/usr/share/gocode/src/github.com/minio/minio-go/api-get-object-file.go is in golang-github-minio-minio-go-dev 2.0.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | /*
* Minio Go Library for Amazon S3 Compatible Cloud Storage (C) 2015 Minio, Inc.
*
* 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 minio
import (
"io"
"os"
"path/filepath"
)
// FGetObject - download contents of an object to a local file.
func (c Client) FGetObject(bucketName, objectName, filePath string) error {
// Input validation.
if err := isValidBucketName(bucketName); err != nil {
return err
}
if err := isValidObjectName(objectName); err != nil {
return err
}
// Verify if destination already exists.
st, err := os.Stat(filePath)
if err == nil {
// If the destination exists and is a directory.
if st.IsDir() {
return ErrInvalidArgument("fileName is a directory.")
}
}
// Proceed if file does not exist. return for all other errors.
if err != nil {
if !os.IsNotExist(err) {
return err
}
}
// Extract top level directory.
objectDir, _ := filepath.Split(filePath)
if objectDir != "" {
// Create any missing top level directories.
if err := os.MkdirAll(objectDir, 0700); err != nil {
return err
}
}
// Gather md5sum.
objectStat, err := c.StatObject(bucketName, objectName)
if err != nil {
return err
}
// Write to a temporary file "fileName.part.minio" before saving.
filePartPath := filePath + objectStat.ETag + ".part.minio"
// If exists, open in append mode. If not create it as a part file.
filePart, err := os.OpenFile(filePartPath, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0600)
if err != nil {
return err
}
// Issue Stat to get the current offset.
st, err = filePart.Stat()
if err != nil {
return err
}
// Seek to current position for incoming reader.
objectReader, objectStat, err := c.getObject(bucketName, objectName, st.Size(), 0)
if err != nil {
return err
}
// Write to the part file.
if _, err = io.CopyN(filePart, objectReader, objectStat.Size); err != nil {
return err
}
// Close the file before rename, this is specifically needed for Windows users.
if err = filePart.Close(); err != nil {
return err
}
// Safely completed. Now commit by renaming to actual filename.
if err = os.Rename(filePartPath, filePath); err != nil {
return err
}
// Return.
return nil
}
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