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122 lines
3.5 KiB
122 lines
3.5 KiB
/*
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* Minimalist Object Storage, (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 api
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import (
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"net/http"
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"sort"
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"github.com/minio-io/minio/pkg/storage/drivers"
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)
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// Reply date format
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const (
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iso8601Format = "2006-01-02T15:04:05.000Z"
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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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func generateBucketsListResult(buckets []drivers.BucketMetadata) BucketListResponse {
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var listbuckets []*Bucket
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var data = BucketListResponse{}
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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(iso8601Format)
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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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// itemKey
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type itemKey []*Item
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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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// 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 generateObjectsListResult(bucket string, objects []drivers.ObjectMetadata, bucketResources drivers.BucketResourcesMetadata) ObjectListResponse {
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var contents []*Item
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var prefixes []*Prefix
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var owner = Owner{}
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var data = ObjectListResponse{}
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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 = &Item{}
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if object.Key == "" {
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continue
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}
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content.Key = object.Key
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content.LastModified = object.Created.Format(iso8601Format)
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content.ETag = object.Md5
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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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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.IsTruncated = bucketResources.IsTruncated
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for _, prefix := range bucketResources.CommonPrefixes {
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var prefixItem = &Prefix{}
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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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// WriteErrorResponse writes a formatted error to the user
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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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errorResponse := getErrorResponse(error, resource)
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// set headers
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setCommonHeaders(w, getContentTypeString(acceptsContentType))
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w.WriteHeader(error.HTTPStatusCode)
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// write body
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encodedErrorResponse := encodeErrorResponse(errorResponse, acceptsContentType)
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w.Write(encodedErrorResponse)
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}
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