Files
kubesphere/pkg/simple/client/s3/s3.go
2021-03-30 13:44:24 +08:00

127 lines
3.1 KiB
Go

/*
Copyright 2020 KubeSphere Authors
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.
*/
package s3
import (
"fmt"
"io"
"time"
"code.cloudfoundry.org/bytefmt"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/credentials"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/s3"
"github.com/aws/aws-sdk-go/service/s3/s3manager"
"k8s.io/klog"
)
type Client struct {
s3Client *s3.S3
s3Session *session.Session
bucket string
}
func (s *Client) Upload(key, fileName string, body io.Reader) error {
uploader := s3manager.NewUploader(s.s3Session, func(uploader *s3manager.Uploader) {
uploader.PartSize = 5 * bytefmt.MEGABYTE
uploader.LeavePartsOnError = true
})
_, err := uploader.Upload(&s3manager.UploadInput{
Bucket: aws.String(s.bucket),
Key: aws.String(key),
Body: body,
ContentDisposition: aws.String(fmt.Sprintf("attachment; filename=\"%s\"", fileName)),
})
return err
}
func (s *Client) Read(key string) ([]byte, error) {
downloader := s3manager.NewDownloader(s.s3Session)
writer := aws.NewWriteAtBuffer([]byte{})
_, err := downloader.Download(writer,
&s3.GetObjectInput{
Bucket: aws.String(s.bucket),
Key: aws.String(key),
})
if err != nil {
return nil, err
}
return writer.Bytes(), nil
}
func (s *Client) GetDownloadURL(key string, fileName string) (string, error) {
req, _ := s.s3Client.GetObjectRequest(&s3.GetObjectInput{
Bucket: aws.String(s.bucket),
Key: aws.String(key),
ResponseContentDisposition: aws.String(fmt.Sprintf("attachment; filename=\"%s\"", fileName)),
})
return req.Presign(5 * time.Minute)
}
func (s *Client) Delete(key string) error {
_, err := s.s3Client.DeleteObject(
&s3.DeleteObjectInput{Bucket: aws.String(s.bucket),
Key: aws.String(key),
})
if err != nil {
return err
}
return nil
}
func NewS3Client(options *Options) (Interface, error) {
cred := credentials.NewStaticCredentials(options.AccessKeyID, options.SecretAccessKey, options.SessionToken)
config := aws.Config{
Region: aws.String(options.Region),
Endpoint: aws.String(options.Endpoint),
DisableSSL: aws.Bool(options.DisableSSL),
S3ForcePathStyle: aws.Bool(options.ForcePathStyle),
Credentials: cred,
}
s, err := session.NewSession(&config)
if err != nil {
klog.Error(err)
return nil, err
}
var c Client
c.s3Client = s3.New(s)
c.s3Session = s
c.bucket = options.Bucket
return &c, nil
}
func (s *Client) Client() *s3.S3 {
return s.s3Client
}
func (s *Client) Session() *session.Session {
return s.s3Session
}
func (s *Client) Bucket() *string {
return aws.String(s.bucket)
}