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Merge pull request #7 from jackb-p/v8-integration

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V8 Integration
This commit is contained in:
Jack Bond-Preston 2016-08-16 01:01:52 +01:00 committed by GitHub
commit c9af4566c6
35 changed files with 2494 additions and 531 deletions
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14
.gitignore vendored
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@ -8,4 +8,16 @@
# Data files # Data files
/TriviaBot/data_management/questions /TriviaBot/data_management/questions
/TriviaBot/bot/db/trivia.db /TriviaBot/bot/db/trivia.db
# Config file
config.json
# Compiled sqlite file
sqlite3.obj
# V8 lib
lib/v8
# Built files
build/

25
README.md
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@ -32,22 +32,23 @@ LoadDB.cpp takes some time to execute.
### Commands ### Commands
`` `trivia`` is the base command. `` `trivia`` is the base command.
| Argument | Description | | Argument | Description |
| ----------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | --- | --- |
| `questions` `interval` | Where `questions` and `interval` are integers. Makes the game last `questions` number of questions, optionally sets the time interval between hints to `interval` seconds. | | `questions` `interval` | Where `questions` and `interval` are integers. Makes the game last `questions` number of questions, optionally sets the time interval between hints to `interval` seconds. |
| stop | Stops the trivia game currently in the channel the message is sent from, if there is one. | | stop | Stops the trivia game currently in the channel the message is sent from, if there is one. |
| help | Prints a help list, similar to this table. | | help | Prints a help list, similar to this table. |
### Compiling ### Compiling
#### Dependencies #### Dependencies
| Name | Website | Notes | | Name | Website | Notes |
| ------------- | ------------------------------------------------------------- | ------------------------------------------------------------------------------------------------ | | --- | --- | --- |
| boost | [boost.org](http://www.boost.org/) | | | boost | [boost.org](http://www.boost.org/) | |
| websocketpp | [zaphoyd/websocketpp](https://github.com/zaphoyd/websocketpp) | Included as submodule. | | websocketpp | [zaphoyd/websocketpp](https://github.com/zaphoyd/websocketpp) | Included as submodule. |
| cURL | [curl.haxx.se](https://curl.haxx.se/) | | | cURL | [curl.haxx.se](https://curl.haxx.se/) | |
| sqlite3 | [sqlite.org](https://www.sqlite.org/) | Included as submodule. Uses a [different repo](https://github.com/azadkuh/sqlite-amalgamation/). | | sqlite3 | [sqlite.org](https://www.sqlite.org/) | Included as submodule. Uses a [different repo](https://github.com/azadkuh/sqlite-amalgamation/). |
| nlohmann/json | [nlohmann/json](https://github.com/nlohmann/json) | (Slightly modified) source file included in repo. | | nlohmann/json | [nlohmann/json](https://github.com/nlohmann/json) | (Slightly modified) source file included in repo. |
| V8 | [Google V8](https://developers.google.com/v8/) | Debian/Ubuntu `libv8` packages are too outdated. |
#### Linux (debian) #### Linux (debian)
c++14 support is required. gcc 5 and above recommended. c++14 support is required. gcc 5 and above recommended.

15
TriviaBot/CMakeLists.txt
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@ -7,6 +7,8 @@ project(TriviaBot)
file(GLOB_RECURSE sources bot/*.cpp bot/*.hpp ../lib/sqlite3/sqlite3.c) file(GLOB_RECURSE sources bot/*.cpp bot/*.hpp ../lib/sqlite3/sqlite3.c)
link_directories(../lib/v8/lib)
############################################################################### ###############################################################################
## target definitions ######################################################### ## target definitions #########################################################
############################################################################### ###############################################################################
@ -29,8 +31,14 @@ target_link_libraries(TriviaBot PUBLIC
${Boost_LIBRARIES} ${Boost_LIBRARIES}
${OPENSSL_LIBRARIES} ${OPENSSL_LIBRARIES}
${CURL_LIBRARIES} ${CURL_LIBRARIES}
pthread v8
v8_libplatform
v8_libbase
icui18n
icuuc
rt
dl dl
pthread
) )
include_directories( include_directories(
@ -39,7 +47,10 @@ include_directories(
${CURL_INCLUDE_DIR} ${CURL_INCLUDE_DIR}
../lib/websocketpp ../lib/websocketpp
../lib/sqlite3 ../lib/sqlite3
../lib/v8
) )
# don't know if necessary, too scared to remove # don't know if necessary, too scared to remove
add_definitions(-D_WEBSOCKETPP_CPP11_STL_) add_definitions(-D_WEBSOCKETPP_CPP11_STL_)
set(CMAKE_BUILD_TYPE Release)

33
TriviaBot/bot/APIHelper.cpp
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@ -1,33 +0,0 @@
#include "http/HTTPHelper.hpp"
#include <cstdio>
#include <thread>
#include <chrono>
#include "APIHelper.hpp"
using namespace std::chrono_literals;
APIHelper::APIHelper() : BASE_URL("https://discordapp.com/api"), CHANNELS_URL(BASE_URL + "/channels"),
JSON_CTYPE("application/json") {
http = new HTTPHelper();
}
void APIHelper::send_message(std::string channel_id, std::string message) {
const std::string url = CHANNELS_URL + "/" + channel_id + "/messages";
json data = {
{ "content", message }
};
std::string response;
long response_code = -1;
response = http->post_request(url, JSON_CTYPE, data.dump(), &response_code);
int retries = 0;
while (response_code != 200 && retries < 2) {
std::this_thread::sleep_for(100ms);
// try 3 times. usually enough to prevent 502 bad gateway issues
response = http->post_request(url, JSON_CTYPE, data.dump(), &response_code);
retries++;
}
}

26
TriviaBot/bot/APIHelper.hpp
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@ -1,26 +0,0 @@
#ifndef BOT_APIHELPER
#define BOT_APIHELPER
#include <string>
#include "json/json.hpp"
using json = nlohmann::json;
class HTTPHelper;
class APIHelper {
public:
APIHelper();
void send_message(std::string channel_id, std::string message);
private:
const std::string BASE_URL;
const std::string CHANNELS_URL;
const std::string JSON_CTYPE;
HTTPHelper *http;
};
#endif

60
TriviaBot/bot/BotConfig.cpp Normal file
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@ -0,0 +1,60 @@
#include "BotConfig.hpp"
#include <sstream>
#include <fstream>
#include <ostream>
#include "json/json.hpp"
#include "Logger.hpp"
using json = nlohmann::json;
BotConfig::BotConfig() {
is_new_config = false;
std::stringstream ss;
std::ifstream config_file("config.json");
if(!config_file) {
config_file.close();
create_new_file();
return;
}
ss << config_file.rdbuf();
config_file.close();
std::string config = ss.str();
load_from_json(config);
}
void BotConfig::load_from_json(std::string data) {
json parsed = json::parse(data);
token = parsed.value("bot_token", "");
owner_id = parsed.value("owner_id", "");
cert_location = parsed.value("api_cert_file", "bot/http/DiscordCA.crt");
createjs_roles = parsed["v8"].value("createjs_allowed_roles", std::unordered_set<std::string> { "Admin", "Coder" });
Logger::write("config.json file loaded", Logger::LogLevel::Info);
}
void BotConfig::create_new_file() {
std::string config = json {
{ "bot_token", "" },
{ "owner_id", "" },
{ "api_cert_file", "bot/http/DiscordCA.crt" },
{ "v8", {
{ "createjs_allowed_roles", {
"Admin", "Coder", "Bot Commander"
} }
} }
}.dump(4);
std::ofstream config_file("config.json");
config_file << config;
config_file.close();
Logger::write("Created new config.json file", Logger::LogLevel::Info);
is_new_config = true;
}

23
TriviaBot/bot/BotConfig.hpp Normal file
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@ -0,0 +1,23 @@
#ifndef BOT_BOTCONFIG
#define BOT_BOTCONFIG
#include <string>
#include <unordered_set>
class BotConfig {
public:
BotConfig();
bool is_new_config;
std::string token;
std::string owner_id;
std::string cert_location;
std::unordered_set<std::string> createjs_roles;
private:
void load_from_json(std::string data);
void create_new_file();
};
#endif

59
TriviaBot/bot/ClientConnection.cpp
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@ -3,73 +3,74 @@
#include <cstdio> #include <cstdio>
#include <iostream> #include <iostream>
#include "GatewayHandler.hpp" #include "Logger.hpp"
#include "BotConfig.hpp"
ClientConnection::ClientConnection() { ClientConnection::ClientConnection(BotConfig &c) : config(c), gh(config) {
// Reset the log channels // Reset the log channels
c.clear_access_channels(websocketpp::log::alevel::all); cli.clear_access_channels(websocketpp::log::alevel::all);
// Only want application logging, logging from the initial connection stages or any error logging // Only want application logging, logging from the initial connection stages or any error logging
c.set_access_channels(websocketpp::log::alevel::app | websocketpp::log::alevel::connect); cli.set_access_channels(websocketpp::log::alevel::app | websocketpp::log::alevel::connect);
c.set_error_channels(websocketpp::log::elevel::all); cli.set_error_channels(websocketpp::log::elevel::all);
// Initialize ASIO // Initialize ASIO
c.init_asio(); cli.init_asio();
// Bind handlers // Bind handlers
c.set_socket_init_handler(bind( cli.set_socket_init_handler(bind(
&ClientConnection::on_socket_init, &ClientConnection::on_socket_init,
this, this,
websocketpp::lib::placeholders::_1 websocketpp::lib::placeholders::_1
)); ));
c.set_tls_init_handler(bind<context_ptr>( cli.set_tls_init_handler(bind<context_ptr>(
&ClientConnection::on_tls_init, &ClientConnection::on_tls_init,
this, this,
websocketpp::lib::placeholders::_1 websocketpp::lib::placeholders::_1
)); ));
c.set_message_handler(bind( cli.set_message_handler(bind(
&ClientConnection::on_message, &ClientConnection::on_message,
this, this,
websocketpp::lib::placeholders::_1, websocketpp::lib::placeholders::_1,
websocketpp::lib::placeholders::_2 websocketpp::lib::placeholders::_2
)); ));
c.set_open_handler(bind( cli.set_open_handler(bind(
&ClientConnection::on_open, &ClientConnection::on_open,
this, this,
websocketpp::lib::placeholders::_1 websocketpp::lib::placeholders::_1
)); ));
c.set_close_handler(bind( cli.set_close_handler(bind(
&ClientConnection::on_close, &ClientConnection::on_close,
this, this,
websocketpp::lib::placeholders::_1 websocketpp::lib::placeholders::_1
)); ));
c.set_fail_handler(bind( cli.set_fail_handler(bind(
&ClientConnection::on_fail, &ClientConnection::on_fail,
this, this,
websocketpp::lib::placeholders::_1 websocketpp::lib::placeholders::_1
)); ));
gh = std::make_unique<GatewayHandler>();
} }
// Open a connection to the URI provided // Open a connection to the URI provided
void ClientConnection::start(std::string uri) { void ClientConnection::start(std::string uri) {
websocketpp::lib::error_code ec; websocketpp::lib::error_code ec;
client::connection_ptr con = c.get_connection(uri, ec); client::connection_ptr con = cli.get_connection(uri, ec);
if (ec) { // failed to create connection if (ec) { // failed to create connection
c.get_alog().write(websocketpp::log::alevel::app, ec.message()); Logger::write("Failed to create connection: " + ec.message(), Logger::LogLevel::Severe);
return; return;
} }
// Open the connection // Open the connection
c.connect(con); cli.connect(con);
c.run(); cli.run();
Logger::write("Finished running", Logger::LogLevel::Debug);
} }
// Event handlers // Event handlers
void ClientConnection::on_socket_init(websocketpp::connection_hdl) { void ClientConnection::on_socket_init(websocketpp::connection_hdl) {
c.get_alog().write(websocketpp::log::alevel::app, "Socket intialised."); Logger::write("Socket initialised", Logger::LogLevel::Debug);
} }
context_ptr ClientConnection::on_tls_init(websocketpp::connection_hdl) { context_ptr ClientConnection::on_tls_init(websocketpp::connection_hdl) {
@ -81,41 +82,43 @@ context_ptr ClientConnection::on_tls_init(websocketpp::connection_hdl) {
boost::asio::ssl::context::no_sslv3 | boost::asio::ssl::context::no_sslv3 |
boost::asio::ssl::context::single_dh_use); boost::asio::ssl::context::single_dh_use);
} }
catch (std::exception& e) { catch (std::exception &e) {
std::cout << "Error in context pointer: " << e.what() << std::endl; Logger::write("[tls] Error in context pointer: " + std::string(e.what()), Logger::LogLevel::Severe);
} }
return ctx; return ctx;
} }
void ClientConnection::on_fail(websocketpp::connection_hdl hdl) { void ClientConnection::on_fail(websocketpp::connection_hdl hdl) {
client::connection_ptr con = c.get_con_from_hdl(hdl); client::connection_ptr con = cli.get_con_from_hdl(hdl);
// Print as much information as possible // Print as much information as possible
c.get_elog().write(websocketpp::log::elevel::warn, Logger::write("Fail handler: \n" +
"Fail handler: \n" +
std::to_string(con->get_state()) + "\n" + std::to_string(con->get_state()) + "\n" +
std::to_string(con->get_local_close_code()) + "\n" + std::to_string(con->get_local_close_code()) + "\n" +
con->get_local_close_reason() + "\n" + con->get_local_close_reason() + "\n" +
std::to_string(con->get_remote_close_code()) + "\n" + std::to_string(con->get_remote_close_code()) + "\n" +
con->get_remote_close_reason() + "\n" + con->get_remote_close_reason() + "\n" +
std::to_string(con->get_ec().value()) + " - " + con->get_ec().message() + "\n"); std::to_string(con->get_ec().value()) + " - " + con->get_ec().message() + "\n",
Logger::LogLevel::Severe);
} }
void ClientConnection::on_open(websocketpp::connection_hdl hdl) { void ClientConnection::on_open(websocketpp::connection_hdl hdl) {
Logger::write("Connection opened", Logger::LogLevel::Debug);
} }
void ClientConnection::on_message(websocketpp::connection_hdl hdl, message_ptr message) { void ClientConnection::on_message(websocketpp::connection_hdl hdl, message_ptr message) {
if (message->get_opcode() != websocketpp::frame::opcode::text) { if (message->get_opcode() != websocketpp::frame::opcode::text) {
// If the message is not text, just print as hex // If the message is not text, just print as hex
std::cout << "<< " << websocketpp::utility::to_hex(message->get_payload()) << std::endl; Logger::write("Non-text message received: " + websocketpp::utility::to_hex(message->get_payload()), Logger::LogLevel::Warning);
return; return;
} }
// Pass the message to the gateway handler // Pass the message to the gateway handler
gh->handle_data(message->get_payload(), c, hdl); gh.handle_data(message->get_payload(), cli, hdl);
} }
void ClientConnection::on_close(websocketpp::connection_hdl) { void ClientConnection::on_close(websocketpp::connection_hdl) {
std::cout << "Closed." << std::endl; Logger::write("Connection closed", Logger::LogLevel::Info);
cli.stop();
} }

15
TriviaBot/bot/ClientConnection.hpp
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@ -5,6 +5,8 @@
#include <websocketpp/config/asio_client.hpp> #include <websocketpp/config/asio_client.hpp>
#include "json/json.hpp" #include "json/json.hpp"
#include "GatewayHandler.hpp"
typedef websocketpp::client<websocketpp::config::asio_tls_client> client; typedef websocketpp::client<websocketpp::config::asio_tls_client> client;
using websocketpp::lib::bind; using websocketpp::lib::bind;
@ -14,15 +16,20 @@ typedef websocketpp::config::asio_tls_client::message_type::ptr message_ptr;
typedef websocketpp::lib::shared_ptr<boost::asio::ssl::context> context_ptr; typedef websocketpp::lib::shared_ptr<boost::asio::ssl::context> context_ptr;
typedef client::connection_ptr connection_ptr; typedef client::connection_ptr connection_ptr;
#include "GatewayHandler.hpp" class BotConfig;
class ClientConnection { class ClientConnection {
public: public:
ClientConnection(); ClientConnection(BotConfig &c);
// Open a connection to the URI provided // Open a connection to the URI provided
void start(std::string uri); void start(std::string uri);
private:
client cli;
BotConfig &config;
GatewayHandler gh;
// Event handlers // Event handlers
void on_socket_init(websocketpp::connection_hdl); void on_socket_init(websocketpp::connection_hdl);
context_ptr on_tls_init(websocketpp::connection_hdl); context_ptr on_tls_init(websocketpp::connection_hdl);
@ -30,10 +37,6 @@ public:
void on_open(websocketpp::connection_hdl hdl); void on_open(websocketpp::connection_hdl hdl);
void on_message(websocketpp::connection_hdl hdl, message_ptr message); void on_message(websocketpp::connection_hdl hdl, message_ptr message);
void on_close(websocketpp::connection_hdl); void on_close(websocketpp::connection_hdl);
private:
client c;
std::unique_ptr<GatewayHandler> gh;
}; };
#endif #endif

84
TriviaBot/bot/DiscordAPI.cpp Normal file
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@ -0,0 +1,84 @@
#include "DiscordAPI.hpp"
#include <cstdio>
#include <thread>
#include <chrono>
#include "http/HTTP.hpp"
#include "Logger.hpp"
using namespace std::chrono_literals;
namespace DiscordAPI {
const std::string base_url = "https://discordapp.com/api";
const std::string channels_url = base_url + "/channels";
const std::string gateway_url = base_url + "/gateway";
const std::string json_mime_type = "application/json";
void send_message(std::string channel_id, std::string message, std::string token, std::string ca_location) {
if (message == "") {
Logger::write("[API] [send_message] Tried to send empty message", Logger::LogLevel::Warning);
return;
}
if (message.length() > 4000) {
Logger::write("[API] [send_message] Tried to send a message over 4000 characters", Logger::LogLevel::Warning);
return;
}
else if (message.length() > 2000) {
std::cout << message.length() << std::endl;
std::string first = message.substr(0, 2000);
std::string second = message.substr(2000);
send_message(channel_id, first, token, ca_location);
std::this_thread::sleep_for(50ms);
send_message(channel_id, second, token, ca_location);
return;
}
const std::string url = channels_url + "/" + channel_id + "/messages";
json data = {
{ "content", message }
};
std::string response;
long response_code = 0;
response = HTTP::post_request(url, json_mime_type, data.dump(), &response_code, token, ca_location);
int retries = 0;
while (response_code != 200 && retries < 2) {
Logger::write("[API] [send_message] Got non-200 response code, retrying", Logger::LogLevel::Warning);
std::this_thread::sleep_for(100ms);
// try 3 times. usually enough to prevent 502 bad gateway issues
response = HTTP::post_request(url, json_mime_type, data.dump(), &response_code, token, ca_location);
retries++;
}
if (response_code != 200) {
Logger::write("[API] [send_message] Giving up on sending message", Logger::LogLevel::Warning);
}
}
json get_gateway(std::string ca_location) {
std::string response;
long response_code;
response = HTTP::get_request(gateway_url, &response_code, "", ca_location);
int retries = 0;
while (response_code != 200 && retries < 4) {
Logger::write("[API] [get_gateway] Got non-200 response code, retrying", Logger::LogLevel::Warning);
std::this_thread::sleep_for(100ms);
// try 3 times. usually enough to prevent 502 bad gateway issues
response = HTTP::get_request(gateway_url, &response_code, "", ca_location);
retries++;
}
if (response_code != 200) {
Logger::write("[API] [get_gateway] Giving up on getting gateway url", Logger::LogLevel::Warning);
return json {};
}
return json::parse(response);
}
}

17
TriviaBot/bot/DiscordAPI.hpp Normal file
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@ -0,0 +1,17 @@
#ifndef BOT_APIHELPER
#define BOT_APIHELPER
#include <string>
#include "json/json.hpp"
using json = nlohmann::json;
class BotConfig;
namespace DiscordAPI {
json get_gateway(std::string ca_location);
void send_message(std::string channel_id, std::string message, std::string token, std::string ca_location);
}
#endif

720
TriviaBot/bot/GatewayHandler.cpp
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@ -2,15 +2,15 @@
#include <boost/algorithm/string.hpp> #include <boost/algorithm/string.hpp>
#include "APIHelper.hpp" #include "DiscordAPI.hpp"
#include "data_structures/User.hpp" #include "Logger.hpp"
#include "data_structures/GuildMember.hpp"
#include "BotConfig.hpp"
extern std::string bot_token; GatewayHandler::GatewayHandler(BotConfig &c) : config(c) {
GatewayHandler::GatewayHandler() {
last_seq = 0; last_seq = 0;
ah = new APIHelper(); CommandHelper::init();
} }
void GatewayHandler::handle_data(std::string data, client &c, websocketpp::connection_hdl &hdl) { void GatewayHandler::handle_data(std::string data, client &c, websocketpp::connection_hdl &hdl) {
@ -26,14 +26,22 @@ void GatewayHandler::handle_data(std::string data, client &c, websocketpp::conne
on_hello(decoded, c, hdl); on_hello(decoded, c, hdl);
break; break;
case 11: case 11:
c.get_alog().write(websocketpp::log::alevel::app, "Heartbeat acknowledged."); Logger::write("Heartbeat acknowledged", Logger::LogLevel::Debug);
break; break;
} }
} }
void GatewayHandler::heartbeat(client *c, websocketpp::connection_hdl hdl, int interval) { void GatewayHandler::send_heartbeat(client *c, websocketpp::connection_hdl hdl, int interval) {
while (true) { while (true) {
boost::this_thread::sleep(boost::posix_time::milliseconds(interval)); boost::this_thread::sleep(boost::posix_time::milliseconds(interval));
if (!c) {
Logger::write("[send_heartbeat] Client pointer is null", Logger::LogLevel::Severe);
break;
}
else if (c->stopped()) {
break;
}
json heartbeat = { json heartbeat = {
{ "op", 1 }, { "op", 1 },
@ -42,18 +50,53 @@ void GatewayHandler::heartbeat(client *c, websocketpp::connection_hdl hdl, int i
c->send(hdl, heartbeat.dump(), websocketpp::frame::opcode::text); c->send(hdl, heartbeat.dump(), websocketpp::frame::opcode::text);
c->get_alog().write(websocketpp::log::alevel::app, "Sent heartbeat. (seq: " + std::to_string(last_seq) + ")"); Logger::write("Sent heartbeat (seq: " + std::to_string(last_seq) + ")", Logger::LogLevel::Debug);
} }
} }
void GatewayHandler::send_identify(client &c, websocketpp::connection_hdl &hdl) {
json identify = {
{ "op", 2 },
{ "d", {
{ "token", config.token },
{ "properties",{
{ "$browser", "Microsoft Windows 10" },
{ "$device", "TriviaBot-0.0" },
{ "$referrer", "" },
{ "$referring_domain", "" }
} },
{ "compress", false },
{ "large_threshold", 250 },
{ "shard",{ 0, 1 } }
} }
};
c.send(hdl, identify.dump(), websocketpp::frame::opcode::text);
Logger::write("Sent identify payload", Logger::LogLevel::Debug);
}
void GatewayHandler::send_request_guild_members(client &c, websocketpp::connection_hdl &hdl, std::string guild_id) {
json request_guild_members = {
{ "op", 8 },
{ "d", {
{ "guild_id", guild_id },
{ "query", "" },
{ "limit", 0 }
} }
};
c.send(hdl, request_guild_members.dump(), websocketpp::frame::opcode::text);
Logger::write("Requested guild members for " + guild_id, Logger::LogLevel::Debug);
}
void GatewayHandler::on_hello(json decoded, client &c, websocketpp::connection_hdl &hdl) { void GatewayHandler::on_hello(json decoded, client &c, websocketpp::connection_hdl &hdl) {
heartbeat_interval = decoded["d"]["heartbeat_interval"]; heartbeat_interval = decoded["d"]["heartbeat_interval"];
c.get_alog().write(websocketpp::log::alevel::app, "Heartbeat interval: " + std::to_string(heartbeat_interval / 1000.0f) + " seconds"); Logger::write("Heartbeat interval: " + std::to_string(heartbeat_interval / 1000.0f) + " seconds", Logger::LogLevel::Debug);
heartbeat_thread = std::make_unique<boost::thread>(boost::bind(&GatewayHandler::heartbeat, this, &c, hdl, heartbeat_interval)); heartbeat_thread = std::make_unique<boost::thread>(boost::bind(&GatewayHandler::send_heartbeat, this, &c, hdl, heartbeat_interval));
identify(c, hdl); send_identify(c, hdl);
} }
void GatewayHandler::on_dispatch(json decoded, client &c, websocketpp::connection_hdl &hdl) { void GatewayHandler::on_dispatch(json decoded, client &c, websocketpp::connection_hdl &hdl) {
@ -62,125 +105,554 @@ void GatewayHandler::on_dispatch(json decoded, client &c, websocketpp::connectio
json data = decoded["d"]; json data = decoded["d"];
if (event_name == "READY") { if (event_name == "READY") {
user_object.load_from_json(data["user"]); on_event_ready(data);
c.get_alog().write(websocketpp::log::alevel::app, "Sign-on confirmed. (@" + user_object.username + "#" + user_object.discriminator + ")");
} }
else if (event_name == "GUILD_CREATE") { else if (event_name == "GUILD_CREATE") {
std::string guild_id = data["id"]; on_event_guild_create(data);
try { }
guilds[guild_id] = std::make_unique<DiscordObjects::Guild>(data); else if (event_name == "GUILD_UPDATE") {
} on_event_guild_update(data);
catch (std::domain_error err) { }
// this doesn't even work else if (event_name == "GUILD_DELETE") {
c.get_alog().write(websocketpp::log::elevel::rerror, "Domain error"); on_event_guild_delete(data);
} }
else if (event_name == "GUILD_MEMBER_ADD") {
on_event_guild_member_add(data);
c.get_alog().write(websocketpp::log::alevel::app, "Loaded guild: " + guilds[guild_id]->name); }
else if (event_name == "GUILD_MEMBER_UPDATE") {
for (json channel : data["channels"]) { on_event_guild_member_update(data);
std::string channel_id = channel["id"]; }
channel["guild_id"] = guild_id; else if (event_name == "GUILD_MEMBER_REMOVE") {
// create channel obj, add to overall channel list on_event_guild_member_remove(data);
channels[channel_id] = std::make_shared<DiscordObjects::Channel>(channel); }
// add ptr to said channel list to guild's channel list else if (event_name == "GUILD_ROLE_CREATE") {
guilds[guild_id]->channels.push_back(std::shared_ptr<DiscordObjects::Channel>(channels[channel_id])); on_event_guild_role_create(data);
} }
else if (event_name == "GUILD_ROLE_UPDATE") {
on_event_guild_role_update(data);
}
else if (event_name == "GUILD_ROLE_DELETE") {
on_event_guild_role_delete(data);
}
else if (event_name == "CHANNEL_CREATE") {
on_event_channel_create(data);
}
else if (event_name == "CHANNEL_UPDATE") {
on_event_channel_update(data);
}
else if (event_name == "CHANNEL_DELETE") {
on_event_channel_delete(data);
} }
else if (event_name == "TYPING_START") {}
else if (event_name == "MESSAGE_CREATE") { else if (event_name == "MESSAGE_CREATE") {
std::string message = data["content"]; on_event_message_create(data, c, hdl);
auto channel = channels[data["channel_id"]]; }
else if (event_name == "PRESENCE_UPDATE") {
DiscordObjects::User sender(data["author"]); on_event_presence_update(data);
std::vector<std::string> words;
boost::split(words, message, boost::is_any_of(" "));
if (words[0] == "`trivia" || words[0] == "`t") {
int questions = 10;
int delay = 8;
if (words.size() > 3) {
ah->send_message(channel->id, ":exclamation: Invalid arguments!");
return;
}
else if(words.size() > 1) {
if (words[1] == "help" || words[1] == "h") {
std::string help = "**Base command \\`t[rivia]**. Arguments:\n";
help += "\\`trivia **{x}** **{y}**: Makes the game last **x** number of questions, optionally sets the time interval between hints to **y** seconds\n";
help += "\\`trivia **stop**: stops the ongoing game.\n";
help += "\\`trivia **help**: prints this message\n";
ah->send_message(channel->id, help);
return;
}
else if (words[1] == "stop" || words[1] == "s") {
if (games.find(channel->id) != games.end()) {
delete_game(channel->id);
return;
}
}
else {
try {
questions = std::stoi(words[1]);
if (words.size() == 3) {
delay = std::stoi(words[2]);
}
}
catch (std::invalid_argument e) {
ah->send_message(channel->id, ":exclamation: Invalid arguments!");
return;
}
}
}
games[channel->id] = std::make_unique<TriviaGame>(this, ah, channel->id, questions, delay);
games[channel->id]->start();
}
else if (words[0] == "`channels") {
std::string m = "Channel List:\n";
for (auto ch : channels) {
m += "> " + ch.second->name + " (" + ch.second->id + ") [" + ch.second->type + "] Guild: "
+ guilds[ch.second->guild_id]->name + " (" + ch.second->guild_id + ")\n";
}
ah->send_message(channel->id, m);
}
else if (words[0] == "`guilds") {
std::string m = "Guild List:\n";
for (auto &gu : guilds) {
m += "> " + gu.second->name + " (" + gu.second->id + ") Channels: " + std::to_string(gu.second->channels.size()) + "\n";
}
ah->send_message(channel->id, m);
}
else if (words[0] == "`info") {
ah->send_message(channel->id, ":information_source: trivia-bot by Jack. <http://github.com/jackb-p/TriviaDiscord>");
}
else if (games.find(channel->id) != games.end()) { // message received in channel with ongoing game
games[channel->id]->handle_answer(message, sender);
}
} }
} }
void GatewayHandler::identify(client &c, websocketpp::connection_hdl &hdl) { void GatewayHandler::on_event_ready(json data) {
json identify = { user_object.load_from_json(data["user"]);
{ "op", 2 },
{ "d", {
{ "token", bot_token },
{ "properties", {
{ "$browser", "Microsoft Windows 10" },
{ "$device", "TriviaBot-0.0" },
{ "$referrer", "" },
{ "$referring_domain", "" }
} },
{ "compress", false },
{ "large_threshold", 250 },
{ "shard", { 0, 1 } }
} }
};
c.send(hdl, identify.dump(), websocketpp::frame::opcode::text); Logger::write("Sign-on confirmed. (@" + user_object.username + "#" + user_object.discriminator + ")", Logger::LogLevel::Info);
c.get_alog().write(websocketpp::log::alevel::app, "Sent identify payload."); }
void GatewayHandler::on_event_presence_update(json data) {
std::string user_id = data["user"]["id"];
auto it = users.find(user_id);
if (it != users.end()) {
it->second.status = data.value("status", "offline");
if (data["game"] == nullptr) {
it->second.game = "null";
}
else {
it->second.game = data["game"].value("name", "null");
}
}
else {
Logger::write("Tried to add presence for user " + user_id + " who doesn't exist", Logger::LogLevel::Warning);
}
}
void GatewayHandler::on_event_guild_create(json data) {
guilds[data["id"]] = DiscordObjects::Guild(data);
DiscordObjects::Guild &guild = guilds[data["id"]];
Logger::write("Received info for guild " + guild.id + ", now in " + std::to_string(guilds.size()) + " guild(s)", Logger::LogLevel::Info);
int channels_added = 0, roles_added = 0, members_added = 0, presences_added = 0;
for (json channel : data["channels"]) {
std::string channel_id = channel["id"];
channel["guild_id"] = guild.id;
channels[channel_id] = DiscordObjects::Channel(channel);
guilds[guild.id].channels.push_back(&channels[channel_id]);
channels_added++;
}
for (json role : data["roles"]) {
std::string role_id = role["id"];
roles[role_id] = DiscordObjects::Role(role);
guilds[guild.id].roles.push_back(&roles[role_id]);
roles_added++;
}
for (json member : data["members"]) {
std::string user_id = member["user"]["id"];
auto it = users.find(user_id);
if (it == users.end()) { // new user
users[user_id] = DiscordObjects::User(member["user"]);
}
users[user_id].guilds.push_back(guild.id);
DiscordObjects::GuildMember *guild_member = new DiscordObjects::GuildMember(member, &users[user_id]);
for (std::string role_id : member["roles"]) {
guild_member->roles.push_back(&roles[role_id]);
}
guilds[guild.id].members.push_back(guild_member);
members_added++;
}
for (json presence : data["presences"]) {
std::string user_id = presence["user"]["id"];
auto it = users.find(user_id);
if (it != users.end()) {
it->second.status = presence.value("status", "offline");
if (presence["game"] == nullptr) {
it->second.game = "null";
} else {
it->second.game = presence["game"].value("name", "null");
}
presences_added++;
}
else {
Logger::write("Tried to add presence for user " + user_id + " who doesn't exist", Logger::LogLevel::Warning);
}
}
if (v8_instances.count(guild.id) == 0) {
v8_instances[guild.id] = std::make_unique<V8Instance>(config, guild.id, &guilds, &channels, &users, &roles);
Logger::write("Created v8 instance for guild " + guild.id, Logger::LogLevel::Debug);
}
Logger::write("Loaded " + std::to_string(channels_added) + " channels, " + std::to_string(roles_added) + " roles and "
+ std::to_string(members_added) + " members (with " + std::to_string(presences_added) + " presences) to guild " + guild.id, Logger::LogLevel::Debug);
}
void GatewayHandler::on_event_guild_update(json data) {
std::string guild_id = data["id"];
guilds[guild_id].load_from_json(data);
Logger::write("Updated guild " + guild_id, Logger::LogLevel::Debug);
}
void GatewayHandler::on_event_guild_delete(json data) {
std::string guild_id = data["id"];
bool unavailable = data.value("unavailable", false);
if (unavailable) {
Logger::write("Guild " + guild_id + " has become unavailable", Logger::LogLevel::Info);
guilds[guild_id].unavailable = true;
} else {
int channels_removed = 0;
for (auto it = channels.cbegin(); it != channels.cend();) {
if (it->second.guild_id == guild_id) {
channels.erase(it++);
channels_removed++;
} else {
++it;
}
}
guilds.erase(guilds.find(guild_id));
Logger::write("Guild " + guild_id + " and " + std::to_string(channels_removed) + " channels removed", Logger::LogLevel::Info);
}
}
void GatewayHandler::on_event_guild_member_add(json data) {
std::string guild_id = data["guild_id"];
std::string user_id = data["user"]["id"];
auto it = users.find(user_id);
if (it == users.end()) { // new user
users[user_id] = DiscordObjects::User(data["user"]);
}
users[user_id].guilds.push_back(guild_id);
DiscordObjects::GuildMember *guild_member = new DiscordObjects::GuildMember(data, &users[user_id]);
for (std::string role_id : data["roles"]) {
guild_member->roles.push_back(&roles[role_id]);
}
guilds[guild_id].members.push_back(guild_member);
Logger::write("Added new member " + guild_member->user->id + " to guild " + guild_id, Logger::LogLevel::Debug);
}
void GatewayHandler::on_event_guild_member_update(json data) {
std::string user_id = data["user"]["id"];
DiscordObjects::Guild &guild = guilds[data["guild_id"]];
auto it = std::find_if(guild.members.begin(), guild.members.end(), [user_id](DiscordObjects::GuildMember *member) {
return user_id == member->user->id;
});
if (it != guild.members.end()) {
bool nick_changed = false;
int roles_change = 0;
DiscordObjects::GuildMember *member = (*it);
std::string nick = data.value("nick", "null");
if (member->nick != nick) {
member->nick = nick;
nick_changed = true;
}
roles_change = member->roles.size();
member->roles.clear(); // reset and re-fill, changing the differences is probably more expensive anyway.
for (std::string role_id : data["roles"]) {
member->roles.push_back(&roles[role_id]);
}
roles_change = member->roles.size() - roles_change;
std::string debug_string = "Updated member " + user_id + " of guild " + guild.id;
if (nick_changed) debug_string += ". Nick changed to " + nick;
if (roles_change != 0) debug_string += ". No. of roles changed by " + std::to_string(roles_change);
debug_string += ".";
Logger::write(debug_string, Logger::LogLevel::Debug);
}
else {
Logger::write("Tried to update member " + user_id + " (of guild " + guild.id + ") who does not exist.", Logger::LogLevel::Warning);
}
}
void GatewayHandler::on_event_guild_member_remove(json data) {
DiscordObjects::Guild &guild = guilds[data["guild_id"]];
std::string user_id = data["user"]["id"];
auto it = std::find_if(guild.members.begin(), guild.members.end(), [user_id](DiscordObjects::GuildMember *member) {
return user_id == member->user->id;
});
if (it != guild.members.end()) {
delete (*it);
guild.members.erase(it);
users[user_id].guilds.erase(std::remove(users[user_id].guilds.begin(), users[user_id].guilds.end(), guild.id));
if (users[user_id].guilds.size() == 0) {
users.erase(users.find(user_id));
Logger::write("User " + user_id + " removed from guild " + guild.id + " and no longer visible, deleted.", Logger::LogLevel::Debug);
}
else {
Logger::write("User " + user_id + " removed from guild " + guild.id, Logger::LogLevel::Debug);
}
}
else {
Logger::write("Tried to remove guild member " + user_id + " who doesn't exist", Logger::LogLevel::Warning);
}
}
void GatewayHandler::on_event_guild_role_create(json data) {
std::string role_id = data["role"]["id"];
std::string guild_id = data["guild_id"];
roles[role_id] = DiscordObjects::Role(data["role"]);
guilds[guild_id].roles.push_back(&roles[role_id]);
Logger::write("Created role " + role_id + " on guild " + guild_id, Logger::LogLevel::Debug);
}
void GatewayHandler::on_event_guild_role_update(json data) {
std::string role_id = data["role"]["id"];
roles[role_id].load_from_json(data["role"]);
}
void GatewayHandler::on_event_guild_role_delete(json data) {
std::string role_id = data["role_id"];
auto it = roles.find(role_id);
if (it != roles.end()) {
DiscordObjects::Guild &guild = guilds[data["guild_id"]];
auto check_lambda = [role_id](const DiscordObjects::Role *r) {
return r->id == role_id;
};
auto it2 = std::find_if(guild.roles.begin(), guild.roles.end(), check_lambda);
if (it2 != guild.roles.end()) {
guild.roles.erase(it2);
}
else {
Logger::write("Tried to delete role " + role_id + " from guild " + guild.id + " but it doesn't exist there", Logger::LogLevel::Warning);
}
roles.erase(it);
Logger::write("Deleted role " + role_id + " (guild " + guild.id + ").", Logger::LogLevel::Debug);
}
else {
Logger::write("Tried to delete role " + role_id + " but it doesn't exist.", Logger::LogLevel::Warning);
}
}
void GatewayHandler::on_event_channel_create(json data) {
std::string channel_id = data["id"];
std::string guild_id = data["guild_id"];
channels[channel_id] = DiscordObjects::Channel(data);
Logger::write("Added channel " + channel_id + " to channel list. Now " + std::to_string(channels.size()) + " channels stored", Logger::LogLevel::Debug);
guilds[guild_id].channels.push_back(&channels[channel_id]);
Logger::write("Added channel " + channel_id + " to guild " + guild_id + "'s list. Now " + std::to_string(guilds[guild_id].channels.size()) + " channels stored", Logger::LogLevel::Debug);
}
void GatewayHandler::on_event_channel_update(json data) {
std::string channel_id = data["id"];
auto it = channels.find(channel_id);
if (it == channels.end()) {
Logger::write("Got channel update for channel " + channel_id + " that doesn't exist. Creating channel instead.", Logger::LogLevel::Warning);
on_event_channel_create(data);
} else {
channels[channel_id].load_from_json(data);
Logger::write("Updated channel " + channel_id, Logger::LogLevel::Debug);
}
}
void GatewayHandler::on_event_channel_delete(json data) {
std::string channel_id = data["id"];
std::string guild_id = data["guild_id"];
auto it = channels.find(channel_id);
if (it == channels.end()) {
Logger::write("Tried to delete channel " + channel_id + " which doesn't exist", Logger::LogLevel::Warning);
}
else {
auto it2 = std::find_if(guilds[guild_id].channels.begin(), guilds[guild_id].channels.begin(), [channel_id](const DiscordObjects::Channel *c) {
return c->id == channel_id;
});
guilds[guild_id].channels.erase(it2);
Logger::write("Removed channel " + channel_id + " from guild " + guild_id + "'s list. Now "
+ std::to_string(guilds[guild_id].channels.size()) + " channels stored", Logger::LogLevel::Debug);
channels.erase(it);
Logger::write("Removed channel " + channel_id + " from channel list. Now " + std::to_string(channels.size()) + " channels stored.", Logger::LogLevel::Debug);
}
}
void GatewayHandler::on_event_message_create(json data, client &c, websocketpp::connection_hdl &hdl) {
std::string message = data["content"];
DiscordObjects::Channel &channel = channels[data["channel_id"]];
DiscordObjects::Guild &guild = guilds[channel.guild_id];
DiscordObjects::User &sender = users[data["author"]["id"]];
if (sender.bot) return;
std::vector<std::string> words;
boost::split(words, message, boost::is_any_of(" "));
CommandHelper::Command custom_command;
if (words[0] == "`trivia" || words[0] == "`t") {
int questions = 10;
int delay = 8;
if (words.size() > 3) {
DiscordAPI::send_message(channel.id, ":exclamation: Invalid arguments!", config.token, config.cert_location);
return;
}
else if (words.size() > 1) {
if (words[1] == "help" || words[1] == "h") {
std::string help = "**Base command \\`t[rivia]**. Arguments:\n";
help += "\\`trivia **{x}** **{y}**: Makes the game last **x** number of questions, optionally sets the time interval between hints to **y** seconds\n";
help += "\\`trivia **stop**: stops the ongoing game.\n";
help += "\\`trivia **help**: prints this message\n";
DiscordAPI::send_message(channel.id, help, config.token, config.cert_location);
return;
}
else if (words[1] == "stop" || words[1] == "s") {
if (games.find(channel.id) != games.end()) {
delete_game(channel.id);
}
else {
DiscordAPI::send_message(channel.id, ":warning: Couldn't find an ongoing trivia game for this channel.", config.token, config.cert_location);
}
return;
}
else {
try {
questions = std::stoi(words[1]);
if (words.size() == 3) {
delay = std::stoi(words[2]);
}
}
catch (std::invalid_argument e) {
DiscordAPI::send_message(channel.id, ":exclamation: Invalid arguments!", config.token, config.cert_location);
return;
}
}
}
games[channel.id] = std::make_unique<TriviaGame>(config, this, channel.id, questions, delay);
games[channel.id]->start();
}
else if (words[0] == "`guilds") {
std::string m = "**Guild List:**\n";
for (auto &gu : guilds) {
m += ":small_orange_diamond: " + gu.second.name + " (" + gu.second.id + ") Channels: " + std::to_string(gu.second.channels.size()) + "\n";
}
DiscordAPI::send_message(channel.id, m, config.token, config.cert_location);
}
else if (words[0] == "`info") {
DiscordAPI::send_message(channel.id, ":information_source: **trivia-bot** by Jack. <http://github.com/jackb-p/TriviaDiscord>", config.token, config.cert_location);
}
else if (words[0] == "~js" && words.size() > 1) {
DiscordObjects::GuildMember *member = *std::find_if(guild.members.begin(), guild.members.end(), [sender](DiscordObjects::GuildMember *m) {
return sender.id == m->user->id;
});
std::string js = message.substr(4);
auto it = v8_instances.find(channel.guild_id);
if (it != v8_instances.end() && js.length() > 0) {
it->second->exec_js(js, &channel, member);
}
}
else if (words[0] == "~createjs" && words.size() > 1) {
auto &member = *std::find_if(guild.members.begin(), guild.members.end(), [sender](DiscordObjects::GuildMember *m) { return sender.id == m->user->id; });
BotConfig &conf = config;
bool disallowed = std::find_if(member->roles.begin(), member->roles.end(), [conf](DiscordObjects::Role *r) -> bool {
return conf.createjs_roles.count(r->name);
}) == member->roles.end(); // checks if the user has the required roles
if (disallowed) {
DiscordAPI::send_message(channel.id, ":warning: You do not have permission to use this command.", config.token, config.cert_location);
return;
}
std::string args = message.substr(10);
size_t seperator_loc = args.find("|");
if (seperator_loc != std::string::npos) {
std::string command_name = args.substr(0, seperator_loc);
std::string script = args.substr(seperator_loc + 1);
int result = CommandHelper::insert_command(channel.guild_id, command_name, script);
switch (result) {
case 0:
DiscordAPI::send_message(channel.id, ":warning: Error!", config.token, config.cert_location); break;
case 1:
DiscordAPI::send_message(channel.id, ":new: Command `" + command_name + "` successfully created.", config.token, config.cert_location); break;
case 2:
DiscordAPI::send_message(channel.id, ":arrow_heading_up: Command `" + command_name + "` successfully updated.", config.token, config.cert_location); break;
}
}
}
else if (words[0] == "`shutdown" && sender.id == "82232146579689472") { // it me
DiscordAPI::send_message(channel.id, ":zzz: Goodbye!", config.token, config.cert_location);
for (auto &game : games) {
delete_game(game.first);
}
v8_instances.clear();
c.close(hdl, websocketpp::close::status::going_away, "");
}
else if (words[0] == "`debug") {
if (words[1] == "channel" && words.size() == 3) {
auto it = channels.find(words[2]);
if (it == channels.end()) {
DiscordAPI::send_message(channel.id, ":question: Unrecognised channel.", config.token, config.cert_location);
return;
}
DiscordAPI::send_message(channel.id, it->second.to_debug_string(), config.token, config.cert_location);
}
else if (words[1] == "guild" && words.size() == 3) {
auto it = guilds.find(words[2]);
if (it == guilds.end()) {
DiscordAPI::send_message(channel.id, ":question: Unrecognised guild.", config.token, config.cert_location);
return;
}
DiscordAPI::send_message(channel.id, it->second.to_debug_string(), config.token, config.cert_location);
}
else if (words[1] == "member" && words.size() == 4) {
auto it = guilds.find(words[2]);
if (it == guilds.end()) {
DiscordAPI::send_message(channel.id, ":question: Unrecognised guild.", config.token, config.cert_location);
return;
}
std::string user_id = words[3];
auto it2 = std::find_if(it->second.members.begin(), it->second.members.end(), [user_id](DiscordObjects::GuildMember *member) {
return user_id == member->user->id;
});
if (it2 == it->second.members.end()) {
DiscordAPI::send_message(channel.id, ":question: Unrecognised user.", config.token, config.cert_location);
return;
}
DiscordAPI::send_message(channel.id, (*it2)->to_debug_string(), config.token, config.cert_location);
}
else if (words[1] == "role" && words.size() == 3) {
auto it = roles.find(words[2]);
if (it == roles.end()) {
DiscordAPI::send_message(channel.id, ":question: Unrecognised role.", config.token, config.cert_location);
return;
}
DiscordAPI::send_message(channel.id, it->second.to_debug_string(), config.token, config.cert_location);
}
else if (words[1] == "role" && words.size() == 4) {
std::string role_name = words[3];
auto it = guilds.find(words[2]);
if (it == guilds.end()) {
DiscordAPI::send_message(channel.id, ":question: Unrecognised guild.", config.token, config.cert_location);
return;
}
auto it2 = std::find_if(it->second.roles.begin(), it->second.roles.end(), [role_name](DiscordObjects::Role *r) {
return role_name == r->name;
});
if (it2 == it->second.roles.end()) {
DiscordAPI::send_message(channel.id, ":question: Unrecognised role.", config.token, config.cert_location);
return;
}
DiscordAPI::send_message(channel.id, (*it2)->to_debug_string(), config.token, config.cert_location);
}
else {
DiscordAPI::send_message(channel.id, ":question: Unknown parameters.", config.token, config.cert_location);
}
}
else if (CommandHelper::get_command(channel.guild_id, words[0], custom_command)) {
std::string args = "";
if (message.length() > (words[0].length() + 1)) {
args = message.substr(words[0].length() + 1);
}
if (custom_command.script.length() == 0) {
DiscordAPI::send_message(channel.id, ":warning: Script has 0 length.", config.token, config.cert_location);
return;
}
auto it = v8_instances.find(channel.guild_id);
if (it == v8_instances.end()) {
DiscordAPI::send_message(channel.id, ":warning: No V8 instance exists for this server - it's our fault not yours!", config.token, config.cert_location);
return;
}
DiscordObjects::GuildMember *member = *std::find_if(guild.members.begin(), guild.members.end(), [sender](DiscordObjects::GuildMember *m) {
return sender.id == m->user->id;
});
it->second->exec_js(custom_command.script, &channel, member, args);
}
else if (games.find(channel.id) != games.end()) { // message received in channel with ongoing trivia game
games[channel.id]->handle_answer(message, sender);
}
} }
void GatewayHandler::delete_game(std::string channel_id) { void GatewayHandler::delete_game(std::string channel_id) {
@ -191,6 +663,6 @@ void GatewayHandler::delete_game(std::string channel_id) {
// remove from map // remove from map
games.erase(it); games.erase(it);
} else { } else {
std::cerr << "Tried to delete a game that didn't exist."; Logger::write("Tried to delete a game that didn't exist (channel_id: " + channel_id + ")", Logger::LogLevel::Warning);
} }
} }

62
TriviaBot/bot/GatewayHandler.hpp
View File

@ -9,9 +9,12 @@
#include "json/json.hpp" #include "json/json.hpp"
#include "TriviaGame.hpp" #include "TriviaGame.hpp"
#include "js/CommandHelper.hpp"
#include "js/V8Instance.hpp"
#include "data_structures/User.hpp" #include "data_structures/User.hpp"
#include "data_structures/Guild.hpp" #include "data_structures/Guild.hpp"
#include "data_structures/Channel.hpp" #include "data_structures/Channel.hpp"
#include "data_structures/Role.hpp"
typedef websocketpp::client<websocketpp::config::asio_tls_client> client; typedef websocketpp::client<websocketpp::config::asio_tls_client> client;
using json = nlohmann::json; using json = nlohmann::json;
@ -34,44 +37,71 @@ using json = nlohmann::json;
*****************************************************************************************************************************/ *****************************************************************************************************************************/
class TriviaGame; class TriviaGame;
class APIHelper; class BotConfig;
class GatewayHandler { class GatewayHandler {
public: public:
GatewayHandler(); GatewayHandler(BotConfig &c);
void handle_data(std::string data, client &c, websocketpp::connection_hdl &hdl); void handle_data(std::string data, client &c, websocketpp::connection_hdl &hdl);
void heartbeat(client *c, websocketpp::connection_hdl hdl, int interval);
void on_hello(json decoded, client &c, websocketpp::connection_hdl &hdl);
void on_dispatch(json decoded, client &c, websocketpp::connection_hdl &hdl);
void identify(client &c, websocketpp::connection_hdl &hdl);
void delete_game(std::string channel_id); void delete_game(std::string channel_id);
private: private:
BotConfig &config;
int last_seq; int last_seq;
int heartbeat_interval; int heartbeat_interval;
/* payload dispatchers */
void send_heartbeat(client *c, websocketpp::connection_hdl hdl, int interval);
void send_identify(client &c, websocketpp::connection_hdl &hdl);
void send_request_guild_members(client &c, websocketpp::connection_hdl &hdl, std::string guild_id); // not sure if required atm
/* payload handlers */
void on_hello(json decoded, client &c, websocketpp::connection_hdl &hdl);
void on_dispatch(json decoded, client &c, websocketpp::connection_hdl &hdl);
/* misc events */
void on_event_ready(json data); // https://discordapp.com/developers/docs/topics/gateway#ready
void on_event_presence_update(json data); // https://discordapp.com/developers/docs/topics/gateway#presence-update
/* guild events */
void on_event_guild_create(json data); // https://discordapp.com/developers/docs/topics/gateway#guild-create
void on_event_guild_update(json data); // https://discordapp.com/developers/docs/topics/gateway#guild-update
void on_event_guild_delete(json data); // https://discordapp.com/developers/docs/topics/gateway#guild-delete
void on_event_guild_member_add(json data); // https://discordapp.com/developers/docs/topics/gateway#guild-member-add
void on_event_guild_member_update(json data); // https://discordapp.com/developers/docs/topics/gateway#guild-member-update
void on_event_guild_member_remove(json data); // https://discordapp.com/developers/docs/topics/gateway#guild-member-remove
void on_event_guild_role_create(json data); // https://discordapp.com/developers/docs/topics/gateway#guild-role-create
void on_event_guild_role_update(json data); // https://discordapp.com/developers/docs/topics/gateway#guild-role-update
void on_event_guild_role_delete(json data); // https://discordapp.com/developers/docs/topics/gateway#guild-role-delete
/* channel events */
void on_event_channel_create(json data); // https://discordapp.com/developers/docs/topics/gateway#channel-create
void on_event_channel_update(json data); // https://discordapp.com/developers/docs/topics/gateway#channel-update
void on_event_channel_delete(json data); // https://discordapp.com/developers/docs/topics/gateway#channel-delete
/* message events */
void on_event_message_create(json data, client &c, websocketpp::connection_hdl &hdl); // https://discordapp.com/developers/docs/topics/gateway#message-create
const int protocol_version = 5; const int protocol_version = 5;
// bot's user obj // bot's user obj
DiscordObjects::User user_object; DiscordObjects::User user_object;
// <id, ptr to data> /* <id, obj> */
std::map<std::string, std::unique_ptr<DiscordObjects::Guild>> guilds; std::map<std::string, DiscordObjects::Guild> guilds;
// channels pointers are shared pointers, held here but also in guild objects std::map<std::string, DiscordObjects::Channel> channels;
std::map<std::string, std::shared_ptr<DiscordObjects::Channel>> channels; std::map<std::string, DiscordObjects::User> users;
std::map<std::string, DiscordObjects::Role> roles;
// <channel_id, game obj> // <channel_id, game obj>
std::map<std::string, std::unique_ptr<TriviaGame>> games; std::map<std::string, std::unique_ptr<TriviaGame>> games;
// <guild_id, v8 instance>
std::map<std::string, std::unique_ptr<V8Instance>> v8_instances;
std::unique_ptr<boost::thread> heartbeat_thread; std::unique_ptr<boost::thread> heartbeat_thread;
APIHelper *ah;
}; };
#endif #endif

47
TriviaBot/bot/Logger.cpp Normal file
View File

@ -0,0 +1,47 @@
#include "Logger.hpp"
#include <iostream>
#include <ctime>
namespace Logger {
std::ostream &operator<<(std::ostream &out, const LogLevel log_level) {
switch (log_level) {
case LogLevel::Debug:
return out << "debug";
case LogLevel::Info:
return out << "info";
case LogLevel::Warning:
return out << "warning";
case LogLevel::Severe:
return out << "severe";
}
return out << "";
}
std::ostream &get_ostream(LogLevel log_level) {
switch (log_level) {
case LogLevel::Debug:
case LogLevel::Info:
return std::clog;
case LogLevel::Severe:
case LogLevel::Warning:
return std::cerr;
}
return std::cerr;
}
void write(std::string text, LogLevel log_level) {
time_t rawtime;
struct tm *timeinfo;
char buffer[80];
time(&rawtime);
timeinfo = localtime(&rawtime);
strftime(buffer, 80, "%Y-%m-%d %H:%M:%S", timeinfo);
std::string time_str(buffer);
get_ostream(log_level) << "[" << time_str << "] [" << log_level << "] " << text << std::endl;
}
}

14
TriviaBot/bot/Logger.hpp Normal file
View File

@ -0,0 +1,14 @@
#ifndef BOT_LOGGER
#define BOT_LOGGER
#include <string>
namespace Logger {
enum class LogLevel {
Debug, Info, Warning, Severe
};
void write(std::string text, LogLevel log_level);
}
#endif

82
TriviaBot/bot/TriviaBot.cpp
View File

@ -1,40 +1,66 @@
#include <thread>
#include <chrono>
#include <curl/curl.h> #include <curl/curl.h>
#include <include/libplatform/libplatform.h>
#include <include/v8.h>
#include "ClientConnection.hpp" #include "ClientConnection.hpp"
#include "Logger.hpp"
std::string bot_token; #include "DiscordAPI.hpp"
#include "BotConfig.hpp"
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {
BotConfig config;
if (config.is_new_config) {
Logger::write("Since the config.json file is newly generated, the program will exit now to allow you to edit it.", Logger::LogLevel::Info);
return 0;
}
curl_global_init(CURL_GLOBAL_DEFAULT); curl_global_init(CURL_GLOBAL_DEFAULT);
if (argc == 2) { v8::V8::InitializeICUDefaultLocation(argv[0]);
bot_token = argv[1]; v8::V8::InitializeExternalStartupData(argv[0]);
} v8::Platform* platform = v8::platform::CreateDefaultPlatform();
else { v8::V8::InitializePlatform(platform);
std::cout << "Please enter your bot token: " << std::endl; v8::V8::Initialize();
std::cin >> bot_token;
Logger::write("Initialised V8 and curl", Logger::LogLevel::Debug);
std::string args = "/?v=5&encoding=json";
std::string url = DiscordAPI::get_gateway(config.cert_location).value("url", "wss://gateway.discord.gg");
bool retry = true;
int exit_code = 0;
while (retry) {
retry = false;
try {
ClientConnection conn(config);
conn.start(url + args);
}
catch (const std::exception &e) {
Logger::write("std exception: " + std::string(e.what()), Logger::LogLevel::Severe);
exit_code = 1;
}
catch (websocketpp::lib::error_code e) {
Logger::write("websocketpp exception: " + e.message(), Logger::LogLevel::Severe);
std::this_thread::sleep_for(std::chrono::seconds(10));
retry = true; // should just be an occasional connection issue
}
catch (...) {
Logger::write("other exception.", Logger::LogLevel::Severe);
exit_code = 2;
}
} }
// todo: get this using API v8::V8::Dispose();
std::string uri = "wss://gateway.discord.gg/?v=5&encoding=json"; v8::V8::ShutdownPlatform();
delete platform;
try {
ClientConnection conn;
conn.start(uri);
}
catch (const std::exception & e) {
std::cerr << e.what() << std::endl;
}
catch (websocketpp::lib::error_code e) {
std::cerr << e.message() << std::endl;
}
catch (...) {
std::cerr << "other exception" << std::endl;
}
std::getchar();
curl_global_cleanup(); curl_global_cleanup();
return 0; Logger::write("Cleaned up", Logger::LogLevel::Info);
}
return exit_code;
}

64
TriviaBot/bot/TriviaBot.cpp.save Normal file
View File

@ -0,0 +1,64 @@
#include <curl/curl.h>
#include <include/libplatform/libplatform.>
#include <include/v8.h>
#include "ClientConnection.hpp"
#include "Logger.hpp"
#include "DiscordAPI.hpp"
std::string bot_token;
int main(int argc, char *argv[]) {
curl_global_init(CURL_GLOBAL_DEFAULT);
v8::V8::InitializeICUDefaultLocation(argv[0]);
v8::V8::InitializeExternalStartupData(argv[0]);
v8::Platform* platform = v8::platform::CreateDefaultPlatform();
v8::V8::InitializePlatform(platform);
v8::V8::Initialize();
Logger::write("Initialised V8 and curl", Logger::LogLevel::Debug);
if (argc == 2) {
bot_token = argv[1];
}
else {
std::cout << "Please enter your bot token: " << std::endl;
std::cin >> bot_token;
}
std::string args = "/?v=5&encoding=json";
std::string url = DiscordAPI::get_gateway().value("url", "wss://gateway.discord.gg");
bool retry = true;
while (retry) {
try {
ClientConnection conn;
conn.start(url + args);
}
catch (const std::exception &e) {
Logger::write("std exception: " + std::string(e.what()), Logger::LogLevel::Severe);
retry = false;
}
catch (websocketpp::lib::error_code e) {
Logger::write("websocketpp exception: " + e.message(), Logger::LogLevel::Severe);
}
catch (...) {
Logger::write("other exception.", Logger::LogLevel::Severe);
retry = false;
}
}
v8::V8::Dispose();
v8::V8::ShutdownPlatform();
delete platform;
curl_global_cleanup();
Logger::write("Cleaned up", Logger::LogLevel::Info);
std::cout << "Press enter to exit" << std::endl;
std::getchar();
return 0;
}

49
TriviaBot/bot/TriviaGame.cpp
View File

@ -10,12 +10,13 @@
#include <boost/regex.hpp> #include <boost/regex.hpp>
#include "GatewayHandler.hpp" #include "GatewayHandler.hpp"
#include "APIHelper.hpp" #include "DiscordAPI.hpp"
#include "data_structures/User.hpp" #include "data_structures/User.hpp"
#include "Logger.hpp"
#include "BotConfig.hpp"
TriviaGame::TriviaGame(GatewayHandler *gh, APIHelper *ah, std::string channel_id, int total_questions, int delay) : interval(delay) { TriviaGame::TriviaGame(BotConfig &c, GatewayHandler *gh, std::string channel_id, int total_questions, int delay) : config(c), interval(delay) {
this->gh = gh; this->gh = gh;
this->ah = ah;
this->channel_id = channel_id; this->channel_id = channel_id;
this->total_questions = total_questions; this->total_questions = total_questions;
@ -26,7 +27,7 @@ TriviaGame::~TriviaGame() {
current_thread.reset(); current_thread.reset();
if (scores.size() == 0) { if (scores.size() == 0) {
ah->send_message(channel_id, ":red_circle: Game cancelled!"); DiscordAPI::send_message(channel_id, ":red_circle: Game cancelled!", config.token, config.cert_location);
return; return;
} }
@ -50,13 +51,13 @@ TriviaGame::~TriviaGame() {
average_time.pop_back(); average_time.pop_back(); average_time.pop_back(); average_time.pop_back(); average_time.pop_back(); average_time.pop_back();
message += ":small_blue_diamond: <@!" + p.first + ">: " + std::to_string(p.second) + " (Avg: " + average_time + " seconds)\n"; message += ":small_blue_diamond: <@!" + p.first + ">: " + std::to_string(p.second) + " (Avg: " + average_time + " seconds)\n";
} }
ah->send_message(channel_id, message); DiscordAPI::send_message(channel_id, message, config.token, config.cert_location);
sqlite3 *db; int rc; std::string sql; sqlite3 *db; int rc; std::string sql;
rc = sqlite3_open("bot/db/trivia.db", &db); rc = sqlite3_open("bot/db/trivia.db", &db);
if (rc) { if (rc) {
std::cerr << "Cant't open database: " << sqlite3_errmsg(db) << std::endl; Logger::write("Can't open database: " + *sqlite3_errmsg(db), Logger::LogLevel::Severe);
} }
std::string sql_in_list; std::string sql_in_list;
@ -71,7 +72,7 @@ TriviaGame::~TriviaGame() {
rc = sqlite3_prepare_v2(db, sql.c_str(), -1, &stmt, 0); rc = sqlite3_prepare_v2(db, sql.c_str(), -1, &stmt, 0);
if (rc != SQLITE_OK) { if (rc != SQLITE_OK) {
std::cerr << "SQL error." << std::endl; Logger::write("Error creating prepared statement: " + *sqlite3_errmsg(db), Logger::LogLevel::Severe);
} }
// insert arguments // insert arguments
@ -79,7 +80,7 @@ TriviaGame::~TriviaGame() {
rc = sqlite3_bind_text(stmt, i + 1, pairs[i].first.c_str(), -1, (sqlite3_destructor_type) -1); rc = sqlite3_bind_text(stmt, i + 1, pairs[i].first.c_str(), -1, (sqlite3_destructor_type) -1);
if (rc != SQLITE_OK) { if (rc != SQLITE_OK) {
std::cerr << "SQL error." << std::endl; Logger::write("Error binding prepared statement argument: " + *sqlite3_errmsg(db), Logger::LogLevel::Severe);
break; break;
} }
} }
@ -97,7 +98,7 @@ TriviaGame::~TriviaGame() {
data[id] = std::pair<int, int>(total_score, average_time); data[id] = std::pair<int, int>(total_score, average_time);
} else if (rc != SQLITE_DONE) { } else if (rc != SQLITE_DONE) {
sqlite3_finalize(stmt); sqlite3_finalize(stmt);
std::cerr << "SQLite error." << std::endl; Logger::write("Error fetching results: " + *sqlite3_errmsg(db), Logger::LogLevel::Severe);
break; break;
} }
} }
@ -105,7 +106,7 @@ TriviaGame::~TriviaGame() {
std::string update_sql; std::string update_sql;
if (data.size() < scores.size()) { // some users dont have entries yet if (data.size() < scores.size()) { // some users dont have entries yet
std::string sql = "INSERT INTO TotalScores (User, TotalScore, AverageTime) VALUES "; sql = "INSERT INTO TotalScores (User, TotalScore, AverageTime) VALUES ";
for (auto &i : scores) { for (auto &i : scores) {
if (data.find(i.first) == data.end()) { if (data.find(i.first) == data.end()) {
sql += "(?, ?, ?),"; sql += "(?, ?, ?),";
@ -116,7 +117,7 @@ TriviaGame::~TriviaGame() {
rc = sqlite3_prepare_v2(db, sql.c_str(), -1, &stmt, 0); rc = sqlite3_prepare_v2(db, sql.c_str(), -1, &stmt, 0);
if (rc != SQLITE_OK) { if (rc != SQLITE_OK) {
std::cerr << "SQL error." << std::endl; Logger::write("Error creating prepared statement: " + *sqlite3_errmsg(db), Logger::LogLevel::Severe);
} }
int count = 1; int count = 1;
@ -140,7 +141,7 @@ TriviaGame::~TriviaGame() {
if (update_sql != "") { if (update_sql != "") {
rc = sqlite3_prepare_v2(db, update_sql.c_str(), -1, &stmt, 0); rc = sqlite3_prepare_v2(db, update_sql.c_str(), -1, &stmt, 0);
if (rc != SQLITE_OK) { if (rc != SQLITE_OK) {
std::cerr << "SQL error." << std::endl; Logger::write("Error creating prepared statement: " + *sqlite3_errmsg(db), Logger::LogLevel::Severe);
} }
int index = 1; int index = 1;
@ -180,16 +181,15 @@ void TriviaGame::question() {
/// open db /// open db
rc = sqlite3_open("bot/db/trivia.db", &db); rc = sqlite3_open("bot/db/trivia.db", &db);
if (rc) { if (rc) {
std::cerr << "Cant't open database: " << sqlite3_errmsg(db) << std::endl; Logger::write("Error opening database: " + *sqlite3_errmsg(db), Logger::LogLevel::Severe);
} }
// prepare statement // prepare statement
sqlite3_stmt *stmt; sqlite3_stmt *stmt;
sql = "SELECT * FROM Questions ORDER BY RANDOM() LIMIT 1;"; sql = "SELECT * FROM Questions ORDER BY RANDOM() LIMIT 1;";
rc = sqlite3_prepare_v2(db, sql.c_str(), -1, &stmt, 0); rc = sqlite3_prepare_v2(db, sql.c_str(), -1, &stmt, 0);
if (rc != SQLITE_OK) { if (rc != SQLITE_OK) {
std::cerr << "SQL error." << std::endl; Logger::write("Error creating prepared statement: " + *sqlite3_errmsg(db), Logger::LogLevel::Severe);
} }
rc = sqlite3_step(stmt); rc = sqlite3_step(stmt);
@ -205,16 +205,17 @@ void TriviaGame::question() {
boost::split(current_answers, answer, boost::is_any_of("*")); boost::split(current_answers, answer, boost::is_any_of("*"));
} }
else if (rc != SQLITE_DONE) { else {
sqlite3_finalize(stmt); sqlite3_finalize(stmt);
std::cerr << "SQLite error." << std::endl; Logger::write("Error fetching question: " + *sqlite3_errmsg(db), Logger::LogLevel::Severe);
} }
sqlite3_finalize(stmt); sqlite3_finalize(stmt);
sqlite3_close(db); sqlite3_close(db);
questions_asked++; questions_asked++;
ah->send_message(channel_id, ":question: **(" + std::to_string(questions_asked) + "/" + std::to_string(total_questions) + ")** " + current_question); DiscordAPI::send_message(channel_id, ":question: **(" + std::to_string(questions_asked) + "/" + std::to_string(total_questions) + ")** " + current_question,
config.token, config.cert_location);
question_start = boost::posix_time::microsec_clock::universal_time(); question_start = boost::posix_time::microsec_clock::universal_time();
give_hint(0, ""); give_hint(0, "");
@ -253,8 +254,8 @@ void TriviaGame::give_hint(int hints_given, std::string hint) {
// count number of *s // count number of *s
int length = 0; int length = 0;
for (unsigned int i = 0; i < word.length(); i++) { for (unsigned int j = 0; j < word.length(); j++) {
if (word[i] == hide_char) { if (word[j] == hide_char) {
length++; length++;
} }
} }
@ -281,11 +282,11 @@ void TriviaGame::give_hint(int hints_given, std::string hint) {
hints_given++; // now equal to the amount of [hide_char]s that need to be present in each word hints_given++; // now equal to the amount of [hide_char]s that need to be present in each word
if (print) { if (print) {
ah->send_message(channel_id, ":small_orange_diamond: Hint: **`" + hint + "`**"); DiscordAPI::send_message(channel_id, ":small_orange_diamond: Hint: **`" + hint + "`**", config.token, config.cert_location);
} }
} }
boost::this_thread::sleep(interval); boost::this_thread::sleep(interval);
ah->send_message(channel_id, ":exclamation: Question failed. Answer: ** `" + *current_answers.begin() + "` **"); DiscordAPI::send_message(channel_id, ":exclamation: Question failed. Answer: ** `" + *current_answers.begin() + "` **", config.token, config.cert_location);
} }
void TriviaGame::handle_answer(std::string answer, DiscordObjects::User sender) { void TriviaGame::handle_answer(std::string answer, DiscordObjects::User sender) {
@ -300,7 +301,7 @@ void TriviaGame::handle_answer(std::string answer, DiscordObjects::User sender)
// remove the last three 0s // remove the last three 0s
time_taken.pop_back(); time_taken.pop_back(); time_taken.pop_back(); time_taken.pop_back(); time_taken.pop_back(); time_taken.pop_back();
ah->send_message(channel_id, ":heavy_check_mark: <@!" + sender.id + "> You got it! (" + time_taken + " seconds)"); DiscordAPI::send_message(channel_id, ":heavy_check_mark: <@!" + sender.id + "> You got it! (" + time_taken + " seconds)", config.token, config.cert_location);
increase_score(sender.id); increase_score(sender.id);
update_average_time(sender.id, diff.total_milliseconds()); update_average_time(sender.id, diff.total_milliseconds());
@ -338,4 +339,4 @@ void TriviaGame::update_average_time(std::string user_id, int time) {
// yeah it probably loses accuracy here, doesn't really matter // yeah it probably loses accuracy here, doesn't really matter
average_times[user_id] = (int) (total / questions_answered); average_times[user_id] = (int) (total / questions_answered);
} }
} }

8
TriviaBot/bot/TriviaGame.hpp
View File

@ -11,15 +11,14 @@
#include <boost/date_time/posix_time/posix_time.hpp> #include <boost/date_time/posix_time/posix_time.hpp>
class GatewayHandler; class GatewayHandler;
class APIHelper; class BotConfig;
namespace DiscordObjects { namespace DiscordObjects {
class User; class User;
} }
class TriviaGame { class TriviaGame {
public: public:
TriviaGame(GatewayHandler *gh, APIHelper *ah, std::string channel_id, int total_questions, int delay); TriviaGame(BotConfig &c, GatewayHandler *gh, std::string channel_id, int total_questions, int delay);
~TriviaGame(); ~TriviaGame();
void start(); void start();
@ -27,6 +26,8 @@ public:
void handle_answer(std::string answer, DiscordObjects::User sender); void handle_answer(std::string answer, DiscordObjects::User sender);
private: private:
BotConfig &config;
int questions_asked; int questions_asked;
int total_questions; int total_questions;
boost::posix_time::seconds interval; boost::posix_time::seconds interval;
@ -38,7 +39,6 @@ private:
std::string channel_id; std::string channel_id;
GatewayHandler *gh; GatewayHandler *gh;
APIHelper *ah;
const char hide_char = '#'; const char hide_char = '#';

16
TriviaBot/bot/data_structures/Channel.hpp
View File

@ -32,6 +32,7 @@ namespace DiscordObjects {
Channel(json data); Channel(json data);
void load_from_json(json data); void load_from_json(json data);
std::string to_debug_string();
bool operator==(Channel rhs); bool operator==(Channel rhs);
@ -56,7 +57,7 @@ namespace DiscordObjects {
type = "text"; type = "text";
} }
inline Channel::Channel(json data) { inline Channel::Channel(json data) : Channel() {
load_from_json(data); load_from_json(data);
} }
@ -73,6 +74,19 @@ namespace DiscordObjects {
user_limit = data.value("user_limit", -1); user_limit = data.value("user_limit", -1);
} }
inline std::string Channel::to_debug_string() {
return "**__Channel " + id + "__**"
+ "\n**guild_id:** " + guild_id
+ "\n**name:** " + name
+ "\n**type:** " + type
+ "\n**position:** " + std::to_string(position)
+ "\n**is_private:** " + std::to_string(is_private)
+ "\n**topic:** " + (topic == "" ? "[empty]" : topic)
+ "\n**last_message_id:** " + last_message_id
+ "\n**bitrate:** " + std::to_string(bitrate)
+ "\n**user_limit:** " + std::to_string(user_limit);
}
inline bool Channel::operator==(Channel rhs) { inline bool Channel::operator==(Channel rhs) {
return id == rhs.id && id != "null"; return id == rhs.id && id != "null";
} }

39
TriviaBot/bot/data_structures/Guild.hpp
View File

@ -1,13 +1,16 @@
#ifndef BOT_DATA__STRUCTURES_Guild #ifndef BOT_DATA__STRUCTURES_GUILD
#define BOT_DATA__STRUCTURES_Guild #define BOT_DATA__STRUCTURES_GUILD
#include <string> #include <string>
#include <memory> #include <vector>
#include <map>
#include "../json/json.hpp" #include "../json/json.hpp"
#include "Channel.hpp" #include "Channel.hpp"
#include "User.hpp" #include "User.hpp"
#include "Role.hpp"
#include "GuildMember.hpp"
using json = nlohmann::json; using json = nlohmann::json;
@ -48,6 +51,7 @@ namespace DiscordObjects {
Guild(json data); Guild(json data);
void load_from_json(json data); void load_from_json(json data);
std::string to_debug_string();
bool operator==(Guild rhs); bool operator==(Guild rhs);
@ -62,13 +66,15 @@ namespace DiscordObjects {
// bool embed_enabled; // bool embed_enabled;
// std::string embed_channel_id; // std::string embed_channel_id;
int verification_level; int verification_level;
// TODO: Implement all guil fields // TODO: Implement all guild fields
// std::vector<?> voice_states // std::vector<?> voice_states
// std::vector<?> roles
// std::vector<?> emojis // std::vector<?> emojis
// std::vector<?> features // std::vector<?> features
bool unavailable;
std::vector<std::shared_ptr<Channel>> channels; std::vector<Channel *> channels;
std::vector<GuildMember *> members;
std::vector<Role *> roles;
//std::vector<std::unique_ptr<DiscordObjects::User>> users; //std::vector<std::unique_ptr<DiscordObjects::User>> users;
}; };
@ -77,13 +83,11 @@ namespace DiscordObjects {
afk_timeout = verification_level = -1; afk_timeout = verification_level = -1;
} }
inline Guild::Guild(json data) { inline Guild::Guild(json data) : Guild() {
load_from_json(data); load_from_json(data);
} }
inline void Guild::load_from_json(json data) { inline void Guild::load_from_json(json data) {
Guild();
id = data.value("id", "null"); id = data.value("id", "null");
name = data.value("name", "null"); name = data.value("name", "null");
icon = data.value("icon", "null"); icon = data.value("icon", "null");
@ -93,6 +97,23 @@ namespace DiscordObjects {
afk_channel_id = data.value("afk_channel_id", "null"); afk_channel_id = data.value("afk_channel_id", "null");
afk_timeout = data.value("afk_timeout", -1); afk_timeout = data.value("afk_timeout", -1);
verification_level = data.value("verification_level", -1); verification_level = data.value("verification_level", -1);
unavailable = data.value("unavailable", false);
}
inline std::string Guild::to_debug_string() {
return "**__Guild " + id + "__**"
+ "\n**name:** " + name
+ "\n**icon:** " + icon
+ "\n**splash:** " + splash
+ "\n**owner_id:** " + owner_id
+ "\n**region:** " + region
+ "\n**afk_channel_id:** " + afk_channel_id
+ "\n**afk_timeout:** " + std::to_string(afk_timeout)
+ "\n**verification_level:** " + std::to_string(verification_level)
+ "\n**unavailable:** " + std::to_string(unavailable)
+ "\n**channels:** " + std::to_string(channels.size())
+ "\n**roles:** " + std::to_string(roles.size())
+ "\n**members:** " + std::to_string(members.size());
} }
inline bool Guild::operator==(Guild rhs) { inline bool Guild::operator==(Guild rhs) {

69
TriviaBot/bot/data_structures/GuildMember.hpp Normal file
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@ -0,0 +1,69 @@
#ifndef BOT_DATA__STRUCTURES_GUILDMEMBER
#define BOT_DATA__STRUCTURES_GUILDMEMBER
#include <string>
#include <vector>
#include "../json/json.hpp"
#include "User.hpp"
#include "Role.hpp"
namespace DiscordObjects {
class GuildMember {
public:
GuildMember();
GuildMember(json data, User *user);
void load_from_json(json data);
std::string to_debug_string();
bool operator==(GuildMember rhs);
User *user;
std::string nick;
std::vector<Role *> roles;
std::string joined_at; // TODO: better type
bool deaf;
bool mute;
};
inline GuildMember::GuildMember() {
user = nullptr;
nick = joined_at = "null";
deaf = false;
mute = false;
}
inline GuildMember::GuildMember(json data, User *user) : GuildMember() {
this->user = user;
load_from_json(data);
}
inline void GuildMember::load_from_json(json data) {
nick = data.value("nick", "null");
joined_at = data.value("joined_at", "null");
deaf = data.value("deaf", false);
mute = data.value("mute", false);
}
inline std::string GuildMember::to_debug_string() {
return "**__GuildMember " + user->id + "__**"
+ "\n**mention:** <@" + user->id + "> / " + user->username + "#" + user->discriminator
+ "\n**bot:** " + std::to_string(user->bot)
+ "\n**mfa_enabled:** " + std::to_string(user->mfa_enabled)
+ "\n**avatar:** " + user->avatar
+ "\n**status:** " + user->status
+ "\n**game name:** " + user->game
+ "\n**nick:** " + nick
+ "\n**joined_at:** " + joined_at
+ "\n**deaf:** " + std::to_string(deaf)
+ "\n**mute:** " + std::to_string(mute);
}
inline bool GuildMember::operator==(GuildMember rhs) {
return user->id == rhs.user->id;
}
}
#endif

114
TriviaBot/bot/data_structures/Role.hpp Normal file
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@ -0,0 +1,114 @@
#ifndef BOT_DATA__STRUCTURES_ROLE
#define BOT_DATA__STRUCTURES_ROLE
#include <string>
#include <sstream>
#include <iomanip>
#include "../json/json.hpp"
using json = nlohmann::json;
namespace DiscordObjects {
class Role {
public:
Role();
Role(json data);
void load_from_json(json data);
std::string to_debug_string();
bool operator==(Role rhs);
std::string id;
std::string name;
int colour;
bool hoist;
int position;
int permissions;
bool managed;
bool mentionable;
};
inline Role::Role() {
id = "null";
name = "null";
colour = -1;
hoist = false;
position = -1;
permissions = 0;
managed = false;
mentionable = false;
}
inline Role::Role(json data) : Role() {
load_from_json(data);
}
inline void Role::load_from_json(json data) {
id = data.value("id", "null");
name = data.value("name", "null");
colour = data.value("color", -1);
hoist = data.value("hoist", false);
position = data.value("position", -1);
permissions = data.value("permissions", 0);
managed = data.value("managed", false);
mentionable = data.value("mentionable", false);
}
inline std::string Role::to_debug_string() {
return "**__Role " + id + "__**"
+ "\n**name:** " + name
+ "\n**colour:** " + std::to_string(colour)
+ "\n**hoist:** " + std::to_string(hoist)
+ "\n**position:** " + std::to_string(position)
+ "\n**permissions:** " + std::to_string(permissions)
+ "\n**managed:** " + std::to_string(managed)
+ "\n**mentionable:** " + std::to_string(mentionable);
}
inline bool Role::operator==(Role rhs) {
return id == rhs.id;
}
/* permission values */
enum class Permission {
CreateInstantInvite = 0x00000001, // Allows creation of instant invites
KickMembers = 0x00000002, // Allows kicking members
BanMembers = 0x00000004, // Allows banning members
Administrator = 0x00000008, // Allows all permissions and bypasses channel permission overwrites
ManageChannels = 0x00000010, // Allows management and editing of channels
ManageGuild = 0x00000020, // Allows management and editing of the guild
ReadMessages = 0x00000400, // Allows reading messages in a channel.The channel will not appear for users without this permission
SendMessages = 0x00000800, // Allows for sending messages in a channel.
SendTTSMessages = 0x00001000, // Allows for sending of / tts messages
ManageMessages = 0x00002000, // Allows for deletion of other users messages
EmbedLinks = 0x00004000, // Links sent by this user will be auto - embedded
AttachFiles = 0x00008000, // Allows for uploading images and files
ReadMessageHistory = 0x00010000, // Allows for reading of message history
MentionEveryone = 0x00020000, // Allows for using the @everyone tag to notify all users in a channel, and the @here tag to notify all online users in a channel
Connect = 0x00100000, // Allows for joining of a voice channel
Speak = 0x00200000, // Allows for speaking in a voice channel
MuteMembers = 0x00400000, // Allows for muting members in a voice channel
DeafenMembers = 0x00800000, // Allows for deafening of members in a voice channel
MoveMembers = 0x01000000, // Allows for moving of members between voice channels
UseVAD = 0x02000000, // Allows for using voice - activity - detection in a voice channel
ChangeNickname = 0x04000000, // Allows for modification of own nickname
ManageNicknames = 0x08000000, // Allows for modification of other users nicknames
ManageRoles = 0x10000000 // Allows management and editing of roles
};
/* implement bitwise operators */
inline Permission operator|(Permission lhs, Permission rhs) {
return static_cast<Permission>(static_cast<int>(lhs) | static_cast<int>(rhs));
}
inline Permission operator|=(Permission &lhs, Permission rhs) {
lhs = static_cast<Permission>(static_cast<int>(lhs) | static_cast<int>(rhs));
return lhs;
}
}
#endif

125
TriviaBot/bot/data_structures/Text.txt
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@ -1,125 +0,0 @@
Example data:
!!!!!!!!!!!!!!!!! GUILD_CREATE Event
{
"afk_channel_id": null,
"afk_timeout": 300,
"channels": [
{
"id": "200398901767962624",
"is_private": false,
"last_message_id": "201355522635595776",
"name": "general",
"permission_overwrites": [],
"position": 0,
"topic": "",
"type": "text"
},
{
"bitrate": 64000,
"id": "200398901767962625",
"is_private": false,
"name": "General",
"permission_overwrites": [],
"position": 0,
"type": "voice",
"user_limit": 0
}
],
"default_message_notifications": 0,
"emojis": [],
"features": [],
"icon": null,
"id": "200398901767962624",
"joined_at": "2016-07-06T23:54:20.824000+00:00",
"large": false,
"member_count": 2,
"members": [
{
"deaf": false,
"joined_at": "2016-07-06T23:53:41.425000+00:00",
"mute": false,
"roles": [
"200399346498273280"
],
"user": {
"avatar": "1dc076d2d273615dd23546c86dbdfd9c",
"discriminator": "8212",
"id": "82232146579689472",
"username": "Jack"
}
},
{
"deaf": false,
"joined_at": "2016-07-06T23:54:20.824000+00:00",
"mute": false,
"roles": [
"200399601507893248"
],
"user": {
"avatar": "e871ceecaa362718af6d3174bc941977",
"bot": true,
"discriminator": "8194",
"id": "199657095258177539",
"username": "trivia-bot"
}
}
],
"mfa_level": 0,
"name": "EleGiggle",
"owner_id": "82232146579689472",
"presences": [
{
"game": null,
"status": "online",
"user": {
"id": "82232146579689472"
}
},
{
"game": null,
"status": "online",
"user": {
"id": "199657095258177539"
}
}
],
"region": "london",
"roles": [
{
"color": 0,
"hoist": false,
"id": "200398901767962624",
"managed": false,
"mentionable": false,
"name": "@everyone",
"permissions": 36953089,
"position": 0
},
{
"color": 3066993,
"hoist": true,
"id": "200399346498273280",
"managed": false,
"mentionable": false,
"name": "All Perms",
"permissions": 506715199,
"position": 1
},
{
"color": 15844367,
"hoist": true,
"id": "200399601507893248",
"managed": false,
"mentionable": false,
"name": "Robot",
"permissions": 536083519,
"position": 1
}
],
"splash": null,
"unavailable": false,
"verification_level": 0,
"voice_states": []
}

12
TriviaBot/bot/data_structures/User.hpp
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@ -2,6 +2,7 @@
#define BOT_DATA__STRUCTURES_USER #define BOT_DATA__STRUCTURES_USER
#include <string> #include <string>
#include <vector>
#include "../json/json.hpp" #include "../json/json.hpp"
@ -37,14 +38,21 @@ namespace DiscordObjects {
std::string avatar; std::string avatar;
bool bot; bool bot;
bool mfa_enabled; bool mfa_enabled;
// presence
std::string game;
std::string status;
std::vector<std::string> guilds;
}; };
inline User::User() { inline User::User() {
id = username = discriminator = avatar = "null"; id = username = discriminator = avatar = game = "null";
status = "offline";
bot = mfa_enabled = false; bot = mfa_enabled = false;
} }
inline User::User(json data) { inline User::User(json data) : User() {
load_from_json(data); load_from_json(data);
} }

22
TriviaBot/bot/db/schema.sqlite
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@ -1,14 +1,20 @@
BEGIN TRANSACTION; BEGIN TRANSACTION;
CREATE TABLE "TotalScores" ( CREATE TABLE "TotalScores" (
`User` TEXT UNIQUE, `User` TEXT NOT NULL,
`TotalScore` INTEGER, `TotalScore` INTEGER NOT NULL,
`AverageTime` INTEGER, `AverageTime` INTEGER NOT NULL,
PRIMARY KEY(User) PRIMARY KEY(User)
); );
CREATE TABLE "Questions" ( CREATE TABLE "Questions" (
`ID` INTEGER PRIMARY KEY AUTOINCREMENT, `ID` INTEGER PRIMARY KEY AUTOINCREMENT,
`Category` TEXT, `Category` TEXT NOT NULL,
`Question` TEXT, `Question` TEXT NOT NULL,
`Answer` TEXT `Answer` TEXT NOT NULL
); );
COMMIT; CREATE TABLE `CustomJS` (
`ID` INTEGER PRIMARY KEY AUTOINCREMENT,
`GuildID` TEXT NOT NULL,
`CommandName` TEXT NOT NULL,
`Script` TEXT NOT NULL
);
COMMIT;

102
TriviaBot/bot/http/HTTP.cpp Normal file
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@ -0,0 +1,102 @@
#include "HTTP.hpp"
#include "../Logger.hpp"
#include "../BotConfig.hpp"
/*
* Warning: (Awful) C Code
*/
namespace HTTP {
size_t write_callback(void *contents, size_t size, size_t nmemb, void *read_buffer) {
static_cast<std::string *>(read_buffer)->append(static_cast<char *>(contents), size * nmemb);
return size * nmemb;
}
std::string post_request(std::string url, std::string content_type, std::string data, long *response_code, std::string token, std::string ca_location) {
CURL *curl;
CURLcode res;
std::string read_buffer;
struct curl_slist *headers = nullptr;
curl = curl_easy_init();
if (curl) {
curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
// Now with real HTTPS!
curl_easy_setopt(curl, CURLOPT_CAINFO, ca_location.c_str());
std::string header_arr[3];
header_arr[0] = "Content-Type: " + content_type;
header_arr[1] = "Authorization: Bot " + token;
header_arr[2] = "User-Agent: DiscordBot(http://github.com/jackb-p/triviadiscord, 1.0)";
for (std::string h : header_arr) {
headers = curl_slist_append(headers, h.c_str());
}
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, data.c_str());
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &read_buffer);
res = curl_easy_perform(curl);
if (res == CURLE_OK) {
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, response_code);
}
else {
return "";
}
curl_easy_cleanup(curl);
curl_slist_free_all(headers);
}
return read_buffer;
}
std::string get_request(std::string url, long *response_code, std::string token, std::string ca_location) {
CURL *curl;
CURLcode res;
std::string read_buffer;
struct curl_slist *headers = nullptr;
curl = curl_easy_init();
if (curl) {
curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
// Now with real HTTPS!
curl_easy_setopt(curl, CURLOPT_CAINFO, ca_location.c_str());
std::string header_arr[2];
header_arr[0] = "Authorization: Bot " + token;
header_arr[1] = "User-Agent: DiscordBot (http://github.com/jackb-p/triviadiscord, 1.0)";
for (std::string h : header_arr) {
headers = curl_slist_append(headers, h.c_str());
}
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, &HTTP::write_callback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &read_buffer);
res = curl_easy_perform(curl);
if (res == CURLE_OK) {
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, response_code);
}
else {
Logger::write("curl error: " + std::string(curl_easy_strerror(res)), Logger::LogLevel::Warning);
return read_buffer;
}
curl_easy_cleanup(curl);
curl_slist_free_all(headers);
}
return read_buffer;
}
}

15
TriviaBot/bot/http/HTTP.hpp Normal file
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@ -0,0 +1,15 @@
#ifndef BOT_HTTP_HTTP
#define BOT_HTTP_HTTP
#include <iostream>
#include <curl/curl.h>
class BotConfig;
namespace HTTP {
std::string post_request(std::string url, std::string content_type, std::string data, long *response_code, std::string token, std::string ca_location);
std::string get_request(std::string url, long *response_code, std::string token, std::string ca_location);
}
#endif

57
TriviaBot/bot/http/HTTPHelper.cpp
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@ -1,57 +0,0 @@
#include "HTTPHelper.hpp"
extern std::string bot_token;
/*
* Warning: (Awful) C Code
*/
std::string HTTPHelper::post_request(std::string url, std::string content_type, std::string data, long *response_code) {
CURL *curl;
CURLcode res;
std::string read_buffer;
struct curl_slist *headers = nullptr;
curl = curl_easy_init();
if (curl) {
curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
// Now with real HTTPS!
curl_easy_setopt(curl, CURLOPT_CAINFO, "bot/http/DiscordCA.crt");
std::string header_arr[3];
header_arr[0] = "Content-Type: " + content_type;
header_arr[1] = "Authorization: Bot " + bot_token;
header_arr[2] = "User-Agent: DiscordBot(http://github.com/jackb-p/triviadiscord, 1.0)";
for (std::string h : header_arr) {
headers = curl_slist_append(headers, h.c_str());
}
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, data.c_str());
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &read_buffer);
res = curl_easy_perform(curl);
if (res == CURLE_OK) {
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, response_code);
} else {
return "";
}
/* always cleanup */
curl_easy_cleanup(curl);
curl_slist_free_all(headers);
}
return read_buffer;
}
size_t HTTPHelper::write_callback(void *contents, size_t size, size_t nmemb, void *userp) {
((std::string *) userp)->append((char *) contents, size * nmemb);
return size * nmemb;
}

16
TriviaBot/bot/http/HTTPHelper.hpp
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@ -1,16 +0,0 @@
#ifndef BOT_HTTP_HTTPHELPER
#define BOT_HTTP_HTTPHELPER
#include <iostream>
#include <curl/curl.h>
class HTTPHelper {
public:
std::string post_request(std::string url, std::string content_type, std::string data, long *response_code);
private:
static size_t write_callback(void *contents, size_t size, size_t nmemb, void *userp);
};
#endif

164
TriviaBot/bot/js/CommandHelper.cpp Normal file
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@ -0,0 +1,164 @@
#include "CommandHelper.hpp"
#include <iostream>
#include <algorithm>
#include <sqlite3.h>
#include "../Logger.hpp"
namespace CommandHelper {
std::vector<Command> commands;
void init() {
sqlite3 *db; int return_code;
return_code = sqlite3_open("bot/db/trivia.db", &db);
std::string sql = "SELECT GuildID, CommandName, Script FROM CustomJS";
sqlite3_stmt *stmt;
return_code = sqlite3_prepare_v2(db, sql.c_str(), -1, &stmt, 0);
while (return_code != SQLITE_DONE) {
return_code = sqlite3_step(stmt);
if (return_code == SQLITE_ROW) {
std::string guild_id = reinterpret_cast<const char *>(sqlite3_column_text(stmt, 0));
std::string command_name = reinterpret_cast<const char *>(sqlite3_column_text(stmt, 1));
std::string script = reinterpret_cast<const char *>(sqlite3_column_text(stmt, 2));
commands.push_back({ guild_id, command_name, script });
}
else if (return_code != SQLITE_DONE) {
sqlite3_finalize(stmt);
std::cerr << "SQLite error." << std::endl;
return;
}
}
Logger::write(std::to_string(commands.size()) + " custom command(s) loaded", Logger::LogLevel::Info);
sqlite3_finalize(stmt);
sqlite3_close(db);
}
bool return_code_ok(int return_code) {
// TODO: NotLikeThis
if (return_code != SQLITE_OK) {
Logger::write("SQLite error", Logger::LogLevel::Severe);
return false;
}
return true;
}
bool get_command(std::string guild_id, std::string command_name, Command &command) {
auto check_lambda = [guild_id, command_name](const Command &c) {
return guild_id == c.guild_id && command_name == c.command_name;
};
auto it = std::find_if(commands.begin(), commands.end(), check_lambda);
if (it == commands.end()) {
command = {};
return false;
}
else {
command = { it->guild_id, it->command_name, it->script };
return true;
}
}
// returns: 0 error, 1 inserted, 2 updated
int insert_command(std::string guild_id, std::string command_name, std::string script) {
// TODO: if script empty, delete command
Command command{ guild_id, command_name, script };
int ret_value;
std::string sql;
if (command_in_db(guild_id, command_name)) {
sql = "UPDATE CustomJS SET Script=?1 WHERE GuildID=?2 AND CommandName=?3;";
Logger::write("Command already exists, updating.", Logger::LogLevel::Debug);
ret_value = 2;
}
else {
sql = "INSERT INTO CustomJS(Script, GuildID, CommandName) VALUES (?1, ?2, ?3);";
Logger::write("Inserting new command.", Logger::LogLevel::Debug);
ret_value = 1;
}
sqlite3 *db; int return_code;
return_code = sqlite3_open("bot/db/trivia.db", &db);
if (!return_code_ok(return_code)) return 0;
sqlite3_stmt *stmt;
return_code = sqlite3_prepare_v2(db, sql.c_str(), -1, &stmt, 0);
if (!return_code_ok(return_code)) return 0;
return_code = sqlite3_bind_text(stmt, 1, script.c_str(), -1, (sqlite3_destructor_type)-1);
if (!return_code_ok(return_code)) return 0;
return_code = sqlite3_bind_text(stmt, 2, guild_id.c_str(), -1, (sqlite3_destructor_type)-1);
if (!return_code_ok(return_code)) return 0;
return_code = sqlite3_bind_text(stmt, 3, command_name.c_str(), -1, (sqlite3_destructor_type)-1);
if (!return_code_ok(return_code)) return 0;
return_code = sqlite3_step(stmt);
bool success = return_code == SQLITE_DONE;
sqlite3_finalize(stmt);
sqlite3_close(db);
if (success) {
if (ret_value == 1) {
commands.push_back({ guild_id, command_name, script });
}
if (ret_value == 2) {
// update command, don't add
auto check_lambda = [guild_id, command_name](const Command &c) {
return guild_id == c.guild_id && command_name == c.command_name;
};
auto it = std::find_if(commands.begin(), commands.end(), check_lambda);
if (it == commands.end()) {
return 0;
}
else {
it->script = script;
}
}
return ret_value;
}
return 0;
}
bool command_in_db(std::string guild_id, std::string command_name) {
sqlite3 *db; int return_code;
return_code = sqlite3_open("bot/db/trivia.db", &db);
if (!return_code_ok(return_code)) return false;
std::string sql = "SELECT EXISTS(SELECT 1 FROM CustomJS WHERE GuildID=?1 AND CommandName=?2);";
sqlite3_stmt *stmt;
return_code = sqlite3_prepare_v2(db, sql.c_str(), -1, &stmt, 0);
if (!return_code_ok(return_code)) return false;
return_code = sqlite3_bind_text(stmt, 1, guild_id.c_str(), -1, (sqlite3_destructor_type)-1);
if (!return_code_ok(return_code)) return false;
return_code = sqlite3_bind_text(stmt, 2, command_name.c_str(), -1, (sqlite3_destructor_type)-1);
if (!return_code_ok(return_code)) return false;
sqlite3_step(stmt);
bool exists = sqlite3_column_int(stmt, 0) == 1; // returns 1 (true) if exists
sqlite3_finalize(stmt);
sqlite3_close(db);
return exists;
}
}

20
TriviaBot/bot/js/CommandHelper.hpp Normal file
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@ -0,0 +1,20 @@
#ifndef BOT_JS_COMMANDHELPER
#define BOT_JS_COMMANDHELPER
#include <string>
#include <vector>
namespace CommandHelper {
struct Command {
std::string guild_id;
std::string command_name;
std::string script;
};
void init();
int insert_command(std::string guild_id, std::string command_name, std::string script);
bool get_command(std::string guild_id, std::string name, Command &command);
bool command_in_db(std::string guild_id, std::string command_name);
}
#endif

729
TriviaBot/bot/js/V8Instance.cpp Normal file
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@ -0,0 +1,729 @@
#include <iostream>
#include <string>
#include <chrono>
#include <algorithm>
#include "V8Instance.hpp"
#include "../DiscordAPI.hpp"
#include "../Logger.hpp"
#include "../BotConfig.hpp"
using namespace v8;
V8Instance::V8Instance(BotConfig &c, std::string guild_id, std::map<std::string, DiscordObjects::Guild> *guilds, std::map<std::string, DiscordObjects::Channel> *channels,
std::map<std::string, DiscordObjects::User> *users, std::map<std::string, DiscordObjects::Role> *roles) : config(c) {
rng = std::mt19937(std::random_device()());
this->guild_id = guild_id;
this->guilds = guilds;
this->channels = channels;
this->users = users;
this->roles = roles;
create();
}
void V8Instance::create() {
Isolate::CreateParams create_params;
create_params.array_buffer_allocator = ArrayBuffer::Allocator::NewDefaultAllocator();
isolate = Isolate::New(create_params);
isolate->Enter();
Logger::write("[v8] Created isolate", Logger::LogLevel::Debug);
Isolate::Scope isolate_scope(isolate);
HandleScope handle_scope(isolate);
// set global context
Local<Context> context = create_context();
context_.Reset(isolate, context);
Context::Scope context_scope(context);
initialise(context);
Logger::write("[v8] Created context and context scope", Logger::LogLevel::Debug);
}
void V8Instance::initialise(Local<Context> context) {
HandleScope handle_scope(isolate);
Local<Object> server_obj = wrap_server(&(*guilds)[guild_id]);
context->Global()->Set(
context,
String::NewFromUtf8(isolate, "server", NewStringType::kNormal).ToLocalChecked(),
server_obj
).FromJust();
Logger::write("[v8] Bound server template", Logger::LogLevel::Debug);
}
v8::Local<v8::Context> V8Instance::create_context() {
Local<ObjectTemplate> global = ObjectTemplate::New(isolate);
Local<External> self = External::New(isolate, (void *) this);
global->Set(
String::NewFromUtf8(isolate, "print", NewStringType::kNormal).ToLocalChecked(),
FunctionTemplate::New(isolate, V8Instance::js_print, self)
);
global->Set(
String::NewFromUtf8(isolate, "random", NewStringType::kNormal).ToLocalChecked(),
FunctionTemplate::New(isolate, V8Instance::js_random, self)
);
global->Set(
String::NewFromUtf8(isolate, "shuffle", NewStringType::kNormal).ToLocalChecked(),
FunctionTemplate::New(isolate, V8Instance::js_shuffle, self)
);
Logger::write("[v8] Created global context, added print function", Logger::LogLevel::Debug);
return Context::New(isolate, NULL, global);
}
/* server */
Local<ObjectTemplate> V8Instance::make_server_template() {
EscapableHandleScope handle_scope(isolate);
Local<ObjectTemplate> templ = ObjectTemplate::New(isolate);
templ->SetInternalFieldCount(1);
templ->SetHandler(
NamedPropertyHandlerConfiguration(
V8Instance::js_get_server,
(GenericNamedPropertySetterCallback) 0,
(GenericNamedPropertyQueryCallback) 0,
(GenericNamedPropertyDeleterCallback) 0,
(GenericNamedPropertyEnumeratorCallback) 0,
External::New(isolate, (void *) this)
)
);
return handle_scope.Escape(templ);
}
Local<Object> V8Instance::wrap_server(DiscordObjects::Guild *guild) {
EscapableHandleScope handle_scope(isolate);
if (server_template.IsEmpty()) {
Local<ObjectTemplate> raw_template = make_server_template();
server_template.Reset(isolate, raw_template);
}
Local<ObjectTemplate> templ = Local<ObjectTemplate>::New(isolate, server_template);
Local<Object> result = templ->NewInstance(isolate->GetCurrentContext()).ToLocalChecked();
Local<External> guild_ptr = External::New(isolate, guild);
result->SetInternalField(0, guild_ptr);
return handle_scope.Escape(result);
}
void V8Instance::js_get_server(Local<Name> property, const PropertyCallbackInfo<Value> &info) {
void *self_v = info.Data().As<External>()->Value();
if (!self_v) {
Logger::write("[v8] [js_get_server] Class pointer empty", Logger::LogLevel::Warning);
return;
}
V8Instance *self = static_cast<V8Instance *>(self_v);
void *guild_v = info.Holder()->GetInternalField(0).As<External>()->Value();
if (!guild_v) {
Logger::write("[v8] [js_get_server] Guild pointer empty", Logger::LogLevel::Warning);
return;
}
DiscordObjects::Guild *guild = static_cast<DiscordObjects::Guild *>(guild_v);
if (!property->IsString()) {
return;
}
std::string property_s = *String::Utf8Value(property);
if (property_s == "Id") {
info.GetReturnValue().Set(String::NewFromUtf8(info.GetIsolate(), guild->id.c_str(), NewStringType::kNormal).ToLocalChecked());
}
else if (property_s == "Name") {
info.GetReturnValue().Set(String::NewFromUtf8(info.GetIsolate(), guild->name.c_str(), NewStringType::kNormal).ToLocalChecked());
}
else if (property_s == "IconUrl") {
std::string icon_url = "https://discordapp.com/api/guilds/" + guild->id + "/icons/" + guild->icon + ".jpg";
info.GetReturnValue().Set(String::NewFromUtf8(info.GetIsolate(), icon_url.c_str(), NewStringType::kNormal).ToLocalChecked());
}
else if (property_s == "Owner") {
std::string owner_id = guild->owner_id;
DiscordObjects::GuildMember *owner = *std::find_if(guild->members.begin(), guild->members.end(), [owner_id](DiscordObjects::GuildMember *m) {
return owner_id == m->user->id;
});
Local<Object> owner_obj = self->wrap_user(owner);
info.GetReturnValue().Set(owner_obj);
}
else if (property_s == "Roles") {
Local<Object> roles_obj = self->wrap_role_list(&guild->roles);
info.GetReturnValue().Set(roles_obj);
}
else if (property_s == "Channels") {
Local<Object> channels_obj = self->wrap_channel_list(&guild->channels);
info.GetReturnValue().Set(channels_obj);
}
else if (property_s == "Users") {
Local<Object> users_obj = self->wrap_user_list(&guild->members);
info.GetReturnValue().Set(users_obj);
}
}
/* channel */
Local<ObjectTemplate> V8Instance::make_channel_template() {
EscapableHandleScope handle_scope(isolate);
Local<ObjectTemplate> templ = ObjectTemplate::New(isolate);
templ->SetInternalFieldCount(1);
templ->SetHandler(
NamedPropertyHandlerConfiguration(
V8Instance::js_get_channel,
(GenericNamedPropertySetterCallback) 0,
(GenericNamedPropertyQueryCallback) 0,
(GenericNamedPropertyDeleterCallback) 0,
(GenericNamedPropertyEnumeratorCallback) 0,
External::New(isolate, (void *) this)
)
);
return handle_scope.Escape(templ);
}
Local<Object> V8Instance::wrap_channel(DiscordObjects::Channel *channel) {
EscapableHandleScope handle_scope(isolate);
if (role_template.IsEmpty()) {
Local<ObjectTemplate> raw_template = make_channel_template();
channel_template.Reset(isolate, raw_template);
}
Local<ObjectTemplate> templ = Local<ObjectTemplate>::New(isolate, channel_template);
Local<Object> result = templ->NewInstance(isolate->GetCurrentContext()).ToLocalChecked();
Local<External> channel_ptr = External::New(isolate, channel);
result->SetInternalField(0, channel_ptr);
return handle_scope.Escape(result);
}
void V8Instance::js_get_channel(Local<Name> property, const PropertyCallbackInfo<Value> &info) {
void *channel_v = info.Holder()->GetInternalField(0).As<External>()->Value();
if (!channel_v) {
Logger::write("[v8] [js_get_channel] Channel pointer empty", Logger::LogLevel::Warning);
return;
}
DiscordObjects::Channel *channel = static_cast<DiscordObjects::Channel *>(channel_v);
if (!property->IsString()) {
return;
}
std::string property_s = *String::Utf8Value(property);
if (property_s == "Id") {
info.GetReturnValue().Set(String::NewFromUtf8(info.GetIsolate(), channel->id.c_str(), NewStringType::kNormal).ToLocalChecked());
}
else if (property_s == "Name") {
info.GetReturnValue().Set(String::NewFromUtf8(info.GetIsolate(), channel->name.c_str(), NewStringType::kNormal).ToLocalChecked());
}
else if (property_s == "Topic") {
info.GetReturnValue().Set(String::NewFromUtf8(info.GetIsolate(), channel->topic.c_str(), NewStringType::kNormal).ToLocalChecked());
}
else if (property_s == "IsVoice") {
info.GetReturnValue().Set(Boolean::New(info.GetIsolate(), channel->type == "voice"));
}
else if (property_s == "Users") {
info.GetIsolate()->ThrowException(String::NewFromUtf8(info.GetIsolate(), "Channel.Users not implemented.", NewStringType::kNormal).ToLocalChecked());
}
}
/* channel list */
Local<ObjectTemplate> V8Instance::make_channel_list_template() {
EscapableHandleScope handle_scope(isolate);
Local<ObjectTemplate> templ = ObjectTemplate::New(isolate);
templ->SetInternalFieldCount(1);
templ->SetHandler(
IndexedPropertyHandlerConfiguration(
V8Instance::js_get_channel_list,
(IndexedPropertySetterCallback) 0,
(IndexedPropertyQueryCallback) 0,
(IndexedPropertyDeleterCallback) 0,
(IndexedPropertyEnumeratorCallback) 0,
External::New(isolate, (void *) this)
)
);
return handle_scope.Escape(templ);
}
Local<Object> V8Instance::wrap_channel_list(std::vector<DiscordObjects::Channel *> *channel_list) {
EscapableHandleScope handle_scope(isolate);
if (channel_list_template.IsEmpty()) {
Local<ObjectTemplate> raw_template = make_channel_list_template();
channel_list_template.Reset(isolate, raw_template);
}
Local<ObjectTemplate> templ = Local<ObjectTemplate>::New(isolate, channel_list_template);
Local<Object> result = templ->NewInstance(isolate->GetCurrentContext()).ToLocalChecked();
// imitate an array
result->Set(String::NewFromUtf8(isolate, "length", NewStringType::kNormal).ToLocalChecked(), Integer::New(isolate, (*channel_list).size()));
result->SetPrototype(Array::New(isolate)->GetPrototype());
Local<External> channel_list_ptr = External::New(isolate, channel_list);
result->SetInternalField(0, channel_list_ptr);
return handle_scope.Escape(result);
}
void V8Instance::js_get_channel_list(uint32_t index, const PropertyCallbackInfo<Value> &info) {
void *self_v = info.Data().As<External>()->Value();
if (!self_v) {
Logger::write("[v8] [js_get_channel_list] Class pointer empty", Logger::LogLevel::Warning);
return;
}
V8Instance *self = static_cast<V8Instance *>(self_v);
void *channel_list_v = info.Holder()->GetInternalField(0).As<External>()->Value();
if (!channel_list_v) {
Logger::write("[v8] [js_get_channel_list] Channel List pointer empty", Logger::LogLevel::Warning);
return;
}
std::vector<DiscordObjects::Channel *> *channel_list = static_cast<std::vector<DiscordObjects::Channel *> *>(channel_list_v);
if (index < (*channel_list).size()) {
Local<Object> channel_obj = self->wrap_channel((*channel_list)[index]);
info.GetReturnValue().Set(channel_obj);
}
else {
info.GetReturnValue().SetUndefined();
}
}
/* user */
Local<ObjectTemplate> V8Instance::make_user_template() {
EscapableHandleScope handle_scope(isolate);
Local<ObjectTemplate> templ = ObjectTemplate::New(isolate);
templ->SetInternalFieldCount(1);
templ->SetHandler(
NamedPropertyHandlerConfiguration(
V8Instance::js_get_user,
(GenericNamedPropertySetterCallback)0,
(GenericNamedPropertyQueryCallback)0,
(GenericNamedPropertyDeleterCallback)0,
(GenericNamedPropertyEnumeratorCallback)0,
External::New(isolate, (void *) this)
)
);
return handle_scope.Escape(templ);
}
Local<Object> V8Instance::wrap_user(DiscordObjects::GuildMember *member) {
EscapableHandleScope handle_scope(isolate);
if (user_template.IsEmpty()) {
Local<ObjectTemplate> raw_template = make_user_template();
user_template.Reset(isolate, raw_template);
}
Local<ObjectTemplate> templ = Local<ObjectTemplate>::New(isolate, user_template);
Local<Object> result = templ->NewInstance(isolate->GetCurrentContext()).ToLocalChecked();
Local<External> member_ptr = External::New(isolate, member);
result->SetInternalField(0, member_ptr);
return handle_scope.Escape(result);
}
void V8Instance::js_get_user(Local<Name> property, const PropertyCallbackInfo<Value> &info) {
void *self_v = info.Data().As<External>()->Value();
if (!self_v) {
Logger::write("[v8] [js_get_user] Class pointer empty", Logger::LogLevel::Warning);
return;
}
V8Instance *self = static_cast<V8Instance *>(self_v);
void *member_v = info.Holder()->GetInternalField(0).As<External>()->Value();
if (!member_v) {
Logger::write("[v8] [js_get_user] GuildMember pointer empty", Logger::LogLevel::Warning);
return;
}
DiscordObjects::GuildMember *member = static_cast<DiscordObjects::GuildMember *>(member_v);
if (!property->IsString()) {
return;
}
std::string property_s = *String::Utf8Value(property);
if (property_s == "Id") {
info.GetReturnValue().Set(String::NewFromUtf8(info.GetIsolate(), member->user->id.c_str(), NewStringType::kNormal).ToLocalChecked());
}
else if (property_s == "Name") {
std::string name = member->nick == "null" ? member->user->username : member->nick;
info.GetReturnValue().Set(String::NewFromUtf8(info.GetIsolate(), name.c_str(), NewStringType::kNormal).ToLocalChecked());
}
else if (property_s == "Mention") {
std::string mention = "<@" + member->user->id + ">";
info.GetReturnValue().Set(String::NewFromUtf8(info.GetIsolate(), mention.c_str(), NewStringType::kNormal).ToLocalChecked());
}
else if (property_s == "AvatarUrl") {
std::string avatar_url = "https://discordapp.com/api/users/" + member->user->id + "/avatars/" + member->user->avatar + ".jpg";
info.GetReturnValue().Set(String::NewFromUtf8(info.GetIsolate(), avatar_url.c_str(), NewStringType::kNormal).ToLocalChecked());
}
else if (property_s == "Roles") {
Local<Object> roles_obj = self->wrap_role_list(&member->roles);
info.GetReturnValue().Set(roles_obj);
}
else if (property_s == "State") {
info.GetReturnValue().Set(String::NewFromUtf8(info.GetIsolate(), member->user->status.c_str(), NewStringType::kNormal).ToLocalChecked());
}
else if (property_s == "CurrentGame") {
if (member->user->game == "null") {
info.GetReturnValue().SetNull();
} else {
info.GetReturnValue().Set(String::NewFromUtf8(info.GetIsolate(), member->user->game.c_str(), NewStringType::kNormal).ToLocalChecked());
}
}
}
/* user list */
Local<ObjectTemplate> V8Instance::make_user_list_template() {
EscapableHandleScope handle_scope(isolate);
Local<ObjectTemplate> templ = ObjectTemplate::New(isolate);
templ->SetInternalFieldCount(1);
templ->SetHandler(
IndexedPropertyHandlerConfiguration(
V8Instance::js_get_user_list,
(IndexedPropertySetterCallback) 0,
(IndexedPropertyQueryCallback) 0,
(IndexedPropertyDeleterCallback) 0,
(IndexedPropertyEnumeratorCallback) 0,
External::New(isolate, (void *) this)
)
);
return handle_scope.Escape(templ);
}
Local<Object> V8Instance::wrap_user_list(std::vector<DiscordObjects::GuildMember *> *user_list) {
EscapableHandleScope handle_scope(isolate);
if (user_list_template.IsEmpty()) {
Local<ObjectTemplate> raw_template = make_user_list_template();
user_list_template.Reset(isolate, raw_template);
}
Local<ObjectTemplate> templ = Local<ObjectTemplate>::New(isolate, user_list_template);
Local<Object> result = templ->NewInstance(isolate->GetCurrentContext()).ToLocalChecked();
// imitate an array
result->Set(String::NewFromUtf8(isolate, "length", NewStringType::kNormal).ToLocalChecked(), Integer::New(isolate, (*user_list).size()));
result->SetPrototype(Array::New(isolate)->GetPrototype());
Local<External> user_list_ptr = External::New(isolate, user_list);
result->SetInternalField(0, user_list_ptr);
return handle_scope.Escape(result);
}
void V8Instance::js_get_user_list(uint32_t index, const PropertyCallbackInfo<Value> &info) {
void *self_v = info.Data().As<External>()->Value();
if (!self_v) {
Logger::write("[v8] [js_get_user_list] Class pointer empty", Logger::LogLevel::Warning);
return;
}
V8Instance *self = static_cast<V8Instance *>(self_v);
void *user_list_v = info.Holder()->GetInternalField(0).As<External>()->Value();
if (!user_list_v) {
Logger::write("[v8] [js_get_user_list] GuildMember List pointer empty", Logger::LogLevel::Warning);
return;
}
std::vector<DiscordObjects::GuildMember *> *user_list = static_cast<std::vector<DiscordObjects::GuildMember *> *>(user_list_v);
if (index < (*user_list).size()) {
Local<Object> role_obj = self->wrap_user((*user_list)[index]);
info.GetReturnValue().Set(role_obj);
}
else {
info.GetReturnValue().SetUndefined();
}
}
/* role */
Local<ObjectTemplate> V8Instance::make_role_template() {
EscapableHandleScope handle_scope(isolate);
Local<ObjectTemplate> templ = ObjectTemplate::New(isolate);
templ->SetInternalFieldCount(1);
templ->SetHandler(
NamedPropertyHandlerConfiguration(
V8Instance::js_get_role,
(GenericNamedPropertySetterCallback)0,
(GenericNamedPropertyQueryCallback)0,
(GenericNamedPropertyDeleterCallback)0,
(GenericNamedPropertyEnumeratorCallback)0,
External::New(isolate, (void *) this)
)
);
return handle_scope.Escape(templ);
}
Local<Object> V8Instance::wrap_role(DiscordObjects::Role *role) {
EscapableHandleScope handle_scope(isolate);
if (role_template.IsEmpty()) {
Local<ObjectTemplate> raw_template = make_role_template();
role_template.Reset(isolate, raw_template);
}
Local<ObjectTemplate> templ = Local<ObjectTemplate>::New(isolate, role_template);
Local<Object> result = templ->NewInstance(isolate->GetCurrentContext()).ToLocalChecked();
Local<External> role_ptr = External::New(isolate, role);
result->SetInternalField(0, role_ptr);
return handle_scope.Escape(result);
}
void V8Instance::js_get_role(Local<Name> property, const PropertyCallbackInfo<Value> &info) {
void *role_v = info.Holder()->GetInternalField(0).As<External>()->Value();
if (!role_v) {
Logger::write("[v8] [js_get_role] Role pointer empty", Logger::LogLevel::Warning);
return;
}
DiscordObjects::Role *role = static_cast<DiscordObjects::Role *>(role_v);
if (!property->IsString()) {
return;
}
std::string property_s = *String::Utf8Value(property);
if (property_s == "Id") {
info.GetReturnValue().Set(String::NewFromUtf8(info.GetIsolate(), role->id.c_str(), NewStringType::kNormal).ToLocalChecked());
}
else if (property_s == "Name") {
info.GetReturnValue().Set(String::NewFromUtf8(info.GetIsolate(), role->name.c_str(), NewStringType::kNormal).ToLocalChecked());
}
else if (property_s == "Position") {
info.GetReturnValue().Set(Integer::New(info.GetIsolate(), role->position));
}
else if (property_s == "Red" || property_s == "Green" || property_s == "Blue") {
info.GetIsolate()->ThrowException(String::NewFromUtf8(info.GetIsolate(), "Role.[Colour] not implemented.", NewStringType::kNormal).ToLocalChecked());
}
}
/* role list */
Local<ObjectTemplate> V8Instance::make_role_list_template() {
EscapableHandleScope handle_scope(isolate);
Local<ObjectTemplate> templ = ObjectTemplate::New(isolate);
templ->SetInternalFieldCount(1);
templ->SetHandler(
IndexedPropertyHandlerConfiguration(
V8Instance::js_get_role_list,
(IndexedPropertySetterCallback) 0,
(IndexedPropertyQueryCallback) 0,
(IndexedPropertyDeleterCallback) 0,
(IndexedPropertyEnumeratorCallback) 0,
External::New(isolate, (void *) this)
)
);
return handle_scope.Escape(templ);
}
Local<Object> V8Instance::wrap_role_list(std::vector<DiscordObjects::Role *> *role_list) {
EscapableHandleScope handle_scope(isolate);
if (role_list_template.IsEmpty()) {
Local<ObjectTemplate> raw_template = make_role_list_template();
role_list_template.Reset(isolate, raw_template);
}
Local<ObjectTemplate> templ = Local<ObjectTemplate>::New(isolate, role_list_template);
Local<Object> result = templ->NewInstance(isolate->GetCurrentContext()).ToLocalChecked();
// imitate an array
result->Set(String::NewFromUtf8(isolate, "length", NewStringType::kNormal).ToLocalChecked(), Integer::New(isolate, (*role_list).size()));
result->SetPrototype(Array::New(isolate)->GetPrototype());
Local<External> role_list_ptr = External::New(isolate, role_list);
result->SetInternalField(0, role_list_ptr);
return handle_scope.Escape(result);
}
void V8Instance::js_get_role_list(uint32_t index, const PropertyCallbackInfo<Value> &info) {
void *self_v = info.Data().As<External>()->Value();
if (!self_v) {
Logger::write("[v8] [js_get_role_list] Class pointer empty", Logger::LogLevel::Warning);
return;
}
V8Instance *self = static_cast<V8Instance *>(self_v);
void *role_list_v = info.Holder()->GetInternalField(0).As<External>()->Value();
if (!role_list_v) {
Logger::write("[v8] [js_get_role_list] Role List pointer empty", Logger::LogLevel::Warning);
return;
}
std::vector<DiscordObjects::Role *> *role_list = static_cast<std::vector<DiscordObjects::Role *> *>(role_list_v);
if (index < (*role_list).size()) {
Local<Object> role_obj = self->wrap_role((*role_list)[index]);
info.GetReturnValue().Set(role_obj);
}
else {
info.GetReturnValue().SetUndefined();
}
}
/* global functions */
void V8Instance::js_print(const v8::FunctionCallbackInfo<v8::Value> &args) {
auto data = args.Data().As<External>();
V8Instance *self = static_cast<V8Instance *>(data->Value());
std::string output = "";
for (int i = 0; i < args.Length(); i++) {
v8::String::Utf8Value str(args[i]);
self->print_text += *str;
}
self->print_text += "\n";
}
void V8Instance::js_random(const v8::FunctionCallbackInfo<v8::Value> &args) {
auto data = args.Data().As<External>();
V8Instance *self = static_cast<V8Instance *>(data->Value());
int number_args = args.Length();
if (number_args == 0) {
std::uniform_real_distribution<double> dist(0, 1);
double random_val = dist(self->rng);
args.GetReturnValue().Set(Number::New(args.GetIsolate(), random_val));
}
else if (number_args == 1) {
int64_t max = args[0]->IntegerValue();
std::uniform_int_distribution<int> dist(0, max);
int random_val = dist(self->rng);
args.GetReturnValue().Set(Integer::New(args.GetIsolate(), random_val));
}
else if (number_args == 2) {
int64_t min = args[0]->IntegerValue();
int64_t max = args[1]->IntegerValue();
std::uniform_int_distribution<int> dist(min, max);
int random_val = dist(self->rng);
args.GetReturnValue().Set(Integer::New(args.GetIsolate(), random_val));
}
else {
std::string err_msg = "random() requires 0-2 arguments. You gave: " + std::to_string(number_args);
args.GetIsolate()->ThrowException(String::NewFromUtf8(args.GetIsolate(), err_msg.c_str(), NewStringType::kNormal).ToLocalChecked());
}
}
void V8Instance::js_shuffle(const v8::FunctionCallbackInfo<v8::Value> &args) {
auto data = args.Data().As<External>();
V8Instance *self = static_cast<V8Instance *>(data->Value());
if (!args[0]->IsArray()) {
std::string err_msg = "shuffle() requires an array as it's argument. You gave: " + std::string(*String::Utf8Value(args[0]->TypeOf(args.GetIsolate())));
args.GetIsolate()->ThrowException(String::NewFromUtf8(args.GetIsolate(), err_msg.c_str(), NewStringType::kNormal).ToLocalChecked());
}
else {
Local<Array> given_arr = Local<Array>::Cast(args[0]);
const int length = given_arr->Length();
Local<Array> return_arr = Array::New(args.GetIsolate(), length);
std::vector<Local<Value>> cpp_arr;
for (uint32_t i = 0; i < given_arr->Length(); i++) {
cpp_arr.push_back(given_arr->Get(i));
}
std::shuffle(cpp_arr.begin(), cpp_arr.end(), self->rng);
for (uint32_t i = 0; i < given_arr->Length(); i++) {
return_arr->Set(i, cpp_arr[i]);
}
args.GetReturnValue().Set(return_arr);
}
}
void V8Instance::exec_js(std::string js, DiscordObjects::Channel *channel, DiscordObjects::GuildMember *sender, std::string args) {
HandleScope handle_scope(isolate);
Local<Context> context = Local<Context>::New(isolate, context_);
Context::Scope context_scope(context);
context->Global()->Set(
String::NewFromUtf8(isolate, "input", NewStringType::kNormal).ToLocalChecked(),
String::NewFromUtf8(isolate, args.c_str(), NewStringType::kNormal).ToLocalChecked()
);
Local<Object> user_obj = wrap_user(sender);
context->Global()->Set(
String::NewFromUtf8(isolate, "user", NewStringType::kNormal).ToLocalChecked(),
user_obj
);
Local<Object> channel_obj = wrap_channel(channel);
context->Global()->Set(
String::NewFromUtf8(isolate, "channel", NewStringType::kNormal).ToLocalChecked(),
channel_obj
);
// TODO: 'message' object here too, although it's fairly pointless
current_sender = sender;
current_channel = channel;
Logger::write("[v8] Preparing JS (guild " + (*guilds)[guild_id].id + ", channel " + channel->id + ")", Logger::LogLevel::Debug);
Local<String> source = String::NewFromUtf8(isolate, js.c_str(), NewStringType::kNormal).ToLocalChecked();
// compile
Logger::write("[v8] Isolate nullptr? " + std::to_string(isolate == nullptr) + " Context empty? " + std::to_string(context.IsEmpty()), Logger::LogLevel::Debug);
TryCatch compile_try_catch(isolate);
Local<Script> script;
auto begin = std::chrono::steady_clock::now();
if (!Script::Compile(context, source).ToLocal(&script)) {
String::Utf8Value error(compile_try_catch.Exception());
std::string err_msg = *error;
Logger::write("[v8] Compilation error: " + err_msg, Logger::LogLevel::Debug);
DiscordAPI::send_message(channel->id, ":warning: **Compilation error:** `" + err_msg + "`", config.token, config.cert_location);
return;
}
TryCatch run_try_catch(isolate);
MaybeLocal<Value> v = script->Run(context);
if (v.IsEmpty()) {
String::Utf8Value error(run_try_catch.Exception());
std::string err_msg = *error;
Logger::write("[v8] Runtime error: " + err_msg, Logger::LogLevel::Debug);
DiscordAPI::send_message(channel->id, ":warning: **Runtime error:** `" + err_msg + "`", config.token, config.cert_location);
}
auto end = std::chrono::steady_clock::now();
long long time_taken = std::chrono::duration_cast<std::chrono::milliseconds>(end - begin).count();
Logger::write("[v8] Script compiled and run in " + std::to_string(time_taken) + "ms", Logger::LogLevel::Debug);
current_sender = nullptr;
current_channel = nullptr;
if (print_text != "") {
DiscordAPI::send_message(channel->id, print_text, config.token, config.cert_location);
print_text = "";
}
}

99
TriviaBot/bot/js/V8Instance.hpp Normal file
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@ -0,0 +1,99 @@
#ifndef BOT_JS_V8INSTANCE
#define BOT_JS_V8INSTANCE
#include <memory>
#include <map>
#include <random>
#include <include/v8.h>
#include <include/libplatform/libplatform.h>
#include "../data_structures/Guild.hpp"
#include "../data_structures/Channel.hpp"
#include "../data_structures/Role.hpp"
#include "../data_structures/GuildMember.hpp"
#include "../data_structures/User.hpp"
class BotConfig;
class V8Instance {
public:
V8Instance(BotConfig &c, std::string guild_id, std::map<std::string, DiscordObjects::Guild> *guilds,
std::map<std::string, DiscordObjects::Channel> *channels, std::map<std::string, DiscordObjects::User> *users, std::map<std::string, DiscordObjects::Role> *roles);
void exec_js(std::string js, DiscordObjects::Channel *channel, DiscordObjects::GuildMember *sender, std::string args = "");
private:
BotConfig &config;
void create();
v8::Local<v8::Context> create_context();
void initialise(v8::Local<v8::Context> context);
/* server */
v8::Global<v8::ObjectTemplate> server_template;
v8::Local<v8::ObjectTemplate> make_server_template();
v8::Local<v8::Object> wrap_server(DiscordObjects::Guild *guild);
static void js_get_server(v8::Local<v8::Name> property, const v8::PropertyCallbackInfo<v8::Value> &info);
/* user */
v8::Global<v8::ObjectTemplate> user_template;
v8::Local<v8::ObjectTemplate> make_user_template();
v8::Local<v8::Object> wrap_user(DiscordObjects::GuildMember *member);
static void js_get_user(v8::Local<v8::Name> property, const v8::PropertyCallbackInfo<v8::Value> &info);
v8::Global<v8::ObjectTemplate> user_list_template;
v8::Local<v8::ObjectTemplate> make_user_list_template();
v8::Local<v8::Object> wrap_user_list(std::vector<DiscordObjects::GuildMember *> *user_list);
static void js_get_user_list(uint32_t index, const v8::PropertyCallbackInfo<v8::Value> &info);
/* channel */
v8::Global<v8::ObjectTemplate> channel_template;
v8::Local<v8::ObjectTemplate> make_channel_template();
v8::Local<v8::Object> wrap_channel(DiscordObjects::Channel *channel);
static void js_get_channel(v8::Local<v8::Name> property, const v8::PropertyCallbackInfo<v8::Value> &info);
v8::Global<v8::ObjectTemplate> channel_list_template;
v8::Local<v8::ObjectTemplate> make_channel_list_template();
v8::Local<v8::Object> wrap_channel_list(std::vector<DiscordObjects::Channel *> *channel_list);
static void js_get_channel_list(uint32_t index, const v8::PropertyCallbackInfo<v8::Value> &info);
/* role */
v8::Global<v8::ObjectTemplate> role_template;
v8::Local<v8::ObjectTemplate> make_role_template();
v8::Local<v8::Object> wrap_role(DiscordObjects::Role *role);
static void js_get_role(v8::Local<v8::Name> property, const v8::PropertyCallbackInfo<v8::Value> &info);
v8::Global<v8::ObjectTemplate> role_list_template;
v8::Local<v8::ObjectTemplate> make_role_list_template();
v8::Local<v8::Object> wrap_role_list(std::vector<DiscordObjects::Role *> *role_list);
static void js_get_role_list(uint32_t index, const v8::PropertyCallbackInfo<v8::Value> &info);
/* print function */
static void js_print(const v8::FunctionCallbackInfo<v8::Value> &args);
/* randomness functions */
static void js_random(const v8::FunctionCallbackInfo<v8::Value> &args);
static void js_shuffle(const v8::FunctionCallbackInfo<v8::Value> &args);
std::map<std::string, DiscordObjects::Guild> *guilds;
std::map<std::string, DiscordObjects::Channel> *channels;
std::map<std::string, DiscordObjects::User> *users;
std::map<std::string, DiscordObjects::Role> *roles;
std::string guild_id;
v8::Isolate *isolate;
v8::Global<v8::Context> context_;
/* random generating variables */
std::mt19937 rng;
/* variables which change when a new command is executed */
std::string print_text;
DiscordObjects::Channel *current_channel;
DiscordObjects::GuildMember *current_sender;
};
#endif

9
TriviaBot/data_management/LoadDB.cpp
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@ -16,17 +16,8 @@
/ Hideous code, but only needs to be run one time. / Hideous code, but only needs to be run one time.
**/ **/
static int callback(void *x, int argc, char **argv, char **azColName) {
int i;
for (i = 0; i<argc; i++) {
std::cout << azColName[i] << " = " << (argv[i] ? argv[i] : "NULL") << std::endl;
}
return 0;
}
int load_questions() { int load_questions() {
sqlite3 *db; sqlite3 *db;
char *zErrMsg = 0;
int rc; int rc;
rc = sqlite3_open("bot/db/trivia.db", &db); rc = sqlite3_open("bot/db/trivia.db", &db);