forked from cmliu/edgetunnel
-
Notifications
You must be signed in to change notification settings - Fork 0
/
_worker.js
1443 lines (1302 loc) · 46.9 KB
/
_worker.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
// <!--GAMFC-->version base on commit 43fad05dcdae3b723c53c226f8181fc5bd47223e, time is 2023-06-22 15:20:05 UTC<!--GAMFC-END-->.
// @ts-ignore
import { connect } from 'cloudflare:sockets';
// How to generate your own UUID:
// [Windows] Press "Win + R", input cmd and run: Powershell -NoExit -Command "[guid]::NewGuid()"
let userID = '90cd4a77-141a-43c9-991b-08263cfe9c10';
let proxyIP = '';// 小白勿动，该地址并不影响你的网速，这是给CF代理使用的。'cdn.xn--b6gac.eu.org, cdn-all.xn--b6gac.eu.org, workers.cloudflare.cyou'
let sub = '';// 留空则使用内置订阅
let subconverter = 'url.v1.mk';// clash订阅转换后端，目前使用肥羊的订阅转换功能。自带虚假uuid和host订阅。
let subconfig = "https://raw.githubusercontent.com/cmliu/ACL4SSR/main/Clash/config/ACL4SSR_Online_Full_MultiMode.ini"; //订阅配置文件
// The user name and password do not contain special characters
// Setting the address will ignore proxyIP
// Example: user:pass@host:port or host:port
let socks5Address = '';
if (!isValidUUID(userID)) {
throw new Error('uuid is not valid');
}
let parsedSocks5Address = {};
let enableSocks = false;
// 虚假uuid和hostname，用于发送给配置生成服务
let fakeUserID ;
let fakeHostName ;
let noTLS = 'false';
const expire = 4102329600;//2099-12-31
let proxyIPs;
let addresses = [];
let addressesapi = [];
let addressesnotls = [];
let addressesnotlsapi = [];
let addressescsv = [];
let DLS = 8;
let FileName = 'edgetunnel';
let BotToken ='';
let ChatID ='';
let proxyhosts = [];//本地代理域名池
let proxyhostsURL = 'https://raw.githubusercontent.com/cmliu/CFcdnVmess2sub/main/proxyhosts';//在线代理域名池URL
let RproxyIP = 'false';
export default {
/**
* @param {import("@cloudflare/workers-types").Request} request
* @param {{UUID: string, PROXYIP: string}} env
* @param {import("@cloudflare/workers-types").ExecutionContext} ctx
* @returns {Promise<Response>}
*/
async fetch(request, env, ctx) {
try {
const UA = request.headers.get('User-Agent') || 'null';
const userAgent = UA.toLowerCase();
userID = (env.UUID || userID).toLowerCase();
const currentDate = new Date();
currentDate.setHours(0, 0, 0, 0);
const timestamp = Math.ceil(currentDate.getTime() / 1000);
const fakeUserIDMD5 = await MD5MD5(`${userID}${timestamp}`);
fakeUserID = fakeUserIDMD5.slice(0, 8) + "-" + fakeUserIDMD5.slice(8, 12) + "-" + fakeUserIDMD5.slice(12, 16) + "-" + fakeUserIDMD5.slice(16, 20) + "-" + fakeUserIDMD5.slice(20);
fakeHostName = fakeUserIDMD5.slice(6, 9) + "." + fakeUserIDMD5.slice(13, 19);
//console.log(`${fakeUserID}\n${fakeHostName}`); // 打印fakeID
proxyIP = env.PROXYIP || proxyIP;
proxyIPs = await ADD(proxyIP);
proxyIP = proxyIPs[Math.floor(Math.random() * proxyIPs.length)];
//console.log(proxyIP);
socks5Address = env.SOCKS5 || socks5Address;
sub = env.SUB || sub;
subconverter = env.SUBAPI || subconverter;
subconfig = env.SUBCONFIG || subconfig;
if (socks5Address) {
try {
parsedSocks5Address = socks5AddressParser(socks5Address);
RproxyIP = env.RPROXYIP || 'false';
enableSocks = true;
} catch (err) {
/** @type {Error} */
let e = err;
console.log(e.toString());
RproxyIP = env.RPROXYIP || !proxyIP ? 'true' : 'false';
enableSocks = false;
}
} else {
RproxyIP = env.RPROXYIP || !proxyIP ? 'true' : 'false';
}
if (env.ADD) addresses = await ADD(env.ADD);
if (env.ADDAPI) addressesapi = await ADD(env.ADDAPI);
if (env.ADDNOTLS) addressesnotls = await ADD(env.ADDNOTLS);
if (env.ADDNOTLSAPI) addressesnotlsapi = await ADD(env.ADDNOTLSAPI);
if (env.ADDCSV) addressescsv = await ADD(env.ADDCSV);
DLS = env.DLS || DLS;
BotToken = env.TGTOKEN || BotToken;
ChatID = env.TGID || ChatID;
const upgradeHeader = request.headers.get('Upgrade');
const url = new URL(request.url);
if (url.searchParams.has('notls')) noTLS = 'true';
if (!upgradeHeader || upgradeHeader !== 'websocket') {
// const url = new URL(request.url);
switch (url.pathname.toLowerCase()) {
case '/':
const envKey = env.URL302 ? 'URL302' : (env.URL ? 'URL' : null);
if (envKey) {
const URLs = await ADD(env[envKey]);
const URL = URLs[Math.floor(Math.random() * URLs.length)];
return envKey === 'URL302' ? Response.redirect(URL, 302) : fetch(new Request(URL, request));
}
return new Response(JSON.stringify(request.cf, null, 4), { status: 200 });
case `/${fakeUserID}`:
const fakeConfig = await getVLESSConfig(userID, request.headers.get('Host'), sub, 'CF-Workers-SUB', RproxyIP, url);
return new Response(`${fakeConfig}`, { status: 200 });
case `/${userID}`: {
await sendMessage(`#获取订阅 ${FileName}`, request.headers.get('CF-Connecting-IP'), `UA: ${UA}</tg-spoiler>\n域名: ${url.hostname}\n<tg-spoiler>入口: ${url.pathname + url.search}</tg-spoiler>`);
if ((!sub || sub == '') && (addresses.length + addressesapi.length + addressesnotls.length + addressesnotlsapi.length + addressescsv.length) == 0) sub = 'vless-4ca.pages.dev';
const vlessConfig = await getVLESSConfig(userID, request.headers.get('Host'), sub, UA, RproxyIP, url);
const now = Date.now();
//const timestamp = Math.floor(now / 1000);
const today = new Date(now);
today.setHours(0, 0, 0, 0);
const UD = Math.floor(((now - today.getTime())/86400000) * 24 * 1099511627776 / 2);
let pagesSum = UD;
let workersSum = UD;
let total = 24 * 1099511627776 ;
if (env.CFEMAIL && env.CFKEY){
const email = env.CFEMAIL;
const key = env.CFKEY;
const accountIndex = env.CFID || 0;
const accountId = await getAccountId(email, key);
if (accountId){
const now = new Date()
now.setUTCHours(0, 0, 0, 0)
const startDate = now.toISOString()
const endDate = new Date().toISOString();
const Sum = await getSum(accountId, accountIndex, email, key, startDate, endDate);
pagesSum = Sum[0];
workersSum = Sum[1];
total = 102400 ;
}
}
//console.log(`pagesSum: ${pagesSum}\nworkersSum: ${workersSum}\ntotal: ${total}`);
if (userAgent && userAgent.includes('mozilla')){
return new Response(`${vlessConfig}`, {
status: 200,
headers: {
"Content-Type": "text/plain;charset=utf-8",
"Profile-Update-Interval": "6",
"Subscription-Userinfo": `upload=${pagesSum}; download=${workersSum}; total=${total}; expire=${expire}`,
}
});
} else {
return new Response(`${vlessConfig}`, {
status: 200,
headers: {
"Content-Disposition": `attachment; filename=${FileName}; filename*=utf-8''${encodeURIComponent(FileName)}`,
"Content-Type": "text/plain;charset=utf-8",
"Profile-Update-Interval": "6",
"Subscription-Userinfo": `upload=${pagesSum}; download=${workersSum}; total=${total}; expire=${expire}`,
}
});
}
}
default:
return new Response('Not found', { status: 404 });
}
} else {
proxyIP = url.searchParams.get('proxyip') || proxyIP;
if (new RegExp('/proxyip=', 'i').test(url.pathname)) proxyIP = url.pathname.toLowerCase().split('/proxyip=')[1];
else if (new RegExp('/proxyip.', 'i').test(url.pathname)) proxyIP = `proxyip.${url.pathname.toLowerCase().split("/proxyip.")[1]}`;
else if (!proxyIP || proxyIP == '') proxyIP = 'proxyip.fxxk.dedyn.io';
socks5Address = url.searchParams.get('socks5') || socks5Address;
if (new RegExp('/socks5=', 'i').test(url.pathname)) socks5Address = url.pathname.split('5=')[1];
else if (new RegExp('/socks://', 'i').test(url.pathname) || new RegExp('/socks5://', 'i').test(url.pathname)) {
socks5Address = url.pathname.split('://')[1].split('#')[0];
if (socks5Address.includes('@')){
let userPassword = socks5Address.split('@')[0];
const base64Regex = /^(?:[A-Z0-9+/]{4})*(?:[A-Z0-9+/]{2}==|[A-Z0-9+/]{3}=)?$/i;
if (base64Regex.test(userPassword) && !userPassword.includes(':')) userPassword = atob(userPassword);
socks5Address = `${userPassword}@${socks5Address.split('@')[1]}`;
}
}
if (socks5Address) {
try {
parsedSocks5Address = socks5AddressParser(socks5Address);
enableSocks = true;
} catch (err) {
/** @type {Error} */
let e = err;
console.log(e.toString());
enableSocks = false;
}
} else {
enableSocks = false;
}
return await vlessOverWSHandler(request);
}
} catch (err) {
/** @type {Error} */ let e = err;
return new Response(e.toString());
}
},
};
/**
*
* @param {import("@cloudflare/workers-types").Request} request
*/
async function vlessOverWSHandler(request) {
/** @type {import("@cloudflare/workers-types").WebSocket[]} */
// @ts-ignore
const webSocketPair = new WebSocketPair();
const [client, webSocket] = Object.values(webSocketPair);
webSocket.accept();
let address = '';
let portWithRandomLog = '';
const log = (/** @type {string} */ info, /** @type {string | undefined} */ event) => {
console.log(`[${address}:${portWithRandomLog}] ${info}`, event || '');
};
const earlyDataHeader = request.headers.get('sec-websocket-protocol') || '';
const readableWebSocketStream = makeReadableWebSocketStream(webSocket, earlyDataHeader, log);
/** @type {{ value: import("@cloudflare/workers-types").Socket | null}}*/
let remoteSocketWapper = {
value: null,
};
let isDns = false;
// ws --> remote
readableWebSocketStream.pipeTo(new WritableStream({
async write(chunk, controller) {
if (isDns) {
return await handleDNSQuery(chunk, webSocket, null, log);
}
if (remoteSocketWapper.value) {
const writer = remoteSocketWapper.value.writable.getWriter()
await writer.write(chunk);
writer.releaseLock();
return;
}
const {
hasError,
message,
addressType,
portRemote = 443,
addressRemote = '',
rawDataIndex,
vlessVersion = new Uint8Array([0, 0]),
isUDP,
} = processVlessHeader(chunk, userID);
address = addressRemote;
portWithRandomLog = `${portRemote}--${Math.random()} ${isUDP ? 'udp ' : 'tcp '
} `;
if (hasError) {
// controller.error(message);
throw new Error(message); // cf seems has bug, controller.error will not end stream
// webSocket.close(1000, message);
return;
}
// if UDP but port not DNS port, close it
if (isUDP) {
if (portRemote === 53) {
isDns = true;
} else {
// controller.error('UDP proxy only enable for DNS which is port 53');
throw new Error('UDP proxy only enable for DNS which is port 53'); // cf seems has bug, controller.error will not end stream
return;
}
}
// ["version", "附加信息长度 N"]
const vlessResponseHeader = new Uint8Array([vlessVersion[0], 0]);
const rawClientData = chunk.slice(rawDataIndex);
if (isDns) {
return handleDNSQuery(rawClientData, webSocket, vlessResponseHeader, log);
}
handleTCPOutBound(remoteSocketWapper, addressType, addressRemote, portRemote, rawClientData, webSocket, vlessResponseHeader, log);
},
close() {
log(`readableWebSocketStream is close`);
},
abort(reason) {
log(`readableWebSocketStream is abort`, JSON.stringify(reason));
},
})).catch((err) => {
log('readableWebSocketStream pipeTo error', err);
});
return new Response(null, {
status: 101,
// @ts-ignore
webSocket: client,
});
}
/**
* Handles outbound TCP connections.
*
* @param {any} remoteSocket
* @param {number} addressType The remote address type to connect to.
* @param {string} addressRemote The remote address to connect to.
* @param {number} portRemote The remote port to connect to.
* @param {Uint8Array} rawClientData The raw client data to write.
* @param {import("@cloudflare/workers-types").WebSocket} webSocket The WebSocket to pass the remote socket to.
* @param {Uint8Array} vlessResponseHeader The VLESS response header.
* @param {function} log The logging function.
* @returns {Promise<void>} The remote socket.
*/
async function handleTCPOutBound(remoteSocket, addressType, addressRemote, portRemote, rawClientData, webSocket, vlessResponseHeader, log,) {
async function connectAndWrite(address, port, socks = false) {
/** @type {import("@cloudflare/workers-types").Socket} */
const tcpSocket = socks ? await socks5Connect(addressType, address, port, log)
: connect({
hostname: address,
port: port,
});
remoteSocket.value = tcpSocket;
log(`connected to ${address}:${port}`);
const writer = tcpSocket.writable.getWriter();
await writer.write(rawClientData); // first write, normal is tls client hello
writer.releaseLock();
return tcpSocket;
}
// if the cf connect tcp socket have no incoming data, we retry to redirect ip
async function retry() {
if (enableSocks) {
tcpSocket = await connectAndWrite(addressRemote, portRemote, true);
} else {
tcpSocket = await connectAndWrite(proxyIP || addressRemote, portRemote);
}
// no matter retry success or not, close websocket
tcpSocket.closed.catch(error => {
console.log('retry tcpSocket closed error', error);
}).finally(() => {
safeCloseWebSocket(webSocket);
})
remoteSocketToWS(tcpSocket, webSocket, vlessResponseHeader, null, log);
}
let tcpSocket = await connectAndWrite(addressRemote, portRemote);
// when remoteSocket is ready, pass to websocket
// remote--> ws
remoteSocketToWS(tcpSocket, webSocket, vlessResponseHeader, retry, log);
}
/**
*
* @param {import("@cloudflare/workers-types").WebSocket} webSocketServer
* @param {string} earlyDataHeader for ws 0rtt
* @param {(info: string)=> void} log for ws 0rtt
*/
function makeReadableWebSocketStream(webSocketServer, earlyDataHeader, log) {
let readableStreamCancel = false;
const stream = new ReadableStream({
start(controller) {
webSocketServer.addEventListener('message', (event) => {
if (readableStreamCancel) {
return;
}
const message = event.data;
controller.enqueue(message);
});
// The event means that the client closed the client -> server stream.
// However, the server -> client stream is still open until you call close() on the server side.
// The WebSocket protocol says that a separate close message must be sent in each direction to fully close the socket.
webSocketServer.addEventListener('close', () => {
// client send close, need close server
// if stream is cancel, skip controller.close
safeCloseWebSocket(webSocketServer);
if (readableStreamCancel) {
return;
}
controller.close();
}
);
webSocketServer.addEventListener('error', (err) => {
log('webSocketServer has error');
controller.error(err);
}
);
// for ws 0rtt
const { earlyData, error } = base64ToArrayBuffer(earlyDataHeader);
if (error) {
controller.error(error);
} else if (earlyData) {
controller.enqueue(earlyData);
}
},
pull(controller) {
// if ws can stop read if stream is full, we can implement backpressure
// https://streams.spec.whatwg.org/#example-rs-push-backpressure
},
cancel(reason) {
// 1. pipe WritableStream has error, this cancel will called, so ws handle server close into here
// 2. if readableStream is cancel, all controller.close/enqueue need skip,
// 3. but from testing controller.error still work even if readableStream is cancel
if (readableStreamCancel) {
return;
}
log(`ReadableStream was canceled, due to ${reason}`)
readableStreamCancel = true;
safeCloseWebSocket(webSocketServer);
}
});
return stream;
}
// https://xtls.github.io/development/protocols/vless.html
// https://github.com/zizifn/excalidraw-backup/blob/main/v2ray-protocol.excalidraw
/**
*
* @param { ArrayBuffer} vlessBuffer
* @param {string} userID
* @returns
*/
function processVlessHeader(vlessBuffer, userID) {
if (vlessBuffer.byteLength < 24) {
return {
hasError: true,
message: 'invalid data',
};
}
const version = new Uint8Array(vlessBuffer.slice(0, 1));
let isValidUser = false;
let isUDP = false;
if (stringify(new Uint8Array(vlessBuffer.slice(1, 17))) === userID) {
isValidUser = true;
}
if (!isValidUser) {
return {
hasError: true,
message: 'invalid user',
};
}
const optLength = new Uint8Array(vlessBuffer.slice(17, 18))[0];
//skip opt for now
const command = new Uint8Array(
vlessBuffer.slice(18 + optLength, 18 + optLength + 1)
)[0];
// 0x01 TCP
// 0x02 UDP
// 0x03 MUX
if (command === 1) {
} else if (command === 2) {
isUDP = true;
} else {
return {
hasError: true,
message: `command ${command} is not support, command 01-tcp,02-udp,03-mux`,
};
}
const portIndex = 18 + optLength + 1;
const portBuffer = vlessBuffer.slice(portIndex, portIndex + 2);
// port is big-Endian in raw data etc 80 == 0x005d
const portRemote = new DataView(portBuffer).getUint16(0);
let addressIndex = portIndex + 2;
const addressBuffer = new Uint8Array(
vlessBuffer.slice(addressIndex, addressIndex + 1)
);
// 1--> ipv4 addressLength =4
// 2--> domain name addressLength=addressBuffer[1]
// 3--> ipv6 addressLength =16
const addressType = addressBuffer[0];
let addressLength = 0;
let addressValueIndex = addressIndex + 1;
let addressValue = '';
switch (addressType) {
case 1:
addressLength = 4;
addressValue = new Uint8Array(
vlessBuffer.slice(addressValueIndex, addressValueIndex + addressLength)
).join('.');
break;
case 2:
addressLength = new Uint8Array(
vlessBuffer.slice(addressValueIndex, addressValueIndex + 1)
)[0];
addressValueIndex += 1;
addressValue = new TextDecoder().decode(
vlessBuffer.slice(addressValueIndex, addressValueIndex + addressLength)
);
break;
case 3:
addressLength = 16;
const dataView = new DataView(
vlessBuffer.slice(addressValueIndex, addressValueIndex + addressLength)
);
// 2001:0db8:85a3:0000:0000:8a2e:0370:7334
const ipv6 = [];
for (let i = 0; i < 8; i++) {
ipv6.push(dataView.getUint16(i * 2).toString(16));
}
addressValue = ipv6.join(':');
// seems no need add [] for ipv6
break;
default:
return {
hasError: true,
message: `invild addressType is ${addressType}`,
};
}
if (!addressValue) {
return {
hasError: true,
message: `addressValue is empty, addressType is ${addressType}`,
};
}
return {
hasError: false,
addressRemote: addressValue,
addressType,
portRemote,
rawDataIndex: addressValueIndex + addressLength,
vlessVersion: version,
isUDP,
};
}
/**
*
* @param {import("@cloudflare/workers-types").Socket} remoteSocket
* @param {import("@cloudflare/workers-types").WebSocket} webSocket
* @param {ArrayBuffer} vlessResponseHeader
* @param {(() => Promise<void>) | null} retry
* @param {*} log
*/
async function remoteSocketToWS(remoteSocket, webSocket, vlessResponseHeader, retry, log) {
// remote--> ws
let remoteChunkCount = 0;
let chunks = [];
/** @type {ArrayBuffer | null} */
let vlessHeader = vlessResponseHeader;
let hasIncomingData = false; // check if remoteSocket has incoming data
await remoteSocket.readable
.pipeTo(
new WritableStream({
start() {
},
/**
*
* @param {Uint8Array} chunk
* @param {*} controller
*/
async write(chunk, controller) {
hasIncomingData = true;
// remoteChunkCount++;
if (webSocket.readyState !== WS_READY_STATE_OPEN) {
controller.error(
'webSocket.readyState is not open, maybe close'
);
}
if (vlessHeader) {
webSocket.send(await new Blob([vlessHeader, chunk]).arrayBuffer());
vlessHeader = null;
} else {
// seems no need rate limit this, CF seems fix this??..
// if (remoteChunkCount > 20000) {
// // cf one package is 4096 byte(4kb), 4096 * 20000 = 80M
// await delay(1);
// }
webSocket.send(chunk);
}
},
close() {
log(`remoteConnection!.readable is close with hasIncomingData is ${hasIncomingData}`);
// safeCloseWebSocket(webSocket); // no need server close websocket frist for some case will casue HTTP ERR_CONTENT_LENGTH_MISMATCH issue, client will send close event anyway.
},
abort(reason) {
console.error(`remoteConnection!.readable abort`, reason);
},
})
)
.catch((error) => {
console.error(
`remoteSocketToWS has exception `,
error.stack || error
);
safeCloseWebSocket(webSocket);
});
// seems is cf connect socket have error,
// 1. Socket.closed will have error
// 2. Socket.readable will be close without any data coming
if (hasIncomingData === false && retry) {
log(`retry`)
retry();
}
}
/**
*
* @param {string} base64Str
* @returns
*/
function base64ToArrayBuffer(base64Str) {
if (!base64Str) {
return { error: null };
}
try {
// go use modified Base64 for URL rfc4648 which js atob not support
base64Str = base64Str.replace(/-/g, '+').replace(/_/g, '/');
const decode = atob(base64Str);
const arryBuffer = Uint8Array.from(decode, (c) => c.charCodeAt(0));
return { earlyData: arryBuffer.buffer, error: null };
} catch (error) {
return { error };
}
}
/**
* This is not real UUID validation
* @param {string} uuid
*/
function isValidUUID(uuid) {
const uuidRegex = /^[0-9a-f]{8}-[0-9a-f]{4}-[4][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i;
return uuidRegex.test(uuid);
}
const WS_READY_STATE_OPEN = 1;
const WS_READY_STATE_CLOSING = 2;
/**
* Normally, WebSocket will not has exceptions when close.
* @param {import("@cloudflare/workers-types").WebSocket} socket
*/
function safeCloseWebSocket(socket) {
try {
if (socket.readyState === WS_READY_STATE_OPEN || socket.readyState === WS_READY_STATE_CLOSING) {
socket.close();
}
} catch (error) {
console.error('safeCloseWebSocket error', error);
}
}
const byteToHex = [];
for (let i = 0; i < 256; ++i) {
byteToHex.push((i + 256).toString(16).slice(1));
}
function unsafeStringify(arr, offset = 0) {
return (byteToHex[arr[offset + 0]] + byteToHex[arr[offset + 1]] + byteToHex[arr[offset + 2]] + byteToHex[arr[offset + 3]] + "-" + byteToHex[arr[offset + 4]] + byteToHex[arr[offset + 5]] + "-" + byteToHex[arr[offset + 6]] + byteToHex[arr[offset + 7]] + "-" + byteToHex[arr[offset + 8]] + byteToHex[arr[offset + 9]] + "-" + byteToHex[arr[offset + 10]] + byteToHex[arr[offset + 11]] + byteToHex[arr[offset + 12]] + byteToHex[arr[offset + 13]] + byteToHex[arr[offset + 14]] + byteToHex[arr[offset + 15]]).toLowerCase();
}
function stringify(arr, offset = 0) {
const uuid = unsafeStringify(arr, offset);
if (!isValidUUID(uuid)) {
throw TypeError("Stringified UUID is invalid");
}
return uuid;
}
/**
*
* @param {ArrayBuffer} udpChunk
* @param {import("@cloudflare/workers-types").WebSocket} webSocket
* @param {ArrayBuffer} vlessResponseHeader
* @param {(string)=> void} log
*/
async function handleDNSQuery(udpChunk, webSocket, vlessResponseHeader, log) {
// no matter which DNS server client send, we alwasy use hard code one.
// beacsue someof DNS server is not support DNS over TCP
try {
const dnsServer = '8.8.4.4'; // change to 1.1.1.1 after cf fix connect own ip bug
const dnsPort = 53;
/** @type {ArrayBuffer | null} */
let vlessHeader = vlessResponseHeader;
/** @type {import("@cloudflare/workers-types").Socket} */
const tcpSocket = connect({
hostname: dnsServer,
port: dnsPort,
});
log(`connected to ${dnsServer}:${dnsPort}`);
const writer = tcpSocket.writable.getWriter();
await writer.write(udpChunk);
writer.releaseLock();
await tcpSocket.readable.pipeTo(new WritableStream({
async write(chunk) {
if (webSocket.readyState === WS_READY_STATE_OPEN) {
if (vlessHeader) {
webSocket.send(await new Blob([vlessHeader, chunk]).arrayBuffer());
vlessHeader = null;
} else {
webSocket.send(chunk);
}
}
},
close() {
log(`dns server(${dnsServer}) tcp is close`);
},
abort(reason) {
console.error(`dns server(${dnsServer}) tcp is abort`, reason);
},
}));
} catch (error) {
console.error(
`handleDNSQuery have exception, error: ${error.message}`
);
}
}
/**
*
* @param {number} addressType
* @param {string} addressRemote
* @param {number} portRemote
* @param {function} log The logging function.
*/
async function socks5Connect(addressType, addressRemote, portRemote, log) {
const { username, password, hostname, port } = parsedSocks5Address;
// Connect to the SOCKS server
const socket = connect({
hostname,
port,
});
// Request head format (Worker -> Socks Server):
// +----+----------+----------+
// |VER | NMETHODS | METHODS |
// +----+----------+----------+
// | 1 | 1 | 1 to 255 |
// +----+----------+----------+
// https://en.wikipedia.org/wiki/SOCKS#SOCKS5
// For METHODS:
// 0x00 NO AUTHENTICATION REQUIRED
// 0x02 USERNAME/PASSWORD https://datatracker.ietf.org/doc/html/rfc1929
const socksGreeting = new Uint8Array([5, 2, 0, 2]);
const writer = socket.writable.getWriter();
await writer.write(socksGreeting);
log('sent socks greeting');
const reader = socket.readable.getReader();
const encoder = new TextEncoder();
let res = (await reader.read()).value;
// Response format (Socks Server -> Worker):
// +----+--------+
// |VER | METHOD |
// +----+--------+
// | 1 | 1 |
// +----+--------+
if (res[0] !== 0x05) {
log(`socks server version error: ${res[0]} expected: 5`);
return;
}
if (res[1] === 0xff) {
log("no acceptable methods");
return;
}
// if return 0x0502
if (res[1] === 0x02) {
log("socks server needs auth");
if (!username || !password) {
log("please provide username/password");
return;
}
// +----+------+----------+------+----------+
// |VER | ULEN | UNAME | PLEN | PASSWD |
// +----+------+----------+------+----------+
// | 1 | 1 | 1 to 255 | 1 | 1 to 255 |
// +----+------+----------+------+----------+
const authRequest = new Uint8Array([
1,
username.length,
...encoder.encode(username),
password.length,
...encoder.encode(password)
]);
await writer.write(authRequest);
res = (await reader.read()).value;
// expected 0x0100
if (res[0] !== 0x01 || res[1] !== 0x00) {
log("fail to auth socks server");
return;
}
}
// Request data format (Worker -> Socks Server):
// +----+-----+-------+------+----------+----------+
// |VER | CMD | RSV | ATYP | DST.ADDR | DST.PORT |
// +----+-----+-------+------+----------+----------+
// | 1 | 1 | X'00' | 1 | Variable | 2 |
// +----+-----+-------+------+----------+----------+
// ATYP: address type of following address
// 0x01: IPv4 address
// 0x03: Domain name
// 0x04: IPv6 address
// DST.ADDR: desired destination address
// DST.PORT: desired destination port in network octet order
// addressType
// 1--> ipv4 addressLength =4
// 2--> domain name
// 3--> ipv6 addressLength =16
let DSTADDR; // DSTADDR = ATYP + DST.ADDR
switch (addressType) {
case 1:
DSTADDR = new Uint8Array(
[1, ...addressRemote.split('.').map(Number)]
);
break;
case 2:
DSTADDR = new Uint8Array(
[3, addressRemote.length, ...encoder.encode(addressRemote)]
);
break;
case 3:
DSTADDR = new Uint8Array(
[4, ...addressRemote.split(':').flatMap(x => [parseInt(x.slice(0, 2), 16), parseInt(x.slice(2), 16)])]
);
break;
default:
log(`invild addressType is ${addressType}`);
return;
}
const socksRequest = new Uint8Array([5, 1, 0, ...DSTADDR, portRemote >> 8, portRemote & 0xff]);
await writer.write(socksRequest);
log('sent socks request');
res = (await reader.read()).value;
// Response format (Socks Server -> Worker):
// +----+-----+-------+------+----------+----------+
// |VER | REP | RSV | ATYP | BND.ADDR | BND.PORT |
// +----+-----+-------+------+----------+----------+
// | 1 | 1 | X'00' | 1 | Variable | 2 |
// +----+-----+-------+------+----------+----------+
if (res[1] === 0x00) {
log("socks connection opened");
} else {
log("fail to open socks connection");
return;
}
writer.releaseLock();
reader.releaseLock();
return socket;
}
/**
*
* @param {string} address
*/
function socks5AddressParser(address) {
let [latter, former] = address.split("@").reverse();
let username, password, hostname, port;
if (former) {
const formers = former.split(":");
if (formers.length !== 2) {
throw new Error('Invalid SOCKS address format');
}
[username, password] = formers;
}
const latters = latter.split(":");
port = Number(latters.pop());
if (isNaN(port)) {
throw new Error('Invalid SOCKS address format');
}
hostname = latters.join(":");
const regex = /^\[.*\]$/;
if (hostname.includes(":") && !regex.test(hostname)) {
throw new Error('Invalid SOCKS address format');
}
return {
username,
password,
hostname,
port,
}
}
function revertFakeInfo(content, userID, hostName, isBase64) {
if (isBase64) content = atob(content);//Base64解码
content = content.replace(new RegExp(fakeUserID, 'g'), userID).replace(new RegExp(fakeHostName, 'g'), hostName);
if (isBase64) content = btoa(content);//Base64编码
return content;
}
async function MD5MD5(text) {
const encoder = new TextEncoder();
const firstPass = await crypto.subtle.digest('MD5', encoder.encode(text));
const firstPassArray = Array.from(new Uint8Array(firstPass));
const firstHex = firstPassArray.map(b => b.toString(16).padStart(2, '0')).join('');
const secondPass = await crypto.subtle.digest('MD5', encoder.encode(firstHex.slice(7, 27)));
const secondPassArray = Array.from(new Uint8Array(secondPass));
const secondHex = secondPassArray.map(b => b.toString(16).padStart(2, '0')).join('');
return secondHex.toLowerCase();
}
async function ADD(envadd) {
var addtext = envadd.replace(/[ |"'\r\n]+/g, ',').replace(/,+/g, ','); // 将双引号、单引号和换行符替换为逗号
//console.log(addtext);
if (addtext.charAt(0) == ',') addtext = addtext.slice(1);
if (addtext.charAt(addtext.length -1) == ',') addtext = addtext.slice(0, addtext.length - 1);
const add = addtext.split(',');
//console.log(add);
return add ;
}
const 啥啥啥_写的这是啥啊 = 'dmxlc3M=';
function 配置信息(UUID, 域名地址) {
const 协议类型 = atob(啥啥啥_写的这是啥啊);
const 别名 = 域名地址;
let 地址 = 域名地址;
let 端口 = 443;
const 用户ID = UUID;
const 加密方式 = 'none';
const 传输层协议 = 'ws';
const 伪装域名 = 域名地址;
const 路径 = '/?ed=2560';
let 传输层安全 = ['tls',true];
const SNI = 域名地址;
const 指纹 = 'randomized';
if (域名地址.includes('.workers.dev')){
地址 = 'www.wto.org';
端口 = 80 ;
传输层安全 = ['',false];
}
const v2ray = `${协议类型}://${用户ID}@${地址}:${端口}?encryption=${加密方式}&security=${传输层安全[0]}&sni=${SNI}&fp=${指纹}&type=${传输层协议}&host=${伪装域名}&path=${encodeURIComponent(路径)}#${encodeURIComponent(别名)}`;
const clash = `- type: ${协议类型}
name: ${别名}
server: ${地址}
port: ${端口}
uuid: ${用户ID}
network: ${传输层协议}
tls: ${传输层安全[1]}
udp: false
sni: ${SNI}
client-fingerprint: ${指纹}
ws-opts:
path: "${路径}"
headers:
host: ${伪装域名}`;
return [v2ray,clash];
}
let subParams = ['sub','base64','b64','clash','singbox','sb'];
/**
* @param {string} userID
* @param {string | null} hostName
* @param {string} sub
* @param {string} UA
* @returns {Promise<string>}
*/
async function getVLESSConfig(userID, hostName, sub, UA, RproxyIP, _url) {
const userAgent = UA.toLowerCase();
const Config = 配置信息(userID , hostName);
const v2ray = Config[0];
const clash = Config[1];
// 如果sub为空，则显示原始内容
if ( userAgent.includes('mozilla') && !subParams.some(_searchParams => _url.searchParams.has(_searchParams))) {
let 订阅器 = `您的订阅内容由 ${sub} 提供维护支持, 自动获取ProxyIP: ${RproxyIP}`;
if (!sub || sub == '') {
if (!proxyIP || proxyIP =='') {
订阅器 = '您的订阅内容由 内置 addresses/ADD 参数提供, 当前使用的ProxyIP为空, 推荐您设置 proxyIP/PROXYIP ！！！';
} else {
订阅器 = `您的订阅内容由 内置 addresses/ADD 参数提供, 当前使用的ProxyIP： ${proxyIPs.join(',')}`;
}
} else if (RproxyIP != 'true'){
订阅器 += `, 当前使用的ProxyIP： ${proxyIPs.join(',')}`;
}
return `
################################################################
Subscribe / sub 订阅地址, 支持 Base64、clash-meta、sing-box 订阅格式, ${订阅器}
---------------------------------------------------------------
快速自适应订阅地址:
https://${hostName}/${userID}
Base64订阅地址: