mirror of
https://github.com/searxng/searxng.git
synced 2024-12-27 11:40:29 +00:00
3d96a9839a
This patch was generated by black [1]::
make format.python
[1] https://github.com/psf/black
Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
78 lines
2.6 KiB
Python
78 lines
2.6 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
|
|
# lint: pylint
|
|
# pylint: disable=missing-module-docstring
|
|
|
|
from urllib.parse import urlparse
|
|
|
|
from werkzeug.middleware.proxy_fix import ProxyFix
|
|
from werkzeug.serving import WSGIRequestHandler
|
|
|
|
from searx import settings
|
|
|
|
|
|
class ReverseProxyPathFix:
|
|
'''Wrap the application in this middleware and configure the
|
|
front-end server to add these headers, to let you quietly bind
|
|
this to a URL other than / and to an HTTP scheme that is
|
|
different than what is used locally.
|
|
|
|
http://flask.pocoo.org/snippets/35/
|
|
|
|
In nginx:
|
|
location /myprefix {
|
|
proxy_pass http://127.0.0.1:8000;
|
|
proxy_set_header Host $host;
|
|
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
|
|
proxy_set_header X-Scheme $scheme;
|
|
proxy_set_header X-Script-Name /myprefix;
|
|
}
|
|
|
|
:param wsgi_app: the WSGI application
|
|
'''
|
|
|
|
# pylint: disable=too-few-public-methods
|
|
|
|
def __init__(self, wsgi_app):
|
|
|
|
self.wsgi_app = wsgi_app
|
|
self.script_name = None
|
|
self.scheme = None
|
|
self.server = None
|
|
|
|
if settings['server']['base_url']:
|
|
|
|
# If base_url is specified, then these values from are given
|
|
# preference over any Flask's generics.
|
|
|
|
base_url = urlparse(settings['server']['base_url'])
|
|
self.script_name = base_url.path
|
|
if self.script_name.endswith('/'):
|
|
# remove trailing slash to avoid infinite redirect on the index
|
|
# see https://github.com/searx/searx/issues/2729
|
|
self.script_name = self.script_name[:-1]
|
|
self.scheme = base_url.scheme
|
|
self.server = base_url.netloc
|
|
|
|
def __call__(self, environ, start_response):
|
|
script_name = self.script_name or environ.get('HTTP_X_SCRIPT_NAME', '')
|
|
if script_name:
|
|
environ['SCRIPT_NAME'] = script_name
|
|
path_info = environ['PATH_INFO']
|
|
if path_info.startswith(script_name):
|
|
environ['PATH_INFO'] = path_info[len(script_name) :]
|
|
|
|
scheme = self.scheme or environ.get('HTTP_X_SCHEME', '')
|
|
if scheme:
|
|
environ['wsgi.url_scheme'] = scheme
|
|
|
|
server = self.server or environ.get('HTTP_X_FORWARDED_HOST', '')
|
|
if server:
|
|
environ['HTTP_HOST'] = server
|
|
return self.wsgi_app(environ, start_response)
|
|
|
|
|
|
def patch_application(app):
|
|
# serve pages with HTTP/1.1
|
|
WSGIRequestHandler.protocol_version = "HTTP/{}".format(settings['server']['http_protocol_version'])
|
|
# patch app to handle non root url-s behind proxy & wsgi
|
|
app.wsgi_app = ReverseProxyPathFix(ProxyFix(app.wsgi_app))
|