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45 lines
1.6 KiB
Go
45 lines
1.6 KiB
Go
// Copyright 2014 Matthew Endsley
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// All rights reserved
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted providing that the following conditions
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// are met:
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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// OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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// IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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package gojwk
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import (
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"encoding/base64"
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"strings"
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)
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func safeDecode(str string) ([]byte, error) {
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lenMod4 := len(str) % 4
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if lenMod4 > 0 {
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str = str + strings.Repeat("=", 4-lenMod4)
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}
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return base64.URLEncoding.DecodeString(str)
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}
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func safeEncode(p []byte) string {
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data := base64.URLEncoding.EncodeToString(p)
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return strings.TrimRight(data, "=")
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}
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