Minio V2 listing uses object names/prefixes as continuation tokens. This is problematic when object names contain some characters that are forbidden in XML documents. This PR will use base64 encoded form of continuation and next continuation tokens to address that corner case.
152 lines
4.1 KiB
Go
152 lines
4.1 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2015, 2016, 2017, 2018 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 cmd
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import (
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"encoding/base64"
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"net/url"
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"strconv"
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)
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// Parse bucket url queries
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func getListObjectsV1Args(values url.Values) (prefix, marker, delimiter string, maxkeys int, encodingType string, errCode APIErrorCode) {
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errCode = ErrNone
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if values.Get("max-keys") != "" {
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var err error
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if maxkeys, err = strconv.Atoi(values.Get("max-keys")); err != nil {
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errCode = ErrInvalidMaxKeys
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return
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}
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} else {
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maxkeys = maxObjectList
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}
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prefix = values.Get("prefix")
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marker = values.Get("marker")
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delimiter = values.Get("delimiter")
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encodingType = values.Get("encoding-type")
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return
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}
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func getListBucketObjectVersionsArgs(values url.Values) (prefix, marker, delimiter string, maxkeys int, encodingType, versionIDMarker string, errCode APIErrorCode) {
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errCode = ErrNone
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if values.Get("max-keys") != "" {
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var err error
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if maxkeys, err = strconv.Atoi(values.Get("max-keys")); err != nil {
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errCode = ErrInvalidMaxKeys
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return
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}
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} else {
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maxkeys = maxObjectList
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}
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prefix = values.Get("prefix")
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marker = values.Get("key-marker")
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delimiter = values.Get("delimiter")
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encodingType = values.Get("encoding-type")
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versionIDMarker = values.Get("version-id-marker")
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return
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}
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// Parse bucket url queries for ListObjects V2.
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func getListObjectsV2Args(values url.Values) (prefix, token, startAfter, delimiter string, fetchOwner bool, maxkeys int, encodingType string, errCode APIErrorCode) {
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errCode = ErrNone
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// The continuation-token cannot be empty.
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if val, ok := values["continuation-token"]; ok {
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if len(val[0]) == 0 {
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errCode = ErrIncorrectContinuationToken
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return
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}
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}
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if values.Get("max-keys") != "" {
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var err error
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if maxkeys, err = strconv.Atoi(values.Get("max-keys")); err != nil {
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errCode = ErrInvalidMaxKeys
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return
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}
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} else {
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maxkeys = maxObjectList
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}
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prefix = values.Get("prefix")
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startAfter = values.Get("start-after")
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delimiter = values.Get("delimiter")
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fetchOwner = values.Get("fetch-owner") == "true"
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encodingType = values.Get("encoding-type")
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if token = values.Get("continuation-token"); token != "" {
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decodedToken, err := base64.StdEncoding.DecodeString(token)
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if err != nil {
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errCode = ErrIncorrectContinuationToken
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return
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}
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token = string(decodedToken)
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}
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return
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}
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// Parse bucket url queries for ?uploads
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func getBucketMultipartResources(values url.Values) (prefix, keyMarker, uploadIDMarker, delimiter string, maxUploads int, encodingType string, errCode APIErrorCode) {
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errCode = ErrNone
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if values.Get("max-uploads") != "" {
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var err error
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if maxUploads, err = strconv.Atoi(values.Get("max-uploads")); err != nil {
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errCode = ErrInvalidMaxUploads
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return
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}
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} else {
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maxUploads = maxUploadsList
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}
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prefix = values.Get("prefix")
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keyMarker = values.Get("key-marker")
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uploadIDMarker = values.Get("upload-id-marker")
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delimiter = values.Get("delimiter")
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encodingType = values.Get("encoding-type")
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return
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}
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// Parse object url queries
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func getObjectResources(values url.Values) (uploadID string, partNumberMarker, maxParts int, encodingType string, errCode APIErrorCode) {
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var err error
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errCode = ErrNone
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if values.Get("max-parts") != "" {
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if maxParts, err = strconv.Atoi(values.Get("max-parts")); err != nil {
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errCode = ErrInvalidMaxParts
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return
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}
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} else {
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maxParts = maxPartsList
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}
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if values.Get("part-number-marker") != "" {
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if partNumberMarker, err = strconv.Atoi(values.Get("part-number-marker")); err != nil {
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errCode = ErrInvalidPartNumberMarker
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return
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}
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}
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uploadID = values.Get("uploadId")
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encodingType = values.Get("encoding-type")
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return
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}
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