mirror of https://github.com/minio/minio.git
243 lines
8.5 KiB
Go
243 lines
8.5 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 (
|
|
"net/http"
|
|
|
|
"github.com/minio/minio/pkg/fs"
|
|
)
|
|
|
|
// Reply date format
|
|
const (
|
|
rfcFormat = "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 []fs.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(rfcFormat)
|
|
listbuckets = append(listbuckets, listbucket)
|
|
}
|
|
|
|
data.Owner = owner
|
|
data.Buckets.Bucket = listbuckets
|
|
|
|
return data
|
|
}
|
|
|
|
// generates an AccessControlPolicy response for the said ACL.
|
|
func generateAccessControlPolicyResponse(acl fs.BucketACL) AccessControlPolicyResponse {
|
|
accessCtrlPolicyResponse := AccessControlPolicyResponse{}
|
|
accessCtrlPolicyResponse.Owner = Owner{
|
|
ID: "minio",
|
|
DisplayName: "minio",
|
|
}
|
|
defaultGrant := Grant{}
|
|
defaultGrant.Grantee.ID = "minio"
|
|
defaultGrant.Grantee.DisplayName = "minio"
|
|
defaultGrant.Permission = "FULL_CONTROL"
|
|
accessCtrlPolicyResponse.AccessControlList.Grant = append(accessCtrlPolicyResponse.AccessControlList.Grant, defaultGrant)
|
|
switch {
|
|
case acl.IsPublicRead():
|
|
publicReadGrant := Grant{}
|
|
publicReadGrant.Grantee.ID = "minio"
|
|
publicReadGrant.Grantee.DisplayName = "minio"
|
|
publicReadGrant.Grantee.URI = "http://acs.amazonaws.com/groups/global/AllUsers"
|
|
publicReadGrant.Permission = "READ"
|
|
accessCtrlPolicyResponse.AccessControlList.Grant = append(accessCtrlPolicyResponse.AccessControlList.Grant, publicReadGrant)
|
|
case acl.IsPublicReadWrite():
|
|
publicReadGrant := Grant{}
|
|
publicReadGrant.Grantee.ID = "minio"
|
|
publicReadGrant.Grantee.DisplayName = "minio"
|
|
publicReadGrant.Grantee.URI = "http://acs.amazonaws.com/groups/global/AllUsers"
|
|
publicReadGrant.Permission = "READ"
|
|
publicReadWriteGrant := Grant{}
|
|
publicReadWriteGrant.Grantee.ID = "minio"
|
|
publicReadWriteGrant.Grantee.DisplayName = "minio"
|
|
publicReadWriteGrant.Grantee.URI = "http://acs.amazonaws.com/groups/global/AllUsers"
|
|
publicReadWriteGrant.Permission = "WRITE"
|
|
accessCtrlPolicyResponse.AccessControlList.Grant = append(accessCtrlPolicyResponse.AccessControlList.Grant, publicReadGrant)
|
|
accessCtrlPolicyResponse.AccessControlList.Grant = append(accessCtrlPolicyResponse.AccessControlList.Grant, publicReadWriteGrant)
|
|
}
|
|
return accessCtrlPolicyResponse
|
|
}
|
|
|
|
// generates an ListObjects response for the said bucket with other enumerated options.
|
|
func generateListObjectsResponse(bucket string, objects []fs.ObjectMetadata, bucketResources fs.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.Object == "" {
|
|
continue
|
|
}
|
|
content.Key = object.Object
|
|
content.LastModified = object.Created.Format(rfcFormat)
|
|
content.ETag = "\"" + object.Md5 + "\""
|
|
content.Size = object.Size
|
|
content.StorageClass = "STANDARD"
|
|
content.Owner = owner
|
|
contents = append(contents, content)
|
|
}
|
|
// 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
|
|
}
|
|
|
|
// generateInitiateMultipartUploadResponse
|
|
func generateInitiateMultipartUploadResponse(bucket, key, uploadID string) InitiateMultipartUploadResponse {
|
|
return InitiateMultipartUploadResponse{
|
|
Bucket: bucket,
|
|
Key: key,
|
|
UploadID: uploadID,
|
|
}
|
|
}
|
|
|
|
// generateCompleteMultipartUploadResponse
|
|
func generateCompleteMultpartUploadResponse(bucket, key, location, etag string) CompleteMultipartUploadResponse {
|
|
return CompleteMultipartUploadResponse{
|
|
Location: location,
|
|
Bucket: bucket,
|
|
Key: key,
|
|
ETag: etag,
|
|
}
|
|
}
|
|
|
|
// generateListPartsResult
|
|
func generateListPartsResponse(objectMetadata fs.ObjectResourcesMetadata) ListPartsResponse {
|
|
// TODO - support EncodingType in xml decoding
|
|
listPartsResponse := ListPartsResponse{}
|
|
listPartsResponse.Bucket = objectMetadata.Bucket
|
|
listPartsResponse.Key = objectMetadata.Object
|
|
listPartsResponse.UploadID = objectMetadata.UploadID
|
|
listPartsResponse.StorageClass = "STANDARD"
|
|
listPartsResponse.Initiator.ID = "minio"
|
|
listPartsResponse.Initiator.DisplayName = "minio"
|
|
listPartsResponse.Owner.ID = "minio"
|
|
listPartsResponse.Owner.DisplayName = "minio"
|
|
|
|
listPartsResponse.MaxParts = objectMetadata.MaxParts
|
|
listPartsResponse.PartNumberMarker = objectMetadata.PartNumberMarker
|
|
listPartsResponse.IsTruncated = objectMetadata.IsTruncated
|
|
listPartsResponse.NextPartNumberMarker = objectMetadata.NextPartNumberMarker
|
|
|
|
listPartsResponse.Part = make([]*Part, len(objectMetadata.Part))
|
|
for _, part := range objectMetadata.Part {
|
|
newPart := &Part{}
|
|
newPart.PartNumber = part.PartNumber
|
|
newPart.ETag = "\"" + part.ETag + "\""
|
|
newPart.Size = part.Size
|
|
newPart.LastModified = part.LastModified.Format(rfcFormat)
|
|
listPartsResponse.Part = append(listPartsResponse.Part, newPart)
|
|
}
|
|
return listPartsResponse
|
|
}
|
|
|
|
// generateListMultipartUploadsResponse
|
|
func generateListMultipartUploadsResponse(bucket string, metadata fs.BucketMultipartResourcesMetadata) ListMultipartUploadsResponse {
|
|
listMultipartUploadsResponse := ListMultipartUploadsResponse{}
|
|
listMultipartUploadsResponse.Bucket = bucket
|
|
listMultipartUploadsResponse.Delimiter = metadata.Delimiter
|
|
listMultipartUploadsResponse.IsTruncated = metadata.IsTruncated
|
|
listMultipartUploadsResponse.EncodingType = metadata.EncodingType
|
|
listMultipartUploadsResponse.Prefix = metadata.Prefix
|
|
listMultipartUploadsResponse.KeyMarker = metadata.KeyMarker
|
|
listMultipartUploadsResponse.NextKeyMarker = metadata.NextKeyMarker
|
|
listMultipartUploadsResponse.MaxUploads = metadata.MaxUploads
|
|
listMultipartUploadsResponse.NextUploadIDMarker = metadata.NextUploadIDMarker
|
|
listMultipartUploadsResponse.UploadIDMarker = metadata.UploadIDMarker
|
|
|
|
listMultipartUploadsResponse.Upload = make([]*Upload, len(metadata.Upload))
|
|
for _, upload := range metadata.Upload {
|
|
newUpload := &Upload{}
|
|
newUpload.UploadID = upload.UploadID
|
|
newUpload.Key = upload.Object
|
|
newUpload.Initiated = upload.Initiated.Format(rfcFormat)
|
|
listMultipartUploadsResponse.Upload = append(listMultipartUploadsResponse.Upload, newUpload)
|
|
}
|
|
return listMultipartUploadsResponse
|
|
}
|
|
|
|
// writeSuccessResponse write success headers and response if any.
|
|
func writeSuccessResponse(w http.ResponseWriter, response []byte) {
|
|
setCommonHeaders(w)
|
|
if response == nil {
|
|
w.WriteHeader(http.StatusOK)
|
|
return
|
|
}
|
|
w.Write(response)
|
|
w.(http.Flusher).Flush()
|
|
}
|
|
|
|
// writeSuccessNoContent write success headers with http status 204
|
|
func writeSuccessNoContent(w http.ResponseWriter) {
|
|
setCommonHeaders(w)
|
|
w.WriteHeader(http.StatusNoContent)
|
|
}
|
|
|
|
// writeErrorRespone write error headers
|
|
func writeErrorResponse(w http.ResponseWriter, req *http.Request, errorType int, resource string) {
|
|
error := getErrorCode(errorType)
|
|
// generate error response
|
|
errorResponse := getErrorResponse(error, resource)
|
|
encodedErrorResponse := encodeErrorResponse(errorResponse)
|
|
// set common headers
|
|
setCommonHeaders(w)
|
|
// write Header
|
|
w.WriteHeader(error.HTTPStatusCode)
|
|
// HEAD should have no body, do not attempt to write to it
|
|
if req.Method != "HEAD" {
|
|
// write error body
|
|
w.Write(encodedErrorResponse)
|
|
w.(http.Flusher).Flush()
|
|
}
|
|
}
|