scheduler: Move IsJobOwner to acl package.

scheduler/appengine/apiservers/scheduler.go

 // Copyright 2016 The LUCI Authors.
 //
 // Licensed 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 apiservers
 
 import (
         "github.com/luci/luci-go/scheduler/api/scheduler/v1"
+        "github.com/luci/luci-go/scheduler/appengine/acl"
         "github.com/luci/luci-go/scheduler/appengine/catalog"
         "github.com/luci/luci-go/scheduler/appengine/engine"
         "github.com/luci/luci-go/scheduler/appengine/presentation"
         "github.com/luci/luci-go/server/auth"
         "golang.org/x/net/context"
         "google.golang.org/grpc"
         "google.golang.org/grpc/codes"
 
         "github.com/golang/protobuf/ptypes/empty"
 )
@@ skipping 110 matching lines @@
 func (s SchedulerServer) AbortInvocation(ctx context.Context, in *scheduler.InvocationRef) (
         *empty.Empty, error) {
         return runAction(ctx, in.GetJobRef(), func() error {
                 return s.Engine.AbortInvocation(ctx, getJobId(in.GetJobRef()), in.GetInvocationId(), auth.CurrentIdentity(ctx))
         })
 }
 
 //// Private helpers.
 
 func runAction(ctx context.Context, jobRef *scheduler.JobRef, action func() error) (*empty.Empty, error) {
-        if !presentation.IsJobOwner(ctx, jobRef.GetProject(), jobRef.GetJob()) {
+        if !acl.IsJobOwner(ctx, jobRef.GetProject(), jobRef.GetJob()) {
                 return nil, grpc.Errorf(codes.PermissionDenied, "No permission to execute action")
         }
         switch err := action(); {
         case err == nil:
                 return &empty.Empty{}, nil
         case err == engine.ErrNoSuchJob:
                 return nil, grpc.Errorf(codes.NotFound, "no such job")
         case err == engine.ErrNoSuchInvocation:
                 return nil, grpc.Errorf(codes.NotFound, "no such invocation")
         default:
                 return nil, grpc.Errorf(codes.Internal, "internal error: %s", err)
         }
 }
 
 func getJobId(jobRef *scheduler.JobRef) string {
         return jobRef.GetProject() + "/" + jobRef.GetJob()
 }