mirror of
https://github.com/minio/minio.git
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eb2894233c
- Make azure gateway a package - Make b2 gateway a package - Make gcs gateway a package - Make s3 gateway a package - Make sia gateway a package
326 lines
9.0 KiB
Go
326 lines
9.0 KiB
Go
/*
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* Minio Cloud Storage, (C) 2017 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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"net/http"
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"github.com/minio/minio/pkg/errors"
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"github.com/minio/minio/pkg/hash"
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minio "github.com/minio/minio-go"
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)
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var (
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// CanonicalizeETag provides canonicalizeETag function alias.
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CanonicalizeETag = canonicalizeETag
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// MustGetUUID function alias.
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MustGetUUID = mustGetUUID
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// ErrorIf provides errorIf function alias.
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ErrorIf = errorIf
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// FatalIf provides fatalIf function alias.
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FatalIf = fatalIf
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)
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// AnonErrToObjectErr - converts standard http codes into meaningful object layer errors.
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func AnonErrToObjectErr(statusCode int, params ...string) error {
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bucket := ""
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object := ""
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if len(params) >= 1 {
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bucket = params[0]
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}
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if len(params) == 2 {
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object = params[1]
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}
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switch statusCode {
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case http.StatusNotFound:
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if object != "" {
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return ObjectNotFound{bucket, object}
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}
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return BucketNotFound{Bucket: bucket}
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case http.StatusBadRequest:
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if object != "" {
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return ObjectNameInvalid{bucket, object}
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}
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return BucketNameInvalid{Bucket: bucket}
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case http.StatusForbidden:
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fallthrough
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case http.StatusUnauthorized:
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return AllAccessDisabled{bucket, object}
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}
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return errUnexpected
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}
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// FromMinioClientMetadata converts minio metadata to map[string]string
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func FromMinioClientMetadata(metadata map[string][]string) map[string]string {
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mm := map[string]string{}
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for k, v := range metadata {
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mm[http.CanonicalHeaderKey(k)] = v[0]
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}
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return mm
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}
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// FromMinioClientObjectPart converts minio ObjectPart to PartInfo
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func FromMinioClientObjectPart(op minio.ObjectPart) PartInfo {
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return PartInfo{
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Size: op.Size,
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ETag: canonicalizeETag(op.ETag),
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LastModified: op.LastModified,
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PartNumber: op.PartNumber,
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}
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}
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// FromMinioClientListPartsInfo converts minio ListObjectPartsResult to ListPartsInfo
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func FromMinioClientListPartsInfo(lopr minio.ListObjectPartsResult) ListPartsInfo {
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// Convert minio ObjectPart to PartInfo
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fromMinioClientObjectParts := func(parts []minio.ObjectPart) []PartInfo {
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toParts := make([]PartInfo, len(parts))
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for i, part := range parts {
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toParts[i] = FromMinioClientObjectPart(part)
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}
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return toParts
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}
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return ListPartsInfo{
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UploadID: lopr.UploadID,
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Bucket: lopr.Bucket,
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Object: lopr.Key,
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StorageClass: "",
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PartNumberMarker: lopr.PartNumberMarker,
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NextPartNumberMarker: lopr.NextPartNumberMarker,
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MaxParts: lopr.MaxParts,
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IsTruncated: lopr.IsTruncated,
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EncodingType: lopr.EncodingType,
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Parts: fromMinioClientObjectParts(lopr.ObjectParts),
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}
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}
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// FromMinioClientListMultipartsInfo converts minio ListMultipartUploadsResult to ListMultipartsInfo
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func FromMinioClientListMultipartsInfo(lmur minio.ListMultipartUploadsResult) ListMultipartsInfo {
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uploads := make([]MultipartInfo, len(lmur.Uploads))
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for i, um := range lmur.Uploads {
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uploads[i] = MultipartInfo{
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Object: um.Key,
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UploadID: um.UploadID,
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Initiated: um.Initiated,
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}
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}
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commonPrefixes := make([]string, len(lmur.CommonPrefixes))
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for i, cp := range lmur.CommonPrefixes {
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commonPrefixes[i] = cp.Prefix
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}
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return ListMultipartsInfo{
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KeyMarker: lmur.KeyMarker,
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UploadIDMarker: lmur.UploadIDMarker,
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NextKeyMarker: lmur.NextKeyMarker,
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NextUploadIDMarker: lmur.NextUploadIDMarker,
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MaxUploads: int(lmur.MaxUploads),
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IsTruncated: lmur.IsTruncated,
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Uploads: uploads,
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Prefix: lmur.Prefix,
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Delimiter: lmur.Delimiter,
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CommonPrefixes: commonPrefixes,
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EncodingType: lmur.EncodingType,
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}
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}
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// FromMinioClientObjectInfo converts minio ObjectInfo to gateway ObjectInfo
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func FromMinioClientObjectInfo(bucket string, oi minio.ObjectInfo) ObjectInfo {
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userDefined := FromMinioClientMetadata(oi.Metadata)
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userDefined["Content-Type"] = oi.ContentType
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return ObjectInfo{
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Bucket: bucket,
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Name: oi.Key,
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ModTime: oi.LastModified,
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Size: oi.Size,
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ETag: canonicalizeETag(oi.ETag),
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UserDefined: userDefined,
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ContentType: oi.ContentType,
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ContentEncoding: oi.Metadata.Get("Content-Encoding"),
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}
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}
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// FromMinioClientListBucketV2Result converts minio ListBucketResult to ListObjectsInfo
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func FromMinioClientListBucketV2Result(bucket string, result minio.ListBucketV2Result) ListObjectsV2Info {
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objects := make([]ObjectInfo, len(result.Contents))
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for i, oi := range result.Contents {
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objects[i] = FromMinioClientObjectInfo(bucket, oi)
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}
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prefixes := make([]string, len(result.CommonPrefixes))
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for i, p := range result.CommonPrefixes {
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prefixes[i] = p.Prefix
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}
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return ListObjectsV2Info{
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IsTruncated: result.IsTruncated,
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Prefixes: prefixes,
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Objects: objects,
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ContinuationToken: result.ContinuationToken,
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NextContinuationToken: result.NextContinuationToken,
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}
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}
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// FromMinioClientListBucketResult converts minio ListBucketResult to ListObjectsInfo
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func FromMinioClientListBucketResult(bucket string, result minio.ListBucketResult) ListObjectsInfo {
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objects := make([]ObjectInfo, len(result.Contents))
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for i, oi := range result.Contents {
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objects[i] = FromMinioClientObjectInfo(bucket, oi)
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}
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prefixes := make([]string, len(result.CommonPrefixes))
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for i, p := range result.CommonPrefixes {
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prefixes[i] = p.Prefix
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}
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return ListObjectsInfo{
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IsTruncated: result.IsTruncated,
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NextMarker: result.NextMarker,
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Prefixes: prefixes,
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Objects: objects,
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}
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}
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// FromMinioClientListBucketResultToV2Info converts minio ListBucketResult to ListObjectsV2Info
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func FromMinioClientListBucketResultToV2Info(bucket string, result minio.ListBucketResult) ListObjectsV2Info {
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objects := make([]ObjectInfo, len(result.Contents))
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for i, oi := range result.Contents {
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objects[i] = FromMinioClientObjectInfo(bucket, oi)
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}
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prefixes := make([]string, len(result.CommonPrefixes))
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for i, p := range result.CommonPrefixes {
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prefixes[i] = p.Prefix
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}
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return ListObjectsV2Info{
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IsTruncated: result.IsTruncated,
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Prefixes: prefixes,
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Objects: objects,
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ContinuationToken: result.Marker,
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NextContinuationToken: result.NextMarker,
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}
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}
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// ToMinioClientMetadata converts metadata to map[string][]string
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func ToMinioClientMetadata(metadata map[string]string) map[string]string {
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mm := make(map[string]string)
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for k, v := range metadata {
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mm[http.CanonicalHeaderKey(k)] = v
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}
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return mm
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}
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// ToMinioClientCompletePart converts CompletePart to minio CompletePart
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func ToMinioClientCompletePart(part CompletePart) minio.CompletePart {
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return minio.CompletePart{
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ETag: part.ETag,
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PartNumber: part.PartNumber,
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}
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}
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// ToMinioClientCompleteParts converts []CompletePart to minio []CompletePart
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func ToMinioClientCompleteParts(parts []CompletePart) []minio.CompletePart {
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mparts := make([]minio.CompletePart, len(parts))
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for i, part := range parts {
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mparts[i] = ToMinioClientCompletePart(part)
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}
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return mparts
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}
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// ErrorRespToObjectError converts Minio errors to minio object layer errors.
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func ErrorRespToObjectError(err error, params ...string) error {
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if err == nil {
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return nil
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}
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e, ok := err.(*errors.Error)
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if !ok {
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// Code should be fixed if this function is called without doing traceError()
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// Else handling different situations in this function makes this function complicated.
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errorIf(err, "Expected type *Error")
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return err
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}
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err = e.Cause
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bucket := ""
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object := ""
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if len(params) >= 1 {
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bucket = params[0]
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}
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if len(params) == 2 {
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object = params[1]
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}
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minioErr, ok := err.(minio.ErrorResponse)
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if !ok {
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// We don't interpret non Minio errors. As minio errors will
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// have StatusCode to help to convert to object errors.
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return e
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}
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switch minioErr.Code {
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case "BucketAlreadyOwnedByYou":
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err = BucketAlreadyOwnedByYou{}
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case "BucketNotEmpty":
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err = BucketNotEmpty{}
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case "NoSuchBucketPolicy":
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err = PolicyNotFound{}
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case "InvalidBucketName":
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err = BucketNameInvalid{Bucket: bucket}
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case "NoSuchBucket":
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err = BucketNotFound{Bucket: bucket}
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case "NoSuchKey":
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if object != "" {
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err = ObjectNotFound{Bucket: bucket, Object: object}
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} else {
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err = BucketNotFound{Bucket: bucket}
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}
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case "XMinioInvalidObjectName":
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err = ObjectNameInvalid{}
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case "AccessDenied":
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err = PrefixAccessDenied{
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Bucket: bucket,
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Object: object,
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}
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case "XAmzContentSHA256Mismatch":
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err = hash.SHA256Mismatch{}
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case "NoSuchUpload":
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err = InvalidUploadID{}
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case "EntityTooSmall":
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err = PartTooSmall{}
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}
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e.Cause = err
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return e
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}
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