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26 lines
649 B
Go
26 lines
649 B
Go
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// Copyright (c) Mainflux
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// SPDX-License-Identifier: Apache-2.0
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package httputil
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import (
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"net/http"
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"strings"
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"github.com/mainflux/mainflux/pkg/errors"
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)
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// BearerPrefix represents the token prefix for Bearer authentication scheme.
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const BearerPrefix = "Bearer "
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// ExtractAuthToken reads the value of request Authorization and removes the Bearer substring or returns error if it does not exist
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func ExtractAuthToken(r *http.Request) (string, error) {
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token := r.Header.Get("Authorization")
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if !strings.HasPrefix(token, BearerPrefix) {
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return token, errors.ErrAuthentication
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}
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return strings.TrimPrefix(token, BearerPrefix), nil
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}
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