dify/api/core/helper/ssrf_proxy.py
2024-05-14 16:01:23 +08:00

66 lines
2.1 KiB
Python

"""
Proxy requests to avoid SSRF
"""
import os
from httpx import get as _get
from httpx import head as _head
from httpx import options as _options
from httpx import patch as _patch
from httpx import post as _post
from httpx import put as _put
from requests import delete as _delete
SSRF_PROXY_HTTP_URL = os.getenv('SSRF_PROXY_HTTP_URL', '')
SSRF_PROXY_HTTPS_URL = os.getenv('SSRF_PROXY_HTTPS_URL', '')
requests_proxies = {
'http': SSRF_PROXY_HTTP_URL,
'https': SSRF_PROXY_HTTPS_URL
} if SSRF_PROXY_HTTP_URL and SSRF_PROXY_HTTPS_URL else None
httpx_proxies = {
'http://': SSRF_PROXY_HTTP_URL,
'https://': SSRF_PROXY_HTTPS_URL
} if SSRF_PROXY_HTTP_URL and SSRF_PROXY_HTTPS_URL else None
def get(url, *args, **kwargs):
return _get(url=url, *args, proxies=httpx_proxies, **kwargs)
def post(url, *args, **kwargs):
return _post(url=url, *args, proxies=httpx_proxies, **kwargs)
def put(url, *args, **kwargs):
return _put(url=url, *args, proxies=httpx_proxies, **kwargs)
def patch(url, *args, **kwargs):
return _patch(url=url, *args, proxies=httpx_proxies, **kwargs)
def delete(url, *args, **kwargs):
if 'follow_redirects' in kwargs:
if kwargs['follow_redirects']:
kwargs['allow_redirects'] = kwargs['follow_redirects']
kwargs.pop('follow_redirects')
if 'timeout' in kwargs:
timeout = kwargs['timeout']
if timeout is None:
kwargs.pop('timeout')
elif isinstance(timeout, tuple):
# check length of tuple
if len(timeout) == 2:
kwargs['timeout'] = timeout
elif len(timeout) == 1:
kwargs['timeout'] = timeout[0]
elif len(timeout) > 2:
kwargs['timeout'] = (timeout[0], timeout[1])
else:
kwargs['timeout'] = (timeout, timeout)
return _delete(url=url, *args, proxies=requests_proxies, **kwargs)
def head(url, *args, **kwargs):
return _head(url=url, *args, proxies=httpx_proxies, **kwargs)
def options(url, *args, **kwargs):
return _options(url=url, *args, proxies=httpx_proxies, **kwargs)