842 lines
28 KiB
Go
842 lines
28 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
|
|
//
|
|
// This file is part of MinIO Object Storage stack
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package cmd
|
|
|
|
import (
|
|
"context"
|
|
"encoding/base64"
|
|
"encoding/xml"
|
|
"fmt"
|
|
"net/http"
|
|
"net/url"
|
|
"path"
|
|
"strconv"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/minio/minio/internal/crypto"
|
|
"github.com/minio/minio/internal/handlers"
|
|
xhttp "github.com/minio/minio/internal/http"
|
|
"github.com/minio/minio/internal/logger"
|
|
)
|
|
|
|
const (
|
|
// RFC3339 a subset of the ISO8601 timestamp format. e.g 2014-04-29T18:30:38Z
|
|
iso8601TimeFormat = "2006-01-02T15:04:05.000Z" // Reply date format with nanosecond precision.
|
|
maxObjectList = 1000 // Limit number of objects in a listObjectsResponse/listObjectsVersionsResponse.
|
|
maxDeleteList = 10000 // Limit number of objects deleted in a delete call.
|
|
maxUploadsList = 10000 // Limit number of uploads in a listUploadsResponse.
|
|
maxPartsList = 10000 // Limit number of parts in a listPartsResponse.
|
|
)
|
|
|
|
// LocationResponse - format for location response.
|
|
type LocationResponse struct {
|
|
XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ LocationConstraint" json:"-"`
|
|
Location string `xml:",chardata"`
|
|
}
|
|
|
|
// PolicyStatus captures information returned by GetBucketPolicyStatusHandler
|
|
type PolicyStatus struct {
|
|
XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ PolicyStatus" json:"-"`
|
|
IsPublic string
|
|
}
|
|
|
|
// ListVersionsResponse - format for list bucket versions response.
|
|
type ListVersionsResponse struct {
|
|
XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListVersionsResult" json:"-"`
|
|
|
|
Name string
|
|
Prefix string
|
|
KeyMarker string
|
|
|
|
// When response is truncated (the IsTruncated element value in the response
|
|
// is true), you can use the key name in this field as marker in the subsequent
|
|
// request to get next set of objects. Server lists objects in alphabetical
|
|
// order Note: This element is returned only if you have delimiter request parameter
|
|
// specified. If response does not include the NextMaker and it is truncated,
|
|
// you can use the value of the last Key in the response as the marker in the
|
|
// subsequent request to get the next set of object keys.
|
|
NextKeyMarker string `xml:"NextKeyMarker,omitempty"`
|
|
|
|
// When the number of responses exceeds the value of MaxKeys,
|
|
// NextVersionIdMarker specifies the first object version not
|
|
// returned that satisfies the search criteria. Use this value
|
|
// for the version-id-marker request parameter in a subsequent request.
|
|
NextVersionIDMarker string `xml:"NextVersionIdMarker"`
|
|
|
|
// Marks the last version of the Key returned in a truncated response.
|
|
VersionIDMarker string `xml:"VersionIdMarker"`
|
|
|
|
MaxKeys int
|
|
Delimiter string
|
|
// A flag that indicates whether or not ListObjects returned all of the results
|
|
// that satisfied the search criteria.
|
|
IsTruncated bool
|
|
|
|
CommonPrefixes []CommonPrefix
|
|
Versions []ObjectVersion
|
|
|
|
// Encoding type used to encode object keys in the response.
|
|
EncodingType string `xml:"EncodingType,omitempty"`
|
|
}
|
|
|
|
// ListObjectsResponse - format for list objects response.
|
|
type ListObjectsResponse struct {
|
|
XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListBucketResult" json:"-"`
|
|
|
|
Name string
|
|
Prefix string
|
|
Marker string
|
|
|
|
// When response is truncated (the IsTruncated element value in the response
|
|
// is true), you can use the key name in this field as marker in the subsequent
|
|
// request to get next set of objects. Server lists objects in alphabetical
|
|
// order Note: This element is returned only if you have delimiter request parameter
|
|
// specified. If response does not include the NextMaker and it is truncated,
|
|
// you can use the value of the last Key in the response as the marker in the
|
|
// subsequent request to get the next set of object keys.
|
|
NextMarker string `xml:"NextMarker,omitempty"`
|
|
|
|
MaxKeys int
|
|
Delimiter string
|
|
// A flag that indicates whether or not ListObjects returned all of the results
|
|
// that satisfied the search criteria.
|
|
IsTruncated bool
|
|
|
|
Contents []Object
|
|
CommonPrefixes []CommonPrefix
|
|
|
|
// Encoding type used to encode object keys in the response.
|
|
EncodingType string `xml:"EncodingType,omitempty"`
|
|
}
|
|
|
|
// ListObjectsV2Response - format for list objects response.
|
|
type ListObjectsV2Response struct {
|
|
XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListBucketResult" json:"-"`
|
|
|
|
Name string
|
|
Prefix string
|
|
StartAfter string `xml:"StartAfter,omitempty"`
|
|
// When response is truncated (the IsTruncated element value in the response
|
|
// is true), you can use the key name in this field as marker in the subsequent
|
|
// request to get next set of objects. Server lists objects in alphabetical
|
|
// order Note: This element is returned only if you have delimiter request parameter
|
|
// specified. If response does not include the NextMaker and it is truncated,
|
|
// you can use the value of the last Key in the response as the marker in the
|
|
// subsequent request to get the next set of object keys.
|
|
ContinuationToken string `xml:"ContinuationToken,omitempty"`
|
|
NextContinuationToken string `xml:"NextContinuationToken,omitempty"`
|
|
|
|
KeyCount int
|
|
MaxKeys int
|
|
Delimiter string
|
|
// A flag that indicates whether or not ListObjects returned all of the results
|
|
// that satisfied the search criteria.
|
|
IsTruncated bool
|
|
|
|
Contents []Object
|
|
CommonPrefixes []CommonPrefix
|
|
|
|
// Encoding type used to encode object keys in the response.
|
|
EncodingType string `xml:"EncodingType,omitempty"`
|
|
}
|
|
|
|
// Part container for part metadata.
|
|
type Part struct {
|
|
PartNumber int
|
|
LastModified string
|
|
ETag string
|
|
Size int64
|
|
}
|
|
|
|
// ListPartsResponse - format for list parts response.
|
|
type ListPartsResponse struct {
|
|
XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListPartsResult" json:"-"`
|
|
|
|
Bucket string
|
|
Key string
|
|
UploadID string `xml:"UploadId"`
|
|
|
|
Initiator Initiator
|
|
Owner Owner
|
|
|
|
// The class of storage used to store the object.
|
|
StorageClass string
|
|
|
|
PartNumberMarker int
|
|
NextPartNumberMarker int
|
|
MaxParts int
|
|
IsTruncated bool
|
|
|
|
// List of parts.
|
|
Parts []Part `xml:"Part"`
|
|
}
|
|
|
|
// ListMultipartUploadsResponse - format for list multipart uploads response.
|
|
type ListMultipartUploadsResponse struct {
|
|
XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListMultipartUploadsResult" json:"-"`
|
|
|
|
Bucket string
|
|
KeyMarker string
|
|
UploadIDMarker string `xml:"UploadIdMarker"`
|
|
NextKeyMarker string
|
|
NextUploadIDMarker string `xml:"NextUploadIdMarker"`
|
|
Delimiter string
|
|
Prefix string
|
|
EncodingType string `xml:"EncodingType,omitempty"`
|
|
MaxUploads int
|
|
IsTruncated bool
|
|
|
|
// List of pending uploads.
|
|
Uploads []Upload `xml:"Upload"`
|
|
|
|
// Delimed common prefixes.
|
|
CommonPrefixes []CommonPrefix
|
|
}
|
|
|
|
// ListBucketsResponse - format for list buckets response
|
|
type ListBucketsResponse struct {
|
|
XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListAllMyBucketsResult" json:"-"`
|
|
|
|
Owner Owner
|
|
|
|
// Container for one or more buckets.
|
|
Buckets struct {
|
|
Buckets []Bucket `xml:"Bucket"`
|
|
} // Buckets are nested
|
|
}
|
|
|
|
// Upload container for in progress multipart upload
|
|
type Upload struct {
|
|
Key string
|
|
UploadID string `xml:"UploadId"`
|
|
Initiator Initiator
|
|
Owner Owner
|
|
StorageClass string
|
|
Initiated string
|
|
}
|
|
|
|
// CommonPrefix container for prefix response in ListObjectsResponse
|
|
type CommonPrefix struct {
|
|
Prefix string
|
|
}
|
|
|
|
// Bucket container for bucket metadata
|
|
type Bucket struct {
|
|
Name string
|
|
CreationDate string // time string of format "2006-01-02T15:04:05.000Z"
|
|
}
|
|
|
|
// ObjectVersion container for object version metadata
|
|
type ObjectVersion struct {
|
|
Object
|
|
IsLatest bool
|
|
VersionID string `xml:"VersionId"`
|
|
|
|
isDeleteMarker bool
|
|
}
|
|
|
|
// MarshalXML - marshal ObjectVersion
|
|
func (o ObjectVersion) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
|
|
if o.isDeleteMarker {
|
|
start.Name.Local = "DeleteMarker"
|
|
} else {
|
|
start.Name.Local = "Version"
|
|
}
|
|
|
|
type objectVersionWrapper ObjectVersion
|
|
return e.EncodeElement(objectVersionWrapper(o), start)
|
|
}
|
|
|
|
// StringMap is a map[string]string.
|
|
type StringMap map[string]string
|
|
|
|
// MarshalXML - StringMap marshals into XML.
|
|
func (s StringMap) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
|
|
|
|
tokens := []xml.Token{start}
|
|
|
|
for key, value := range s {
|
|
t := xml.StartElement{}
|
|
t.Name = xml.Name{
|
|
Space: "",
|
|
Local: key,
|
|
}
|
|
tokens = append(tokens, t, xml.CharData(value), xml.EndElement{Name: t.Name})
|
|
}
|
|
|
|
tokens = append(tokens, xml.EndElement{
|
|
Name: start.Name,
|
|
})
|
|
|
|
for _, t := range tokens {
|
|
if err := e.EncodeToken(t); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
// flush to ensure tokens are written
|
|
return e.Flush()
|
|
}
|
|
|
|
// Object container for object metadata
|
|
type Object struct {
|
|
Key string
|
|
LastModified string // time string of format "2006-01-02T15:04:05.000Z"
|
|
ETag string
|
|
Size int64
|
|
|
|
// Owner of the object.
|
|
Owner Owner
|
|
|
|
// The class of storage used to store the object.
|
|
StorageClass string
|
|
|
|
// UserMetadata user-defined metadata
|
|
UserMetadata StringMap `xml:"UserMetadata,omitempty"`
|
|
}
|
|
|
|
// CopyObjectResponse container returns ETag and LastModified of the successfully copied object
|
|
type CopyObjectResponse struct {
|
|
XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ CopyObjectResult" json:"-"`
|
|
LastModified string // time string of format "2006-01-02T15:04:05.000Z"
|
|
ETag string // md5sum of the copied object.
|
|
}
|
|
|
|
// CopyObjectPartResponse container returns ETag and LastModified of the successfully copied object
|
|
type CopyObjectPartResponse struct {
|
|
XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ CopyPartResult" json:"-"`
|
|
LastModified string // time string of format "2006-01-02T15:04:05.000Z"
|
|
ETag string // md5sum of the copied object part.
|
|
}
|
|
|
|
// Initiator inherit from Owner struct, fields are same
|
|
type Initiator Owner
|
|
|
|
// Owner - bucket owner/principal
|
|
type Owner struct {
|
|
ID string
|
|
DisplayName string
|
|
}
|
|
|
|
// InitiateMultipartUploadResponse container for InitiateMultiPartUpload response, provides uploadID to start MultiPart upload
|
|
type InitiateMultipartUploadResponse struct {
|
|
XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ InitiateMultipartUploadResult" json:"-"`
|
|
|
|
Bucket string
|
|
Key string
|
|
UploadID string `xml:"UploadId"`
|
|
}
|
|
|
|
// CompleteMultipartUploadResponse container for completed multipart upload response
|
|
type CompleteMultipartUploadResponse struct {
|
|
XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ CompleteMultipartUploadResult" json:"-"`
|
|
|
|
Location string
|
|
Bucket string
|
|
Key string
|
|
ETag string
|
|
}
|
|
|
|
// DeleteError structure.
|
|
type DeleteError struct {
|
|
Code string
|
|
Message string
|
|
Key string
|
|
VersionID string `xml:"VersionId"`
|
|
}
|
|
|
|
// DeleteObjectsResponse container for multiple object deletes.
|
|
type DeleteObjectsResponse struct {
|
|
XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ DeleteResult" json:"-"`
|
|
|
|
// Collection of all deleted objects
|
|
DeletedObjects []DeletedObject `xml:"Deleted,omitempty"`
|
|
|
|
// Collection of errors deleting certain objects.
|
|
Errors []DeleteError `xml:"Error,omitempty"`
|
|
}
|
|
|
|
// PostResponse container for POST object request when success_action_status is set to 201
|
|
type PostResponse struct {
|
|
Bucket string
|
|
Key string
|
|
ETag string
|
|
Location string
|
|
}
|
|
|
|
// returns "https" if the tls boolean is true, "http" otherwise.
|
|
func getURLScheme(tls bool) string {
|
|
if tls {
|
|
return httpsScheme
|
|
}
|
|
return httpScheme
|
|
}
|
|
|
|
// getObjectLocation gets the fully qualified URL of an object.
|
|
func getObjectLocation(r *http.Request, domains []string, bucket, object string) string {
|
|
// unit tests do not have host set.
|
|
if r.Host == "" {
|
|
return path.Clean(r.URL.Path)
|
|
}
|
|
proto := handlers.GetSourceScheme(r)
|
|
if proto == "" {
|
|
proto = getURLScheme(globalIsTLS)
|
|
}
|
|
u := &url.URL{
|
|
Host: r.Host,
|
|
Path: path.Join(SlashSeparator, bucket, object),
|
|
Scheme: proto,
|
|
}
|
|
// If domain is set then we need to use bucket DNS style.
|
|
for _, domain := range domains {
|
|
if strings.HasPrefix(r.Host, bucket+"."+domain) {
|
|
u.Path = path.Join(SlashSeparator, object)
|
|
break
|
|
}
|
|
}
|
|
return u.String()
|
|
}
|
|
|
|
// generates ListBucketsResponse from array of BucketInfo which can be
|
|
// serialized to match XML and JSON API spec output.
|
|
func generateListBucketsResponse(buckets []BucketInfo) ListBucketsResponse {
|
|
listbuckets := make([]Bucket, 0, len(buckets))
|
|
var data = ListBucketsResponse{}
|
|
var owner = Owner{
|
|
ID: globalMinioDefaultOwnerID,
|
|
DisplayName: "minio",
|
|
}
|
|
|
|
for _, bucket := range buckets {
|
|
var listbucket = Bucket{}
|
|
listbucket.Name = bucket.Name
|
|
listbucket.CreationDate = bucket.Created.UTC().Format(iso8601TimeFormat)
|
|
listbuckets = append(listbuckets, listbucket)
|
|
}
|
|
|
|
data.Owner = owner
|
|
data.Buckets.Buckets = listbuckets
|
|
|
|
return data
|
|
}
|
|
|
|
// generates an ListBucketVersions response for the said bucket with other enumerated options.
|
|
func generateListVersionsResponse(bucket, prefix, marker, versionIDMarker, delimiter, encodingType string, maxKeys int, resp ListObjectVersionsInfo) ListVersionsResponse {
|
|
versions := make([]ObjectVersion, 0, len(resp.Objects))
|
|
var owner = Owner{
|
|
ID: globalMinioDefaultOwnerID,
|
|
DisplayName: "minio",
|
|
}
|
|
var data = ListVersionsResponse{}
|
|
|
|
for _, object := range resp.Objects {
|
|
var content = ObjectVersion{}
|
|
if object.Name == "" {
|
|
continue
|
|
}
|
|
content.Key = s3EncodeName(object.Name, encodingType)
|
|
content.LastModified = object.ModTime.UTC().Format(iso8601TimeFormat)
|
|
if object.ETag != "" {
|
|
content.ETag = "\"" + object.ETag + "\""
|
|
}
|
|
content.Size = object.Size
|
|
if object.StorageClass != "" {
|
|
content.StorageClass = object.StorageClass
|
|
} else {
|
|
content.StorageClass = globalMinioDefaultStorageClass
|
|
}
|
|
content.Owner = owner
|
|
content.VersionID = object.VersionID
|
|
if content.VersionID == "" {
|
|
content.VersionID = nullVersionID
|
|
}
|
|
content.IsLatest = object.IsLatest
|
|
content.isDeleteMarker = object.DeleteMarker
|
|
versions = append(versions, content)
|
|
}
|
|
|
|
data.Name = bucket
|
|
data.Versions = versions
|
|
data.EncodingType = encodingType
|
|
data.Prefix = s3EncodeName(prefix, encodingType)
|
|
data.KeyMarker = s3EncodeName(marker, encodingType)
|
|
data.Delimiter = s3EncodeName(delimiter, encodingType)
|
|
data.MaxKeys = maxKeys
|
|
|
|
data.NextKeyMarker = s3EncodeName(resp.NextMarker, encodingType)
|
|
data.NextVersionIDMarker = resp.NextVersionIDMarker
|
|
data.VersionIDMarker = versionIDMarker
|
|
data.IsTruncated = resp.IsTruncated
|
|
|
|
prefixes := make([]CommonPrefix, 0, len(resp.Prefixes))
|
|
for _, prefix := range resp.Prefixes {
|
|
var prefixItem = CommonPrefix{}
|
|
prefixItem.Prefix = s3EncodeName(prefix, encodingType)
|
|
prefixes = append(prefixes, prefixItem)
|
|
}
|
|
data.CommonPrefixes = prefixes
|
|
return data
|
|
}
|
|
|
|
// generates an ListObjectsV1 response for the said bucket with other enumerated options.
|
|
func generateListObjectsV1Response(bucket, prefix, marker, delimiter, encodingType string, maxKeys int, resp ListObjectsInfo) ListObjectsResponse {
|
|
contents := make([]Object, 0, len(resp.Objects))
|
|
var owner = Owner{
|
|
ID: globalMinioDefaultOwnerID,
|
|
DisplayName: "minio",
|
|
}
|
|
var data = ListObjectsResponse{}
|
|
|
|
for _, object := range resp.Objects {
|
|
var content = Object{}
|
|
if object.Name == "" {
|
|
continue
|
|
}
|
|
content.Key = s3EncodeName(object.Name, encodingType)
|
|
content.LastModified = object.ModTime.UTC().Format(iso8601TimeFormat)
|
|
if object.ETag != "" {
|
|
content.ETag = "\"" + object.ETag + "\""
|
|
}
|
|
content.Size = object.Size
|
|
if object.StorageClass != "" {
|
|
content.StorageClass = object.StorageClass
|
|
} else {
|
|
content.StorageClass = globalMinioDefaultStorageClass
|
|
}
|
|
content.Owner = owner
|
|
contents = append(contents, content)
|
|
}
|
|
data.Name = bucket
|
|
data.Contents = contents
|
|
|
|
data.EncodingType = encodingType
|
|
data.Prefix = s3EncodeName(prefix, encodingType)
|
|
data.Marker = s3EncodeName(marker, encodingType)
|
|
data.Delimiter = s3EncodeName(delimiter, encodingType)
|
|
data.MaxKeys = maxKeys
|
|
data.NextMarker = s3EncodeName(resp.NextMarker, encodingType)
|
|
data.IsTruncated = resp.IsTruncated
|
|
|
|
prefixes := make([]CommonPrefix, 0, len(resp.Prefixes))
|
|
for _, prefix := range resp.Prefixes {
|
|
var prefixItem = CommonPrefix{}
|
|
prefixItem.Prefix = s3EncodeName(prefix, encodingType)
|
|
prefixes = append(prefixes, prefixItem)
|
|
}
|
|
data.CommonPrefixes = prefixes
|
|
return data
|
|
}
|
|
|
|
// generates an ListObjectsV2 response for the said bucket with other enumerated options.
|
|
func generateListObjectsV2Response(bucket, prefix, token, nextToken, startAfter, delimiter, encodingType string, fetchOwner, isTruncated bool, maxKeys int, objects []ObjectInfo, prefixes []string, metadata bool) ListObjectsV2Response {
|
|
contents := make([]Object, 0, len(objects))
|
|
var owner = Owner{
|
|
ID: globalMinioDefaultOwnerID,
|
|
DisplayName: "minio",
|
|
}
|
|
var data = ListObjectsV2Response{}
|
|
|
|
for _, object := range objects {
|
|
var content = Object{}
|
|
if object.Name == "" {
|
|
continue
|
|
}
|
|
content.Key = s3EncodeName(object.Name, encodingType)
|
|
content.LastModified = object.ModTime.UTC().Format(iso8601TimeFormat)
|
|
if object.ETag != "" {
|
|
content.ETag = "\"" + object.ETag + "\""
|
|
}
|
|
content.Size = object.Size
|
|
if object.StorageClass != "" {
|
|
content.StorageClass = object.StorageClass
|
|
} else {
|
|
content.StorageClass = globalMinioDefaultStorageClass
|
|
}
|
|
content.Owner = owner
|
|
if metadata {
|
|
content.UserMetadata = make(StringMap)
|
|
switch kind, _ := crypto.IsEncrypted(object.UserDefined); kind {
|
|
case crypto.S3:
|
|
content.UserMetadata[xhttp.AmzServerSideEncryption] = xhttp.AmzEncryptionAES
|
|
case crypto.S3KMS:
|
|
content.UserMetadata[xhttp.AmzServerSideEncryption] = xhttp.AmzEncryptionKMS
|
|
case crypto.SSEC:
|
|
content.UserMetadata[xhttp.AmzServerSideEncryptionCustomerAlgorithm] = xhttp.AmzEncryptionAES
|
|
}
|
|
for k, v := range CleanMinioInternalMetadataKeys(object.UserDefined) {
|
|
if strings.HasPrefix(strings.ToLower(k), ReservedMetadataPrefixLower) {
|
|
// Do not need to send any internal metadata
|
|
// values to client.
|
|
continue
|
|
}
|
|
// https://github.com/google/security-research/security/advisories/GHSA-76wf-9vgp-pj7w
|
|
if equals(k, xhttp.AmzMetaUnencryptedContentLength, xhttp.AmzMetaUnencryptedContentMD5) {
|
|
continue
|
|
}
|
|
content.UserMetadata[k] = v
|
|
}
|
|
}
|
|
contents = append(contents, content)
|
|
}
|
|
data.Name = bucket
|
|
data.Contents = contents
|
|
|
|
data.EncodingType = encodingType
|
|
data.StartAfter = s3EncodeName(startAfter, encodingType)
|
|
data.Delimiter = s3EncodeName(delimiter, encodingType)
|
|
data.Prefix = s3EncodeName(prefix, encodingType)
|
|
data.MaxKeys = maxKeys
|
|
data.ContinuationToken = base64.StdEncoding.EncodeToString([]byte(token))
|
|
data.NextContinuationToken = base64.StdEncoding.EncodeToString([]byte(nextToken))
|
|
data.IsTruncated = isTruncated
|
|
|
|
commonPrefixes := make([]CommonPrefix, 0, len(prefixes))
|
|
for _, prefix := range prefixes {
|
|
var prefixItem = CommonPrefix{}
|
|
prefixItem.Prefix = s3EncodeName(prefix, encodingType)
|
|
commonPrefixes = append(commonPrefixes, prefixItem)
|
|
}
|
|
data.CommonPrefixes = commonPrefixes
|
|
data.KeyCount = len(data.Contents) + len(data.CommonPrefixes)
|
|
return data
|
|
}
|
|
|
|
// generates CopyObjectResponse from etag and lastModified time.
|
|
func generateCopyObjectResponse(etag string, lastModified time.Time) CopyObjectResponse {
|
|
return CopyObjectResponse{
|
|
ETag: "\"" + etag + "\"",
|
|
LastModified: lastModified.UTC().Format(iso8601TimeFormat),
|
|
}
|
|
}
|
|
|
|
// generates CopyObjectPartResponse from etag and lastModified time.
|
|
func generateCopyObjectPartResponse(etag string, lastModified time.Time) CopyObjectPartResponse {
|
|
return CopyObjectPartResponse{
|
|
ETag: "\"" + etag + "\"",
|
|
LastModified: lastModified.UTC().Format(iso8601TimeFormat),
|
|
}
|
|
}
|
|
|
|
// generates InitiateMultipartUploadResponse for given bucket, key and uploadID.
|
|
func generateInitiateMultipartUploadResponse(bucket, key, uploadID string) InitiateMultipartUploadResponse {
|
|
return InitiateMultipartUploadResponse{
|
|
Bucket: bucket,
|
|
Key: key,
|
|
UploadID: uploadID,
|
|
}
|
|
}
|
|
|
|
// generates CompleteMultipartUploadResponse for given bucket, key, location and ETag.
|
|
func generateCompleteMultpartUploadResponse(bucket, key, location, etag string) CompleteMultipartUploadResponse {
|
|
return CompleteMultipartUploadResponse{
|
|
Location: location,
|
|
Bucket: bucket,
|
|
Key: key,
|
|
// AWS S3 quotes the ETag in XML, make sure we are compatible here.
|
|
ETag: "\"" + etag + "\"",
|
|
}
|
|
}
|
|
|
|
// generates ListPartsResponse from ListPartsInfo.
|
|
func generateListPartsResponse(partsInfo ListPartsInfo, encodingType string) ListPartsResponse {
|
|
listPartsResponse := ListPartsResponse{}
|
|
listPartsResponse.Bucket = partsInfo.Bucket
|
|
listPartsResponse.Key = s3EncodeName(partsInfo.Object, encodingType)
|
|
listPartsResponse.UploadID = partsInfo.UploadID
|
|
listPartsResponse.StorageClass = globalMinioDefaultStorageClass
|
|
|
|
// Dumb values not meaningful
|
|
listPartsResponse.Initiator = Initiator{
|
|
ID: globalMinioDefaultOwnerID,
|
|
DisplayName: globalMinioDefaultOwnerID,
|
|
}
|
|
listPartsResponse.Owner = Owner{
|
|
ID: globalMinioDefaultOwnerID,
|
|
DisplayName: globalMinioDefaultOwnerID,
|
|
}
|
|
|
|
listPartsResponse.MaxParts = partsInfo.MaxParts
|
|
listPartsResponse.PartNumberMarker = partsInfo.PartNumberMarker
|
|
listPartsResponse.IsTruncated = partsInfo.IsTruncated
|
|
listPartsResponse.NextPartNumberMarker = partsInfo.NextPartNumberMarker
|
|
|
|
listPartsResponse.Parts = make([]Part, len(partsInfo.Parts))
|
|
for index, part := range partsInfo.Parts {
|
|
newPart := Part{}
|
|
newPart.PartNumber = part.PartNumber
|
|
newPart.ETag = "\"" + part.ETag + "\""
|
|
newPart.Size = part.Size
|
|
newPart.LastModified = part.LastModified.UTC().Format(iso8601TimeFormat)
|
|
listPartsResponse.Parts[index] = newPart
|
|
}
|
|
return listPartsResponse
|
|
}
|
|
|
|
// generates ListMultipartUploadsResponse for given bucket and ListMultipartsInfo.
|
|
func generateListMultipartUploadsResponse(bucket string, multipartsInfo ListMultipartsInfo, encodingType string) ListMultipartUploadsResponse {
|
|
listMultipartUploadsResponse := ListMultipartUploadsResponse{}
|
|
listMultipartUploadsResponse.Bucket = bucket
|
|
listMultipartUploadsResponse.Delimiter = s3EncodeName(multipartsInfo.Delimiter, encodingType)
|
|
listMultipartUploadsResponse.IsTruncated = multipartsInfo.IsTruncated
|
|
listMultipartUploadsResponse.EncodingType = encodingType
|
|
listMultipartUploadsResponse.Prefix = s3EncodeName(multipartsInfo.Prefix, encodingType)
|
|
listMultipartUploadsResponse.KeyMarker = s3EncodeName(multipartsInfo.KeyMarker, encodingType)
|
|
listMultipartUploadsResponse.NextKeyMarker = s3EncodeName(multipartsInfo.NextKeyMarker, encodingType)
|
|
listMultipartUploadsResponse.MaxUploads = multipartsInfo.MaxUploads
|
|
listMultipartUploadsResponse.NextUploadIDMarker = multipartsInfo.NextUploadIDMarker
|
|
listMultipartUploadsResponse.UploadIDMarker = multipartsInfo.UploadIDMarker
|
|
listMultipartUploadsResponse.CommonPrefixes = make([]CommonPrefix, len(multipartsInfo.CommonPrefixes))
|
|
for index, commonPrefix := range multipartsInfo.CommonPrefixes {
|
|
listMultipartUploadsResponse.CommonPrefixes[index] = CommonPrefix{
|
|
Prefix: s3EncodeName(commonPrefix, encodingType),
|
|
}
|
|
}
|
|
listMultipartUploadsResponse.Uploads = make([]Upload, len(multipartsInfo.Uploads))
|
|
for index, upload := range multipartsInfo.Uploads {
|
|
newUpload := Upload{}
|
|
newUpload.UploadID = upload.UploadID
|
|
newUpload.Key = s3EncodeName(upload.Object, encodingType)
|
|
newUpload.Initiated = upload.Initiated.UTC().Format(iso8601TimeFormat)
|
|
listMultipartUploadsResponse.Uploads[index] = newUpload
|
|
}
|
|
return listMultipartUploadsResponse
|
|
}
|
|
|
|
// generate multi objects delete response.
|
|
func generateMultiDeleteResponse(quiet bool, deletedObjects []DeletedObject, errs []DeleteError) DeleteObjectsResponse {
|
|
deleteResp := DeleteObjectsResponse{}
|
|
if !quiet {
|
|
deleteResp.DeletedObjects = deletedObjects
|
|
}
|
|
if len(errs) == len(deletedObjects) {
|
|
deleteResp.DeletedObjects = nil
|
|
}
|
|
deleteResp.Errors = errs
|
|
return deleteResp
|
|
}
|
|
|
|
func writeResponse(w http.ResponseWriter, statusCode int, response []byte, mType mimeType) {
|
|
setCommonHeaders(w)
|
|
if mType != mimeNone {
|
|
w.Header().Set(xhttp.ContentType, string(mType))
|
|
}
|
|
w.Header().Set(xhttp.ContentLength, strconv.Itoa(len(response)))
|
|
w.WriteHeader(statusCode)
|
|
if response != nil {
|
|
w.Write(response)
|
|
w.(http.Flusher).Flush()
|
|
}
|
|
}
|
|
|
|
// mimeType represents various MIME type used API responses.
|
|
type mimeType string
|
|
|
|
const (
|
|
// Means no response type.
|
|
mimeNone mimeType = ""
|
|
// Means response type is JSON.
|
|
mimeJSON mimeType = "application/json"
|
|
// Means response type is XML.
|
|
mimeXML mimeType = "application/xml"
|
|
)
|
|
|
|
// writeSuccessResponseJSON writes success headers and response if any,
|
|
// with content-type set to `application/json`.
|
|
func writeSuccessResponseJSON(w http.ResponseWriter, response []byte) {
|
|
writeResponse(w, http.StatusOK, response, mimeJSON)
|
|
}
|
|
|
|
// writeSuccessResponseXML writes success headers and response if any,
|
|
// with content-type set to `application/xml`.
|
|
func writeSuccessResponseXML(w http.ResponseWriter, response []byte) {
|
|
writeResponse(w, http.StatusOK, response, mimeXML)
|
|
}
|
|
|
|
// writeSuccessNoContent writes success headers with http status 204
|
|
func writeSuccessNoContent(w http.ResponseWriter) {
|
|
writeResponse(w, http.StatusNoContent, nil, mimeNone)
|
|
}
|
|
|
|
// writeRedirectSeeOther writes Location header with http status 303
|
|
func writeRedirectSeeOther(w http.ResponseWriter, location string) {
|
|
w.Header().Set(xhttp.Location, location)
|
|
writeResponse(w, http.StatusSeeOther, nil, mimeNone)
|
|
}
|
|
|
|
func writeSuccessResponseHeadersOnly(w http.ResponseWriter) {
|
|
writeResponse(w, http.StatusOK, nil, mimeNone)
|
|
}
|
|
|
|
// writeErrorRespone writes error headers
|
|
func writeErrorResponse(ctx context.Context, w http.ResponseWriter, err APIError, reqURL *url.URL) {
|
|
switch err.Code {
|
|
case "SlowDown", "XMinioServerNotInitialized", "XMinioReadQuorum", "XMinioWriteQuorum":
|
|
// Set retry-after header to indicate user-agents to retry request after 120secs.
|
|
// https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Retry-After
|
|
w.Header().Set(xhttp.RetryAfter, "120")
|
|
case "InvalidRegion":
|
|
err.Description = fmt.Sprintf("Region does not match; expecting '%s'.", globalServerRegion)
|
|
case "AuthorizationHeaderMalformed":
|
|
err.Description = fmt.Sprintf("The authorization header is malformed; the region is wrong; expecting '%s'.", globalServerRegion)
|
|
}
|
|
|
|
// Generate error response.
|
|
errorResponse := getAPIErrorResponse(ctx, err, reqURL.Path,
|
|
w.Header().Get(xhttp.AmzRequestID), globalDeploymentID)
|
|
encodedErrorResponse := encodeResponse(errorResponse)
|
|
writeResponse(w, err.HTTPStatusCode, encodedErrorResponse, mimeXML)
|
|
}
|
|
|
|
func writeErrorResponseHeadersOnly(w http.ResponseWriter, err APIError) {
|
|
writeResponse(w, err.HTTPStatusCode, nil, mimeNone)
|
|
}
|
|
|
|
func writeErrorResponseString(ctx context.Context, w http.ResponseWriter, err APIError, reqURL *url.URL) {
|
|
// Generate string error response.
|
|
writeResponse(w, err.HTTPStatusCode, []byte(err.Description), mimeNone)
|
|
}
|
|
|
|
// writeErrorResponseJSON - writes error response in JSON format;
|
|
// useful for admin APIs.
|
|
func writeErrorResponseJSON(ctx context.Context, w http.ResponseWriter, err APIError, reqURL *url.URL) {
|
|
// Generate error response.
|
|
errorResponse := getAPIErrorResponse(ctx, err, reqURL.Path, w.Header().Get(xhttp.AmzRequestID), globalDeploymentID)
|
|
encodedErrorResponse := encodeResponseJSON(errorResponse)
|
|
writeResponse(w, err.HTTPStatusCode, encodedErrorResponse, mimeJSON)
|
|
}
|
|
|
|
// writeCustomErrorResponseJSON - similar to writeErrorResponseJSON,
|
|
// but accepts the error message directly (this allows messages to be
|
|
// dynamically generated.)
|
|
func writeCustomErrorResponseJSON(ctx context.Context, w http.ResponseWriter, err APIError,
|
|
errBody string, reqURL *url.URL) {
|
|
|
|
reqInfo := logger.GetReqInfo(ctx)
|
|
errorResponse := APIErrorResponse{
|
|
Code: err.Code,
|
|
Message: errBody,
|
|
Resource: reqURL.Path,
|
|
BucketName: reqInfo.BucketName,
|
|
Key: reqInfo.ObjectName,
|
|
RequestID: w.Header().Get(xhttp.AmzRequestID),
|
|
HostID: globalDeploymentID,
|
|
}
|
|
encodedErrorResponse := encodeResponseJSON(errorResponse)
|
|
writeResponse(w, err.HTTPStatusCode, encodedErrorResponse, mimeJSON)
|
|
}
|