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130 lines
4.3 KiB
Python
130 lines
4.3 KiB
Python
# -*- coding: utf-8 -*-
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"""让中转服务在局域网里也能访问,并公布当前隧道地址。
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解决的实际问题:
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匿名隧道每次重启都换地址。用户怎么知道新地址是什么?
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现在只能 SSH 上去 cat public_url.txt —— 太麻烦。
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做法:
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1. 中转改绑 0.0.0.0:8080(局域网可达)
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2. 加 GET /url —— 纯文本返回当前公网地址,不需要登录
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3. 管理页顶部大字显示当前地址
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于是用户只要记住一个**局域网**地址:
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http://192.168.2.156:8080/url
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打开就能看到当前隧道地址,永远不用问人。
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安全说明:
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/url 只暴露"隧道地址"这一个信息,不含配对码、设备、流量。
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地址本来就是要给手表填的,不算秘密。
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设备列表、配对码这些仍然要登录(密码 120830)。
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"""
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from __future__ import annotations
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import sys
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from pathlib import Path
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RELAY = Path(r"C:\Users\shu\Desktop\deepseekagent\LanRemote\relay\relay.py")
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# ---------------- 1. public_url() 读取地址 ----------------
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ANCHOR = "def log(message: str) -> None:"
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NEW = '''def public_url() -> str:
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"""当前隧道的公网地址。
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隧道换地址时会写进 public_url.txt(tunnel-run.sh 负责维护)。
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这里几个可能的位置都找一下,找到第一个像地址的就返回。
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"""
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candidates = [
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DATA_DIR.parent / "public_url.txt",
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DATA_DIR / "public_url.txt",
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Path("/root/lanremote-relay/public_url.txt"),
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]
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for path in candidates:
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try:
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if not path.is_file():
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continue
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text = path.read_text(encoding="utf-8").strip()
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if text.startswith("http"):
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return text
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except OSError:
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continue
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return ""
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''' + ANCHOR
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# ---------------- 2. GET /url ----------------
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GET_OLD = ''' if path in ("/v1/health", "/health"):'''
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GET_NEW = ''' # 当前公网地址。故意不需要登录 ——
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# 地址本来就要填到手表里,不是秘密;而且隧道换地址时
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# 用户就是靠这个页面知道新地址的。
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if path in ("/url", "/v1/url"):
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url = public_url()
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body = (url or "(还没有地址,隧道可能没起来)") + "\\n"
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self._send(200, body.encode("utf-8"),
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"text/plain; charset=utf-8")
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return
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if path in ("/v1/health", "/health"):'''
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# ---------------- 3. 管理页显示地址 ----------------
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ADMIN_OLD = '''<div class=sub>版本 {snap['version']} · 已运行 {_uptime(snap['uptimeSeconds'])} ·
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本进程内存 {snap['memoryKB'] // 1024} MB</div>'''
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ADMIN_NEW = '''<div class=sub>版本 {snap['version']} · 已运行 {_uptime(snap['uptimeSeconds'])} ·
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本进程内存 {snap['memoryKB'] // 1024} MB</div>
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<div class="card" style="margin-bottom:18px">
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<div class=t>当前公网地址(手表「中转设置」里填这个)</div>
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<div class=n style="font-size:15px;word-break:break-all;
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font-family:ui-monospace,Consolas,monospace">
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{_esc(public_url() or "(还没有地址,隧道可能没起来)")}
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</div>
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</div>'''
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def main() -> int:
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text = RELAY.read_text(encoding="utf-8")
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ok = True
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if "def public_url(" in text:
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print(" 已经加过 /url")
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return 0
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for old, new, tag in ((ANCHOR, NEW, "public_url() 读取地址"),
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(GET_OLD, GET_NEW, "GET /url 接口"),
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(ADMIN_OLD, ADMIN_NEW, "管理页显示地址")):
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if old not in text:
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print(f" [失败] {tag} —— 锚点没找到")
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ok = False
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continue
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text = text.replace(old, new, 1)
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print(f" {tag}")
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RELAY.write_text(text, encoding="utf-8", newline="\n")
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import ast
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try:
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ast.parse(text)
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print(" 语法 OK")
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except SyntaxError as exc:
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print(f" 语法错误: {exc}")
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ok = False
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# 模块级函数齐不齐
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tree = ast.parse(text)
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defined = {n.name for n in tree.body
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if isinstance(n, (ast.FunctionDef, ast.AsyncFunctionDef))}
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if "public_url" not in defined:
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print(" [失败] public_url 没定义成功")
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ok = False
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return 0 if ok else 1
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if __name__ == "__main__":
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sys.exit(main())
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