1 files changed, 39 insertions, 0 deletions
diff --git a/workhorse/internal/upstream/handlers.go b/workhorse/internal/upstream/handlers.go
new file mode 100644
index 00000000000..a6aa148a4ae
--- /dev/null
+++ b/workhorse/internal/upstream/handlers.go
@@ -0,0 +1,39 @@
+package upstream
+
+import (
+	"compress/gzip"
+	"fmt"
+	"io"
+	"net/http"
+
+	"gitlab.com/gitlab-org/gitlab-workhorse/internal/helper"
+)
+
+func contentEncodingHandler(h http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		var body io.ReadCloser
+		var err error
+
+		// The client request body may have been gzipped.
+		contentEncoding := r.Header.Get("Content-Encoding")
+		switch contentEncoding {
+		case "":
+			body = r.Body
+		case "gzip":
+			body, err = gzip.NewReader(r.Body)
+		default:
+			err = fmt.Errorf("unsupported content encoding: %s", contentEncoding)
+		}
+
+		if err != nil {
+			helper.Fail500(w, r, fmt.Errorf("contentEncodingHandler: %v", err))
+			return
+		}
+		defer body.Close()
+
+		r.Body = body
+		r.Header.Del("Content-Encoding")
+
+		h.ServeHTTP(w, r)
+	})
+}