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RetroArch/discord/discord.c

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2018 - Andrés Suárez
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <file/file_path.h>
#include <string/stdstring.h>
#include <retro_timers.h>
#include "discord.h"
#include "discord_register.h"
#include "../deps/discord-rpc/include/discord_rpc.h"
#include "../retroarch.h"
#include "../configuration.h"
#include "../core.h"
#include "../core_info.h"
#include "../paths.h"
#include "../playlist.h"
#include "../verbosity.h"
#include "../msg_hash.h"
#include "../tasks/task_file_transfer.h"
#ifdef HAVE_NETWORKING
#include "../../network/netplay/netplay.h"
#include "../../network/netplay/netplay_discovery.h"
#include "../../tasks/tasks_internal.h"
#endif
#ifdef HAVE_CHEEVOS
#include "../cheevos/cheevos.h"
#endif
#ifdef HAVE_MENU
#include "../../menu/widgets/menu_input_dialog.h"
#include "../../menu/menu_cbs.h"
#endif
#include <net/net_http.h>
#include "../network/net_http_special.h"
#include "../tasks/tasks_internal.h"
#include <streams/file_stream.h>
#include <file/file_path.h>
#include "../file_path_special.h"
#include <features/features_cpu.h>
static int64_t start_time = 0;
static int64_t pause_time = 0;
static int64_t ellapsed_time = 0;
static bool discord_ready = false;
static bool discord_avatar_ready = false;
static unsigned discord_status = 0;
struct netplay_room *room;
/* The discord API specifies these variables:
- userId --------- char[24] - the userId of the player asking to join
- username ------- char[344] - the username of the player asking to join
- discriminator -- char[8] - the discriminator of the player asking to join
- spectateSecret - char[128] - secret used for spectatin matches
- joinSecret - char[128] - secret used to join matches
- partyId - char[128] - the party you would be joining
*/
static char user_id[24];
static char user_name[344];
static char self_party_id[128];
static char peer_party_id[128];
static char user_avatar[PATH_MAX_LENGTH];
static bool connecting = false;
static char cdn_url[] = "https://cdn.discordapp.com/avatars";
DiscordRichPresence discord_presence;
char* discord_get_own_username(void)
{
if (discord_is_ready())
return user_name;
return NULL;
}
char* discord_get_own_avatar(void)
{
if (discord_is_ready())
return user_avatar;
return NULL;
}
bool discord_avatar_is_ready(void)
{
/*To-Do: fix-me, prevent lockups in ozone due to unfinished code*/
return false;
}
void discord_avatar_set_ready(bool ready)
{
discord_avatar_ready = ready;
}
bool discord_is_ready(void)
{
return discord_ready;
}
#ifdef HAVE_MENU
static bool discord_download_avatar(
const char* user_id, const char* avatar_id)
{
static char url[PATH_MAX_LENGTH];
static char url_encoded[PATH_MAX_LENGTH];
static char full_path[PATH_MAX_LENGTH];
static char buf[PATH_MAX_LENGTH];
file_transfer_t *transf = NULL;
RARCH_LOG("[discord] user avatar id: %s\n", user_id);
fill_pathname_application_special(buf,
sizeof(buf),
APPLICATION_SPECIAL_DIRECTORY_THUMBNAILS_DISCORD_AVATARS);
fill_pathname_join(full_path, buf, avatar_id, sizeof(full_path));
strlcpy(user_avatar, avatar_id, sizeof(user_avatar));
if(filestream_exists(full_path))
return true;
if (string_is_empty(avatar_id))
return false;
snprintf(url, sizeof(url), "%s/%s/%s.png", cdn_url, user_id, avatar_id);
net_http_urlencode_full(url_encoded, url, sizeof(url_encoded));
snprintf(buf, sizeof(buf), "%s.png", avatar_id);
transf = (file_transfer_t*)calloc(1, sizeof(*transf));
transf->enum_idx = MENU_ENUM_LABEL_CB_DISCORD_AVATAR;
strlcpy(transf->path, buf, sizeof(transf->path));
RARCH_LOG("[discord] downloading avatar from: %s\n", url_encoded);
task_push_http_transfer(url_encoded, true, NULL, cb_generic_download, transf);
return false;
}
#endif
static void handle_discord_ready(const DiscordUser* connectedUser)
{
strlcpy(user_name, connectedUser->username, sizeof(user_name));
RARCH_LOG("[discord] connected to user: %s#%s\n",
connectedUser->username,
connectedUser->discriminator);
#ifdef HAVE_MENU
discord_download_avatar(connectedUser->userId, connectedUser->avatar);
#endif
}
static void handle_discord_disconnected(int errcode, const char* message)
{
RARCH_LOG("[discord] disconnected (%d: %s)\n", errcode, message);
}
static void handle_discord_error(int errcode, const char* message)
{
RARCH_LOG("[discord] error (%d: %s)\n", errcode, message);
}
static void handle_discord_join_cb(retro_task_t *task,
void *task_data, void *user_data, const char *err)
{
struct netplay_room *room;
char join_hostname[PATH_MAX_LENGTH];
http_transfer_data_t *data = (http_transfer_data_t*)task_data;
if (!data || err)
goto finish;
data->data = (char*)realloc(data->data, data->len + 1);
data->data[data->len] = '\0';
netplay_rooms_parse(data->data);
room = netplay_room_get(0);
if (room)
{
if (netplay_driver_ctl(RARCH_NETPLAY_CTL_IS_DATA_INITED, NULL))
deinit_netplay();
netplay_driver_ctl(RARCH_NETPLAY_CTL_ENABLE_CLIENT, NULL);
snprintf(join_hostname, sizeof(join_hostname), "%s|%d",
room->host_method == NETPLAY_HOST_METHOD_MITM ? room->mitm_address : room->address,
room->host_method == NETPLAY_HOST_METHOD_MITM ? room->mitm_port : room->port);
RARCH_LOG("[discord] joining lobby at: %s\n", join_hostname);
task_push_netplay_crc_scan(room->gamecrc,
room->gamename, join_hostname, room->corename, room->subsystem_name);
connecting = true;
discord_update(DISCORD_PRESENCE_NETPLAY_CLIENT);
}
finish:
if (err)
RARCH_ERR("%s: %s\n", msg_hash_to_str(MSG_DOWNLOAD_FAILED), err);
if (data)
{
if (data->data)
free(data->data);
free(data);
}
if (user_data)
free(user_data);
}
static void handle_discord_join(const char* secret)
{
char url [2048] = "http://lobby.libretro.com/";
static struct string_list *list = NULL;
RARCH_LOG("[discord] join secret: (%s)\n", secret);
list = string_split(secret, "|");
strlcpy(peer_party_id, list->elems[0].data, sizeof(peer_party_id));
strlcat(url, peer_party_id, sizeof(url));
strlcat(url, "/", sizeof(url));
RARCH_LOG("[discord] querying lobby id: %s at %s\n", peer_party_id, url);
task_push_http_transfer(url, true, NULL, handle_discord_join_cb, NULL);
}
static void handle_discord_spectate(const char* secret)
{
RARCH_LOG("[discord] spectate (%s)\n", secret);
}
static void handle_discord_join_response(void *ignore, const char *line)
{
/* To-Do: needs in-game widgets
if (strstr(line, "yes"))
Discord_Respond(user_id, DISCORD_REPLY_YES);
#ifdef HAVE_MENU
menu_input_dialog_end();
rarch_menu_running_finished();
#endif
*/
}
static void handle_discord_join_request(const DiscordUser* request)
{
static char url[PATH_MAX_LENGTH];
static char url_encoded[PATH_MAX_LENGTH];
static char filename[PATH_MAX_LENGTH];
char buf[PATH_MAX_LENGTH];
#ifdef HAVE_MENU
menu_input_ctx_line_t line;
#endif
RARCH_LOG("[discord] join request from %s#%s - %s %s\n",
request->username,
request->discriminator,
request->userId,
request->avatar);
#ifdef HAVE_MENU
discord_download_avatar(request->userId, request->avatar);
/* To-Do: needs in-game widgets
rarch_menu_running();
*/
memset(&line, 0, sizeof(line));
snprintf(buf, sizeof(buf), "%s %s?", msg_hash_to_str(MSG_DISCORD_CONNECTION_REQUEST), request->username);
line.label = buf;
line.label_setting = "no_setting";
line.cb = handle_discord_join_response;
/* To-Do: needs in-game widgets
To-Do: bespoke dialog, should show while in-game and have a hotkey to accept
To-Do: show avatar of the user connecting
if (!menu_input_dialog_start(&line))
return;
*/
#endif
}
void discord_update(enum discord_presence presence)
{
core_info_t *core_info = NULL;
core_info_get_current_core(&core_info);
if (!discord_ready)
return;
if (presence == discord_status)
return;
if (!connecting && (presence == DISCORD_PRESENCE_NONE || presence == DISCORD_PRESENCE_MENU))
{
memset(&discord_presence, 0, sizeof(discord_presence));
peer_party_id[0] = '\0';
}
switch (presence)
{
case DISCORD_PRESENCE_MENU:
discord_presence.details = msg_hash_to_str(MENU_ENUM_LABEL_VALUE_DISCORD_IN_MENU);
discord_presence.largeImageKey = "base";
discord_presence.largeImageText = msg_hash_to_str(MENU_ENUM_LABEL_VALUE_NO_CORE);
discord_presence.instance = 0;
break;
case DISCORD_PRESENCE_GAME_PAUSED:
discord_presence.smallImageKey = "paused";
discord_presence.smallImageText = msg_hash_to_str(
MENU_ENUM_LABEL_VALUE_DISCORD_STATUS_PAUSED);
discord_presence.details = msg_hash_to_str(
MENU_ENUM_LABEL_VALUE_DISCORD_IN_GAME_PAUSED);
pause_time = time(0);
ellapsed_time = difftime(time(0), start_time);
discord_presence.startTimestamp = pause_time;
break;
case DISCORD_PRESENCE_GAME:
if (core_info)
{
const char *system_id = core_info->system_id
? core_info->system_id : "core";
char *label = NULL;
playlist_t *current_playlist = playlist_get_cached();
if (current_playlist)
playlist_get_index_by_path(
current_playlist, path_get(RARCH_PATH_CONTENT), NULL, &label, NULL, NULL, NULL, NULL);
if (!label)
label = (char *)path_basename(path_get(RARCH_PATH_BASENAME));
#if 0
RARCH_LOG("[discord] current core: %s\n", system_id);
RARCH_LOG("[discord] current content: %s\n", label);
#endif
discord_presence.largeImageKey = system_id;
if (core_info->display_name)
discord_presence.largeImageText = core_info->display_name;
start_time = time(0);
if (pause_time != 0)
start_time = time(0) - ellapsed_time;
pause_time = 0;
ellapsed_time = 0;
discord_presence.smallImageKey = "playing";
discord_presence.smallImageText = msg_hash_to_str(
MENU_ENUM_LABEL_VALUE_DISCORD_STATUS_PLAYING);
discord_presence.startTimestamp = start_time;
discord_presence.details = msg_hash_to_str(
MENU_ENUM_LABEL_VALUE_DISCORD_IN_GAME);
discord_presence.state = label;
discord_presence.instance = 0;
if (!netplay_driver_ctl(RARCH_NETPLAY_CTL_IS_ENABLED, NULL))
{
peer_party_id[0] = '\0';
discord_presence.partyId = NULL;
discord_presence.partyMax = 0;
discord_presence.partySize = 0;
connecting = false;
}
}
break;
case DISCORD_PRESENCE_NETPLAY_HOSTING:
room = netplay_get_host_room();
if (room->id == 0)
return;
RARCH_LOG("[discord] netplay room details: id=%d, nick=%s IP=%s port=%d\n",
room->id, room->nickname,
room->host_method == NETPLAY_HOST_METHOD_MITM ? room->mitm_address : room->address,
room->host_method == NETPLAY_HOST_METHOD_MITM ? room->mitm_port : room->port);
{
char join_secret[128];
snprintf(self_party_id, sizeof(self_party_id), "%d", room->id);
snprintf(join_secret, sizeof(join_secret), "%d|%" PRId64, room->id, cpu_features_get_time_usec());
discord_presence.joinSecret = strdup(join_secret);
/* discord_presence.spectateSecret = "SPECSPECSPEC"; */
discord_presence.partyId = strdup(self_party_id);
discord_presence.partyMax = 2;
discord_presence.partySize = 1;
RARCH_LOG("[discord] join secret: %s\n", join_secret);
RARCH_LOG("[discord] party id: %s\n", self_party_id);
}
break;
case DISCORD_PRESENCE_NETPLAY_CLIENT:
RARCH_LOG("[discord] party id: %s\n", peer_party_id);
discord_presence.partyId = strdup(peer_party_id);
break;
case DISCORD_PRESENCE_NETPLAY_NETPLAY_STOPPED:
{
if (!netplay_driver_ctl(RARCH_NETPLAY_CTL_IS_ENABLED, NULL) &&
!netplay_driver_ctl(RARCH_NETPLAY_CTL_IS_CONNECTED, NULL))
{
peer_party_id[0] = '\0';
discord_presence.partyId = NULL;
discord_presence.partyMax = 0;
discord_presence.partySize = 0;
connecting = false;
}
}
break;
case DISCORD_PRESENCE_SHUTDOWN:
discord_presence.partyId = NULL;
discord_presence.partyMax = 0;
discord_presence.partySize = 0;
connecting = false;
default:
break;
}
RARCH_LOG("[discord] updating (%d)\n", presence);
Discord_UpdatePresence(&discord_presence);
discord_status = presence;
}
void discord_init(void)
{
char full_path[PATH_MAX_LENGTH];
char command[PATH_MAX_LENGTH];
settings_t *settings = config_get_ptr();
DiscordEventHandlers handlers;
RARCH_LOG("[discord] initializing ..\n");
start_time = time(0);
memset(&handlers, 0, sizeof(handlers));
handlers.ready = handle_discord_ready;
handlers.disconnected = handle_discord_disconnected;
handlers.errored = handle_discord_error;
handlers.joinGame = handle_discord_join;
handlers.spectateGame = handle_discord_spectate;
handlers.joinRequest = handle_discord_join_request;
Discord_Initialize(settings->arrays.discord_app_id, &handlers, 0, NULL);
#ifdef _WIN32
GetModuleFileNameA(NULL, full_path, sizeof(full_path));
if (strstr(get_retroarch_launch_arguments(), full_path))
strlcpy(command, get_retroarch_launch_arguments(), sizeof(command));
else
{
path_basedir(full_path);
snprintf(command, sizeof(command), "%s%s", full_path, get_retroarch_launch_arguments());
}
#else
snprintf(command, sizeof(command), "sh -c %s", get_retroarch_launch_arguments());
#endif
RARCH_LOG("[discord] registering startup command: %s\n", command);
Discord_Register(settings->arrays.discord_app_id, command);
discord_ready = true;
}
void discord_shutdown(void)
{
RARCH_LOG("[discord] shutting down ..\n");
Discord_ClearPresence();
Discord_Shutdown();
discord_ready = false;
}
void discord_run_callbacks(void)
{
Discord_RunCallbacks();
}
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