forked from ansoncloud8/am-tunnel
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy path_worker.js
1333 lines (1206 loc) · 51.1 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
/**
*- Telegram交流群：https://t.me/AM_CLUBS
*- YouTube频道：https://youtube.com/@AM_CLUB
*- VLESS临时订阅地址：https://worker.amcloud.filegear-sg.me/866853eb-5293-4f09-bf00-e13eb237c655
*- Github仓库地址：https://github.com/ansoncloud8
**/
// @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 = '866853eb-5293-4f09-bf00-e13eb237c655';
const proxyIPs = ['cdn.xn--b6gac.eu.org', 'cdn-all.xn--b6gac.eu.org', 'workers.cloudflare.cyou'];
// if you want to use ipv6 or single proxyIP, please add comment at this line and remove comment at the next line
let proxyIP = proxyIPs[Math.floor(Math.random() * proxyIPs.length)];
// use single proxyIP instead of random
// let proxyIP = 'cdn.xn--b6gac.eu.org';
// ipv6 proxyIP example remove comment to use
// let proxyIP = "[2a01:4f8:c2c:123f:64:5:6810:c55a]"
let dohURL = 'https://sky.rethinkdns.com/1:-Pf_____9_8A_AMAIgE8kMABVDDmKOHTAKg='; // https://cloudflare-dns.com/dns-query or https://dns.google/dns-query
// 设置优选地址api接口
let addressesapi = [
'https://raw.githubusercontent.com/ansoncloud8/am-tunnel/dev/ipv4.txt', //可参考内容格式 自行搭建。
//'https://raw.githubusercontent.com/ansoncloud8/am-tunnel/dev/ipv6.txt', //IPv6优选内容格式 自行搭建。
];
// 设置优选地址，不带端口号默认443，TLS订阅生成
let addresses = [
'icook.tw:443#t.me/AM_CLUBS',//官方优选域名
//'cloudflare.cfgo.cc:443#关注YouTube频道@AM_CLUB',
//'visa.com:443#AM科技(免费节点)'
];
let autoaddress = [
'icook.tw:443#t.me/AM_CLUBS',//官方优选域名
'cloudflare.cfgo.cc:443#关注YouTube频道@AM_CLUB',
'visa.com:443#AM科技免费节点'
];
let FileName = 'ansoncloud8.github.io';
let SUBUpdateTime = 6;
let total = 99;//PB
//let timestamp = now;
let timestamp = 4102329600000;//2099-12-31
const regex = /^(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}|\[.*\]):?(\d+)?#?(.*)?$/;
// 虚假uuid和hostname，用于发送给配置生成服务
let fakeUserID = generateUUID();
let fakeHostName = generateRandomString();
let sub = 'worker.amcloud.filegear-sg.me';// 内置优选订阅生成器，可自行搭建
let subconverter = 'url.v1.mk';// clash订阅转换后端，目前使用肥羊的订阅转换功能。自带虚假uuid和host订阅。
let subconfig = "https://raw.githubusercontent.com/ansoncloud88/ACL4SSR/main/Clash/config/ACL4SSR_Online_Full_MultiMode.ini"; //订阅配置文件
if (!isValidUUID(userID)) {
throw new Error('uuid is invalid');
}
export default {
/**
* @param {import("@cloudflare/workers-types").Request} request
* @param {{UUID: string, PROXYIP: string, DNS_RESOLVER_URL: string, NODE_ID: int, API_HOST: string, API_TOKEN: string}} env
* @param {import("@cloudflare/workers-types").ExecutionContext} ctx
* @returns {Promise<Response>}
*/
async fetch(request, env, ctx) {
// uuid_validator(request);
try {
let expire = Math.floor(timestamp / 1000);
let UD = Math.floor(((timestamp - Date.now()) / timestamp * 99 * 1099511627776 * 1024) / 2);
const url = new URL(request.url);
const uuid = url.searchParams.get('uuid') ? url.searchParams.get('uuid').toLowerCase() : "null";
sub = env.SUB || sub;
userID = env.UUID || userID;
proxyIP = env.PROXYIP || proxyIP;
dohURL = env.DNS_RESOLVER_URL || dohURL;
let userID_Path = userID;
if (userID.includes(',')) {
userID_Path = userID.split(',')[0];
}
if (env.ADDRESSESAPI){
addressesapi = [];
addressesapi = await ADD(env.ADDRESSESAPI);
}
const upgradeHeader = request.headers.get('Upgrade');
if (!upgradeHeader || upgradeHeader !== 'websocket') {
switch (url.pathname) {
case `/cf`: {
return new Response(JSON.stringify(request.cf, null, 4), {
status: 200,
headers: {
"Content-Type": "application/json;charset=utf-8",
},
});
}
case `/${userID_Path}`: {
const vlessConfig = getVLESSConfig(userID, request.headers.get('Host'));
return new Response(`${vlessConfig}`, {
status: 200,
headers: {
"Content-Type": "text/html; charset=utf-8",
}
});
};
case `/sub/${userID_Path}`: {
const url = new URL(request.url);
const searchParams = url.searchParams;
const format = searchParams.get('format') ? searchParams.get('format').toLowerCase() : null;
const dq = searchParams.get('dq') ? searchParams.get('dq') : null;
const btoa_not = searchParams.get('btoa') ? searchParams.get('btoa').toLowerCase() : null;
const vlessSubConfig = createVLESSSub(userID, request.headers.get('Host'), format, dq);
// Construct and return response object
if (format === 'qx') {
return new Response(vlessSubConfig, {
status: 200,
headers: {
"Content-Type": "text/plain;charset=utf-8",
}
});
} else if (btoa_not === 'btoa') {
return new Response(vlessSubConfig, {
status: 200,
headers: {
"Content-Type": "text/plain;charset=utf-8",
}
});
} else {
return new Response(btoa(unescape(encodeURIComponent(vlessSubConfig))), {
status: 200,
headers: {
"Content-Type": "text/plain;charset=utf-8",
}
});
}
};
case `/bestip/${uuid}`: {
const newAddressesapi = await getAddressesapi(addressesapi);
// const vlessSubConfig = createVlessBestIpSub(userID, request.headers.get('Host'), newAddressesapi,'format');
//拿随机
fakeUserID = uuid;
fakeHostName = url.searchParams.get('host') ? url.searchParams.get('host').toLowerCase() : request.headers.get('Host');
const format = url.searchParams.get('format') ? url.searchParams.get('format').toLowerCase() : "null";
const vlessSubConfig = createVlessBestIpSub(fakeUserID, fakeHostName, newAddressesapi, format);
const btoa_not = url.searchParams.get('btoa') ? url.searchParams.get('btoa').toLowerCase() : null;
if (btoa_not === 'btoa') {
return new Response(vlessSubConfig, {
status: 200,
headers: {
"Content-Type": "text/plain;charset=utf-8",
}
});
}else {
const base64Response = btoa(unescape(encodeURIComponent(vlessSubConfig))); // 重新进行 Base64 编码
const response = new Response(base64Response, {
headers: {
// "Content-Disposition": `attachment; filename*=utf-8''${encodeURIComponent(FileName)}; filename=${FileName}`,
"content-type": "text/plain; charset=utf-8",
"Profile-Update-Interval": `${SUBUpdateTime}`,
"Subscription-Userinfo": `upload=${UD}; download=${UD}; total=${total}; expire=${expire}`,
},
});
return response;
}
};
case `/sub/bestip/${userID_Path}`: {
const tls = true;
// 如果是使用默认域名，则改成一个workers的域名，订阅器会加上代理
const hostName = request.headers.get('Host');
const userAgentHeader = request.headers.get('User-Agent');
const userAgent = userAgentHeader ? userAgentHeader.toLowerCase() : "null";
const format = url.searchParams.get('format') ? url.searchParams.get('format').toLowerCase() : "null";
if (hostName.includes(".workers.dev")) {
fakeHostName = `${fakeHostName}.${generateRandomString()}${generateRandomNumber()}.workers.dev`;
} else if (hostName.includes(".pages.dev")) {
fakeHostName = `${fakeHostName}.${generateRandomString()}${generateRandomNumber()}.pages.dev`;
} else if (hostName.includes("worker") || hostName.includes("notls") || tls == false) {
fakeHostName = `notls.${fakeHostName}${generateRandomNumber()}.net`;
} else {
fakeHostName = `${fakeHostName}.${generateRandomNumber()}.xyz`
}
let content = "";
let suburl = "";
let isBase64 = false;
if ((userAgent.includes('clash') && !userAgent.includes('nekobox')) || format === 'clash') {
suburl = `https://${subconverter}/sub?target=clash&url=https%3A%2F%2F${hostName}/bestip/${fakeUserID}%3Fhost%3D${fakeHostName}%26uuid%3D${fakeUserID}&insert=false&config=${encodeURIComponent(subconfig)}%26proxyip%3D${proxyIP}&emoji=true&list=false&tfo=false&scv=true&fdn=false&sort=false&new_name=true`;
} else if ((userAgent.includes('sing-box') || userAgent.includes('singbox')) || format === 'singbox') {
suburl = `https://${subconverter}/sub?target=singbox&url=https%3A%2F%2F${hostName}/bestip/${fakeUserID}%3Fhost%3D${fakeHostName}%26uuid%3D${fakeUserID}&insert=false&config=${encodeURIComponent(subconfig)}%26proxyip%3D${proxyIP}&emoji=true&list=false&tfo=false&scv=true&fdn=false&sort=false&new_name=true`;
} else if (format === 'qx') {
const newAddressesapi = await getAddressesapi(addressesapi);
const vlessSubConfig = createVlessBestIpSub(userID, request.headers.get('Host'), newAddressesapi, format);
return new Response(vlessSubConfig, {
headers: {
// "Content-Disposition": `attachment; filename*=utf-8''${encodeURIComponent(FileName)}; filename=${FileName}`,
"content-type": "text/plain; charset=utf-8",
"Profile-Update-Interval": `${SUBUpdateTime}`,
"Subscription-Userinfo": `upload=${UD}; download=${UD}; total=${total}; expire=${expire}`,
},
});
} else {
suburl = `https://${sub}/bestip/${fakeUserID}?host=${fakeHostName}&uuid=${fakeUserID}&proxyip=${proxyIP}`;
isBase64 = true;
}
try {
const response = await fetch(suburl, {
headers: {
'User-Agent': 'ansoncloud8.github.io'
}
});
content = await response.text();
const result = revertFakeInfo(content, userID_Path, hostName, isBase64);
// content.replace(new RegExp(fakeUserID, 'g'), userID)
return new Response(result, {
headers: {
// "Content-Disposition": `attachment; filename*=utf-8''${encodeURIComponent(FileName)}; filename=${FileName}`,
"content-type": "text/plain; charset=utf-8",
"Profile-Update-Interval": `${SUBUpdateTime}`,
"Subscription-Userinfo": `upload=${UD}; download=${UD}; total=${total}; expire=${expire}`,
},
});
} catch (error) {
console.error('Error fetching content:', error);
return `Error fetching content: ${error.message}`;
}
};
default:
// return new Response('Not found', { status: 404 });
//首页改成一个nginx伪装页
return new Response(await nginx(), {
headers: {
'Content-Type': 'text/html; charset=UTF-8',
'referer': 'https://www.google.com/search?q=ansoncloud8.github.io',
},
});
// For any other path, reverse proxy to 'ramdom website' and return the original response, caching it in the process
// const randomHostname = cn_hostnames[Math.floor(Math.random() * cn_hostnames.length)];
// const newHeaders = new Headers(request.headers);
// newHeaders.set('cf-connecting-ip', '1.2.3.4');
// newHeaders.set('x-forwarded-for', '1.2.3.4');
// newHeaders.set('x-real-ip', '1.2.3.4');
// newHeaders.set('referer', 'https://www.google.com/search?q=ansoncloud8.github.io');
// // Use fetch to proxy the request to 15 different domains
// const proxyUrl = 'https://' + randomHostname + url.pathname + url.search;
// let modifiedRequest = new Request(proxyUrl, {
// method: request.method,
// headers: newHeaders,
// body: request.body,
// redirect: 'manual',
// });
// const proxyResponse = await fetch(modifiedRequest, { redirect: 'manual' });
// // Check for 302 or 301 redirect status and return an error response
// if ([301, 302].includes(proxyResponse.status)) {
// return new Response(`Redirects to ${randomHostname} are not allowed.`, {
// status: 403,
// statusText: 'Forbidden',
// });
// }
// // Return the response from the proxy server
// return proxyResponse;
}
} else {
return await vlessOverWSHandler(request);
}
} catch (err) {
/** @type {Error} */ let e = err;
return new Response(e.toString());
}
},
};
export async function uuid_validator(request) {
const hostname = request.headers.get('Host');
const currentDate = new Date();
const subdomain = hostname.split('.')[0];
const year = currentDate.getFullYear();
const month = String(currentDate.getMonth() + 1).padStart(2, '0');
const day = String(currentDate.getDate()).padStart(2, '0');
const formattedDate = `${year}-${month}-${day}`;
// const daliy_sub = formattedDate + subdomain
const hashHex = await hashHex_f(subdomain);
// subdomain string contains timestamps utc and uuid string TODO.
console.log(hashHex, subdomain, formattedDate);
}
export async function hashHex_f(string) {
const encoder = new TextEncoder();
const data = encoder.encode(string);
const hashBuffer = await crypto.subtle.digest('SHA-256', data);
const hashArray = Array.from(new Uint8Array(hashBuffer));
const hashHex = hashArray.map(byte => byte.toString(16).padStart(2, '0')).join('');
return hashHex;
}
/**
* Handles VLESS over WebSocket requests by creating a WebSocket pair, accepting the WebSocket connection, and processing the VLESS header.
* @param {import("@cloudflare/workers-types").Request} request The incoming request object.
* @returns {Promise<Response>} A Promise that resolves to a WebSocket response object.
*/
async function vlessOverWSHandler(request) {
const webSocketPair = new WebSocketPair();
const [client, webSocket] = Object.values(webSocketPair);
webSocket.accept();
let address = '';
let portWithRandomLog = '';
let currentDate = new Date();
const log = (/** @type {string} */ info, /** @type {string | undefined} */ event) => {
console.log(`[${currentDate} ${address}:${portWithRandomLog}] ${info}`, event || '');
};
const earlyDataHeader = request.headers.get('sec-websocket-protocol') || '';
const readableWebSocketStream = makeReadableWebSocketStream(webSocket, earlyDataHeader, log);
/** @type {{ value: import("@cloudflare/workers-types").Socket | null}}*/
let remoteSocketWapper = {
value: null,
};
let udpStreamWrite = null;
let isDns = false;
// ws --> remote
readableWebSocketStream.pipeTo(new WritableStream({
async write(chunk, controller) {
if (isDns && udpStreamWrite) {
return udpStreamWrite(chunk);
}
if (remoteSocketWapper.value) {
const writer = remoteSocketWapper.value.writable.getWriter()
await writer.write(chunk);
writer.releaseLock();
return;
}
const {
hasError,
message,
portRemote = 443,
addressRemote = '',
rawDataIndex,
vlessVersion = new Uint8Array([0, 0]),
isUDP,
} = processVlessHeader(chunk, userID);
address = addressRemote;
portWithRandomLog = `${portRemote} ${isUDP ? 'udp' : 'tcp'} `;
if (hasError) {
// controller.error(message);
throw new Error(message); // cf seems has bug, controller.error will not end stream
}
// If UDP and not DNS port, close it
if (isUDP && portRemote !== 53) {
throw new Error('UDP proxy only enabled for DNS which is port 53');
// cf seems has bug, controller.error will not end stream
}
if (isUDP && portRemote === 53) {
isDns = true;
}
// ["version", "附加信息长度 N"]
const vlessResponseHeader = new Uint8Array([vlessVersion[0], 0]);
const rawClientData = chunk.slice(rawDataIndex);
// TODO: support udp here when cf runtime has udp support
if (isDns) {
const { write } = await handleUDPOutBound(webSocket, vlessResponseHeader, log);
udpStreamWrite = write;
udpStreamWrite(rawClientData);
return;
}
handleTCPOutBound(remoteSocketWapper, 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,
webSocket: client,
});
}
/**
* Handles outbound TCP connections.
*
* @param {any} remoteSocket
* @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, addressRemote, portRemote, rawClientData, webSocket, vlessResponseHeader, log,) {
/**
* Connects to a given address and port and writes data to the socket.
* @param {string} address The address to connect to.
* @param {number} port The port to connect to.
* @returns {Promise<import("@cloudflare/workers-types").Socket>} A Promise that resolves to the connected socket.
*/
async function connectAndWrite(address, port) {
/** @type {import("@cloudflare/workers-types").Socket} */
const tcpSocket = connect({
hostname: address,
port: port,
});
remoteSocket.value = tcpSocket;
log(`connected to ${address}:${port}`);
const writer = tcpSocket.writable.getWriter();
await writer.write(rawClientData); // first write, nomal is tls client hello
writer.releaseLock();
return tcpSocket;
}
/**
* Retries connecting to the remote address and port if the Cloudflare socket has no incoming data.
* @returns {Promise<void>} A Promise that resolves when the retry is complete.
*/
async function retry() {
const tcpSocket = await connectAndWrite(proxyIP || addressRemote, portRemote)
tcpSocket.closed.catch(error => {
console.log('retry tcpSocket closed error', error);
}).finally(() => {
safeCloseWebSocket(webSocket);
})
remoteSocketToWS(tcpSocket, webSocket, vlessResponseHeader, null, log);
}
const tcpSocket = await connectAndWrite(addressRemote, portRemote);
// when remoteSocket is ready, pass to websocket
// remote--> ws
remoteSocketToWS(tcpSocket, webSocket, vlessResponseHeader, retry, log);
}
/**
* Creates a readable stream from a WebSocket server, allowing for data to be read from the WebSocket.
* @param {import("@cloudflare/workers-types").WebSocket} webSocketServer The WebSocket server to create the readable stream from.
* @param {string} earlyDataHeader The header containing early data for WebSocket 0-RTT.
* @param {(info: string)=> void} log The logging function.
* @returns {ReadableStream} A readable stream that can be used to read data from the WebSocket.
*/
function makeReadableWebSocketStream(webSocketServer, earlyDataHeader, log) {
let readableStreamCancel = false;
const stream = new ReadableStream({
start(controller) {
webSocketServer.addEventListener('message', (event) => {
const message = event.data;
controller.enqueue(message);
});
webSocketServer.addEventListener('close', () => {
safeCloseWebSocket(webSocketServer);
controller.close();
});
webSocketServer.addEventListener('error', (err) => {
log('webSocketServer has error');
controller.error(err);
});
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) {
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
/**
* Processes the VLESS header buffer and returns an object with the relevant information.
* @param {ArrayBuffer} vlessBuffer The VLESS header buffer to process.
* @param {string} userID The user ID to validate against the UUID in the VLESS header.
* @returns {{
* hasError: boolean,
* message?: string,
* addressRemote?: string,
* addressType?: number,
* portRemote?: number,
* rawDataIndex?: number,
* vlessVersion?: Uint8Array,
* isUDP?: boolean
* }} An object with the relevant information extracted from the VLESS header buffer.
*/
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;
const slicedBuffer = new Uint8Array(vlessBuffer.slice(1, 17));
const slicedBufferString = stringify(slicedBuffer);
// check if userID is valid uuid or uuids split by , and contains userID in it otherwise return error message to console
const uuids = userID.includes(',') ? userID.split(",") : [userID];
// uuid_validator(hostName, slicedBufferString);
// isValidUser = uuids.some(userUuid => slicedBufferString === userUuid.trim());
isValidUser = uuids.some(userUuid => slicedBufferString === userUuid.trim()) || uuids.length === 1 && slicedBufferString === uuids[0].trim();
console.log(`userID: ${slicedBufferString}`);
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) {
isUDP = false;
} 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,
};
}
/**
* Converts a remote socket to a WebSocket connection.
* @param {import("@cloudflare/workers-types").Socket} remoteSocket The remote socket to convert.
* @param {import("@cloudflare/workers-types").WebSocket} webSocket The WebSocket to connect to.
* @param {ArrayBuffer | null} vlessResponseHeader The VLESS response header.
* @param {(() => Promise<void>) | null} retry The function to retry the connection if it fails.
* @param {(info: string) => void} log The logging function.
* @returns {Promise<void>} A Promise that resolves when the conversion is complete.
*/
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 {
// console.log(`remoteSocketToWS send chunk ${chunk.byteLength}`);
// 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 ${hasIncomingData}`);
// safeCloseWebSocket(webSocket); // no need server close websocket frist for some case will casue HTTP ERR_CONTENT_LENGTH_MISMATCH issue, client will send close event anyway.
},
abort(reason) {
console.error(`remoteConnection!.readable abort`, reason);
},
})
)
.catch((error) => {
console.error(
`remoteSocketToWS has exception `,
error.stack || error
);
safeCloseWebSocket(webSocket);
});
// seems is cf connect socket have error,
// 1. Socket.closed will have error
// 2. Socket.readable will be close without any data coming
if (hasIncomingData === false && retry) {
log(`retry`)
retry();
}
}
/**
* Decodes a base64 string into an ArrayBuffer.
* @param {string} base64Str The base64 string to decode.
* @returns {{earlyData: ArrayBuffer|null, error: Error|null}} An object containing the decoded ArrayBuffer or null if there was an error, and any error that occurred during decoding or null if there was no error.
*/
function base64ToArrayBuffer(base64Str) {
if (!base64Str) {
return { earlyData: null, error: null };
}
try {
// go use modified Base64 for URL rfc4648 which js atob not support
base64Str = base64Str.replace(/-/g, '+').replace(/_/g, '/');
const decode = decodeURIComponent(escape(atob(base64Str)));
const arryBuffer = Uint8Array.from(decode, (c) => c.charCodeAt(0));
return { earlyData: arryBuffer.buffer, error: null };
} catch (error) {
return { earlyData: null, error };
}
}
/**
* Checks if a given string is a valid UUID.
* Note: This is not a real UUID validation.
* @param {string} uuid The string to validate as a UUID.
* @returns {boolean} True if the string is a valid UUID, false otherwise.
*/
function isValidUUID(uuid) {
const uuidRegex = /^[0-9a-f]{8}-[0-9a-f]{4}-[4][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i;
return uuidRegex.test(uuid);
}
const WS_READY_STATE_OPEN = 1;
const WS_READY_STATE_CLOSING = 2;
/**
* Closes a WebSocket connection safely without throwing exceptions.
* @param {import("@cloudflare/workers-types").WebSocket} socket The WebSocket connection to close.
*/
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;
}
/**
* Handles outbound UDP traffic by transforming the data into DNS queries and sending them over a WebSocket connection.
* @param {import("@cloudflare/workers-types").WebSocket} webSocket The WebSocket connection to send the DNS queries over.
* @param {ArrayBuffer} vlessResponseHeader The VLESS response header.
* @param {(string) => void} log The logging function.
* @returns {{write: (chunk: Uint8Array) => void}} An object with a write method that accepts a Uint8Array chunk to write to the transform stream.
*/
async function handleUDPOutBound(webSocket, vlessResponseHeader, log) {
let isVlessHeaderSent = false;
const transformStream = new TransformStream({
start(controller) {
},
transform(chunk, controller) {
// udp message 2 byte is the the length of udp data
// TODO: this should have bug, beacsue maybe udp chunk can be in two websocket message
for (let index = 0; index < chunk.byteLength;) {
const lengthBuffer = chunk.slice(index, index + 2);
const udpPakcetLength = new DataView(lengthBuffer).getUint16(0);
const udpData = new Uint8Array(
chunk.slice(index + 2, index + 2 + udpPakcetLength)
);
index = index + 2 + udpPakcetLength;
controller.enqueue(udpData);
}
},
flush(controller) {
}
});
// only handle dns udp for now
transformStream.readable.pipeTo(new WritableStream({
async write(chunk) {
const resp = await fetch(dohURL, // dns server url
{
method: 'POST',
headers: {
'content-type': 'application/dns-message',
},
body: chunk,
})
const dnsQueryResult = await resp.arrayBuffer();
const udpSize = dnsQueryResult.byteLength;
// console.log([...new Uint8Array(dnsQueryResult)].map((x) => x.toString(16)));
const udpSizeBuffer = new Uint8Array([(udpSize >> 8) & 0xff, udpSize & 0xff]);
if (webSocket.readyState === WS_READY_STATE_OPEN) {
log(`doh success and dns message length is ${udpSize}`);
if (isVlessHeaderSent) {
webSocket.send(await new Blob([udpSizeBuffer, dnsQueryResult]).arrayBuffer());
} else {
webSocket.send(await new Blob([vlessResponseHeader, udpSizeBuffer, dnsQueryResult]).arrayBuffer());
isVlessHeaderSent = true;
}
}
}
})).catch((error) => {
log('dns udp has error' + error)
});
const writer = transformStream.writable.getWriter();
return {
/**
*
* @param {Uint8Array} chunk
*/
write(chunk) {
writer.write(chunk);
}
};
}
async function ADD(envadd) {
var addtext = envadd.replace(/[ |"'\r\n]+/g, ',').replace(/,+/g, ','); // 将空格、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;
}
async function getAddressesapi(api) {
if (!api || api.length === 0) {
return [];
}
let newapi = "";
// 创建一个AbortController对象，用于控制fetch请求的取消
const controller = new AbortController();
const timeout = setTimeout(() => {
controller.abort(); // 取消所有请求
}, 2000); // 2秒后触发
try {
// 使用Promise.allSettled等待所有API请求完成，无论成功或失败
// 对api数组进行遍历，对每个API地址发起fetch请求
const responses = await Promise.allSettled(api.map(apiUrl => fetch(apiUrl, {
method: 'get',
headers: {
'Accept': 'text/html,application/xhtml+xml,application/xml;',
'User-Agent': 'ansoncloud8.github.io'
},
signal: controller.signal // 将AbortController的信号量添加到fetch请求中，以便于需要时可以取消请求
}).then(response => response.ok ? response.text() : Promise.reject())));
// 遍历所有响应
for (const response of responses) {
// 检查响应状态是否为'fulfilled'，即请求成功完成
if (response.status === 'fulfilled') {
// 获取响应的内容
const content = await response.value;
newapi += content + '\n';
}
}
} catch (error) {
console.error(error);
} finally {
// 无论成功或失败，最后都清除设置的超时定时器
clearTimeout(timeout);
}
const newAddressesapi = await ADD(newapi);
// 返回处理后的结果
return newAddressesapi;
}
function generateRandomString() {
let minLength = 2;
let maxLength = 3;
let length = Math.floor(Math.random() * (maxLength - minLength + 1)) + minLength;
let characters = 'abcdefghijklmnopqrstuvwxyz';
let result = '';
for (let i = 0; i < length; i++) {
result += characters[Math.floor(Math.random() * characters.length)];
}
return result;
}
function generateUUID() {
let uuid = '';
for (let i = 0; i < 32; i++) {
let num = Math.floor(Math.random() * 16);
if (num < 10) {
uuid += num;
} else {
uuid += String.fromCharCode(num + 55);
}
}
return uuid.replace(/(.{8})(.{4})(.{4})(.{4})(.{12})/, '$1-$2-$3-$4-$5').toLowerCase();
}
function generateRandomNumber() {
let minNum = 100000;
let maxNum = 999999;
return Math.floor(Math.random() * (maxNum - minNum + 1)) + minNum;
}
function revertFakeInfo(content, userID, hostName, isBase64) {
if (isBase64) content = decodeURIComponent(escape(atob(content)));//Base64解码
content = content.replace(new RegExp(fakeUserID, 'g'), userID).replace(new RegExp(fakeHostName, 'g'), hostName);
if (isBase64) content = btoa(unescape(encodeURIComponent(content)));//Base64编码
return content;
}
/**
*
* @param {string} userID - single or comma separated userIDs
* @param {string | null} hostName
* @returns {string}
*/
function getVLESSConfig(userIDs, hostName) {
const commonUrlPart = `:443?encryption=none&security=tls&sni=${hostName}&fp=randomized&type=ws&host=${hostName}&path=%2F%3Fed%3D2048#${hostName}`;
const hashSeparator = "################################################################";
// Split the userIDs into an array
const userIDArray = userIDs.split(",");
// Prepare output string for each userID
const output = userIDArray.map((userID) => {
const vlessMain = 'vless://' + userID + '@' + hostName + commonUrlPart;
const vlessSec = 'vless://' + userID + '@' + proxyIP + commonUrlPart;
return `################################################################
telegram 交流群 技术大佬~在线交流!
t.me/AM_CLUBS
---------------------------------------------------------------
github 项目地址 Star!Star!Star!!!
https://github.com/ansoncloud8/am-tunnel
---------------------------------------------------------------
################################################################
v2ray default ip
---------------------------------------------------------------
${vlessMain}
<button onclick='copyToClipboard("${vlessMain}")'><i class="fa fa-clipboard"></i> Copy vlessMain</button>
---------------------------------------------------------------
v2ray with bestip
---------------------------------------------------------------
${vlessSec}
<button onclick='copyToClipboard("${vlessSec}")'><i class="fa fa-clipboard"></i> Copy vlessSec</button>
---------------------------------------------------------------
clash-meta
---------------------------------------------------------------
- type: vless
name: ${hostName}
server: ${hostName}
port: 443
uuid: ${userID}
network: ws
tls: true
udp: false