Add Expires to PutObject opts (#1900)

Author: vadmeste

.github/workflows/vulncheck.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go-version: [ 1.21.0 ]
+        go-version: [ 1.21.4 ]
     steps:
     - name: Check out code into the Go module directory
       uses: actions/checkout@v3

api-put-object.go

@@ -77,6 +77,7 @@ type PutObjectOptions struct {
 	ContentDisposition      string
 	ContentLanguage         string
 	CacheControl            string
+	Expires                 time.Time
 	Mode                    RetentionMode
 	RetainUntilDate         time.Time
 	ServerSideEncryption    encrypt.ServerSide
@@ -153,6 +154,10 @@ func (opts PutObjectOptions) Header() (header http.Header) {
 		header.Set("Cache-Control", opts.CacheControl)
 	}
 
+	if !opts.Expires.IsZero() {
+		header.Set("Expires", opts.Expires.UTC().Format(http.TimeFormat))
+	}
+
 	if opts.Mode != "" {
 		header.Set(amzLockMode, opts.Mode.String())
 	}