Remove unused file

src/acme_challenge.erl

@@ -1,144 +0,0 @@
--module(acme_challenge).
-
--export ([key_authorization/2,
-	  solve_challenge/3,
-	  process/2,
-	  register_hooks/1,
-	  unregister_hooks/1,
-	  acme_handler/3
-         ]).
-%% Challenge Types
-%% ================
-%% 1. http-01: https://tools.ietf.org/html/draft-ietf-acme-acme-05#section-7.2
-%% 2. dns-01: https://tools.ietf.org/html/draft-ietf-acme-acme-05#section-7.3
-%% 3. tls-sni-01: https://tools.ietf.org/html/draft-ietf-acme-acme-05#section-7.4
-%% 4. (?) oob-01:  https://tools.ietf.org/html/draft-ietf-acme-acme-05#section-7.5
-
--include("logger.hrl").
--include("xmpp.hrl").
--include("ejabberd_http.hrl").
--include("ejabberd_acme.hrl").
-
-%% This is the default endpoint for the http challenge
-%% This hooks is called from ejabberd_http
-acme_handler(Handlers, _Host, Request) ->
-    case Request#request.path of
-	[<<".well-known">>|_] ->
-	    [{[<<".well-known">>],acme_challenge}|Handlers];
-	_ ->
-	    Handlers
-    end.
-
-%% TODO: Maybe validate request here??
-process(LocalPath, _Request) ->
-    Result = ets_get_key_authorization(LocalPath),
-    {200, 
-     [{<<"Content-Type">>, <<"text/plain">>}], 
-     Result}. 
-
-register_hooks(_Domain) ->
-    ?INFO_MSG("Registering hook for ACME HTTP headers", []),
-    ejabberd_hooks:add(http_request_handlers, ?MODULE, acme_handler, 50).
-
-unregister_hooks(_Domain) ->
-    ?INFO_MSG("Unregistering hook for ACME HTTP headers", []),
-    ejabberd_hooks:delete(http_request_handlers, ?MODULE, acme_handler, 50).
-
--spec key_authorization(bitstring(), jose_jwk:key()) -> bitstring().
-key_authorization(Token, Key) ->
-    Thumbprint = jose_jwk:thumbprint(Key),
-    KeyAuthorization = erlang:iolist_to_binary([Token, <<".">>, Thumbprint]),
-    KeyAuthorization.
-
--spec parse_challenge({proplist()}) -> {ok, acme_challenge()} | {error, _}.
-parse_challenge(Challenge0) ->
-    try
-	{Challenge} = Challenge0,
-	{<<"type">>,Type} = proplists:lookup(<<"type">>, Challenge),
-	{<<"status">>,Status} = proplists:lookup(<<"status">>, Challenge),
-	{<<"uri">>,Uri} = proplists:lookup(<<"uri">>, Challenge),
-	{<<"token">>,Token} = proplists:lookup(<<"token">>, Challenge),
-	Res =
-	    #challenge{
-	       type = Type,
-	       status = list_to_atom(bitstring_to_list(Status)),
-	       uri = bitstring_to_list(Uri),
-	       token = Token
-	      },
-	{ok, Res}
-    catch
-	_:Error ->
-	    {error, Error}
-    end.
-
-
-
--spec solve_challenge(bitstring(), [{proplist()}], _) ->
-			     {ok, url(), bitstring()} | {error, _}.
-solve_challenge(ChallengeType, Challenges, Options) ->
-    ParsedChallenges = [parse_challenge(Chall) || Chall <- Challenges],
-    case lists:any(fun is_error/1, ParsedChallenges) of
-	true ->
-	    ?ERROR_MSG("Error parsing challenges: ~p~n", [Challenges]),
-	    {error, parse_challenge};
-	false ->
-	    case [C || {ok, C} <- ParsedChallenges, is_challenge_type(ChallengeType, C)] of
-		[Challenge] ->
-		    solve_challenge1(Challenge, Options);
-		_ ->
-		    ?ERROR_MSG("Challenge ~p not found in challenges: ~p~n", [ChallengeType, Challenges]),
-		    {error, not_found}
-	    end
-    end.
-
--spec solve_challenge1(acme_challenge(), {jose_jwk:key(), string()}) ->
-			      {ok, url(), bitstring()} | {error, _}.
-solve_challenge1(Chal = #challenge{type = <<"http-01">>, token=Tkn}, Key) ->
-    KeyAuthz = key_authorization(Tkn, Key),
-    %% save_key_authorization(Chal, Tkn, KeyAuthz, HttpDir);
-    ets_put_key_authorization(Tkn, KeyAuthz),
-    {ok, Chal#challenge.uri, KeyAuthz};
-solve_challenge1(Challenge, _Key) ->
-    ?ERROR_MSG("Unknown Challenge Type: ~p", [Challenge]),
-    {error, unknown_challenge}.
-
-
--spec ets_put_key_authorization(bitstring(), bitstring()) -> ok.
-ets_put_key_authorization(Tkn, KeyAuthz) ->
-    Tab = ets_get_acme_table(),
-    Key = [<<"acme-challenge">>, Tkn],
-    ets:insert(Tab, {Key, KeyAuthz}),
-    ok.
- 
--spec ets_get_key_authorization([bitstring()]) -> bitstring().
-ets_get_key_authorization(Key) ->
-    Tab = ets_get_acme_table(),
-    case ets:lookup(Tab, Key) of
-	[{Key, KeyAuthz}] ->
-	    ets:delete(Tab, Key),
-	    KeyAuthz;
-	_ ->
-	    ?ERROR_MSG("Unable to serve key authorization in: ~p", [Key]),
-	    <<"">>
-    end.
-
--spec ets_get_acme_table() -> atom().
-ets_get_acme_table() ->
-    case ets:info(acme) of
-	undefined ->
-	    ets:new(acme, [named_table, public]);
-	_ ->
-	    acme
-    end.
-
-%% Useful functions
-
-is_challenge_type(DesiredType, #challenge{type = Type}) when DesiredType =:= Type ->
-    true;
-is_challenge_type(_DesiredType, #challenge{type = _Type}) ->
-    false.
-
--spec is_error({'error', _}) -> 'true';
-	      ({'ok', _}) -> 'false'.
-is_error({error, _}) -> true;
-is_error(_) -> false.