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|
-module(lgn_sign_in).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% TYPES %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-record
(
input,
{
username :: binary(),
password :: binary()
}
).
-record
(
query_state,
{
player_id :: shr_player:id(),
player :: shr_player:type()
}
).
-type input() :: #input{}.
-type query_state() :: #query_state{}.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% EXPORTS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-export([out/1]).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% LOCAL FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-spec parse_input (shr_query:type()) -> input().
parse_input (Query) ->
JSONReqMap = shr_query:get_params(Query),
Username = maps:get(<<"usr">>, JSONReqMap),
Password = maps:get(<<"pwd">>, JSONReqMap),
#input
{
username = string:lowercase(Username),
password = Password
}.
-spec fetch_data (input()) -> query_state().
fetch_data (Input) ->
Username = Input#input.username,
% Having this be cached my be both useless and a security issue.
PlayerID = shr_timed_cache:fetch(login_db, ataxia_security:any(), Username),
Player = shr_timed_cache:fetch(player_db, ataxia_security:any(), PlayerID),
#query_state
{
player_id = PlayerID,
player = Player
}.
-spec update_data (query_state(), input()) -> query_state().
update_data (QueryState, Input) ->
InputPassword = Input#input.password,
Player = QueryState#query_state.player,
true = (shr_player:password_is(InputPassword, Player)),
S0Player = shr_player:new_token(Player),
S1Player = shr_player:refresh_active(S0Player),
QueryState#query_state
{
player = S1Player
}.
-spec commit_update (query_state()) -> 'ok'.
commit_update (QueryState) ->
PlayerID = QueryState#query_state.player_id,
UpdatedPlayer = QueryState#query_state.player,
NewToken = shr_player:get_token(UpdatedPlayer),
NewActiveTime = shr_player:get_last_active(UpdatedPlayer),
ok =
ataxia_client:update
(
player_db,
ataxia_security:user_from_id(PlayerID),
ataxic:update_value
(
ataxic:sequence
(
[
ataxic:update_field
(
shr_player:get_token_field(),
ataxic:constant(NewToken)
),
ataxic:update_field
(
shr_player:get_last_active_field(),
ataxic:constant(NewActiveTime)
)
]
)
),
PlayerID
),
shr_timed_cache:update
(
player_db,
ataxia_security:any(),
PlayerID,
UpdatedPlayer
),
'ok'.
-spec generate_reply(query_state()) -> binary().
generate_reply (QueryState) ->
Player = QueryState#query_state.player,
PlayerID = QueryState#query_state.player_id,
SetSession = lgn_set_session:generate(PlayerID, Player),
Output = jiffy:encode([SetSession]),
Output.
-spec handle (shr_query:type()) -> binary().
handle (Query) ->
Input = parse_input(Query),
QueryState = fetch_data(Input),
Update = update_data(QueryState, Input),
commit_update(Update),
generate_reply(Update).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% EXPORTED FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
out(A) ->
{
content,
"application/json; charset=UTF-8",
handle(shr_query:new(A))
}.
|
