162 lines
6 KiB
TypeScript
162 lines
6 KiB
TypeScript
/// <reference types="node" />
|
|
/// <reference types="node" />
|
|
/// <reference types="node" />
|
|
import { EventEmitter } from 'events';
|
|
import { SocksClientOptions, SocksClientChainOptions, SocksRemoteHost, SocksProxy, SocksClientBoundEvent, SocksClientEstablishedEvent, SocksUDPFrameDetails } from '../common/constants';
|
|
import { SocksClientError } from '../common/util';
|
|
import { Duplex } from 'stream';
|
|
declare interface SocksClient {
|
|
on(event: 'error', listener: (err: SocksClientError) => void): this;
|
|
on(event: 'bound', listener: (info: SocksClientBoundEvent) => void): this;
|
|
on(event: 'established', listener: (info: SocksClientEstablishedEvent) => void): this;
|
|
once(event: string, listener: (...args: unknown[]) => void): this;
|
|
once(event: 'error', listener: (err: SocksClientError) => void): this;
|
|
once(event: 'bound', listener: (info: SocksClientBoundEvent) => void): this;
|
|
once(event: 'established', listener: (info: SocksClientEstablishedEvent) => void): this;
|
|
emit(event: string | symbol, ...args: unknown[]): boolean;
|
|
emit(event: 'error', err: SocksClientError): boolean;
|
|
emit(event: 'bound', info: SocksClientBoundEvent): boolean;
|
|
emit(event: 'established', info: SocksClientEstablishedEvent): boolean;
|
|
}
|
|
declare class SocksClient extends EventEmitter implements SocksClient {
|
|
private options;
|
|
private socket;
|
|
private state;
|
|
private receiveBuffer;
|
|
private nextRequiredPacketBufferSize;
|
|
private socks5ChosenAuthType;
|
|
private onDataReceived;
|
|
private onClose;
|
|
private onError;
|
|
private onConnect;
|
|
constructor(options: SocksClientOptions);
|
|
/**
|
|
* Creates a new SOCKS connection.
|
|
*
|
|
* Note: Supports callbacks and promises. Only supports the connect command.
|
|
* @param options { SocksClientOptions } Options.
|
|
* @param callback { Function } An optional callback function.
|
|
* @returns { Promise }
|
|
*/
|
|
static createConnection(options: SocksClientOptions, callback?: (error: Error | null, info?: SocksClientEstablishedEvent) => void): Promise<SocksClientEstablishedEvent>;
|
|
/**
|
|
* Creates a new SOCKS connection chain to a destination host through 2 or more SOCKS proxies.
|
|
*
|
|
* Note: Supports callbacks and promises. Only supports the connect method.
|
|
* Note: Implemented via createConnection() factory function.
|
|
* @param options { SocksClientChainOptions } Options
|
|
* @param callback { Function } An optional callback function.
|
|
* @returns { Promise }
|
|
*/
|
|
static createConnectionChain(options: SocksClientChainOptions, callback?: (error: Error | null, socket?: SocksClientEstablishedEvent) => void): Promise<SocksClientEstablishedEvent>;
|
|
/**
|
|
* Creates a SOCKS UDP Frame.
|
|
* @param options
|
|
*/
|
|
static createUDPFrame(options: SocksUDPFrameDetails): Buffer;
|
|
/**
|
|
* Parses a SOCKS UDP frame.
|
|
* @param data
|
|
*/
|
|
static parseUDPFrame(data: Buffer): SocksUDPFrameDetails;
|
|
/**
|
|
* Internal state setter. If the SocksClient is in an error state, it cannot be changed to a non error state.
|
|
*/
|
|
private setState;
|
|
/**
|
|
* Starts the connection establishment to the proxy and destination.
|
|
* @param existingSocket Connected socket to use instead of creating a new one (internal use).
|
|
*/
|
|
connect(existingSocket?: Duplex): void;
|
|
private getSocketOptions;
|
|
/**
|
|
* Handles internal Socks timeout callback.
|
|
* Note: If the Socks client is not BoundWaitingForConnection or Established, the connection will be closed.
|
|
*/
|
|
private onEstablishedTimeout;
|
|
/**
|
|
* Handles Socket connect event.
|
|
*/
|
|
private onConnectHandler;
|
|
/**
|
|
* Handles Socket data event.
|
|
* @param data
|
|
*/
|
|
private onDataReceivedHandler;
|
|
/**
|
|
* Handles processing of the data we have received.
|
|
*/
|
|
private processData;
|
|
/**
|
|
* Handles Socket close event.
|
|
* @param had_error
|
|
*/
|
|
private onCloseHandler;
|
|
/**
|
|
* Handles Socket error event.
|
|
* @param err
|
|
*/
|
|
private onErrorHandler;
|
|
/**
|
|
* Removes internal event listeners on the underlying Socket.
|
|
*/
|
|
private removeInternalSocketHandlers;
|
|
/**
|
|
* Closes and destroys the underlying Socket. Emits an error event.
|
|
* @param err { String } An error string to include in error event.
|
|
*/
|
|
private closeSocket;
|
|
/**
|
|
* Sends initial Socks v4 handshake request.
|
|
*/
|
|
private sendSocks4InitialHandshake;
|
|
/**
|
|
* Handles Socks v4 handshake response.
|
|
* @param data
|
|
*/
|
|
private handleSocks4FinalHandshakeResponse;
|
|
/**
|
|
* Handles Socks v4 incoming connection request (BIND)
|
|
* @param data
|
|
*/
|
|
private handleSocks4IncomingConnectionResponse;
|
|
/**
|
|
* Sends initial Socks v5 handshake request.
|
|
*/
|
|
private sendSocks5InitialHandshake;
|
|
/**
|
|
* Handles initial Socks v5 handshake response.
|
|
* @param data
|
|
*/
|
|
private handleInitialSocks5HandshakeResponse;
|
|
/**
|
|
* Sends Socks v5 user & password auth handshake.
|
|
*
|
|
* Note: No auth and user/pass are currently supported.
|
|
*/
|
|
private sendSocks5UserPassAuthentication;
|
|
private sendSocks5CustomAuthentication;
|
|
private handleSocks5CustomAuthHandshakeResponse;
|
|
private handleSocks5AuthenticationNoAuthHandshakeResponse;
|
|
private handleSocks5AuthenticationUserPassHandshakeResponse;
|
|
/**
|
|
* Handles Socks v5 auth handshake response.
|
|
* @param data
|
|
*/
|
|
private handleInitialSocks5AuthenticationHandshakeResponse;
|
|
/**
|
|
* Sends Socks v5 final handshake request.
|
|
*/
|
|
private sendSocks5CommandRequest;
|
|
/**
|
|
* Handles Socks v5 final handshake response.
|
|
* @param data
|
|
*/
|
|
private handleSocks5FinalHandshakeResponse;
|
|
/**
|
|
* Handles Socks v5 incoming connection request (BIND).
|
|
*/
|
|
private handleSocks5IncomingConnectionResponse;
|
|
get socksClientOptions(): SocksClientOptions;
|
|
}
|
|
export { SocksClient, SocksClientOptions, SocksClientChainOptions, SocksClientError, SocksRemoteHost, SocksProxy, SocksUDPFrameDetails, };
|