2015-02-24 01:46:48 +01:00
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/*
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2015-03-19 22:35:50 +01:00
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* Minimalist Object Storage, (C) 2015 Minio, Inc.
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2015-02-24 01:46:48 +01:00
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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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2015-03-19 01:49:33 +01:00
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package api
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2015-02-16 02:03:27 +01:00
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import (
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2015-04-23 01:28:13 +02:00
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"net/http"
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2015-02-28 02:50:55 +01:00
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"sort"
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2015-07-03 09:29:54 +02:00
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"github.com/minio/minio/pkg/donut"
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2015-02-16 02:03:27 +01:00
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)
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2015-02-24 01:46:48 +01:00
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// Reply date format
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const (
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rfcFormat = "2006-01-02T15:04:05.000Z"
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2015-02-24 01:46:48 +01:00
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)
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// takes an array of Bucketmetadata information for serialization
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// input:
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// array of bucket metadata
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//
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// output:
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// populated struct that can be serialized to match xml and json api spec output
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2015-07-01 01:30:02 +02:00
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func generateListBucketsResponse(buckets []donut.BucketMetadata) ListBucketsResponse {
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var listbuckets []*Bucket
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var data = ListBucketsResponse{}
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var owner = Owner{}
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owner.ID = "minio"
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owner.DisplayName = "minio"
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for _, bucket := range buckets {
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var listbucket = &Bucket{}
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listbucket.Name = bucket.Name
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listbucket.CreationDate = bucket.Created.Format(rfcFormat)
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listbuckets = append(listbuckets, listbucket)
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}
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data.Owner = owner
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data.Buckets.Bucket = listbuckets
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return data
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}
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2015-04-02 04:58:46 +02:00
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// itemKey
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type itemKey []*Object
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func (b itemKey) Len() int { return len(b) }
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func (b itemKey) Swap(i, j int) { b[i], b[j] = b[j], b[i] }
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func (b itemKey) Less(i, j int) bool { return b[i].Key < b[j].Key }
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2015-02-16 02:03:27 +01:00
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// takes a set of objects and prepares the objects for serialization
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// input:
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// bucket name
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// array of object metadata
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// results truncated flag
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//
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// output:
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// populated struct that can be serialized to match xml and json api spec output
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func generateListObjectsResponse(bucket string, objects []donut.ObjectMetadata, bucketResources donut.BucketResourcesMetadata) ListObjectsResponse {
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var contents []*Object
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var prefixes []*CommonPrefix
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var owner = Owner{}
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var data = ListObjectsResponse{}
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owner.ID = "minio"
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owner.DisplayName = "minio"
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for _, object := range objects {
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var content = &Object{}
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if object.Object == "" {
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continue
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}
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content.Key = object.Object
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content.LastModified = object.Created.Format(iso8601Format)
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content.ETag = "\"" + object.MD5Sum + "\""
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content.Size = object.Size
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content.StorageClass = "STANDARD"
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content.Owner = owner
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contents = append(contents, content)
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}
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sort.Sort(itemKey(contents))
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// TODO - support EncodingType in xml decoding
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data.Name = bucket
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data.Contents = contents
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data.MaxKeys = bucketResources.Maxkeys
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data.Prefix = bucketResources.Prefix
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data.Delimiter = bucketResources.Delimiter
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data.Marker = bucketResources.Marker
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data.NextMarker = bucketResources.NextMarker
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data.IsTruncated = bucketResources.IsTruncated
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for _, prefix := range bucketResources.CommonPrefixes {
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var prefixItem = &CommonPrefix{}
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prefixItem.Prefix = prefix
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prefixes = append(prefixes, prefixItem)
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}
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data.CommonPrefixes = prefixes
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return data
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}
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2015-04-23 01:28:13 +02:00
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2015-05-09 20:41:26 +02:00
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// generateInitiateMultipartUploadResult
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2015-05-08 04:55:30 +02:00
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func generateInitiateMultipartUploadResult(bucket, key, uploadID string) InitiateMultipartUploadResult {
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return InitiateMultipartUploadResult{
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Bucket: bucket,
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Key: key,
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UploadID: uploadID,
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}
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}
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2015-05-09 20:41:26 +02:00
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// generateCompleteMultipartUploadResult
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2015-05-08 07:43:19 +02:00
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func generateCompleteMultpartUploadResult(bucket, key, location, etag string) CompleteMultipartUploadResult {
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return CompleteMultipartUploadResult{
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Location: location,
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Bucket: bucket,
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Key: key,
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ETag: etag,
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}
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}
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2015-05-09 20:41:26 +02:00
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// generateListPartsResult
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func generateListPartsResult(objectMetadata donut.ObjectResourcesMetadata) ListPartsResponse {
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// TODO - support EncodingType in xml decoding
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listPartsResponse := ListPartsResponse{}
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listPartsResponse.Bucket = objectMetadata.Bucket
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listPartsResponse.Key = objectMetadata.Key
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listPartsResponse.UploadID = objectMetadata.UploadID
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listPartsResponse.StorageClass = "STANDARD"
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listPartsResponse.Initiator.ID = "minio"
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listPartsResponse.Initiator.DisplayName = "minio"
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listPartsResponse.Owner.ID = "minio"
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listPartsResponse.Owner.DisplayName = "minio"
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listPartsResponse.MaxParts = objectMetadata.MaxParts
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listPartsResponse.PartNumberMarker = objectMetadata.PartNumberMarker
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listPartsResponse.IsTruncated = objectMetadata.IsTruncated
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listPartsResponse.NextPartNumberMarker = objectMetadata.NextPartNumberMarker
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listPartsResponse.Part = make([]*Part, len(objectMetadata.Part))
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for _, part := range objectMetadata.Part {
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newPart := &Part{}
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newPart.PartNumber = part.PartNumber
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newPart.ETag = "\"" + part.ETag + "\""
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newPart.Size = part.Size
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newPart.LastModified = part.LastModified.Format(rfcFormat)
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listPartsResponse.Part = append(listPartsResponse.Part, newPart)
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}
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return listPartsResponse
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}
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2015-05-14 23:36:41 +02:00
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// generateListMultipartUploadsResult
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func generateListMultipartUploadsResult(bucket string, metadata donut.BucketMultipartResourcesMetadata) ListMultipartUploadsResponse {
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listMultipartUploadsResponse := ListMultipartUploadsResponse{}
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listMultipartUploadsResponse.Bucket = bucket
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listMultipartUploadsResponse.Delimiter = metadata.Delimiter
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listMultipartUploadsResponse.IsTruncated = metadata.IsTruncated
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listMultipartUploadsResponse.EncodingType = metadata.EncodingType
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listMultipartUploadsResponse.Prefix = metadata.Prefix
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listMultipartUploadsResponse.KeyMarker = metadata.KeyMarker
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listMultipartUploadsResponse.NextKeyMarker = metadata.NextKeyMarker
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listMultipartUploadsResponse.MaxUploads = metadata.MaxUploads
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listMultipartUploadsResponse.NextUploadIDMarker = metadata.NextUploadIDMarker
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listMultipartUploadsResponse.UploadIDMarker = metadata.UploadIDMarker
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listMultipartUploadsResponse.Upload = make([]*Upload, len(metadata.Upload))
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for _, upload := range metadata.Upload {
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newUpload := &Upload{}
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newUpload.UploadID = upload.UploadID
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newUpload.Key = upload.Key
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newUpload.Initiated = upload.Initiated.Format(rfcFormat)
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listMultipartUploadsResponse.Upload = append(listMultipartUploadsResponse.Upload, newUpload)
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}
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return listMultipartUploadsResponse
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}
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2015-05-09 20:41:26 +02:00
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// writeSuccessResponse write success headers
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func writeSuccessResponse(w http.ResponseWriter, acceptsContentType contentType) {
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setCommonHeaders(w, getContentTypeString(acceptsContentType), 0)
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2015-04-29 19:51:59 +02:00
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w.WriteHeader(http.StatusOK)
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}
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2015-05-09 20:41:26 +02:00
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// writeErrorRespone write error headers
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2015-04-27 02:02:49 +02:00
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func writeErrorResponse(w http.ResponseWriter, req *http.Request, errorType int, acceptsContentType contentType, resource string) {
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error := getErrorCode(errorType)
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// generate error response
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errorResponse := getErrorResponse(error, resource)
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2015-04-30 00:28:04 +02:00
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encodedErrorResponse := encodeErrorResponse(errorResponse, acceptsContentType)
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// set common headers
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2015-05-16 05:44:42 +02:00
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setCommonHeaders(w, getContentTypeString(acceptsContentType), len(encodedErrorResponse))
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// write Header
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w.WriteHeader(error.HTTPStatusCode)
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// write error body
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w.Write(encodedErrorResponse)
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}
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