From fc2c85b579bb56952ff751ce918170ed389b9651 Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <rekado@elephly.net>
Date: Tue, 7 Jul 2020 20:24:26 +0200
Subject: aws/request: make-operation->request: Define PAYLOAD-HASH.

* aws/request.scm (make-operation->request)[payload-hash]: New
variable definition.
---
 aws/request.scm | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'aws/request.scm')

diff --git a/aws/request.scm b/aws/request.scm
index abaabb7..faa5e0d 100644
--- a/aws/request.scm
+++ b/aws/request.scm
@@ -154,6 +154,9 @@
                           (serialize-aws-value input))
                    "&"))
 
+    (define payload-hash
+      (hexify (sha256 (string->utf8 request-parameters))))
+
     (define now (current-date 0))
     (define amz-date
       (date->string now "~Y~m~dT~H~M~SZ"))
@@ -202,8 +205,7 @@
                                  canonical-querystring
                                  canonical-headers
                                  signed-headers
-                                 ;; The payload hash
-                                 (hexify (sha256 (string->utf8 request-parameters))))
+                                 payload-hash)
                            "\n"))
              (credential-scope
               (string-join (list date-stamp
-- 
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