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types.go
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/
types.go
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// Copyright 2018 Google Inc. All Rights Reserved.
//
// 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 trees
import "github.com/google/trillian"
// OpType indicates how a tree is to be used and participates in permissions
// decisions.
type OpType int
const (
// Unknown is an access type that will always get rejected.
Unknown OpType = iota
// Admin access is for general administration purposes.
Admin
// Query implies access to serve query, typically readonly.
Query
// QueueLog is log specific - adding entries to the queue.
QueueLog
// SequenceLog is log specific - integrating entries into the tree.
SequenceLog
// UpdateMap is map specific - set / update leaves.
UpdateMap
)
// GetOpts contains validation options for GetTree.
type GetOpts struct {
// TreeTypes is a set of allowed tree types. If empty, any type is allowed.
TreeTypes map[trillian.TreeType]bool
// Operation indicates what operation is being performed.
Operation OpType
}
// NewGetOpts creates GetOps that allows the listed set of tree types, and
// optionally forces the tree to be readonly.
func NewGetOpts(op OpType, types ...trillian.TreeType) GetOpts {
m := make(map[trillian.TreeType]bool)
for _, t := range types {
m[t] = true
}
return GetOpts{Operation: op, TreeTypes: m}
}