Merge pull request #1838 from RinZ27/fix-nginx-header-inheritance

Ensure security headers are preserved in /files location
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RocketQuack 2026-03-18 10:04:26 +01:00 committed by GitHub
commit 3ce80020b7
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6 changed files with 64 additions and 21 deletions

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@ -63,6 +63,7 @@ RUN useradd -ms /bin/bash frappe \
# Clean up
&& rm -rf /var/lib/apt/lists/* \
&& rm -fr /etc/nginx/sites-enabled/default \
&& mkdir -p /etc/nginx/snippets \
&& pip3 install frappe-bench \
# Fixes for non-root nginx and logs to stdout
&& sed -i '/user www-data/d' /etc/nginx/nginx.conf \
@ -70,12 +71,15 @@ RUN useradd -ms /bin/bash frappe \
&& touch /run/nginx.pid \
&& chown -R frappe:frappe /etc/nginx/conf.d \
&& chown -R frappe:frappe /etc/nginx/nginx.conf \
&& chown -R frappe:frappe /etc/nginx/snippets \
&& chown -R frappe:frappe /var/log/nginx \
&& chown -R frappe:frappe /var/lib/nginx \
&& chown -R frappe:frappe /run/nginx.pid \
&& chmod 755 /usr/local/bin/nginx-entrypoint.sh \
&& chmod 644 /templates/nginx/frappe.conf.template
COPY resources/core/nginx/security_headers.conf /etc/nginx/snippets/security_headers.conf
FROM base AS builder
RUN apt-get update \

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@ -60,6 +60,7 @@ RUN useradd -ms /bin/bash frappe \
# Clean up
&& rm -rf /var/lib/apt/lists/* \
&& rm -fr /etc/nginx/sites-enabled/default \
&& mkdir -p /etc/nginx/snippets \
&& pip3 install frappe-bench \
# Fixes for non-root nginx and logs to stdout
&& sed -i '/user www-data/d' /etc/nginx/nginx.conf \
@ -67,12 +68,14 @@ RUN useradd -ms /bin/bash frappe \
&& touch /run/nginx.pid \
&& chown -R frappe:frappe /etc/nginx/conf.d \
&& chown -R frappe:frappe /etc/nginx/nginx.conf \
&& chown -R frappe:frappe /etc/nginx/snippets \
&& chown -R frappe:frappe /var/log/nginx \
&& chown -R frappe:frappe /var/lib/nginx \
&& chown -R frappe:frappe /run/nginx.pid
COPY resources/core/nginx/nginx-template.conf /templates/nginx/frappe.conf.template
COPY resources/core/nginx/nginx-entrypoint.sh /usr/local/bin/nginx-entrypoint.sh
COPY resources/core/nginx/security_headers.conf /etc/nginx/snippets/security_headers.conf
FROM base AS build

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@ -21,11 +21,7 @@ server {
proxy_buffers 4 256k;
proxy_busy_buffers_size 256k;
add_header X-Frame-Options "SAMEORIGIN";
add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload";
add_header X-Content-Type-Options nosniff;
add_header X-XSS-Protection "1; mode=block";
add_header Referrer-Policy "same-origin, strict-origin-when-cross-origin";
include /etc/nginx/snippets/security_headers.conf;
set_real_ip_from ${UPSTREAM_REAL_IP_ADDRESS};
real_ip_header ${UPSTREAM_REAL_IP_HEADER};
@ -59,6 +55,7 @@ server {
rewrite ^(.+)\.html$ $1 permanent;
location ~ ^/files/.*.(htm|html|svg|xml) {
include /etc/nginx/snippets/security_headers.conf;
add_header Content-disposition "attachment";
try_files /${FRAPPE_SITE_NAME_HEADER}/public/$uri @webserver;
}

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@ -0,0 +1,5 @@
add_header X-Frame-Options "SAMEORIGIN" always;
add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload" always;
add_header X-Content-Type-Options nosniff always;
add_header X-XSS-Protection "1; mode=block" always;
add_header Referrer-Policy "same-origin, strict-origin-when-cross-origin" always;

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@ -5,7 +5,7 @@ from typing import Any
import pytest
from tests.conftest import S3ServiceResult
from tests.utils import Compose, check_url_content
from tests.utils import Compose, check_url_content, wait_for_url
BACKEND_SERVICES = (
"backend",
@ -81,6 +81,30 @@ def test_files_reachable(frappe_site: str, tmp_path: Path, compose: Compose):
)
def test_files_html_security_headers(
frappe_site: str, tmp_path: Path, compose: Compose
):
file_path = tmp_path / "testfile.html"
file_path.write_text(
"<html><body>This is a Frappe Docker test html file</body></html>"
)
compose(
"cp",
str(file_path),
f"backend:/home/frappe/frappe-bench/sites/{frappe_site}/public/files/",
)
response = wait_for_url(
url=f"http://127.0.0.1/files/{file_path.name}",
site_name=frappe_site,
)
assert response.headers["Content-Disposition"] == "attachment"
assert response.headers["X-Frame-Options"] == "SAMEORIGIN"
assert response.headers["X-Content-Type-Options"] == "nosniff"
@pytest.mark.parametrize("service", BACKEND_SERVICES)
@pytest.mark.usefixtures("frappe_site")
def test_frappe_connections_in_backends(

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@ -4,6 +4,7 @@ import subprocess
import sys
import time
from contextlib import suppress
from http.client import HTTPResponse
from typing import Callable, Optional
from urllib.error import HTTPError, URLError
from urllib.request import Request, urlopen
@ -59,24 +60,11 @@ class Compose:
def check_url_content(
url: str, callback: Callable[[str], Optional[str]], site_name: str
):
request = Request(url, headers={"Host": site_name})
# This is needed to check https override
ctx = ssl.create_default_context()
ctx.check_hostname = False
ctx.verify_mode = ssl.CERT_NONE
for _ in range(100):
try:
response = urlopen(request, context=ctx)
except HTTPError as exc:
if exc.code not in (404, 502):
raise
except URLError:
response = wait_for_url(url=url, site_name=site_name, attempts=1)
except RuntimeError:
pass
else:
text: str = response.read().decode()
ret = callback(text)
@ -86,4 +74,26 @@ def check_url_content(
time.sleep(0.1)
raise RuntimeError(f"Couldn't verify expected content from {url}")
def wait_for_url(url: str, site_name: str, attempts: int = 100) -> HTTPResponse:
request = Request(url, headers={"Host": site_name})
# This is needed to check https override
ctx = ssl.create_default_context()
ctx.check_hostname = False
ctx.verify_mode = ssl.CERT_NONE
for _ in range(attempts):
try:
return urlopen(request, context=ctx)
except HTTPError as exc:
if exc.code not in (404, 502):
raise
except URLError:
pass
time.sleep(0.1)
raise RuntimeError(f"Couldn't ping {url}")