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|
-module(shr_player).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% TYPES %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-type id() :: ataxia_id:type().
-record
(
player,
{
username :: binary(),
% {salt(crypto:strong_rand_bytes(128)), hash(sha384)}
password :: {binary(), binary()},
token :: binary(), % salt(crypto:strong_rand_bytes(512))
email :: binary(),
last_active :: integer(),
maps :: orddict:orddict(non_neg_integer(), shr_map_summary:type()),
campaigns :: orddict:orddict(non_neg_integer(), shr_battle_summary:type()),
invasions :: orddict:orddict(non_neg_integer(), shr_battle_summary:type()),
events :: orddict:orddict(non_neg_integer(), shr_battle_summary:type()),
roster_id :: binary(),
inventory_id :: binary()
}
).
-opaque type() :: #player{}.
-export_type([type/0, id/0]).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% EXPORTS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-export
(
[
new/3
]
).
%%%% Accessors
-export
(
[
get_username/1,
get_password/1,
get_token/1,
get_email/1,
get_last_active/1,
get_map_summaries/1,
get_campaign_summaries/1,
get_invasion_summaries/1,
get_event_summaries/1,
get_inventory_id/1,
get_roster_id/1,
set_username/2,
set_password/2,
new_token/1,
set_email/2,
refresh_active/1,
set_map_summaries/2,
set_campaign_summaries/2,
set_invasion_summaries/2,
set_event_summaries/2,
set_inventory_id/2,
set_roster_id/2
]
).
-export
(
[
get_username_field/0,
get_password_field/0,
get_token_field/0,
get_email_field/0,
get_last_active_field/0,
get_map_summaries_field/0,
get_campaign_summaries_field/0,
get_invasion_summaries_field/0,
get_event_summaries_field/0,
get_inventory_id_field/0,
get_roster_id_field/0
]
).
-export
(
[
password_is/2
]
).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% LOCAL FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-spec secure_value (binary(), binary()) -> binary().
secure_value (Salt, Val) ->
% TODO [SECURITY][LOW]: Maybe it would be a good idea to include the user's
% IP in there as well. This would ensure that sessions alway use the same
% server (and thus, the same caches), and make timed cache exploits easier to
% prevent.
SaltedVal = erlang:iolist_to_binary([Salt, Val]),
HashedSaltedVal = crypto:hash(sha384, SaltedVal),
HashedSaltedVal.
-spec generate_battle_slots
(
non_neg_integer(),
shr_battle_summary:category(),
orddict:orddict(non_neg_integer(), shr_battle_summary:type())
)
-> orddict:orddict(non_neg_integer(), shr_battle_summary:type()).
generate_battle_slots (0, _, Result) ->
Result;
generate_battle_slots (PrevIX, Category, Result) ->
IX = (PrevIX - 1),
generate_battle_slots
(
IX,
Category,
orddict:store(IX, shr_battle_summary:none(Category), Result)
).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% EXPORTED FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-spec new (binary(), binary(), binary()) -> type().
new (Username, Password, Email) ->
Result =
#player
{
username = Username,
password = {<<"">>, <<"">>},
token = <<"">>,
email = Email,
last_active = 0,
maps = orddict:new(),
campaigns = generate_battle_slots(6, campaign, orddict:new()),
invasions = generate_battle_slots(9, invasion, orddict:new()),
events = generate_battle_slots(6, event, orddict:new()),
inventory_id = ataxia_id:null(),
roster_id = ataxia_id:null()
},
S0Result = set_password(Password, Result),
S1Result = new_token(S0Result),
S2Result = refresh_active(S1Result),
S2Result.
%%%% Accessors
-spec get_username (type()) -> binary().
get_username (Player) -> Player#player.username.
-spec get_password (type()) -> {binary(), binary()}.
get_password (Player) -> Player#player.password.
-spec get_token (type()) -> binary().
get_token (Player) -> Player#player.token.
-spec get_email (type()) -> binary().
get_email (Player) -> Player#player.email.
-spec get_last_active (type()) -> integer().
get_last_active (Player) -> Player#player.last_active.
-spec get_map_summaries
(
type()
)
-> orddict:orddict(non_neg_integer(), shr_map_summary:type()).
get_map_summaries (Player) -> Player#player.maps.
-spec get_campaign_summaries
(
type()
)
-> orddict:orddict(non_neg_integer(), shr_battle_summary:type()).
get_campaign_summaries (Player) -> Player#player.campaigns.
-spec get_invasion_summaries
(
type()
)
-> orddict:orddict(non_neg_integer(), shr_battle_summary:type()).
get_invasion_summaries (Player) -> Player#player.invasions.
-spec get_event_summaries
(
type()
)
-> orddict:orddict(non_neg_integer(), shr_battle_summary:type()).
get_event_summaries (Player) -> Player#player.events.
-spec get_roster_id (type()) -> ataxia_id:type().
get_roster_id (Player) -> Player#player.roster_id.
-spec get_inventory_id (type()) -> ataxia_id:type().
get_inventory_id (Player) -> Player#player.inventory_id.
-spec set_username (binary(), type()) -> type().
set_username (Val, Player) -> Player#player{ username = Val }.
-spec set_password (binary(), type()) -> type().
set_password (Val, Player) ->
NewSalt = crypto:strong_rand_bytes(128),
HashedSaltedVal = secure_value(NewSalt, Val),
Player#player
{
password = {NewSalt, HashedSaltedVal}
}.
-spec new_token (type()) -> type().
new_token (Player) ->
Player#player
{
token = base64:encode(crypto:strong_rand_bytes(512))
}.
-spec set_email (binary(), type()) -> type().
set_email (Val, Player) -> Player#player{ email = Val }.
-spec refresh_active (type()) -> type().
refresh_active (Player) ->
Player#player
{
last_active = erlang:system_time(second)
}.
-spec set_map_summaries
(
orddict:orddict(non_neg_integer(), shr_map_summary:type()),
type()
)
-> type().
set_map_summaries (Maps, Player) -> Player#player{ maps = Maps }.
-spec set_campaign_summaries
(
orddict:orddict(non_neg_integer(), shr_battle_summary:type()),
type()
)
-> type().
set_campaign_summaries (Campaigns, Player) ->
Player#player
{
campaigns = Campaigns
}.
-spec set_invasion_summaries
(
orddict:orddict(non_neg_integer(), shr_battle_summary:type()),
type()
)
-> type().
set_invasion_summaries (Invasions, Player) ->
Player#player
{
invasions = Invasions
}.
-spec set_event_summaries
(
orddict:orddict(non_neg_integer(), shr_battle_summary:type()),
type()
)
-> type().
set_event_summaries (Events, Player) ->
Player#player
{
events = Events
}.
-spec set_roster_id (binary(), type()) -> type().
set_roster_id (RosterID, Player) -> Player#player{ roster_id = RosterID }.
-spec set_inventory_id (binary(), type()) -> type().
set_inventory_id (InvID, Player) -> Player#player{ inventory_id = InvID }.
-spec get_username_field () -> non_neg_integer().
get_username_field () -> #player.username.
-spec get_password_field () -> non_neg_integer().
get_password_field () -> #player.password.
-spec get_token_field () -> non_neg_integer().
get_token_field () -> #player.token.
-spec get_email_field () -> non_neg_integer().
get_email_field () -> #player.email.
-spec get_last_active_field () -> non_neg_integer().
get_last_active_field () -> #player.last_active.
-spec get_map_summaries_field () -> non_neg_integer().
get_map_summaries_field () -> #player.maps.
-spec get_campaign_summaries_field () -> non_neg_integer().
get_campaign_summaries_field () -> #player.campaigns.
-spec get_invasion_summaries_field () -> non_neg_integer().
get_invasion_summaries_field () -> #player.invasions.
-spec get_event_summaries_field () -> non_neg_integer().
get_event_summaries_field () -> #player.events.
-spec get_roster_id_field () -> non_neg_integer().
get_roster_id_field () -> #player.roster_id.
-spec get_inventory_id_field () -> non_neg_integer().
get_inventory_id_field () -> #player.inventory_id.
-spec password_is (binary(), type()) -> boolean().
password_is (Val, Player) ->
{Salt, HashedSaltedVal} = Player#player.password,
HashedSaltedCandidate = secure_value(Salt, Val),
(HashedSaltedCandidate == HashedSaltedVal).
|
