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"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Client = void 0;
const IPC_1 = require("./transport/IPC");
const axios_1 = __importDefault(require("axios"));
const WebSocket_1 = require("./transport/WebSocket");
const ClientUser_1 = require("./structures/ClientUser");
const RPCError_1 = require("./utils/RPCError");
const node_events_1 = require("node:events");
const node_crypto_1 = __importDefault(require("node:crypto"));
const Transport_1 = require("./structures/Transport");
class Client extends node_events_1.EventEmitter {
/**
* application id
*/
clientId;
/**
* application secret
*/
clientSecret;
/**
* pipe id
*/
pipeId;
accessToken;
refreshToken;
tokenType = "Bearer";
/**
* transport instance
*/
transport;
/**
* current user
*/
user;
/**
* current application
*/
application;
/**
* @hidden
*/
cdnHost = "https://cdn.discordapp.com";
/**
* @hidden
*/
origin = "https://localhost";
get isConnected() {
return this.transport.isConnected;
}
refreshTimeout;
connectionPromise;
_nonceMap = new Map();
constructor(options) {
super();
this.clientId = options.clientId;
this.clientSecret = options.clientSecret;
this.pipeId = options.pipeId;
this.transport =
options.transport?.type === undefined || options.transport.type === "ipc"
? new IPC_1.IPCTransport({
client: this,
pathList: options.transport?.pathList
})
: new (options.transport.type === "websocket" ? WebSocket_1.WebSocketTransport : options.transport.type)({
client: this
});
this.transport.on("message", (message) => {
if (message.cmd === "DISPATCH" && message.evt === "READY") {
if (message.data.user)
this.user = new ClientUser_1.ClientUser(this, message.data.user);
if (message.data.config && message.data.config.cdn_host)
this.cdnHost = `https://${message.data.config.cdn_host}`;
this.emit("connected");
}
else {
if (message.nonce && this._nonceMap.has(message.nonce)) {
const nonceObj = this._nonceMap.get(message.nonce);
if (message.evt === "ERROR") {
nonceObj.error.code = message.data.code;
nonceObj.error.message = message.data.message;
nonceObj?.reject(nonceObj.error);
}
else
nonceObj?.resolve(message);
this._nonceMap.delete(message.nonce);
}
this.emit(message.evt, message.data);
}
});
}
/**
* For RPC event, make sure to subscribe to the event.
*/
on(event, listener) {
return super.on(event, listener);
}
/**
* For RPC event, make sure to subscribe to the event.
*/
once(event, listener) {
return super.once(event, listener);
}
// #region Request Handlers
/**
* @hidden
*/
async fetch(method, path, req) {
const url = new URL(`https://discord.com/api${path}`);
if (req?.query)
for (const [key, value] of req.query)
url.searchParams.append(key, value);
return await (0, axios_1.default)({
url: url.toString(),
method,
data: req?.data ?? undefined,
headers: {
...(req?.headers ?? {}),
...(this.accessToken ? { Authorization: `${this.tokenType} ${this.accessToken}` } : {})
}
});
}
/**
* @hidden
*/
async request(cmd, args, evt) {
const error = new RPCError_1.RPCError(Transport_1.RPC_ERROR_CODE.RPC_UNKNOWN_ERROR);
RPCError_1.RPCError.captureStackTrace(error, this.request);
return new Promise((resolve, reject) => {
const nonce = node_crypto_1.default.randomUUID();
this.transport.send({ cmd, args, evt, nonce });
this._nonceMap.set(nonce, { resolve, reject, error });
});
}
// #endregion
// #region Authorization handlers
async authenticate() {
const { application, user } = (await this.request("AUTHENTICATE", { access_token: this.accessToken ?? "" }))
.data;
this.application = application;
this.user = new ClientUser_1.ClientUser(this, user);
this.emit("ready");
}
async refreshAccessToken() {
this.emit("debug", "CLIENT | Refreshing access token!");
this.hanleAccessTokenResponse((await this.fetch("POST", "/oauth2/token", {
data: new URLSearchParams({
client_id: this.clientId,
client_secret: this.clientSecret ?? "",
grant_type: "refresh_token",
refresh_token: this.refreshToken ?? ""
}),
headers: {
"content-type": "application/x-www-form-urlencoded"
}
})).data);
}
hanleAccessTokenResponse(data) {
if (!("access_token" in data) ||
!("refresh_token" in data) ||
!("expires_in" in data) ||
!("token_type" in data))
throw new TypeError(`Invalid access token response!\nData: ${JSON.stringify(data, null, 2)}`);
this.accessToken = data.access_token;
this.refreshToken = data.refresh_token;
this.tokenType = data.token_type;
this.refreshTimeout = setTimeout(() => void this.refreshAccessToken(), data.expires_in);
}
async authorize(options) {
let rpcToken;
if (options.useRPCToken) {
rpcToken = (await this.fetch("POST", "/oauth2/token/rpc", {
data: new URLSearchParams({
client_id: this.clientId,
client_secret: this.clientSecret ?? ""
}),
headers: {
"content-type": "application/x-www-form-urlencoded"
}
})).data.rpc_token;
}
const { code } = (await this.request("AUTHORIZE", {
scopes: options.scopes,
client_id: this.clientId,
rpc_token: options.useRPCToken ? rpcToken : undefined,
redirect_uri: options.redirect_uri ?? undefined,
prompt: options.prompt ?? "consent"
})).data;
this.hanleAccessTokenResponse((await this.fetch("POST", "/oauth2/token", {
data: new URLSearchParams({
client_id: this.clientId,
client_secret: this.clientSecret ?? "",
redirect_uri: options.redirect_uri ?? "",
grant_type: "authorization_code",
code
}),
headers: {
"content-type": "application/x-www-form-urlencoded"
}
})).data);
}
// #endregion
/**
* Used to subscribe to events. `evt` of the payload should be set to the event being subscribed to. `args` of the payload should be set to the args needed for the event.
* @param event event name now subscribed to
* @param args args for the event
* @returns an object to unsubscribe from the event
*/
async subscribe(event, args) {
await this.request("SUBSCRIBE", args, event);
return {
/**
* Unsubscribes from the event
*/
unsubscribe: () => this.request("UNSUBSCRIBE", args, event)
};
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////
/**
* connect to the local rpc server
*/
async connect() {
if (this.connectionPromise)
return this.connectionPromise;
const error = new RPCError_1.RPCError(Transport_1.RPC_ERROR_CODE.RPC_UNKNOWN_ERROR);
RPCError_1.RPCError.captureStackTrace(error, this.connect);
this.connectionPromise = new Promise((resolve, reject) => {
const timeout = setTimeout(() => {
this.connectionPromise = undefined;
error.code = Transport_1.CUSTOM_RPC_ERROR_CODE.RPC_CONNECTION_TIMEOUT;
error.message = "Connection timed out";
reject(error);
}, 10e3);
timeout.unref();
this.once("connected", () => {
this.connectionPromise = undefined;
this.transport.once("close", (reason) => {
this._nonceMap.forEach((promise) => {
promise.error.code =
typeof reason === "object" ? reason.code : Transport_1.CUSTOM_RPC_ERROR_CODE.RPC_CONNECTION_ENDED;
promise.error.message =
typeof reason === "object" ? reason.message : reason ?? "Connection ended";
promise.reject(promise.error);
});
this.emit("disconnected");
});
clearTimeout(timeout);
resolve();
});
this.transport.connect().catch(reject);
});
return this.connectionPromise;
}
/**
* will try to authorize if a scope is specified, else it's the same as `connect()`
* @param options options for the authorization
*/
async login(options) {
await this.connect();
if (!options || !options.scopes) {
this.emit("ready");
return;
}
await this.authorize(options);
await this.authenticate();
}
/**
* disconnects from the local rpc server
*/
async destroy() {
if (this.refreshTimeout) {
clearTimeout(this.refreshTimeout);
this.refreshTimeout = undefined;
this.refreshToken = undefined;
}
await this.transport.close();
}
}
exports.Client = Client;
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