mirror of
https://github.com/minio/mc.git
synced 2025-11-12 01:02:26 +03:00
90 lines
2.2 KiB
Go
90 lines
2.2 KiB
Go
/*
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* Minio Client (C) 2015 Minio, Inc.
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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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*
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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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*/
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package fs
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import (
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"bytes"
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"crypto/md5"
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"encoding/hex"
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"errors"
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"io"
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"os"
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"path/filepath"
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"github.com/minio-io/mc/pkg/client"
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"github.com/minio-io/minio/pkg/iodine"
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)
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// Put - upload new object to bucket
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func (f *fsClient) Put(md5HexString string, size int64) (io.WriteCloser, error) {
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r, w := io.Pipe()
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blockingWriter := client.NewBlockingWriteCloser(w)
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go func() {
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// handle md5HexString match internally
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if size < 0 {
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err := iodine.New(client.InvalidArgument{Err: errors.New("invalid argument")}, nil)
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r.CloseWithError(err)
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blockingWriter.Release(err)
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return
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}
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objectDir, _ := filepath.Split(f.path)
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objectPath := f.path
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if objectDir != "" {
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if err := os.MkdirAll(objectDir, 0700); err != nil {
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err := iodine.New(err, nil)
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r.CloseWithError(err)
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blockingWriter.Release(err)
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return
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}
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}
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fs, err := os.Create(objectPath)
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if err != nil {
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err := iodine.New(err, nil)
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r.CloseWithError(err)
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blockingWriter.Release(err)
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return
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}
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// calculate md5 to verify - incoming md5
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h := md5.New()
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mw := io.MultiWriter(fs, h)
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_, err = io.CopyN(mw, r, size)
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if err != nil {
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err := iodine.New(err, nil)
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r.CloseWithError(err)
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blockingWriter.Release(err)
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return
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}
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expectedMD5, err := hex.DecodeString(md5HexString)
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if err != nil {
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err := iodine.New(err, nil)
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r.CloseWithError(err)
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blockingWriter.Release(err)
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return
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}
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if !bytes.Equal(expectedMD5, h.Sum(nil)) {
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err := iodine.New(errors.New("md5sum mismatch"), nil)
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r.CloseWithError(err)
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blockingWriter.Release(err)
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return
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}
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blockingWriter.Release(nil)
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r.Close()
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}()
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return blockingWriter, nil
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}
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