From fc1a87f617a60de29552c8196a7f08050bb60ce5 Mon Sep 17 00:00:00 2001
From: Aaron Dewes <aaron.dewes@protonmail.com>
Date: Mon, 24 Oct 2022 11:50:52 +0200
Subject: [PATCH] Remove unused proxy_fix (#1007)

---
 lnbits/app.py       |  1 -
 lnbits/proxy_fix.py | 95 ---------------------------------------------
 2 files changed, 96 deletions(-)
 delete mode 100644 lnbits/proxy_fix.py

diff --git a/lnbits/app.py b/lnbits/app.py
index 8b9cf7985..075828ef0 100644
--- a/lnbits/app.py
+++ b/lnbits/app.py
@@ -91,7 +91,6 @@ def create_app(config_object="lnbits.settings") -> FastAPI:
         )
 
     app.add_middleware(GZipMiddleware, minimum_size=1000)
-    # app.add_middleware(ASGIProxyFix)
 
     check_funding_source(app)
     register_assets(app)
diff --git a/lnbits/proxy_fix.py b/lnbits/proxy_fix.py
deleted file mode 100644
index 897835e0d..000000000
--- a/lnbits/proxy_fix.py
+++ /dev/null
@@ -1,95 +0,0 @@
-from functools import partial
-from typing import Callable, List, Optional
-from urllib.parse import urlparse
-from urllib.request import parse_http_list as _parse_list_header
-
-from quart import Request
-from quart_trio.asgi import TrioASGIHTTPConnection
-from werkzeug.datastructures import Headers
-
-
-class ASGIProxyFix(TrioASGIHTTPConnection):
-    def _create_request_from_scope(self, send: Callable) -> Request:
-        headers = Headers()
-        headers["Remote-Addr"] = (self.scope.get("client") or ["<local>"])[0]
-        for name, value in self.scope["headers"]:
-            headers.add(name.decode("latin1").title(), value.decode("latin1"))
-        if self.scope["http_version"] < "1.1":
-            headers.setdefault("Host", self.app.config["SERVER_NAME"] or "")
-
-        path = self.scope["path"]
-        path = path if path[0] == "/" else urlparse(path).path
-
-        x_proto = self._get_real_value(1, headers.get("X-Forwarded-Proto"))
-        if x_proto:
-            self.scope["scheme"] = x_proto
-
-        x_host = self._get_real_value(1, headers.get("X-Forwarded-Host"))
-        if x_host:
-            headers["host"] = x_host.lower()
-
-        return self.app.request_class(
-            self.scope["method"],
-            self.scope["scheme"],
-            path,
-            self.scope["query_string"],
-            headers,
-            self.scope.get("root_path", ""),
-            self.scope["http_version"],
-            max_content_length=self.app.config["MAX_CONTENT_LENGTH"],
-            body_timeout=self.app.config["BODY_TIMEOUT"],
-            send_push_promise=partial(self._send_push_promise, send),
-            scope=self.scope,
-        )
-
-    def _get_real_value(self, trusted: int, value: Optional[str]) -> Optional[str]:
-        """Get the real value from a list header based on the configured
-        number of trusted proxies.
-        :param trusted: Number of values to trust in the header.
-        :param value: Comma separated list header value to parse.
-        :return: The real value, or ``None`` if there are fewer values
-            than the number of trusted proxies.
-        .. versionchanged:: 1.0
-            Renamed from ``_get_trusted_comma``.
-        .. versionadded:: 0.15
-        """
-        if not (trusted and value):
-            return None
-
-        values = self.parse_list_header(value)
-        if len(values) >= trusted:
-            return values[-trusted]
-
-        return None
-
-    def parse_list_header(self, value: str) -> List[str]:
-        result = []
-        for item in _parse_list_header(value):
-            if item[:1] == item[-1:] == '"':
-                item = self.unquote_header_value(item[1:-1])
-            result.append(item)
-        return result
-
-    def unquote_header_value(self, value: str, is_filename: bool = False) -> str:
-        r"""Unquotes a header value.  (Reversal of :func:`quote_header_value`).
-        This does not use the real unquoting but what browsers are actually
-        using for quoting.
-        .. versionadded:: 0.5
-        :param value: the header value to unquote.
-        :param is_filename: The value represents a filename or path.
-        """
-        if value and value[0] == value[-1] == '"':
-            # this is not the real unquoting, but fixing this so that the
-            # RFC is met will result in bugs with internet explorer and
-            # probably some other browsers as well.  IE for example is
-            # uploading files with "C:\foo\bar.txt" as filename
-            value = value[1:-1]
-
-            # if this is a filename and the starting characters look like
-            # a UNC path, then just return the value without quotes.  Using the
-            # replace sequence below on a UNC path has the effect of turning
-            # the leading double slash into a single slash and then
-            # _fix_ie_filename() doesn't work correctly.  See #458.
-            if not is_filename or value[:2] != "\\\\":
-                return value.replace("\\\\", "\\").replace('\\"', '"')
-        return value