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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| package storage | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "io" | ||
|
|
||
| "github.com/aws/aws-sdk-go-v2/aws" | ||
| "github.com/aws/aws-sdk-go-v2/config" | ||
| "github.com/aws/aws-sdk-go-v2/credentials" | ||
| "github.com/aws/aws-sdk-go-v2/service/s3" | ||
| ) | ||
|
|
||
| type S3Storage struct { | ||
| bucket string | ||
| client *s3.Client | ||
| } | ||
|
|
||
| // S3 (互換) オブジェクトストレージをカレントストレージに設定する | ||
| func SetS3Storage(bucket, region, endpoint, apiKey, apiSecret string) error { | ||
| cfg, err := config.LoadDefaultConfig(context.Background(), | ||
| config.WithRegion(region), | ||
| config.WithCredentialsProvider(credentials.NewStaticCredentialsProvider(apiKey, apiSecret, "")), | ||
| ) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to load configuration: %w", err) | ||
| } | ||
|
|
||
| client := s3.NewFromConfig(cfg, func(o *s3.Options) { | ||
| o.UsePathStyle = true | ||
| o.BaseEndpoint = &endpoint | ||
| }) | ||
|
|
||
| current = &S3Storage{ | ||
| bucket: bucket, | ||
| client: client, | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (s *S3Storage) Save(filename string, src io.Reader) error { | ||
| input := &s3.PutObjectInput{ | ||
| Bucket: aws.String(s.bucket), | ||
| Key: aws.String(filename), | ||
| Body: src, | ||
| } | ||
|
|
||
| _, err := s.client.PutObject(context.Background(), input) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to put object: %w", err) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (s *S3Storage) Open(filename string) (io.ReadCloser, error) { | ||
| input := &s3.GetObjectInput{ | ||
| Bucket: aws.String(s.bucket), | ||
| Key: aws.String(filename), | ||
| } | ||
|
|
||
| output, err := s.client.GetObject(context.Background(), input) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to get object: %w", err) | ||
| } | ||
|
|
||
| return output.Body, nil | ||
| } | ||
|
|
||
| func (s *S3Storage) Delete(filename string) error { | ||
| input := &s3.DeleteObjectInput{ | ||
| Bucket: aws.String(s.bucket), | ||
| Key: aws.String(filename), | ||
| } | ||
|
|
||
| _, err := s.client.DeleteObject(context.Background(), input) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to delete object: %w", err) | ||
| } | ||
|
|
||
| return nil | ||
| } |
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