32 lines
1.2 KiB
Nginx Configuration File
32 lines
1.2 KiB
Nginx Configuration File
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# Static server for the web UI (web/).
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#
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# The page decodes and analyses audio inside the visitor's browser. The CSP's
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# `connect-src 'none'` forbids the page and its worker from making any network
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# request (fetch, XHR, WebSocket, beacon), so dropped audio has no way to leave
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# the tab — enforced by the browser, not just promised by the code.
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server {
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listen 8080;
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server_name _;
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root /usr/share/nginx/html;
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index index.html;
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# Nothing the app does reaches the server beyond fetching these files, and
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# there is no reason to keep a record of who fetched them.
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access_log off;
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server_tokens off;
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gzip on;
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gzip_types text/css application/javascript;
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add_header Content-Security-Policy "default-src 'none'; script-src 'self'; worker-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob:; connect-src 'none'; media-src 'none'; object-src 'none'; base-uri 'none'; form-action 'none'; frame-ancestors 'none'" always;
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add_header Referrer-Policy "no-referrer" always;
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add_header X-Content-Type-Options "nosniff" always;
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# Revalidate on every load so an update isn't stuck behind a proxy cache.
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add_header Cache-Control "no-cache" always;
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location / {
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try_files $uri $uri/ =404;
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}
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}
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