Rewrite response headers

Fixes #2018 and #2153
This commit is contained in:
Samantaz Fox 2021-06-17 19:45:20 +02:00
parent 31466785ad
commit 42d9fd9c88

View file

@ -174,15 +174,44 @@ before_all do |env|
env.set "preferences", preferences
env.response.headers["X-XSS-Protection"] = "1; mode=block"
env.response.headers["X-Content-Type-Options"] = "nosniff"
extra_media_csp = ""
# Allow media ressources to be loaded from google servers
# TODO: check if *.youtube.com can be removed
if CONFIG.disabled?("local") || !preferences.local
extra_media_csp += " https://*.googlevideo.com:443"
extra_media_csp += " https://*.youtube.com:443"
extra_media_csp = " https://*.googlevideo.com:443 https://*.youtube.com:443"
else
extra_media_csp = ""
end
# TODO: Remove style-src's 'unsafe-inline', requires to remove all inline styles (<style> [..] </style>, style=" [..] ")
env.response.headers["Content-Security-Policy"] = "default-src 'none'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data:; font-src 'self' data:; connect-src 'self'; manifest-src 'self'; media-src 'self' blob:#{extra_media_csp}; child-src blob:"
# Only allow the pages at /embed/* to be embedded
if env.request.resource.starts_with?("/embed")
frame_ancestors = "'self' http: https:"
else
frame_ancestors = "none"
end
# TODO: Remove style-src's 'unsafe-inline', requires to remove all
# inline styles (<style> [..] </style>, style=" [..] ")
env.response.headers["Content-Security-Policy"] = {
"default-src 'none'",
"script-src 'self'",
"style-src 'self' 'unsafe-inline'",
"img-src 'self' data:",
"font-src 'self' data:",
"connect-src 'self'",
"manifest-src 'self'",
"media-src 'self' blob:" + extra_media_csp,
"child-src 'self' blob:",
"frame-src 'self'",
"frame-ancestors " + frame_ancestors,
}.join("; ")
env.response.headers["Referrer-Policy"] = "same-origin"
# Ask the chrom*-based browsers to disable FLoC
# See: https://blog.runcloud.io/google-floc/
env.response.headers["Permissions-Policy"] = "interest-cohort=()"
if (Kemal.config.ssl || CONFIG.https_only) && CONFIG.hsts
env.response.headers["Strict-Transport-Security"] = "max-age=31536000; includeSubDomains; preload"
end