yunion.io/x/cloudmux@v0.3.10-0-alpha.1/pkg/multicloud/objectstore/object.go (about)

     1  // Copyright 2019 Yunion
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package objectstore
    16  
    17  import (
    18  	"context"
    19  	"net/http"
    20  	"strings"
    21  
    22  	"yunion.io/x/log"
    23  	"yunion.io/x/pkg/errors"
    24  	"yunion.io/x/s3cli"
    25  
    26  	"yunion.io/x/cloudmux/pkg/cloudprovider"
    27  )
    28  
    29  const (
    30  	META_HEADER = "X-Amz-Meta-"
    31  )
    32  
    33  type SObject struct {
    34  	bucket *SBucket
    35  
    36  	cloudprovider.SBaseCloudObject
    37  }
    38  
    39  func (o *SObject) GetIBucket() cloudprovider.ICloudBucket {
    40  	return o.bucket
    41  }
    42  
    43  func (o *SObject) GetAcl() cloudprovider.TBucketACLType {
    44  	acl, err := o.bucket.client.GetObjectAcl(o.bucket.Name, o.Key)
    45  	if err != nil {
    46  		if e, ok := errors.Cause(err).(s3cli.ErrorResponse); ok {
    47  			if e.Code == "NoSuchKey" || e.Message == "The specified key does not exist." {
    48  				objects, _ := o.bucket.ListObjects(o.Key, "", "", 1)
    49  				if len(objects.Objects) > 0 {
    50  					return cloudprovider.ACLPrivate
    51  				}
    52  			}
    53  		}
    54  		log.Errorf("o.bucket.client.GetObjectAcl error %s", err)
    55  		return cloudprovider.ACLPrivate
    56  	}
    57  	return acl
    58  }
    59  
    60  func (o *SObject) SetAcl(aclStr cloudprovider.TBucketACLType) error {
    61  	err := o.bucket.client.SetObjectAcl(o.bucket.Name, o.Key, aclStr)
    62  	if err != nil {
    63  		if strings.Contains(err.Error(), "not implemented") || strings.Contains(err.Error(), "Please use AWS4-HMAC-SHA256") {
    64  			// ignore not implemented error
    65  			return nil // cloudprovider.ErrNotImplemented
    66  		} else {
    67  			return errors.Wrap(err, "o.bucket.client.SetObjectAcl")
    68  		}
    69  	}
    70  	return nil
    71  }
    72  
    73  func (o *SObject) GetMeta() http.Header {
    74  	if o.Meta != nil {
    75  		return o.Meta
    76  	}
    77  	cli := o.bucket.client.S3Client()
    78  	objInfo, err := cli.StatObject(o.bucket.Name, o.Key, s3cli.StatObjectOptions{})
    79  	if err != nil {
    80  		log.Errorf("cli.statObject fail %s", err)
    81  		return nil
    82  	}
    83  	if len(objInfo.ContentType) > 0 {
    84  		objInfo.Metadata.Set(cloudprovider.META_HEADER_CONTENT_TYPE, objInfo.ContentType)
    85  	}
    86  	o.Meta = cloudprovider.FetchMetaFromHttpHeader(META_HEADER, objInfo.Metadata)
    87  	return o.Meta
    88  }
    89  
    90  func (o *SObject) SetMeta(ctx context.Context, meta http.Header) error {
    91  	return cloudprovider.ObjectSetMeta(ctx, o.bucket, o, meta)
    92  }