我正在使用 Python 和 Flask 库创建一个 API。我在使用 SSL 时遇到一些问题。我在 Ubuntu 16.04.6 LTS 服务器上运行 API。
from flask import Flask
from flask import request
from OpenSSL import SSL
context = SSL.Context(SSL.PROTOCOL_TLSv1_2)
context.load_cert_chain('PATH_TO_PUBLIC_KEY','PATH_TO_PRIVATE_KEY')
@app.route('/example', methods=['POST'])
def sayHallo():
return "Hallo!"
if __name__ == '__main__':
serving.run_simple("0.0.0.0", 5000, app, ssl_context=context)
API 及其连接使用 http 工作,但在代码中添加 SSL 会出现错误:
Traceback (most recent call last):
File "/usr/local/bin/flask", line 11, in <module>
sys.exit(main())
File "/usr/local/lib/python2.7/dist-packages/flask/cli.py", line 966, in main
cli.main(prog_name="python -m flask" if as_module else None)
File "/usr/local/lib/python2.7/dist-packages/flask/cli.py", line 586, in main
return super(FlaskGroup, self).main(*args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 717, in main
rv = self.invoke(ctx)
File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 1137, in inv oke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 956, in invo ke
return ctx.invoke(self.callback, **ctx.params)
File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 555, in invo ke
return callback(*args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/click/decorators.py", line 64, in new_func
return ctx.invoke(f, obj, *args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 555, in invo ke
return callback(*args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/flask/cli.py", line 848, in run_c ommand
app = DispatchingApp(info.load_app, use_eager_loading=eager_loading)
File "/usr/local/lib/python2.7/dist-packages/flask/cli.py", line 305, in __ini t__
self._load_unlocked()
File "/usr/local/lib/python2.7/dist-packages/flask/cli.py", line 330, in _load _unlocked
self._app = rv = self.loader()
File "/usr/local/lib/python2.7/dist-packages/flask/cli.py", line 388, in load_ app
app = locate_app(self, import_name, name)
File "/usr/local/lib/python2.7/dist-packages/flask/cli.py", line 240, in locat e_app
__import__(module_name)
File "/var/www/api/app.py", line 7, in <module>
context = SSL.Context(SSL.PROTOCOL_TLSv1_2)
AttributeError: 'module' object has no attribute 'PROTOCOL_TLSv1_2'
最佳答案
根据[PyOpenSSL]: class OpenSSL.SSL.Context(method) :
Parameters: method - One of SSLv2_METHOD, SSLv3_METHOD, SSLv23_METHOD, or TLSv1_METHOD.
所以,你应该使用:
context = SSL.Context(SSL.TLSv1_2_METHOD)
关于python - 如何解决使用 PROTOCOL_TLSv1_2 的 SSL 错误?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/60494517/