mirror of
https://github.com/ceph/ceph-csi.git
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67 lines
2.0 KiB
Go
67 lines
2.0 KiB
Go
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/*
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Copyright 2021 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 request
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import (
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"context"
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"net/http"
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"k8s.io/apimachinery/pkg/types"
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)
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type auditIDKeyType int
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// auditIDKey is the key to associate the Audit-ID value of a request.
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const auditIDKey auditIDKeyType = iota
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// WithAuditID returns a copy of the parent context into which the Audit-ID
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// associated with the request is set.
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//
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// If the specified auditID is empty, no value is set and the parent context is returned as is.
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func WithAuditID(parent context.Context, auditID types.UID) context.Context {
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if auditID == "" {
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return parent
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}
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return WithValue(parent, auditIDKey, auditID)
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}
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// AuditIDFrom returns the value of the audit ID from the request context.
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func AuditIDFrom(ctx context.Context) (types.UID, bool) {
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auditID, ok := ctx.Value(auditIDKey).(types.UID)
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return auditID, ok
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}
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// GetAuditIDTruncated returns the audit ID (truncated) associated with a request.
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// If the length of the Audit-ID value exceeds the limit, we truncate it to keep
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// the first N (maxAuditIDLength) characters.
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// This is intended to be used in logging only.
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func GetAuditIDTruncated(req *http.Request) string {
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auditID, ok := AuditIDFrom(req.Context())
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if !ok {
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return ""
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}
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// if the user has specified a very long audit ID then we will use the first N characters
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// Note: assuming Audit-ID header is in ASCII
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const maxAuditIDLength = 64
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if len(auditID) > maxAuditIDLength {
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auditID = auditID[0:maxAuditIDLength]
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}
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return string(auditID)
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}
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