48 lines
1.6 KiB
Python
48 lines
1.6 KiB
Python
# -*- coding: utf-8 -*-
|
|
"""
|
|
proxy.py
|
|
~~~~~~~~
|
|
⚡⚡⚡ Fast, Lightweight, Programmable, TLS interception capable
|
|
proxy server for Application debugging, testing and development.
|
|
|
|
:copyright: (c) 2013-present by Abhinav Singh and contributors.
|
|
:license: BSD, see LICENSE for more details.
|
|
"""
|
|
from typing import Optional
|
|
|
|
from proxy.http.parser import HttpParser
|
|
from proxy.http.proxy import HttpProxyBasePlugin
|
|
from proxy.http.methods import httpMethods
|
|
from proxy.common.utils import bytes_
|
|
|
|
|
|
class ModifyPostDataPlugin(HttpProxyBasePlugin):
|
|
"""Modify POST request body before sending to upstream server."""
|
|
|
|
MODIFIED_BODY = b'{"key": "modified"}'
|
|
|
|
def before_upstream_connection(
|
|
self, request: HttpParser) -> Optional[HttpParser]:
|
|
return request
|
|
|
|
def handle_client_request(
|
|
self, request: HttpParser) -> Optional[HttpParser]:
|
|
if request.method == httpMethods.POST:
|
|
request.body = ModifyPostDataPlugin.MODIFIED_BODY
|
|
# Update Content-Length header only when request is NOT chunked
|
|
# encoded
|
|
if not request.is_chunked_encoded():
|
|
request.add_header(b'Content-Length',
|
|
bytes_(len(request.body)))
|
|
# Enforce content-type json
|
|
if request.has_header(b'Content-Type'):
|
|
request.del_header(b'Content-Type')
|
|
request.add_header(b'Content-Type', b'application/json')
|
|
return request
|
|
|
|
def handle_upstream_chunk(self, chunk: bytes) -> bytes:
|
|
return chunk
|
|
|
|
def on_upstream_connection_close(self) -> None:
|
|
pass
|