Files
discord.js/src/Client/InternalClient.js
2015-11-01 15:12:33 +00:00

678 lines
18 KiB
JavaScript

"use strict";
var EventEmitter = require("events");
var request = require("superagent");
var WebSocket = require("ws");
var ConnectionState = require("./ConnectionState.js");
var Constants = require("../Constants.js"),
Endpoints = Constants.Endpoints,
PacketType = Constants.PacketType;
var Cache = require("../Util/Cache.js");
var Resolver = require("./Resolver/Resolver.js");
var User = require("../Structures/User.js"),
Channel = require("../Structures/Channel.js"),
TextChannel = require("../Structures/TextChannel.js"),
VoiceChannel = require("../Structures/VoiceChannel.js"),
PMChannel = require("../Structures/PMChannel.js"),
Server = require("../Structures/Server.js"),
Message = require("../Structures/Message.js"),
Role = require("../Structures/Role.js");
var zlib;
class InternalClient {
constructor(discordClient) {
this.client = discordClient;
this.state = ConnectionState.IDLE;
this.websocket = null;
if (this.client.options.compress) {
zlib = require("zlib");
}
// creates 4 caches with discriminators based on ID
this.users = new Cache();
this.channels = new Cache();
this.servers = new Cache();
this.private_channels = new Cache();
this.resolver = new Resolver(this);
}
// def createServer
createServer(name, region="london") {
var self = this;
return new Promise((resolve, reject) => {
name = self.resolver.resolveString(name);
request
.post(Endpoints.SERVERS)
.set("authorization", self.token)
.send({name, region})
.end((err, res)=>{
if(err){
reject(new Error(err.response.text));
}else{
// valid server, wait until it is cached
var inter = setInterval(() => {
if(self.servers.get("id", res.body.id)){
clearInterval(inter);
resolve(self.servers.get("id", res.body.id));
}
}, 20);
}
});
});
}
//def leaveServer
leaveServer(srv) {
var self = this;
return new Promise((resolve, reject) => {
var server = self.resolver.resolveServer(srv);
if(server){
request
.del(Endpoints.SERVER(server.id))
.set("authorization", self.token)
.end((err, res) => {
if(err){
reject(new Error(err.response.text));
}else{
// remove channels of server then the server
for(var chan of server.channels){
self.channels.remove(chan);
}
// remove server
self.servers.remove(server);
resolve();
}
});
}else{
reject(new Error("server did not resolve"));
}
});
}
// def login
login(email, password) {
var self = this;
var client = self.client;
return new Promise((resolve, reject) => {
if (self.state === ConnectionState.DISCONNECTED || self.state === ConnectionState.IDLE) {
self.state = ConnectionState.LOGGING_IN;
request
.post(Endpoints.LOGIN)
.send({ email, password })
.end(function (err, res) {
if (err) {
self.state = ConnectionState.DISCONNECTED;
self.websocket = null;
client.emit("disconnected");
reject(new Error(err.response.text));
} else {
var token = res.body.token;
self.state = ConnectionState.LOGGED_IN;
self.token = token;
self.email = email;
self.password = password;
self.getGateway().then((url) => {
self.createWS(url);
resolve(token);
}).catch((e) => {
self.state = ConnectionState.DISCONNECTED;
client.emit("disconnected");
reject(new Error(err.response.text));
});
}
});
} else {
reject(new Error("already logging in/logged in/ready!"));
}
});
}
// def logout
logout() {
var self = this;
return new Promise((resolve, reject) => {
if (self.state === ConnectionState.DISCONNECTED || self.state === ConnectionState.IDLE) {
reject(new Error("Client is not logged in!"));
return;
}
request
.post(Endpoints.LOGOUT)
.set("authorization", self.token)
.end((err, res) => {
if (err) {
reject(new Error(err.response.text));
} else {
if (this.websocket) {
this.websocket.close();
this.websocket = null;
}
self.token = null;
self.email = null;
self.password = null;
self.state = ConnectionState.DISCONNECTED;
resolve();
}
});
});
}
// def startPM
startPM(resUser) {
var self = this;
return new Promise((resolve, reject) => {
var user = self.resolver.resolveUser(resUser);
if (user) {
// start the PM
request
.post(`${Endpoints.USER_CHANNELS(user.id) }`)
.set("authorization", self.token)
.send({
recipient_id: user.id
})
.end((err, res) => {
if (err) {
reject(new Error(err.response.text));
} else {
resolve(self.private_channels.add(new PMChannel(res.body, self.client)));
}
});
} else {
reject(new Error("Unable to resolve resUser to a User"));
}
});
}
// def getGateway
getGateway() {
var self = this;
return new Promise((resolve, reject) => {
request
.get(Endpoints.GATEWAY)
.set("authorization", self.token)
.end(function (err, res) {
if (err)
reject(err);
else
resolve(res.body.url);
});
});
}
// def sendMessage
sendMessage(where, _content, options = {}) {
var self = this;
return new Promise((resolve, reject) => {
self.resolver.resolveChannel(where)
.then(next)
.catch(e => reject(new Error("Error resolving destination - " + e)));
function next(destination) {
//var destination;
var content = self.resolver.resolveString(_content);
var mentions = self.resolver.resolveMentions(content);
request
.post(Endpoints.CHANNEL_MESSAGES(destination.id))
.set("authorization", self.token)
.send({
content: content,
mentions: mentions,
tts: options.tts
})
.end((err, res) => {
if (err) {
reject(new Error(err.response.text));
} else {
resolve(
destination.messages.add(
new Message(res.body, destination, self.client)
)
);
}
});
}
});
}
// def deleteMessage
deleteMessage(_message, options = {}) {
var self = this;
return new Promise((resolve, reject) => {
var message = self.resolver.resolveMessage(_message);
if (message) {
if (options.wait) {
setTimeout(deleteMsg, options.wait);
} else {
deleteMsg();
}
function deleteMsg() {
request
.del(Endpoints.CHANNEL_MESSAGE(message.channel.id, message.id))
.set("authorization", self.token)
.end((err, res) => {
if (err) {
reject(new Error(err.response.text));
} else {
message.channel.messages.remove(message);
resolve();
}
});
}
} else {
reject(new Error("Supplied message did not resolve to a message!"));
}
});
}
// def updateMessage
updateMessage(msg, _content, options = {}) {
var self = this;
return new Promise((resolve, reject) => {
var message = self.resolver.resolveMessage(msg);
if (message) {
var content = self.resolver.resolveString(_content);
var mentions = self.resolver.resolveMentions(content);
request
.patch(Endpoints.CHANNEL_MESSAGE(message.channel.id, message.id))
.set("authorization", self.token)
.send({
content: content,
tts: options.tts,
mentions: mentions
})
.end((err, res) => {
if (err) {
reject(new Error(err.response.text));
} else {
resolve(
message.channel.messages.update
(message, new Message(res.body, message.channel, self.client)
));
}
})
} else {
reject(new Error("Supplied message did not resolve to a message!"));
}
});
}
// def sendFile
sendFile(where, _file, name="image.png"){
var self = this;
return new Promise((resolve, reject) => {
self.resolver.resolveChannel(where)
.then(next)
.catch(e => reject(new Error("couldn't resolve to channel - " + e)));
function next(channel) {
var file = self.resolver.resolveFile(_file);
request
.post(Endpoints.CHANNEL_MESSAGES(channel.id))
.set("authorization", self.token)
.attach("file", file, name)
.end((err, res) => {
if(err){
reject(new Error(err.response.text));
}else{
resolve(channel.messages.add(new Message(res.body, channel, self.client)));
}
});
}
});
}
// def getChannelLogs
getChannelLogs(_channel, limit = 500, options = {}) {
var self = this;
return new Promise((resolve, reject) => {
self.resolver.resolveChannel(_channel)
.then(next)
.catch(e => reject(new Error("couldn't resolve to channel - " + e)));
function next(channel) {
if (options.before)
options.before = self.resolver.resolveMessage(options.before);
if (options.after)
options.after = self.resolver.resolveMessage(options.after);
var params = [];
if (options.before)
params.push("before=" + options.before.id);
if (options.after)
params.push("after=" + options.after.id);
var joinedParams = params.join();
if (joinedParams !== "")
joinedParams = "&" + params.join();
request
.get(`${Endpoints.CHANNEL_MESSAGES(channel.id)}?limit=${limit}${joinedParams}`)
.set("authorization", self.token)
.end((err, res) => {
if(err){
reject(new Error(err.response.text));
}else{
var logs = [];
res.body.forEach((msg) => {
logs.push( channel.messages.add(new Message(msg, channel, self.client)) );
});
resolve(logs);
}
});
}
});
}
sendWS(object) {
this.websocket.send(JSON.stringify(object));
}
createWS(url) {
var self = this;
var client = self.client;
if (this.websocket)
return false;
this.websocket = new WebSocket(url);
this.websocket.onopen = () => {
self.sendWS({
op: 2,
d: {
token: self.token,
v: 3,
compress: self.client.options.compress,
properties: {
"$os": "discord.js",
"$browser": "discord.js",
"$device": "discord.js",
"$referrer": "discord.js",
"$referring_domain": "discord.js"
}
}
});
}
this.websocket.onclose = () => {
self.websocket = null;
self.state = ConnectionState.DISCONNECTED;
client.emit("disconnected");
}
this.websocket.onmessage = (e) => {
if (e.type === "Binary") {
if (!zlib) zlib = require("zlib");
e.data = zlib.inflateSync(e.data).toString();
}
var packet, data;
try {
packet = JSON.parse(e.data);
data = packet.d;
} catch (e) {
client.emit("error", e);
return;
}
client.emit("raw", packet);
switch (packet.t) {
case PacketType.READY:
var startTime = Date.now();
self.users.add(new User(data.user, client));
data.guilds.forEach((server) => {
self.servers.add(new Server(server, client));
});
data.private_channels.forEach((pm) => {
self.private_channels.add(new PMChannel(pm, client));
});
self.state = ConnectionState.READY;
setInterval(() => self.sendWS({ op: 1, d: Date.now() }), data.heartbeat_interval);
client.emit("ready");
client.emit("debug", `ready packet took ${Date.now() - startTime}ms to process`);
client.emit("debug", `ready with ${self.servers.length} servers, ${self.channels.length} channels and ${self.users.length} users cached.`);
break;
case PacketType.MESSAGE_CREATE:
// format: https://discordapi.readthedocs.org/en/latest/reference/channels/messages.html#message-format
var channel = self.channels.get("id", data.channel_id);
if (channel) {
var msg = channel.messages.add(new Message(data, channel, client));
client.emit("message", msg);
} else {
client.emit("warn", "message created but channel is not cached");
}
break;
case PacketType.MESSAGE_DELETE:
// format https://discordapi.readthedocs.org/en/latest/reference/channels/messages.html#message-delete
var channel = self.channels.get("id", data.channel_id);
if (channel) {
// potentially blank
var msg = channel.messages.get("id", data.id);
client.emit("messageDeleted", msg);
if(msg){
channel.messages.remove(msg);
}
} else {
client.emit("warn", "message was deleted but channel is not cached");
}
break;
case PacketType.MESSAGE_UPDATE:
// format https://discordapi.readthedocs.org/en/latest/reference/channels/messages.html#message-format
var channel = self.channels.get("id", data.channel_id);
if (channel) {
// potentially blank
var msg = channel.messages.get("id", data.id);
if(msg){
// old message exists
data.nonce = data.nonce || msg.nonce;
data.attachments = data.attachments || msg.attachments;
data.tts = data.tts || msg.tts;
data.embeds = data.embeds || msg.embeds;
data.timestamp = data.timestamp || msg.timestamp;
data.mention_everyone = data.mention_everyone || msg.everyoneMentioned;
data.content = data.content || msg.content;
data.mentions = data.mentions || msg.mentions;
data.author = data.author || msg.author;
var nmsg = channel.messages.update(msg, new Message(data, channel, client));
client.emit("messageUpdated", nmsg, msg);
}
} else {
client.emit("warn", "message was updated but channel is not cached");
}
break;
case PacketType.SERVER_CREATE:
var server = self.servers.get("id", data.id);
if(!server){
self.servers.add(new Server(data, client));
client.emit("serverCreated", server);
}
break;
case PacketType.SERVER_DELETE:
var server = self.servers.get("id", data.id);
if(server){
for(var channel of server.channels){
self.channels.remove(channel);
}
self.servers.remove(server);
client.emit("serverDeleted", server);
}else{
client.emit("warn", "server was deleted but it was not in the cache");
}
break;
case PacketType.SERVER_UPDATE:
var server = self.servers.get("id", data.id);
if(server){
// server exists
data.members = data.members || [];
data.channels = data.channels || [];
var newserver = new Server(data, self);
newserver.members = server.members;
newserver.memberMap = server.memberMap;
newserver.channels = server.channels;
if(newserver.equalsStrict(server)){
// already the same don't do anything
client.emit("debug", "received server update but server already updated");
}else{
self.servers.update(server, newserver);
client.emit("serverUpdated", server, newserver);
}
}else if(!server){
client.emit("warn", "server was updated but it was not in the cache");
self.servers.add( new Server(data, self) );
client.emit("serverCreated", server);
}
break;
case PacketType.CHANNEL_CREATE:
var channel = self.channels.get("id", data.id);
if(!channel){
var server = self.servers.get("id", data.guild_id);
if(server){
if(data.is_private){
client.emit("channelCreated", self.private_channels.add( new PMChannel(data, client) ));
}else{
var chan = null;
if(data.type === "text"){
chan = self.channels.add(new TextChannel(data, client, server));
}else{
chan = self.channels.add(new VoiceChannel(data, client, server));
}
client.emit("channelCreated", server.channels.add(chan));
}
}else{
client.emit("warn", "channel created but server does not exist");
}
}else{
client.emit("warn", "channel created but already in cache");
}
break;
case PacketType.CHANNEL_DELETE:
var channel = self.channels.get("id", data.id);
if(channel){
if(channel.server) // accounts for PMs
channel.server.channels.remove(channel);
self.channels.remove(channel);
client.emit("channelDeleted", channel);
}else{
client.emit("warn", "channel deleted but already out of cache?");
}
break;
case PacketType.CHANNEL_UPDATE:
var channel = self.channels.get("id", data.id) || self.private_channels.get("id", data.id);
if(channel){
if(channel instanceof PMChannel){
//PM CHANNEL
client.emit("channelUpdated", self.private_channels.update(
channel,
new PMChannel(data, client)
));
}else{
if(channel.server){
if(channel.type === "text"){
//TEXT CHANNEL
var chan = new TextChannel(data, client, channel.server);
chan.messages = channel.messages;
channel.server.channels.update(channel, chan);
self.channels.update(channel, chan);
client.emit("channelUpdated", channel, chan);
}else{
//VOICE CHANNEL
var chan = new VoiceChannel(data, client, channel.server);
channel.server.channels.update(channel, chan);
self.channels.update(channel, chan);
client.emit("channelUpdated", channel, chan);
}
}else{
client.emit("warn", "channel updated but server non-existant");
}
}
}else{
client.emit("warn", "channel updated but not in cache");
}
break;
case PacketType.SERVER_ROLE_CREATE:
var server = self.servers.get("id", data.guild_id);
if(server){
client.emit("serverRoleCreated", server.roles.add(new Role(data.role, server, client)), server);
}else{
client.emit("warn", "server role made but server not in cache");
}
break;
}
}
}
}
module.exports = InternalClient;