minio/cmd/api-resources.go

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// 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/>.
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package cmd
import (
"encoding/base64"
"net/url"
"strconv"
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)
// Parse bucket url queries
func getListObjectsV1Args(values url.Values) (prefix, marker, delimiter string, maxkeys int, encodingType string, errCode APIErrorCode) {
errCode = ErrNone
if values.Get("max-keys") != "" {
var err error
if maxkeys, err = strconv.Atoi(values.Get("max-keys")); err != nil {
errCode = ErrInvalidMaxKeys
return
}
} else {
maxkeys = maxObjectList
}
prefix = trimLeadingSlash(values.Get("prefix"))
marker = trimLeadingSlash(values.Get("marker"))
delimiter = values.Get("delimiter")
encodingType = values.Get("encoding-type")
return
}
func getListBucketObjectVersionsArgs(values url.Values) (prefix, marker, delimiter string, maxkeys int, encodingType, versionIDMarker string, errCode APIErrorCode) {
errCode = ErrNone
if values.Get("max-keys") != "" {
var err error
if maxkeys, err = strconv.Atoi(values.Get("max-keys")); err != nil {
errCode = ErrInvalidMaxKeys
return
}
} else {
maxkeys = maxObjectList
}
prefix = trimLeadingSlash(values.Get("prefix"))
marker = trimLeadingSlash(values.Get("key-marker"))
delimiter = values.Get("delimiter")
encodingType = values.Get("encoding-type")
versionIDMarker = values.Get("version-id-marker")
return
}
// Parse bucket url queries for ListObjects V2.
func getListObjectsV2Args(values url.Values) (prefix, token, startAfter, delimiter string, fetchOwner bool, maxkeys int, encodingType string, errCode APIErrorCode) {
errCode = ErrNone
// The continuation-token cannot be empty.
if val, ok := values["continuation-token"]; ok {
if len(val[0]) == 0 {
errCode = ErrIncorrectContinuationToken
return
}
}
if values.Get("max-keys") != "" {
var err error
if maxkeys, err = strconv.Atoi(values.Get("max-keys")); err != nil {
errCode = ErrInvalidMaxKeys
return
}
} else {
maxkeys = maxObjectList
}
prefix = trimLeadingSlash(values.Get("prefix"))
startAfter = trimLeadingSlash(values.Get("start-after"))
delimiter = values.Get("delimiter")
fetchOwner = values.Get("fetch-owner") == "true"
encodingType = values.Get("encoding-type")
if token = values.Get("continuation-token"); token != "" {
decodedToken, err := base64.StdEncoding.DecodeString(token)
if err != nil {
errCode = ErrIncorrectContinuationToken
return
}
token = string(decodedToken)
}
return
}
// Parse bucket url queries for ?uploads
func getBucketMultipartResources(values url.Values) (prefix, keyMarker, uploadIDMarker, delimiter string, maxUploads int, encodingType string, errCode APIErrorCode) {
errCode = ErrNone
if values.Get("max-uploads") != "" {
var err error
if maxUploads, err = strconv.Atoi(values.Get("max-uploads")); err != nil {
errCode = ErrInvalidMaxUploads
return
}
} else {
maxUploads = maxUploadsList
}
prefix = trimLeadingSlash(values.Get("prefix"))
keyMarker = trimLeadingSlash(values.Get("key-marker"))
uploadIDMarker = values.Get("upload-id-marker")
delimiter = values.Get("delimiter")
encodingType = values.Get("encoding-type")
return
}
// Parse object url queries
func getObjectResources(values url.Values) (uploadID string, partNumberMarker, maxParts int, encodingType string, errCode APIErrorCode) {
var err error
errCode = ErrNone
if values.Get("max-parts") != "" {
if maxParts, err = strconv.Atoi(values.Get("max-parts")); err != nil {
errCode = ErrInvalidMaxParts
return
}
} else {
maxParts = maxPartsList
}
if values.Get("part-number-marker") != "" {
if partNumberMarker, err = strconv.Atoi(values.Get("part-number-marker")); err != nil {
errCode = ErrInvalidPartNumberMarker
return
}
}
uploadID = values.Get("uploadId")
encodingType = values.Get("encoding-type")
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return
}