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upload.go
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upload.go
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// Copyright 2018-2021 CERN
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// In applying this license, CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
package eosfs
import (
"context"
"io"
"os"
"path"
provider "github.com/cs3org/go-cs3apis/cs3/storage/provider/v1beta1"
"github.com/cs3org/reva/v2/pkg/errtypes"
"github.com/cs3org/reva/v2/pkg/storage"
"github.com/cs3org/reva/v2/pkg/storage/utils/chunking"
"github.com/pkg/errors"
)
func (fs *eosfs) Upload(ctx context.Context, ref *provider.Reference, r io.ReadCloser, _ storage.UploadFinishedFunc) error {
p, err := fs.resolve(ctx, ref)
if err != nil {
return errors.Wrap(err, "eos: error resolving reference")
}
if fs.isShareFolder(ctx, p) {
return errtypes.PermissionDenied("eos: cannot upload under the virtual share folder")
}
if chunking.IsChunked(p) {
var assembledFile string
p, assembledFile, err = fs.chunkHandler.WriteChunk(p, r)
if err != nil {
return err
}
if p == "" {
return errtypes.PartialContent(ref.String())
}
fd, err := os.Open(assembledFile)
if err != nil {
return errors.Wrap(err, "eos: error opening assembled file")
}
defer fd.Close()
defer os.RemoveAll(assembledFile)
r = fd
}
fn := fs.wrap(ctx, p)
u, err := getUser(ctx)
if err != nil {
return errors.Wrap(err, "eos: no user in ctx")
}
// We need the auth corresponding to the parent directory
// as the file might not exist at the moment
auth, err := fs.getUserAuth(ctx, u, path.Dir(fn))
if err != nil {
return err
}
return fs.c.Write(ctx, auth, fn, r)
}
func (fs *eosfs) InitiateUpload(ctx context.Context, ref *provider.Reference, uploadLength int64, metadata map[string]string) (map[string]string, error) {
fn, _, err := fs.resolveRefAndGetAuth(ctx, ref)
if err != nil {
return nil, err
}
fn, err = fs.unwrap(ctx, fn)
if err != nil {
return nil, err
}
return map[string]string{
"simple": fn,
}, nil
}