fix: s3 upload exceeded total allowed configured MaxUploadParts (close #5909)

drivers/123/driver.go

@@ -6,6 +6,10 @@ import (
 	"encoding/base64"
 	"encoding/hex"
 	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+
 	"github.com/alist-org/alist/v3/drivers/base"
 	"github.com/alist-org/alist/v3/internal/driver"
 	"github.com/alist-org/alist/v3/internal/errs"
@@ -17,9 +21,6 @@ import (
 	"github.com/aws/aws-sdk-go/service/s3/s3manager"
 	"github.com/go-resty/resty/v2"
 	log "github.com/sirupsen/logrus"
-	"io"
-	"net/http"
-	"net/url"
 )
 
 type Pan123 struct {
@@ -232,6 +233,9 @@ func (d *Pan123) Put(ctx context.Context, dstDir model.Obj, stream model.FileStr
 			return err
 		}
 		uploader := s3manager.NewUploader(s)
+		if stream.GetSize() > s3manager.MaxUploadParts*s3manager.DefaultUploadPartSize {
+			uploader.PartSize = stream.GetSize() / (s3manager.MaxUploadParts - 1)
+		}
 		input := &s3manager.UploadInput{
 			Bucket: &resp.Data.Bucket,
 			Key:    &resp.Data.Key,