mirror of
https://github.com/Grasscutters/mitmproxy.git
synced 2024-11-23 00:01:36 +00:00
8021427ab9
* Fixes - #1555 sslstrip.py flow.response.headers * #1557 - add enhancements in inline script sslstrip.py with upgrade-insecure-requests stripping * #1557 - update to match python style guide * #1555, #1556, update to a bytes pattern
49 lines
2.0 KiB
Python
49 lines
2.0 KiB
Python
import re
|
|
from six.moves import urllib
|
|
|
|
# set of SSL/TLS capable hosts
|
|
secure_hosts = set()
|
|
|
|
|
|
def request(flow):
|
|
flow.request.headers.pop('If-Modified-Since', None)
|
|
flow.request.headers.pop('Cache-Control', None)
|
|
|
|
# do not force https redirection
|
|
flow.request.headers.pop('Upgrade-Insecure-Requests', None)
|
|
|
|
# proxy connections to SSL-enabled hosts
|
|
if flow.request.pretty_host in secure_hosts:
|
|
flow.request.scheme = 'https'
|
|
flow.request.port = 443
|
|
|
|
|
|
def response(flow):
|
|
flow.response.headers.pop('Strict-Transport-Security', None)
|
|
flow.response.headers.pop('Public-Key-Pins', None)
|
|
|
|
# strip links in response body
|
|
flow.response.content = flow.response.content.replace('https://', 'http://')
|
|
|
|
# strip meta tag upgrade-insecure-requests in response body
|
|
csp_meta_tag_pattern = b'<meta.*http-equiv=["\']Content-Security-Policy[\'"].*upgrade-insecure-requests.*?>'
|
|
flow.response.content = re.sub(csp_meta_tag_pattern, b'', flow.response.content, flags=re.IGNORECASE)
|
|
|
|
# strip links in 'Location' header
|
|
if flow.response.headers.get('Location', '').startswith('https://'):
|
|
location = flow.response.headers['Location']
|
|
hostname = urllib.parse.urlparse(location).hostname
|
|
if hostname:
|
|
secure_hosts.add(hostname)
|
|
flow.response.headers['Location'] = location.replace('https://', 'http://', 1)
|
|
|
|
# strip upgrade-insecure-requests in Content-Security-Policy header
|
|
if re.search('upgrade-insecure-requests', flow.response.headers.get('Content-Security-Policy', ''), flags=re.IGNORECASE):
|
|
csp = flow.response.headers['Content-Security-Policy']
|
|
flow.response.headers['Content-Security-Policy'] = re.sub('upgrade-insecure-requests[;\s]*', '', csp, flags=re.IGNORECASE)
|
|
|
|
# strip secure flag from 'Set-Cookie' headers
|
|
cookies = flow.response.headers.get_all('Set-Cookie')
|
|
cookies = [re.sub(r';\s*secure\s*', '', s) for s in cookies]
|
|
flow.response.headers.set_all('Set-Cookie', cookies)
|