diff --git a/local/CFWFetch.py b/local/CFWFetch.py index d9569ae..e81c62b 100644 --- a/local/CFWFetch.py +++ b/local/CFWFetch.py @@ -1,5 +1,6 @@ # coding:utf-8 +import re import zlib import struct import json @@ -7,7 +8,7 @@ import random import logging import threading -from time import sleep +from time import sleep, mtime from io import BytesIO from gzip import GzipFile, _PaddedFile from collections import deque @@ -18,13 +19,16 @@ from .common.decorator import make_lock_decorator from .common.dns import dns, dns_resolve from .common.net import explode_ip +from .common.util import spawn_later +version = (0, 7) http_cfw.max_per_ip = 1 lock = threading.Lock() _lock_worker = make_lock_decorator(lock) cfw_iplist = [] class cfw_params: + server = () port = 443 ssl = True command = 'POST' @@ -44,6 +48,21 @@ class cfw_ws_params(cfw_params): command = 'GET' path = '/ws' +class cfw_detect_params: + command = 'GET' + path = '/about' + + def __init__(self, cfw_params): + self._cfw_params = cfw_params + self.headers = { + 'Host': cfw_params.host, + 'User-Agent': 'GotoX/ls/0.7', + 'Accept-Encoding': 'br', + } + + def __getattr__(self, name): + return getattr(self._cfw_params, name) + cfw_options = {} if GC.CFW_PASSWORD: cfw_options['password'] = GC.CFW_PASSWORD @@ -58,6 +77,47 @@ class cfw_ws_params(cfw_params): cfw_paramses = [cfw_params] cfw_ws_paramses = [cfw_ws_params] +def fetch_server_version(): + set_dns() + errors = [] + for worker_params in cfw_paramses: + noerror = True + response = None + try: + worker_detect_params = cfw_detect_params(worker_params) + response = http_cfw.request(worker_detect_params, headers=worker_detect_params.headers, + connection_cache_key=worker_params.connection_cache_key) + if response.status != 200: + logging.warning('CFW [%s] 版本检测失败：%d', worker_params.host, response.status) + continue + content = decompress_readers['br'](response).read() + ver = re.search(b'GotoX remote server ([\d\.]+) in CloudFlare Workers', content) + if ver: + ver = ver.groups()[0].decode() + worker_params.server = server = tuple(map(int, ver.split('.'))) + if server < version: + logging.warning('CFW [%s] 版本低于本地服务端：%s，建议更新', worker_params.host, ver) + elif server > version: + logging.warning('CFW [%s] 版本高于本地服务端：%s，可能无法正常工作', worker_params.host, ver) + else: + logging.test('CFW [%s] 版本匹配本地服务端：%s', worker_params.host, ver) + else: + logging.error('CFW [%s] 没有检测到任何版本信息，请检查配置信息是否正确', worker_params.host) + except Exception as e: + noerror = False + errors.append(e) + finally: + if noerror and response: + response.close() + if GC.CFW_KEEPALIVE: + http_cfw.ssl_connection_cache[worker_params.connection_cache_key].append((mtime(), response.sock)) + else: + response.sock.close() + if errors: + raise errors[0] + +spawn_later(10, fetch_server_version) + @_lock_worker def get_worker_params(f=None): worker_paramses = f == 'ws' and cfw_ws_paramses or cfw_paramses @@ -177,8 +237,15 @@ def cfw_fetch(method, host, url, headers, payload=b'', options=None): metadata = ['%s %s' % (method, url)] metadata += ['%s\t%s' % header for header in headers.items()] metadata = '\n'.join(metadata).encode() - metadata = zlib.compress(metadata)[2:-4] - metadata = struct.pack('!h', len(metadata)) + metadata + worker_params = get_worker_params() + if worker_params.server >= (0, 7): + deflated = len(metadata) > 3000 + if deflated: + metadata = zlib.compress(metadata)[2:-4] + metadata = struct.pack('!H', deflated and len(metadata) | 0x8000 or len(metadata)) + metadata + else: + metadata = zlib.compress(metadata)[2:-4] + metadata = struct.pack('!H', len(metadata)) + metadata length = len(metadata) + int(headers.get('Content-Length', 0)) if payload: if hasattr(payload, 'read'): @@ -195,10 +262,9 @@ def cfw_fetch(method, host, url, headers, payload=b'', options=None): options_str = json.dumps(_options) else: options_str = cfw_options_str - worker_params = get_worker_params() request_headers = { 'Host': worker_params.host, - 'User-Agent': 'GotoX/ls/0.6', + 'User-Agent': 'GotoX/ls/0.7', 'Accept-Encoding': ae, 'Content-Length': str(length), 'X-Fetch-Options': options_str, diff --git a/remote/cloudflare_workers/README.md b/remote/cloudflare_workers/README.md index 7741eef..261df6e 100644 --- a/remote/cloudflare_workers/README.md +++ b/remote/cloudflare_workers/README.md @@ -1,4 +1,4 @@ -0.6 测试版，支持基本的 HTTP 方法和 WebSocket。 +0.7 测试版，支持基本的 HTTP 方法和 WebSocket。 此代理采用中间人方法实现代理，正常使用需要安装自签证书，运行 GotoX 并设置好代理，访问 http://gotox.go 安装证书。 diff --git a/remote/cloudflare_workers/index.js b/remote/cloudflare_workers/index.js index 426c729..ad8afe1 100644 --- a/remote/cloudflare_workers/index.js +++ b/remote/cloudflare_workers/index.js @@ -2,7 +2,7 @@ const about = ` /****************************************************************************** - * GotoX remote server 0.6 in CloudFlare Workers + * GotoX remote server 0.7 in CloudFlare Workers * https://github.com/SeaHOH/GotoX * The MIT License - Copyright (c) 2020 SeaHOH * @@ -16,9 +16,11 @@ const about = ` * * Body * +------------+ - * | 2 bytes | <- deflated request metadata length in uint16 + * | | a number in uint16, the 1st bit marked + * | 2 bytes | <- whether the request metadata is deflated, + * | | and rest marked its length * +------------+ - * | some bytes | <- raw deflated request metadata + * | some bytes | <- request metadata (raw deflated or not) * +------------+ * | others ... | <- origin request body, if has * +------------+ @@ -167,7 +169,8 @@ async function handleRequest(request) { const response = await fetch(await readRequest(request, fetchOptions), { redirect: fetchOptions.redirect ? 'follow' : 'manual', cf: { - scrapeShield: false, // 设置无效果 + apps: false, + scrapeShield: false, // 设置无效果，电邮地址仍然会混淆 polish: 'off', minify: {javascript: false, css: false, html: false}, mirage: false, @@ -246,24 +249,26 @@ async function handleRequest(request) { * @return {Request} */ async function readRequest(request, fetchOptions) { - // 根据从第一块数据读取的尺寸为压缩数据分配空间 + // 为代理请求数据分配空间 const bodyReader = request.body.getReader() let {value: chunk, done: readerDone} = await bodyReader.read() - const requestMetedataLength = new DataView(chunk.buffer, 0, 2).getUint16() - const deflatedBytes = new Uint8Array(requestMetedataLength) + let requestMetedataLength = new DataView(chunk.buffer, 0, 2).getUint16() + const deflated = requestMetedataLength > 0x8000 + requestMetedataLength &= 0x7FFF + let requestMetedataBytes = new Uint8Array(requestMetedataLength) - // 读取压缩数据 + // 读取 let offset = 0, left = requestMetedataLength chunk = chunk.subarray(2) do { if (chunk.length <= left) { - deflatedBytes.set(chunk, offset) + requestMetedataBytes.set(chunk, offset) offset += chunk.length left -= chunk.length chunk = nullChunk } else { - deflatedBytes.set(chunk.subarray(0, left), offset) + requestMetedataBytes.set(chunk.subarray(0, left), offset) chunk = chunk.subarray(left) break } @@ -271,10 +276,12 @@ async function readRequest(request, fetchOptions) { ({value: chunk, done: readerDone} = await bodyReader.read()) } while (left && chunk.length) - // 解压缩数据 - const requestMetadata = new TextDecoder().decode(new Zlib.RawInflate(deflatedBytes).decompress()) + // 转换 + if (deflated) + requestMetedataBytes = inflateRaw(requestMetedataBytes) + const requestMetadata = new TextDecoder().decode(requestMetedataBytes) - // 解析代理请求 + // 解析 const [requestLine, ...requestHeadersStrings] = requestMetadata.split('\n') const [requestMethod, url] = requestLine.split(' ') if (['CONNECT', 'TRACE', 'TRACK'].includes(requestMethod)) @@ -353,7 +360,16 @@ async function pipeStream(reader, writer, 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