Context())
	m, ok := claims.(map[string]interface{})
	if !ok {
		log.Error("claims convert failed", errors.New(util2.ErrMsgConvert))
		controller.WriteError(w, scerror.ErrInvalidParams, util2.ErrMsgConvert)
		return
	}
	accountNameI := m[rbac.ClaimsUser]
	changer, ok := accountNameI.(string)
	if !ok {
		log.Error("claims convert failed", errors.New(util2.ErrMsgConvert))
		controller.WriteError(w, scerror.ErrInternal, util2.ErrMsgConvert)
		return
	}
	roleI := m[rbac.ClaimsRole]
	role, ok := roleI.(string)
	if !ok {
		log.Error("claims convert failed", errors.New(util2.ErrMsgConvert))
		controller.WriteError(w, scerror.ErrInternal, util2.ErrMsgConvert)
		return
	}
	if role == "" {
		controller.WriteError(w, scerror.ErrInvalidParams, "role is empty")
		return
	}
	err = rbac.ChangePassword(context.TODO(), role, changer, a)
	if err != nil {
		log.Error("change password failed", err)
		controller.WriteError(w, scerror.ErrInternal, err.Error())
		return
	}
}
func (r *AuthResource) Login(w http.ResponseWriter, req *http.Request) {
	body, err := ioutil.ReadAll(req.Body)
	if err != nil {
		log.Error("read body err", err)
		controller.WriteError(w, scerror.ErrInternal, err.Error())
		return
	}
	a := &model.Account{}
	if err = json.Unmarshal(body, a); err != nil {
		log.Error("json err", err)
		controller.WriteError(w, scerror.ErrInvalidParams, err.Error())
		return
	}
	t, err := authr.Login(context.TODO(), a.Name, a.Password)
	if err != nil {
		if err == rbac.ErrUnauthorized {
			log.Error("not authorized", err)
			controller.WriteError(w, scerror.ErrUnauthorized, err.Error())
			return
		}
		log.Error("can not sign token", err)
		controller.WriteError(w, scerror.ErrInternal, err.Error())
		return
	}
	to := &model.Token{TokenStr: t}
	b, err := json.Marshal(to)
	if err != nil {
		log.Error("json err", err)
		controller.WriteError(w, scerror.ErrInvalidParams, err.Error())
		return
	}
	controller.WriteJSON(w, b)
}