32 lines
457 B
Go
32 lines
457 B
Go
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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