104 lines
2.5 KiB
Go
104 lines
2.5 KiB
Go
package s3
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"io"
|
|
"path"
|
|
"strings"
|
|
|
|
"github.com/charmbracelet/log"
|
|
storconfig "github.com/krau/SaveAny-Bot/config/storage"
|
|
"github.com/krau/SaveAny-Bot/pkg/enums/ctxkey"
|
|
storenum "github.com/krau/SaveAny-Bot/pkg/enums/storage"
|
|
"github.com/krau/SaveAny-Bot/pkg/s3"
|
|
"github.com/rs/xid"
|
|
)
|
|
|
|
type S3 struct {
|
|
config storconfig.S3StorageConfig
|
|
client *s3.Client
|
|
logger *log.Logger
|
|
}
|
|
|
|
func (m *S3) Init(ctx context.Context, cfg storconfig.StorageConfig) error {
|
|
s3cfg, ok := cfg.(*storconfig.S3StorageConfig)
|
|
if !ok {
|
|
return fmt.Errorf("failed to cast s3 config")
|
|
}
|
|
if err := s3cfg.Validate(); err != nil {
|
|
return err
|
|
}
|
|
m.config = *s3cfg
|
|
m.logger = log.FromContext(ctx).WithPrefix(fmt.Sprintf("s3[%s]", m.config.Name))
|
|
client, err := s3.NewClient(&s3.Config{
|
|
Endpoint: m.config.Endpoint,
|
|
Region: m.config.Region,
|
|
AccessKeyID: m.config.AccessKeyID,
|
|
SecretAccessKey: m.config.SecretAccessKey,
|
|
BucketName: m.config.BucketName,
|
|
PathStyle: !m.config.VirtualHost,
|
|
})
|
|
if err != nil {
|
|
return fmt.Errorf("failed to create s3 client: %w", err)
|
|
}
|
|
m.client = client
|
|
|
|
// Check if bucket exists
|
|
if err := m.client.HeadBucket(ctx); err != nil {
|
|
return fmt.Errorf("bucket %s not accessible: %w", m.config.BucketName, err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (m *S3) Type() storenum.StorageType {
|
|
return storenum.S3
|
|
}
|
|
|
|
func (m *S3) Name() string {
|
|
return m.config.Name
|
|
}
|
|
|
|
func (m *S3) JoinStoragePath(p string) string {
|
|
return strings.TrimPrefix(path.Join(m.config.BasePath, p), "/")
|
|
}
|
|
|
|
func (m *S3) Save(ctx context.Context, r io.Reader, storagePath string) error {
|
|
m.logger.Infof("Saving file from reader to %s", storagePath)
|
|
|
|
ext := path.Ext(storagePath)
|
|
base := strings.TrimSuffix(storagePath, ext)
|
|
candidate := storagePath
|
|
|
|
// Unique filename
|
|
for i := 1; m.Exists(ctx, candidate); i++ {
|
|
candidate = fmt.Sprintf("%s_%d%s", base, i, ext)
|
|
if i > 100 {
|
|
m.logger.Errorf("Too many attempts for unique filename: %s", storagePath)
|
|
candidate = fmt.Sprintf("%s_%s%s", base, xid.New().String(), ext)
|
|
break
|
|
}
|
|
}
|
|
|
|
// Determine content length
|
|
size := int64(-1)
|
|
if length := ctx.Value(ctxkey.ContentLength); length != nil {
|
|
if l, ok := length.(int64); ok && l > 0 {
|
|
size = l
|
|
}
|
|
}
|
|
|
|
err := m.client.Put(ctx, candidate, r, size)
|
|
if err != nil {
|
|
return fmt.Errorf("failed to upload file to S3: %w", err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (m *S3) Exists(ctx context.Context, storagePath string) bool {
|
|
m.logger.Debugf("Checking if file exists at %s", storagePath)
|
|
|
|
return m.client.Exists(ctx, storagePath)
|
|
}
|