From: Radoslaw Zarzynski <rzarzynski@mirantis.com>
Date: Fri, 21 Apr 2017 15:34:05 +0000 (+0200)
Subject: rgw: implement rgw::auth::s3::is_v4_payload_empty.
X-Git-Tag: v12.1.0~155^2~33
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=47d014c1bdd2256569d9d7d441084941a64e896e;p=ceph.git

rgw: implement rgw::auth::s3::is_v4_payload_empty.

Signed-off-by: Radoslaw Zarzynski <rzarzynski@mirantis.com>
---

diff --git a/src/rgw/rgw_auth_s3.h b/src/rgw/rgw_auth_s3.h
index 95e1acecc543..14ae5ae2f387 100644
--- a/src/rgw/rgw_auth_s3.h
+++ b/src/rgw/rgw_auth_s3.h
@@ -215,6 +215,17 @@ static inline bool is_v4_payload_unsigned(const char* const exp_payload_hash)
   return boost::string_ref("UNSIGNED-PAYLOAD").compare(exp_payload_hash) == 0;
 }
 
+static inline bool is_v4_payload_empty(const req_state* const s)
+{
+  /* from rfc2616 - 4.3 Message Body
+   *
+   * "The presence of a message-body in a request is signaled by the inclusion
+   * of a Content-Length or Transfer-Encoding header field in the request's
+   * message-headers." */
+  return s->content_length == 0 &&
+         s->info.env->get("HTTP_TRANSFER_ENCODING") == nullptr;
+}
+
 static inline bool is_v4_payload_streamed(const char* const exp_payload_hash)
 {
   return boost::string_ref("STREAMING-AWS4-HMAC-SHA256-PAYLOAD").compare(exp_payload_hash) == 0;