通过“pyngrok”安装“ngrok”时出现 SSL 问题

Question

from pyngrok import ngrok
public_url = ngrok.connect(5000).public_url

我从 twilio 的文档中获取了这两行代码，用于自动化 ngrok 连接。基本上，我只是尝试建立连接并将 Web url 用作 Webhook。但我的日志不断给我这个错误：

Downloading ngrok ...
Traceback (most recent call last):
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.9_3.9.2032.0_x64__qbz5n2kfra8p0\lib\urllib\request.py", line 1346, in do_open
    h.request(req.get_method(), req.selector, req.data, headers,
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.9_3.9.2032.0_x64__qbz5n2kfra8p0\lib\http\client.py", line 1279, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.9_3.9.2032.0_x64__qbz5n2kfra8p0\lib\http\client.py", line 1325, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.9_3.9.2032.0_x64__qbz5n2kfra8p0\lib\http\client.py", line 1274, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.9_3.9.2032.0_x64__qbz5n2kfra8p0\lib\http\client.py", line 1034, in _send_output
    self.send(msg)
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.9_3.9.2032.0_x64__qbz5n2kfra8p0\lib\http\client.py", line 974, in send
    self.connect()
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.9_3.9.2032.0_x64__qbz5n2kfra8p0\lib\http\client.py", line 1448, in connect
    self.sock = self._context.wrap_socket(self.sock,
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.9_3.9.2032.0_x64__qbz5n2kfra8p0\lib\ssl.py", line 500, in wrap_socket
    return self.sslsocket_class._create(
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.9_3.9.2032.0_x64__qbz5n2kfra8p0\lib\ssl.py", line 1040, in _create
    self.do_handshake()
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.9_3.9.2032.0_x64__qbz5n2kfra8p0\lib\ssl.py", line 1309, in do_handshake
    self._sslobj.do_handshake()
ssl.SSLCertVerificationError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:1129)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\Vic\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\pyngrok\installer.py", line 94, in install_ngrok
    download_path = _download_file(url, **kwargs)
  File "C:\Users\Vic\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\pyngrok\installer.py", line 215, in _download_file
    response = urlopen(url, **kwargs)
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.9_3.9.2032.0_x64__qbz5n2kfra8p0\lib\urllib\request.py", line 214, in urlopen
    return opener.open(url, data, timeout)
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.9_3.9.2032.0_x64__qbz5n2kfra8p0\lib\urllib\request.py", line 517, in open
    response = self._open(req, data)
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.9_3.9.2032.0_x64__qbz5n2kfra8p0\lib\urllib\request.py", line 534, in _open
    result = self._call_chain(self.handle_open, protocol, protocol +
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.9_3.9.2032.0_x64__qbz5n2kfra8p0\lib\urllib\request.py", line 494, in _call_chain
    result = func(*args)
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.9_3.9.2032.0_x64__qbz5n2kfra8p0\lib\urllib\request.py", line 1389, in https_open
    return self.do_open(http.client.HTTPSConnection, req,
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.9_3.9.2032.0_x64__qbz5n2kfra8p0\lib\urllib\request.py", line 1349, in do_open
    raise URLError(err)
urllib.error.URLError: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:1129)>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "d:\Files\School\Linkdemic\Linkdemic\try.py", line 3, in <module>
    phttp_tunnel = ngrok.connect()
  File "C:\Users\Vic\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\pyngrok\ngrok.py", line 251, in connect
    api_url = get_ngrok_process(pyngrok_config).api_url
  File "C:\Users\Vic\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\pyngrok\ngrok.py", line 160, in get_ngrok_process
    install_ngrok(pyngrok_config)
  File "C:\Users\Vic\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\pyngrok\ngrok.py", line 98, in install_ngrok
    installer.install_ngrok(pyngrok_config.ngrok_path)
  File "C:\Users\Vic\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\pyngrok\installer.py", line 98, in install_ngrok
    raise PyngrokNgrokInstallError("An error occurred while downloading ngrok from {}: {}".format(url, e))
pyngrok.exception.PyngrokNgrokInstallError: An error occurred while downloading ngrok from https://bin.equinox.io/c/4VmDzA7iaHb/ngrok-stable-windows-amd64.zip: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:1129)>

它可以在我同事的计算机上运行，​​但不能在我的计算机上运行。我不确定错误是什么

Answer 1

当您使用某些代理或 VPN 时，这可能会在 Python 中出现。不过，您可以轻松解决此问题，因为install_ngrok()拍摄内容kwargs会传递到urlopen，如此处所述。

有多种方法可以解决此问题，因为它并不特定于任何一个 Python 包，但如果绕过 SSL 验证对您的应用程序来说是一种可接受的安全风险，那么这里有一个执行此操作的示例pyngrok（也在本期中突出显示）：

import ssl
from pyngrok import ngrok, conf, installer

pyngrok_config = conf.get_default()

if not os.path.exists(pyngrok_config.ngrok_path):
    myssl = ssl.create_default_context();
    myssl.check_hostname=False
    myssl.verify_mode=ssl.CERT_NONE
    installer.install_ngrok(pyngrok_config.ngrok_path, context=context)

public_url = ngrok.connect(5000).public_url