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Merged
CodeWithMa merged 1 commit into from
Sep 5, 2026
Merged

feat: add CSP and security headers for web deployments #127

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1 change: 1 addition & 0 deletions Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ RUN bun run build

FROM nginx:alpine-slim AS prod

COPY nginx.conf /etc/nginx/conf.d/default.conf
COPY --from=builder /app/builder/dist/watch-list/browser /usr/share/nginx/html

EXPOSE 80
8 changes: 8 additions & 0 deletions angular.json
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Expand Up @@ -39,6 +39,14 @@
},
"configurations": {
"production": {
"optimization": {
"scripts": true,
"styles": {
"minify": true,
"inlineCritical": false
},
"fonts": true
},
"budgets": [
{
"type": "initial",
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31 changes: 31 additions & 0 deletions nginx.conf
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@@ -0,0 +1,31 @@
# Production server for the Docker image (copied to
# /etc/nginx/conf.d/default.conf in the Dockerfile).
#
# The Content-Security-Policy here must stay in sync with the <meta> fallback
# in src/index.html (GitHub Pages cannot send custom HTTP headers, so the meta
# tag is its only enforcement). If the inline theme script in index.html
# changes, recompute its sha256 and update script-src in both places.
#
# Policy notes:
# - img-src allows blob:/data:/https: (IndexedDB posters via object URLs,
# inline SVG placeholder, TMDB/MyAnimeList/AniList CDN posters).
# - connect-src enumerates the API + image origins the app fetches from
# (poster save uses fetch() on image CDN URLs, so those need connect-src).
# - style-src 'unsafe-inline' is required: Angular injects component styles
# at runtime. No external stylesheets are used.
server {
listen 80;
server_name _;

root /usr/share/nginx/html;
index index.html;

add_header Content-Security-Policy "default-src 'self'; base-uri 'self'; form-action 'self'; object-src 'none'; frame-ancestors 'none'; script-src 'self' 'sha256-MEU5LmGgErYBNZ8qIkvEKZWSLfoRWEtbAbW+YA5ToCE='; style-src 'self' 'unsafe-inline'; img-src 'self' blob: data: https:; connect-src 'self' https://api.themoviedb.org https://api.jikan.moe https://graphql.anilist.co https://image.tmdb.org https://cdn.myanimelist.net https://s4.anilist.co; font-src 'self' data:; manifest-src 'self'; worker-src 'self'" always;
add_header X-Content-Type-Options "nosniff" always;
add_header X-Frame-Options "DENY" always;
add_header Referrer-Policy "no-referrer" always;

location / {
try_files $uri $uri/ /index.html;
}
}
9 changes: 9 additions & 0 deletions src/index.html
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Expand Up @@ -2,6 +2,15 @@
<html lang="en">
<head>
<meta charset="utf-8" />
<!-- Security headers fallback for hosts that cannot send HTTP headers (e.g. GitHub Pages).
The Docker/nginx image sends this same policy plus nosniff/DENY/no-referrer as real
headers (see nginx.conf). If the inline theme script below changes, recompute its sha256
and update script-src here and in nginx.conf. -->
<meta
http-equiv="Content-Security-Policy"
content="default-src 'self'; base-uri 'self'; form-action 'self'; object-src 'none'; frame-ancestors 'none'; script-src 'self' 'sha256-MEU5LmGgErYBNZ8qIkvEKZWSLfoRWEtbAbW+YA5ToCE='; style-src 'self' 'unsafe-inline'; img-src 'self' blob: data: https:; connect-src 'self' https://api.themoviedb.org https://api.jikan.moe https://graphql.anilist.co https://image.tmdb.org https://cdn.myanimelist.net https://s4.anilist.co; font-src 'self' data:; manifest-src 'self'; worker-src 'self'"
/>
<meta name="referrer" content="no-referrer" />
<title>WatchList</title>
<base href="/" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
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