Python Twisted代理-如何拦截数据包

发布于 2024-12-29 18:54:56 字数 504 浏览 2 评论 0原文

我正在尝试使用 Python 打印出 HTTP 响应的正文。

到目前为止，这是我的代码：

from twisted.web import proxy, http
from twisted.internet import reactor
from twisted.python import log
import sys

log.startLogging(sys.stdout)

class ProxyFactory(http.HTTPFactory):
  protocol=proxy.Proxy

reactor.listenTCP(8080, ProxyFactory())
reactor.run()

当我将浏览器连接到 localhost:8080 时，我可以看到我的所有请求都通过本地运行的 Python 代理进行定向。但是我如何 1) 打印出响应正文并 2) 在将响应正文发送回浏览器之前对其进行编辑？

我希望有人能给我指出正确的方向——请记住，我对 Python 还很陌生！

原文

I'm trying to print out the body of a HTTP response using Python.

Here is my code sofar:

from twisted.web import proxy, http
from twisted.internet import reactor
from twisted.python import log
import sys

log.startLogging(sys.stdout)

class ProxyFactory(http.HTTPFactory):
  protocol=proxy.Proxy

reactor.listenTCP(8080, ProxyFactory())
reactor.run()

When I connect my browser to localhost:8080, I can see that all my requests are being directed through the Python proxy running locally. But how do I 1) print out response body and 2) edit the response body before sending it back to the browser?

I hope someone can point me in the right direction - please bear in mind that I'm very new to Python!

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在风中等你 2025-01-05 18:54:56

覆盖协议的 dataReceived 方法（代理.Proxy 在你的情况下）并处理该方法中的数据修改：

from twisted.web import proxy, http
from twisted.internet import reactor
from twisted.python import log
import sys

log.startLogging(sys.stdout)

class MyProxy(proxy.Proxy):
    def dataReceived(self, data):

      # Modify the data here
      print data

      # perform the default functionality on modified data 
      return proxy.Proxy.dataReceived(self, data)

class ProxyFactory(http.HTTPFactory):
  protocol=MyProxy

factory = ProxyFactory()
reactor.listenTCP(8080, factory)
reactor.run()

Override the dataReceived method of a protocol (proxy.Proxy in your case) and handle the data modification in that method:

from twisted.web import proxy, http
from twisted.internet import reactor
from twisted.python import log
import sys

log.startLogging(sys.stdout)

class MyProxy(proxy.Proxy):
    def dataReceived(self, data):

      # Modify the data here
      print data

      # perform the default functionality on modified data 
      return proxy.Proxy.dataReceived(self, data)

class ProxyFactory(http.HTTPFactory):
  protocol=MyProxy

factory = ProxyFactory()
reactor.listenTCP(8080, factory)
reactor.run()

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