From fa00e853d17b40d9112cb856ca1f08dfe8500f20 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Fri, 26 May 2017 18:01:41 +0300
Subject: Store result request challenge as binary value

---
 libbbot/manifest.cxx | 12 ++++++++++--
 libbbot/manifest.hxx |  4 ++--
 2 files changed, 12 insertions(+), 4 deletions(-)

(limited to 'libbbot')

diff --git a/libbbot/manifest.cxx b/libbbot/manifest.cxx
index 06399f2..02a5b05 100644
--- a/libbbot/manifest.cxx
+++ b/libbbot/manifest.cxx
@@ -14,6 +14,7 @@
 #include <cstdint>   // uint64_t
 #include <stdexcept> // invalid_argument
 
+#include <libbutl/base64.hxx>
 #include <libbutl/utility.hxx>             // digit()
 #include <libbutl/tab-parser.hxx>
 #include <libbutl/string-parser.hxx>
@@ -999,7 +1000,14 @@ namespace bbot
         if (v.empty ())
           bad_value ("empty result request challenge");
 
-        challenge = move (v);
+        try
+        {
+          challenge = base64_decode (v);
+        }
+        catch (const invalid_argument&)
+        {
+          bad_value ("invalid result request challenge");
+        }
       }
       else if (!iu)
         bad_name ("unknown name '" + n + "' in result request manifest");
@@ -1034,7 +1042,7 @@ namespace bbot
     s.next ("session", session);
 
     if (challenge)
-      s.next ("challenge", *challenge);
+      s.next ("challenge", base64_encode (*challenge));
 
     s.next ("", ""); // End of manifest.
 
diff --git a/libbbot/manifest.hxx b/libbbot/manifest.hxx
index 4ae8b26..b981ab4 100644
--- a/libbbot/manifest.hxx
+++ b/libbbot/manifest.hxx
@@ -296,12 +296,12 @@ namespace bbot
 
     // The answer to challenge in the task response.
     //
-    butl::optional<std::string> challenge;
+    butl::optional<std::vector<char>> challenge;
 
     result_manifest result;
 
     result_request_manifest (std::string s,
-                             butl::optional<std::string> c,
+                             butl::optional<std::vector<char>> c,
                              result_manifest r)
         : session (std::move (s)),
           challenge (std::move (c)),
-- 
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