# Ready2Blob handles cloud credentials in the browser and sends them nowhere.
# These headers keep it that way: no framing, no external origins, no referrer leakage.
#
# Included per-location as well as at server level on purpose: an `add_header` inside
# a location block REPLACES every header inherited from the parent, so any location
# that sets its own Cache-Control must re-include this file.
add_header X-Content-Type-Options "nosniff" always;
add_header X-Frame-Options        "DENY" always;
add_header Referrer-Policy        "no-referrer" always;
add_header Permissions-Policy     "geolocation=(), camera=(), microphone=(), usb=()" always;

# script-src keeps 'unsafe-inline' for the theme/FOUC bootstrap in index.html.
# To tighten it: build once, read the emitted inline <script> from dist/index.html,
# and swap 'unsafe-inline' for its 'sha256-...' hash.
add_header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; img-src 'self' data:; font-src 'self'; connect-src 'self'; form-action 'none'; frame-ancestors 'none'; base-uri 'self'; object-src 'none'" always;