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Add aws_rds_iam_token utlity module for creating rds iam tokens for a…
…uthenticating over IAM towards RDS or Aurora
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-module(aws_rds_iam_token). | ||
-export([create/4]). | ||
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-define(SIGNING_ID, <<"rds-db">>). | ||
-define(EMPTY_PAYLOAD_HASH, <<"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855">>). | ||
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%%==================================================================== | ||
%% API | ||
%%==================================================================== | ||
create(Client, DbEndpoint, DbPort, DbUser) -> | ||
Method = <<"GET">>, | ||
QueryParams = [{<<"Action">>, <<"connect">>}, {<<"DbUser">>, DbUser}], | ||
Endpoint = <<"https://", DbEndpoint/binary, ":", (integer_to_binary(DbPort))/binary>>, | ||
Url = aws_request:add_query(Endpoint, QueryParams), | ||
AccessKeyID = aws_client:access_key_id(Client), | ||
SecretAccessKey = aws_client:secret_access_key(Client), | ||
Region = aws_client:region(Client), | ||
Now = calendar:universal_time(), | ||
Options = [ {ttl, timer:minutes(15) / 1000} %% Time in seconds | ||
, {body_digest, ?EMPTY_PAYLOAD_HASH} | ||
, {uri_encode_path, false} %% We already encode in build_path/4 | ||
], | ||
SignedUrl = aws_signature:sign_v4_query_params(AccessKeyID, SecretAccessKey, Region, ?SIGNING_ID, Now, Method, Url, Options), | ||
{ok, SignedUrl}. | ||
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%%==================================================================== | ||
%% Unit tests | ||
%%==================================================================== | ||
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-ifdef(TEST). | ||
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-include_lib("eunit/include/eunit.hrl"). | ||
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fetch_auth_token_test() -> | ||
ok. | ||
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-endif. |