diff options
Diffstat (limited to 'tpl/crypto/crypto.go')
-rw-r--r-- | tpl/crypto/crypto.go | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/tpl/crypto/crypto.go b/tpl/crypto/crypto.go new file mode 100644 index 000000000..207e4df39 --- /dev/null +++ b/tpl/crypto/crypto.go @@ -0,0 +1,67 @@ +// Copyright 2017 The Hugo Authors. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package crypto + +import ( + "crypto/md5" + "crypto/sha1" + "crypto/sha256" + "encoding/hex" + + "github.com/spf13/cast" +) + +// New returns a new instance of the crypto-namespaced template functions. +func New() *Namespace { + return &Namespace{} +} + +// Namespace provides template functions for the "crypto" namespace. +type Namespace struct{} + +// Namespace returns a pointer to the current namespace instance. +func (ns *Namespace) Namespace() *Namespace { return ns } + +// MD5 hashes the given input and returns its MD5 checksum. +func (ns *Namespace) MD5(in interface{}) (string, error) { + conv, err := cast.ToStringE(in) + if err != nil { + return "", err + } + + hash := md5.Sum([]byte(conv)) + return hex.EncodeToString(hash[:]), nil +} + +// SHA1 hashes the given input and returns its SHA1 checksum. +func (ns *Namespace) SHA1(in interface{}) (string, error) { + conv, err := cast.ToStringE(in) + if err != nil { + return "", err + } + + hash := sha1.Sum([]byte(conv)) + return hex.EncodeToString(hash[:]), nil +} + +// SHA256 hashes the given input and returns its SHA256 checksum. +func (ns *Namespace) SHA256(in interface{}) (string, error) { + conv, err := cast.ToStringE(in) + if err != nil { + return "", err + } + + hash := sha256.Sum256([]byte(conv)) + return hex.EncodeToString(hash[:]), nil +} |