go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/cipd/appengine/impl/metadata/utils.go (about)

     1  // Copyright 2018 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 metadata
    16  
    17  import (
    18  	"go.chromium.org/luci/common/data/stringset"
    19  
    20  	api "go.chromium.org/luci/cipd/api/cipd/v1"
    21  )
    22  
    23  // GetACLs returns ACLs in the metadata as a map: role -> set of principals.
    24  func GetACLs(m *api.PrefixMetadata) map[api.Role]stringset.Set {
    25  	out := map[api.Role]stringset.Set{}
    26  	for _, acl := range m.Acls {
    27  		if len(acl.Principals) == 0 {
    28  			continue
    29  		}
    30  		set := out[acl.Role]
    31  		if set == nil {
    32  			set = stringset.New(len(acl.Principals))
    33  			out[acl.Role] = set
    34  		}
    35  		for _, p := range acl.Principals {
    36  			set.Add(p)
    37  		}
    38  	}
    39  	return out
    40  }