mirror of https://github.com/minio/minio.git
123 lines
3.5 KiB
Go
123 lines
3.5 KiB
Go
// Copyright (c) 2015-2023 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"bytes"
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"context"
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"sync"
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"github.com/minio/minio-go/v7"
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"github.com/minio/minio-go/v7/pkg/s3utils"
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"github.com/minio/minio/internal/crypto"
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"github.com/minio/minio/internal/hash"
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xhttp "github.com/minio/minio/internal/http"
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"github.com/minio/minio/internal/kms"
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)
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type fanOutOptions struct {
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Kind crypto.Type
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KeyID string
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Key []byte
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KmsCtx kms.Context
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Checksum *hash.Checksum
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MD5Hex string
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}
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// fanOutPutObject takes an input source reader and fans out multiple PUT operations
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// based on the incoming fan-out request, a context cancellation by the caller
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// would ensure all fan-out operations are canceled.
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func fanOutPutObject(ctx context.Context, bucket string, objectAPI ObjectLayer, fanOutEntries []minio.PutObjectFanOutEntry, fanOutBuf []byte, opts fanOutOptions) ([]ObjectInfo, []error) {
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errs := make([]error, len(fanOutEntries))
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objInfos := make([]ObjectInfo, len(fanOutEntries))
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var wg sync.WaitGroup
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for i, req := range fanOutEntries {
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wg.Add(1)
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go func(idx int, req minio.PutObjectFanOutEntry) {
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defer wg.Done()
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objInfos[idx] = ObjectInfo{Name: req.Key}
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hopts := hash.Options{
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Size: int64(len(fanOutBuf)),
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MD5Hex: opts.MD5Hex,
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SHA256Hex: "",
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ActualSize: -1,
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DisableMD5: true,
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}
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hr, err := hash.NewReaderWithOpts(ctx, bytes.NewReader(fanOutBuf), hopts)
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if err != nil {
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errs[idx] = err
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return
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}
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reader := NewPutObjReader(hr)
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defer func() {
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if err := reader.Close(); err != nil {
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errs[idx] = err
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}
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if err := hr.Close(); err != nil {
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errs[idx] = err
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}
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}()
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userDefined := make(map[string]string, len(req.UserMetadata))
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for k, v := range req.UserMetadata {
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userDefined[k] = v
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}
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userDefined[xhttp.AmzObjectTagging] = s3utils.TagEncode(req.UserTags)
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if opts.Kind != nil {
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encrd, objectEncryptionKey, err := newEncryptReader(ctx, hr, opts.Kind, opts.KeyID, opts.Key, bucket, req.Key, userDefined, opts.KmsCtx)
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if err != nil {
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errs[idx] = err
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return
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}
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// do not try to verify encrypted content/
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hr, err = hash.NewReader(ctx, encrd, -1, "", "", -1)
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if err != nil {
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errs[idx] = err
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return
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}
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reader, err = reader.WithEncryption(hr, &objectEncryptionKey)
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if err != nil {
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errs[idx] = err
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return
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}
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}
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objInfo, err := objectAPI.PutObject(ctx, bucket, req.Key, reader, ObjectOptions{
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Versioned: globalBucketVersioningSys.PrefixEnabled(bucket, req.Key),
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VersionSuspended: globalBucketVersioningSys.PrefixSuspended(bucket, req.Key),
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UserDefined: userDefined,
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})
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if err != nil {
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errs[idx] = err
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return
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}
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objInfos[idx] = objInfo
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}(i, req)
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}
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wg.Wait()
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return objInfos, errs
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}
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