diff --git a/build/blinksocks.js b/build/blinksocks.js
index 34087bd..5703c1b 100644
--- a/build/blinksocks.js
+++ b/build/blinksocks.js
@@ -3,7 +3,7 @@
  * 
  * name: blinksocks.js
  * version: v2.4.9
- * hash: fa23c2df45887627020a
+ * hash: 05a02cc0b83397647c91
  */
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')?null:e.slice(r+1):null},noConflict:function(){return e.SecondLevelDomains===this&&(e.SecondLevelDomains=t),this}};return n})},function(e,t,n){'use strict';function r(e){return e&&e.__esModule?e:{default:e}}function o(e){return function(){var t=e.apply(this,arguments);return new Promise(function(e,n){function r(o,a){try{var s=t[o](a),i=s.value}catch(e){return void n(e)}return s.done?void e(i):Promise.resolve(i).then(function(e){r('next',e)},function(e){r('throw',e)})}return r('next')})}}Object.defineProperty(t,'__esModule',{value:!0}),t.DNSCache=t.DNS_DEFAULT_EXPIRE=void 0;var a=function(){function e(e,t){var n=[],r=!0,o=!1,a;try{for(var s=e[Symbol.iterator](),i;!(r=(i=s.next()).done)&&(n.push(i.value),!(t&&n.length===t));r=!0);}catch(e){o=!0,a=e}finally{try{!r&&s['return']&&s['return']()}finally{if(o)throw a}}return n}return function(t,n){if(Array.isArray(t))return t;if(Symbol.iterator in Object(t))return e(t,n);throw new TypeError('Invalid attempt to destructure non-iterable instance')}}(),s=n(25),i=r(s),d=n(4),l=r(d);const c=t.DNS_DEFAULT_EXPIRE=3.6e6;t.DNSCache=class{constructor({expire:e}={}){this._pool={},this._expire=c,e!==void 0&&(this._expire=e)}_now(){return new Date().getTime()}_lookup(e){return new Promise((t,n)=>{i.default.lookup(e,function(e,r){e?n(e):t(r)})})}_put(e,t){if(0<this._expire){const n=this._now()+this._expire;this._pool[e]=[t,n]}}get(e){var t=this;return o(function*(){if(l.default.isIP(e))return e;let n=null;if('undefined'==typeof t._pool[e])n=yield t._lookup(e),t._put(e,n);else{var r=a(t._pool[e],2);const o=r[0],s=r[1];t._now()>=s&&delete t._pool[e],n=o}return n})()}}},function(e,t,n){function r(e){return n(o(e))}function o(e){var t=a[e];if(!(t+1))throw new Error('Cannot find module \''+e+'\'.');return t}var a={"./__tests__/defs.test":32,"./__tests__/defs.test.js":32,"./__tests__/ss-base.test":33,"./__tests__/ss-base.test.js":33,"./__tests__/ss-stream-cipher.test":34,"./__tests__/ss-stream-cipher.test.js":34,"./aead-random-cipher":35,"./aead-random-cipher.js":35,"./defs":0,"./defs.js":0,"./exp-base-auth-stream":36,"./exp-base-auth-stream.js":36,"./exp-base-with-padding":37,"./exp-base-with-padding.js":37,"./obfs-http":38,"./obfs-http.js":38,"./obfs-tls1.2-ticket":39,"./obfs-tls1.2-ticket.js":39,"./proxy":40,"./proxy.js":40,"./ss-aead-cipher":42,"./ss-aead-cipher.js":42,"./ss-base":20,"./ss-base.js":20,"./ss-stream-cipher":21,"./ss-stream-cipher.js":21};r.keys=function(){return Object.keys(a)},r.resolve=o,e.exports=r,r.id=31},function(e,t,n){'use strict';var r=n(0);const o=new r.IPreset,a={buffer:null};describe('IPreset#onNotified',function(){it('should return false',function(){expect(o.onNotified()).toBe(!1)})}),describe('IPreset#beforeIn,beforeOut,clientOut,serverIn,serverOut,clientIn',function(){it('should return null',function(){expect(o.beforeIn(a)).toBe(null),expect(o.beforeOut(a)).toBe(null),expect(o.clientOut(a)).toBe(null),expect(o.serverIn(a)).toBe(null),expect(o.serverOut(a)).toBe(null),expect(o.clientIn(a)).toBe(null)})})},function(e,t,n){'use strict';var r=Object.assign||function(e){for(var t=1,n;t<arguments.length;t++)for(var r in n=arguments[t],n)Object.prototype.hasOwnProperty.call(n,r)&&(e[r]=n[r]);return e},o=n(1),a=n(20),s=function(e){return e&&e.__esModule?e:{default:e}}(a);describe('SSBasePreset#clientOut',function(){global.__IS_CLIENT__=!0;const e=new s.default({type:1,host:Buffer.from('example.com'),port:(0,o.numberToBuffer)(1080)});it('should return more than 1 byte',function(){expect(e.clientOut({buffer:Buffer.alloc(1)}).length).toBeGreaterThan(1)}),it('should return only 1 byte',function(){expect(e.clientOut({buffer:Buffer.alloc(1)}).length).toBe(1)})}),describe('SSBasePreset#serverIn',function(){const e={next:jest.fn(),broadcast:jest.fn(({payload:{onConnected:t}})=>{t(),expect(e.next).toHaveBeenCalled()}),fail:jest.fn()};it('should call fail',function(){global.__IS_CLIENT__=!1;const t=new s.default;t.serverIn(r({},e,{buffer:Buffer.alloc(0)})),t.serverIn(r({},e,{buffer:Buffer.alloc(7)})),t.serverIn(r({},e,{buffer:Buffer.alloc(8)})),t.serverIn(r({},e,{buffer:Buffer.from([4,0,0,0,0,0,0,0])})),t.serverIn(r({},e,{buffer:Buffer.from([3,5,0,0,0,0,0,0])})),expect(e.fail).toHaveBeenCalledTimes(5)}),it('should call broadcast ipv4',function(){global.__IS_CLIENT__=!1;const t=new s.default;t.serverIn(r({},e,{buffer:Buffer.from([1,5,0,0,0,0,0,0])})),expect(e.broadcast).toHaveBeenCalled()}),it('should call broadcast ipv6',function(){global.__IS_CLIENT__=!1;const t=new s.default;t.serverIn(r({},e,{buffer:Buffer.from([4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0])})),expect(e.broadcast).toHaveBeenCalled()}),it('should call broadcast domain',function(){global.__IS_CLIENT__=!1;const t=new s.default;t.serverIn(r({},e,{buffer:Buffer.from([3,11,...Buffer.from('example.com'),0,0])})),expect(e.broadcast).toHaveBeenCalled(),expect(t.serverIn(r({},e,{buffer:Buffer.alloc(1)})).length).toBe(1)}),it('should call fail if domain is invalid',function(){global.__IS_CLIENT__=!1;const t=new s.default;t.serverIn(r({},e,{buffer:Buffer.from([3,12,...Buffer.from('=example.com'),0,0])})),expect(e.fail).toHaveBeenCalled()})})},function(e,t,n){'use strict';var r=n(21),o=function(e){return e&&e.__esModule?e:{default:e}}(r);global.__KEY__='abc',describe('SSStreamCipherPreset#constructor',function(){it('should throw when method is invalid',function(){expect(()=>new o.default({method:null})).toThrow(),expect(()=>new o.default({method:''})).toThrow(),expect(()=>new o.default({method:'xxx'})).toThrow()}),it('should set this._key',function(){const e=new o.default({method:'aes-128-cfb'});expect(e._key).not.toBe(null)})}),describe('SSStreamCipherPreset#beforeOut',function(){const e=new o.default({method:'aes-128-cfb'});it('should return 16 bytes',function(){expect(e.beforeOut({buffer:Buffer.alloc(0)}).length).toBe(16)}),it('should return 1 byte',function(){expect(e.beforeOut({buffer:Buffer.alloc(1)}).length).toBe(1)})}),describe('SSStreamCipherPreset#beforeIn',function(){const e=new o.default({method:'aes-128-cfb'});it('should return empty',function(){expect(e.beforeIn({buffer:Buffer.alloc(16)}).length).toBe(0)}),it('should return 1 byte',function(){expect(e.beforeIn({buffer:Buffer.alloc(1)}).length).toBe(1)})})},function(e,t,n){'use strict';Object.defineProperty(t,'__esModule',{value:!0});var r=function(){function e(e,t){var n=[],r=!0,o=!1,a;try{for(var s=e[Symbol.iterator](),i;!(r=(i=s.next()).done)&&(n.push(i.value),!(t&&n.length===t));r=!0);}catch(e){o=!0,a=e}finally{try{!r&&s['return']&&s['return']()}finally{if(o)throw a}}return n}return function(t,n){if(Array.isArray(t))return t;if(Symbol.iterator in Object(t))return e(t,n);throw new TypeError('Invalid attempt to destructure non-iterable instance')}}(),o=n(6),a=function(e){return e&&e.__esModule?e:{default:e}}(o),s=n(1),i=n(0);const d=12,l=16,c=2,u=['aes-128-gcm','aes-192-gcm','aes-256-gcm'],p='sha1';class f extends i.IPreset{constructor({method:e,info:t,factor:n}){if(super(),this._cipherName='',this._info=null,this._factor=c,this._rawKey=null,this._cipherKey=null,this._decipherKey=null,this._cipherNonce=0,this._decipherNonce=0,this._nextExpectDecipherNonce=0,this._adBuf=null,'undefined'==typeof e||''===e)throw Error('\'method\' must be set.');if(!u.includes(e))throw Error(`method '${e}' is not supported.`);if('string'!=typeof t||0>=t.length)throw Error('\'info\' must be a non-empty string.');if('undefined'==typeof n)n=c;else{if(!Number.isInteger(n))throw Error('\'factor\' must be an integer.');if(1>n||10<n)throw Error('\'factor\' must be in [1, 10].')}this._cipherName=e,this._info=Buffer.from(t),this._factor=n,this._rawKey=global.__KEY__?Buffer.from(__KEY__):null,this._adBuf=new s.AdvancedBuffer({getPacketLength:this.onReceiving.bind(this)}),this._adBuf.on('data',this.onChunkReceived.bind(this))}beforeOut({buffer:e}){let t=null;if(null===this._cipherKey){const e=this._cipherName.split('-')[1]/8;t=a.default.randomBytes(e),this._cipherKey=(0,s.HKDF)(p,t,this._rawKey,this._info,e)}const n=(0,s.getRandomChunks)(e,2048,16383).map((e)=>{const t=this.getPaddingLength(this._cipherKey,this._cipherNonce),n=a.default.randomBytes(t),o=(0,s.numberToBuffer)(e.length);var i=this.encrypt(o),d=r(i,2);const l=d[0],c=d[1];var u=this.encrypt(e),p=r(u,2);const f=p[0],m=p[1];return Buffer.concat([n,l,c,f,m])});return t?Buffer.concat([t,...n]):Buffer.concat(n)}beforeIn({buffer:e,next:t,fail:n}){this._adBuf.put(e,{next:t,fail:n})}onReceiving(e,{fail:t}){if(null===this._decipherKey){const t=this._cipherName.split('-')[1]/8;if(e.length<t)return;const n=e.slice(0,t);return this._decipherKey=(0,s.HKDF)(p,n,this._rawKey,this._info,t),e.slice(t)}if(this._decipherNonce===this._nextExpectDecipherNonce){const t=this.getPaddingLength(this._decipherKey,this._decipherNonce);return e.length<t?void 0:(this._nextExpectDecipherNonce+=2,e.slice(t))}if(!(e.length<2*l+3)){var n=[e.slice(0,2),e.slice(2,2+l)];const r=n[0],o=n[1],a=this.decrypt(r,o);return null===a?(t(`unexpected DataLen_TAG=${o.toString('hex')} when verify DataLen=${r.toString('hex')}`),-1):2+l+a.readUInt16BE(0)+l}}onChunkReceived(e,{next:t,fail:n}){var r=[e.slice(2+l,-l),e.slice(-l)];const o=r[0],a=r[1],s=this.decrypt(o,a);return null===s?void n(`unexpected Data_TAG=${a.toString('hex')} when verify Data=${o.slice(0,60).toString('hex')}`):void t(s)}getPaddingLength(e,t){const n=(0,s.numberToBuffer)(t,d,s.BYTE_ORDER_LE),r=a.default.createCipheriv(this._cipherName,e,n);return r.update(n),r.final(),r.getAuthTag()[0]*this._factor}encrypt(e){const t=a.default.createCipheriv(this._cipherName,this._cipherKey,(0,s.numberToBuffer)(this._cipherNonce,d,s.BYTE_ORDER_LE)),n=Buffer.concat([t.update(e),t.final()]),r=t.getAuthTag();return this._cipherNonce+=1,[n,r]}decrypt(e,t){const n=a.default.createDecipheriv(this._cipherName,this._decipherKey,(0,s.numberToBuffer)(this._decipherNonce,d,s.BYTE_ORDER_LE));n.setAuthTag(t);try{const t=Buffer.concat([n.update(e),n.final()]);return this._decipherNonce+=1,t}catch(e){return null}}}t.default=f},function(e,t,n){'use strict';function r(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(t,'__esModule',{value:!0});var o=n(6),a=r(o),s=n(7),i=r(s),d=n(1),l=n(0);const c=16,u=16,p=['aes-128-ctr','aes-192-ctr','aes-256-ctr','aes-128-cfb','aes-192-cfb','aes-256-cfb','camellia-128-cfb','camellia-192-cfb','camellia-256-cfb'];class f extends l.IPreset{constructor({type:e,host:t,port:n,method:r}){if(super(),this._isHandshakeDone=!1,this._host=null,this._port=null,this._cipherName='',this._cipher=null,this._decipher=null,'string'!=typeof r||''===r)throw Error('\'method\' must be set');if(!p.includes(r))throw Error(`method '${r}' is not supported.`);__IS_CLIENT__&&(this._host=t,this._port=n,(e===1||e===4)&&(this._host=Buffer.from(i.default.toString(t)))),this._cipherName=r}clientOut({buffer:e}){if(!this._isHandshakeDone){this._isHandshakeDone=!0;const t=a.default.randomBytes(c),n=(0,d.EVP_BytesToKey)(__KEY__,this._cipherName.split('-')[1]/8,c),r=(0,d.Xor)(t,n.slice(0,c));this._cipher=a.default.createCipheriv(this._cipherName,n,t),this._decipher=a.default.createDecipheriv(this._cipherName,n,t);const o=this.encrypt(Buffer.concat([(0,d.numberToBuffer)(this._host.length,1),this._host,this._port,e])),s=(0,d.hmac)('sha1',r,o.slice(0,-e.length)).slice(0,u);return Buffer.concat([t,s,o])}return this.encrypt(e)}serverIn({buffer:e,next:t,broadcast:n,fail:r}){if(!this._isHandshakeDone){if(37>e.length)return r(`unexpected buffer length_1: ${e.length}, buffer=${e.toString('hex')}`);const o=e.slice(0,c),s=(0,d.EVP_BytesToKey)(__KEY__,this._cipherName.split('-')[1]/8,c);this._cipher=a.default.createCipheriv(this._cipherName,s,o),this._decipher=a.default.createDecipheriv(this._cipherName,s,o);const i=this.decrypt(e.slice(32)),p=e.slice(16,32),f=i[0];if(e.length<=35+f)return r(`unexpected buffer length_2: ${e.length}, buffer=${e.toString('hex')}`);const m=(0,d.Xor)(o,s.slice(0,c)),g=(0,d.hmac)('sha1',m,e.slice(32,35+f)).slice(0,u);if(!g.equals(p))return r(`unexpected HMAC-SHA1=${p.toString('hex')} want=${g.toString('hex')}`);const h=i.slice(1,f+1).toString(),_=i.slice(f+1,f+3).readUInt16BE(0),y=i.slice(f+3);n({type:l.SOCKET_CONNECT_TO_DST,payload:{targetAddress:{host:h,port:_},onConnected:()=>{t(y),this._isHandshakeDone=!0}}})}else return this.decrypt(e)}serverOut({buffer:e}){return this.encrypt(e)}clientIn({buffer:e}){return this.decrypt(e)}encrypt(e){return this._cipher.update(e)}decrypt(e){return this._decipher.update(e)}}t.default=f},function(e,t,n){'use strict';function r(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(t,'__esModule',{value:!0});var o=n(4),a=r(o),s=n(7),i=r(s),d=n(1),l=n(0);class c extends l.IPreset{constructor({type:e,host:t,port:n,salt:r}){if(super(),this._isHandshakeDone=!1,this._isAddressReceived=!1,this._host=null,this._port=null,this._padding=null,this._staging=Buffer.alloc(0),'string'!=typeof r||''===r)throw Error('\'salt\' must be set to a non-empty string');__IS_CLIENT__&&(this._host=t,this._port=n,(e===1||e===4)&&(this._host=Buffer.from(i.default.toString(t)))),this._padding=(0,d.hash)('sha256',r).slice(0,15)}clientOut({buffer:e}){return this._isHandshakeDone?e:(this._isHandshakeDone=!0,Buffer.concat([(0,d.numberToBuffer)(this._host.length,1),this._padding,this._host,this._port,e]))}serverIn({buffer:e,next:t,broadcast:n,fail:r}){if(!this._isHandshakeDone){if(this._isAddressReceived)return void(this._staging=Buffer.concat([this._staging,e]));if(20>e.length)return r(`unexpected buffer length: ${e.length}, buffer=${e.toString('hex')}`);if(!e.slice(1,16).equals(this._padding))return r(`unexpected padding=${this._padding.toString('hex')}`);const o=e[0];if(e.length<=o+18)return r(`unexpected buffer length: ${e.length}, buffer=${e.toString('hex')}`);let s=e.slice(16,16+o);if((0,d.isValidHostname)(s))s=s.toString();else if(a.default.isIP(s))s=i.default.toString(s);else return r(`invalid addr: (${s.toString()})`);const c=e.slice(o+16,o+18).readUInt16BE(0),u=e.slice(o+18);n({type:l.SOCKET_CONNECT_TO_DST,payload:{targetAddress:{host:s,port:c},onConnected:()=>{t(Buffer.concat([this._staging,u])),this._isHandshakeDone=!0,this._staging=null}}}),this._isAddressReceived=!0}else return e}}t.default=c},function(e,t,n){'use strict';function r(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(t,'__esModule',{value:!0});var o=n(8),a=r(o),s=n(79),i=r(s),d=n(6),l=r(d),c=n(0);class u{static _parse(e,t){if(0<this._fakes.length)return void t(this._fakes);const n=[];let r='';const o=i.default.createInterface({input:a.default.createReadStream(e)});o.on('line',function(e){switch(e[0]){case'=':case'-':''!=r&&(r+='\r\n',n.push(r),r='');break;default:r+=e,r+='\r\n';}}),o.on('close',()=>{for(let e=0;e<n.length;e+=2){const t=n[e],r=n[e+1];this._fakes.push({request:Buffer.from(t),response:Buffer.from(r)})}t(this._fakes)})}static get(e,t){this._parse(e,t)}}u._fakes=[];class p extends c.IPreset{constructor({file:e}){if(super(),this._isHandshakeDone=!1,this._file=null,this._response=null,'undefined'==typeof e)throw Error('\'file\' parameter is required.');this._file=e}clientOut({buffer:e,next:t}){return this._isHandshakeDone?e:void u.get(this._file,(n)=>{const r=l.default.randomBytes(1)[0]%n.length,o=n[r].request;t(Buffer.concat([o,e]))})}serverIn({buffer:e,next:t,fail:n}){return this._isHandshakeDone?e:void u.get(this._file,(r)=>{const o=r.find(({request:t})=>0===e.indexOf(t));'undefined'==typeof o?n('http header mismatch'):(this._response=o.response,t(e.slice(o.request.length)))})}serverOut({buffer:e}){return this._isHandshakeDone?e:(this._isHandshakeDone=!0,Buffer.concat([this._response,e]))}clientIn({buffer:e,next:t,fail:n}){return this._isHandshakeDone?e:void(u.get(this._file,(r)=>{const o=r.find(({response:t})=>0===e.indexOf(t));'undefined'==typeof o?n('http header 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Error('Cannot calculate a URI relative to another relative URI');if(n.protocol===r.protocol&&(n.protocol=null),n.username!==r.username||n.password!==r.password)return t.build();if(null!==n.protocol||null!==n.username||null!==n.password)return t.build();if(n.hostname===r.hostname&&n.port===r.port)n.hostname=null,n.port=null;else return t.build();if(s===i)return n.path='',t.build();if(o=a.commonPath(s,i),!o)return t.build();var d=r.path.substring(o.length).replace(/[^\/]*$/,'').replace(/.*?\//g,'../');return n.path=d+n.path.substring(o.length)||'./',t.build()},b.equals=function(e){var t=this.clone(),n=new a(e),r={},o={},s={},i,l,c;if(t.normalize(),n.normalize(),t.toString()===n.toString())return!0;if(i=t.query(),l=n.query(),t.query(''),n.query(''),t.toString()!==n.toString())return!1;if(i.length!==l.length)return!1;for(c in r=a.parseQuery(i,this._parts.escapeQuerySpace),o=a.parseQuery(l,this._parts.escapeQuerySpace),r)if(p.call(r,c)){if(!d(r[c])){if(r[c]!==o[c])return!1;}else 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e&&e.__esModule?e:{default:e}}Object.defineProperty(t,'__esModule',{value:!0}),t.Proxifier=void 0;var o=n(4),a=r(o),s=n(7),i=r(s),d=n(1),l=n(83),c=n(89),u=n(92),p=n(2);t.Proxifier=class{constructor(e){this._socksTcpReady=!1,this._socksUdpReady=!1,this._httpReady=!1,this.onHandshakeDone=e.onHandshakeDone}isDone(){return this._socksTcpReady||this._socksUdpReady||this._httpReady}makeHandshake(e,t){this._trySocksHandshake(e,t),this.isDone()||this._tryHttpHandshake(e,t)}_trySocksHandshake(e,t){this.isDone()||this._trySocks5Handshake(e,t),this.isDone()||this._trySocks4Handshake(e,t)}_trySocks4Handshake(e,t){const n=c.RequestMessage.parse(t);if(null!==n){const t=n.CMD,r=n.DSTIP,o=n.DSTADDR,a=n.DSTPORT;if(t===p.REQUEST_COMMAND_CONNECT){const t={type:0<o.length?p.ATYP_DOMAIN:p.ATYP_V4,host:0<o.length?o:r,port:a};this.onHandshakeDone(t,()=>{const t=new c.ReplyMessage({CMD:p.REPLY_GRANTED});e(t.toBuffer()),this._socksTcpReady=!0})}}}_trySocks5Handshake(e,t){const n=l.IdentifierMessage.parse(t);if(null!==n){const t=new l.SelectMessage;return void e(t.toBuffer())}const r=l.RequestMessage.parse(t);if(null!==r){const t=r.CMD;switch(t){case p.REQUEST_COMMAND_UDP:case p.REQUEST_COMMAND_CONNECT:{const n={type:r.ATYP,host:r.DSTADDR,port:r.DSTPORT};this.onHandshakeDone(n,()=>{const n=new l.ReplyMessage({REP:p.REPLY_SUCCEEDED});e(n.toBuffer()),t===p.REQUEST_COMMAND_CONNECT?this._socksTcpReady=!0:this._socksUdpReady=!0});break}default:{const t=new l.ReplyMessage({REP:p.REPLY_COMMAND_NOT_SUPPORTED});e(t.toBuffer());break}}}}_tryHttpHandshake(e,t){const n=u.HttpRequestMessage.parse(t);if(null!==n){const r=n.METHOD,o=n.URI,s=n.HOST,l=r.toString();let c={};if('CONNECT'===l)c=(0,d.parseURI)(o.toString());else{let e=null,t=s.toString();a.default.isIP(t)?(e=a.default.isIPv4(t)?p.ATYP_V4:p.ATYP_V6,t=i.default.toBuffer(t)):(e=p.ATYP_DOMAIN,t=s),c={type:e,host:t,port:Buffer.from([0,80])}}this.onHandshakeDone(c,(n)=>{if('CONNECT'===l){const t=new u.ConnectReplyMessage;e(t.toBuffer())}else n(t);this._httpReady=!0})}}}},function(e,t,n){'use strict';Object.defineProperty(t,'__esModule',{value:!0});var r=n(84);Object.keys(r).forEach(function(e){'default'===e||'__esModule'===e||Object.defineProperty(t,e,{enumerable:!0,get:function(){return r[e]}})});var o=n(85);Object.keys(o).forEach(function(e){'default'===e||'__esModule'===e||Object.defineProperty(t,e,{enumerable:!0,get:function(){return o[e]}})});var a=n(86);Object.keys(a).forEach(function(e){'default'===e||'__esModule'===e||Object.defineProperty(t,e,{enumerable:!0,get:function(){return a[e]}})});var s=n(87);Object.keys(s).forEach(function(e){'default'===e||'__esModule'===e||Object.defineProperty(t,e,{enumerable:!0,get:function(){return s[e]}})});var i=n(88);Object.keys(i).forEach(function(e){'default'===e||'__esModule'===e||Object.defineProperty(t,e,{enumerable:!0,get:function(){return i[e]}})})},function(e,t,n){'use 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o.Message{constructor(e){super();const t=r({VER:o.SOCKS_VERSION_V5,METHOD:o.METHOD_NO_AUTH},e);this.VER=t.VER,this.METHOD=t.METHOD}toBuffer(){return Buffer.from([this.VER,this.METHOD])}}t.SelectMessage=a},function(e,t,n){'use strict';Object.defineProperty(t,'__esModule',{value:!0}),t.RequestMessage=void 0;var r=Object.assign||function(e){for(var t=1,n;t<arguments.length;t++)for(var r in n=arguments[t],n)Object.prototype.hasOwnProperty.call(n,r)&&(e[r]=n[r]);return e},o=n(2);class a extends o.Message{constructor(e){super();const t=r({VER:o.SOCKS_VERSION_V5,CMD:o.REQUEST_COMMAND_CONNECT,RSV:o.NOOP,ATYP:o.ATYP_V4,DSTADDR:[o.NOOP],DSTPORT:[o.NOOP,o.NOOP]},e);this.VER=t.VER,this.CMD=t.CMD,this.RSV=t.RSV,this.ATYP=t.ATYP,this.DSTADDR=t.DSTADDR,this.DSTPORT=t.DSTPORT}static parse(e){if(9>e.length)return null;if(e[0]!==o.SOCKS_VERSION_V5)return null;const t=[o.REQUEST_COMMAND_CONNECT,o.REQUEST_COMMAND_BIND,o.REQUEST_COMMAND_UDP];if(!t.includes(e[1]))return null;if(e[2]!==o.NOOP)return null;const n=[o.ATYP_V4,o.ATYP_DOMAIN,o.ATYP_V6];if(!n.includes(e[3]))return null;let r=null;switch(e[3]){case o.ATYP_DOMAIN:r=e.slice(5,5+e[4]);break;case o.ATYP_V6:r=e.slice(4,20);break;default:r=e.slice(4,8);}return new a({VER:e[0],CMD:e[1],RSV:e[2],ATYP:e[3],DSTADDR:r,DSTPORT:e.slice(-2)})}}t.RequestMessage=a},function(e,t,n){'use strict';Object.defineProperty(t,'__esModule',{value:!0}),t.ReplyMessage=void 0;var r=Object.assign||function(e){for(var t=1,n;t<arguments.length;t++)for(var r in n=arguments[t],n)Object.prototype.hasOwnProperty.call(n,r)&&(e[r]=n[r]);return e},o=n(2);class a extends o.Message{constructor(e){super();const t=r({VER:o.SOCKS_VERSION_V5,REP:o.REPLY_UNASSIGNED,RSV:o.NOOP,ATYP:o.ATYP_V4,BNDADDR:[o.NOOP,o.NOOP,o.NOOP,o.NOOP],BNDPORT:[o.NOOP,o.NOOP]},e);this.VER=t.VER,this.REP=t.REP,this.RSV=t.RSV,this.ATYP=t.ATYP,this.BNDADDR=t.BNDADDR,this.BNDPORT=t.BNDPORT}toBuffer(){return Buffer.from([this.VER,this.REP,this.RSV,this.ATYP,...this.BNDADDR,...this.BNDPORT])}}t.ReplyMessage=a},function(e,t,n){'use strict';Object.defineProperty(t,'__esModule',{value:!0}),t.UdpRequestMessage=void 0;var r=Object.assign||function(e){for(var t=1,n;t<arguments.length;t++)for(var r in n=arguments[t],n)Object.prototype.hasOwnProperty.call(n,r)&&(e[r]=n[r]);return e},o=n(2);class a extends o.Message{constructor(e){super();const t=r({RSV:[o.NOOP,o.NOOP],FRAG:o.NOOP,ATYP:o.ATYP_V4,DSTADDR:[o.NOOP],DSTPORT:[o.NOOP,o.NOOP],DATA:[o.NOOP]},e);this.RSV=t.RSV,this.FRAG=t.FRAG,this.ATYP=t.ATYP,this.DSTADDR=t.DSTADDR,this.DSTPORT=t.DSTPORT,this.DATA=t.DATA}static parse(e){if(7>e.length)return null;if(e[0]!==o.NOOP||e[1]!==o.NOOP)return null;const t=[o.ATYP_V4,o.ATYP_DOMAIN,o.ATYP_V6];if(!t.includes(e[3]))return null;let n=null,r=null;switch(e[3]){case o.ATYP_DOMAIN:n=e.slice(5,5+e[4]),r=e.slice(5+e[4],7+e[4]);break;case 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t=r({VER:o.SOCKS_VERSION_V4,CMD:o.REQUEST_COMMAND_CONNECT,DSTPORT:[o.NOOP,o.NOOP],DSTIP:[o.NOOP,o.NOOP,o.NOOP,o.NOOP],USERID:[o.NOOP],DSTADDR:[o.NOOP]},e);this.VER=t.VER,this.CMD=t.CMD,this.DSTPORT=t.DSTPORT,this.DSTIP=t.DSTIP,this.USERID=t.USERID,this.DSTADDR=t.DSTADDR}static parse(e){if(9>e.length)return null;if(e[0]!==o.SOCKS_VERSION_V4)return null;const t=[o.REQUEST_COMMAND_CONNECT,o.REQUEST_COMMAND_BIND];if(!t.includes(e[1]))return null;if(e[e.length-1]!==o.NOOP)return null;const n=e.slice(4,8);let r=[],s=[];if(n[0]===o.NOOP&&n[1]===o.NOOP&&n[2]===o.NOOP&&n[3]!==o.NOOP){const t=e.slice(8),n=[];let a=[];var i=!0,d=!1,l;try{for(var c=t[Symbol.iterator](),u;!(i=(u=c.next()).done);i=!0){const e=u.value;e===o.NOOP?(n.push(a),a=[]):a.push(e)}}catch(e){d=!0,l=e}finally{try{!i&&c.return&&c.return()}finally{if(d)throw l}}if(2!==n.length||1>n[1].length)return null;r=n[0],s=Buffer.from(n[1])}return new a({VER:e[0],CMD:e[1],DSTPORT:e.slice(2,4),DSTIP:n,USERID:r,DSTADDR:s})}}t.RequestMessage=a},function(e,t,n){'use strict';Object.defineProperty(t,'__esModule',{value:!0}),t.ReplyMessage=void 0;var r=Object.assign||function(e){for(var t=1,n;t<arguments.length;t++)for(var r in n=arguments[t],n)Object.prototype.hasOwnProperty.call(n,r)&&(e[r]=n[r]);return e},o=n(2);class a extends o.Message{constructor(e){super();const t=r({VER:o.NOOP,CMD:o.REPLY_GRANTED,DSTPORT:[o.NOOP,o.NOOP],DSTIP:[o.NOOP,o.NOOP,o.NOOP,o.NOOP]},e);this.VER=t.VER,this.CMD=t.CMD,this.DSTPORT=t.DSTPORT,this.DSTIP=t.DSTIP}toBuffer(){return Buffer.from([this.VER,this.CMD,...this.DSTPORT,...this.DSTIP])}}t.ReplyMessage=a},function(e,t,n){'use strict';Object.defineProperty(t,'__esModule',{value:!0});var r=n(93);Object.keys(r).forEach(function(e){'default'===e||'__esModule'===e||Object.defineProperty(t,e,{enumerable:!0,get:function(){return r[e]}})});var 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t=o({},e);this.METHOD=t.METHOD,this.URI=t.URI,this.VERSION=t.VERSION,this.HOST=t.HOST}static parse(e){if(20>e.length)return null;const t=e.toString(),n=t.split('\r\n');if(4>n.length)return null;var o=n[0].split(' '),a=r(o,3);const i=a[0],d=a[1],l=a[2];if(['OPTIONS','GET','HEAD','POST','PUT','DELETE','TRACE','CONNECT'].includes(i)){const e=n.slice(1,-2);var c=!0,u=!1,p;try{for(var f=e[Symbol.iterator](),m;!(c=(m=f.next()).done);c=!0){const e=m.value;if(e.startsWith('Host: ')){const t=e.split(' ')[1];return new s({METHOD:Buffer.from(i),URI:Buffer.from(d),VERSION:Buffer.from(l),HOST:Buffer.from(t)})}}}catch(e){u=!0,p=e}finally{try{!c&&f.return&&f.return()}finally{if(u)throw p}}}return null}}t.HttpRequestMessage=s},function(e,t,n){'use strict';Object.defineProperty(t,'__esModule',{value:!0}),t.ConnectReplyMessage=void 0;var r=Object.assign||function(e){for(var t=1,n;t<arguments.length;t++)for(var r in n=arguments[t],n)Object.prototype.hasOwnProperty.call(n,r)&&(e[r]=n[r]);return e},o=n(2);class a extends o.Message{constructor(e={}){super();const t=r({VERSION:Buffer.from('HTTP/1.1'),STATUS:Buffer.from('200'),PHRASE:Buffer.from('Connection established')},e);this.VERSION=t.VERSION,this.STATUS=t.STATUS,this.PHRASE=t.PHRASE}toBuffer(){return Buffer.from([...this.VERSION,32,...this.STATUS,32,...this.PHRASE,13,10,13,10])}}t.ConnectReplyMessage=a},function(e,t,n){'use strict';function r(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(t,'__esModule',{value:!0}),t.Hub=void 0;var o=n(3),a=r(o),s=n(4),i=r(s),d=n(10),l=r(d),c=n(19),u=n(96),p=n(44),f=n(16);const m=function(){let e=0;return()=>{return e>Number.MAX_SAFE_INTEGER-1&&(e=0),++e}}();class g extends a.default{constructor(e){super(),this._hub=null,this._sockets=[],this._isClosed=!1,'undefined'!=typeof 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connected`),p.Profile.connections+=1}run(e){const t={host:__LOCAL_HOST__,port:__LOCAL_PORT__};this._hub.listen(t,()=>{l.default.info(`==> [hub] use configuration: ${JSON.stringify(__ALL_CONFIG__)}`),l.default.info(`==> [hub] running as: ${__IS_SERVER__?'Server':'Client'}`),l.default.info(`==> [hub] listening on: ${JSON.stringify(this._hub.address())}`),__IS_CLIENT__&&(l.default.info('==> [balancer] started'),f.Balancer.start(__SERVERS__)),__PROFILE__&&(l.default.info('==> [profile] started'),p.Profile.start()),'function'==typeof e&&e()})}terminate(){this._hub.close(),this.onClose()}}t.Hub=g},function(e,t,n){'use strict';function r(e){return e&&e.__esModule?e:{default:e}}function o(e){return function(){var t=e.apply(this,arguments);return new Promise(function(e,n){function r(o,a){try{var s=t[o](a),i=s.value}catch(e){return void n(e)}return s.done?void e(i):Promise.resolve(i).then(function(e){r('next',e)},function(e){r('throw',e)})}return 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k.DNSCache({expire:__DNS_EXPIRE__}),this._remoteAddress=t.remoteAddress,this._remotePort=t.remotePort,this._bsocket=t,this._bsocket.on('error',this.onError),this._bsocket.on('close',this.onBackwardSocketClose),this._bsocket.on('timeout',this.onBackwardSocketTimeout.bind(this,{host:this._remoteAddress,port:this._remotePort})),this._bsocket.on('data',this.onForward),this._bsocket.on('drain',this.onBackwardSocketDrain),this._bsocket.setTimeout(__TIMEOUT__),__IS_SERVER__?(this._tracks.push(`${this._remoteAddress}:${this._remotePort}`),this.createPipe()):this._proxy=new h.Proxifier({onHandshakeDone:this.onHandshakeDone.bind(this)})}get id(){return this._id}get remote(){return`${this._remoteAddress}:${this._remotePort}`}get fsocketWritable(){return null!==this._fsocket&&!this._fsocket.destroyed&&this._fsocket.writable}get bsocketWritable(){return null!==this._bsocket&&!this._bsocket.destroyed&&this._bsocket.writable}onForward(e){if(__IS_CLIENT__){if(!this._proxy.isDone())return void 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n=v.Balancer.getFastest();null!=I&&(0,m.default)(n,I)||(b.Config.initServer(n),I=n,y.default.info(`[balancer] use: ${__SERVER_HOST__}:${__SERVER_PORT__}`));var r=[e.type===P.ATYP_DOMAIN?e.host.toString():p.default.toString(e.host),e.port.readUInt16BE(0)];const o=r[0],a=r[1];return this.connect({host:__SERVER_HOST__,port:__SERVER_PORT__,dstHost:o,dstPort:a},()=>{this.createPipe(e),this._tracks.push(`${o}:${a}`),this._isHandshakeDone=!0,t(this.onForward)})}clientOut(e){if(this.fsocketWritable)try{this._pipe.feed(T.MIDDLEWARE_DIRECTION_UPWARD,e)}catch(e){y.default.error(`[socket] [${this.remote}]`,e)}}serverIn(e){if(this.fsocketWritable||!this._isHandshakeDone)try{this._pipe.feed(T.MIDDLEWARE_DIRECTION_DOWNWARD,e),this._tracks.push(D),this._tracks.push(e.length)}catch(e){y.default.error(`[socket] [${this.remote}]`,e)}}serverOut(e){if(this.bsocketWritable)try{this._pipe.feed(T.MIDDLEWARE_DIRECTION_UPWARD,e)}catch(e){y.default.error(`[socket] 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false',function(){expect(o.onNotified()).toBe(!1)})}),describe('IPreset#beforeIn,beforeOut,clientOut,serverIn,serverOut,clientIn',function(){it('should return null',function(){expect(o.beforeIn(a)).toBe(null),expect(o.beforeOut(a)).toBe(null),expect(o.clientOut(a)).toBe(null),expect(o.serverIn(a)).toBe(null),expect(o.serverOut(a)).toBe(null),expect(o.clientIn(a)).toBe(null)})})},function(e,t,n){'use strict';var r=Object.assign||function(e){for(var t=1,n;t<arguments.length;t++)for(var r in n=arguments[t],n)Object.prototype.hasOwnProperty.call(n,r)&&(e[r]=n[r]);return e},o=n(1),a=n(20),s=function(e){return e&&e.__esModule?e:{default:e}}(a);describe('SSBasePreset#clientOut',function(){global.__IS_CLIENT__=!0;const e=new s.default({type:1,host:Buffer.from('example.com'),port:(0,o.numberToBuffer)(1080)});it('should return more than 1 byte',function(){expect(e.clientOut({buffer:Buffer.alloc(1)}).length).toBeGreaterThan(1)}),it('should return only 1 byte',function(){expect(e.clientOut({buffer:Buffer.alloc(1)}).length).toBe(1)})}),describe('SSBasePreset#serverIn',function(){const e={next:jest.fn(),broadcast:jest.fn(({payload:{onConnected:t}})=>{t(),expect(e.next).toHaveBeenCalled()}),fail:jest.fn()};it('should call fail',function(){global.__IS_CLIENT__=!1;const t=new s.default;t.serverIn(r({},e,{buffer:Buffer.alloc(0)})),t.serverIn(r({},e,{buffer:Buffer.alloc(7)})),t.serverIn(r({},e,{buffer:Buffer.alloc(8)})),t.serverIn(r({},e,{buffer:Buffer.from([4,0,0,0,0,0,0,0])})),t.serverIn(r({},e,{buffer:Buffer.from([3,5,0,0,0,0,0,0])})),expect(e.fail).toHaveBeenCalledTimes(5)}),it('should call broadcast ipv4',function(){global.__IS_CLIENT__=!1;const t=new s.default;t.serverIn(r({},e,{buffer:Buffer.from([1,5,0,0,0,0,0,0])})),expect(e.broadcast).toHaveBeenCalled()}),it('should call broadcast ipv6',function(){global.__IS_CLIENT__=!1;const t=new s.default;t.serverIn(r({},e,{buffer:Buffer.from([4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0])})),expect(e.broadcast).toHaveBeenCalled()}),it('should call broadcast domain',function(){global.__IS_CLIENT__=!1;const t=new s.default;t.serverIn(r({},e,{buffer:Buffer.from([3,11,...Buffer.from('example.com'),0,0])})),expect(e.broadcast).toHaveBeenCalled(),expect(t.serverIn(r({},e,{buffer:Buffer.alloc(1)})).length).toBe(1)}),it('should call fail if domain is invalid',function(){global.__IS_CLIENT__=!1;const t=new s.default;t.serverIn(r({},e,{buffer:Buffer.from([3,12,...Buffer.from('=example.com'),0,0])})),expect(e.fail).toHaveBeenCalled()})})},function(e,t,n){'use strict';var r=n(21),o=function(e){return e&&e.__esModule?e:{default:e}}(r);global.__KEY__='abc',describe('SSStreamCipherPreset#constructor',function(){it('should throw when method is invalid',function(){expect(()=>new o.default({method:null})).toThrow(),expect(()=>new o.default({method:''})).toThrow(),expect(()=>new o.default({method:'xxx'})).toThrow()}),it('should set this._key',function(){const e=new o.default({method:'aes-128-cfb'});expect(e._key).not.toBe(null)})}),describe('SSStreamCipherPreset#beforeOut',function(){const e=new o.default({method:'aes-128-cfb'});it('should return 16 bytes',function(){expect(e.beforeOut({buffer:Buffer.alloc(0)}).length).toBe(16)}),it('should return 1 byte',function(){expect(e.beforeOut({buffer:Buffer.alloc(1)}).length).toBe(1)})}),describe('SSStreamCipherPreset#beforeIn',function(){const e=new o.default({method:'aes-128-cfb'});it('should return empty',function(){expect(e.beforeIn({buffer:Buffer.alloc(16)}).length).toBe(0)}),it('should return 1 byte',function(){expect(e.beforeIn({buffer:Buffer.alloc(1)}).length).toBe(1)})})},function(e,t,n){'use strict';Object.defineProperty(t,'__esModule',{value:!0});var r=function(){function e(e,t){var n=[],r=!0,o=!1,a;try{for(var s=e[Symbol.iterator](),i;!(r=(i=s.next()).done)&&(n.push(i.value),!(t&&n.length===t));r=!0);}catch(e){o=!0,a=e}finally{try{!r&&s['return']&&s['return']()}finally{if(o)throw a}}return n}return function(t,n){if(Array.isArray(t))return t;if(Symbol.iterator in Object(t))return e(t,n);throw new TypeError('Invalid attempt to destructure non-iterable instance')}}(),o=n(6),a=function(e){return e&&e.__esModule?e:{default:e}}(o),s=n(1),i=n(0);const d=12,l=16,c=2,u=['aes-128-gcm','aes-192-gcm','aes-256-gcm'],p='sha1';class f extends i.IPreset{constructor({method:e,info:t,factor:n}){if(super(),this._cipherName='',this._info=null,this._factor=c,this._rawKey=null,this._cipherKey=null,this._decipherKey=null,this._cipherNonce=0,this._decipherNonce=0,this._nextExpectDecipherNonce=0,this._adBuf=null,'undefined'==typeof e||''===e)throw Error('\'method\' must be set.');if(!u.includes(e))throw Error(`method '${e}' is not supported.`);if('string'!=typeof t||0>=t.length)throw Error('\'info\' must be a non-empty string.');if('undefined'==typeof n)n=c;else{if(!Number.isInteger(n))throw Error('\'factor\' must be an integer.');if(1>n||10<n)throw Error('\'factor\' must be in [1, 10].')}this._cipherName=e,this._info=Buffer.from(t),this._factor=n,this._rawKey=global.__KEY__?Buffer.from(__KEY__):null,this._adBuf=new s.AdvancedBuffer({getPacketLength:this.onReceiving.bind(this)}),this._adBuf.on('data',this.onChunkReceived.bind(this))}beforeOut({buffer:e}){let t=null;if(null===this._cipherKey){const e=this._cipherName.split('-')[1]/8;t=a.default.randomBytes(e),this._cipherKey=(0,s.HKDF)(p,t,this._rawKey,this._info,e)}const n=(0,s.getRandomChunks)(e,2048,16383).map((e)=>{const t=this.getPaddingLength(this._cipherKey,this._cipherNonce),n=a.default.randomBytes(t),o=(0,s.numberToBuffer)(e.length);var i=this.encrypt(o),d=r(i,2);const l=d[0],c=d[1];var u=this.encrypt(e),p=r(u,2);const f=p[0],m=p[1];return Buffer.concat([n,l,c,f,m])});return t?Buffer.concat([t,...n]):Buffer.concat(n)}beforeIn({buffer:e,next:t,fail:n}){this._adBuf.put(e,{next:t,fail:n})}onReceiving(e,{fail:t}){if(null===this._decipherKey){const t=this._cipherName.split('-')[1]/8;if(e.length<t)return;const n=e.slice(0,t);return this._decipherKey=(0,s.HKDF)(p,n,this._rawKey,this._info,t),e.slice(t)}if(this._decipherNonce===this._nextExpectDecipherNonce){const t=this.getPaddingLength(this._decipherKey,this._decipherNonce);return e.length<t?void 0:(this._nextExpectDecipherNonce+=2,e.slice(t))}if(!(e.length<2*l+3)){var n=[e.slice(0,2),e.slice(2,2+l)];const r=n[0],o=n[1],a=this.decrypt(r,o);return null===a?(t(`unexpected DataLen_TAG=${o.toString('hex')} when verify DataLen=${r.toString('hex')}`),-1):2+l+a.readUInt16BE(0)+l}}onChunkReceived(e,{next:t,fail:n}){var r=[e.slice(2+l,-l),e.slice(-l)];const o=r[0],a=r[1],s=this.decrypt(o,a);return null===s?void n(`unexpected Data_TAG=${a.toString('hex')} when verify Data=${o.slice(0,60).toString('hex')}`):void t(s)}getPaddingLength(e,t){const n=(0,s.numberToBuffer)(t,d,s.BYTE_ORDER_LE),r=a.default.createCipheriv(this._cipherName,e,n);return r.update(n),r.final(),r.getAuthTag()[0]*this._factor}encrypt(e){const t=a.default.createCipheriv(this._cipherName,this._cipherKey,(0,s.numberToBuffer)(this._cipherNonce,d,s.BYTE_ORDER_LE)),n=Buffer.concat([t.update(e),t.final()]),r=t.getAuthTag();return this._cipherNonce+=1,[n,r]}decrypt(e,t){const n=a.default.createDecipheriv(this._cipherName,this._decipherKey,(0,s.numberToBuffer)(this._decipherNonce,d,s.BYTE_ORDER_LE));n.setAuthTag(t);try{const t=Buffer.concat([n.update(e),n.final()]);return this._decipherNonce+=1,t}catch(e){return null}}}t.default=f},function(e,t,n){'use strict';function r(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(t,'__esModule',{value:!0});var o=n(6),a=r(o),s=n(7),i=r(s),d=n(1),l=n(0);const c=16,u=16,p=['aes-128-ctr','aes-192-ctr','aes-256-ctr','aes-128-cfb','aes-192-cfb','aes-256-cfb','camellia-128-cfb','camellia-192-cfb','camellia-256-cfb'];class f extends l.IPreset{constructor({type:e,host:t,port:n,method:r}){if(super(),this._isHandshakeDone=!1,this._host=null,this._port=null,this._cipherName='',this._cipher=null,this._decipher=null,'string'!=typeof r||''===r)throw Error('\'method\' must be set');if(!p.includes(r))throw Error(`method '${r}' is not supported.`);__IS_CLIENT__&&(this._host=t,this._port=n,(e===1||e===4)&&(this._host=Buffer.from(i.default.toString(t)))),this._cipherName=r}clientOut({buffer:e}){if(!this._isHandshakeDone){this._isHandshakeDone=!0;const t=a.default.randomBytes(c),n=(0,d.EVP_BytesToKey)(__KEY__,this._cipherName.split('-')[1]/8,c),r=(0,d.Xor)(t,n.slice(0,c));this._cipher=a.default.createCipheriv(this._cipherName,n,t),this._decipher=a.default.createDecipheriv(this._cipherName,n,t);const o=this.encrypt(Buffer.concat([(0,d.numberToBuffer)(this._host.length,1),this._host,this._port,e])),s=(0,d.hmac)('sha1',r,o.slice(0,-e.length)).slice(0,u);return Buffer.concat([t,s,o])}return this.encrypt(e)}serverIn({buffer:e,next:t,broadcast:n,fail:r}){if(!this._isHandshakeDone){if(37>e.length)return r(`unexpected buffer length_1: ${e.length}, buffer=${e.toString('hex')}`);const o=e.slice(0,c),s=(0,d.EVP_BytesToKey)(__KEY__,this._cipherName.split('-')[1]/8,c);this._cipher=a.default.createCipheriv(this._cipherName,s,o),this._decipher=a.default.createDecipheriv(this._cipherName,s,o);const i=this.decrypt(e.slice(32)),p=e.slice(16,32),f=i[0];if(e.length<=35+f)return r(`unexpected buffer length_2: ${e.length}, buffer=${e.toString('hex')}`);const m=(0,d.Xor)(o,s.slice(0,c)),g=(0,d.hmac)('sha1',m,e.slice(32,35+f)).slice(0,u);if(!g.equals(p))return r(`unexpected HMAC-SHA1=${p.toString('hex')} want=${g.toString('hex')}`);const h=i.slice(1,f+1).toString(),_=i.slice(f+1,f+3).readUInt16BE(0),y=i.slice(f+3);n({type:l.SOCKET_CONNECT_TO_DST,payload:{targetAddress:{host:h,port:_},onConnected:()=>{t(y),this._isHandshakeDone=!0}}})}else return this.decrypt(e)}serverOut({buffer:e}){return this.encrypt(e)}clientIn({buffer:e}){return this.decrypt(e)}encrypt(e){return this._cipher.update(e)}decrypt(e){return this._decipher.update(e)}}t.default=f},function(e,t,n){'use strict';function r(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(t,'__esModule',{value:!0});var o=n(4),a=r(o),s=n(7),i=r(s),d=n(1),l=n(0);class c extends l.IPreset{constructor({type:e,host:t,port:n,salt:r}){if(super(),this._isHandshakeDone=!1,this._isAddressReceived=!1,this._host=null,this._port=null,this._padding=null,this._staging=Buffer.alloc(0),'string'!=typeof r||''===r)throw Error('\'salt\' must be set to a non-empty string');__IS_CLIENT__&&(this._host=t,this._port=n,(e===1||e===4)&&(this._host=Buffer.from(i.default.toString(t)))),this._padding=(0,d.hash)('sha256',r).slice(0,15)}clientOut({buffer:e}){return this._isHandshakeDone?e:(this._isHandshakeDone=!0,Buffer.concat([(0,d.numberToBuffer)(this._host.length,1),this._padding,this._host,this._port,e]))}serverIn({buffer:e,next:t,broadcast:n,fail:r}){if(!this._isHandshakeDone){if(this._isAddressReceived)return void(this._staging=Buffer.concat([this._staging,e]));if(20>e.length)return r(`unexpected buffer length: ${e.length}, buffer=${e.toString('hex')}`);if(!e.slice(1,16).equals(this._padding))return r(`unexpected padding=${this._padding.toString('hex')}`);const o=e[0];if(e.length<=o+18)return r(`unexpected buffer length: ${e.length}, buffer=${e.toString('hex')}`);let s=e.slice(16,16+o);if((0,d.isValidHostname)(s))s=s.toString();else if(a.default.isIP(s))s=i.default.toString(s);else return r(`invalid addr: (${s.toString()})`);const c=e.slice(o+16,o+18).readUInt16BE(0),u=e.slice(o+18);n({type:l.SOCKET_CONNECT_TO_DST,payload:{targetAddress:{host:s,port:c},onConnected:()=>{t(Buffer.concat([this._staging,u])),this._isHandshakeDone=!0,this._staging=null}}}),this._isAddressReceived=!0}else return e}}t.default=c},function(e,t,n){'use strict';function r(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(t,'__esModule',{value:!0});var o=n(8),a=r(o),s=n(79),i=r(s),d=n(6),l=r(d),c=n(0);class u{static _parse(e,t){if(0<this._fakes.length)return void t(this._fakes);const n=[];let r='';const o=i.default.createInterface({input:a.default.createReadStream(e)});o.on('line',function(e){switch(e[0]){case'=':case'-':''!=r&&(r+='\r\n',n.push(r),r='');break;default:r+=e,r+='\r\n';}}),o.on('close',()=>{for(let e=0;e<n.length;e+=2){const t=n[e],r=n[e+1];this._fakes.push({request:Buffer.from(t),response:Buffer.from(r)})}t(this._fakes)})}static get(e,t){this._parse(e,t)}}u._fakes=[];class p extends c.IPreset{constructor({file:e}){if(super(),this._isHandshakeDone=!1,this._file=null,this._response=null,'undefined'==typeof e)throw Error('\'file\' parameter is required.');this._file=e}clientOut({buffer:e,next:t}){return this._isHandshakeDone?e:void u.get(this._file,(n)=>{const r=l.default.randomBytes(1)[0]%n.length,o=n[r].request;t(Buffer.concat([o,e]))})}serverIn({buffer:e,next:t,fail:n}){return this._isHandshakeDone?e:void u.get(this._file,(r)=>{const o=r.find(({request:t})=>0===e.indexOf(t));'undefined'==typeof o?n('http header mismatch'):(this._response=o.response,t(e.slice(o.request.length)))})}serverOut({buffer:e}){return this._isHandshakeDone?e:(this._isHandshakeDone=!0,Buffer.concat([this._response,e]))}clientIn({buffer:e,next:t,fail:n}){return this._isHandshakeDone?e:void(u.get(this._file,(r)=>{const o=r.find(({response:t})=>0===e.indexOf(t));'undefined'==typeof o?n('http header mismatch'):t(e.slice(o.response.length))}),this._isHandshakeDone=!0)}}t.default=p},function(e,t,n){'use strict';function r(e){const t=(0,s.numberToBuffer)(e.length);return Buffer.concat([(0,s.hexStringToBuffer)('170303'),t,e])}Object.defineProperty(t,'__esModule',{value:!0});var o=n(6),a=function(e){return e&&e.__esModule?e:{default:e}}(o),s=n(1),i=n(0);const d=1,l=2,c=3,u=2048,p=16383;class f extends i.IPreset{constructor({sni:e}){if(super(),this._sni=[],this._stage=d,this._pending=null,this._adBuf=null,'undefined'==typeof e)throw Error('\'sni\' must be set');if(Array.isArray(e)||(e=[e]),e.some((e)=>'string'!=typeof e||1>e.length))throw Error('\'sni\' must be a non-empty string or an array without empty strings');this.onReceiving=this.onReceiving.bind(this),this.onChunkReceived=this.onChunkReceived.bind(this),this._sni=Array.isArray(e)?e:[e],this._adBuf=new s.AdvancedBuffer({getPacketLength:this.onReceiving}),this._adBuf.on('data',this.onChunkReceived)}getRandomSNI(){const e=a.default.randomBytes(1)[0]%this._sni.length;return Buffer.from(this._sni[e])}clientOut({buffer:e,direct:t}){if(this._stage===d){this._stage=l,this._pending=e;const n=this.getRandomSNI(),r=[...(0,s.getUTC)(),...a.default.randomBytes(28)],o=[...(0,s.hexStringToBuffer)('20'),...a.default.randomBytes(32)],i=[...(0,s.hexStringToBuffer)('001a'),...(0,s.hexStringToBuffer)('c02b'),...(0,s.hexStringToBuffer)('c02f'),...(0,s.hexStringToBuffer)('c02c'),...(0,s.hexStringToBuffer)('c030'),...(0,s.hexStringToBuffer)('cc14'),...(0,s.hexStringToBuffer)('cc13'),...(0,s.hexStringToBuffer)('c013'),...(0,s.hexStringToBuffer)('c014'),...(0,s.hexStringToBuffer)('009c'),...(0,s.hexStringToBuffer)('009d'),...(0,s.hexStringToBuffer)('002f'),...(0,s.hexStringToBuffer)('0035'),...(0,s.hexStringToBuffer)('000a')],d=[...(0,s.hexStringToBuffer)('0000'),...(0,s.numberToBuffer)(5+n.length),...(0,s.numberToBuffer)(3+n.length),...(0,s.hexStringToBuffer)('00'),...(0,s.numberToBuffer)(n.length),...n],c=(0,s.getRandomInt)(200,400),u=[...(0,s.hexStringToBuffer)('0023'),...(0,s.numberToBuffer)(c),...a.default.randomBytes(c)],p=[...(0,s.hexStringToBuffer)('ff01000100'),...d,...(0,s.hexStringToBuffer)('00170000'),...u,...(0,s.hexStringToBuffer)('000d00140012040308040401050308050501080606010201'),...(0,s.hexStringToBuffer)('000500050100000000'),...(0,s.hexStringToBuffer)('00120000'),...(0,s.hexStringToBuffer)('75500000'),...(0,s.hexStringToBuffer)('000b00020100'),...(0,s.hexStringToBuffer)('000a0006000400170018')],f=[...(0,s.hexStringToBuffer)('0303'),...r,...o,...i,...(0,s.hexStringToBuffer)('01'),...(0,s.hexStringToBuffer)('00'),...(0,s.numberToBuffer)(p.length),...p],m=[...(0,s.hexStringToBuffer)('16'),...(0,s.hexStringToBuffer)('0301'),...(0,s.numberToBuffer)(4+f.length),...(0,s.hexStringToBuffer)('01'),...(0,s.numberToBuffer)(f.length,3)];return t(Buffer.from([...m,...f]))}if(this._stage===c){const t=(0,s.getRandomChunks)(e,u,p).map((e)=>r(e));return Buffer.concat(t)}}serverIn({buffer:e,next:t,direct:n,fail:r}){if(this._stage===d){if(this._stage=l,200>e.length)return void r(`TLS handshake header is too short, length=${e.length} dump=${e.slice(0,100).toString('hex')}`);if(!e.slice(0,3).equals((0,s.hexStringToBuffer)('160301')))return void r(`invalid TLS handshake header=${e.slice(0,3).toString('hex')}, want=160301, dump=${e.slice(0,100).toString('hex')}`);const t=e.slice(3,5).readUInt16BE(0);if(t!==e.length-5)return void r(`unexpected TLS handshake body length=${e.length-5}, want=${t}, dump=${e.slice(0,100).toString('hex')}`);const o=[...(0,s.getUTC)(),...a.default.randomBytes(28)],i=[...(0,s.hexStringToBuffer)('20'),...a.default.randomBytes(32)],d=[...(0,s.hexStringToBuffer)('ff01000100'),...(0,s.hexStringToBuffer)('00050000'),...(0,s.hexStringToBuffer)('00170000')],c=[...(0,s.hexStringToBuffer)('0303'),...o,...i,...(0,s.hexStringToBuffer)('c02f'),...(0,s.hexStringToBuffer)('00'),...(0,s.numberToBuffer)(d.length),...d],u=[...(0,s.hexStringToBuffer)('16'),...(0,s.hexStringToBuffer)('0303'),...(0,s.numberToBuffer)(4+c.length),...(0,s.hexStringToBuffer)('02'),...(0,s.numberToBuffer)(c.length,3)],p=[...u,...c],f=a.default.randomBytes((0,s.getRandomInt)(200,255)),m=[...(0,s.hexStringToBuffer)('000004b0'),...(0,s.numberToBuffer)(f.length),...f],g=[...(0,s.hexStringToBuffer)('04'),...(0,s.numberToBuffer)(m.length,3),...m],h=[...(0,s.hexStringToBuffer)('160303'),...(0,s.numberToBuffer)(g.length),...g],_=[...(0,s.hexStringToBuffer)('140303000101')],y=(0,s.getRandomInt)(32,40),b=[...(0,s.hexStringToBuffer)('16'),...(0,s.hexStringToBuffer)('0303'),...(0,s.numberToBuffer)(y),...a.default.randomBytes(y)];return 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this._parts.hostname&&(this.is('IDN')&&e?this._parts.hostname=e.toASCII(this._parts.hostname):this.is('IPv6')&&t&&(this._parts.hostname=t.best(this._parts.hostname)),this._parts.hostname=this._parts.hostname.toLowerCase(),this.build(!n)),this},b.normalizePort=function(e){return'string'==typeof this._parts.protocol&&this._parts.port===a.defaultPorts[this._parts.protocol]&&(this._parts.port=null,this.build(!e)),this},b.normalizePath=function(e){var t=this._parts.path;if(!t)return this;if(this._parts.urn)return this._parts.path=a.recodeUrnPath(this._parts.path),this.build(!e),this;if('/'===this._parts.path)return this;t=a.recodePath(t);var 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t=a.encode,e=a.decode;a.encode=escape,a.decode=decodeURIComponent;try{this.normalize()}finally{a.encode=t,a.decode=e}return this},b.unicode=function(){var t=a.encode,e=a.decode;a.encode=g,a.decode=unescape;try{this.normalize()}finally{a.encode=t,a.decode=e}return this},b.readable=function(){var n=this.clone();n.username('').password('').normalize();var r='';if(n._parts.protocol&&(r+=n._parts.protocol+'://'),n._parts.hostname&&(n.is('punycode')&&e?(r+=e.toUnicode(n._parts.hostname),n._parts.port&&(r+=':'+n._parts.port)):r+=n.host()),n._parts.hostname&&n._parts.path&&'/'!==n._parts.path.charAt(0)&&(r+='/'),r+=n.path(!0),n._parts.query){for(var t='',o=0,s=n._parts.query.split('&'),i=s.length,d;o<i;o++)d=(s[o]||'').split('='),t+='&'+a.decodeQuery(d[0],this._parts.escapeQuerySpace).replace(/&/g,'%26'),void 0!==d[1]&&(t+='='+a.decodeQuery(d[1],this._parts.escapeQuerySpace).replace(/&/g,'%26'));r+='?'+t.substring(1)}return r+=a.decodeQuery(n.hash(),!0),r},b.absoluteTo=function(e){var t=this.clone(),n=['protocol','username','password','hostname','port'],r,o,s;if(this._parts.urn)throw new Error('URNs do not have any generally defined hierarchical components');if(e instanceof a||(e=new a(e)),t._parts.protocol)return t;if(t._parts.protocol=e._parts.protocol,this._parts.hostname)return t;for(o=0;s=n[o];o++)t._parts[s]=e._parts[s];return t._parts.path?('..'===t._parts.path.substring(-2)&&(t._parts.path+='/'),'/'!==t.path().charAt(0)&&(r=e.directory(),r=r?r:0===e.path().indexOf('/')?'/':'',t._parts.path=(r?r+'/':'')+t._parts.path,t.normalizePath())):(t._parts.path=e._parts.path,!t._parts.query&&(t._parts.query=e._parts.query)),t.build(),t},b.relativeTo=function(e){var t=this.clone().normalize(),n,r,o,s,i;if(t._parts.urn)throw new Error('URNs do not have any generally defined hierarchical components');if(e=new a(e).normalize(),n=t._parts,r=e._parts,s=t.path(),i=e.path(),'/'!==s.charAt(0))throw new Error('URI is already relative');if('/'!==i.charAt(0))throw new Error('Cannot calculate a URI relative to another relative URI');if(n.protocol===r.protocol&&(n.protocol=null),n.username!==r.username||n.password!==r.password)return t.build();if(null!==n.protocol||null!==n.username||null!==n.password)return t.build();if(n.hostname===r.hostname&&n.port===r.port)n.hostname=null,n.port=null;else return t.build();if(s===i)return n.path='',t.build();if(o=a.commonPath(s,i),!o)return t.build();var d=r.path.substring(o.length).replace(/[^\/]*$/,'').replace(/.*?\//g,'../');return n.path=d+n.path.substring(o.length)||'./',t.build()},b.equals=function(e){var t=this.clone(),n=new a(e),r={},o={},s={},i,l,c;if(t.normalize(),n.normalize(),t.toString()===n.toString())return!0;if(i=t.query(),l=n.query(),t.query(''),n.query(''),t.toString()!==n.toString())return!1;if(i.length!==l.length)return!1;for(c in r=a.parseQuery(i,this._parts.escapeQuerySpace),o=a.parseQuery(l,this._parts.escapeQuerySpace),r)if(p.call(r,c)){if(!d(r[c])){if(r[c]!==o[c])return!1;}else 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e&&e.__esModule?e:{default:e}}Object.defineProperty(t,'__esModule',{value:!0}),t.Proxifier=void 0;var o=n(4),a=r(o),s=n(7),i=r(s),d=n(1),l=n(83),c=n(89),u=n(92),p=n(2);t.Proxifier=class{constructor(e){this._socksTcpReady=!1,this._socksUdpReady=!1,this._httpReady=!1,this.onHandshakeDone=e.onHandshakeDone}isDone(){return this._socksTcpReady||this._socksUdpReady||this._httpReady}makeHandshake(e,t){this._trySocksHandshake(e,t),this.isDone()||this._tryHttpHandshake(e,t)}_trySocksHandshake(e,t){this.isDone()||this._trySocks5Handshake(e,t),this.isDone()||this._trySocks4Handshake(e,t)}_trySocks4Handshake(e,t){const n=c.RequestMessage.parse(t);if(null!==n){const t=n.CMD,r=n.DSTIP,o=n.DSTADDR,a=n.DSTPORT;if(t===p.REQUEST_COMMAND_CONNECT){const t={type:0<o.length?p.ATYP_DOMAIN:p.ATYP_V4,host:0<o.length?o:r,port:a};this.onHandshakeDone(t,()=>{const t=new c.ReplyMessage({CMD:p.REPLY_GRANTED});e(t.toBuffer()),this._socksTcpReady=!0})}}}_trySocks5Handshake(e,t){const n=l.IdentifierMessage.parse(t);if(null!==n){const t=new l.SelectMessage;return void e(t.toBuffer())}const r=l.RequestMessage.parse(t);if(null!==r){const t=r.CMD;switch(t){case p.REQUEST_COMMAND_UDP:case p.REQUEST_COMMAND_CONNECT:{const n={type:r.ATYP,host:r.DSTADDR,port:r.DSTPORT};this.onHandshakeDone(n,()=>{const n=new l.ReplyMessage({REP:p.REPLY_SUCCEEDED});e(n.toBuffer()),t===p.REQUEST_COMMAND_CONNECT?this._socksTcpReady=!0:this._socksUdpReady=!0});break}default:{const t=new l.ReplyMessage({REP:p.REPLY_COMMAND_NOT_SUPPORTED});e(t.toBuffer());break}}}}_tryHttpHandshake(e,t){const n=u.HttpRequestMessage.parse(t);if(null!==n){const r=n.METHOD,o=n.URI,s=n.HOST,l=r.toString();let c={};if('CONNECT'===l)c=(0,d.parseURI)(o.toString());else{let e=null,t=s.toString();a.default.isIP(t)?(e=a.default.isIPv4(t)?p.ATYP_V4:p.ATYP_V6,t=i.default.toBuffer(t)):(e=p.ATYP_DOMAIN,t=s),c={type:e,host:t,port:Buffer.from([0,80])}}this.onHandshakeDone(c,(n)=>{if('CONNECT'===l){const t=new u.ConnectReplyMessage;e(t.toBuffer())}else n(t);this._httpReady=!0})}}}},function(e,t,n){'use strict';Object.defineProperty(t,'__esModule',{value:!0});var r=n(84);Object.keys(r).forEach(function(e){'default'===e||'__esModule'===e||Object.defineProperty(t,e,{enumerable:!0,get:function(){return r[e]}})});var o=n(85);Object.keys(o).forEach(function(e){'default'===e||'__esModule'===e||Object.defineProperty(t,e,{enumerable:!0,get:function(){return o[e]}})});var a=n(86);Object.keys(a).forEach(function(e){'default'===e||'__esModule'===e||Object.defineProperty(t,e,{enumerable:!0,get:function(){return a[e]}})});var s=n(87);Object.keys(s).forEach(function(e){'default'===e||'__esModule'===e||Object.defineProperty(t,e,{enumerable:!0,get:function(){return s[e]}})});var i=n(88);Object.keys(i).forEach(function(e){'default'===e||'__esModule'===e||Object.defineProperty(t,e,{enumerable:!0,get:function(){return i[e]}})})},function(e,t,n){'use 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o.Message{constructor(e){super();const t=r({VER:o.SOCKS_VERSION_V5,METHOD:o.METHOD_NO_AUTH},e);this.VER=t.VER,this.METHOD=t.METHOD}toBuffer(){return Buffer.from([this.VER,this.METHOD])}}t.SelectMessage=a},function(e,t,n){'use strict';Object.defineProperty(t,'__esModule',{value:!0}),t.RequestMessage=void 0;var r=Object.assign||function(e){for(var t=1,n;t<arguments.length;t++)for(var r in n=arguments[t],n)Object.prototype.hasOwnProperty.call(n,r)&&(e[r]=n[r]);return e},o=n(2);class a extends o.Message{constructor(e){super();const t=r({VER:o.SOCKS_VERSION_V5,CMD:o.REQUEST_COMMAND_CONNECT,RSV:o.NOOP,ATYP:o.ATYP_V4,DSTADDR:[o.NOOP],DSTPORT:[o.NOOP,o.NOOP]},e);this.VER=t.VER,this.CMD=t.CMD,this.RSV=t.RSV,this.ATYP=t.ATYP,this.DSTADDR=t.DSTADDR,this.DSTPORT=t.DSTPORT}static parse(e){if(9>e.length)return null;if(e[0]!==o.SOCKS_VERSION_V5)return null;const t=[o.REQUEST_COMMAND_CONNECT,o.REQUEST_COMMAND_BIND,o.REQUEST_COMMAND_UDP];if(!t.includes(e[1]))return null;if(e[2]!==o.NOOP)return null;const n=[o.ATYP_V4,o.ATYP_DOMAIN,o.ATYP_V6];if(!n.includes(e[3]))return null;let r=null;switch(e[3]){case o.ATYP_DOMAIN:r=e.slice(5,5+e[4]);break;case o.ATYP_V6:r=e.slice(4,20);break;default:r=e.slice(4,8);}return new a({VER:e[0],CMD:e[1],RSV:e[2],ATYP:e[3],DSTADDR:r,DSTPORT:e.slice(-2)})}}t.RequestMessage=a},function(e,t,n){'use strict';Object.defineProperty(t,'__esModule',{value:!0}),t.ReplyMessage=void 0;var r=Object.assign||function(e){for(var t=1,n;t<arguments.length;t++)for(var r in n=arguments[t],n)Object.prototype.hasOwnProperty.call(n,r)&&(e[r]=n[r]);return e},o=n(2);class a extends o.Message{constructor(e){super();const t=r({VER:o.SOCKS_VERSION_V5,REP:o.REPLY_UNASSIGNED,RSV:o.NOOP,ATYP:o.ATYP_V4,BNDADDR:[o.NOOP,o.NOOP,o.NOOP,o.NOOP],BNDPORT:[o.NOOP,o.NOOP]},e);this.VER=t.VER,this.REP=t.REP,this.RSV=t.RSV,this.ATYP=t.ATYP,this.BNDADDR=t.BNDADDR,this.BNDPORT=t.BNDPORT}toBuffer(){return Buffer.from([this.VER,this.REP,this.RSV,this.ATYP,...this.BNDADDR,...this.BNDPORT])}}t.ReplyMessage=a},function(e,t,n){'use strict';Object.defineProperty(t,'__esModule',{value:!0}),t.UdpRequestMessage=void 0;var r=Object.assign||function(e){for(var t=1,n;t<arguments.length;t++)for(var r in n=arguments[t],n)Object.prototype.hasOwnProperty.call(n,r)&&(e[r]=n[r]);return e},o=n(2);class a extends o.Message{constructor(e){super();const t=r({RSV:[o.NOOP,o.NOOP],FRAG:o.NOOP,ATYP:o.ATYP_V4,DSTADDR:[o.NOOP],DSTPORT:[o.NOOP,o.NOOP],DATA:[o.NOOP]},e);this.RSV=t.RSV,this.FRAG=t.FRAG,this.ATYP=t.ATYP,this.DSTADDR=t.DSTADDR,this.DSTPORT=t.DSTPORT,this.DATA=t.DATA}static parse(e){if(7>e.length)return null;if(e[0]!==o.NOOP||e[1]!==o.NOOP)return null;const t=[o.ATYP_V4,o.ATYP_DOMAIN,o.ATYP_V6];if(!t.includes(e[3]))return null;let n=null,r=null;switch(e[3]){case o.ATYP_DOMAIN:n=e.slice(5,5+e[4]),r=e.slice(5+e[4],7+e[4]);break;case o.ATYP_V6:n=e.slice(4,20),r=e.slice(20,22);break;default:n=e.slice(4,8),r=e.slice(8,10);}return new a({RSV:[o.NOOP,o.NOOP],FRAG:e[2],ATYP:e[3],DSTADDR:n,DSTPORT:r,DATA:e.slice(6+n.length)})}}t.UdpRequestMessage=a},function(e,t,n){'use strict';Object.defineProperty(t,'__esModule',{value:!0});var r=n(90);Object.keys(r).forEach(function(e){'default'===e||'__esModule'===e||Object.defineProperty(t,e,{enumerable:!0,get:function(){return r[e]}})});var o=n(91);Object.keys(o).forEach(function(e){'default'===e||'__esModule'===e||Object.defineProperty(t,e,{enumerable:!0,get:function(){return o[e]}})})},function(e,t,n){'use strict';Object.defineProperty(t,'__esModule',{value:!0}),t.RequestMessage=void 0;var r=Object.assign||function(e){for(var t=1,n;t<arguments.length;t++)for(var r in n=arguments[t],n)Object.prototype.hasOwnProperty.call(n,r)&&(e[r]=n[r]);return e},o=n(2);class a extends o.Message{constructor(e){super();const t=r({VER:o.SOCKS_VERSION_V4,CMD:o.REQUEST_COMMAND_CONNECT,DSTPORT:[o.NOOP,o.NOOP],DSTIP:[o.NOOP,o.NOOP,o.NOOP,o.NOOP],USERID:[o.NOOP],DSTADDR:[o.NOOP]},e);this.VER=t.VER,this.CMD=t.CMD,this.DSTPORT=t.DSTPORT,this.DSTIP=t.DSTIP,this.USERID=t.USERID,this.DSTADDR=t.DSTADDR}static parse(e){if(9>e.length)return null;if(e[0]!==o.SOCKS_VERSION_V4)return null;const t=[o.REQUEST_COMMAND_CONNECT,o.REQUEST_COMMAND_BIND];if(!t.includes(e[1]))return null;if(e[e.length-1]!==o.NOOP)return null;const n=e.slice(4,8);let r=[],s=[];if(n[0]===o.NOOP&&n[1]===o.NOOP&&n[2]===o.NOOP&&n[3]!==o.NOOP){const t=e.slice(8),n=[];let a=[];var i=!0,d=!1,l;try{for(var c=t[Symbol.iterator](),u;!(i=(u=c.next()).done);i=!0){const e=u.value;e===o.NOOP?(n.push(a),a=[]):a.push(e)}}catch(e){d=!0,l=e}finally{try{!i&&c.return&&c.return()}finally{if(d)throw l}}if(2!==n.length||1>n[1].length)return null;r=n[0],s=Buffer.from(n[1])}return new a({VER:e[0],CMD:e[1],DSTPORT:e.slice(2,4),DSTIP:n,USERID:r,DSTADDR:s})}}t.RequestMessage=a},function(e,t,n){'use strict';Object.defineProperty(t,'__esModule',{value:!0}),t.ReplyMessage=void 0;var r=Object.assign||function(e){for(var t=1,n;t<arguments.length;t++)for(var r in n=arguments[t],n)Object.prototype.hasOwnProperty.call(n,r)&&(e[r]=n[r]);return e},o=n(2);class a extends o.Message{constructor(e){super();const t=r({VER:o.NOOP,CMD:o.REPLY_GRANTED,DSTPORT:[o.NOOP,o.NOOP],DSTIP:[o.NOOP,o.NOOP,o.NOOP,o.NOOP]},e);this.VER=t.VER,this.CMD=t.CMD,this.DSTPORT=t.DSTPORT,this.DSTIP=t.DSTIP}toBuffer(){return Buffer.from([this.VER,this.CMD,...this.DSTPORT,...this.DSTIP])}}t.ReplyMessage=a},function(e,t,n){'use strict';Object.defineProperty(t,'__esModule',{value:!0});var r=n(93);Object.keys(r).forEach(function(e){'default'===e||'__esModule'===e||Object.defineProperty(t,e,{enumerable:!0,get:function(){return r[e]}})});var 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\ No newline at end of file
diff --git a/build/index.js b/build/index.js
index b16090f..d9ef254 100755
--- a/build/index.js
+++ b/build/index.js
@@ -1 +1 @@
-'use strict';var _fs=require('fs');var _fs2=_interopRequireDefault(_fs);var _path=require('path');var _path2=_interopRequireDefault(_path);var _core=require('./core');var __modules__=_interopRequireWildcard(_core);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key]}}newObj.default=obj;return newObj}}function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}if(global.__WEBPACK__){const argv=process.argv;const usage='Usage: node blinksocks.js -c/--config <json_file>';const conditions=[argv.length!==4,argv[2]!=='-c'&&argv[2]!=='--config',!argv[3].endsWith('.json')];if(conditions.some(c=>c)){console.log(usage);process.exit(0)}const file=_path2.default.resolve(process.cwd(),argv[3]);let json=null;try{const jsonFile=_fs2.default.readFileSync(file);json=JSON.parse(jsonFile)}catch(err){throw Error(`fail to parse your '${file}': ${err.message}`)}const app=new __modules__.Hub(json);app.on('close',()=>process.exit(0));app.run();process.on('SIGINT',()=>app.terminate())}module.exports=__modules__;
\ No newline at end of file
+'use strict';var _fs=require('fs');var _fs2=_interopRequireDefault(_fs);var _path=require('path');var _path2=_interopRequireDefault(_path);var _core=require('./core');var __modules__=_interopRequireWildcard(_core);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key]}}newObj.default=obj;return newObj}}function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}if(global.__WEBPACK__){const argv=process.argv;const usage='Usage: node blinksocks.js -c/--config <json_file>';if(argv.length!==4||argv[2]!=='-c'&&argv[2]!=='--config'||!argv[3].endsWith('.json')){console.log(usage);process.exit(0)}const file=_path2.default.resolve(process.cwd(),argv[3]);let json=null;try{const jsonFile=_fs2.default.readFileSync(file);json=JSON.parse(jsonFile)}catch(err){throw Error(`fail to parse your '${file}': ${err.message}`)}const app=new __modules__.Hub(json);app.on('close',()=>process.exit(0));app.run();process.on('SIGINT',()=>app.terminate())}module.exports=__modules__;
\ No newline at end of file
diff --git a/src/index.js b/src/index.js
index 589aba4..f969720 100755
--- a/src/index.js
+++ b/src/index.js
@@ -7,13 +7,7 @@ if (global.__WEBPACK__) {
   const argv = process.argv;
   const usage = 'Usage: node blinksocks.js -c/--config <json_file>';
 
-  const conditions = [
-    argv.length !== 4,
-    (argv[2] !== '-c' && argv[2] !== '--config'),
-    !argv[3].endsWith('.json')
-  ];
-
-  if (conditions.some((c) => c)) {
+  if (argv.length !== 4 || (argv[2] !== '-c' && argv[2] !== '--config') || !argv[3].endsWith('.json')) {
     console.log(usage);
     process.exit(0);
   }