mirror of https://github.com/minio/minio.git
136 lines
4.0 KiB
Go
136 lines
4.0 KiB
Go
/*
|
|
* Minimalist Object 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 api
|
|
|
|
import (
|
|
"net/http"
|
|
"sort"
|
|
"strconv"
|
|
|
|
"github.com/minio-io/minio/pkg/storage/drivers"
|
|
)
|
|
|
|
// Reply date format
|
|
const (
|
|
iso8601Format = "2006-01-02T15:04:05.000Z"
|
|
)
|
|
|
|
// takes an array of Bucketmetadata information for serialization
|
|
// input:
|
|
// array of bucket metadata
|
|
//
|
|
// output:
|
|
// populated struct that can be serialized to match xml and json api spec output
|
|
func generateListBucketsResponse(buckets []drivers.BucketMetadata) ListBucketsResponse {
|
|
var listbuckets []*Bucket
|
|
var data = ListBucketsResponse{}
|
|
var owner = Owner{}
|
|
|
|
owner.ID = "minio"
|
|
owner.DisplayName = "minio"
|
|
|
|
for _, bucket := range buckets {
|
|
var listbucket = &Bucket{}
|
|
listbucket.Name = bucket.Name
|
|
listbucket.CreationDate = bucket.Created.Format(iso8601Format)
|
|
listbuckets = append(listbuckets, listbucket)
|
|
}
|
|
|
|
data.Owner = owner
|
|
data.Buckets.Bucket = listbuckets
|
|
|
|
return data
|
|
}
|
|
|
|
// itemKey
|
|
type itemKey []*Object
|
|
|
|
func (b itemKey) Len() int { return len(b) }
|
|
func (b itemKey) Swap(i, j int) { b[i], b[j] = b[j], b[i] }
|
|
func (b itemKey) Less(i, j int) bool { return b[i].Key < b[j].Key }
|
|
|
|
// takes a set of objects and prepares the objects for serialization
|
|
// input:
|
|
// bucket name
|
|
// array of object metadata
|
|
// results truncated flag
|
|
//
|
|
// output:
|
|
// populated struct that can be serialized to match xml and json api spec output
|
|
func generateListObjectsResponse(bucket string, objects []drivers.ObjectMetadata, bucketResources drivers.BucketResourcesMetadata) ListObjectsResponse {
|
|
var contents []*Object
|
|
var prefixes []*CommonPrefix
|
|
var owner = Owner{}
|
|
var data = ListObjectsResponse{}
|
|
|
|
owner.ID = "minio"
|
|
owner.DisplayName = "minio"
|
|
|
|
for _, object := range objects {
|
|
var content = &Object{}
|
|
if object.Key == "" {
|
|
continue
|
|
}
|
|
content.Key = object.Key
|
|
content.LastModified = object.Created.Format(iso8601Format)
|
|
content.ETag = object.Md5
|
|
content.Size = object.Size
|
|
content.StorageClass = "STANDARD"
|
|
content.Owner = owner
|
|
contents = append(contents, content)
|
|
}
|
|
sort.Sort(itemKey(contents))
|
|
// TODO - support EncodingType in xml decoding
|
|
data.Name = bucket
|
|
data.Contents = contents
|
|
data.MaxKeys = bucketResources.Maxkeys
|
|
data.Prefix = bucketResources.Prefix
|
|
data.Delimiter = bucketResources.Delimiter
|
|
data.Marker = bucketResources.Marker
|
|
data.NextMarker = bucketResources.NextMarker
|
|
data.IsTruncated = bucketResources.IsTruncated
|
|
for _, prefix := range bucketResources.CommonPrefixes {
|
|
var prefixItem = &CommonPrefix{}
|
|
prefixItem.Prefix = prefix
|
|
prefixes = append(prefixes, prefixItem)
|
|
}
|
|
data.CommonPrefixes = prefixes
|
|
return data
|
|
}
|
|
|
|
// writeSuccessResponse - write success headers
|
|
func writeSuccessResponse(w http.ResponseWriter, acceptsContentType contentType) {
|
|
setCommonHeaders(w, getContentTypeString(acceptsContentType))
|
|
w.WriteHeader(http.StatusOK)
|
|
}
|
|
|
|
// writeErrorRespone - write error headers
|
|
func writeErrorResponse(w http.ResponseWriter, req *http.Request, errorType int, acceptsContentType contentType, resource string) {
|
|
error := getErrorCode(errorType)
|
|
// generate error response
|
|
errorResponse := getErrorResponse(error, resource)
|
|
encodedErrorResponse := encodeErrorResponse(errorResponse, acceptsContentType)
|
|
// set common headers
|
|
setCommonHeaders(w, getContentTypeString(acceptsContentType))
|
|
// set content-length to size of error response
|
|
w.Header().Set("Content-Length", strconv.Itoa(len(encodedErrorResponse)))
|
|
// set headers
|
|
w.WriteHeader(error.HTTPStatusCode)
|
|
// write body
|
|
w.Write(encodedErrorResponse)
|
|
}
|