From 6febc30a55d427f709da15181dadfc65fc2d0afd Mon Sep 17 00:00:00 2001
From: Linus Nordberg <linus@nordu.net>
Date: Tue, 20 May 2014 16:07:07 +0200
Subject: Don't crash when reporting bad input to add-chain.

---
 src/v1.erl | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/v1.erl b/src/v1.erl
index 2814cb6..8fa1040 100644
--- a/src/v1.erl
+++ b/src/v1.erl
@@ -21,7 +21,7 @@ add_chain(SessionID, _Env, Input) ->
                        {signature,
                         base64:encode(
                           list_to_binary(plop:serialise(SPT#spt.signature)))}],
-                  jiffy:encode({R});
+                  binary_to_list(jiffy:encode({R}));
               _ -> html("add-chain: missing input: chain; see RFC 6962", Input)
           end,
     deliver(SessionID, Res).
@@ -40,7 +40,7 @@ get_sth(SessionID, _Env, _Input) ->
          {sha256_root_hash, base64:encode(Roothash)},
          {tree_head_signature, base64:encode(
                                  list_to_binary(plop:serialise(Signature)))}],
-    deliver(SessionID, jiffy:encode({R})).
+    deliver(SessionID, binary_to_list(jiffy:encode({R}))).
 
 get_sth_consistency(SessionID, _Env, _Input) ->
     niy(SessionID).
@@ -53,7 +53,7 @@ get_entry_and_proof(SessionID, _Env, _Input) ->
 
 get_roots(SessionID, _Env, _Input) ->
     R = [{certificates, []}],                   % NIY.
-    deliver(SessionID, jiffy:encode({R})).
+    deliver(SessionID, binary_to_list(jiffy:encode({R}))).
 
 %% For testing. FIXME: Remove.
 hello(SessionID, Env, Input) ->
@@ -79,5 +79,6 @@ html(Text, Input) ->
 niy(S) ->
     mod_esi:deliver(S, html("NIY - Not Yet Implemented|", [])).
 
+-spec deliver(any(), string()) -> ok | {error, _Reason}.
 deliver(Session, Data) ->
-    mod_esi:deliver(Session, binary_to_list(Data)).
+    mod_esi:deliver(Session, Data).
-- 
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