From 6ef7c3276c308ba12b80e22068de422247fdb4b9 Mon Sep 17 00:00:00 2001 From: Adam Tauber Date: Tue, 16 Jun 2015 19:55:31 +0200 Subject: [PATCH] [fix] reverse proxy non-root url fix --- searx/webapp.py | 41 ++++++++++++++++++++++++++++++++++++++--- 1 file changed, 38 insertions(+), 3 deletions(-) diff --git a/searx/webapp.py b/searx/webapp.py index dbcbb4c0..15f769a3 100644 --- a/searx/webapp.py +++ b/searx/webapp.py @@ -781,10 +781,45 @@ def run(): ) +class ReverseProxyPathFix(object): + '''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 app: the WSGI application + ''' + def __init__(self, app): + self.app = app + + def __call__(self, environ, start_response): + script_name = 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 = environ.get('HTTP_X_SCHEME', '') + if scheme: + environ['wsgi.url_scheme'] = scheme + return self.app(environ, start_response) + + application = app - -app.wsgi_app = ProxyFix(application.wsgi_app) - +# patch app to handle non root url-s behind proxy & wsgi +app.wsgi_app = ReverseProxyPathFix(ProxyFix(application.wsgi_app)) if __name__ == "__main__": run()