fix: support standard HTTP headers in S3 multipart upload (#7884)

Co-authored-by: Chris Lu <chris.lu@gmail.com>

weed/s3api/s3_metadata_util.go

@@ -34,6 +34,25 @@ func ParseS3Metadata(r *http.Request, existing map[string][]byte, isReplace bool
 		metadata["Content-Encoding"] = []byte(ce)
 	}
 
+	// Other Standard HTTP headers defined in https://docs.aws.amazon.com/AmazonS3/latest/API/API_CreateMultipartUpload.html
+	standardHeaders := []string{
+		"Cache-Control",
+		"Content-Disposition",
+		"Content-Language",
+		"Expires",
+	}
+	for _, header := range standardHeaders {
+		if value := r.Header.Get(header); value != "" {
+			metadata[header] = []byte(value)
+		}
+	}
+
+	// Handle Response-Content-Disposition (used in presigned URLs)
+	// This should be stored as Content-Disposition
+	if rcd := r.Header.Get("Response-Content-Disposition"); rcd != "" {
+		metadata["Content-Disposition"] = []byte(rcd)
+	}
+
 	// Object tagging
 	if tags := r.Header.Get(s3_constants.AmzObjectTagging); tags != "" {
 		// Use url.ParseQuery for robust parsing and automatic URL decoding

weed/s3api/s3api_object_handlers_multipart.go

@@ -12,10 +12,12 @@ import (
 	"net/url"
 	"strconv"
 	"strings"
+	"time"
 
 	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/service/s3"
 	"github.com/google/uuid"
+	"github.com/pquerna/cachecontrol/cacheobject"
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
 	"github.com/seaweedfs/seaweedfs/weed/s3api/s3_constants"
@@ -64,6 +66,22 @@ func (s3a *S3ApiServer) NewMultipartUploadHandler(w http.ResponseWriter, r *http
 		return
 	}
 
+	// Validate Cache-Control header format if present
+	if r.Header.Get("Cache-Control") != "" {
+		if _, err := cacheobject.ParseRequestCacheControl(r.Header.Get("Cache-Control")); err != nil {
+			s3err.WriteErrorResponse(w, r, s3err.ErrInvalidDigest)
+			return
+		}
+	}
+
+	// Validate Expires header format if present
+	if r.Header.Get("Expires") != "" {
+		if _, err := time.Parse(http.TimeFormat, r.Header.Get("Expires")); err != nil {
+			s3err.WriteErrorResponse(w, r, s3err.ErrMalformedDate)
+			return
+		}
+	}
+
 	createMultipartUploadInput := &s3.CreateMultipartUploadInput{
 		Bucket:   aws.String(bucket),
 		Key:      objectKey(aws.String(object)),