-module(v1).
-export([add_chain/3, add_pre_chain/3, get_sth/3,
get_sth_consistency/3, get_proof_by_hash/3, get_entries/3,
get_roots/3, get_entry_and_proof/3]).
-export([hello/3]).
-include("$CTROOT/plop/include/plop.hrl").
-define(PROTOCOL_VERSION, 0).
%% Public functions.
add_chain(SessionID, _Env, Input) ->
Res = case (catch jiffy:decode(Input)) of
{error, E} -> html("add-chain: bad input; see RFC 6962", E);
{[{<<"chain">>, Chain}]} ->
Entry = #plop_entry{type = x509,
data = list_to_binary(Chain)},
SPT = plop:add(#timestamped_entry{entry = Entry}),
R = [{sct_version, ?PROTOCOL_VERSION},
{id, base64:encode(SPT#spt.logid)},
{timestamp, SPT#spt.timestamp},
{extensions, base64:encode("")},
{signature,
base64:encode(
list_to_binary(plop:serialise(SPT#spt.signature)))}],
binary_to_list(jiffy:encode({R}));
_ -> html("add-chain: missing input: chain; see RFC 6962", Input)
end,
deliver(SessionID, Res).
add_pre_chain(SessionID, _Env, _Input) ->
niy(SessionID).
get_sth(SessionID, _Env, _Input) ->
#sth{
treesize = Treesize,
timestamp = Timestamp,
roothash = Roothash,
signature = Signature} = plop:sth(),
R = [{tree_size, Treesize},
{timestamp, Timestamp},
{sha256_root_hash, base64:encode(Roothash)},
{tree_head_signature, base64:encode(
list_to_binary(plop:serialise(Signature)))}],
deliver(SessionID, binary_to_list(jiffy:encode({R}))).
get_sth_consistency(SessionID, _Env, _Input) ->
niy(SessionID).
get_proof_by_hash(SessionID, _Env, _Input) ->
niy(SessionID).
get_entries(SessionID, _Env, _Input) ->
niy(SessionID).
get_entry_and_proof(SessionID, _Env, _Input) ->
niy(SessionID).
get_roots(SessionID, _Env, _Input) ->
R = [{certificates, []}], % NIY.
deliver(SessionID, binary_to_list(jiffy:encode({R}))).
%% For testing. FIXME: Remove.
hello(SessionID, Env, Input) ->
Query = httpd:parse_query(Input),
mod_esi:deliver(SessionID, io_lib:format(
"Content-Type: text/html\r\n\r\n" ++
"hello again, erlang world" ++
"SessionID: ~p~n" ++
"
Env: ~p~n" ++
"
Input, raw: ~p~n" ++
"
Input, parsed: ~p~n" ++
"", [SessionID, Env, Input, Query])).
%% Private functions.
html(Text, Input) ->
io_lib:format(
"Content-Type: text/html\r\n\r\n" ++
"
~n" ++
"~s~n" ++
"~p~n" ++
"~n", [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, Data).