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40 lines
1.1 KiB
Go
40 lines
1.1 KiB
Go
/*
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Copyright 2023 The Flux 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 utils
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import (
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"regexp"
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"strings"
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)
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// hexRegexp matches any hexadecimal notation between 40 and 128 characters.
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var hexRegexp = regexp.MustCompile(`\b[a-f0-9]{40,128}\b`)
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// TruncateHex will replace any hexadecimal notation between 40 and 128
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// characters (SHA-1 up to SHA-512) within the given string with a truncated
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// version of 8 characters.
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func TruncateHex(str string) string {
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if str == "" {
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return ""
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}
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hits := hexRegexp.FindAllString(str, -1)
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for _, v := range hits {
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str = strings.Replace(str, v, string([]rune(v)[:8]), -1)
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}
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return str
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}
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