Files
abaddon/discord/discord.cpp

352 lines
11 KiB
C++

#include "../abaddon.hpp"
#include "discord.hpp"
#include <cassert>
DiscordClient::DiscordClient() {
LoadEventMap();
}
void DiscordClient::SetAbaddon(Abaddon *ptr) {
m_abaddon = ptr;
}
void DiscordClient::Start() {
assert(!m_client_connected);
assert(!m_websocket.IsOpen());
m_client_connected = true;
m_websocket.StartConnection(DiscordGateway);
m_websocket.SetJSONCallback(std::bind(&DiscordClient::HandleGatewayMessage, this, std::placeholders::_1));
}
void DiscordClient::Stop() {
std::scoped_lock<std::mutex> guard(m_mutex);
if (!m_client_connected) return;
m_heartbeat_waiter.kill();
m_heartbeat_thread.join();
m_client_connected = false;
m_websocket.Stop();
}
bool DiscordClient::IsStarted() const {
return m_client_connected;
}
const DiscordClient::Guilds_t &DiscordClient::GetGuilds() const {
std::scoped_lock<std::mutex> guard(m_mutex);
return m_guilds;
}
const UserSettingsData &DiscordClient::GetUserSettings() const {
std::scoped_lock<std::mutex> guard(m_mutex);
assert(m_ready_received);
return m_user_settings;
}
void DiscordClient::HandleGatewayMessage(nlohmann::json j) {
GatewayMessage m;
try {
m = j;
} catch (std::exception &e) {
printf("Error decoding JSON. Discarding message: %s\n", e.what());
return;
}
switch (m.Opcode) {
case GatewayOp::Hello: {
HelloMessageData d = m.Data;
m_heartbeat_msec = d.HeartbeatInterval;
m_heartbeat_thread = std::thread(std::bind(&DiscordClient::HeartbeatThread, this));
SendIdentify();
} break;
case GatewayOp::HeartbeatAck: {
m_heartbeat_acked = true;
} break;
case GatewayOp::Event: {
auto iter = m_event_map.find(m.Type);
if (iter == m_event_map.end()) {
printf("Unknown event %s\n", m.Type.c_str());
break;
}
switch (iter->second) {
case GatewayEvent::READY: {
HandleGatewayReady(m);
}
}
} break;
default:
printf("Unknown opcode %d\n", m.Opcode);
break;
}
}
void DiscordClient::HandleGatewayReady(const GatewayMessage &msg) {
m_ready_received = true;
ReadyEventData data = msg.Data;
for (const auto &g : data.Guilds) {
StoreGuild(g.ID, g);
}
m_abaddon->DiscordNotifyReady();
m_user_settings = data.UserSettings;
return;
}
void DiscordClient::StoreGuild(Snowflake id, const GuildData &g) {
assert(id.IsValid() && id == g.ID);
m_guilds[id] = g;
}
void DiscordClient::HeartbeatThread() {
while (m_client_connected) {
if (!m_heartbeat_acked) {
printf("wow! a heartbeat wasn't acked! how could this happen?");
}
m_heartbeat_acked = false;
HeartbeatMessage msg;
msg.Sequence = m_last_sequence;
nlohmann::json j = msg;
m_websocket.Send(j);
if (!m_heartbeat_waiter.wait_for(std::chrono::milliseconds(m_heartbeat_msec)))
break;
}
}
void DiscordClient::SendIdentify() {
auto token = m_abaddon->GetDiscordToken();
assert(token.size());
IdentifyMessage msg;
msg.Properties.OS = "OpenBSD";
msg.Properties.Device = GatewayIdentity;
msg.Properties.Browser = GatewayIdentity;
msg.Token = token;
m_websocket.Send(msg);
}
void DiscordClient::LoadEventMap() {
m_event_map["READY"] = GatewayEvent::READY;
}
#define JS_D(k, t) \
do { \
j.at(k).get_to(t); \
} while (0)
#define JS_O(k, t) \
do { \
if (j.contains(k)) j.at(k).get_to(t); \
} while (0)
#define JS_N(k, t) \
do { \
if (!j.at(k).is_null()) j.at(k).get_to(t); \
} while (0)
#define JS_ON(k, t) \
do { \
if (j.contains(k) && !j.at(k).is_null()) \
j.at(k).get_to(t); \
} while (0)
void from_json(const nlohmann::json &j, GatewayMessage &m) {
JS_D("op", m.Opcode);
m.Data = j.at("d");
JS_ON("t", m.Type);
}
void from_json(const nlohmann::json &j, HelloMessageData &m) {
JS_D("heartbeat_interval", m.HeartbeatInterval);
}
void from_json(const nlohmann::json &j, UserData &m) {
JS_D("id", m.ID);
JS_D("username", m.Username);
JS_D("discriminator", m.Discriminator);
JS_N("avatar", m.Avatar);
JS_O("bot", m.IsBot);
JS_O("system", m.IsSystem);
JS_O("mfa_enabled", m.IsMFAEnabled);
JS_O("locale", m.Locale);
JS_O("verified", m.IsVerified);
JS_O("email", m.Email);
JS_O("flags", m.Flags);
JS_O("premium_type", m.PremiumType);
JS_O("public_flags", m.PublicFlags);
JS_O("desktop", m.IsDesktop);
JS_O("mobile", m.IsMobile);
JS_ON("nsfw_allowed", m.IsNSFWAllowed);
JS_ON("phone", m.Phone);
}
void from_json(const nlohmann::json &j, GuildData &m) {
JS_D("id", m.ID);
JS_D("name", m.Name);
JS_N("icon", m.Icon);
JS_N("splash", m.Splash);
JS_N("discovery_splash", m.DiscoverySplash);
JS_O("owner", m.IsOwner);
JS_D("owner_id", m.OwnerID);
JS_O("permissions", m.Permissions);
JS_O("permissions_new", m.PermissionsNew);
JS_D("region", m.VoiceRegion);
JS_N("afk_channel_id", m.AFKChannelID);
JS_D("afk_timeout", m.AFKTimeout);
JS_O("embed_enabled", m.IsEmbedEnabled);
JS_ON("embed_channel_id", m.EmbedChannelID);
JS_D("verification_level", m.VerificationLevel);
JS_D("default_message_notifications", m.DefaultMessageNotifications);
JS_D("explicit_content_filter", m.ExplicitContentFilter);
// JS_D("roles", m.Roles);
// JS_D("emojis", m.Emojis);
JS_D("features", m.Features);
JS_D("mfa_level", m.MFALevel);
JS_N("application_id", m.ApplicationID);
JS_O("widget_enabled", m.IsWidgetEnabled);
JS_ON("widget_channel_id", m.WidgetChannelID);
JS_N("system_channel_id", m.SystemChannelID);
JS_D("system_channel_flags", m.SystemChannelFlags);
JS_N("rules_channel_id", m.RulesChannelID);
JS_O("joined_at", m.JoinedAt);
JS_O("large", m.IsLarge);
JS_O("unavailable", m.IsUnavailable);
JS_O("member_count", m.MemberCount);
// JS_O("voice_states", m.VoiceStates);
// JS_O("members", m.Members);
JS_O("channels", m.Channels);
// JS_O("presences", m.Presences);
JS_ON("max_presences", m.MaxPresences);
JS_O("max_members", m.MaxMembers);
JS_N("vanity_url_code", m.VanityURL);
JS_N("description", m.Description);
JS_N("banner", m.BannerHash);
JS_D("premium_tier", m.PremiumTier);
JS_O("premium_subscription_count", m.PremiumSubscriptionCount);
JS_D("preferred_locale", m.PreferredLocale);
JS_N("public_updates_channel_id", m.PublicUpdatesChannelID);
JS_O("max_video_channel_users", m.MaxVideoChannelUsers);
JS_O("approximate_member_count", m.ApproximateMemberCount);
JS_O("approximate_presence_count", m.ApproximatePresenceCount);
}
void from_json(const nlohmann::json &j, ChannelData &m) {
JS_D("id", m.ID);
JS_D("type", m.Type);
JS_O("guild_id", m.GuildID);
JS_O("position", m.Position);
// JS_O("permission_overwrites", m.PermissionOverwrites);
JS_O("name", m.Name);
JS_ON("topic", m.Topic);
JS_O("nsfw", m.IsNSFW);
JS_ON("last_message_id", m.LastMessageID);
JS_O("bitrate", m.Bitrate);
JS_O("user_limit", m.UserLimit);
JS_O("rate_limit_per_user", m.RateLimitPerUser);
JS_O("recipients", m.Recipients);
JS_ON("icon", m.Icon);
JS_O("owner_id", m.OwnerID);
JS_O("application_id", m.ApplicationID);
JS_ON("parent_id", m.ParentID);
JS_ON("last_pin_timestamp", m.LastPinTimestamp);
}
void from_json(const nlohmann::json &j, ReadyEventData &m) {
JS_D("v", m.GatewayVersion);
JS_D("user", m.User);
JS_D("guilds", m.Guilds);
JS_D("session_id", m.SessionID);
JS_D("analytics_token", m.AnalyticsToken);
JS_D("friend_suggestion_count", m.FriendSuggestionCount);
JS_D("user_settings", m.UserSettings);
}
void from_json(const nlohmann::json &j, UserSettingsData &m) {
JS_D("timezone_offset", m.TimezoneOffset);
JS_D("theme", m.Theme);
JS_D("stream_notifications_enabled", m.AreStreamNotificationsEnabled);
JS_D("status", m.Status);
JS_D("show_current_game", m.ShouldShowCurrentGame);
// JS_D("restricted_guilds", m.RestrictedGuilds);
JS_D("render_reactions", m.ShouldRenderReactions);
JS_D("render_embeds", m.ShouldRenderEmbeds);
JS_D("native_phone_integration_enabled", m.IsNativePhoneIntegrationEnabled);
JS_D("message_display_compact", m.ShouldMessageDisplayCompact);
JS_D("locale", m.Locale);
JS_D("inline_embed_media", m.ShouldInlineEmbedMedia);
JS_D("inline_attachment_media", m.ShouldInlineAttachmentMedia);
JS_D("guild_positions", m.GuildPositions);
// JS_D("guild_folders", m.GuildFolders);
JS_D("gif_auto_play", m.ShouldGIFAutoplay);
// JS_D("friend_source_flags", m.FriendSourceFlags);
JS_D("explicit_content_filter", m.ExplicitContentFilter);
JS_D("enable_tts_command", m.IsTTSCommandEnabled);
JS_D("disable_games_tab", m.ShouldDisableGamesTab);
JS_D("developer_mode", m.DeveloperMode);
JS_D("detect_platform_accounts", m.ShouldDetectPlatformAccounts);
JS_D("default_guilds_restricted", m.AreDefaultGuildsRestricted);
// JS_N("custom_status", m.CustomStatus);
JS_D("convert_emoticons", m.ShouldConvertEmoticons);
JS_D("contact_sync_enabled", m.IsContactSyncEnabled);
JS_D("animate_emoji", m.ShouldAnimateEmojis);
JS_D("allow_accessibility_detection", m.IsAccessibilityDetectionAllowed);
JS_D("afk_timeout", m.AFKTimeout);
}
void to_json(nlohmann::json &j, const IdentifyProperties &m) {
j["$os"] = m.OS;
j["$browser"] = m.Browser;
j["$device"] = m.Device;
}
void to_json(nlohmann::json &j, const IdentifyMessage &m) {
j["op"] = GatewayOp::Identify;
j["d"] = nlohmann::json::object();
j["d"]["token"] = m.Token;
j["d"]["properties"] = m.Properties;
if (m.LargeThreshold)
j["d"]["large_threshold"] = m.LargeThreshold;
}
void to_json(nlohmann::json &j, const HeartbeatMessage &m) {
j["op"] = GatewayOp::Heartbeat;
if (m.Sequence == -1)
j["d"] = nullptr;
else
j["d"] = m.Sequence;
}
Snowflake::Snowflake()
: m_num(Invalid) {}
Snowflake::Snowflake(const Snowflake &s)
: m_num(s.m_num) {}
Snowflake::Snowflake(uint64_t n)
: m_num(n) {}
Snowflake::Snowflake(const std::string &str) {
if (str.size())
m_num = std::stoull(str);
else
m_num = Invalid;
};
bool Snowflake::IsValid() const {
return m_num != Invalid;
}
void from_json(const nlohmann::json &j, Snowflake &s) {
std::string tmp;
j.get_to(tmp);
s.m_num = std::stoull(tmp);
}
#undef JS_O
#undef JS_D
#undef JS_N
#undef JS_ON