/
context.go
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/
context.go
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/*
* Copyright 2017-2019 Kopano and its licensors
*
* 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 identity
import (
"context"
)
// key is an unexported type for keys defined in this package.
// This prevents collisions with keys defined in other packages.
type key int
// authRecordKey is the key for identity.AuthRecord in Contexts. It is
// unexported; clients use identity.NewContext and identity.FromContext
// instead of using this key directly.
var authRecordKey key
// NewContext returns a new Context that carries value auth.
func NewContext(ctx context.Context, auth AuthRecord) context.Context {
return context.WithValue(ctx, authRecordKey, auth)
}
// FromContext returns the AuthRecord value stored in ctx, if any.
func FromContext(ctx context.Context) (AuthRecord, bool) {
auth, ok := ctx.Value(authRecordKey).(AuthRecord)
return auth, ok
}