mirror of
https://github.com/minio/minio.git
synced 2024-12-24 22:25:54 -05:00
efc80343e3
ObjectAPI interface brings in changes needed for XL ObjectAPI layer.
The new interface for any ObjectAPI layer is as below
```
// ObjectAPI interface.
type ObjectAPI interface {
// Bucket resource API.
DeleteBucket(bucket string) *probe.Error
ListBuckets() ([]BucketInfo, *probe.Error)
MakeBucket(bucket string) *probe.Error
GetBucketInfo(bucket string) (BucketInfo, *probe.Error)
// Bucket query API.
ListObjects(bucket, prefix, marker, delimiter string, maxKeys int) (ListObjectsResult, *probe.Error)
ListMultipartUploads(bucket string, resources BucketMultipartResourcesMetadata) (BucketMultipartResourcesMetadata, *probe.Error)
// Object resource API.
GetObject(bucket, object string, startOffset int64) (io.ReadCloser, *probe.Error)
GetObjectInfo(bucket, object string) (ObjectInfo, *probe.Error)
PutObject(bucket string, object string, size int64, data io.Reader, metadata map[string]string) (ObjectInfo, *probe.Error)
DeleteObject(bucket, object string) *probe.Error
// Object query API.
NewMultipartUpload(bucket, object string) (string, *probe.Error)
PutObjectPart(bucket, object, uploadID string, partID int, size int64, data io.Reader, md5Hex string) (string, *probe.Error)
ListObjectParts(bucket, object string, resources ObjectResourcesMetadata) (ObjectResourcesMetadata, *probe.Error)
CompleteMultipartUpload(bucket string, object string, uploadID string, parts []CompletePart) (ObjectInfo, *probe.Error)
AbortMultipartUpload(bucket, object, uploadID string) *probe.Error
}
```
86 lines
2.5 KiB
Go
86 lines
2.5 KiB
Go
/*
|
|
* Minio 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 main
|
|
|
|
import (
|
|
"bytes"
|
|
"crypto/rand"
|
|
"encoding/xml"
|
|
"net/http"
|
|
"runtime"
|
|
"strconv"
|
|
)
|
|
|
|
//// helpers
|
|
|
|
// Static alphaNumeric table used for generating unique request ids
|
|
var alphaNumericTable = []byte("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ")
|
|
|
|
// generateRequestID - Generate request id
|
|
func generateRequestID() []byte {
|
|
alpha := make([]byte, 16)
|
|
rand.Read(alpha)
|
|
for i := 0; i < 16; i++ {
|
|
alpha[i] = alphaNumericTable[alpha[i]%byte(len(alphaNumericTable))]
|
|
}
|
|
return alpha
|
|
}
|
|
|
|
// Write http common headers
|
|
func setCommonHeaders(w http.ResponseWriter) {
|
|
// Set unique request ID for each reply.
|
|
w.Header().Set("X-Amz-Request-Id", string(generateRequestID()))
|
|
w.Header().Set("Server", ("Minio/" + minioReleaseTag + " (" + runtime.GOOS + "; " + runtime.GOARCH + ")"))
|
|
w.Header().Set("Accept-Ranges", "bytes")
|
|
}
|
|
|
|
// Encodes the response headers into XML format.
|
|
func encodeResponse(response interface{}) []byte {
|
|
var bytesBuffer bytes.Buffer
|
|
bytesBuffer.WriteString(xml.Header)
|
|
e := xml.NewEncoder(&bytesBuffer)
|
|
e.Encode(response)
|
|
return bytesBuffer.Bytes()
|
|
}
|
|
|
|
// Write object header
|
|
func setObjectHeaders(w http.ResponseWriter, objectInfo ObjectInfo, contentRange *httpRange) {
|
|
// set common headers
|
|
setCommonHeaders(w)
|
|
|
|
// set object-related metadata headers
|
|
lastModified := objectInfo.ModifiedTime.UTC().Format(http.TimeFormat)
|
|
w.Header().Set("Last-Modified", lastModified)
|
|
|
|
w.Header().Set("Content-Type", objectInfo.ContentType)
|
|
if objectInfo.MD5Sum != "" {
|
|
w.Header().Set("ETag", "\""+objectInfo.MD5Sum+"\"")
|
|
}
|
|
|
|
w.Header().Set("Content-Length", strconv.FormatInt(objectInfo.Size, 10))
|
|
|
|
// for providing ranged content
|
|
if contentRange != nil {
|
|
if contentRange.start > 0 || contentRange.length > 0 {
|
|
// override content-length
|
|
w.Header().Set("Content-Length", strconv.FormatInt(contentRange.length, 10))
|
|
w.Header().Set("Content-Range", contentRange.String())
|
|
w.WriteHeader(http.StatusPartialContent)
|
|
}
|
|
}
|
|
}
|