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%% Vendored from hex_core v0.5.0, do not edit manually
-module(r3_hex_repo).
-export([
get_names/1,
get_versions/1,
get_package/2,
get_tarball/3
]).
%%====================================================================
%% API functions
%%====================================================================
%% @doc
%% Gets names resource from the repository.
%%
%% Examples:
%%
%% ```
%% > r3_hex_repo:get_names(r3_hex_core:default_config()).
%% {ok, {200, ...,
%% [
%% #{name => <<"package1">>},
%% #{name => <<"package2">>},
%% ]}}
%% '''
%% @end
get_names(Config) when is_map(Config) ->
Verify = maps:get(repo_verify_origin, Config, true),
Decoder = fun(Data) ->
case Verify of
true -> r3_hex_registry:decode_names(Data, repo_name(Config));
false -> r3_hex_registry:decode_names(Data, no_verify)
end
end,
get_protobuf(Config, <<"names">>, Decoder).
%% @doc
%% Gets versions resource from the repository.
%%
%% Examples:
%%
%% ```
%% > r3_hex_repo:get_versions(Config).
%% {ok, {200, ...,
%% [
%% #{name => <<"package1">>, retired => [],
%% versions => [<<"1.0.0">>]},
%% #{name => <<"package2">>, retired => [<<"0.5.0>>"],
%% versions => [<<"0.5.0">>, <<"1.0.0">>]},
%% ]}}
%% '''
%% @end
get_versions(Config) when is_map(Config) ->
Verify = maps:get(repo_verify_origin, Config, true),
Decoder = fun(Data) ->
case Verify of
true -> r3_hex_registry:decode_versions(Data, repo_name(Config));
false -> r3_hex_registry:decode_versions(Data, no_verify)
end
end,
get_protobuf(Config, <<"versions">>, Decoder).
%% @doc
%% Gets package resource from the repository.
%%
%% Examples:
%%
%% ```
%% > r3_hex_repo:get_package(r3_hex_core:default_config(), <<"package1">>).
%% {ok, {200, ...,
%% {
%% #{checksum => ..., version => <<"0.5.0">>, dependencies => []},
%% #{checksum => ..., version => <<"1.0.0">>, dependencies => [
%% #{package => <<"package2">>, optional => true, requirement => <<"~> 0.1">>}
%% ]},
%% ]}}
%% '''
%% @end
get_package(Config, Name) when is_binary(Name) and is_map(Config) ->
Verify = maps:get(repo_verify_origin, Config, true),
Decoder = fun(Data) ->
case Verify of
true -> r3_hex_registry:decode_package(Data, repo_name(Config), Name);
false -> r3_hex_registry:decode_package(Data, no_verify, no_verify)
end
end,
get_protobuf(Config, <<"packages/", Name/binary>>, Decoder).
%% @doc
%% Gets tarball from the repository.
%%
%% Examples:
%%
%% ```
%% > {ok, {200, _, Tarball}} = r3_hex_repo:get_tarball(<<"package1">>, <<"1.0.0">>, r3_hex_core:default_config()),
%% > {ok, #{metadata := Metadata}} = r3_hex_tarball:unpack(Tarball, memory).
%% '''
%% @end
get_tarball(Config, Name, Version) ->
ReqHeaders = make_headers(Config),
case get(Config, tarball_url(Config, Name, Version), ReqHeaders) of
{ok, {200, RespHeaders, Tarball}} ->
{ok, {200, RespHeaders, Tarball}};
Other ->
Other
end.
%%====================================================================
%% Internal functions
%%====================================================================
get(Config, URI, Headers) ->
r3_hex_http:request(Config, get, URI, Headers, undefined).
get_protobuf(Config, Path, Decoder) ->
PublicKey = maps:get(repo_public_key, Config),
ReqHeaders = make_headers(Config),
case get(Config, build_url(Config, Path), ReqHeaders) of
{ok, {200, RespHeaders, Compressed}} ->
Signed = zlib:gunzip(Compressed),
case decode(Signed, PublicKey, Decoder, Config) of
{ok, Decoded} ->
{ok, {200, RespHeaders, Decoded}};
{error, _} = Error ->
Error
end;
Other ->
Other
end.
decode(Signed, PublicKey, Decoder, Config) ->
Verify = maps:get(repo_verify, Config, true),
case Verify of
true ->
case r3_hex_registry:decode_and_verify_signed(Signed, PublicKey) of
{ok, Payload} ->
Decoder(Payload);
Other ->
Other
end;
false ->
#{payload := Payload} = r3_hex_registry:decode_signed(Signed),
Decoder(Payload)
end.
repo_name(#{repo_organization := Name}) when is_binary(Name) -> Name;
repo_name(#{repo_name := Name}) when is_binary(Name) -> Name.
tarball_url(Config, Name, Version) ->
Filename = tarball_filename(Name, Version),
build_url(Config, <<"tarballs/", Filename/binary>>).
build_url(#{repo_url := URI, repo_organization := Org}, Path) when is_binary(Org) ->
<<URI/binary, "/repos/", Org/binary, "/", Path/binary>>;
build_url(#{repo_url := URI, repo_organization := undefined}, Path) ->
<<URI/binary, "/", Path/binary>>.
tarball_filename(Name, Version) ->
<<Name/binary, "-", Version/binary, ".tar">>.
make_headers(Config) ->
maps:fold(fun set_header/3, #{}, Config).
set_header(http_etag, ETag, Headers) when is_binary(ETag) -> maps:put(<<"if-none-match">>, ETag, Headers);
set_header(repo_key, Token, Headers) when is_binary(Token) -> maps:put(<<"authorization">>, Token, Headers);
set_header(_, _, Headers) -> Headers.
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