Systemsicherheit/Assignment 4 - Protokollsicherheit (Praxis)/proxy/proxymodules/http_strip.py

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2024-05-25 10:25:40 +02:00
#!/usr/bin/env python3
import os.path as path
class Module:
def __init__(self, incoming=False, verbose=False, options=None):
# extract the file name from __file__. __file__ is proxymodules/name.py
self.name = path.splitext(path.basename(__file__))[0]
self.description = 'Remove HTTP header from data'
self.incoming = incoming # incoming means module is on -im chain
def detect_linebreak(self, data):
line = data.split(b'\n', 1)[0]
if line.endswith(b'\r'):
return b'\r\n' * 2
else:
return b'\n' * 2
def execute(self, data):
delimiter = self.detect_linebreak(data)
if delimiter in data:
data = data.split(delimiter, 1)[1]
return data
if __name__ == '__main__':
print('This module is not supposed to be executed alone!')