48 lines
1.0 KiB
Go
48 lines
1.0 KiB
Go
/*
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Copyright 2019 The KubeSphere 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 readerutils
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import (
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"crypto/md5"
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"hash"
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"io"
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)
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type MD5Reader struct {
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md5 hash.Hash
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body io.Reader
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}
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func (reader *MD5Reader) Read(b []byte) (int, error) {
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n, err := reader.body.Read(b)
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if err != nil {
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return n, err
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}
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return reader.md5.Write(b[:n])
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}
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func (reader *MD5Reader) MD5() []byte {
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return reader.md5.Sum(nil)
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}
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func NewMD5Reader(reader io.Reader) *MD5Reader {
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return &MD5Reader{
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md5: md5.New(),
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body: reader,
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}
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}
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