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65 lines
1.8 KiB
Go
65 lines
1.8 KiB
Go
// Copyright 2017 The Hugo Authors. All rights reserved.
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//
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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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//
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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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// Package crypto provides template functions for cryptographic operations.
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package crypto
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import (
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"crypto/md5"
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"crypto/sha1"
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"crypto/sha256"
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"encoding/hex"
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"github.com/spf13/cast"
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)
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// New returns a new instance of the crypto-namespaced template functions.
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func New() *Namespace {
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return &Namespace{}
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}
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// Namespace provides template functions for the "crypto" namespace.
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type Namespace struct{}
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// MD5 hashes the given input and returns its MD5 checksum.
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func (ns *Namespace) MD5(in interface{}) (string, error) {
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conv, err := cast.ToStringE(in)
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if err != nil {
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return "", err
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}
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hash := md5.Sum([]byte(conv))
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return hex.EncodeToString(hash[:]), nil
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}
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// SHA1 hashes the given input and returns its SHA1 checksum.
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func (ns *Namespace) SHA1(in interface{}) (string, error) {
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conv, err := cast.ToStringE(in)
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if err != nil {
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return "", err
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}
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hash := sha1.Sum([]byte(conv))
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return hex.EncodeToString(hash[:]), nil
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}
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// SHA256 hashes the given input and returns its SHA256 checksum.
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func (ns *Namespace) SHA256(in interface{}) (string, error) {
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conv, err := cast.ToStringE(in)
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if err != nil {
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return "", err
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}
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hash := sha256.Sum256([]byte(conv))
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return hex.EncodeToString(hash[:]), nil
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}
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