go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/cv/internal/rpc/v0/common.go (about)

     1  // Copyright 2021 The LUCI 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  package rpc
    16  
    17  import (
    18  	"context"
    19  
    20  	"google.golang.org/grpc/codes"
    21  
    22  	"go.chromium.org/luci/common/logging"
    23  	"go.chromium.org/luci/grpc/appstatus"
    24  	"go.chromium.org/luci/server/auth"
    25  
    26  	"go.chromium.org/luci/cv/internal/acls"
    27  )
    28  
    29  // checkCanUseAPI ensures that calling user is granted permission to use
    30  // unstable v0 API.
    31  func checkCanUseAPI(ctx context.Context, name string) error {
    32  	switch yes, err := auth.IsMember(ctx, acls.V0APIAllowGroup); {
    33  	case err != nil:
    34  		return appstatus.Errorf(codes.Internal, "failed to check ACL")
    35  	case !yes:
    36  		return appstatus.Errorf(codes.PermissionDenied, "not a member of %s", acls.V0APIAllowGroup)
    37  	default:
    38  		logging.Debugf(ctx, "%s is calling %s", auth.CurrentIdentity(ctx), name)
    39  		return nil
    40  	}
    41  }