middleware.go

Documentation: github.com/chaos-mesh/chaos-mesh/pkg/dashboard/apiserver/auth/gcp

     1  // Copyright 2021 Chaos Mesh Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  // http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  //
    15  
    16  package gcp
    17  
    18  import (
    19  	"time"
    20  
    21  	"github.com/gin-gonic/gin"
    22  	"golang.org/x/oauth2"
    23  
    24  	"github.com/chaos-mesh/chaos-mesh/pkg/dashboard/apiserver/utils"
    25  )
    26  
    27  func (s *Service) Middleware(c *gin.Context) {
    28  	ctx := c.Request.Context()
    29  
    30  	s.logger.Info("handling gcp middleware")
    31  	if c.Request.Header.Get("X-Authorization-Method") != "gcp" {
    32  		c.Next()
    33  		return
    34  	}
    35  
    36  	expiry, err := time.Parse(time.RFC3339, c.Request.Header.Get("X-Authorization-Expiry"))
    37  	if err != nil {
    38  		utils.SetAPIError(c, utils.ErrInternalServer.WrapWithNoMessage(err))
    39  		return
    40  	}
    41  	oauth := s.getOauthConfig(c)
    42  	token, err := oauth.TokenSource(ctx, &oauth2.Token{
    43  		AccessToken:  c.Request.Header.Get("X-Authorization-AccessToken"),
    44  		RefreshToken: c.Request.Header.Get("X-Authorization-RefreshToken"),
    45  		Expiry:       expiry,
    46  	}).Token()
    47  
    48  	if err != nil {
    49  		utils.SetAPIError(c, utils.ErrInternalServer.WrapWithNoMessage(err))
    50  		return
    51  	}
    52  
    53  	s.logger.Info("setting request header")
    54  	token.SetAuthHeader(c.Request)
    55  	s.logger.Info("setting request header", "header", c.Request.Header)
    56  	setCookie(c, token)
    57  
    58  	c.Next()
    59  }
    60