mirror of https://github.com/k3s-io/k3s
54 lines
1.5 KiB
Go
54 lines
1.5 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package policy
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import (
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"fmt"
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"k8s.io/apiserver/pkg/apis/audit"
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)
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// EnforcePolicy drops any part of the event that doesn't conform to a policy level
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// or omitStages and sets the event level accordingly
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func EnforcePolicy(event *audit.Event, level audit.Level, omitStages []audit.Stage) (*audit.Event, error) {
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for _, stage := range omitStages {
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if event.Stage == stage {
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return nil, nil
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}
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}
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return enforceLevel(event, level)
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}
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func enforceLevel(event *audit.Event, level audit.Level) (*audit.Event, error) {
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switch level {
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case audit.LevelMetadata:
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event.Level = audit.LevelMetadata
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event.ResponseObject = nil
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event.RequestObject = nil
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case audit.LevelRequest:
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event.Level = audit.LevelRequest
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event.ResponseObject = nil
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case audit.LevelRequestResponse:
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event.Level = audit.LevelRequestResponse
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case audit.LevelNone:
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return nil, nil
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default:
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return nil, fmt.Errorf("level unknown: %s", level)
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}
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return event, nil
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}
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