mirror of
https://github.com/gravitational/teleport
synced 2024-10-22 18:23:25 +00:00
41 lines
1.1 KiB
Go
41 lines
1.1 KiB
Go
/*
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Copyright 2019 Gravitational, Inc.
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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 utils
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import (
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"io/ioutil"
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"strings"
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"github.com/gravitational/trace"
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)
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// ReadToken is a utility function to read the token
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// from the disk if it looks like a path,
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// otherwise, treat it as a value
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func ReadToken(token string) (string, error) {
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if !strings.HasPrefix(token, "/") {
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return token, nil
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}
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// treat it as a file
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out, err := ioutil.ReadFile(token)
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if err != nil {
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return "", trace.ConvertSystemError(err)
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}
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// trim newlines as tokens in files tend to have newlines
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return strings.TrimSpace(string(out)), nil
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}
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