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context.go
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context.go
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// Copyright 2015-present, Cyrill @ Schumacher.fm and the CoreStore contributors
//
// 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 jwt
import (
"context"
"github.com/corestoreio/pkg/util/csjwt"
)
type keyCtxToken struct{}
type ctxTokenWrapper struct {
t csjwt.Token
}
// withContext creates a new context with csjwt.Token attached.
func withContext(ctx context.Context, t csjwt.Token) context.Context {
return context.WithValue(ctx, keyCtxToken{}, ctxTokenWrapper{t: t})
}
// FromContext returns the csjwt.Token in ctx if it exists or an error. If there
// is no token in the context then the error ErrContextJWTNotFound gets
// returned. Error behaviour: NotFound.
func FromContext(ctx context.Context) (csjwt.Token, bool) {
wrp, ok := ctx.Value(keyCtxToken{}).(ctxTokenWrapper)
return wrp.t, ok
}