rebar3/src/vendored/r3_hex_http.erl

54 lines
2.2 KiB
Erlang

%% Vendored from hex_core v0.7.1, do not edit manually
-module(r3_hex_http).
-export([request/5]).
-ifdef(TEST).
-export([user_agent/1]).
-endif.
-include_lib("r3_hex_core.hrl").
-type method() :: get | post | put | patch | delete.
-type status() :: non_neg_integer().
-export_type([status/0]).
-type headers() :: #{binary() => binary()}.
-export_type([headers/0]).
-type body() :: {ContentType :: binary(), Body :: binary()} | undefined.
-type adapter_config() :: map().
-callback request(method(), URI :: binary(), headers(), body(), adapter_config()) ->
{ok, status(), headers(), binary()} |
{error, term()}.
-spec request(r3_hex_core:config(), method(), URI :: binary(), headers(), body()) ->
{ok, {status(), headers(), binary()}} | {error, term()}.
request(Config, Method, URI, Headers, Body) when is_binary(URI) and is_map(Headers) ->
{Adapter, AdapterConfig} = case maps:get(http_adapter, Config, {r3_hex_http_httpc, #{}}) of
{Adapter0, AdapterConfig0} ->
{Adapter0, AdapterConfig0};
%% TODO: remove in v0.9
Adapter0 when is_atom(Adapter0) ->
AdapterConfig0 = maps:get(http_adapter_config, Config, #{}),
io:format("[r3_hex_http] setting #{http_adapter => Module, http_adapter_config => Map} "
"is deprecated in favour of #{http_adapter => {Module, Map}}~n"),
{Adapter0, AdapterConfig0}
end,
UserAgentFragment = maps:get(http_user_agent_fragment, Config),
Headers2 = put_new(<<"user-agent">>, user_agent(UserAgentFragment), Headers),
Adapter:request(Method, URI, Headers2, Body, AdapterConfig).
user_agent(UserAgentFragment) ->
OTPRelease = erlang:system_info(otp_release),
ERTSVersion = erlang:system_info(version),
OTPString = " (OTP/" ++ OTPRelease ++ ") (erts/" ++ ERTSVersion ++ ")",
iolist_to_binary(["hex_core/", ?HEX_CORE_VERSION, " ", UserAgentFragment, OTPString]).
%%====================================================================
%% Internal functions
%%====================================================================
put_new(Key, Value, Map) ->
case maps:find(Key, Map) of
{ok, _} -> Map;
error -> maps:put(Key, Value, Map)
end.